/* roulang page: index */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--secondary);
            line-height: 1.3;
            font-weight: 600;
        }
        h1 {
            font-size: 36px;
            font-weight: 700;
        }
        h2 {
            font-size: 28px;
        }
        h3 {
            font-size: 22px;
        }
        h4 {
            font-size: 18px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }
        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }
        .btn-outline-light:hover {
            background: #fff;
            color: var(--secondary);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }
        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }
        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
        }
        .side-nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .side-nav-brand a {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
        }
        .side-nav-brand .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }
        .side-nav-list {
            list-style: none;
            padding: 16px 0;
            flex: 1;
        }
        .side-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 24px;
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 15px;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
        }
        .side-nav-list li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }
        .side-nav-list li a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border-left-color: var(--primary);
            font-weight: 600;
        }
        .side-nav-footer {
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 12px;
            color: var(--text-on-dark);
            line-height: 1.6;
        }
        .side-nav-footer .nav-social {
            display: flex;
            gap: 12px;
            margin-bottom: 8px;
        }
        .side-nav-footer .nav-social a {
            color: var(--text-on-dark);
            font-size: 16px;
            transition: color var(--transition);
        }
        .side-nav-footer .nav-social a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶栏 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--secondary);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
        }
        .mobile-header .mobile-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-header .mobile-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: #fff;
        }
        .hamburger {
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            display: flex;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--secondary);
            z-index: 998;
            flex-direction: column;
            padding: 80px 24px 40px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.open {
            display: flex;
        }
        .mobile-nav-overlay ul {
            list-style: none;
            flex: 1;
        }
        .mobile-nav-overlay ul li a {
            display: block;
            padding: 14px 0;
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            text-decoration: none;
            transition: color var(--transition);
        }
        .mobile-nav-overlay ul li a:hover,
        .mobile-nav-overlay ul li a.active {
            color: #fff;
            text-decoration: none;
        }
        .mobile-nav-overlay .mobile-nav-footer {
            color: var(--text-on-dark);
            font-size: 13px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        /* Hero */
        .hero-section {
            background: var(--secondary);
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 42, 53, 0.85) 0%, rgba(31, 42, 53, 0.6) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-text h1 {
            color: #fff;
            font-size: 40px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            line-height: 1.25;
        }
        .hero-text .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-demo-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            width: 100%;
            max-width: 420px;
        }
        .hero-demo-card .demo-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 20px;
        }
        .hero-demo-card .demo-stat {
            text-align: center;
            padding: 16px 10px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
        }
        .hero-demo-card .demo-stat .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }
        .hero-demo-card .demo-stat .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .hero-demo-card .demo-progress {
            height: 6px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 3px;
            margin-bottom: 8px;
            overflow: hidden;
        }
        .hero-demo-card .demo-progress-fill {
            height: 100%;
            background: var(--primary);
            border-radius: 3px;
            width: 72%;
            transition: width 1s ease;
        }
        .hero-demo-card .demo-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            text-align: right;
        }

        /* 通用板块 */
        section {
            padding: var(--section-gap) 0;
        }
        section.bg-light {
            background: var(--bg-light);
        }
        section.bg-dark {
            background: var(--secondary);
            color: #fff;
        }
        section.bg-dark h2,
        section.bg-dark h3 {
            color: #fff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header .section-desc {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
            font-size: 15px;
            line-height: 1.7;
        }
        section.bg-dark .section-desc {
            color: var(--text-on-dark);
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(232, 83, 63, 0.2);
        }
        .metric-card .metric-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }
        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 倒计时 */
        .countdown-section {
            background: linear-gradient(135deg, #E8533F 0%, #C74535 100%);
            color: #fff;
            text-align: center;
            padding: 48px 0;
        }
        .countdown-section .countdown-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .countdown-section .countdown-subtitle {
            font-size: 15px;
            opacity: 0.9;
            margin-bottom: 24px;
        }
        .countdown-timer {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            min-width: 70px;
            text-align: center;
        }
        .countdown-item .countdown-val {
            font-size: 36px;
            font-weight: 700;
            line-height: 1;
        }
        .countdown-item .countdown-unit {
            font-size: 12px;
            opacity: 0.8;
            margin-top: 4px;
        }

        /* 活动亮点墙 */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .highlight-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .highlight-card .highlight-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .highlight-card .highlight-img .highlight-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        .highlight-card .highlight-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .highlight-card .highlight-body h3 {
            margin-bottom: 8px;
            font-size: 18px;
        }
        .highlight-card .highlight-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .highlight-card .highlight-body .highlight-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .highlight-card .highlight-body .highlight-link:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* 服务矩阵 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 83, 63, 0.25);
        }
        .service-card .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(232, 83, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--primary);
        }
        .service-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .service-card .service-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
        }
        .service-card .service-link:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* 票种对比/会员等级 */
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .plan-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 2px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            text-align: center;
            position: relative;
        }
        .plan-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 1;
        }
        .plan-card.featured .plan-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
        }
        .plan-card h3 {
            font-size: 20px;
            margin-bottom: 6px;
        }
        .plan-card .plan-price {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            margin: 12px 0;
        }
        .plan-card .plan-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-light);
        }
        .plan-card .plan-features {
            list-style: none;
            text-align: left;
            flex: 1;
            margin-bottom: 20px;
        }
        .plan-card .plan-features li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-light);
            border-bottom: 1px solid var(--bg-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .plan-card .plan-features li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
        }
        .plan-card .btn {
            width: 100%;
        }

        /* 结果对比 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .compare-panel {
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            position: relative;
        }
        .compare-panel.before {
            background: #FFF5F4;
            border: 1px solid rgba(232, 83, 63, 0.2);
        }
        .compare-panel.after {
            background: #F0FAF8;
            border: 1px solid rgba(15, 155, 142, 0.2);
        }
        .compare-panel .compare-label {
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
        }
        .compare-panel.before .compare-label {
            background: rgba(232, 83, 63, 0.12);
            color: var(--primary);
        }
        .compare-panel.after .compare-label {
            background: rgba(15, 155, 142, 0.12);
            color: var(--accent);
        }
        .compare-panel h3 {
            margin-bottom: 12px;
        }
        .compare-panel ul {
            list-style: none;
            margin-bottom: 16px;
        }
        .compare-panel ul li {
            padding: 8px 0;
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .compare-panel.before ul li::before {
            content: '✕';
            color: #C74535;
            font-weight: 700;
            flex-shrink: 0;
        }
        .compare-panel.after ul li::before {
            content: '✓';
            color: #0F9B8E;
            font-weight: 700;
            flex-shrink: 0;
        }
        .compare-bar-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 16px;
        }
        .compare-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
        }
        .compare-bar-row .bar-label {
            width: 70px;
            flex-shrink: 0;
            text-align: right;
            font-weight: 500;
        }
        .compare-bar-row .bar-track {
            flex: 1;
            height: 8px;
            background: #e0e0e0;
            border-radius: 4px;
            overflow: hidden;
        }
        .compare-bar-row .bar-fill {
            height: 100%;
            border-radius: 4px;
            transition: width 1s ease;
        }
        .compare-panel.before .bar-fill {
            background: #E0A09A;
        }
        .compare-panel.after .bar-fill {
            background: #0F9B8E;
        }

        /* 品牌介绍 */
        .brand-intro-block {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            max-width: 900px;
            margin: 0 auto;
        }
        .brand-intro-block h2 {
            margin-bottom: 16px;
            text-align: center;
        }
        .brand-intro-block p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text);
            margin-bottom: 12px;
        }
        .brand-intro-block .brand-highlight {
            color: var(--primary);
            font-weight: 600;
        }

        /* 热门专题 */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .topic-tag {
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            background: var(--card-bg);
            border: 1px solid var(--border);
            color: var(--text);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            text-decoration: none;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .topic-tag.hot {
            background: rgba(232, 83, 63, 0.08);
            border-color: rgba(232, 83, 63, 0.3);
            color: var(--primary);
            font-weight: 600;
        }

        /* 新手入门 */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .step-card .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .step-card h3 {
            font-size: 16px;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 新闻中心 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid transparent;
            transition: all var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }
        .news-item .news-date {
            flex-shrink: 0;
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
            min-width: 90px;
            padding-top: 2px;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h3 {
            font-size: 17px;
            margin-bottom: 6px;
            transition: color var(--transition);
        }
        .news-item:hover .news-content h3 {
            color: var(--primary);
        }
        .news-item .news-content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-item .news-content .news-link {
            font-weight: 600;
            font-size: 13px;
            color: var(--accent);
        }
        .news-item .news-content .news-link:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* 奖励预览 */
        .rewards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .reward-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .reward-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 83, 63, 0.3);
        }
        .reward-card .reward-icon {
            font-size: 40px;
            margin-bottom: 12px;
        }
        .reward-card h3 {
            font-size: 16px;
            margin-bottom: 4px;
        }
        .reward-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }
        .reward-card .reward-value {
            display: inline-block;
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 13px;
            font-weight: 600;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition);
            color: var(--secondary);
        }
        .faq-item .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-item .faq-question .faq-arrow {
            font-size: 18px;
            transition: transform var(--transition);
            color: var(--text-light);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-item .faq-answer p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* CTA 报名 */
        .cta-banner {
            background: linear-gradient(135deg, #1F2A35 0%, #2D3A48 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            max-width: 900px;
            margin: 0 auto;
            box-shadow: var(--shadow-xl);
        }
        .cta-banner h2 {
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            font-size: 15px;
        }
        .cta-banner .btn {
            font-size: 17px;
            padding: 16px 36px;
        }

        /* 转化表单 */
        .form-section {
            background: var(--bg-light);
        }
        .form-wrapper {
            max-width: 650px;
            margin: 0 auto;
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .form-wrapper h2 {
            text-align: center;
            margin-bottom: 8px;
        }
        .form-wrapper .form-subtitle {
            text-align: center;
            color: var(--text-light);
            font-size: 14px;
            margin-bottom: 28px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 6px;
            color: var(--secondary);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-submit {
            width: 100%;
            padding: 16px;
            font-size: 17px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            cursor: pointer;
            border: none;
            transition: all var(--transition);
        }
        .form-submit:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-on-dark);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-on-dark);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-on-dark);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-on-dark);
        }
        .footer-bottom a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .side-nav {
                width: 200px;
            }
            :root {
                --nav-width: 200px;
            }
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 32px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plans-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plan-card.featured {
                transform: none;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .rewards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            :root {
                --nav-width: 0;
            }
            .hero-section {
                min-height: 400px;
            }
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-demo-card {
                max-width: 100%;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card .metric-num {
                font-size: 32px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .plans-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .plan-card.featured {
                transform: none;
            }
            .steps-list {
                grid-template-columns: 1fr 1fr;
            }
            .rewards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-banner {
                padding: 32px 20px;
            }
            .form-wrapper {
                padding: 28px 20px;
            }
            .countdown-item {
                min-width: 55px;
                padding: 12px 14px;
            }
            .countdown-item .countdown-val {
                font-size: 26px;
            }
            h1 {
                font-size: 24px;
            }
            h2 {
                font-size: 20px;
            }
            h3 {
                font-size: 18px;
            }
            .btn {
                padding: 12px 22px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 26px;
                font-size: 16px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                grid-template-columns: 1fr;
            }
            .rewards-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta-group .btn {
                width: 100%;
                text-align: center;
            }
            .countdown-timer {
                gap: 8px;
            }
            .countdown-item {
                min-width: 50px;
                padding: 10px 12px;
            }
            .countdown-item .countdown-val {
                font-size: 22px;
            }
            .brand-intro-block {
                padding: 24px 18px;
            }
            .compare-panel {
                padding: 20px 16px;
            }
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-item .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }

        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--secondary);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
            flex-shrink: 0;
        }

        .side-nav-brand {
            padding: 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .side-nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .side-nav-brand a:hover {
            color: #fff;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 0;
            flex: 1;
        }

        .side-nav-list li {
            margin: 0;
        }

        .side-nav-list a {
            display: block;
            padding: 13px 24px;
            color: #B0B5BA;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
        }

        .side-nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }

        .side-nav-list a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.12);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .side-nav-footer {
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #8A9098;
            font-size: 13px;
            line-height: 1.6;
        }

        .nav-social {
            display: flex;
            gap: 12px;
            margin-bottom: 10px;
        }

        .nav-social a {
            color: #8A9098;
            font-size: 16px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .nav-social a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-width: 0;
            background: var(--bg);
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            list-style: none;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: #C0BAB2;
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Hero - 优惠券墙/报告墙 */
        .hero-section {
            background: var(--secondary);
            padding: 60px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 83, 63, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(15, 155, 142, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
        }

        .hero-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .hero-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .hero-header .hero-subtitle {
            font-size: 17px;
            color: #B0B5BA;
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* 报告卡片墙 */
        .report-wall {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            padding: 0 20px;
        }

        .report-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            width: 260px;
            box-shadow: var(--shadow-md);
            transition: all 0.35s ease;
            position: relative;
            cursor: pointer;
            border: 2px solid transparent;
            text-align: center;
        }

        .report-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent);
        }

        .report-card-featured {
            width: 320px;
            padding: 36px 28px;
            border: 3px solid var(--primary);
            box-shadow: var(--shadow-xl), 0 0 40px rgba(232, 83, 63, 0.2);
            position: relative;
            z-index: 2;
            transform: scale(1.04);
        }

        .report-card-featured:hover {
            transform: scale(1.05) translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-xl), 0 0 56px rgba(232, 83, 63, 0.28);
        }

        .report-card-featured .featured-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 20px;
            letter-spacing: 1px;
            white-space: nowrap;
            z-index: 3;
        }

        .report-card-img {
            width: 80px;
            height: 80px;
            margin: 0 auto 16px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .report-card-featured .report-card-img {
            width: 100px;
            height: 100px;
        }

        .report-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .report-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .report-card-featured h3 {
            font-size: 20px;
        }

        .report-card .report-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .report-card .report-meta {
            font-size: 12px;
            color: #A0A5AA;
            margin-bottom: 14px;
        }

        .report-card .btn {
            width: 100%;
            justify-content: center;
        }

        .hero-cta-row {
            text-align: center;
            margin-top: 36px;
        }

        .hero-cta-row .btn {
            margin: 0 8px;
        }

        /* 板块通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: var(--secondary);
            color: #fff;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 720px;
            line-height: 1.7;
        }

        .section-dark .section-header .section-desc {
            color: var(--text-on-dark);
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .metric-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .metric-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 服务矩阵 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .service-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 24px;
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .service-card .service-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .service-card .service-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .service-card .service-link:hover {
            color: var(--primary);
            text-decoration: none;
            gap: 8px;
        }

        .service-card .service-link::after {
            content: '→';
            transition: transform var(--transition);
        }

        .service-card .service-link:hover::after {
            transform: translateX(3px);
        }

        /* 适用场景 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(232, 83, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            flex-shrink: 0;
        }

        .scenario-info h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .scenario-info p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* 结果对比 */
        .compare-wrapper {
            display: grid;
            grid-template-columns: 1fr 60px 1fr;
            gap: 0;
            align-items: stretch;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .compare-col {
            padding: 36px 28px;
        }

        .compare-col-before {
            background: #FFF5F4;
            border-right: 1px solid #FDE8E5;
        }

        .compare-col-after {
            background: #F2FAF9;
            border-left: 1px solid #D5F0ED;
        }

        .compare-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            font-size: 28px;
            color: var(--accent);
            font-weight: 700;
            position: relative;
            z-index: 1;
        }

        .compare-col h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            text-align: center;
        }

        .compare-col-before h3 {
            color: #C0392B;
        }

        .compare-col-after h3 {
            color: var(--accent);
        }

        .compare-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            padding: 10px 14px;
            background: #fff;
            border-radius: var(--radius-sm);
            font-size: 14px;
            line-height: 1.5;
        }

        .compare-item .compare-icon {
            font-size: 18px;
            flex-shrink: 0;
        }

        .compare-bar-group {
            margin-top: 20px;
        }

        .compare-bar-label {
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .compare-bar {
            height: 10px;
            border-radius: 5px;
            background: #E0DCD5;
            overflow: hidden;
            margin-bottom: 4px;
        }

        .compare-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 1s ease;
        }

        .compare-bar-fill.low {
            width: 28%;
            background: #E0A8A0;
        }

        .compare-bar-fill.high {
            width: 86%;
            background: var(--accent);
        }

        .compare-bar-val {
            font-size: 12px;
            color: var(--text-light);
            text-align: right;
        }

        /* 流程 */
        .process-steps {
            display: flex;
            gap: 0;
            align-items: flex-start;
            flex-wrap: wrap;
            justify-content: center;
        }

        .process-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            position: relative;
            padding: 0 16px;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 32px;
            right: -8px;
            width: 40px;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        .process-step:last-child::after {
            display: none;
        }

        .step-number {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            color: var(--primary);
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 1;
            transition: all var(--transition);
        }

        .process-step:hover .step-number {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 0 10px rgba(232, 83, 63, 0.1);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 20px 0;
            font-size: 17px;
            font-weight: 600;
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            cursor: pointer;
            border: none;
            transition: color var(--transition);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all var(--transition);
            color: var(--text-light);
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 0 20px 0;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            background: var(--bg-light);
            padding: 16px 20px;
            border-radius: var(--radius-md);
        }

        /* CTA 表单 */
        .cta-section {
            background: linear-gradient(135deg, #1F2A35 0%, #2A3745 100%);
            padding: 60px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 83, 63, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
            transform: translate(120px, -120px);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-info p {
            font-size: 16px;
            color: var(--text-on-dark);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .cta-benefits {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: #C8CDD3;
        }

        .cta-benefits li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            color: var(--text);
            box-shadow: var(--shadow-xl);
        }

        .cta-form h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 20px;
            text-align: center;
        }

        .cta-form .form-group {
            margin-bottom: 16px;
        }

        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 90px;
        }

        .cta-form .btn {
            width: 100%;
            margin-top: 8px;
        }

        .form-note {
            text-align: center;
            font-size: 12px;
            color: var(--text-light);
            margin-top: 12px;
        }

        /* 深度内容区域 */
        .deep-content {
            background: #fff;
            padding: 60px 0;
        }

        .deep-content .content-block {
            max-width: 800px;
            margin: 0 auto;
        }

        .deep-content h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .deep-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            margin-bottom: 20px;
        }

        .deep-content .highlight-box {
            background: var(--bg-light);
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 24px 0;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
        }

        /* 页脚 */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 0;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col p {
            color: var(--text-on-dark);
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            color: var(--text-on-dark);
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #8A9098;
            line-height: 2;
        }

        .footer-links {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #B0B5BA;
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-links span {
            color: #555;
            margin: 0 8px;
        }

        .footer-bottom p {
            margin: 2px 0;
            color: #8A9098;
        }

        /* 移动端汉堡菜单 */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 14px;
            left: 14px;
            z-index: 1100;
            background: var(--secondary);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            font-size: 22px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            box-shadow: var(--shadow-md);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1050;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .compare-wrapper {
                grid-template-columns: 1fr 40px 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .report-card {
                width: 220px;
                padding: 20px 16px;
            }
            .report-card-featured {
                width: 270px;
                padding: 28px 20px;
            }
            .process-steps {
                gap: 20px;
            }
            .process-step::after {
                display: none;
            }
            .process-step {
                flex: 0 0 calc(50% - 20px);
                min-width: 140px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0;
            }
            .side-nav {
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                width: 260px;
                z-index: 1060;
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .mobile-overlay.active {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .hero-header h1 {
                font-size: 26px;
            }
            .report-wall {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
            .report-card {
                width: 100%;
                max-width: 360px;
            }
            .report-card-featured {
                width: 100%;
                max-width: 380px;
                transform: scale(1);
            }
            .report-card-featured:hover {
                transform: scale(1.01) translateY(-3px);
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-number {
                font-size: 32px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .compare-wrapper {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .compare-divider {
                padding: 12px;
                font-size: 22px;
                transform: rotate(90deg);
            }
            .compare-col {
                padding: 24px 18px;
            }
            .process-step {
                flex: 0 0 100%;
                min-width: auto;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                padding: 24px 18px;
            }
            .breadcrumb {
                font-size: 13px;
            }
            .deep-content {
                padding: 40px 0;
            }
            .deep-content h3 {
                font-size: 19px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-number {
                font-size: 28px;
            }
            .hero-header h1 {
                font-size: 22px;
            }
            .hero-header .hero-subtitle {
                font-size: 15px;
            }
            .report-card {
                max-width: 100%;
            }
            .report-card-featured {
                max-width: 100%;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .cta-info h2 {
                font-size: 22px;
            }
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }

        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--secondary);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .btn-xl {
            padding: 18px 40px;
            font-size: 20px;
            border-radius: var(--radius-lg);
            letter-spacing: 1px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .tag-hot {
            background: rgba(232, 83, 63, 0.15);
            color: #D43D2A;
            font-weight: 700;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.12);
        }

        .side-nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .side-nav-brand a {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .side-nav-brand a:hover {
            color: #fff;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 0;
            flex: 1;
        }

        .side-nav-list li {
            margin: 0;
        }

        .side-nav-list a {
            display: block;
            padding: 12px 24px;
            color: var(--text-on-dark);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
            letter-spacing: 0.5px;
        }

        .side-nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }

        .side-nav-list a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.12);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .side-nav-footer {
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: var(--text-on-dark);
        }

        .nav-social {
            display: flex;
            gap: 12px;
            margin-bottom: 10px;
        }

        .nav-social a {
            color: var(--text-on-dark);
            font-size: 16px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .nav-social a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--secondary);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .mobile-logo a {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .mobile-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
        }

        .hamburger-btn {
            background: none;
            border: none;
            color: #fff;
            font-size: 26px;
            cursor: pointer;
            padding: 4px 8px;
            line-height: 1;
            transition: color var(--transition);
        }

        .hamburger-btn:hover {
            color: var(--primary);
        }

        /* 移动端全屏菜单 */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--secondary);
            z-index: 998;
            flex-direction: column;
            padding: 80px 24px 40px;
            overflow-y: auto;
        }

        .mobile-menu-overlay.open {
            display: flex;
        }

        .mobile-menu-overlay ul {
            list-style: none;
            flex: 1;
        }

        .mobile-menu-overlay ul li {
            margin: 4px 0;
        }

        .mobile-menu-overlay ul a {
            display: block;
            padding: 14px 16px;
            color: #fff;
            font-size: 17px;
            font-weight: 500;
            text-decoration: none;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            letter-spacing: 0.5px;
        }

        .mobile-menu-overlay ul a:hover,
        .mobile-menu-overlay ul a.active {
            background: rgba(232, 83, 63, 0.2);
            color: #fff;
            text-decoration: none;
        }

        .mobile-menu-overlay ul a.active {
            border-left: 3px solid var(--primary);
        }

        .mobile-menu-footer {
            color: var(--text-on-dark);
            font-size: 13px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }

        /* Hero - 优惠券墙 */
        .hero-coupon-wall {
            position: relative;
            background: var(--secondary);
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            padding: 60px 24px;
        }

        .hero-coupon-wall .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            pointer-events: none;
        }

        .hero-coupon-wall .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 42, 53, 0.85) 0%, rgba(31, 42, 53, 0.7) 100%);
            pointer-events: none;
        }

        .coupon-wall-container {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 24px;
            max-width: 1100px;
            width: 100%;
        }

        .coupon-main-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-xl);
            position: relative;
            z-index: 3;
            max-width: 440px;
            width: 100%;
            flex-shrink: 0;
            border: 3px dashed var(--primary);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .coupon-main-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
        }

        .coupon-main-card .coupon-badge {
            position: absolute;
            top: -16px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            padding: 8px 20px;
            border-radius: 20px;
            letter-spacing: 1px;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(232, 83, 63, 0.4);
        }

        .coupon-main-card .coupon-icon {
            font-size: 52px;
            margin-bottom: 8px;
            display: block;
        }

        .coupon-main-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .coupon-main-card .coupon-value {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            margin: 8px 0;
            letter-spacing: -1px;
        }

        .coupon-main-card .coupon-desc {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .coupon-mini-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            max-width: 500px;
        }

        .coupon-mini-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-md);
            width: 130px;
            flex-shrink: 0;
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            border: 2px dashed rgba(232, 83, 63, 0.3);
        }

        .coupon-mini-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .coupon-mini-card .mini-icon {
            font-size: 28px;
            display: block;
            margin-bottom: 6px;
        }

        .coupon-mini-card .mini-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .coupon-mini-card .mini-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }

        /* 面包屑 */
        .breadcrumb-section {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* 分类标题区 */
        .category-header {
            background: #fff;
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border);
        }

        .category-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .category-header .category-subtitle {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 700px;
        }

        /* 主内容区布局 */
        .content-layout {
            display: flex;
            gap: 32px;
            padding: 40px 0;
            align-items: flex-start;
        }

        .content-main {
            flex: 1;
            min-width: 0;
        }

        .content-sidebar {
            width: 300px;
            flex-shrink: 0;
            position: sticky;
            top: 24px;
        }

        /* 工具卡片网格 */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .tool-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }

        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .tool-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .tool-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .tool-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .tool-card-body .tool-date {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .tool-card-body .tool-summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .tool-card-body .tool-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .tool-card-body .btn-sm {
            align-self: flex-start;
        }

        /* 侧边栏 */
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--bg-light);
            letter-spacing: 0.5px;
        }

        .sidebar-card ul {
            list-style: none;
        }

        .sidebar-card ul li {
            margin: 0;
            border-bottom: 1px solid var(--bg-light);
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul a {
            display: block;
            padding: 10px 0;
            color: var(--text);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition), padding-left var(--transition);
            line-height: 1.5;
        }

        .sidebar-card ul a:hover {
            color: var(--primary);
            padding-left: 6px;
            text-decoration: none;
        }

        .sidebar-card ul a.active-sidebar {
            color: var(--primary);
            font-weight: 600;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            cursor: pointer;
            transition: all var(--transition);
        }

        .tag-cloud .tag:hover {
            background: rgba(232, 83, 63, 0.2);
            color: var(--primary);
        }

        /* 分页 */
        .pagination-section {
            padding: 20px 0 40px;
            display: flex;
            justify-content: center;
        }

        .pagination {
            display: flex;
            gap: 6px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
        }

        .pagination .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            background: #fff;
            color: var(--text);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .pagination .page-btn:hover {
            background: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }

        .pagination .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* 深度内容区 */
        .deep-content-section {
            background: #fff;
            padding: 60px 0;
            border-top: 1px solid var(--border);
        }

        .deep-content-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 20px;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .deep-content-section .deep-text {
            max-width: 800px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 2;
            color: var(--text);
            text-align: justify;
        }

        .deep-content-section .deep-text p {
            margin-bottom: 16px;
        }

        /* FAQ */
        .faq-section {
            padding: 60px 0;
            background: var(--bg);
        }

        .faq-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--secondary);
            text-align: center;
            margin-bottom: 36px;
            letter-spacing: 0.5px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question .faq-arrow {
            font-size: 20px;
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--primary);
            font-weight: 700;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* CTA 区域 */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, #E8533F 0%, #C74535 100%);
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cta-section p {
            font-size: 16px;
            margin-bottom: 28px;
            opacity: 0.9;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            font-size: 18px;
            padding: 16px 36px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            border-radius: var(--radius-lg);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .cta-section .btn:hover {
            background: #fff;
            color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
        }

        /* 页脚 */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 50px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 8px;
            color: var(--text-on-dark);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            color: var(--text-on-dark);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            text-align: center;
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-on-dark);
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        .footer-links {
            margin-bottom: 12px;
            display: flex;
            justify-content: center;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-on-dark);
            font-size: 13px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
            user-select: none;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .content-sidebar {
                width: 260px;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .coupon-main-card {
                max-width: 380px;
                padding: 30px 24px;
            }
            .coupon-mini-card {
                width: 110px;
                padding: 16px 12px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .hero-coupon-wall {
                min-height: auto;
                padding: 40px 16px;
            }
            .coupon-wall-container {
                flex-direction: column;
                gap: 16px;
            }
            .coupon-main-card {
                max-width: 100%;
                padding: 28px 20px;
            }
            .coupon-main-card h3 {
                font-size: 20px;
            }
            .coupon-main-card .coupon-value {
                font-size: 32px;
            }
            .coupon-mini-cards {
                flex-direction: row;
                flex-wrap: wrap;
                max-width: 100%;
                gap: 10px;
                justify-content: center;
            }
            .coupon-mini-card {
                width: calc(33.33% - 10px);
                min-width: 90px;
                padding: 14px 10px;
            }
            .content-layout {
                flex-direction: column;
                padding: 24px 0;
            }
            .content-sidebar {
                width: 100%;
                position: static;
                order: 1;
            }
            .content-main {
                order: 2;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .deep-content-section {
                padding: 40px 0;
            }
            .deep-content-section h2 {
                font-size: 22px;
            }
            .faq-section h2 {
                font-size: 22px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .section-label {
                font-size: 12px;
            }
            .pagination .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .coupon-mini-card {
                width: calc(50% - 8px);
                min-width: 70px;
                padding: 12px 8px;
            }
            .coupon-mini-card .mini-title {
                font-size: 11px;
            }
            .coupon-mini-card .mini-value {
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .tool-card-img {
                height: 160px;
            }
            .tools-grid {
                gap: 14px;
            }
            .deep-content-section .deep-text {
                font-size: 15px;
                line-height: 1.8;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }

        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--secondary);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease;
        }

        .side-nav-brand {
            padding: 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .side-nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .side-nav-brand a:hover {
            color: #fff;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 900;
            font-size: 16px;
            flex-shrink: 0;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 0;
            flex: 1;
        }

        .side-nav-list li {
            margin: 0;
        }

        .side-nav-list a {
            display: block;
            padding: 14px 20px;
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
        }

        .side-nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }

        .side-nav-list a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.15);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .side-nav-footer {
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: var(--text-on-dark);
        }

        .nav-social {
            display: flex;
            gap: 12px;
            margin-bottom: 10px;
        }

        .nav-social a {
            color: var(--text-on-dark);
            font-size: 18px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .nav-social a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--secondary);
            z-index: 1001;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            text-decoration: none;
        }

        .mobile-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            margin-left: auto;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1002;
        }

        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .nav-overlay.active {
            opacity: 1;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--nav-width));
        }

        /* 面包屑 */
        .breadcrumb-nav {
            padding: 16px 0;
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-light);
            text-decoration: none;
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb-nav .separator {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #1F2A35 0%, #2A3848 40%, #1F2A35 100%);
            color: #fff;
            padding: 64px 0 72px;
            overflow: hidden;
            border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 83, 63, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(15, 155, 142, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .hero-text h1 .highlight {
            color: var(--primary);
        }

        .hero-text .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-sellpoints {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .hero-sellpoints li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.9);
            background: rgba(255, 255, 255, 0.08);
            padding: 8px 14px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .hero-sellpoints li .check-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background: var(--accent);
            border-radius: 50%;
            font-size: 11px;
            color: #fff;
            flex-shrink: 0;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }

        .hero-trust .trust-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .hero-trust .trust-icon {
            font-size: 16px;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        .hero-visual .hero-card-stack {
            position: relative;
            width: 100%;
            max-width: 420px;
        }

        .hero-visual .hero-card-stack img {
            width: 100%;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
        }

        .hero-visual .floating-badge {
            position: absolute;
            top: -16px;
            right: -16px;
            background: var(--primary);
            color: #fff;
            padding: 10px 16px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 14px;
            box-shadow: var(--shadow-lg);
            white-space: nowrap;
        }

        /* 通用板块 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .metric-card .metric-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .metric-card .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 会员等级卡片 */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tier-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 2px solid var(--border);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .tier-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .tier-card.featured::before {
            content: '热门';
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
        }

        .tier-card .tier-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: var(--bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }

        .tier-card .tier-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .tier-card .tier-price {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .tier-card .tier-price span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-light);
        }

        .tier-card .tier-features {
            list-style: none;
            text-align: left;
            margin-bottom: 20px;
        }

        .tier-card .tier-features li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-card .tier-features li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* 对比表 */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-bg);
            min-width: 700px;
        }

        .compare-table thead th {
            background: var(--secondary);
            color: #fff;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            text-align: center;
            white-space: nowrap;
        }

        .compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .compare-table thead th.highlight-col {
            background: var(--primary);
        }

        .compare-table tbody td {
            padding: 14px 20px;
            font-size: 14px;
            text-align: center;
            border-bottom: 1px solid var(--border);
            color: var(--text);
        }

        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 500;
        }

        .compare-table tbody tr:hover {
            background: var(--bg-light);
        }

        .compare-table .icon-check {
            color: var(--accent);
            font-weight: 700;
            font-size: 16px;
        }

        .compare-table .icon-dash {
            color: var(--border);
        }

        /* 场景卡片 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-icon {
            font-size: 40px;
            margin-bottom: 14px;
        }

        .scenario-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* 流程 */
        .steps-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        .steps-list::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border);
            z-index: 1;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            font-size: 14px;
            color: var(--text-light);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: var(--bg-light);
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 16px 20px;
        }

        /* CTA表单 */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2A3A4A 100%);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(232, 83, 63, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-text .cta-benefits {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .cta-text .cta-benefits li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-form {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 20px;
            text-align: center;
        }

        .cta-form .form-group {
            margin-bottom: 14px;
        }

        .cta-form .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cta-form .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            margin-top: 8px;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        /* 探索更多 */
        .explore-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .explore-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border);
            text-align: center;
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text);
            display: block;
        }

        .explore-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            text-decoration: none;
            color: var(--text);
            border-color: var(--primary);
        }

        .explore-card .explore-icon {
            font-size: 32px;
            margin-bottom: 8px;
        }

        .explore-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .explore-card p {
            font-size: 13px;
            color: var(--text-light);
        }

        /* 页脚 */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-on-dark);
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-on-dark);
            line-height: 2;
        }

        .footer-links {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-on-dark);
            text-decoration: none;
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-list::before {
                display: none;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
            }
            .cta-inner {
                grid-template-columns: 1fr;
            }
            .explore-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-section {
                padding: 48px 0 56px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0;
            }
            .side-nav {
                transform: translateX(-100%);
                width: 260px;
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .nav-overlay {
                display: block;
                pointer-events: none;
            }
            .nav-overlay.active {
                pointer-events: auto;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 56px;
            }
            .hero-section {
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 40px 0 44px;
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-text .hero-subtitle {
                font-size: 15px;
            }
            .hero-sellpoints {
                gap: 8px;
            }
            .hero-sellpoints li {
                font-size: 12px;
                padding: 6px 10px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card .metric-number {
                font-size: 32px;
            }
            .tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .tier-card {
                padding: 24px 16px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .steps-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-form {
                padding: 24px;
            }
            .explore-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .container {
                padding: 0 16px;
            }
            .btn {
                padding: 12px 22px;
                font-size: 14px;
            }
            .btn-lg {
                padding: 14px 26px;
                font-size: 16px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .hero-buttons .btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .tier-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-number {
                font-size: 28px;
            }
            .hero-sellpoints {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-trust {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .breadcrumb-nav {
                font-size: 12px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }

        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.12);
            transition: transform var(--transition);
        }

        .side-nav-brand {
            padding: 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .side-nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .side-nav-brand a:hover {
            color: #fff;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 0;
            flex: 1;
        }

        .side-nav-list li {
            margin: 2px 0;
        }

        .side-nav-list a {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            color: var(--text-on-dark);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
        }

        .side-nav-list a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: #fff;
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }

        .side-nav-list a.active {
            background: rgba(232, 83, 63, 0.12);
            color: #fff;
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            color: var(--text-on-dark);
            font-size: 13px;
            line-height: 1.6;
        }

        .nav-social {
            display: flex;
            gap: 12px;
            margin-bottom: 8px;
        }

        .nav-social a {
            color: var(--text-on-dark);
            font-size: 18px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .nav-social a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--nav-width));
        }

        /* 移动端顶栏 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--secondary);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
        }

        .mobile-header .mobile-logo .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 16px;
            border-radius: var(--radius-sm);
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 20px 0;
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* 分类页头部 */
        .category-header {
            padding: 40px 0 20px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 32px;
        }

        .category-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .category-header .category-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 700px;
            line-height: 1.8;
        }

        /* 筛选标签栏 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
            align-items: center;
        }

        .filter-bar .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-right: 4px;
        }

        .filter-tag {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
            background: var(--card-bg);
            color: var(--text-light);
            border: 1px solid var(--border);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 内容区两栏布局 */
        .content-layout {
            display: flex;
            gap: 32px;
            flex: 1;
        }

        .content-main {
            flex: 1;
            min-width: 0;
        }

        .content-sidebar {
            width: 300px;
            flex-shrink: 0;
        }

        /* 案例卡片网格 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }

        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: transparent;
        }

        .case-card-image {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
            background: var(--bg-light);
        }

        .case-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .case-card:hover .case-card-image img {
            transform: scale(1.04);
        }

        .case-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .case-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card-date {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .case-card-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-card-title a {
            color: var(--secondary);
            text-decoration: none;
        }

        .case-card-title a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .case-card-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .case-card-meta {
            font-size: 12px;
            color: var(--text-light);
        }

        .case-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .case-card-link:hover {
            color: var(--primary);
            text-decoration: none;
            gap: 8px;
        }

        .case-card-link .arrow {
            transition: transform var(--transition);
        }

        .case-card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            padding: 20px 0 40px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text);
        }

        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
            background: rgba(232, 83, 63, 0.04);
        }

        .pagination .active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* 侧边栏 */
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-widget h4 {
            font-size: 18px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
        }

        .sidebar-widget ul {
            list-style: none;
            padding: 0;
        }

        .sidebar-widget ul li {
            margin-bottom: 10px;
        }

        .sidebar-widget ul li a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-light);
            font-size: 14px;
            text-decoration: none;
            padding: 8px 0;
            transition: all var(--transition);
            border-bottom: 1px solid var(--bg-light);
        }

        .sidebar-widget ul li a:hover {
            color: var(--primary);
            text-decoration: none;
            padding-left: 4px;
        }

        .sidebar-widget ul li a::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            opacity: 0.6;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            cursor: pointer;
            transition: all var(--transition);
        }

        .tag-cloud .tag:hover {
            background: rgba(232, 83, 63, 0.15);
            color: var(--primary);
        }

        /* CTA区域 */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #2a3a4a 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            margin: 40px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(232, 83, 63, 0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(15, 155, 142, 0.12);
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: var(--text-on-dark);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* 页脚 */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: var(--text-on-dark);
            line-height: 2;
        }

        .footer-bottom p {
            margin: 4px 0;
        }

        .footer-links {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-on-dark);
            text-decoration: none;
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .content-layout {
                flex-direction: column;
            }

            .content-sidebar {
                width: 100%;
                order: -1;
            }

            .cases-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .category-header h1 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .side-nav {
                transform: translateX(-100%);
                width: 280px;
                z-index: 1000;
            }

            .side-nav.open {
                transform: translateX(0);
            }

            .mobile-header {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 60px;
            }

            .cases-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .category-header {
                padding: 24px 0 16px;
            }

            .category-header h1 {
                font-size: 26px;
            }

            .category-header .category-desc {
                font-size: 15px;
            }

            .content-layout {
                gap: 20px;
            }

            .content-sidebar {
                width: 100%;
            }

            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-section h3 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .breadcrumb {
                padding: 12px 0;
                font-size: 13px;
            }

            .filter-bar {
                gap: 6px;
            }

            .filter-tag {
                padding: 6px 12px;
                font-size: 13px;
            }

            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
                padding: 0 10px;
            }

            .case-card-image {
                height: 180px;
            }

            .case-card-title {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .category-header h1 {
                font-size: 22px;
            }

            .case-card-image {
                height: 160px;
            }

            .case-card-body {
                padding: 16px;
            }

            .cta-section {
                padding: 24px 16px;
                margin: 24px 0;
            }

            .cta-section h3 {
                font-size: 20px;
            }

            .sidebar-widget {
                padding: 16px;
            }

            .filter-bar {
                gap: 4px;
            }

            .filter-tag {
                padding: 5px 10px;
                font-size: 12px;
            }
        }

        /* 导航遮罩 */
        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }

        .nav-overlay.show {
            display: block;
        }

        @media (min-width: 769px) {
            .nav-overlay {
                display: none !important;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }

        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--secondary);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.12);
            flex-shrink: 0;
        }

        .side-nav-brand {
            padding: 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .side-nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .side-nav-brand a:hover {
            color: #fff;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .side-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
            padding: 12px 0;
        }

        .side-nav-list li {
            margin: 0;
        }

        .side-nav-list a {
            display: flex;
            align-items: center;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.78);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
        }

        .side-nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }

        .side-nav-list a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.12);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--text-on-dark);
            line-height: 1.6;
        }

        .nav-social {
            display: flex;
            gap: 12px;
            margin-bottom: 8px;
        }

        .nav-social a {
            color: var(--text-on-dark);
            font-size: 16px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .nav-social a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--nav-width));
        }

        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--secondary);
            z-index: 1001;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
        }

        .mobile-header .mobile-logo:hover {
            text-decoration: none;
            color: #fff;
        }

        .mobile-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1002;
        }

        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--secondary);
            z-index: 1000;
            flex-direction: column;
            padding-top: 70px;
            overflow-y: auto;
        }

        .mobile-nav-overlay.active {
            display: flex;
        }

        .mobile-nav-overlay ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-nav-overlay ul li a {
            display: block;
            padding: 16px 24px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            font-weight: 500;
            text-decoration: none;
            border-left: 4px solid transparent;
            transition: all var(--transition);
        }

        .mobile-nav-overlay ul li a:hover,
        .mobile-nav-overlay ul li a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.12);
            border-left-color: var(--primary);
            text-decoration: none;
        }

        .mobile-nav-overlay .mobile-nav-footer {
            padding: 20px 24px;
            color: var(--text-on-dark);
            font-size: 13px;
            margin-top: auto;
        }

        /* 面包屑 */
        .breadcrumb-wrapper {
            background: var(--bg-light);
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* Hero - 限时发布条 */
        .hero-section {
            background: var(--secondary);
            color: #fff;
            position: relative;
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
        }

        .flash-banner {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(232, 83, 63, 0.9);
            padding: 12px 20px;
            border-radius: var(--radius-lg);
            margin-bottom: 28px;
            font-size: 15px;
            font-weight: 600;
            flex-wrap: wrap;
            animation: pulse-banner 2s ease-in-out infinite;
        }

        @keyframes pulse-banner {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 83, 63, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(232, 83, 63, 0);
            }
        }

        .flash-banner .flash-icon {
            font-size: 22px;
            flex-shrink: 0;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }

        .countdown-timer .cd-unit {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .countdown-timer .cd-num {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            min-width: 36px;
            text-align: center;
            display: inline-block;
        }

        .countdown-timer .cd-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }

        .hero-text .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-xl);
            color: var(--text);
            position: relative;
        }

        .hero-card .hero-card-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .hero-card img {
            width: 100%;
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            aspect-ratio: 16/9;
            object-fit: cover;
        }

        .hero-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .hero-card .hero-card-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

        .hero-card .stat-item {
            text-align: center;
        }

        .hero-card .stat-item .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }

        .hero-card .stat-item .stat-label {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 指标看板 */
        .metrics-section {
            padding: var(--section-gap) 0;
            background: var(--card-bg);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: var(--bg);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid transparent;
            box-shadow: var(--shadow-sm);
        }

        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border);
        }

        .metric-card .metric-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .metric-card .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 4px;
        }

        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 服务矩阵 */
        .services-section {
            padding: var(--section-gap) 0;
            background: var(--bg);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .section-header .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-align: center;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: transparent;
        }

        .service-card .service-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: rgba(232, 83, 63, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
        }

        .service-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .service-card .service-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .service-card .service-link:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* 流程 */
        .process-section {
            padding: var(--section-gap) 0;
            background: var(--card-bg);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-num {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 3px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            transition: all var(--transition);
        }

        .process-step:hover .step-num {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 报告列表 */
        .reports-section {
            padding: var(--section-gap) 0;
            background: var(--bg);
        }

        .reports-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .report-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .report-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .report-card .report-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-light);
        }

        .report-card .report-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .report-card .report-date {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .report-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .report-card .report-summary {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .report-card .report-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
        }

        .report-card .report-link:hover {
            color: var(--primary);
            text-decoration: none;
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-md);
            font-size: 14px;
            font-weight: 500;
            background: var(--card-bg);
            border: 1px solid var(--border);
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .pagination .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }

        .pagination .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: not-allowed;
        }

        /* FAQ */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--card-bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            font-size: 14px;
            color: var(--text-light);
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 0;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 0 20px;
        }

        /* CTA表单 */
        .cta-section {
            padding: var(--section-gap) 0;
            background: linear-gradient(135deg, #1F2A35 0%, #2A3645 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: rgba(232, 83, 63, 0.08);
            border-radius: 50%;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-info p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-info .cta-benefits {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-info .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
        }

        .cta-info .cta-benefits li::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: var(--accent);
            border-radius: 50%;
            font-size: 12px;
            flex-shrink: 0;
            color: #fff;
            font-weight: 700;
        }

        .cta-form {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-xl);
            color: var(--text);
        }

        .cta-form h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--secondary);
            text-align: center;
        }

        .cta-form .form-group {
            margin-bottom: 16px;
        }

        .cta-form .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .cta-form .btn-submit {
            width: 100%;
            padding: 16px;
            background: var(--primary);
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            border-radius: var(--radius-md);
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            margin-top: 8px;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-hover);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .cta-form .form-note {
            font-size: 12px;
            color: var(--text-light);
            text-align: center;
            margin-top: 10px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-on-dark);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-on-dark);
            line-height: 1.8;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 12px;
            align-items: center;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-on-dark);
            text-decoration: none;
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
            user-select: none;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .process-steps::before {
                display: none;
            }

            .reports-grid {
                grid-template-columns: 1fr 1fr;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero-section {
                padding: 40px 0;
            }

            .hero-text h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-width: 0px;
            }

            .side-nav {
                display: none;
            }

            .main-content {
                margin-left: 0;
                width: 100%;
                padding-top: 60px;
            }

            .mobile-header {
                display: flex;
            }

            .mobile-nav-overlay {
                display: none;
            }

            .mobile-nav-overlay.active {
                display: flex;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .metric-card .metric-num {
                font-size: 32px;
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .reports-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-section {
                padding: 32px 0;
            }

            .hero-text h1 {
                font-size: 24px;
            }

            .flash-banner {
                font-size: 13px;
                padding: 10px 14px;
            }

            .countdown-timer .cd-num {
                font-size: 15px;
                min-width: 28px;
                padding: 3px 6px;
            }

            .section-header h2 {
                font-size: 22px;
            }

            :root {
                --section-gap: 60px;
            }

            .breadcrumb-wrapper {
                padding: 10px 0;
            }

            .hero-card {
                padding: 20px;
            }

            .hero-card .hero-card-stats {
                gap: 10px;
            }

            .hero-card .stat-item .stat-num {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .metric-card {
                padding: 18px 12px;
            }

            .metric-card .metric-num {
                font-size: 26px;
            }

            .metric-card .metric-label {
                font-size: 13px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .flash-banner {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }

            .pagination .page-btn {
                min-width: 34px;
                height: 34px;
                font-size: 13px;
                padding: 0 8px;
            }

            .cta-form {
                padding: 20px;
            }

            .container {
                padding: 0 14px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }

        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--secondary);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.12);
            flex-shrink: 0;
        }

        .side-nav-brand {
            padding: 24px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .side-nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .side-nav-brand a:hover {
            text-decoration: none;
            color: #fff;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        .side-nav-list {
            list-style: none;
            padding: 16px 0;
            flex: 1;
        }

        .side-nav-list li {
            margin: 0;
        }

        .side-nav-list a {
            display: flex;
            align-items: center;
            padding: 13px 20px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
            letter-spacing: 0.5px;
        }

        .side-nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }

        .side-nav-list a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.12);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--text-on-dark);
            line-height: 1.6;
        }

        .nav-social {
            display: flex;
            gap: 10px;
            margin-bottom: 8px;
        }

        .nav-social a {
            color: var(--text-on-dark);
            font-size: 16px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .nav-social a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--nav-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - var(--nav-width));
        }

        /* 汉堡菜单按钮 */
        .hamburger-btn {
            display: none;
            position: fixed;
            top: 16px;
            right: 16px;
            z-index: 1100;
            width: 44px;
            height: 44px;
            background: var(--secondary);
            border-radius: var(--radius-md);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            border: none;
            box-shadow: var(--shadow-md);
        }

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all var(--transition);
        }

        .hamburger-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger-btn.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 面包屑 */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
            font-size: 14px;
            color: var(--text-light);
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--text-light);
            text-decoration: none;
        }

        .breadcrumb-bar a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb-bar .separator {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb-bar .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero - 限时招募 */
        .hero-recruit {
            background: linear-gradient(135deg, #1F2A35 0%, #2a3542 40%, #1a212b 100%);
            color: #fff;
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-recruit::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 83, 63, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-recruit::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(15, 155, 142, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-recruit .container {
            position: relative;
            z-index: 1;
        }

        .flash-banner {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(232, 83, 63, 0.15);
            border: 1px solid rgba(232, 83, 63, 0.35);
            border-radius: var(--radius-lg);
            padding: 14px 24px;
            margin-bottom: 28px;
            flex-wrap: wrap;
            animation: pulse-border 2.5s ease-in-out infinite;
        }

        @keyframes pulse-border {
            0%,
            100% {
                border-color: rgba(232, 83, 63, 0.35);
            }
            50% {
                border-color: rgba(232, 83, 63, 0.7);
            }
        }

        .flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            animation: glow-pulse 2s ease-in-out infinite;
        }

        @keyframes glow-pulse {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(232, 83, 63, 0.5);
            }
            50% {
                box-shadow: 0 0 20px rgba(232, 83, 63, 0.8);
            }
        }

        .flash-banner-text {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: 0.5px;
        }

        .countdown-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .countdown-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            white-space: nowrap;
        }

        .countdown-timer {
            display: flex;
            gap: 6px;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(0, 0, 0, 0.35);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            min-width: 44px;
        }

        .countdown-unit .num {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
        }

        .countdown-unit .unit-label {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1;
            margin-top: 2px;
        }

        .countdown-sep {
            font-size: 20px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1;
            padding-bottom: 10px;
        }

        .hero-recruit-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .hero-recruit-info h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: 1px;
        }

        .hero-recruit-info h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-recruit-info .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 480px;
        }

        .hero-recruit-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-featured-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-xl);
            color: var(--text);
            position: relative;
            border: 2px solid var(--primary);
        }

        .hero-featured-card .card-badge {
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .hero-featured-card .card-icon {
            width: 52px;
            height: 52px;
            background: rgba(232, 83, 63, 0.1);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 14px;
        }

        .hero-featured-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .hero-featured-card .card-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .hero-featured-card .card-highlights {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .hero-featured-card .highlight-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
        }

        .hero-featured-card .highlight-item::before {
            content: '✓';
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background: rgba(15, 155, 142, 0.15);
            border-radius: 50%;
            font-size: 11px;
            flex-shrink: 0;
        }

        /* 板块通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-dark {
            background: var(--secondary);
            color: #fff;
            padding: var(--section-gap) 0;
        }

        .section-light {
            background: var(--bg-light);
            padding: var(--section-gap) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header .section-desc {
            color: var(--text-on-dark);
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }

        .metric-card .metric-num {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .metric-card .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 4px;
        }

        .metric-card .metric-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* 合作模式 */
        .coop-modes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .coop-mode-card {
            background: var(--card-bg);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .coop-mode-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 83, 63, 0.25);
        }

        .coop-mode-card .mode-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .coop-mode-card .mode-icon.orange {
            background: rgba(232, 83, 63, 0.1);
        }

        .coop-mode-card .mode-icon.teal {
            background: rgba(15, 155, 142, 0.1);
        }

        .coop-mode-card .mode-icon.blue {
            background: rgba(31, 42, 53, 0.06);
        }

        .coop-mode-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .coop-mode-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .coop-mode-card .mode-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
            transition: all var(--transition);
        }

        .coop-mode-card .mode-link:hover {
            color: var(--primary);
            text-decoration: none;
            gap: 10px;
        }

        .coop-mode-card .mode-link::after {
            content: '→';
            transition: transform var(--transition);
        }

        .coop-mode-card .mode-link:hover::after {
            transform: translateX(3px);
        }

        /* 合作流程 */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .flow-step {
            text-align: center;
            position: relative;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .flow-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .flow-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 14px;
        }

        .flow-step h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }

        .flow-connector {
            display: none;
        }

        /* 案例卡片网格 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 83, 63, 0.2);
        }

        .case-card .case-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            background: var(--bg-light);
        }

        .case-card .case-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card .case-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 6px;
        }

        .case-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-card .case-summary {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .case-card .case-link {
            font-weight: 600;
            font-size: 13px;
            color: var(--accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .case-card .case-link:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .case-card .case-link::after {
            content: '→';
            transition: transform var(--transition);
        }

        .case-card .case-link:hover::after {
            transform: translateX(3px);
        }

        /* 分页 */
        .pagination-row {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .pagination-row .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--card-bg);
            border: 1px solid var(--border);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .pagination-row .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
            background: rgba(232, 83, 63, 0.04);
        }

        .pagination-row .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination-row .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }

        /* 对比区域 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 60px 1fr;
            gap: 0;
            align-items: stretch;
            max-width: 900px;
            margin: 0 auto;
        }

        .compare-col {
            padding: 32px 28px;
            border-radius: var(--radius-xl);
        }

        .compare-col.before {
            background: #fef5f4;
            border: 1px solid rgba(232, 83, 63, 0.2);
        }

        .compare-col.after {
            background: #f2faf9;
            border: 1px solid rgba(15, 155, 142, 0.25);
        }

        .compare-col h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            text-align: center;
        }

        .compare-col.before h3 {
            color: #c0392b;
        }

        .compare-col.after h3 {
            color: var(--accent);
        }

        .compare-col .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-col .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
            padding: 10px 14px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
        }

        .compare-col.before .compare-list li::before {
            content: '✕';
            color: #c0392b;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .compare-col.after .compare-list li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .compare-arrow-col {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--primary);
            font-weight: 700;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(232, 83, 63, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--secondary);
            gap: 12px;
            user-select: none;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: rgba(232, 83, 63, 0.03);
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition);
            color: var(--text-light);
        }

        .faq-item.open .faq-arrow {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            background: var(--bg-light);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px;
        }

        /* CTA 表单 */
        .cta-section {
            background: linear-gradient(135deg, #E8533F 0%, #C74535 100%);
            color: #fff;
            padding: var(--section-gap) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-info h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .cta-info p {
            font-size: 16px;
            opacity: 0.9;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-info .cta-benefits {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cta-info .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            opacity: 0.9;
        }

        .cta-info .cta-benefits li::before {
            content: '●';
            color: #fff;
            font-size: 8px;
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
            color: var(--text);
        }

        .cta-form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 20px;
            text-align: center;
        }

        .cta-form-card .form-group {
            margin-bottom: 16px;
        }

        .cta-form-card .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .cta-form-card .form-group input,
        .cta-form-card .form-group textarea,
        .cta-form-card .form-group select {
            width: 100%;
            padding: 13px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: all var(--transition);
            background: #fafaf9;
        }

        .cta-form-card .form-group input:focus,
        .cta-form-card .form-group textarea:focus,
        .cta-form-card .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.06);
            outline: none;
            background: #fff;
        }

        .cta-form-card .btn-submit {
            width: 100%;
            padding: 15px;
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-top: 8px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 50px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-on-dark);
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-on-dark);
            line-height: 1.8;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--text-on-dark);
            text-decoration: none;
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* 覆盖层 */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
        }

        .nav-overlay.active {
            display: block;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            :root {
                --nav-width: 0;
            }
            .side-nav {
                transform: translateX(-260px);
                width: 260px;
                transition: transform 0.3s ease;
                z-index: 1001;
            }
            .side-nav.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
                width: 100%;
            }
            .hamburger-btn {
                display: flex;
            }
            .hero-recruit-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-recruit-info h1 {
                font-size: 28px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coop-modes-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .compare-arrow-col {
                transform: rotate(90deg);
                padding: 8px 0;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-dark,
            .section-light {
                padding: var(--section-gap-mobile) 0;
            }
            .cta-section {
                padding: var(--section-gap-mobile) 0;
            }
            .countdown-row {
                margin-left: 0;
                margin-top: 8px;
            }
            .flash-banner {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 768px) {
            .hero-recruit {
                padding: 40px 0 36px;
            }
            .hero-recruit-info h1 {
                font-size: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .metric-card .metric-num {
                font-size: 32px;
            }
            .coop-modes-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cases-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .case-card .case-img {
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .pagination-row .page-btn {
                width: 34px;
                height: 34px;
                font-size: 13px;
            }
            .compare-col {
                padding: 20px 16px;
            }
            .hero-featured-card {
                padding: 20px 16px;
            }
            .hero-featured-card h3 {
                font-size: 17px;
            }
            .countdown-unit .num {
                font-size: 18px;
            }
            .countdown-unit {
                min-width: 36px;
                padding: 5px 8px;
            }
        }

        @media (max-width: 520px) {
            .hero-recruit-info h1 {
                font-size: 21px;
            }
            .hero-recruit-info .hero-subtitle {
                font-size: 15px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .cases-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-recruit-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-recruit-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .countdown-timer {
                gap: 3px;
            }
            .countdown-unit {
                min-width: 32px;
                padding: 4px 6px;
            }
            .countdown-unit .num {
                font-size: 16px;
            }
            .flash-badge {
                font-size: 11px;
                padding: 4px 10px;
            }
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #E8533F;
            --primary-hover: #C74535;
            --secondary: #1F2A35;
            --accent: #0F9B8E;
            --accent-hover: #0B7D72;
            --bg: #F8F7F4;
            --bg-light: #F1F0EC;
            --card-bg: #FFFFFF;
            --text: #2D3135;
            --text-light: #6B7177;
            --text-on-dark: #B0B5BA;
            --border: #E0DCD5;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.10);
            --nav-width: 240px;
            --transition: 0.2s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            padding-left: var(--nav-width);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition), text-decoration var(--transition);
        }

        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition);
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            font-size: 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            background: var(--card-bg);
            color: var(--text);
            transition: border-color var(--transition), box-shadow var(--transition);
            width: 100%;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232, 83, 63, 0.08);
            outline: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            cursor: pointer;
        }

        .btn:hover {
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--secondary);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 18px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-light);
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(232, 83, 63, 0.1);
            color: var(--primary);
        }

        .tag-accent {
            background: rgba(15, 155, 142, 0.1);
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 左侧导航 */
        .side-nav {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 16px rgba(0, 0, 0, 0.15);
        }

        .side-nav-brand {
            padding: 24px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .side-nav-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .side-nav-brand a:hover {
            color: #fff;
            text-decoration: none;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 16px;
            flex-shrink: 0;
        }

        .side-nav-list {
            list-style: none;
            padding: 12px 0;
            flex: 1;
        }

        .side-nav-list li {
            margin: 0;
        }

        .side-nav-list a {
            display: block;
            padding: 13px 20px;
            color: #B0B5BA;
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            border-left: 4px solid transparent;
            position: relative;
        }

        .side-nav-list a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
            text-decoration: none;
            border-left-color: rgba(232, 83, 63, 0.5);
        }

        .side-nav-list a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.12);
            border-left-color: var(--primary);
            font-weight: 600;
        }

        .side-nav-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: var(--text-on-dark);
            text-align: center;
        }

        .nav-social {
            display: flex;
            justify-content: center;
            gap: 14px;
            margin-bottom: 8px;
        }

        .nav-social a {
            color: var(--text-on-dark);
            font-size: 18px;
            transition: color var(--transition);
            text-decoration: none;
        }

        .nav-social a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--secondary);
            z-index: 1100;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .mobile-header .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            text-decoration: none;
            letter-spacing: 1px;
        }

        .mobile-header .mobile-logo:hover {
            text-decoration: none;
            color: #fff;
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
            z-index: 1101;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
            transform-origin: center;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 56px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--secondary);
            z-index: 1099;
            overflow-y: auto;
            padding: 16px 0;
        }

        .mobile-nav-overlay.active {
            display: block;
        }

        .mobile-nav-overlay ul {
            list-style: none;
            padding: 0;
        }

        .mobile-nav-overlay ul li a {
            display: block;
            padding: 14px 24px;
            color: #B0B5BA;
            font-size: 16px;
            text-decoration: none;
            border-left: 4px solid transparent;
            transition: all var(--transition);
        }

        .mobile-nav-overlay ul li a:hover,
        .mobile-nav-overlay ul li a.active {
            color: #fff;
            background: rgba(232, 83, 63, 0.12);
            border-left-color: var(--primary);
            text-decoration: none;
        }

        /* 主内容区 */
        .main-content {
            flex: 1;
            min-width: 0;
            padding-top: 0;
        }

        /* 面包屑 */
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--accent);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: #C0BDB5;
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Hero */
        .hero-section {
            background: var(--secondary);
            position: relative;
            overflow: hidden;
            padding: 60px 0;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 42, 53, 0.88) 0%, rgba(31, 42, 53, 0.7) 100%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1;
            min-width: 280px;
        }

        .hero-text .section-label {
            color: #fff;
            opacity: 0.9;
        }

        .hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-text .hero-desc {
            font-size: 17px;
            color: #D0D5DA;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* 进度环 */
        .hero-progress {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
        }

        .progress-ring-wrap {
            position: relative;
            width: 140px;
            height: 140px;
        }

        .progress-ring-wrap svg {
            transform: rotate(-90deg);
        }

        .progress-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.15);
            stroke-width: 10;
        }

        .progress-ring-fill {
            fill: none;
            stroke: var(--primary);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.2s ease;
        }

        .progress-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .progress-center .progress-num {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }

        .progress-center .progress-label {
            font-size: 12px;
            color: #B0B5BA;
            margin-top: 4px;
        }

        .hero-progress-info {
            text-align: center;
            color: #D0D5DA;
            font-size: 14px;
            line-height: 1.6;
        }

        .hero-progress-info strong {
            color: #fff;
            font-size: 16px;
        }

        /* 档位预览 */
        .tier-preview {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            flex: 1;
            min-width: 120px;
            transition: all var(--transition);
            backdrop-filter: blur(2px);
        }

        .tier-card:hover {
            background: rgba(255, 255, 255, 0.13);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .tier-card .tier-name {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .tier-card .tier-price {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .tier-card .tier-desc {
            font-size: 12px;
            color: #B0B5BA;
            line-height: 1.5;
        }

        /* 板块通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* 方法论要点卡片 */
        .method-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .method-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            text-align: center;
        }

        .method-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .method-card .method-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 16px;
            background: rgba(232, 83, 63, 0.08);
            color: var(--primary);
        }

        .method-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .method-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* 文章列表 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .article-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-light);
            flex-shrink: 0;
        }

        .article-card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .article-card-date {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 8px;
            font-weight: 500;
        }

        .article-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: color var(--transition);
        }

        .article-card:hover h3 {
            color: var(--primary);
        }

        .article-card .article-excerpt {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }

        .article-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            text-decoration: none;
            transition: all var(--transition);
            align-self: flex-start;
        }

        .article-card .read-more:hover {
            color: var(--primary);
            text-decoration: none;
            gap: 10px;
        }

        .article-card .read-more::after {
            content: '→';
            transition: transform var(--transition);
        }

        .article-card .read-more:hover::after {
            transform: translateX(3px);
        }

        /* 内容区布局 */
        .content-layout {
            display: flex;
            gap: 32px;
            align-items: flex-start;
        }

        .content-main {
            flex: 1;
            min-width: 0;
        }

        .content-sidebar {
            width: 280px;
            flex-shrink: 0;
        }

        /* 侧边栏 */
        .sidebar-widget {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            margin-bottom: 20px;
        }

        .sidebar-widget h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--bg-light);
        }

        .sidebar-widget ul {
            list-style: none;
            padding: 0;
        }

        .sidebar-widget ul li {
            margin-bottom: 8px;
        }

        .sidebar-widget ul li a {
            font-size: 14px;
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
            display: block;
            padding: 6px 0;
            border-bottom: 1px dotted var(--border);
        }

        .sidebar-widget ul li a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag {
            cursor: pointer;
            transition: all var(--transition);
        }

        .tag-cloud .tag:hover {
            background: rgba(232, 83, 63, 0.15);
            color: var(--primary);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            user-select: none;
            transition: color var(--transition);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-arrow {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            font-size: 14px;
            color: var(--text-light);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            background: var(--bg-light);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 16px 20px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #E8533F 0%, #C74535 100%);
            padding: 60px 0;
            text-align: center;
            border-radius: var(--radius-xl);
            margin: 0 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 560px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 180px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            font-size: 16px;
            background: #fff;
            color: var(--text);
        }

        .cta-form input:focus {
            border-color: #fff;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
        }

        .cta-form .btn {
            flex-shrink: 0;
            background: var(--secondary);
            color: #fff;
            border: 2px solid var(--secondary);
            font-weight: 700;
        }

        .cta-form .btn:hover {
            background: #2D3A48;
            border-color: #2D3A48;
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        /* 分页 */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            padding: 32px 0;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition);
            text-decoration: none;
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text);
        }

        .pagination a:hover {
            background: rgba(232, 83, 63, 0.08);
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }

        .pagination .active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination .disabled {
            opacity: 0.4;
            pointer-events: none;
            cursor: default;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-on-dark);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-on-dark);
            line-height: 2;
        }

        .footer-links {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: var(--text-on-dark);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-links span {
            margin: 0 8px;
            opacity: 0.5;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .method-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-layout {
                flex-direction: column;
            }
            .content-sidebar {
                width: 100%;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .content-sidebar .sidebar-widget {
                margin-bottom: 0;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero-text .hero-desc {
                max-width: 100%;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-progress {
                flex-direction: row;
                gap: 20px;
                flex-wrap: wrap;
                justify-content: center;
            }
            .tier-preview {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-left: 0;
                flex-direction: column;
                padding-top: 56px;
            }
            .side-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .hero-section {
                padding: 40px 0;
                min-height: auto;
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-text .hero-desc {
                font-size: 15px;
            }
            .method-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .content-sidebar {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .cta-section {
                margin: 0 12px;
                padding: 40px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pagination a,
            .pagination span {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .tier-preview {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-progress {
                padding: 20px 16px;
            }
            .progress-ring-wrap {
                width: 110px;
                height: 110px;
            }
            .progress-center .progress-num {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 24px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .cta-form .btn {
                width: 100%;
            }
            .container {
                padding: 0 16px;
            }
            .article-card-img {
                height: 160px;
            }
        }