/* roulang page: index */
:root {
            --primary: #33699F;
            --primary-dark: #285580;
            --primary-light: #E8F0F7;
            --accent: #48B5C3;
            --accent-soft: #E4F4F6;
            --bg: #F5F8FC;
            --surface: #FFFFFF;
            --text: #1F2D3D;
            --text-secondary: #4A5A6A;
            --text-muted: #6A7B8C;
            --border: #E9EEF5;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 6px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
            --section-gap: 72px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition: 0.25s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: var(--section-gap) 0; }
        .section-alt { background: var(--surface); }
        .section-title { font-size: 28px; font-weight: 700; margin-bottom: 12px; letter-spacing: 0.3px; }
        .section-subtitle { font-size: 16px; color: var(--text-muted); margin-bottom: 32px; max-width: 680px; }

        /* Header/Nav */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
        .logo { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: 0.5px; white-space: nowrap; }
        .logo:hover { color: var(--primary); }
        .logo i { color: var(--primary); margin-right: 6px; }
        .main-nav { display: flex; align-items: center; gap: 24px; list-style: none; margin: 0; }
        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover { color: var(--primary); border-bottom-color: var(--accent); }
        .main-nav a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
        }
        .mobile-nav {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 12px 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav a:last-child { border-bottom: none; }
        .mobile-nav a.active { color: var(--primary); font-weight: 600; }

        /* Breadcrumb */
        .breadcrumb-bar { padding: 12px 0 4px; }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li { display: flex; align-items: center; gap: 6px; }
        .breadcrumb li:not(:last-child)::after { content: '›'; color: var(--text-muted); }
        .breadcrumb li.current { color: var(--text); font-weight: 600; }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 6px 16px rgba(51,105,159,0.3); transform: translateY(-2px); }
        .btn-secondary { background: var(--surface); color: var(--primary); border: 2px solid var(--primary); }
        .btn-secondary:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
        .btn-outline-light { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6); }
        .btn-outline-light:hover { background: rgba(255,255,255,0.15); color: #fff; }
        .btn-sm { padding: 8px 18px; font-size: 13px; }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
            transition: all var(--transition);
        }
        .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .card-icon {
            width: 52px; height: 52px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .card-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
        .card-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

        /* Hero - 双栏门户 */
        .hero-section {
            padding: 60px 0 72px;
            background: linear-gradient(135deg, #F5F8FC 0%, #EDF3F9 55%, #E8F0F7 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -80px; right: -60px;
            width: 320px; height: 320px;
            border-radius: 50%;
            background: rgba(72,181,195,0.08);
            pointer-events: none;
        }
        .hero-section .container { position: relative; z-index: 1; }
        .hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
        .hero-left h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text);
            letter-spacing: 0.3px;
        }
        .hero-left .hero-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: #2B8C98;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .hero-left p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 20px;
            max-width: 520px;
            line-height: 1.85;
        }
        .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
        .hero-right .quick-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .quick-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 18px;
            text-align: left;
            transition: all var(--transition);
        }
        .quick-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: var(--accent); }
        .quick-card .quick-icon { font-size: 24px; color: var(--primary); margin-bottom: 8px; }
        .quick-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
        .quick-card p { font-size: 12px; color: var(--text-muted); margin: 0; }

        /* Feature Grid */
        .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .feature-card .card-icon { background: #E8F4F5; color: var(--accent); }

        /* Scenario */
        .scenario-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .scenario-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .scenario-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .scenario-card .scenario-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .scenario-card .scenario-img .overlay {
            position: absolute;
            bottom: 0; left: 0; right: 0;
            padding: 16px;
            background: linear-gradient(transparent, rgba(0,0,0,0.45));
            color: #fff;
            font-weight: 600;
            font-size: 15px;
        }
        .scenario-card .scenario-body { padding: 16px; }
        .scenario-card .scenario-body p { font-size: 14px; color: var(--text-muted); margin: 0; }

        /* Demo/Showcase */
        .demo-showcase {
            background: linear-gradient(135deg, #2E4A6B 0%, #33699F 60%, #3A7BB5 100%);
            border-radius: var(--radius);
            padding: 42px;
            display: flex;
            align-items: center;
            gap: 36px;
            overflow: hidden;
            position: relative;
        }
        .demo-showcase::before {
            content: '';
            position: absolute;
            top: -40px; left: -40px;
            width: 180px; height: 180px;
            border-radius: 50%;
            background: rgba(72,181,195,0.15);
        }
        .demo-showcase .demo-text { flex: 1; color: #fff; position: relative; z-index: 1; }
        .demo-showcase .demo-text h2 { font-size: 26px; margin-bottom: 12px; color: #fff; }
        .demo-showcase .demo-text p { font-size: 15px; color: rgba(255,255,255,0.85); margin-bottom: 16px; }
        .demo-showcase .demo-visual {
            width: 44%;
            min-height: 200px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            position: relative;
            z-index: 1;
            box-shadow: 0 12px 28px rgba(0,0,0,0.18);
        }

        /* Success Case */
        .case-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .case-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .case-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .case-card .case-thumb {
            height: 150px;
            background-size: cover;
            background-position: center;
        }
        .case-card .case-body { padding: 16px; }
        .case-card .case-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
        .case-card .case-body p { font-size: 13px; color: var(--text-muted); margin: 0; }
        .case-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: #2B8C98;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 16px;
            margin-bottom: 8px;
        }

        /* Pricing */
        .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
        .price-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .price-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .price-card.featured {
            border: 2px solid var(--primary);
            box-shadow: 0 8px 28px rgba(51,105,159,0.14);
        }
        .price-card .badge-featured {
            position: absolute;
            top: -12px; left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 14px;
            border-radius: 20px;
            white-space: nowrap;
        }
        .price-card .price-name { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
        .price-card .price-amount { font-size: 34px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
        .price-card .price-amount small { font-size: 14px; font-weight: 400; color: var(--text-muted); }
        .price-card .price-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
        .price-card .btn { width: 100%; }

        /* Review Wall */
        .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .review-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 20px 18px;
            border-left: 4px solid var(--accent);
            transition: all var(--transition);
        }
        .review-card:hover { box-shadow: var(--shadow-hover); }
        .review-card .review-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.7; }
        .review-card .review-author { font-size: 13px; color: var(--text-muted); font-weight: 500; }
        .review-card .review-role { font-size: 12px; color: var(--text-muted); }

        /* User Reputation */
        .reputation-bar {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .rep-item {
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 16px 22px;
            text-align: center;
            flex: 1;
            min-width: 150px;
            transition: all var(--transition);
        }
        .rep-item:hover { box-shadow: var(--shadow-hover); }
        .rep-item .rep-num { font-size: 26px; font-weight: 700; color: var(--primary); }
        .rep-item .rep-label { font-size: 13px; color: var(--text-muted); }

        /* News List */
        .news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .news-item {
            display: flex;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 16px;
            transition: all var(--transition);
        }
        .news-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .news-item .news-thumb {
            width: 130px;
            min-width: 130px;
            height: 90px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
        }
        .news-item .news-body { flex: 1; }
        .news-item .news-body h3 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
        .news-item .news-body p { font-size: 13px; color: var(--text-muted); margin-bottom: 6px; }
        .news-item .news-date { font-size: 12px; color: var(--text-muted); }

        /* Brand Intro */
        .brand-intro {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 36px;
            position: relative;
        }
        .brand-intro::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .brand-intro p { font-size: 15px; color: var(--text-secondary); line-height: 1.95; margin-bottom: 14px; }
        .brand-intro p:last-child { margin-bottom: 0; }

        /* Calendar */
        .calendar-list { display: flex; flex-direction: column; gap: 10px; }
        .calendar-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 12px 18px;
            transition: all var(--transition);
        }
        .calendar-item:hover { border-color: var(--accent); }
        .calendar-date {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            padding: 4px 12px;
            border-radius: 6px;
            white-space: nowrap;
            min-width: 60px;
            text-align: center;
        }
        .calendar-text { font-size: 14px; color: var(--text-secondary); flex: 1; }
        .calendar-tag {
            background: var(--accent-soft);
            color: #2B8C98;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 12px;
            white-space: nowrap;
        }

        /* Security/Disclaimer */
        .disclaimer-bar {
            background: #FFF8E8;
            border: 1px solid #F5E6BE;
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            font-size: 14px;
            color: #8A6D2B;
            line-height: 1.7;
        }
        .disclaimer-bar i { margin-right: 8px; color: #C9A84C; }

        /* FAQ */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 18px 20px;
            margin-bottom: 14px;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); }
        .faq-item .faq-q { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
        .faq-item .faq-a { font-size: 14px; color: var(--text-muted); line-height: 1.75; }

        /* CTA */
        .cta-banner {
            background: linear-gradient(135deg, #33699F 0%, #285580 100%);
            border-radius: var(--radius);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50px; right: -50px;
            width: 200px; height: 200px;
            border-radius: 50%;
            background: rgba(72,181,195,0.2);
        }
        .cta-banner h2 { font-size: 26px; margin-bottom: 10px; color: #fff; }
        .cta-banner p { font-size: 15px; color: rgba(255,255,255,0.85); margin-bottom: 20px; }
        .cta-banner .btn { margin: 0 6px; }

        /* Footer */
        .site-footer {
            background: #2A3A4A;
            color: rgba(255,255,255,0.8);
            padding-top: 48px;
            margin-top: 40px;
        }
        .site-footer .footer-grid { display: grid; grid-template-columns: 1.2fr 2fr; gap: 32px; padding-bottom: 32px; }
        .site-footer .footer-brand { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 10px; }
        .site-footer .footer-desc { font-size: 13px; color: rgba(255,255,255,0.6); max-width: 280px; line-height: 1.7; }
        .site-footer .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .site-footer .footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 12px; }
        .site-footer .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .site-footer .footer-col a:hover { color: var(--accent); }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding: 16px 0;
            font-size: 12px;
            color: rgba(255,255,255,0.5);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            justify-content: center;
            text-align: center;
        }
        .site-footer .footer-bottom a { color: rgba(255,255,255,0.6); }
        .site-footer .footer-bottom a:hover { color: var(--accent); }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; gap: 32px; }
            .hero-left { text-align: center; }
            .hero-left p { margin-left: auto; margin-right: auto; }
            .hero-actions { justify-content: center; }
            .demo-showcase { flex-direction: column; text-align: center; }
            .demo-showcase .demo-visual { width: 100%; min-height: 160px; }
            .feature-grid, .scenario-list, .case-list, .pricing-grid, .review-grid { grid-template-columns: 1fr 1fr; }
            .news-list { grid-template-columns: 1fr; }
            .site-footer .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .nav-toggle { display: block; }
            .mobile-nav.open { display: block; }
            .section { padding: 42px 0; }
            .section-title { font-size: 24px; }
            .hero-left h1 { font-size: 27px; }
            .feature-grid, .scenario-list, .case-list, .pricing-grid, .review-grid { grid-template-columns: 1fr; }
            .quick-grid { grid-template-columns: 1fr; }
            .demo-showcase { padding: 24px; }
            .brand-intro { padding: 24px; }
            .site-footer .footer-links { grid-template-columns: 1fr 1fr; }
            .news-item { flex-direction: column; }
            .news-item .news-thumb { width: 100%; height: 140px; }
            .calendar-item { flex-wrap: wrap; }
            .cta-banner { padding: 28px 18px; }
        }
        @media (max-width: 520px) {
            .site-header .container { height: 56px; }
            .logo { font-size: 19px; }
            .hero-section { padding: 36px 0 48px; }
            .hero-left h1 { font-size: 22px; }
            .btn { padding: 10px 18px; font-size: 14px; }
            .quick-grid { grid-template-columns: 1fr; }
            .site-footer .footer-links { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; }
        }

/* roulang page: category1 */
:root {
            --primary: #33699F;
            --primary-dark: #285580;
            --primary-light: #E8F0F7;
            --accent: #48B5C3;
            --accent-soft: #E4F4F6;
            --bg: #F5F8FC;
            --surface: #FFFFFF;
            --text: #1F2D3D;
            --text-secondary: #4A5A6A;
            --text-muted: #6A7B8C;
            --border: #E9EEF5;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 6px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
            --section-gap: 72px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--surface);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            color: var(--text);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 680px;
        }

        /* Header / Nav */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo i {
            color: var(--primary);
            margin-right: 6px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
        }

        .mobile-nav {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 12px 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            margin: 0 6px;
            color: #B0BEC9;
        }
        .breadcrumb .current {
            font-weight: 600;
            color: var(--text);
        }
        .back-link {
            font-size: 13px;
            color: var(--primary);
            white-space: nowrap;
        }
        .back-link i {
            margin-right: 4px;
            font-size: 12px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(51,105,159,0.3);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--surface);
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Page Header (分类页 H1 区域) */
        .page-header {
            background: linear-gradient(135deg, #F5F8FC 0%, #EDF3F9 55%, #E8F0F7 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .page-header h1 {
            font-size: 34px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .page-header .page-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Article List (纵向图文列表) */
        .article-list-card {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 18px;
            margin-bottom: 20px;
            transition: all var(--transition);
        }
        .article-list-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .article-list-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .article-list-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .article-list-body h3 a {
            color: var(--text);
        }
        .article-list-body h3 a:hover {
            color: var(--primary);
        }
        .article-list-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0 0 10px;
            line-height: 1.7;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            align-items: center;
        }
        .article-meta .tag {
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }

        /* 数据指标导览 */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            gap: 18px;
        }
        .metric-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 20px;
            text-align: left;
            transition: all var(--transition);
        }
        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .metric-card .metric-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .metric-card h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--text);
        }
        .metric-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* 热点赛事数据面板 */
        .hot-data-panel {
            background: linear-gradient(135deg, #2E5C8A 0%, #33699F 50%, #48B5C3 100%);
            border-radius: var(--radius);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hot-data-panel::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
        }
        .hot-data-panel h2 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .hot-data-panel p {
            color: rgba(255,255,255,0.85);
            font-size: 15px;
            max-width: 680px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .data-bars {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 24px;
            position: relative;
            z-index: 1;
        }
        .data-bar-item {
            background: rgba(255,255,255,0.1);
            border-radius: var(--radius-sm);
            padding: 18px;
            backdrop-filter: blur(4px);
        }
        .data-bar-item .bar-label {
            font-size: 13px;
            color: rgba(255,255,255,0.8);
            margin-bottom: 6px;
        }
        .data-bar-item .bar-value {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
        }
        .data-bar-item .bar-trend {
            font-size: 12px;
            color: #A8D8C0;
            margin-top: 4px;
        }

        /* 特色榜单 */
        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .rank-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
        }
        .rank-list li:last-child {
            border-bottom: none;
        }
        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            margin-right: 14px;
            flex-shrink: 0;
        }
        .rank-list li:nth-child(1) .rank-num {
            background: var(--primary);
            color: #fff;
        }
        .rank-name {
            flex: 1;
            font-weight: 500;
            color: var(--text);
        }
        .rank-value {
            font-weight: 700;
            color: var(--primary);
            font-size: 16px;
        }

        /* 数据工具入口 */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 18px;
        }
        .tool-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition);
        }
        .tool-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .tool-card .tool-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .tool-card h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--text);
        }
        .tool-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* 订阅提醒 */
        .subscribe-box {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        .subscribe-box .subscribe-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--text);
        }
        .subscribe-box .subscribe-text p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg);
            min-width: 260px;
            font-size: 14px;
        }
        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            outline: none;
            background: #fff;
        }

        /* Footer */
        .site-footer {
            background: #2A3A4A;
            color: rgba(255,255,255,0.85);
            padding: 56px 0 24px;
            margin-top: 40px;
        }
        .site-footer a {
            color: rgba(255,255,255,0.75);
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand i {
            color: var(--accent);
            margin-right: 6px;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,0.7);
            max-width: 360px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            padding: 4px 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
            align-items: center;
        }
        .footer-bottom a {
            font-size: 13px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
            }
            .main-nav {
                gap: 16px;
            }
            .main-nav a {
                font-size: 14px;
            }
            .article-list-card {
                grid-template-columns: 180px 1fr;
            }
            .article-list-card img {
                height: 130px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 44px;
            }
            .section-title {
                font-size: 24px;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
            }
            .mobile-nav.active {
                display: block;
            }
            .article-list-card {
                grid-template-columns: 1fr;
            }
            .article-list-card img {
                height: auto;
                max-height: 200px;
            }
            .data-bars {
                grid-template-columns: 1fr 1fr;
            }
            .hot-data-panel {
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-form input[type="email"] {
                min-width: 100%;
                flex: 1;
            }
            .subscribe-box {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .page-header h1 {
                font-size: 26px;
            }
            .metric-grid {
                grid-template-columns: 1fr;
            }
            .tool-grid {
                grid-template-columns: 1fr;
            }
            .data-bars {
                grid-template-columns: 1fr;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .breadcrumb-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

/* roulang page: category2 */
:root {
        --primary: #33699F;
        --primary-dark: #285580;
        --primary-light: #E8F0F7;
        --accent: #48B5C3;
        --accent-soft: #E4F4F6;
        --bg: #F5F8FC;
        --surface: #FFFFFF;
        --text: #1F2D3D;
        --text-secondary: #4A5A6A;
        --text-muted: #6A7B8C;
        --border: #E9EEF5;
        --radius: 12px;
        --radius-sm: 8px;
        --shadow: 0 6px 20px rgba(0,0,0,0.06);
        --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
        --section-gap: 72px;
        --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        --transition: 0.25s ease;
    }
    html { scroll-behavior: smooth; }
    body {
        font-family: var(--font-family);
        background: var(--bg);
        color: var(--text);
        line-height: 1.75;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--primary-dark); }
    img { max-width: 100%; height: auto; display: block; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button:focus, a:focus, input:focus, select:focus, textarea:focus {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
    .section { padding: var(--section-gap) 0; }
    .section-alt { background: var(--surface); }
    .section-title { font-size: 28px; font-weight: 700; margin-bottom: 12px; letter-spacing: 0.3px; }
    .section-subtitle { font-size: 16px; color: var(--text-muted); margin-bottom: 32px; max-width: 680px; }

    /* Header/Nav */
    .site-header {
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 100;
        box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    }
    .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
    .logo { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: 0.5px; white-space: nowrap; }
    .logo:hover { color: var(--primary); }
    .logo i { color: var(--primary); margin-right: 6px; }
    .main-nav { display: flex; align-items: center; gap: 24px; list-style: none; margin: 0; }
    .main-nav a {
        font-size: 15px;
        color: var(--text-secondary);
        font-weight: 500;
        padding: 6px 2px;
        border-bottom: 2px solid transparent;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .main-nav a:hover { color: var(--primary); border-bottom-color: var(--accent); }
    .main-nav a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 22px;
        color: var(--text-secondary);
        cursor: pointer;
        padding: 8px;
    }
    .mobile-nav {
        display: none;
        background: var(--surface);
        border-top: 1px solid var(--border);
        padding: 12px 20px;
    }
    .mobile-nav a {
        display: block;
        padding: 12px 0;
        font-size: 16px;
        color: var(--text-secondary);
        border-bottom: 1px solid var(--border);
    }
    .mobile-nav a:last-child { border-bottom: none; }
    .mobile-nav a.active { color: var(--primary); font-weight: 600; }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 26px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all var(--transition);
        text-decoration: none;
        line-height: 1.4;
    }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 6px 16px rgba(51,105,159,0.3); transform: translateY(-2px); }
    .btn-secondary { background: var(--surface); color: var(--primary); border: 2px solid var(--primary); }
    .btn-secondary:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
    .btn-sm { padding: 8px 18px; font-size: 13px; }

    /* Cards */
    .card {
        background: var(--surface);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        padding: 24px;
        transition: all var(--transition);
    }
    .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .card-icon {
        width: 52px;
        height: 52px;
        border-radius: var(--radius-sm);
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: 16px;
    }
    .card-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
    .card-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

    /* Breadcrumb */
    .breadcrumb-bar {
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        padding: 10px 0;
        font-size: 13px;
        color: var(--text-muted);
    }
    .breadcrumb-bar .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
    .breadcrumb { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
    .breadcrumb li { display: flex; align-items: center; gap: 6px; }
    .breadcrumb li:not(:last-child)::after { content: '›'; color: var(--text-muted); margin: 0 2px; }
    .breadcrumb a { color: var(--text-muted); }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb .current { color: var(--text); font-weight: 600; }
    .back-link { font-size: 13px; color: var(--text-muted); white-space: nowrap; }
    .back-link:hover { color: var(--primary); }

    /* Page Header - 分类页专属，不同于首页Hero */
    .page-header {
        background: linear-gradient(135deg, #F5F8FC 0%, #EDF3F9 60%, #E8F0F7 100%);
        padding: 48px 0 40px;
        border-bottom: 1px solid var(--border);
        position: relative;
        overflow: hidden;
    }
    .page-header::before {
        content: '';
        position: absolute;
        top: -100px;
        right: -80px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: rgba(72,181,195,0.07);
        pointer-events: none;
    }
    .page-header .container { position: relative; z-index: 1; }
    .page-header h1 {
        font-size: 34px;
        font-weight: 700;
        margin-bottom: 12px;
        letter-spacing: 0.5px;
        color: var(--text);
    }
    .page-header .lead {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 720px;
        line-height: 1.8;
    }
    .header-meta {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-top: 16px;
        font-size: 13px;
        color: var(--text-muted);
        flex-wrap: wrap;
    }
    .header-meta span { display: flex; align-items: center; gap: 6px; }
    .header-meta i { color: var(--accent); }

    /* 文章列表卡片 */
    .article-list { display: flex; flex-direction: column; gap: 20px; }
    .article-card {
        background: var(--surface);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        overflow: hidden;
        display: grid;
        grid-template-columns: 280px 1fr;
        transition: all var(--transition);
    }
    .article-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .article-thumb {
        height: 100%;
        min-height: 200px;
        background-size: cover;
        background-position: center;
        position: relative;
    }
    .article-thumb .tag {
        position: absolute;
        top: 14px;
        left: 14px;
        background: var(--primary);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
        letter-spacing: 0.5px;
    }
    .article-body { padding: 22px 26px; display: flex; flex-direction: column; }
    .article-body h3 { font-size: 19px; font-weight: 600; margin: 0 0 10px; line-height: 1.5; }
    .article-body h3 a { color: var(--text); }
    .article-body h3 a:hover { color: var(--primary); }
    .article-summary { font-size: 14px; color: var(--text-muted); line-height: 1.75; margin-bottom: 14px; flex: 1; }
    .article-meta {
        display: flex;
        align-items: center;
        gap: 18px;
        font-size: 13px;
        color: var(--text-muted);
        flex-wrap: wrap;
    }
    .article-meta i { color: var(--accent); margin-right: 4px; }

    /* 热点追踪 */
    .hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .hot-card {
        background: var(--surface);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        padding: 22px;
        transition: all var(--transition);
        position: relative;
    }
    .hot-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .hot-rank {
        position: absolute;
        top: -10px;
        right: 20px;
        background: var(--accent);
        color: #fff;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 15px;
        box-shadow: 0 4px 10px rgba(72,181,195,0.4);
    }
    .hot-card .card-title { font-size: 16px; margin-bottom: 10px; }
    .hot-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
    .hot-meta i { color: var(--accent); }

    /* 数据工具入口 */
    .tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .tool-card {
        background: var(--surface);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        padding: 20px;
        text-align: center;
        transition: all var(--transition);
    }
    .tool-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .tool-card .tool-icon {
        width: 48px;
        height: 48px;
        border-radius: var(--radius-sm);
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin: 0 auto 12px;
    }
    .tool-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
    .tool-card p { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.6; }

    /* 榜单 */
    .ranking-list { display: flex; flex-direction: column; gap: 0; background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; }
    .ranking-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 16px 22px;
        border-bottom: 1px solid var(--border);
        transition: background var(--transition);
    }
    .ranking-item:last-child { border-bottom: none; }
    .ranking-item:hover { background: var(--primary-light); }
    .ranking-num {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 15px;
        flex-shrink: 0;
    }
    .ranking-item:nth-child(1) .ranking-num { background: #FFD700; color: #7A5C00; }
    .ranking-item:nth-child(2) .ranking-num { background: #C0C0C0; color: #4A4A4A; }
    .ranking-item:nth-child(3) .ranking-num { background: #CD7F32; color: #5C3A1A; }
    .ranking-info { flex: 1; }
    .ranking-info h4 { font-size: 15px; font-weight: 600; margin: 0 0 4px; color: var(--text); }
    .ranking-info p { font-size: 13px; color: var(--text-muted); margin: 0; }
    .ranking-badge {
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        padding: 4px 12px;
        border-radius: 20px;
        white-space: nowrap;
    }

    /* 订阅区 */
    .subscribe-box {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        border-radius: var(--radius);
        padding: 36px 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
        color: #fff;
    }
    .subscribe-box h3 { font-size: 22px; font-weight: 700; margin: 0 0 6px; color: #fff; }
    .subscribe-box p { font-size: 14px; color: rgba(255,255,255,0.8); margin: 0; }
    .subscribe-form { display: flex; gap: 10px; flex-wrap: wrap; min-width: 280px; }
    .subscribe-form input {
        flex: 1;
        min-width: 200px;
        padding: 12px 18px;
        border-radius: var(--radius-sm);
        border: none;
        background: #fff;
        font-size: 14px;
        color: var(--text);
    }
    .subscribe-form input::placeholder { color: var(--text-muted); }
    .subscribe-form .btn { background: var(--accent); color: #fff; }
    .subscribe-form .btn:hover { background: #3DA5B3; box-shadow: 0 6px 16px rgba(72,181,195,0.5); }

    /* 相关阅读 */
    .related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .related-card {
        background: var(--surface);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        padding: 18px;
        display: flex;
        gap: 14px;
        align-items: center;
        transition: all var(--transition);
    }
    .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
    .related-card img {
        width: 80px;
        height: 80px;
        object-fit: cover;
        border-radius: var(--radius-sm);
        flex-shrink: 0;
    }
    .related-card h4 { font-size: 14px; font-weight: 600; margin: 0 0 4px; color: var(--text); line-height: 1.5; }
    .related-card p { font-size: 12px; color: var(--text-muted); margin: 0; }

    /* 标签 */
    .tag {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 20px;
        background: var(--primary-light);
        color: var(--primary);
        letter-spacing: 0.3px;
    }
    .tag-accent { background: var(--accent-soft); color: #2A8A96; }

    /* Footer */
    .site-footer {
        background: #2A3A4A;
        color: rgba(255,255,255,0.8);
        padding: 48px 0 0;
        margin-top: 0;
    }
    .site-footer .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
    .footer-grid { display: grid; grid-template-columns: 1.2fr 2fr; gap: 40px; padding-bottom: 36px; }
    .footer-brand { font-size: 22px; font-weight: 700; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
    .footer-brand i { color: var(--accent); }
    .footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 380px; }
    .footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: 0.5px; }
    .footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.7); padding: 6px 0; transition: color var(--transition); }
    .footer-col a:hover { color: var(--accent); }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding: 18px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
        font-size: 13px;
        color: rgba(255,255,255,0.55);
    }
    .footer-bottom a { color: rgba(255,255,255,0.7); font-size: 13px; }
    .footer-bottom a:hover { color: var(--accent); }

    /* Responsive */
    @media (max-width: 1024px) {
        :root { --section-gap: 56px; }
        .hot-grid { grid-template-columns: repeat(2, 1fr); }
        .tool-grid { grid-template-columns: repeat(2, 1fr); }
        .article-card { grid-template-columns: 220px 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    }
    @media (max-width: 768px) {
        :root { --section-gap: 40px; }
        .main-nav { display: none; }
        .nav-toggle { display: block; }
        .mobile-nav { display: block; }
        .article-card { grid-template-columns: 1fr; }
        .article-thumb { min-height: 180px; }
        .hot-grid { grid-template-columns: 1fr; }
        .tool-grid { grid-template-columns: 1fr 1fr; }
        .related-grid { grid-template-columns: 1fr; }
        .subscribe-box { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
        .subscribe-form { width: 100%; }
        .subscribe-form input { min-width: 100%; }
        .page-header h1 { font-size: 28px; }
        .section-title { font-size: 24px; }
        .footer-links { grid-template-columns: 1fr 1fr; }
        .breadcrumb-bar .container { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 520px) {
        .tool-grid { grid-template-columns: 1fr; }
        .footer-links { grid-template-columns: 1fr; }
        .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
        .article-body { padding: 18px; }
        .page-header { padding: 32px 0 28px; }
        .page-header h1 { font-size: 24px; }
        .ranking-item { flex-wrap: wrap; gap: 10px; }
        .ranking-badge { margin-left: auto; }
    }

/* roulang page: category3 */
:root {
            --primary: #33699F;
            --primary-dark: #285580;
            --primary-light: #E8F0F7;
            --accent: #48B5C3;
            --accent-soft: #E4F4F6;
            --bg: #F5F8FC;
            --surface: #FFFFFF;
            --text: #1F2D3D;
            --text-secondary: #4A5A6A;
            --text-muted: #6A7B8C;
            --border: #E9EEF5;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 6px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
            --section-gap: 64px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition: 0.25s ease;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: var(--section-gap) 0; }
        .section-alt { background: var(--surface); }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            color: var(--text);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 680px;
            line-height: 1.8;
        }
        /* Header */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
        }
        .logo:hover { color: var(--primary); }
        .logo i { color: var(--primary); margin-right: 6px; font-size: 20px; }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover { color: var(--primary); border-bottom-color: var(--accent); }
        .main-nav a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
        }
        .mobile-nav {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 12px 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav a:last-child { border-bottom: none; }
        .mobile-nav a.active { color: var(--primary); font-weight: 600; }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg);
            padding: 14px 0 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb-bar a { color: var(--text-muted); }
        .breadcrumb-bar a:hover { color: var(--primary); }
        .breadcrumb-bar .current {
            color: var(--text);
            font-weight: 600;
        }
        .breadcrumb-bar .separator { margin: 0 6px; color: var(--border); }
        .back-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
        }
        .back-link:hover { color: var(--primary-dark); }
        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 6px 16px rgba(51,105,159,0.3); transform: translateY(-2px); }
        .btn-secondary { background: var(--surface); color: var(--primary); border: 2px solid var(--primary); }
        .btn-secondary:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }
        .btn-sm { padding: 8px 18px; font-size: 13px; }
        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
            transition: all var(--transition);
        }
        .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .card-title { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
        .card-text { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
        /* Page Header */
        .page-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 40px 0 36px;
        }
        .page-header h1 {
            font-size: 34px;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--text);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .page-header .page-summary {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 760px;
            line-height: 1.85;
            margin: 0;
        }
        .page-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .page-meta span {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .page-meta i { color: var(--accent); }
        /* Featured Report */
        .featured-report {
            background: linear-gradient(135deg, #F5F8FC 0%, #EAF1F8 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 32px;
        }
        .featured-report .featured-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 0;
        }
        .featured-report .featured-content {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-report .featured-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            width: fit-content;
        }
        .featured-report .featured-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .featured-report .featured-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .featured-report .featured-img {
            min-height: 280px;
            background-size: cover;
            background-position: center;
        }
        /* Report List */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .report-item {
            display: grid;
            grid-template-columns: 240px 1fr;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .report-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .report-item .report-thumb {
            background-size: cover;
            background-position: center;
            min-height: 180px;
        }
        .report-item .report-body {
            padding: 22px 26px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .report-item .report-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 16px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .report-item .report-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .report-item .report-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }
        .report-item .report-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        /* Data Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            text-align: left;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .metric-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .metric-card .metric-icon {
            font-size: 22px;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .metric-card .metric-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-muted);
        }
        /* Archive */
        .archive-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .archive-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .archive-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .archive-item .archive-info {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .archive-item .archive-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
        }
        /* Subscribe */
        .subscribe-box {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 32px 36px;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 28px;
            align-items: center;
        }
        .subscribe-box .subscribe-info h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .subscribe-box .subscribe-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: var(--bg);
            color: var(--text);
            min-width: 0;
        }
        .subscribe-form input:focus {
            border-color: var(--primary);
            outline: none;
            background: #fff;
        }
        /* Related */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .related-card .related-thumb {
            height: 160px;
            background-size: cover;
            background-position: center;
        }
        .related-card .related-body {
            padding: 18px 20px;
        }
        .related-card .related-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .related-card .related-date {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* Footer */
        .site-footer {
            background: #2A3A4A;
            color: #fff;
            padding: 52px 0 28px;
            margin-top: 0;
        }
        .site-footer .container { position: relative; }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.1fr 1.6fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-brand i { color: var(--accent); font-size: 20px; }
        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            line-height: 1.75;
            max-width: 420px;
            margin: 0;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: #fff; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.65);
            font-size: 13px;
        }
        .footer-bottom a:hover { color: #fff; }
        .footer-bottom .sep { color: rgba(255,255,255,0.35); }
        /* Responsive */
        @media (max-width: 1024px) {
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .archive-grid { grid-template-columns: repeat(2, 1fr); }
            .featured-report .featured-grid { grid-template-columns: 1fr; }
            .featured-report .featured-img { min-height: 200px; }
        }
        @media (max-width: 768px) {
            :root { --section-gap: 48px; }
            .main-nav { display: none; }
            .nav-toggle { display: block; }
            .mobile-nav { display: block; }
            .mobile-nav.hidden-mobile { display: none; }
            .page-header h1 { font-size: 28px; }
            .report-item { grid-template-columns: 1fr; }
            .report-item .report-thumb { min-height: 180px; }
            .subscribe-box { grid-template-columns: 1fr; padding: 24px; }
            .subscribe-form { flex-direction: column; }
            .subscribe-form input { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-links { grid-template-columns: 1fr 1fr; }
            .metrics-grid { grid-template-columns: 1fr 1fr; }
            .related-grid { grid-template-columns: 1fr; }
            .archive-grid { grid-template-columns: 1fr; }
            .breadcrumb-bar .container { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .metrics-grid { grid-template-columns: 1fr; }
            .footer-links { grid-template-columns: 1fr; }
            .page-header { padding: 28px 0 24px; }
            .page-header h1 { font-size: 24px; }
            .section-title { font-size: 22px; }
            .btn { padding: 10px 20px; font-size: 14px; }
            .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
        }
        .hidden-mobile { display: none; }
        @media (min-width: 769px) {
            .hidden-mobile { display: none; }
        }

/* roulang page: category4 */
:root {
            --primary: #33699F;
            --primary-dark: #285580;
            --primary-light: #E8F0F7;
            --accent: #48B5C3;
            --accent-soft: #E4F4F6;
            --bg: #F5F8FC;
            --surface: #FFFFFF;
            --text: #1F2D3D;
            --text-secondary: #4A5A6A;
            --text-muted: #6A7B8C;
            --border: #E9EEF5;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 6px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
            --section-gap: 64px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            color: var(--text);
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 680px;
        }

        /* Header/Nav */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo i {
            color: var(--primary);
            margin-right: 6px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
        }
        .mobile-nav {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 12px 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            font-weight: 600;
            color: var(--text);
        }
        .breadcrumb .sep {
            color: #C0C8D4;
        }
        .breadcrumb-back {
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
        }
        .breadcrumb-back:hover {
            color: var(--primary-dark);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(51,105,159,0.3);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--surface);
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Page Header / Hero-like */
        .page-header {
            background: linear-gradient(135deg, #F5F8FC 0%, #EDF3F9 55%, #E8F0F7 100%);
            border-bottom: 1px solid var(--border);
            padding: 52px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .page-header::after {
            content: '';
            position: absolute;
            top: -100px;
            right: -50px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(72,181,195,0.08);
            pointer-events: none;
        }
        .page-header .container {
            position: relative;
            z-index: 1;
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .page-header p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }

        /* Vertical List Cards */
        .list-card {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 18px;
            transition: all var(--transition);
            margin-bottom: 18px;
            align-items: center;
        }
        .list-card:last-child {
            margin-bottom: 0;
        }
        .list-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #D5E2F0;
        }
        .list-card-img {
            flex: 0 0 200px;
            width: 200px;
            height: 140px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--primary-light);
        }
        .list-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .list-card-body {
            flex: 1;
            min-width: 0;
        }
        .list-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .list-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .list-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .list-card-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .list-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .list-card-meta i {
            color: var(--accent);
            font-size: 13px;
        }

        /* Tools Grid */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .tool-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 22px;
            text-align: center;
            transition: all var(--transition);
            cursor: default;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #D5E2F0;
        }
        .tool-card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 14px;
        }
        .tool-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .tool-card-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Focus Teams */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .focus-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .focus-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .focus-card-img {
            height: 170px;
            overflow: hidden;
        }
        .focus-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .focus-card:hover .focus-card-img img {
            transform: scale(1.03);
        }
        .focus-card-body {
            padding: 20px;
        }
        .focus-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 8px;
        }
        .focus-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .focus-card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Table/Ranking */
        .ranking-list {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .ranking-row {
            display: flex;
            align-items: center;
            padding: 16px 22px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
            gap: 16px;
        }
        .ranking-row:last-child {
            border-bottom: none;
        }
        .ranking-row:hover {
            background: #F9FBFE;
        }
        .ranking-number {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            width: 40px;
            flex-shrink: 0;
            text-align: center;
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }
        .ranking-detail {
            font-size: 13px;
            color: var(--text-muted);
        }
        .ranking-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
        }

        /* Update / Subscribe */
        .update-banner {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .update-info {
            flex: 1;
            min-width: 260px;
        }
        .update-info h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .update-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .update-action {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Related Articles */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 18px;
            transition: all var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .related-card-img {
            height: 120px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 12px;
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-card-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 6px;
        }
        .related-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 4px;
        }
        .related-card-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: #2A3A4A;
            color: #E8EDF3;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-brand i {
            color: var(--accent);
            margin-right: 6px;
        }
        .footer-desc {
            font-size: 14px;
            color: #B8C4D2;
            line-height: 1.8;
            max-width: 420px;
            margin: 0;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #B8C4D2;
            padding: 6px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #9AA9BB;
        }
        .footer-bottom a {
            color: #B8C4D2;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .focus-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }
            .site-header .container {
                height: 58px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-nav.show {
                display: block;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .page-header h1 {
                font-size: 30px;
            }
            .page-header p {
                font-size: 15px;
            }
            .list-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .list-card-img {
                flex: none;
                width: 100%;
                height: 180px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .focus-grid {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .ranking-row {
                padding: 14px 16px;
                gap: 10px;
            }
            .ranking-number {
                font-size: 18px;
                width: 30px;
            }
            .update-banner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .breadcrumb-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .list-card-img {
                height: 150px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .update-action {
                width: 100%;
                flex-direction: column;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #33699F;
            --primary-dark: #285580;
            --primary-light: #E8F0F7;
            --accent: #48B5C3;
            --accent-soft: #E4F4F6;
            --bg: #F5F8FC;
            --surface: #FFFFFF;
            --text: #1F2D3D;
            --text-secondary: #4A5A6A;
            --text-muted: #6A7B8C;
            --border: #E9EEF5;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 6px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
            --section-gap: 72px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            margin: 0;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--surface);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
            color: var(--text);
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 680px;
            line-height: 1.75;
        }

        /* Header/Nav */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0,0,0,0.03);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo i {
            color: var(--primary);
            margin-right: 6px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 8px;
        }
        .mobile-nav {
            display: none;
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 12px 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* Breadcrumb */
        .breadcrumb {
            font-size: 13px;
            color: var(--text-muted);
            padding: 12px 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            font-weight: 600;
            color: var(--text-secondary);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            margin: 0 4px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(51,105,159,0.3);
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: var(--surface);
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 24px;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Hero / Page Header */
        .page-header {
            padding: 42px 0 30px;
            background: linear-gradient(135deg, #F5F8FC 0%, #EDF3F9 55%, #E8F0F7 100%);
            border-bottom: 1px solid var(--border);
        }
        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--text);
            letter-spacing: 0.3px;
            line-height: 1.35;
        }
        .page-header .header-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }

        /* List Card (Vertical) */
        .list-card-horizontal {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 18px;
            transition: all var(--transition);
            margin-bottom: 20px;
        }
        .list-card-horizontal:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .list-card-img {
            width: 180px;
            height: 135px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--primary-light);
            flex-shrink: 0;
        }
        .list-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .list-card-horizontal:hover .list-card-img img {
            transform: scale(1.05);
        }
        .list-card-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .list-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .list-card-summary {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-card-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .list-card-meta .badge {
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 500;
            font-size: 12px;
        }

        /* Schedule Table */
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            font-size: 14px;
        }
        .schedule-table th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
        }
        .schedule-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
            vertical-align: middle;
        }
        .schedule-table tr:last-child td {
            border-bottom: none;
        }
        .schedule-table tr:hover td {
            background: var(--primary-light);
        }
        .schedule-table .team-name {
            font-weight: 600;
            color: var(--text);
        }
        .schedule-table .score {
            font-weight: 700;
            color: var(--primary);
            font-size: 15px;
        }
        .schedule-table .status-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
        }
        .status-badge.upcoming {
            background: var(--accent-soft);
            color: var(--primary-dark);
        }
        .status-badge.finished {
            background: #F0F2F5;
            color: var(--text-muted);
        }

        /* Stat Blocks */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Section Divider */
        .section-divider {
            height: 1px;
            background: var(--border);
            margin: 0;
            border: none;
        }

        /* Timeline */
        .timeline-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .timeline-list li {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
        }
        .timeline-list li:last-child {
            border-bottom: none;
        }
        .timeline-date {
            font-size: 13px;
            color: var(--text-muted);
            min-width: 90px;
            padding-top: 2px;
        }
        .timeline-body {
            flex: 1;
        }
        .timeline-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
        }
        .timeline-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Tags */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }
        .tag:hover {
            background: var(--accent-soft);
            color: var(--primary-dark);
        }

        /* Footer */
        .site-footer {
            background: #2A3A4A;
            color: rgba(255,255,255,0.85);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .site-footer .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-brand i {
            color: var(--accent);
            margin-right: 6px;
        }
        .footer-desc {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            max-width: 380px;
            margin: 0;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255,255,255,0.65);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            align-items: center;
            justify-content: flex-start;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.65);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-links {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-nav.show {
                display: block;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .section {
                padding: 48px 0;
            }
            .list-card-horizontal {
                grid-template-columns: 1fr;
                padding: 16px;
            }
            .list-card-img {
                width: 100%;
                height: 180px;
            }
            .schedule-table {
                font-size: 12px;
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
            .schedule-table th,
            .schedule-table td {
                padding: 10px 12px;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-number {
                font-size: 22px;
            }
            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .logo {
                font-size: 18px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .page-header .header-desc {
                font-size: 14px;
            }
            .section-title {
                font-size: 20px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
                width: 100%;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 14px;
            }
            .stat-number {
                font-size: 20px;
            }
            .footer-links {
                grid-template-columns: 1fr;
            }
            .timeline-list li {
                flex-direction: column;
                gap: 4px;
            }
            .timeline-date {
                min-width: auto;
            }
        }