/* roulang page: index */
:root {
            --primary: #1E6FD9;
            --primary-dark: #1557C4;
            --primary-deep: #0F2A5A;
            --accent: #F59E0B;
            --accent-soft: #FFF3D6;
            --bg-page: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-section-alt: #EAF1FB;
            --bg-section-light: #F0F5FD;
            --text-main: #1F2733;
            --text-secondary: #5B6675;
            --text-muted: #8794A3;
            --border-light: #E6EFFA;
            --border-focus: #1E6FD9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 30px rgba(30, 111, 217, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(30, 111, 217, 0.16);
            --shadow-btn: 0 6px 18px rgba(30, 111, 217, 0.28);
            --space-section: 72px;
            --space-section-mobile: 44px;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(30, 111, 217, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .nav-side {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-side.left {
            justify-content: flex-end;
        }
        .nav-side.right {
            justify-content: flex-start;
        }
        .logo-area {
            flex-shrink: 0;
            padding: 0 12px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary-deep);
            letter-spacing: 1px;
            text-decoration: none;
            white-space: nowrap;
        }
        .logo-link:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            flex-shrink: 0;
        }
        .logo-dot.accent-dot {
            background: var(--accent);
            width: 7px;
            height: 7px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-section-light);
            text-decoration: none;
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--bg-section-alt);
            font-weight: 600;
        }
        .mobile-burger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
        }
        .mobile-burger:hover {
            background: var(--bg-section-light);
        }
        .mobile-burger svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 20px 40px rgba(30, 111, 217, 0.12);
            padding: 16px 24px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 16px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            text-decoration: none;
            border: 1px solid transparent;
            transition: all 0.25s ease;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(30, 111, 217, 0.35);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(30, 111, 217, 0.22);
        }
        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: var(--bg-section-alt);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 111, 217, 0.18);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 10px;
        }
        .btn-lg {
            padding: 14px 34px;
            font-size: 17px;
            border-radius: 14px;
        }

        /* ===== Section Base ===== */
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-light {
            background: var(--bg-section-light);
        }
        .section-white {
            background: #fff;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.center {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .section-header.center .section-subtitle {
            text-align: center;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 28px;
            transition: all 0.3s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #D0E2F9;
            transform: translateY(-3px);
        }
        .card-stat {
            text-align: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 22px 16px;
            transition: all 0.3s ease;
        }
        .card-stat:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #C5DAF5;
        }

        /* ===== Hero ===== */
        .hero-section {
            padding-top: 40px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, #F0F5FD 0%, #F5F7FB 100%);
            border-bottom: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .hero-bg-pattern {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/dbc00dc80d0d783b.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            pointer-events: none;
            -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.8), transparent);
            mask-image: linear-gradient(to left, rgba(0,0,0,0.8), transparent);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(30, 111, 217, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
            border: 1px solid rgba(30, 111, 217, 0.2);
        }
        .hero-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 560px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .hero-stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin-top: 8px;
        }
        .hero-stat {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(8px);
            border-radius: 14px;
            padding: 18px 14px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 16px rgba(30, 111, 217, 0.06);
        }
        .hero-stat-value {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Data Topic Entry ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .topic-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #C5DAF5;
        }
        .topic-card-img {
            height: 140px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .topic-card-img .topic-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 42, 90, 0.75);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .topic-card-body {
            padding: 18px 20px 20px;
        }
        .topic-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .topic-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Service Matrix ===== */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 28px 28px 24px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #C5DAF5;
            transform: translateY(-3px);
        }
        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--bg-section-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--primary);
            font-weight: 700;
            font-size: 18px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex-grow: 1;
        }
        .service-card .service-link {
            margin-top: 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
        }
        .service-card .service-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* ===== Comparison ===== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .comparison-panel {
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
        }
        .comparison-panel.traditional {
            background: #F8FAFD;
            border-color: #E8EFF7;
        }
        .comparison-panel.kanqiutong {
            background: #FFFFFF;
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
            border-width: 2px;
        }
        .comparison-panel h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comparison-panel ul {
            list-style: none;
            padding: 0;
        }
        .comparison-panel li {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid rgba(30, 111, 217, 0.06);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .comparison-panel li:last-child {
            border-bottom: none;
        }
        .comparison-panel .icon-check {
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .comparison-panel .icon-x {
            color: #C0CAD6;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        /* ===== Brand Intro ===== */
        .brand-intro-section {
            background: #F0F5FD;
            border-radius: var(--radius-xl);
            padding: 48px 48px;
            margin-top: var(--space-section);
            margin-bottom: var(--space-section);
        }
        .brand-intro-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .brand-intro-section p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .brand-intro-section p:last-child {
            margin-bottom: 0;
        }

        /* ===== Milestone ===== */
        .milestone-row {
            display: flex;
            gap: 0;
            justify-content: space-between;
            align-items: stretch;
            position: relative;
            padding-top: 12px;
        }
        .milestone-row::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #C5DAF5, var(--primary), #C5DAF5);
            border-radius: 2px;
        }
        .milestone-item {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .milestone-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 2px 8px rgba(30, 111, 217, 0.3);
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }
        .milestone-year {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .milestone-text {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            transition: all 0.3s ease;
            align-items: center;
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #C5DAF5;
            transform: translateY(-2px);
        }
        .news-item-body {
            flex: 1;
        }
        .news-item-body h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .news-item-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .news-item-img {
            width: 100px;
            height: 70px;
            border-radius: 10px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .news-more {
            text-align: center;
            margin-top: 28px;
        }

        /* ===== Platform Assurance ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .assurance-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .assurance-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .assurance-icon {
            font-size: 28px;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .assurance-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .assurance-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* ===== Quick Answers ===== */
        .quick-answer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .quick-answer-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 18px 22px;
            transition: all 0.3s ease;
        }
        .quick-answer-card:hover {
            border-color: #C5DAF5;
            background: #FDFEFF;
        }
        .quick-answer-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .quick-answer-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: #C5DAF5;
            box-shadow: 0 4px 16px rgba(30, 111, 217, 0.06);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            line-height: 1.45;
            transition: color 0.2s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
            animation: fadeIn 0.3s ease;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-6px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ===== CTA Form ===== */
        .cta-form-section {
            background: var(--bg-section-alt);
            border-radius: var(--radius-xl);
            padding: 48px 48px;
            margin-top: var(--space-section);
            margin-bottom: var(--space-section);
            border: 1px solid #D0E2F9;
        }
        .cta-form-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            max-width: 640px;
            margin-top: 24px;
        }
        .cta-form-input {
            flex: 1;
            min-width: 220px;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            border: 1px solid #D0E2F9;
            background: #fff;
            font-size: 15px;
            color: var(--text-main);
            outline: none;
            transition: all 0.25s ease;
        }
        .cta-form-input:focus {
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.12);
        }
        .cta-form-input::placeholder {
            color: var(--text-muted);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            color: #AFC6E8;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: #AFC6E8;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            color: #AFC6E8;
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(175, 198, 232, 0.2);
            padding-top: 20px;
            font-size: 13px;
            color: #8FA8CD;
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-answer-grid {
                grid-template-columns: 1fr;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .brand-intro-section,
            .cta-form-section {
                padding: 36px 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 44px;
                --space-section-mobile: 28px;
                --nav-height: 62px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-side {
                display: none;
            }
            .logo-area {
                margin: 0 auto;
                padding: 0;
            }
            .mobile-burger {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .logo-link {
                font-size: 18px;
            }
            .hero-title {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .hero-stat-value {
                font-size: 22px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .assurance-grid {
                grid-template-columns: 1fr;
            }
            .milestone-row {
                flex-direction: column;
                gap: 20px;
            }
            .milestone-row::before {
                display: none;
            }
            .milestone-item {
                padding: 0;
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
            }
            .milestone-dot {
                margin: 0;
                flex-shrink: 0;
            }
            .milestone-year {
                margin-bottom: 2px;
            }
            .news-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }
            .news-item-img {
                width: 100%;
                height: 120px;
                order: -1;
            }
            .cta-form-wrapper {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form-input {
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-intro-section,
            .cta-form-section {
                padding: 24px 20px;
                border-radius: var(--radius-lg);
            }
            .service-grid {
                gap: 16px;
            }
            .comparison-wrapper {
                gap: 16px;
            }
            .comparison-panel {
                padding: 20px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-bg-pattern {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .hero-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-stat {
                padding: 14px 10px;
            }
            .hero-stat-value {
                font-size: 20px;
            }
            .hero-stat-label {
                font-size: 11px;
            }
            .section-title {
                font-size: 20px;
            }
            .hero-title {
                font-size: 22px;
            }
            .card-stat {
                padding: 16px 12px;
            }
            .news-item {
                padding: 14px;
            }
            .news-item-img {
                height: 100px;
            }
            .topic-card-img {
                height: 110px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E6FD9;
            --primary-dark: #1557C4;
            --primary-deep: #0F2A5A;
            --accent: #F59E0B;
            --accent-soft: #FFF3D6;
            --bg-page: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-section-alt: #EAF1FB;
            --bg-section-light: #F0F5FD;
            --text-main: #1F2733;
            --text-secondary: #5B6675;
            --text-muted: #8794A3;
            --border-light: #E6EFFA;
            --border-focus: #1E6FD9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 30px rgba(30, 111, 217, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(30, 111, 217, 0.16);
            --shadow-btn: 0 6px 18px rgba(30, 111, 217, 0.28);
            --space-section: 72px;
            --space-section-mobile: 44px;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 44px;
                --space-section-mobile: 28px;
                --nav-height: 62px;
            }
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border 0.2s ease;
        }

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(30, 111, 217, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .nav-side {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }

        .nav-side.left {
            justify-content: flex-end;
        }

        .nav-side.right {
            justify-content: flex-start;
        }

        .logo-area {
            flex-shrink: 0;
            padding: 0 12px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary-deep);
            letter-spacing: 1px;
            text-decoration: none;
            white-space: nowrap;
        }

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

        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            flex-shrink: 0;
        }

        .logo-dot.accent-dot {
            background: var(--accent);
            width: 7px;
            height: 7px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-section-light);
            text-decoration: none;
        }

        .nav-link.active {
            color: var(--primary);
            background: var(--bg-section-alt);
            font-weight: 600;
        }

        .mobile-burger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
        }

        .mobile-burger:hover {
            background: var(--bg-section-light);
        }

        .mobile-burger svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 20px 40px rgba(30, 111, 217, 0.12);
            padding: 16px 24px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 16px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all 0.25s ease;
            border: none;
            text-decoration: none;
            line-height: 1.4;
        }

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

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(30, 111, 217, 0.32);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--bg-section-alt);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: 16px 0 8px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .breadcrumb .separator {
            color: var(--text-muted);
        }

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

        /* ===== Page Header ===== */
        .page-header {
            padding: 28px 0 32px;
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--primary-deep);
            margin-bottom: 12px;
        }

        .page-header .subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        /* ===== Section Base ===== */
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

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

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        /* ===== Score Cards ===== */
        .score-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .score-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            display: grid;
            grid-template-columns: 110px 1fr auto 1fr 100px;
            align-items: center;
            gap: 16px;
            transition: all 0.25s ease;
        }

        .score-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .score-time {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .score-time .date {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 400;
            margin-top: 2px;
        }

        .score-team {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }

        .score-team.home {
            text-align: right;
        }

        .score-team.away {
            text-align: left;
        }

        .score-center {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        .score-number {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: 1px;
            min-width: 36px;
            text-align: center;
        }

        .score-vs {
            font-size: 14px;
            color: var(--text-muted);
        }

        .score-status {
            text-align: center;
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .status-live {
            background: #FFF3D6;
            color: #B45309;
        }

        .status-upcoming {
            background: #EAF1FB;
            color: var(--primary);
        }

        .status-finished {
            background: #F0F5FD;
            color: var(--text-secondary);
        }

        .score-league {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            white-space: nowrap;
        }

        /* ===== Featured Match Cards ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .featured-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

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

        .featured-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--bg-section-alt);
        }

        .featured-body {
            padding: 14px 16px;
        }

        .featured-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .featured-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .featured-status {
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 999px;
            background: #FFF3D6;
            color: #B45309;
        }

        .featured-status.upcoming {
            background: #EAF1FB;
            color: var(--primary);
        }

        /* ===== Info Banner ===== */
        .info-banner {
            background: linear-gradient(135deg, var(--bg-section-alt) 0%, var(--bg-section-light) 100%);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .info-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
        }

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

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

        /* ===== Subscribe Box ===== */
        .subscribe-box {
            background: var(--primary-deep);
            border-radius: var(--radius-xl);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }

        .subscribe-box h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .subscribe-box p {
            font-size: 15px;
            color: #AFC6E8;
            line-height: 1.6;
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            padding: 12px 18px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            min-width: 260px;
            transition: all 0.2s;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
        }

        .subscribe-form .btn-primary {
            background: var(--accent);
            color: var(--primary-deep);
            box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
        }

        .subscribe-form .btn-primary:hover {
            background: #E8940A;
            color: #fff;
            box-shadow: 0 10px 24px rgba(245, 158, 11, 0.4);
        }

        /* ===== Article List ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .article-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            box-shadow: 0 2px 8px rgba(30, 111, 217, 0.04);
            transition: all 0.25s ease;
            align-items: center;
        }

        .article-item:hover {
            box-shadow: var(--shadow-card);
            border-color: var(--primary);
        }

        .article-thumb {
            width: 80px;
            height: 56px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--bg-section-alt);
        }

        .article-body h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .article-body .article-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.2s;
        }

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

        .faq-item summary {
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            font-weight: 400;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            animation: fadeIn 0.25s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            color: #fff;
            padding: 48px 0 28px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 10px;
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: #AFC6E8;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

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

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

        .footer-col ul li a {
            color: #AFC6E8;
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            font-size: 13px;
            color: #AFC6E8;
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            .mobile-burger {
                display: block;
            }

            .nav-side {
                display: none;
            }

            .logo-area {
                padding: 0;
            }

            .header-inner {
                gap: 8px;
                padding-left: 12px;
                padding-right: 12px;
            }

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

            .score-card {
                grid-template-columns: 1fr;
                gap: 8px;
                text-align: center;
                padding: 16px;
            }

            .score-time,
            .score-team,
            .score-league {
                text-align: center;
            }

            .score-team.home,
            .score-team.away {
                text-align: center;
            }

            .score-center {
                justify-content: center;
            }

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

            .info-banner {
                flex-direction: column;
                padding: 20px;
            }

            .subscribe-box {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }

            .subscribe-form {
                flex-direction: column;
                width: 100%;
            }

            .subscribe-form input {
                min-width: 100%;
            }

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

            .site-footer {
                padding: 36px 0 20px;
            }

            .section {
                padding-top: var(--space-section-mobile);
                padding-bottom: var(--space-section-mobile);
            }

            .article-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .article-thumb {
                width: 100%;
                height: 140px;
            }
        }

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

            .score-number {
                font-size: 22px;
                min-width: 28px;
            }

            .page-header h1 {
                font-size: 24px;
            }

            .section-title {
                font-size: 20px;
            }

            .subscribe-box h2 {
                font-size: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1E6FD9;
            --primary-dark: #1557C4;
            --primary-deep: #0F2A5A;
            --accent: #F59E0B;
            --accent-soft: #FFF3D6;
            --bg-page: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-section-alt: #EAF1FB;
            --bg-section-light: #F0F5FD;
            --text-main: #1F2733;
            --text-secondary: #5B6675;
            --text-muted: #8794A3;
            --border-light: #E6EFFA;
            --border-focus: #1E6FD9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 30px rgba(30, 111, 217, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(30, 111, 217, 0.16);
            --shadow-btn: 0 6px 18px rgba(30, 111, 217, 0.28);
            --space-section: 72px;
            --space-section-mobile: 44px;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        @media (max-width: 640px) {
            :root {
                --space-section: 44px;
                --space-section-mobile: 28px;
                --nav-height: 62px;
            }
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border 0.2s ease;
        }

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(30, 111, 217, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .nav-side {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }

        .nav-side.left {
            justify-content: flex-end;
        }

        .nav-side.right {
            justify-content: flex-start;
        }

        .logo-area {
            flex-shrink: 0;
            padding: 0 12px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary-deep);
            letter-spacing: 1px;
            text-decoration: none;
            white-space: nowrap;
        }

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

        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            flex-shrink: 0;
        }

        .logo-dot.accent-dot {
            background: var(--accent);
            width: 7px;
            height: 7px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-section-light);
            text-decoration: none;
        }

        .nav-link.active {
            color: var(--primary);
            background: var(--bg-section-alt);
            font-weight: 600;
        }

        .mobile-burger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
        }

        .mobile-burger:hover {
            background: var(--bg-section-light);
        }

        .mobile-burger svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 20px 40px rgba(30, 111, 217, 0.12);
            padding: 16px 24px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 16px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            text-decoration: none;
            white-space: nowrap;
        }

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

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(30, 111, 217, 0.32);
        }

        .btn-primary:focus {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(30, 111, 217, 0.22);
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border-color: #D5E3F5;
        }

        .btn-secondary:hover {
            background: var(--bg-section-alt);
            color: var(--primary-dark);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

        .card-hover:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: #BBD3F2;
            transform: translateY(-2px);
        }

        /* ===== Section ===== */
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        @media (max-width: 640px) {
            .section {
                padding-top: var(--space-section-mobile);
                padding-bottom: var(--space-section-mobile);
            }
        }

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

        .section-light {
            background: var(--bg-section-light);
        }

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

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

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

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

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

        /* ===== Filter Panel ===== */
        .filter-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            padding: 20px;
            position: sticky;
            top: calc(var(--nav-height) + 24px);
        }

        @media (max-width: 768px) {
            .filter-panel {
                position: static;
                margin-bottom: 16px;
            }
        }

        .filter-group-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.2s ease;
            border: 1px solid var(--border-light);
            background: #fff;
            color: var(--text-secondary);
            margin: 0 4px 6px 0;
            user-select: none;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-section-light);
        }

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

        .filter-select {
            width: 100%;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: #fff;
            font-size: 14px;
            color: var(--text-main);
            cursor: pointer;
            transition: border 0.2s ease;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--border-focus);
        }

        /* ===== Schedule List ===== */
        .schedule-item {
            display: flex;
            align-items: center;
            padding: 16px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all 0.25s ease;
            gap: 16px;
            margin-bottom: 10px;
        }

        .schedule-item:hover {
            box-shadow: var(--shadow-card);
            border-color: #BBD3F2;
        }

        .schedule-time {
            min-width: 72px;
            text-align: center;
        }

        .schedule-time .date {
            font-size: 13px;
            color: var(--text-secondary);
            display: block;
            line-height: 1.3;
        }

        .schedule-time .time {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-deep);
            line-height: 1.2;
            display: block;
        }

        .schedule-league-badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            background: var(--bg-section-alt);
            color: var(--primary-dark);
            white-space: nowrap;
        }

        .schedule-teams {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
        }

        .schedule-venue {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .status-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            white-space: nowrap;
        }

        .status-tag.upcoming {
            background: #E8F0FD;
            color: var(--primary-dark);
        }

        .status-tag.soon {
            background: var(--accent-soft);
            color: #B45309;
        }

        .status-tag.pending {
            background: #F3F4F6;
            color: var(--text-secondary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 48px;
            padding-bottom: 24px;
            margin-top: 0;
        }

        .site-footer .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

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

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

        .footer-col ul li a {
            color: #AFC6E8;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            text-align: center;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            margin-bottom: 10px;
            overflow: hidden;
        }

        .faq-item summary {
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-main);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background 0.2s ease;
        }

        .faq-item summary:hover {
            background: var(--bg-section-light);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            font-weight: 400;
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .faq-body {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Form ===== */
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid #D5E3F5;
            background: #fff;
            font-size: 14px;
            color: var(--text-main);
            transition: border 0.2s ease, box-shadow 0.2s ease;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.12);
        }

        .form-input::placeholder {
            color: var(--text-muted);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-side {
                gap: 4px;
            }
            .nav-link {
                padding: 8px 12px;
                font-size: 14px;
            }
            .logo-link {
                font-size: 20px;
            }
        }

        @media (max-width: 768px) {
            .mobile-burger {
                display: block;
            }
            .nav-side {
                display: none;
            }
            .header-inner {
                justify-content: space-between;
            }
            .logo-area {
                padding: 0;
                margin-left: auto;
                margin-right: auto;
            }
            .mobile-burger {
                order: -1;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .schedule-time {
                min-width: 60px;
            }
            .schedule-teams {
                font-size: 14px;
            }
            .filter-panel {
                padding: 16px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                padding-left: 12px;
                padding-right: 12px;
            }
            .site-header {
                height: 58px;
            }
            :root {
                --nav-height: 58px;
            }
            .logo-link {
                font-size: 18px;
                gap: 6px;
            }
            .logo-dot {
                width: 8px;
                height: 8px;
            }
            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .schedule-time {
                display: flex;
                align-items: baseline;
                gap: 8px;
            }
            .schedule-time .date {
                font-size: 12px;
            }
            .schedule-time .time {
                font-size: 18px;
            }
            .btn {
                padding: 8px 18px;
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1E6FD9;
            --primary-dark: #1557C4;
            --primary-deep: #0F2A5A;
            --accent: #F59E0B;
            --accent-soft: #FFF3D6;
            --bg-page: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-section-alt: #EAF1FB;
            --bg-section-light: #F0F5FD;
            --text-main: #1F2733;
            --text-secondary: #5B6675;
            --text-muted: #8794A3;
            --border-light: #E6EFFA;
            --border-focus: #1E6FD9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 30px rgba(30, 111, 217, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(30, 111, 217, 0.16);
            --shadow-btn: 0 6px 18px rgba(30, 111, 217, 0.28);
            --space-section: 72px;
            --space-section-mobile: 44px;
            --container-max: 1200px;
            --nav-height: 72px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border 0.2s ease;
        }

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

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(30, 111, 217, 0.06);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .nav-side {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }

        .nav-side.left {
            justify-content: flex-end;
        }

        .nav-side.right {
            justify-content: flex-start;
        }

        .logo-area {
            flex-shrink: 0;
            padding: 0 12px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary-deep);
            letter-spacing: 1px;
            text-decoration: none;
            white-space: nowrap;
        }

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

        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            flex-shrink: 0;
        }

        .logo-dot.accent-dot {
            background: var(--accent);
            width: 7px;
            height: 7px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-section-light);
            text-decoration: none;
        }

        .nav-link.active {
            color: var(--primary);
            background: var(--bg-section-alt);
            font-weight: 600;
        }

        .mobile-burger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
        }

        .mobile-burger:hover {
            background: var(--bg-section-light);
        }

        .mobile-burger svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 20px 40px rgba(30, 111, 217, 0.12);
            padding: 16px 24px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 16px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.25s ease;
            font-size: 15px;
            line-height: 1.5;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(30, 111, 217, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:focus {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border-focus);
        }

        .btn-secondary:hover {
            background: var(--bg-section-alt);
            color: var(--primary-dark);
            text-decoration: none;
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
        }

        /* Section通用 */
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

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

        .section-light {
            background: var(--bg-section-light);
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 640px;
        }

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

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .breadcrumb .separator {
            color: var(--text-muted);
        }

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

        /* 卡片通用 */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

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

        /* 球队卡片 */
        .team-card {
            display: flex;
            flex-direction: column;
            overflow: hidden;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: all 0.3s ease;
        }

        .team-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .team-card-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }

        .team-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .team-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .team-card-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
        }

        .team-card-league {
            display: inline-block;
            padding: 3px 12px;
            background: var(--bg-section-alt);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            white-space: nowrap;
        }

        .team-card-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin-top: 4px;
        }

        .team-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .team-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .team-stat-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
        }

        /* 排行卡片 */
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
        }

        .rank-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateX(4px);
        }

        .rank-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .rank-number.top1 {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            font-weight: 600;
            font-size: 16px;
            color: var(--text-main);
        }

        .rank-league {
            font-size: 13px;
            color: var(--text-muted);
        }

        .rank-score {
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            white-space: nowrap;
        }

        /* 数据字段说明 */
        .field-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .field-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .field-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .field-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--bg-section-alt);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .field-name {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .field-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 资讯列表 */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            align-items: center;
        }

        .news-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .news-content {
            flex: 1;
        }

        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-tag {
            display: inline-block;
            padding: 2px 10px;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 500;
            border-radius: 16px;
            margin-bottom: 8px;
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .news-image {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }

        /* CTA 表单 */
        .cta-card {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }

        .cta-form {
            display: flex;
            gap: 12px;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            font-size: 15px;
            background: #fff;
            color: var(--text-main);
            transition: border 0.2s ease, box-shadow 0.2s ease;
            line-height: 1.5;
        }

        .cta-input:focus {
            outline: none;
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.15);
        }

        .cta-input::placeholder {
            color: var(--text-muted);
        }

        .cta-btn {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            box-shadow: var(--shadow-btn);
            transition: all 0.25s ease;
            white-space: nowrap;
            line-height: 1.5;
        }

        .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(30, 111, 217, 0.35);
        }

        .cta-btn:active {
            transform: translateY(0);
        }

        .cta-btn:focus {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
        }

        /* 联赛筛选 Tab */
        .league-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .league-tab {
            padding: 8px 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .league-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

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

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            color: #fff;
            padding: 56px 24px 32px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #AFC6E8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            color: #AFC6E8;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            font-size: 14px;
            color: #AFC6E8;
            text-align: center;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-side {
                gap: 4px;
            }
            .nav-link {
                padding: 8px 10px;
                font-size: 14px;
            }
            .logo-link {
                font-size: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .cta-card {
                padding: 32px 24px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 44px;
                --nav-height: 62px;
            }

            .nav-side {
                display: none;
            }

            .mobile-burger {
                display: block;
            }

            .header-inner {
                justify-content: space-between;
                gap: 8px;
                padding-left: 16px;
                padding-right: 16px;
            }

            .logo-area {
                padding: 0;
            }

            .logo-link {
                font-size: 20px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-title {
                font-size: 24px;
            }

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

            .team-card-stats {
                grid-template-columns: 1fr;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }

            .news-image {
                width: 100%;
                height: 160px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-input {
                min-width: auto;
                width: 100%;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .rank-item {
                padding: 12px 16px;
                gap: 12px;
            }

            .rank-score {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding-top: 32px;
                padding-bottom: 32px;
            }

            .section-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 15px;
                margin-bottom: 20px;
            }

            .team-card-name {
                font-size: 18px;
            }

            .logo-link {
                font-size: 18px;
                gap: 5px;
            }

            .logo-dot {
                width: 8px;
                height: 8px;
            }

            .logo-dot.accent-dot {
                width: 6px;
                height: 6px;
            }

            .breadcrumb {
                font-size: 13px;
                gap: 6px;
            }

            .league-tab {
                padding: 6px 14px;
                font-size: 13px;
            }

            .cta-card {
                padding: 24px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E6FD9;
            --primary-dark: #1557C4;
            --primary-deep: #0F2A5A;
            --accent: #F59E0B;
            --accent-soft: #FFF3D6;
            --bg-page: #F5F7FB;
            --bg-card: #FFFFFF;
            --bg-section-alt: #EAF1FB;
            --bg-section-light: #F0F5FD;
            --text-main: #1F2733;
            --text-secondary: #5B6675;
            --text-muted: #8794A3;
            --border-light: #E6EFFA;
            --border-focus: #1E6FD9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 30px rgba(30, 111, 217, 0.08);
            --shadow-card-hover: 0 14px 40px rgba(30, 111, 217, 0.16);
            --shadow-btn: 0 6px 18px rgba(30, 111, 217, 0.28);
            --space-section: 72px;
            --space-section-mobile: 44px;
            --container-max: 1200px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, border 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 12px rgba(30, 111, 217, 0.06);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .nav-side {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            min-width: 0;
        }

        .nav-side.left {
            justify-content: flex-end;
        }

        .nav-side.right {
            justify-content: flex-start;
        }

        .logo-area {
            flex-shrink: 0;
            padding: 0 8px;
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 22px;
            color: var(--primary-deep);
            letter-spacing: 1px;
            text-decoration: none;
            white-space: nowrap;
            transition: color 0.2s ease;
        }

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

        .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
            flex-shrink: 0;
            transition: transform 0.2s ease;
        }

        .logo-link:hover .logo-dot {
            transform: scale(1.2);
        }

        .logo-dot.accent-dot {
            background: var(--accent);
            width: 7px;
            height: 7px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-section-light);
            text-decoration: none;
        }

        .nav-link.active {
            color: var(--primary);
            background: var(--bg-section-alt);
            font-weight: 600;
        }

        .mobile-burger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: var(--radius-sm);
            color: var(--text-main);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .mobile-burger:hover {
            background: var(--bg-section-light);
            color: var(--primary);
        }

        .mobile-burger svg {
            width: 24px;
            height: 24px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
            display: block;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 20px 40px rgba(30, 111, 217, 0.12);
            padding: 16px 24px 24px;
            z-index: 49;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        .mobile-menu .nav-link:hover {
            background: var(--bg-section-light);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            border: none;
            text-decoration: none;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(30, 111, 217, 0.32);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-btn);
        }

        .btn-secondary {
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--bg-section-alt);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 111, 217, 0.12);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            border-radius: var(--radius-lg);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .breadcrumb .separator {
            color: var(--text-muted);
            user-select: none;
            font-size: 12px;
        }

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

        /* ===== Card base ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .card-interactive {
            cursor: pointer;
        }

        .card-interactive:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        /* ===== Section ===== */
        .section {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

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

        .section-light {
            background-color: var(--bg-section-light);
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--bg-section-alt);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            line-height: 1.4;
            white-space: nowrap;
        }

        .badge-blue {
            background: var(--bg-section-alt);
            color: var(--primary);
        }

        .badge-orange {
            background: var(--accent-soft);
            color: #B45309;
        }

        .badge-green {
            background: #E8F9EF;
            color: #047857;
        }

        .badge-gray {
            background: #F1F5F9;
            color: var(--text-secondary);
        }

        /* ===== Hero / Page header ===== */
        .page-header {
            background: linear-gradient(180deg, var(--bg-section-alt) 0%, var(--bg-page) 100%);
            padding-top: 56px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-light);
        }

        .page-header-inner {
            display: flex;
            align-items: flex-start;
            gap: 40px;
            flex-wrap: wrap;
        }

        .page-header-content {
            flex: 1;
            min-width: 280px;
        }

        .page-header-visual {
            flex: 0 0 360px;
            max-width: 360px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card-hover);
            border: 1px solid var(--border-light);
        }

        .page-header-visual img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .page-h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .page-sub {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 24px;
        }

        .page-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .page-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .page-meta .dot-sep {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-muted);
            display: inline-block;
        }

        /* ===== Report card grid ===== */
        .report-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .report-card {
            display: flex;
            flex-direction: column;
            overflow: hidden;
            position: relative;
        }

        .report-card .report-cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

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

        .report-card:hover .report-cover img {
            transform: scale(1.04);
        }

        .report-card .report-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .report-card .report-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .report-card .report-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .report-card .report-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex: 1;
        }

        .report-card .report-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .report-card .report-link {
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
            white-space: nowrap;
        }

        .report-card .report-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* ===== Topic entry ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            text-align: center;
            transition: all 0.25s ease;
            text-decoration: none;
            color: var(--text-main);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            color: var(--text-main);
            text-decoration: none;
        }

        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--bg-section-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            font-weight: 700;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .topic-card:hover .topic-icon {
            background: var(--primary);
            color: #fff;
        }

        .topic-card .topic-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }

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

        /* ===== Method explainer ===== */
        .method-panel {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 32px 36px;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            align-items: flex-start;
        }

        .method-panel .method-step {
            flex: 1;
            min-width: 200px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .method-panel .step-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .method-panel .step-title {
            font-weight: 600;
            font-size: 16px;
            margin-bottom: 4px;
            color: var(--text-main);
        }

        .method-panel .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Indicator dictionary ===== */
        .dict-table-wrapper {
            background: var(--bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .dict-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: background 0.2s ease;
        }

        .dict-row:last-child {
            border-bottom: none;
        }

        .dict-row:hover {
            background: var(--bg-section-light);
        }

        .dict-term {
            flex: 0 0 140px;
            font-weight: 600;
            font-size: 15px;
            color: var(--primary);
        }

        .dict-def {
            flex: 1;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .dict-tag {
            flex-shrink: 0;
        }

        /* ===== Subscribe form ===== */
        .subscribe-panel {
            background: var(--bg-section-alt);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

        .subscribe-panel .subscribe-text {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-panel .subscribe-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .subscribe-panel .subscribe-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .subscribe-panel .subscribe-form {
            flex: 0 0 420px;
            max-width: 100%;
            display: flex;
            gap: 12px;
        }

        .subscribe-panel .subscribe-form input {
            flex: 1;
            min-width: 0;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            background: #fff;
            font-size: 15px;
            color: var(--text-main);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .subscribe-panel .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-panel .subscribe-form input:focus {
            outline: none;
            border-color: var(--border-focus);
            box-shadow: 0 0 0 3px rgba(30, 111, 217, 0.12);
        }

        /* ===== Related articles ===== */
        .related-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .related-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 16px 18px;
            transition: all 0.25s ease;
            text-decoration: none;
            color: var(--text-main);
            align-items: center;
        }

        .related-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
            text-decoration: none;
            color: var(--text-main);
            transform: translateY(-2px);
        }

        .related-item .related-img {
            flex: 0 0 100px;
            height: 68px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .related-item .related-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .related-item .related-info {
            flex: 1;
            min-width: 0;
        }

        .related-item .related-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-item .related-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color 0.2s ease;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

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

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            transition: transform 0.3s ease, color 0.2s ease;
        }

        .faq-item summary .faq-icon svg {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            animation: faqFadeIn 0.3s ease;
        }

        @keyframes faqFadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deep);
            color: #fff;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: #AFC6E8;
            line-height: 1.7;
            max-width: 300px;
        }

        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            color: #fff;
            letter-spacing: 0.5px;
        }

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

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

        .site-footer .footer-col ul li a {
            color: #AFC6E8;
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(175, 198, 232, 0.2);
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
            color: #AFC6E8;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .report-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .page-header-visual {
                flex: 0 0 300px;
                max-width: 300px;
            }
            .subscribe-panel .subscribe-form {
                flex: 0 0 100%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 52px;
                --space-section-mobile: 36px;
                --nav-height: 60px;
            }
            body {
                font-size: 15px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                padding-left: 12px;
                padding-right: 12px;
                gap: 6px;
            }
            .nav-side {
                display: none;
            }
            .logo-area {
                flex: 1;
                display: flex;
                justify-content: center;
                padding: 0;
                order: 2;
            }
            .mobile-burger {
                display: flex;
                align-items: center;
                justify-content: center;
                order: 1;
                flex-shrink: 0;
            }
            .header-inner::after {
                content: '';
                width: 44px;
                flex-shrink: 0;
                order: 3;
            }
            .logo-link {
                font-size: 20px;
                letter-spacing: 0.5px;
            }
            .logo-dot {
                width: 8px;
                height: 8px;
            }
            .logo-dot.accent-dot {
                width: 6px;
                height: 6px;
            }
            .mobile-menu {
                top: var(--nav-height);
            }
            .section {
                padding-top: var(--space-section-mobile);
                padding-bottom: var(--space-section-mobile);
            }
            .page-h1 {
                font-size: 28px;
            }
            .page-sub {
                font-size: 15px;
            }
            .page-header {
                padding-top: 32px;
                padding-bottom: 36px;
            }
            .page-header-inner {
                flex-direction: column;
                gap: 24px;
            }
            .page-header-visual {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
            }
            .page-header-visual img {
                height: 180px;
            }
            .report-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .method-panel {
                padding: 24px 20px;
                flex-direction: column;
                gap: 20px;
            }
            .method-panel .method-step {
                min-width: 100%;
            }
            .dict-row {
                flex-wrap: wrap;
                padding: 14px 16px;
                gap: 8px;
            }
            .dict-term {
                flex: 0 0 100%;
                font-size: 14px;
            }
            .dict-def {
                font-size: 13px;
            }
            .subscribe-panel {
                padding: 28px 20px;
                flex-direction: column;
                gap: 20px;
            }
            .subscribe-panel .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }
            .subscribe-panel .subscribe-form input {
                width: 100%;
            }
            .subscribe-panel .subscribe-form .btn {
                width: 100%;
                justify-content: center;
            }
            .related-item {
                padding: 12px 14px;
                gap: 12px;
            }
            .related-item .related-img {
                flex: 0 0 72px;
                height: 52px;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 14px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: left;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .report-card .report-title {
                font-size: 15px;
            }
            .page-h1 {
                font-size: 24px;
            }
            .subscribe-panel .subscribe-title {
                font-size: 18px;
            }
            .breadcrumb {
                font-size: 13px;
                flex-wrap: wrap;
            }
            .method-panel .step-num {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }