/* roulang page: index */
:root {
            --brand-red: #E63946;
            --brand-gold: #F0A500;
            --brand-dark: #0D1117;
            --brand-card: #1a1f2e;
            --brand-surface: #161b26;
            --brand-border: #2a3040;
            --brand-muted: #9CA3AF;
            --brand-light: #F5F5F5;
            --brand-accent: #FF4D56;
            --brand-green: #22C55E;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--brand-dark);
            color: var(--brand-light);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        /* 容器 */
        .container-main {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-main {
                padding: 0 16px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--brand-border);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 62px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-light);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--brand-gold);
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-red);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--brand-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-light);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--brand-red);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.35);
        }

        .nav-links a.active:hover {
            background: #d6303d;
        }

        .nav-hot-badge {
            display: inline-block;
            font-size: 0.7rem;
            background: var(--brand-gold);
            color: #000;
            padding: 2px 7px;
            border-radius: 20px;
            margin-left: 6px;
            font-weight: 700;
            animation: pulse 2s infinite;
            white-space: nowrap;
        }

        /* 移动端导航 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--brand-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 62px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 17, 23, 0.97);
            backdrop-filter: blur(10px);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-overlay.active {
            display: flex;
        }

        .mobile-nav-overlay a {
            display: block;
            padding: 14px 18px;
            border-radius: 10px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--brand-muted);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: #fff;
            background: var(--brand-card);
            border-color: var(--brand-border);
        }

        .mobile-nav-overlay a.active {
            background: var(--brand-red);
            border-color: var(--brand-red);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                height: 56px;
                padding: 0 16px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 72px 0 80px;
            text-align: center;
            overflow: hidden;
            background: linear-gradient(180deg, #0D1117 0%, #131a28 40%, #0D1117 100%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle at center, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(230, 57, 70, 0.18);
            color: var(--brand-accent);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(230, 57, 70, 0.3);
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero-title .highlight {
            color: var(--brand-accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--brand-muted);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.65;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--brand-red);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: #d6303d;
            box-shadow: 0 0 28px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--brand-light);
            border: 2px solid var(--brand-border);
        }

        .btn-outline:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
            background: rgba(240, 165, 0, 0.06);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 48px 0 56px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
                max-width: 280px;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-gold);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--brand-muted);
            max-width: 580px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.95rem;
            }
        }

        /* 实时比分条 */
        .live-ticker-bar {
            background: var(--brand-card);
            border-top: 2px solid var(--brand-red);
            border-bottom: 2px solid var(--brand-red);
            padding: 10px 0;
            overflow: hidden;
            position: relative;
        }

        .live-ticker-inner {
            display: flex;
            gap: 40px;
            animation: tickerScroll 28s linear infinite;
            white-space: nowrap;
        }

        .live-ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--brand-light);
            flex-shrink: 0;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            background: var(--brand-green);
            border-radius: 50%;
            animation: pulse 1.5s infinite;
            flex-shrink: 0;
        }

        .live-score {
            font-weight: 700;
            color: var(--brand-gold);
            font-size: 1rem;
        }

        @keyframes tickerScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        /* 特色卡片网格 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 80px;
            height: 80px;
            background: rgba(230, 57, 70, 0.06);
            border-radius: 50%;
            transition: all var(--transition-normal);
        }

        .feature-card:hover {
            border-color: var(--brand-red);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .feature-card:hover::before {
            width: 120px;
            height: 120px;
            background: rgba(230, 57, 70, 0.1);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: rgba(230, 57, 70, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--brand-accent);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--brand-muted);
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 分类入口卡片 */
        .category-entry-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-xl);
            padding: 28px 32px;
            transition: all var(--transition-normal);
            cursor: pointer;
            max-width: 600px;
            margin: 0 auto;
        }

        .category-entry-card:hover {
            border-color: var(--brand-gold);
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            background: #1e2435;
        }

        .category-entry-icon {
            width: 56px;
            height: 56px;
            background: rgba(240, 165, 0, 0.15);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--brand-gold);
            flex-shrink: 0;
        }

        .category-entry-info h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .category-entry-info p {
            font-size: 0.9rem;
            color: var(--brand-muted);
        }

        .category-entry-arrow {
            margin-left: auto;
            color: var(--brand-gold);
            font-size: 1.3rem;
            transition: transform var(--transition-fast);
        }

        .category-entry-card:hover .category-entry-arrow {
            transform: translateX(5px);
        }

        /* 数据亮点 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            transition: all var(--transition-normal);
        }

        .stat-item:hover {
            border-color: var(--brand-red);
            box-shadow: var(--shadow-md);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--brand-accent);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--brand-muted);
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item {
                padding: 20px 14px;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            border-color: #3a4055;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            user-select: none;
        }

        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--brand-muted);
            font-size: 0.9rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--brand-gold);
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--brand-muted);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a0f12 0%, #0D1117 50%, #1a1220 100%);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 24px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(230, 57, 70, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            color: var(--brand-muted);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
                margin: 0 16px;
            }
            .cta-title {
                font-size: 1.4rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--brand-surface);
            border-top: 1px solid var(--brand-border);
            padding: 40px 0 28px;
            margin-top: 48px;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            list-style: none;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--brand-muted);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--brand-gold);
        }

        .footer-copy {
            font-size: 0.85rem;
            color: #5a6070;
            width: 100%;
            text-align: center;
            margin-top: 16px;
        }

        @media (max-width: 768px) {
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

        /* 联赛标签 */
        .league-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }

        .league-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: 25px;
            font-size: 0.88rem;
            color: var(--brand-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .league-tag:hover {
            border-color: var(--brand-red);
            background: #1e2435;
            color: #fff;
        }

        .league-tag .dot-indicator {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--brand-green);
        }

:root {
            --brand-red: #E63946;
            --brand-gold: #F0A500;
            --brand-dark: #0D1117;
            --brand-card: #1a1f2e;
            --brand-surface: #161b26;
            --brand-border: #2a3040;
            --brand-muted: #9CA3AF;
            --brand-light: #F5F5F5;
            --brand-accent: #FF4D56;
            --brand-green: #22C55E;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(230, 57, 70, 0.35);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--brand-dark);
            color: var(--brand-light);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--brand-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container-main {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container-main {
                padding: 0 16px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--brand-border);
            transition: all var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 62px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-light);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--brand-gold);
        }

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--brand-red);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--brand-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-light);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--brand-red);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(230, 57, 70, 0.35);
        }

        .nav-links a.active:hover {
            background: #d6303d;
        }

        .nav-hot-badge {
            display: inline-block;
            font-size: 0.7rem;
            background: var(--brand-gold);
            color: #000;
            padding: 2px 7px;
            border-radius: 20px;
            margin-left: 6px;
            font-weight: 700;
            animation: pulse 2s infinite;
            white-space: nowrap;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--brand-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 62px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(13, 17, 23, 0.97);
            backdrop-filter: blur(10px);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav-overlay.active {
            display: flex;
        }

        .mobile-nav-overlay a {
            display: block;
            padding: 14px 18px;
            border-radius: 10px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--brand-muted);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: #fff;
            background: var(--brand-card);
            border-color: var(--brand-border);
        }

        .mobile-nav-overlay a.active {
            background: var(--brand-red);
            border-color: var(--brand-red);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                height: 56px;
                padding: 0 16px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 64px 0 72px;
            text-align: center;
            overflow: hidden;
            background: linear-gradient(180deg, #0D1117 0%, #141e2c 40%, #0D1117 100%);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle at center, rgba(240, 165, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(240, 165, 0, 0.18);
            color: var(--brand-gold);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(240, 165, 0, 0.3);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero-title .highlight {
            color: var(--brand-gold);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--brand-muted);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.65;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--brand-red);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            background: #d6303d;
            box-shadow: 0 0 28px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--brand-light);
            border: 2px solid var(--brand-border);
        }

        .btn-outline:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
            background: rgba(240, 165, 0, 0.06);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 44px 0 52px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.98rem;
            }
            .btn {
                padding: 11px 22px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: 60px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-gold);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 1.02rem;
            color: var(--brand-muted);
            max-width: 560px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
        }

        /* 卖点卡片 */
        .benefit-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .benefit-card {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-normal);
        }

        .benefit-card:hover {
            border-color: var(--brand-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .benefit-card-icon {
            width: 44px;
            height: 44px;
            background: rgba(240, 165, 0, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--brand-gold);
            flex-shrink: 0;
        }

        .benefit-card-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .benefit-card-content p {
            font-size: 0.88rem;
            color: var(--brand-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .benefit-cards {
                grid-template-columns: 1fr;
            }
            .benefit-card {
                padding: 20px;
            }
        }

        /* 流程 */
        .steps-flow {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .step-item {
            text-align: center;
            flex: 1;
            min-width: 180px;
            max-width: 240px;
            position: relative;
            padding: 0 16px;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--brand-red);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: var(--shadow-glow);
        }

        .step-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--brand-muted);
        }

        .step-connector {
            position: absolute;
            top: 25px;
            right: -30px;
            width: 60px;
            height: 2px;
            background: var(--brand-border);
            display: block;
        }

        .step-item:last-child .step-connector {
            display: none;
        }

        @media (max-width: 768px) {
            .steps-flow {
                flex-direction: column;
                align-items: center;
                gap: 24px;
            }
            .step-item {
                max-width: 100%;
            }
            .step-connector {
                display: none;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--brand-card);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            border-color: #3a4055;
        }

        .faq-question {
            padding: 16px 22px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.95rem;
            user-select: none;
        }

        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--brand-muted);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--brand-gold);
        }

        .faq-answer {
            padding: 0 22px 16px;
            font-size: 0.88rem;
            color: var(--brand-muted);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a1008 0%, #0D1117 50%, #1a1410 100%);
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-xl);
            padding: 52px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 24px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            background: rgba(240, 165, 0, 0.07);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-title {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-desc {
            color: var(--brand-muted);
            margin-bottom: 26px;
            position: relative;
            z-index: 1;
            font-size: 0.98rem;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 36px 20px;
                margin: 0 16px;
            }
            .cta-title {
                font-size: 1.3rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--brand-surface);
            border-top: 1px solid var(--brand-border);
            padding: 40px 0 28px;
            margin-top: 48px;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
        }

        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            list-style: none;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--brand-muted);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--brand-gold);
        }

        .footer-copy {
            font-size: 0.85rem;
            color: #5a6070;
            width: 100%;
            text-align: center;
            margin-top: 16px;
        }

        @media (max-width: 768px) {
            .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

        /* 数据对比表 */
        .data-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--brand-border);
            background: var(--brand-card);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .data-table th {
            background: rgba(230, 57, 70, 0.12);
            padding: 14px 18px;
            text-align: left;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            border-bottom: 2px solid var(--brand-border);
            white-space: nowrap;
        }

        .data-table td {
            padding: 12px 18px;
            font-size: 0.9rem;
            color: var(--brand-light);
            border-bottom: 1px solid var(--brand-border);
        }

        .data-table tr:last-child td {
            border-bottom: none;
        }

        .data-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .data-highlight {
            color: var(--brand-gold);
            font-weight: 700;
        }

/* roulang page: category1 */
:root {
            --color-bg-primary: #0a0a14;
            --color-bg-secondary: #0f0f1e;
            --color-bg-card: #16162a;
            --color-bg-card-hover: #1e1e36;
            --color-bg-elevated: #1e1e36;
            --color-brand: #e63946;
            --color-brand-hover: #d63031;
            --color-brand-active: #c0392b;
            --color-accent: #f0a500;
            --color-accent-glow: rgba(240, 165, 0, 0.35);
            --color-text-primary: #f0f0f5;
            --color-text-secondary: #b0b0c0;
            --color-text-weak: #78789a;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-active: rgba(230, 57, 70, 0.45);
            --color-live-pulse: #22c55e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow-brand: 0 0 30px rgba(230, 57, 70, 0.3);
            --shadow-glow-accent: 0 0 25px rgba(240, 165, 0, 0.25);
            --transition-fast: 160ms ease;
            --transition-normal: 260ms ease;
            --transition-slow: 380ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --header-height: 68px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background-color: var(--color-bg-primary);
            color: var(--color-text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-brand);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1280px) {
            .container {
                max-width: 1240px;
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        /* ===== HEADER / NAVIGATION ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 20, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border);
            height: var(--header-height);
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            background: rgba(10, 10, 20, 0.96);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-text-primary);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .header-logo:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-brand), #c0392b);
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-brand);
        }

        .nav-links {
            display: none;
            list-style: none;
            gap: 4px;
            align-items: center;
        }

        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(230, 57, 70, 0.2);
            font-weight: 600;
        }

        .nav-hot-badge {
            display: inline-flex;
            align-items: center;
            font-size: 0.7rem;
            padding: 2px 7px;
            border-radius: 10px;
            background: var(--color-brand);
            color: #fff;
            font-weight: 600;
            line-height: 1;
            animation: badgePulse 2.4s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.55);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(230, 57, 70, 0);
            }
        }

        .mobile-menu-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            color: var(--color-text-primary);
            font-size: 1.2rem;
            transition: background var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        @media (min-width: 768px) {
            .mobile-menu-btn {
                display: none;
            }
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 10, 20, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            flex-direction: column;
            padding: 24px 20px;
            gap: 8px;
            z-index: 999;
            overflow-y: auto;
        }

        .mobile-nav-overlay.open {
            display: flex;
        }

        .mobile-nav-overlay a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: rgba(255, 255, 255, 0.02);
            transition: all var(--transition-fast);
        }

        .mobile-nav-overlay a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--color-text-primary);
        }

        .mobile-nav-overlay a.active {
            background: rgba(230, 57, 70, 0.2);
            color: #fff;
            font-weight: 600;
        }

        /* ===== MAIN CONTENT ===== */
        .page-main {
            min-height: 60vh;
        }

        /* ===== SECTION SPACING ===== */
        .section {
            padding: 60px 0;
        }

        @media (min-width: 768px) {
            .section {
                padding: 80px 0;
            }
        }

        @media (min-width: 1024px) {
            .section {
                padding: 100px 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        @media (min-width: 768px) {
            .section-header {
                margin-bottom: 56px;
            }
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        @media (min-width: 768px) {
            .section-header h2 {
                font-size: 2.2rem;
            }
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--color-brand);
            border-radius: 3px;
            margin: 16px auto 0;
            opacity: 0.8;
        }

        /* ===== HERO ===== */
        .hero-category {
            position: relative;
            padding: 60px 0;
            overflow: hidden;
            background: linear-gradient(180deg, #0a0a14 0%, #0f0f1e 40%, #0a0a14 100%);
        }

        @media (min-width: 768px) {
            .hero-category {
                padding: 80px 0;
            }
        }

        @media (min-width: 1024px) {
            .hero-category {
                padding: 100px 0;
            }
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -20%;
            width: 80%;
            height: 180%;
            background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            top: 10%;
            right: -15%;
            width: 60%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(240, 165, 0, 0.05) 0%, transparent 65%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-category-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 24px;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-weak);
            flex-wrap: wrap;
            justify-content: center;
        }

        .hero-breadcrumb a {
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .hero-breadcrumb a:hover {
            color: var(--color-brand);
        }

        .hero-breadcrumb .separator {
            color: var(--color-text-weak);
            font-size: 0.7rem;
        }

        .hero-category h1 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.25;
            max-width: 700px;
        }

        @media (min-width: 768px) {
            .hero-category h1 {
                font-size: 2.8rem;
            }
        }

        @media (min-width: 1024px) {
            .hero-category h1 {
                font-size: 3.2rem;
            }
        }

        .hero-category h1 .highlight {
            color: var(--color-brand);
            position: relative;
        }

        .hero-category .hero-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }

        @media (min-width: 768px) {
            .hero-category .hero-subtitle {
                font-size: 1.15rem;
            }
        }

        .hero-live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 20px;
            background: rgba(34, 197, 94, 0.12);
            border: 1px solid rgba(34, 197, 94, 0.3);
            font-size: 0.9rem;
            font-weight: 600;
            color: #4ade80;
        }

        .hero-live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-live-pulse);
            animation: livePulse 1.2s ease-in-out infinite;
        }

        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
            }
        }

        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-top: 8px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            padding: 14px 22px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            min-width: 90px;
        }

        .hero-stat-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            font-feature-settings: 'tnum';
            font-variant-numeric: tabular-nums;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        /* ===== FEATURE CARDS ===== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (min-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }

        .feature-card {
            padding: 28px 22px;
            border-radius: var(--radius-lg);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-normal);
            border-radius: 0 0 3px 3px;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-border-active);
            background: var(--color-bg-card-hover);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(230, 57, 70, 0.15);
            color: var(--color-brand);
            font-size: 1.3rem;
            margin-bottom: 16px;
            transition: all var(--transition-normal);
        }

        .feature-card:hover .feature-card-icon {
            background: rgba(230, 57, 70, 0.25);
            box-shadow: var(--shadow-glow-brand);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== SCENARIO CARDS ===== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 640px) {
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (min-width: 1024px) {
            .scenarios-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .scenario-card {
            padding: 32px 24px;
            border-radius: var(--radius-lg);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            text-align: center;
            transition: all var(--transition-normal);
        }

        .scenario-card:hover {
            border-color: var(--color-border-active);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-emoji {
            font-size: 2.4rem;
            margin-bottom: 12px;
            display: block;
        }

        .scenario-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== LIVE SCORE SHOWCASE ===== */
        .score-showcase {
            background: var(--color-bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .score-showcase::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 300px;
            background: radial-gradient(ellipse at center, rgba(240, 165, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .score-cards-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        @media (min-width: 640px) {
            .score-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (min-width: 1024px) {
            .score-cards-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .score-card {
            padding: 20px 18px;
            border-radius: var(--radius-lg);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
            position: relative;
        }

        .score-card:hover {
            border-color: var(--color-border-active);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .score-card-live-tag {
            position: absolute;
            top: 12px;
            right: 14px;
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--color-live-pulse);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .score-card-live-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-live-pulse);
            animation: livePulse 1.2s ease-in-out infinite;
        }

        .score-card-league {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .score-card-matchup {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .score-card-team {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            text-align: center;
            flex: 1;
            line-height: 1.3;
        }

        .score-card-score {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            font-feature-settings: 'tnum';
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.04em;
            min-width: 56px;
            text-align: center;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
        }

        .score-card-time {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            text-align: center;
            margin-top: 8px;
        }

        .score-card-time .minute {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ===== STEPS / PROCESS ===== */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
            max-width: 700px;
            margin: 0 auto;
            position: relative;
        }

        .steps-list::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 28px;
            bottom: 28px;
            width: 2px;
            background: linear-gradient(180deg, var(--color-brand), var(--color-accent), transparent);
            border-radius: 1px;
        }

        @media (min-width: 640px) {
            .steps-list::before {
                left: 28px;
            }
        }

        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding-left: 8px;
            position: relative;
        }

        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-brand), #b71c1c);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
            box-shadow: var(--shadow-glow-brand);
        }

        @media (min-width: 640px) {
            .step-number {
                width: 48px;
                height: 48px;
                font-size: 1.15rem;
            }
        }

        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            max-width: 500px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            background: transparent;
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            text-align: left;
            transition: color var(--transition-fast);
            cursor: pointer;
            border: none;
            outline: none;
        }

        .faq-question:hover {
            color: var(--color-brand);
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA SECTION ===== */
        .cta-section {
            position: relative;
            overflow: hidden;
            background: linear-gradient(180deg, var(--color-bg-primary) 0%, #0f0f1e 100%);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 400px;
            background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.1) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-card {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 48px 28px;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, rgba(22, 22, 42, 0.9), rgba(30, 30, 54, 0.95));
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            max-width: 700px;
            margin: 0 auto;
        }

        @media (min-width: 768px) {
            .cta-card {
                padding: 56px 40px;
            }
        }

        .cta-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        @media (min-width: 768px) {
            .cta-card h2 {
                font-size: 2rem;
            }
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            background: linear-gradient(135deg, var(--color-brand), #c0392b);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-glow-brand);
            border: none;
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(230, 57, 70, 0.45);
            background: linear-gradient(135deg, #f04c59, #d63031);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow-brand);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-normal);
            cursor: pointer;
            letter-spacing: 0.01em;
        }

        .btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.04);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            padding: 40px 0;
        }

        .footer-inner {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            text-align: center;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            list-style: none;
            justify-content: center;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--color-brand);
        }

        .footer-copy {
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }

        @media (min-width: 768px) {
            .footer-inner {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
                gap: 24px;
            }
        }

        /* ===== RESPONSIVE FINE-TUNING ===== */
        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-item {
                padding: 10px 14px;
                min-width: 70px;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .score-card {
                padding: 16px 14px;
            }
            .score-card-score {
                font-size: 1.25rem;
                min-width: 44px;
            }
            .cta-card {
                padding: 32px 18px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }

        /* ===== UTILITY ANIMATIONS ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg-primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--color-surface-500);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-surface-400);
        }
