/* roulang page: index */
:root {
            --bg-primary: #080c14;
            --bg-secondary: #0f1520;
            --bg-card: #141b28;
            --bg-card-hover: #1a2233;
            --bg-elevated: #1c2436;
            --text-primary: #edf0f5;
            --text-secondary: #b0b8c4;
            --text-muted: #6b7383;
            --accent-red: #e63946;
            --accent-red-hover: #ff4d5a;
            --accent-red-glow: rgba(230, 57, 70, 0.35);
            --accent-gold: #f0a500;
            --accent-gold-hover: #ffb830;
            --accent-green: #10b981;
            --accent-green-glow: rgba(16, 185, 129, 0.4);
            --accent-blue: #3b82f6;
            --border-color: #1e2a3a;
            --border-light: #263345;
            --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, 0.45);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.55);
            --shadow-glow-red: 0 0 30px rgba(230, 57, 70, 0.25);
            --shadow-glow-green: 0 0 24px rgba(16, 185, 129, 0.3);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            --nav-height: 62px;
            --container-max: 1260px;
            --container-narrow: 960px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            text-decoration: none;
            color: inherit;
            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(--accent-red);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 12, 20, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-normal), box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(8, 12, 20, 0.97);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-red), #c0392b);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 16px var(--accent-red-glow);
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo-text:hover {
            color: var(--accent-red-hover);
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
        }

        .nav-links a.nav-active {
            color: var(--accent-red);
            background: rgba(230, 57, 70, 0.1);
            font-weight: 600;
        }

        .nav-links a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-red);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent-red);
            color: #fff !important;
            transition: all var(--transition-fast);
            box-shadow: 0 0 18px var(--accent-red-glow);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--accent-red-hover);
            box-shadow: 0 0 28px rgba(230, 57, 70, 0.5);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--bg-card);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 20px 28px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--border-color);
        }

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

        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.nav-active {
            color: var(--accent-red);
            background: rgba(230, 57, 70, 0.08);
        }

        .mobile-menu .nav-cta-btn {
            display: inline-block;
            text-align: center;
            margin-top: 8px;
            width: 100%;
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            min-height: calc(100vh - var(--nav-height));
            display: flex;
            align-items: center;
            background: var(--bg-primary);
            overflow: hidden;
        }

        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.04;
            background-image:
                radial-gradient(circle at 80% 30%, rgba(230, 57, 70, 0.5) 0%, transparent 50%),
                radial-gradient(circle at 20% 70%, rgba(240, 165, 0, 0.4) 0%, transparent 40%),
                radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.3) 0%, transparent 45%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 40px 28px;
            position: relative;
            z-index: 2;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 7px 14px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(16, 185, 129, 0.3);
            width: fit-content;
            animation: pulse-badge 2.2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 8px var(--accent-green-glow);
            }
            50% {
                box-shadow: 0 0 22px rgba(16, 185, 129, 0.7);
            }
        }

        .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--accent-green);
            animation: live-pulse 1.2s ease-in-out infinite;
        }

        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 6px var(--accent-green-glow);
                transform: scale(1);
            }
            50% {
                box-shadow: 0 0 18px rgba(16, 185, 129, 0.8);
                transform: scale(1.35);
            }
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--accent-red);
            position: relative;
        }

        .hero-title .highlight-gold {
            color: var(--accent-gold);
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 500px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 6px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--accent-red);
            color: #fff;
            box-shadow: 0 4px 20px var(--accent-red-glow);
        }

        .btn-primary:hover {
            background: var(--accent-red-hover);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
        }

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

        .btn-outline:hover {
            border-color: var(--accent-red);
            color: var(--accent-red-hover);
            background: rgba(230, 57, 70, 0.06);
            transform: translateY(-2px);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .live-score-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

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

        .live-score-card.featured {
            border-color: rgba(230, 57, 70, 0.4);
            background: var(--bg-elevated);
            box-shadow: 0 0 28px var(--accent-red-glow);
        }

        .score-match-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-width: 0;
        }

        .score-league {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .score-teams {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .score-display {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            margin-left: auto;
        }

        .score-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-primary);
            min-width: 30px;
            text-align: center;
        }

        .score-divider {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .score-live-tag {
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 12px;
            background: rgba(230, 57, 70, 0.2);
            color: var(--accent-red);
            animation: live-pulse 1.2s ease-in-out infinite;
            letter-spacing: 0.05em;
        }

        .score-minute {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-stats-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-stat-chip {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 7px;
            transition: all var(--transition-fast);
        }

        .hero-stat-chip:hover {
            border-color: var(--border-light);
            color: var(--text-primary);
        }

        .hero-stat-chip .stat-icon {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        /* ============ SECTION COMMON ============ */
        .section {
            padding: 80px 0;
            position: relative;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-red);
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* ============ FEATURES GRID ============ */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }

        .feature-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .feature-icon-wrap.red {
            background: rgba(230, 57, 70, 0.15);
            color: var(--accent-red);
        }
        .feature-icon-wrap.gold {
            background: rgba(240, 165, 0, 0.15);
            color: var(--accent-gold);
        }
        .feature-icon-wrap.blue {
            background: rgba(59, 130, 246, 0.15);
            color: var(--accent-blue);
        }
        .feature-icon-wrap.green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
        }

        .feature-card h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .feature-card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ CATEGORY ENTRY CARD ============ */
        .category-entry-section .entry-card {
            background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            gap: 30px;
            transition: all var(--transition-slow);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .category-entry-section .entry-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            pointer-events: none;
            transition: all var(--transition-slow);
        }

        .category-entry-section .entry-card:hover {
            border-color: rgba(230, 57, 70, 0.4);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .category-entry-section .entry-card:hover::before {
            transform: scale(1.6);
            opacity: 0.7;
        }

        .entry-card-content {
            flex: 1;
            position: relative;
            z-index: 2;
        }

        .entry-card-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            background: rgba(240, 165, 0, 0.15);
            color: var(--accent-gold);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .entry-card-content h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .entry-card-content p {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.6;
        }

        .entry-card-arrow {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--accent-red);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition-normal);
            position: relative;
            z-index: 2;
            box-shadow: 0 0 20px var(--accent-red-glow);
        }

        .category-entry-section .entry-card:hover .entry-card-arrow {
            transform: scale(1.1);
            box-shadow: 0 0 34px rgba(230, 57, 70, 0.6);
        }

        /* ============ DATA HIGHLIGHTS ============ */
        .data-highlights-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .data-highlight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-normal);
        }

        .data-highlight-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .data-highlight-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }

        .data-highlight-number.red {
            color: var(--accent-red);
        }
        .data-highlight-number.green {
            color: var(--accent-green);
        }

        .data-highlight-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ TIMELINE / PROCESS ============ */
        .process-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            counter-reset: process-counter;
        }

        .process-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all var(--transition-normal);
            counter-increment: process-counter;
        }

        .process-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .process-number {
            font-family: var(--font-mono);
            font-size: 3rem;
            font-weight: 900;
            color: rgba(230, 57, 70, 0.15);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
            pointer-events: none;
        }

        .process-item h3 {
            font-family: var(--font-heading);
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            position: relative;
            z-index: 2;
        }

        .process-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            position: relative;
            z-index: 2;
        }

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

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

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            font-family: var(--font-body);
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

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

        .faq-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition-normal);
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-red);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(160deg, var(--bg-elevated) 0%, var(--bg-card) 60%, var(--bg-secondary) 100%);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        .btn-lg {
            padding: 15px 34px;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 320px;
        }

        .footer-links h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
            display: inline-block;
        }

        .footer-links a:hover {
            color: var(--accent-red-hover);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.84rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--text-primary);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-right {
                order: -1;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 10px;
            }
            .live-score-card {
                flex: 1 1 180px;
                min-width: 160px;
            }
            .hero-stats-row {
                width: 100%;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta-btn.desktop-only {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px 16px;
            }
            .hero-right {
                flex-direction: column;
            }
            .hero-stats-row {
                flex-wrap: wrap;
            }
            .hero-stat-chip {
                flex: 1 1 auto;
                min-width: 100px;
                justify-content: center;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .data-highlights-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .process-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-entry-section .entry-card {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
                gap: 16px;
            }
            .entry-card-arrow {
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section {
                padding: 50px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.93rem;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .live-score-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .score-display {
                margin-left: 0;
            }
            .data-highlights-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-highlight-card {
                padding: 16px 10px;
            }
            .data-highlight-number {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 44px 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .site-header {
                --nav-height: 54px;
                height: 54px;
            }
            .mobile-menu {
                top: 54px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-hover: #c5303c;
            --primary-soft: #ffeaea;
            --secondary: #1d3557;
            --secondary-light: #2c4a6e;
            --accent: #f4a261;
            --bg: #f8f9fa;
            --surface: #ffffff;
            --text: #1e1e1e;
            --text-muted: #6c757d;
            --border: #e9ecef;
            --border-strong: #dee2e6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.08);
            --transition: 0.25s ease;
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --header-height: 72px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul {
            list-style: none;
        }

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            height: var(--header-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.92);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--secondary);
            letter-spacing: -0.3px;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 12px;
            font-size: 1.3rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            padding: 8px 6px;
            border-bottom: 2px solid transparent;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-active {
            color: var(--primary) !important;
            border-bottom-color: var(--primary) !important;
        }

        .nav-cta-btn {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: none !important;
            margin-left: 8px;
            transition: background 0.2s, box-shadow 0.2s;
        }

        .nav-cta-btn:hover {
            background: var(--primary-hover);
            box-shadow: 0 6px 16px rgba(230,57,70,0.25);
            color: #fff !important;
        }

        .mobile-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--secondary);
            padding: 8px;
        }

        .desktop-only {
            display: flex;
        }

        /* Hero */
        .hero-inner {
            background: linear-gradient(135deg, #1d3557 0%, #2a4a6b 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            margin: 32px 0 48px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }

        .hero-text {
            flex: 1 1 400px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(8px);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-text p {
            font-size: 1.125rem;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 500px;
        }

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 20px rgba(230,57,70,0.4);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(230,57,70,0.5);
        }

        .btn-outline-light {
            border: 2px solid rgba(255,255,255,0.5);
            color: #fff;
            padding: 12px 30px;
            border-radius: 40px;
            font-weight: 600;
            backdrop-filter: blur(4px);
            background: rgba(255,255,255,0.1);
        }

        .btn-outline-light:hover {
            background: rgba(255,255,255,0.2);
            border-color: #fff;
        }

        .hero-visual {
            flex: 1 1 300px;
            display: flex;
            justify-content: center;
        }

        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 10px 24px rgba(230,57,70,0.5);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(230,57,70,0.7); }
            70% { box-shadow: 0 0 0 18px rgba(230,57,70,0); }
            100% { box-shadow: 0 0 0 0 rgba(230,57,70,0); }
        }

        /* 通用区块 */
        .section {
            padding: 64px 0;
        }

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

        .section-title h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 28px;
        }

        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .card-icon {
            width: 52px;
            height: 52px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 18px;
        }

        .card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }

        .process-steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-top: 32px;
        }

        .step-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            flex: 1 1 200px;
            max-width: 220px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            position: relative;
        }

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-item h4 {
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* CTA */
        .cta-block {
            background: var(--secondary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            margin: 48px 0;
        }

        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-block p {
            opacity: 0.9;
            margin-bottom: 24px;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary);
            color: #ced4da;
            padding: 56px 0 28px;
            margin-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            margin-top: 12px;
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .footer-links h4 {
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
            font-size: 1rem;
        }

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

        .footer-links a {
            color: #adb5bd;
            font-size: 0.92rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            font-size: 0.85rem;
            color: #adb5bd;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
        }

        @media (max-width: 900px) {
            .hero-inner {
                padding: 40px 24px;
                flex-direction: column;
                text-align: center;
            }

            .hero-text h1 {
                font-size: 2.2rem;
            }

            .hero-actions {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 24px;
                gap: 18px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border);
            }

            .nav-links.show {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .desktop-only {
                display: none;
            }

            .section-title h2 {
                font-size: 1.7rem;
            }
        }