/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f0f1a;
            --primary-light: #1a1a2e;
            --primary-mid: #2a2a3e;
            --accent: #e94560;
            --accent-dark: #c73a4e;
            --accent-glow: rgba(233, 69, 96, 0.25);
            --gold: #f5a623;
            --gold-light: #fce4a8;
            --gold-dark: #d98e14;
            --bg: #f5f5f7;
            --bg-card: #ffffff;
            --bg-dark: #0f0f1a;
            --bg-section-alt: #f0f0f3;
            --white: #ffffff;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-lighter: #9ca3af;
            --text-white: #f9fafb;
            --border: #e5e7eb;
            --border-light: #f0f0f5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.15);
            --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.2);
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container: 1200px;
            --header-top-height: 64px;
            --header-nav-height: 52px;
            --header-total: 116px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
        }
        h3 {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-sm {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-fluid {
            width: 100%;
            padding: 0 24px;
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: 80px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-lg {
            padding: 120px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: var(--text-white);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 640px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.2;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--white);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px var(--accent-glow);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-secondary {
            background: transparent;
            color: var(--white);
            border-color: var(--white);
        }
        .btn-secondary:hover {
            background: var(--white);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 3px solid var(--white);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            color: var(--accent);
            border-color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px var(--accent-glow);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1.05rem;
            border-radius: var(--radius);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn .icon {
            font-size: 1.1em;
        }

        /* ===== Badges & Tags ===== */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--bg-section-alt);
            color: var(--text-light);
            transition: all var(--transition);
        }
        .tag-accent {
            background: var(--accent);
            color: var(--white);
        }
        .tag-gold {
            background: var(--gold);
            color: var(--primary);
        }
        .tag-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-light);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 24px 24px;
        }
        .card-body .tag {
            margin-bottom: 10px;
        }
        .card-body h3 {
            margin-bottom: 8px;
        }
        .card-body h3 a {
            color: var(--text);
        }
        .card-body h3 a:hover {
            color: var(--accent);
        }
        .card-body p {
            font-size: 0.92rem;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-lighter);
        }
        .card-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .card-meta .cat {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-top-height);
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
            width: 100%;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-logo .logo-icon {
            color: var(--accent);
            font-size: 1.3em;
        }
        .site-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            margin-left: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            width: 220px;
            transition: all var(--transition);
        }
        .header-search:focus-within {
            background: rgba(255, 255, 255, 0.14);
            width: 260px;
        }
        .header-search .icon {
            color: var(--text-lighter);
            font-size: 0.85rem;
            margin-right: 8px;
        }
        .header-search input {
            background: none;
            border: none;
            color: var(--white);
            font-size: 0.85rem;
            width: 100%;
            height: 100%;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .header-search input:focus {
            outline: none;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-cta .btn {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* Nav bottom */
        .nav-bottom {
            height: var(--header-nav-height);
            display: flex;
            align-items: center;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-bottom::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 100%;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
            white-space: nowrap;
            height: 38px;
            position: relative;
        }
        .nav-tab:hover {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-tab.active {
            color: var(--white);
            background: rgba(233, 69, 96, 0.2);
        }
        .nav-tab.active::after {
            content: '';
            position: absolute;
            bottom: -7px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-tab .icon {
            font-size: 0.8rem;
        }
        .nav-tab:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            cursor: pointer;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--white);
            border-radius: 2px;
            margin: 3px 0;
            transition: all var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -4px);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            background: var(--primary-light);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .mobile-nav.open {
            max-height: 400px;
            padding: 16px 24px 24px;
        }
        .mobile-nav .nav-tabs {
            flex-direction: column;
            align-items: stretch;
            gap: 2px;
        }
        .mobile-nav .nav-tab {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
            height: auto;
            border-radius: var(--radius-sm);
        }
        .mobile-nav .nav-tab.active::after {
            display: none;
        }
        .mobile-nav .nav-tab.active {
            background: rgba(233, 69, 96, 0.15);
        }
        .mobile-search {
            display: none;
            margin-top: 12px;
        }
        .mobile-search .header-search {
            width: 100%;
        }

        /* ===== Hero ===== */
        .hero {
            padding-top: var(--header-total);
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.4;
            z-index: 0;
            filter: saturate(1.1) brightness(0.7);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.85) 0%, rgba(15, 15, 26, 0.45) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 60px 0 80px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(233, 69, 96, 0.18);
            color: var(--accent);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            border: 1px solid rgba(233, 69, 96, 0.2);
        }
        .hero-content h1 {
            color: var(--white);
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 16px;
            line-height: 1.15;
        }
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent), var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content .sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }

        /* ===== Intro / Features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 28px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--white);
        }
        .feature-icon.gold {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
        }
        .feature-icon.teal {
            background: linear-gradient(135deg, #06b6d4, #0891b2);
        }
        .feature-card h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }
        .feature-card p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* ===== Category Spotlight ===== */
        .spotlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .spotlight-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            background: var(--bg-dark);
            transition: all var(--transition);
            box-shadow: var(--shadow-md);
        }
        .spotlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .spotlight-card .bg-img {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.5;
            transition: opacity var(--transition);
        }
        .spotlight-card:hover .bg-img {
            opacity: 0.65;
        }
        .spotlight-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 15, 26, 0.85) 0%, rgba(15, 15, 26, 0.2) 60%, transparent 100%);
            z-index: 1;
        }
        .spotlight-card .content {
            position: relative;
            z-index: 2;
            padding: 32px 28px;
            color: var(--white);
            width: 100%;
        }
        .spotlight-card .content .tag {
            margin-bottom: 10px;
        }
        .spotlight-card .content h3 {
            color: var(--white);
            font-size: 1.5rem;
            margin-bottom: 8px;
        }
        .spotlight-card .content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            margin-bottom: 16px;
            max-width: 400px;
        }
        .spotlight-card .content .btn {
            padding: 10px 24px;
            font-size: 0.88rem;
        }

        /* ===== News / CMS List ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .news-card .card-top {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .news-card .card-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .card-top img {
            transform: scale(1.05);
        }
        .news-card .card-top .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--white);
            font-size: 0.7rem;
            padding: 3px 12px;
        }
        .news-card .card-bottom {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-bottom h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-bottom h3 a {
            color: var(--text);
        }
        .news-card .card-bottom h3 a:hover {
            color: var(--accent);
        }
        .news-card .card-bottom p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card .card-bottom .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-lighter);
        }
        .news-card .card-bottom .meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .empty-msg {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            grid-column: 1 / -1;
        }

        /* ===== Stats / Data Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }
        .stat-card .num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-card .num .suffix {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .stat-card .label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Process / Timeline ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 60px;
            right: 60px;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--white);
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 0 4px var(--bg-card);
        }
        .process-step .step-num.done {
            background: var(--gold);
            color: var(--primary);
        }
        .process-step h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-light);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            padding: 4px 0;
            user-select: none;
        }
        .faq-question h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            flex: 1;
        }
        .faq-question .icon {
            font-size: 1.1rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-light);
            padding-top: 8px;
            padding-bottom: 4px;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section .bg-glow {
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(233, 69, 96, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 60px 24px;
        }
        .cta-inner h2 {
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.65);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
        }
        .cta-inner .btn {
            padding: 14px 36px;
            font-size: 1rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: var(--text-white);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .site-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-col ul li a .icon {
            font-size: 0.7rem;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .links a {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom .links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid::before {
                display: none;
            }
            .process-step {
                margin-bottom: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-search {
                width: 160px;
            }
            .header-search:focus-within {
                width: 200px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 64px 0;
            }
            .hero {
                min-height: 70vh;
                padding-top: var(--header-total);
            }
            .hero-content {
                padding: 40px 0 60px;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stat .num {
                font-size: 1.4rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .spotlight-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            /* Header responsive */
            .header-search {
                display: none;
            }
            .header-cta .btn {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .hamburger {
                display: flex;
            }
            .nav-bottom {
                display: none;
            }
            .mobile-nav {
                display: block;
            }
            .mobile-search {
                display: block;
            }
            .mobile-nav .nav-tabs {
                display: flex;
            }
            .site-header {
                position: relative;
            }
            .hero {
                padding-top: 0;
            }
            .header-top {
                height: 56px;
            }
            .site-logo {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-top {
                padding: 0 16px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-content .sub {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .cta-inner h2 {
                font-size: 1.4rem;
            }
            .stat-card .num {
                font-size: 1.8rem;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .spotlight-card {
                min-height: 240px;
            }
            .spotlight-card .content h3 {
                font-size: 1.2rem;
            }
            .footer-bottom .links {
                flex-wrap: wrap;
                justify-content: center;
            }
            .mobile-nav {
                padding: 12px 16px 16px;
            }
            .mobile-nav.open {
                padding: 12px 16px 16px;
            }
        }

        /* ===== Accessibility ===== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
            }
        }
        :focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Skeleton / Placeholder ===== */
        .skeleton {
            background: linear-gradient(90deg, var(--border-light) 25%, var(--bg) 50%, var(--border-light) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: var(--radius-sm);
        }
        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2d4a7a;
            --accent: #f4a261;
            --accent-light: #f8c291;
            --bg: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-section: #f0f2f5;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --radius-pill: 50px;
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 120px;
            --nav-h: 56px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text);
        }

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

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.2rem;
            margin-bottom: 12px;
            text-align: center;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .text-center {
            text-align: center;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--primary);
            color: #fff;
        }

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

        .tag-sm {
            font-size: 0.7rem;
            padding: 2px 10px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
        }

        .badge-green {
            background: #2a9d8f;
        }

        .badge-blue {
            background: var(--secondary);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
            background: var(--primary);
            color: #fff;
        }

        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(230, 57, 70, 0.35);
            color: #fff;
        }

        .btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        .btn-outline {
            background: transparent;
            border-color: var(--primary);
            color: var(--primary);
        }

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

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

        .btn-white:hover {
            background: var(--bg);
            color: var(--primary-dark);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ===== Header / Nav (Tabs 双层) ===== */
        .site-header {
            background: #fff;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            height: 64px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .site-logo .logo-icon {
            font-size: 1.8rem;
            color: var(--primary);
        }

        .site-logo .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            margin-left: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: var(--radius-pill);
            padding: 0 16px;
            border: 2px solid transparent;
            transition: var(--transition);
        }

        .header-actions .search-box:focus-within {
            border-color: var(--primary);
            background: #fff;
        }

        .header-actions .search-box input {
            background: transparent;
            padding: 8px 10px;
            width: 180px;
            font-size: 0.9rem;
            color: var(--text);
        }

        .header-actions .search-box input::placeholder {
            color: var(--text-light);
        }

        .header-actions .search-box button {
            color: var(--text-light);
            font-size: 1rem;
            padding: 8px 4px;
            transition: var(--transition);
        }

        .header-actions .search-box button:hover {
            color: var(--primary);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .header-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            color: #fff;
        }

        /* 第二行：频道 Tabs */
        .nav-bottom {
            border-top: 1px solid var(--border-light);
            background: #fff;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-tabs::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-light);
            border-bottom: 3px solid transparent;
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
        }

        .nav-tab .icon {
            font-size: 0.9rem;
        }

        .nav-tab:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }

        .nav-tab.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }

        .nav-tab:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: -2px;
        }

        /* 移动端菜单切换（隐藏） */
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px 8px;
            background: none;
            border: none;
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 80px 24px 60px;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.82) 0%, rgba(29, 53, 87, 0.7) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .page-banner .banner-tag {
            display: inline-block;
            padding: 6px 20px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .page-banner h1 {
            font-size: 3rem;
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .page-banner .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== 分类介绍板块 ===== */
        .intro-section {
            background: var(--bg-card);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-text h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        .intro-text p {
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .intro-text .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }

        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
        }

        .intro-text .feature-list li i {
            color: var(--primary);
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
        }

        .intro-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .intro-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: var(--transition);
        }

        .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ===== 赛事分类卡片 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }

        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }

        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .sport-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .sport-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .sport-card:hover .card-img img {
            transform: scale(1.06);
        }

        .sport-card .card-img .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.75rem;
            font-weight: 600;
        }

        .sport-card .card-body {
            padding: 24px 22px 26px;
        }

        .sport-card .card-body h3 {
            font-size: 1.25rem;
            margin-bottom: 8px;
        }

        .sport-card .card-body p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sport-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .sport-card .card-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .sport-card .card-meta .meta-item i {
            color: var(--primary);
        }

        /* ===== 最新赛事指南列表 ===== */
        .guide-section {
            background: var(--bg-section);
        }

        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .guide-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }

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

        .guide-item .guide-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            background: var(--primary);
            flex-shrink: 0;
        }

        .guide-item .guide-icon.blue {
            background: var(--secondary);
        }

        .guide-item .guide-icon.green {
            background: #2a9d8f;
        }

        .guide-item .guide-icon.orange {
            background: var(--accent);
        }

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

        .guide-item .guide-content h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        .guide-item .guide-content p {
            color: var(--text-light);
            font-size: 0.9rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .guide-item .guide-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-shrink: 0;
        }

        .guide-item .guide-meta span {
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .guide-item .guide-meta .btn-sm {
            margin-left: 8px;
        }

        /* ===== 赛事数据统计 ===== */
        .stats-section {
            background: var(--bg-dark);
            color: #fff;
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

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

        .stats-section .section-title,
        .stats-section .section-subtitle {
            color: #fff;
        }

        .stats-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-item .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .stat-item .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .faq-item .faq-q {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .faq-item .faq-q i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .faq-item .faq-a {
            color: var(--text-light);
            padding-left: 28px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2.4rem;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .cta-section .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
        }

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

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

        .footer-brand .site-logo {
            font-size: 1.5rem;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .site-logo .logo-icon {
            color: var(--primary-light);
        }

        .footer-brand .site-logo .logo-dot {
            background: var(--accent);
        }

        .footer-brand p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom .links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .intro-image img {
                height: 300px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .header-actions .search-box input {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 110px;
                --nav-h: 48px;
            }
            .section-padding {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 32px;
            }
            .page-banner {
                min-height: 260px;
                padding: 60px 20px 40px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
            .header-top {
                padding: 10px 16px;
                height: 56px;
            }
            .site-logo {
                font-size: 1.3rem;
            }
            .header-actions .search-box {
                display: none;
            }
            .header-cta {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .header-cta span {
                display: none;
            }
            .nav-tab {
                padding: 10px 14px;
                font-size: 0.85rem;
            }
            .nav-tab .icon {
                font-size: 0.8rem;
            }
            .sports-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .sport-card .card-body {
                padding: 18px 16px 20px;
            }
            .sport-card .card-body h3 {
                font-size: 1.1rem;
            }
            .guide-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px 18px;
            }
            .guide-item .guide-meta {
                width: 100%;
                justify-content: space-between;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
            .faq-item {
                padding: 18px 20px;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .links {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-actions {
                flex-direction: column;
                align-items: center;
            }
            .sports-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .nav-tab {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .nav-tab .icon {
                display: none;
            }
            .header-cta span {
                display: none;
            }
            .intro-image img {
                height: 220px;
            }
            .guide-item .guide-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            .faq-item .faq-q {
                font-size: 0.95rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #0d47a1;
            --primary-light: #1565c0;
            --primary-dark: #002171;
            --primary-bg: #e8eaf6;
            --accent: #ff6d00;
            --accent-light: #ff9e40;
            --accent-dark: #c43e00;
            --bg: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text: #1a1a2e;
            --text-light: #5a5a7a;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --border-light: #f0f0f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.10);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-w: 1200px;
            --header-h: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }
        .icon {
            display: inline-block;
            vertical-align: middle;
        }
        .icon-right {
            margin-left: 6px;
        }
        .icon-left {
            margin-right: 6px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 71, 161, 0.30);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 71, 161, 0.20);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-white);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 109, 0, 0.30);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
            transition: all var(--transition);
        }
        .badge-accent {
            background: rgba(255, 109, 0, 0.12);
            color: var(--accent-dark);
        }
        .badge-sm {
            padding: 2px 10px;
            font-size: 0.72rem;
        }
        .tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--border-light);
            color: var(--text-light);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .tag:hover {
            background: var(--primary-bg);
            color: var(--primary);
            border-color: var(--primary);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-text {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 24px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-between {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-24 {
            gap: 24px;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            text-decoration: none;
        }
        .site-logo:hover {
            color: var(--primary);
        }
        .logo-icon {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            margin-left: 2px;
        }
        .nav-top-row {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-tabs {
            display: flex;
            gap: 4px;
            background: var(--border-light);
            border-radius: 50px;
            padding: 4px;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-light);
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-tab:hover {
            color: var(--primary);
            background: rgba(13, 71, 161, 0.06);
        }
        .nav-tab.active {
            background: var(--bg-card);
            color: var(--primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        .nav-tab .icon {
            font-size: 0.85rem;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-cta .btn {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            background: transparent;
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--border-light);
        }

        /* ===== Hero / Banner ===== */
        .article-hero {
            position: relative;
            padding: 100px 0 80px;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: var(--text-white);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 33, 113, 0.88) 0%, rgba(13, 71, 161, 0.76) 50%, rgba(0, 0, 0, 0.50) 100%);
            z-index: 1;
        }
        .article-hero .container-narrow {
            position: relative;
            z-index: 2;
        }
        .article-hero .badge {
            background: rgba(255, 255, 255, 0.18);
            color: var(--text-white);
            backdrop-filter: blur(4px);
            margin-bottom: 20px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.20);
        }
        .article-hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            font-size: 0.92rem;
            opacity: 0.85;
            flex-wrap: wrap;
        }
        .article-hero .hero-meta i {
            margin-right: 6px;
        }
        .article-hero .hero-desc {
            font-size: 1.1rem;
            line-height: 1.7;
            opacity: 0.90;
            max-width: 700px;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .article-hero .hero-desc p {
            margin-bottom: 0;
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 60px 0 40px;
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-top: 36px;
            margin-bottom: 16px;
            color: var(--text);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 28px;
            margin-bottom: 12px;
            color: var(--text);
        }
        .article-content p {
            margin-bottom: 16px;
            line-height: 1.8;
            color: var(--text);
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 16px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-bg);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--accent);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-content th,
        .article-content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-content th {
            background: var(--primary-bg);
            font-weight: 600;
            color: var(--primary-dark);
        }
        .article-content td {
            background: var(--bg-card);
        }
        .article-content .code-block {
            background: var(--bg-dark);
            color: #e8e8e8;
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            font-family: 'SF Mono', 'Fira Code', monospace;
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 24px 0;
        }
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found .icon-big {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 20px;
            opacity: 0.4;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .article-not-found p {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 24px;
        }

        /* ===== Tags ===== */
        .article-tags {
            padding: 24px 0 8px;
            border-top: 1px solid var(--border-light);
            margin-top: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .article-tags .label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-light);
        }

        /* ===== Related ===== */
        .related-section {
            background: var(--bg);
            padding: 80px 0;
        }
        .related-section .section-title {
            text-align: center;
        }
        .related-section .section-subtitle {
            text-align: center;
            margin: 0 auto 48px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            color: inherit;
        }
        .related-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 20px;
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .related-card .card-meta {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            color: var(--text-white);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 33, 113, 0.92) 0%, rgba(13, 71, 161, 0.80) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.85;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn {
            font-size: 1.05rem;
            padding: 16px 40px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 60px 0 30px;
        }
        .site-footer .site-logo {
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .site-footer .site-logo:hover {
            color: var(--text-white);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.70;
            margin-top: 8px;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col ul li a .icon {
            font-size: 0.65rem;
            opacity: 0.50;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            opacity: 0.60;
        }
        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .links a {
            color: rgba(255, 255, 255, 0.60);
            transition: color var(--transition);
        }
        .footer-bottom .links a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 900px) {
            .nav-cta .btn-text {
                display: none;
            }
            .nav-tabs {
                gap: 2px;
                padding: 3px;
            }
            .nav-tab {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .nav-tab .icon {
                font-size: 0.75rem;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .article-content {
                padding: 32px;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-top-row {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                gap: 16px;
            }
            .nav-top-row.open {
                display: flex;
            }
            .nav-tabs {
                flex-direction: column;
                background: transparent;
                gap: 4px;
                padding: 0;
                width: 100%;
            }
            .nav-tab {
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-tab.active {
                background: var(--primary-bg);
                box-shadow: none;
            }
            .nav-cta {
                width: 100%;
                flex-direction: column;
            }
            .nav-cta .btn {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .article-hero {
                padding: 72px 0 56px;
            }
            .article-hero h1 {
                font-size: 1.7rem;
            }
            .article-hero .hero-meta {
                gap: 12px;
                font-size: 0.82rem;
                flex-wrap: wrap;
            }
            .article-hero .hero-desc {
                font-size: 0.95rem;
                margin-top: 16px;
                padding-top: 16px;
            }
            .article-content {
                padding: 24px 20px;
                border-radius: var(--radius);
            }
            .article-main {
                padding: 32px 0 24px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .related-section {
                padding: 56px 0;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .links {
                justify-content: center;
                flex-wrap: wrap;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-hero .hero-desc {
                font-size: 0.88rem;
            }
            .article-content {
                padding: 16px;
            }
            .article-content h2 {
                font-size: 1.25rem;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .article-tags {
                gap: 8px;
            }
            .article-tags .tag {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .btn-lg {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
        }