/* roulang page: index */
:root {
            --primary: #6c5ce7;
            --primary-light: #a29bfe;
            --primary-dark: #4a3db5;
            --accent: #fbbf24;
            --accent-hover: #f59e0b;
            --cyan: #00cec9;
            --bg: #0b1023;
            --bg-soft: #111a33;
            --card: #151e3d;
            --card-hover: #1b2650;
            --card-border: rgba(255, 255, 255, 0.07);
            --text: #e9ecff;
            --text-weak: #9aa3c7;
            --border-light: rgba(255, 255, 255, 0.08);
            --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 14px 34px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.45);
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 26px;
            --transition: all 0.3s ease;
            --font-main: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 88px 0;
        }

        .section-alt {
            background: linear-gradient(180deg, rgba(17, 26, 51, 0.6), rgba(11, 16, 35, 0.2));
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(108, 92, 231, 0.14);
            border: 1px solid rgba(108, 92, 231, 0.3);
            color: var(--primary-light);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .section-head h2 {
            font-size: 38px;
            line-height: 1.3;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .section-head p {
            color: var(--text-weak);
            font-size: 17px;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #8e6cf5);
            color: #fff;
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.35);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            box-shadow: 0 12px 30px rgba(108, 92, 231, 0.45);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-light);
            color: var(--text);
            backdrop-filter: blur(6px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #1a1505;
            box-shadow: 0 8px 24px rgba(251, 191, 36, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(251, 191, 36, 0.4);
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 16px 38px;
            font-size: 16px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 16, 35, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 72px;
        }

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

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.4);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(108, 92, 231, 0.2);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            border-radius: 40px;
            padding: 8px 8px 8px 16px;
            gap: 8px;
            width: 220px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.2);
            background: rgba(255, 255, 255, 0.09);
        }

        .search-box input {
            flex: 1;
            font-size: 13px;
            color: var(--text);
            background: transparent;
            width: 100%;
            min-width: 0;
        }

        .search-box input::placeholder {
            color: rgba(154, 163, 199, 0.7);
        }

        .search-box button {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .search-box button:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0, 206, 201, 0.4);
        }

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-light);
            color: #fff;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 96px 0 88px;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 35, 0.92) 30%, rgba(17, 26, 51, 0.6) 70%, rgba(108, 92, 231, 0.2) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 40px;
            background: rgba(108, 92, 231, 0.18);
            border: 1px solid rgba(162, 155, 254, 0.3);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }

        .hero-badge i {
            font-size: 14px;
        }

        .hero-content h1 {
            font-size: 48px;
            line-height: 1.22;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            background: linear-gradient(120deg, var(--primary-light), var(--cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content p {
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-weak);
            margin-bottom: 32px;
            max-width: 540px;
        }

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

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .hero-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            background: linear-gradient(180deg, transparent 60%, rgba(11, 16, 35, 0.6));
        }

        .hero-visual-float {
            position: absolute;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: rgba(21, 30, 61, 0.88);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            transition: var(--transition);
        }

        .hero-visual-float:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5);
        }

        .hero-float-1 {
            top: 24px;
            left: 20px;
        }

        .hero-float-2 {
            bottom: 24px;
            right: 20px;
        }

        .float-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #fff;
            flex-shrink: 0;
        }

        .hero-visual-float strong {
            display: block;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }

        .hero-visual-float small {
            display: block;
            font-size: 12px;
            color: var(--text-weak);
            line-height: 1.3;
        }

        /* Features */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--card);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 32px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            background: var(--card-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(108, 92, 231, 0.3);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            box-shadow: 0 8px 20px rgba(108, 92, 231, 0.25);
            margin-bottom: 20px;
        }

        .feature-card:nth-child(2) .feature-icon {
            background: linear-gradient(135deg, #fa709a, #fee140);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: linear-gradient(135deg, #00b4d8, #90e0ef);
        }

        .feature-card:nth-child(4) .feature-icon {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-weak);
        }

        /* Categories */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            border: 1px solid var(--card-border);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .category-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 20%, rgba(11, 16, 35, 0.85) 100%);
            transition: var(--transition);
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, 0.4);
        }

        .category-card:hover::after {
            background: linear-gradient(180deg, rgba(108, 92, 231, 0.1) 0%, rgba(11, 16, 35, 0.9) 100%);
        }

        .category-card .cat-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .category-card .cat-body {
            position: relative;
            z-index: 2;
            padding: 28px;
            width: 100%;
        }

        .cat-badge {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(251, 191, 36, 0.2);
            border: 1px solid rgba(251, 191, 36, 0.3);
            border-radius: 30px;
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }

        .category-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .category-card p {
            font-size: 14px;
            color: rgba(233, 236, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--cyan);
            transition: var(--transition);
        }

        .category-card:hover .cat-link {
            gap: 10px;
            color: var(--primary-light);
        }

        /* Games */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .game-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--card-border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: rgba(108, 92, 231, 0.35);
        }

        .game-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .game-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .game-card:hover .game-cover img {
            transform: scale(1.08);
        }

        .game-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(11, 16, 35, 0.7);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .game-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .game-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .game-body p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }

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

        .game-rate {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
        }

        .game-rate i {
            font-size: 12px;
        }

        .game-type {
            font-size: 12px;
            color: var(--text-weak);
        }

        /* News */
        .news-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .news-feature {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            border: 1px solid var(--card-border);
            transition: var(--transition);
        }

        .news-feature:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .news-feature .news-feature-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-feature::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(11, 16, 35, 0.9) 100%);
        }

        .news-feature .news-feature-body {
            position: relative;
            z-index: 2;
            padding: 28px;
            width: 100%;
        }

        .news-feature .news-feature-body .news-cat {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(108, 92, 231, 0.4);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }

        .news-feature .news-feature-body h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-feature .news-feature-body p {
            font-size: 14px;
            color: rgba(233, 236, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .news-feature .news-date {
            font-size: 13px;
            color: rgba(233, 236, 255, 0.6);
        }

        .news-feed {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: block;
            background: var(--card);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            padding: 20px 22px;
            transition: var(--transition);
            position: relative;
        }

        .news-item:hover {
            background: var(--card-hover);
            border-color: rgba(108, 92, 231, 0.35);
            transform: translateX(6px);
            box-shadow: var(--shadow-sm);
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
        }

        .news-cat {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-light);
            background: rgba(108, 92, 231, 0.12);
            padding: 3px 10px;
            border-radius: 4px;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-weak);
        }

        .news-item h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.5;
            transition: var(--transition);
        }

        .news-item:hover h3 {
            color: var(--primary-light);
        }

        .news-item p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            padding: 48px;
            text-align: center;
            background: var(--card);
            border-radius: var(--radius);
            border: 1px dashed rgba(255, 255, 255, 0.15);
            color: var(--text-weak);
            font-size: 15px;
        }

        /* Stats */
        .stats {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(0, 206, 201, 0.06));
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

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

        .stat-item {
            padding: 36px 20px;
            border-radius: var(--radius);
            background: rgba(21, 30, 61, 0.6);
            border: 1px solid var(--card-border);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-item:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 92, 231, 0.3);
            background: rgba(21, 30, 61, 0.9);
        }

        .stat-num {
            display: block;
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            background: linear-gradient(120deg, var(--primary-light), var(--cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            display: block;
            margin-top: 8px;
            font-size: 14px;
            color: var(--text-weak);
            font-weight: 500;
        }

        /* Process */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .process-step {
            position: relative;
            background: var(--card);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
        }

        .process-step:hover {
            background: var(--card-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 28px;
            font-weight: 800;
            color: rgba(108, 92, 231, 0.25);
            line-height: 1;
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #fff;
            box-shadow: 0 8px 20px rgba(108, 92, 231, 0.2);
        }

        .process-step:nth-child(2) .step-icon {
            background: linear-gradient(135deg, #fa709a, #fee140);
            box-shadow: 0 8px 20px rgba(250, 112, 154, 0.2);
        }

        .process-step:nth-child(3) .step-icon {
            background: linear-gradient(135deg, #00b4d8, #90e0ef);
            box-shadow: 0 8px 20px rgba(0, 180, 216, 0.2);
        }

        .process-step:nth-child(4) .step-icon {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.2);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
            background: var(--card-hover);
        }

        .faq-item summary {
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: var(--transition);
        }

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

        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--text-weak);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

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

        .faq-item p {
            padding: 0 26px 22px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
            margin-top: 0;
        }

        /* CTA */
        .cta-section {
            padding: 100px 0;
            position: relative;
        }

        .cta-inner {
            position: relative;
            border-radius: var(--radius-lg);
            padding: 64px 56px;
            text-align: center;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .cta-inner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 16, 35, 0.88), rgba(108, 92, 231, 0.25));
        }

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

        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(233, 236, 255, 0.8);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* Footer */
        .site-footer {
            background: #080d1d;
            border-top: 1px solid var(--border-light);
            padding: 64px 0 32px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid var(--border-light);
        }

        .footer-brand .brand-text {
            font-size: 20px;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 14px;
            color: var(--text-weak);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(154, 163, 199, 0.7);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom .footer-links a {
            font-size: 13px;
            color: rgba(154, 163, 199, 0.7);
            transition: var(--transition);
        }

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

        /* Media Queries */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .search-box {
                width: 160px;
            }

            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .hero-content h1 {
                font-size: 38px;
            }

            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-wrap {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .header-inner {
                height: 64px;
            }

            .brand-text {
                font-size: 16px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 16, 35, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                z-index: 99;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                padding: 14px 16px;
                border-radius: 10px;
                font-size: 15px;
            }

            .nav-link.active::after {
                display: none;
            }

            .header-actions {
                gap: 8px;
            }

            .search-box {
                width: 40px;
                padding: 8px;
                border-radius: 50%;
                overflow: hidden;
            }

            .search-box input {
                display: none;
            }

            .search-box button {
                width: 24px;
                height: 24px;
            }

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

            .cta-btn-header {
                display: none;
            }

            .hero {
                padding: 64px 0 56px;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 34px;
            }

            .hero-visual img {
                height: 300px;
            }

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

            .category-card {
                min-height: 240px;
            }

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

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

            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stat-num {
                font-size: 28px;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-inner {
                padding: 40px 24px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-actions {
                flex-direction: column;
            }

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

            .cta-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 10px;
            }

            .brand-text {
                font-size: 15px;
            }

            .hero-content h1 {
                font-size: 28px;
            }

            .hero-content p {
                font-size: 15px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head p {
                font-size: 15px;
            }

            .hero-visual-float {
                padding: 10px 14px;
            }

            .hero-visual-float strong {
                font-size: 13px;
            }

            .hero-visual-float small {
                font-size: 11px;
            }

            .float-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 10px;
            }

            .game-cover {
                height: 160px;
            }

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

            .stat-item {
                padding: 24px 12px;
            }

            .stat-num {
                font-size: 24px;
            }

            .news-feature .news-feature-body h3 {
                font-size: 18px;
            }

            .faq-item summary {
                padding: 18px 18px;
                font-size: 14px;
            }

            .faq-item p {
                padding: 0 18px 18px;
                font-size: 13px;
            }

            .footer-top {
                gap: 24px;
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.7s ease forwards;
        }

        .hero-content {
            animation: fadeInUp 0.8s ease forwards;
        }

        .hero-visual {
            animation: fadeInUp 1s ease 0.2s both;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #6c5ce7;
            --primary-light: #a29bfe;
            --primary-dark: #4a3cb5;
            --accent: #fd79a8;
            --accent-light: #ffe0ec;
            --bg: #f8f7ff;
            --bg-deep: #1a1a2e;
            --card-bg: #ffffff;
            --text: #2d2d3a;
            --text-light: #6b6b80;
            --border: #e8e6f0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 12px rgba(108, 92, 231, 0.06);
            --shadow-md: 0 8px 30px rgba(108, 92, 231, 0.10);
            --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.16);
            --space-section: 100px;
            --space-section-mobile: 64px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease, opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(232, 230, 240, 0.7);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(108, 92, 231, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

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

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 12px;
            color: #fff;
            font-weight: 900;
            font-size: 18px;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
        }

        .brand-text {
            font-size: 22px;
            font-weight: 900;
            color: var(--text);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }

        .nav-link {
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(108, 92, 231, 0.08);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(108, 92, 231, 0.12);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 16px;
            gap: 8px;
            width: 220px;
            transition: all 0.3s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
            background: #fff;
        }

        .search-box i {
            color: var(--text-light);
            font-size: 14px;
        }

        .search-box input {
            width: 100%;
            font-size: 14px;
            color: var(--text);
            background: transparent;
        }

        .search-box input::placeholder {
            color: #a0a0b8;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
            transition: all 0.3s ease;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(108, 92, 231, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
        }

        .btn-primary:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(108, 92, 231, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            border-radius: 999px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: rgba(108, 92, 231, 0.1);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-size: 18px;
            cursor: pointer;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 110px 0 90px;
            background: linear-gradient(135deg, var(--bg-deep) 0%, #2d1b69 100%);
            overflow: hidden;
            isolation: isolate;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: -2;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(253, 121, 168, 0.2) 0%, transparent 60%);
            z-index: -1;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 8px 20px;
            color: #e0d6ff;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .banner-badge i {
            color: var(--accent);
        }

        .page-banner h1 {
            font-size: 56px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .page-banner h1 span {
            background: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-banner .banner-desc {
            max-width: 680px;
            margin: 0 auto 36px;
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.8);
        }

        .banner-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .banner-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
        }

        .banner-meta-item i {
            color: var(--accent);
            font-size: 18px;
        }

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

        .banner-actions .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #e84393 100%);
            box-shadow: 0 6px 24px rgba(253, 121, 168, 0.35);
        }

        .banner-actions .btn-outline {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .banner-actions .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-head {
            max-width: 760px;
            margin: 0 auto 56px;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            background: rgba(108, 92, 231, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .section-head h2 {
            font-size: 40px;
            font-weight: 900;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== Intro / Featured ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .intro-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .intro-visual img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .intro-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(26, 26, 46, 0.4) 100%);
            pointer-events: none;
        }

        .intro-visual .img-caption {
            position: absolute;
            bottom: 20px;
            left: 24px;
            right: 24px;
            color: #fff;
            font-size: 14px;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .intro-visual .img-caption i {
            color: var(--accent);
        }

        .intro-content .content-title {
            font-size: 34px;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text);
        }

        .intro-content .content-desc {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .feature-list {
            display: grid;
            gap: 16px;
            margin-bottom: 32px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .feature-item i {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(108, 92, 231, 0.12);
            color: var(--primary);
            border-radius: 12px;
            font-size: 16px;
            flex-shrink: 0;
        }

        .feature-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== Game Cards ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .game-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(108, 92, 231, 0.3);
        }

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

        .game-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .game-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(26, 26, 46, 0.6) 100%);
            opacity: 0.7;
            transition: opacity 0.3s;
        }

        .game-card:hover .game-card-cover::after {
            opacity: 1;
        }

        .game-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            z-index: 2;
            backdrop-filter: blur(8px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .game-rating {
            position: absolute;
            top: 14px;
            right: 14px;
            display: flex;
            align-items: center;
            gap: 5px;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(8px);
            color: #ffd767;
            padding: 5px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            z-index: 2;
        }

        .game-rating i {
            font-size: 11px;
        }

        .game-card-body {
            padding: 24px;
        }

        .game-card-body h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text);
            line-height: 1.4;
        }

        .game-card-body .game-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 14px;
        }

        .game-card-body .game-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .game-card-body .game-meta i {
            color: var(--primary);
            font-size: 12px;
        }

        .game-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .game-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .game-genres {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .genre-tag {
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 500;
        }

        .card-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: gap 0.3s;
        }

        .card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ===== Top Ranking ===== */
        .ranking-section {
            background: linear-gradient(135deg, var(--bg-deep) 0%, #2d1b69 100%);
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }

        .ranking-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: -2;
        }

        .ranking-section::after {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: rgba(253, 121, 168, 0.1);
            border-radius: 50%;
            filter: blur(80px);
            z-index: -1;
        }

        .ranking-section .section-head h2 {
            color: #fff;
        }

        .ranking-section .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .ranking-section .section-tag {
            background: rgba(253, 121, 168, 0.2);
            color: var(--accent);
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .rank-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .rank-card:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-6px);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .rank-number {
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            border-radius: 14px;
            color: #fff;
        }

        .rank-number-1 {
            background: linear-gradient(135deg, #f6c945, #f2994a);
            box-shadow: 0 4px 16px rgba(242, 153, 74, 0.4);
        }

        .rank-number-2 {
            background: linear-gradient(135deg, #c0c8d0, #8892a0);
            box-shadow: 0 4px 16px rgba(136, 146, 160, 0.4);
        }

        .rank-number-3 {
            background: linear-gradient(135deg, #e8936d, #c06a45);
            box-shadow: 0 4px 16px rgba(192, 106, 69, 0.4);
        }

        .rank-number-default {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .rank-card h3 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .rank-card p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            line-height: 1.5;
        }

        .rank-score {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 12px;
            background: rgba(255, 255, 255, 0.1);
            padding: 4px 14px;
            border-radius: 999px;
            color: #ffd767;
            font-size: 14px;
            font-weight: 700;
        }

        /* ===== Categories / Types ===== */
        .type-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .type-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: all 0.4s ease;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .type-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .type-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(108, 92, 231, 0.25);
        }

        .type-card:hover::before {
            opacity: 1;
        }

        .type-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            font-size: 24px;
            color: var(--primary);
            background: rgba(108, 92, 231, 0.1);
            transition: all 0.4s ease;
        }

        .type-card:hover .type-icon {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            transform: rotate(-6deg) scale(1.05);
        }

        .type-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .type-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== Stats / Data ===== */
        .stats-section {
            background: linear-gradient(135deg, #f0edff 0%, #ffe0ec 100%);
        }

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

        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.8);
            padding: 40px 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .stat-number {
            font-size: 44px;
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.3);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
        }

        .faq-question i {
            color: var(--primary);
            font-size: 14px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(108, 92, 231, 0.1);
            border-radius: 50%;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 24px 24px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0;
            position: relative;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #5a2d82 100%);
            border-radius: var(--radius-lg);
            padding: 64px 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transform: translateY(60px);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: rgba(253, 121, 168, 0.15);
            border-radius: 50%;
            filter: blur(20px);
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .cta-actions .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .cta-actions .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            transform: translateY(-2px);
        }

        .cta-actions .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .cta-actions .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 100px;
            position: relative;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand {
            margin-bottom: 20px;
        }

        .footer-brand .brand-mark {
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }

        .footer-brand .brand-text {
            color: #fff;
        }

        .footer-brand p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-col ul li a i {
            width: 16px;
            font-size: 14px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 28px 0;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 14px;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 28px;
            }

            .main-nav {
                gap: 4px;
            }

            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
            }

            .search-box {
                width: 180px;
            }

            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .ranking-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .type-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .intro-grid {
                gap: 40px;
            }

            .cta-box {
                padding: 48px 40px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }

            .header-inner {
                height: 64px;
            }

            .brand-text {
                font-size: 18px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                gap: 8px;
                box-shadow: 0 16px 40px rgba(26, 26, 46, 0.12);
                border-bottom: 1px solid var(--border);
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                text-align: center;
                padding: 14px;
                font-size: 16px;
            }

            .nav-link.active::after {
                display: none;
            }

            .search-box {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .header-actions .btn-primary {
                padding: 10px 18px;
                font-size: 14px;
            }

            .page-banner {
                padding: 80px 0 60px;
            }

            .page-banner h1 {
                font-size: 36px;
            }

            .page-banner .banner-desc {
                font-size: 16px;
            }

            .banner-meta {
                gap: 16px;
                margin-bottom: 28px;
            }

            .section-head h2 {
                font-size: 30px;
            }

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

            .intro-content .content-title {
                font-size: 28px;
            }

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

            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .cta-box {
                padding: 40px 24px;
                transform: translateY(40px);
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
                max-width: 320px;
            }

            .site-footer {
                padding-top: 80px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 20px;
            }

            .page-banner h1 {
                font-size: 30px;
            }

            .page-banner .banner-desc {
                font-size: 15px;
            }

            .banner-meta-item {
                font-size: 13px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .game-card-body {
                padding: 18px;
            }

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

            .type-grid {
                gap: 16px;
            }

            .footer-top {
                grid-template-columns: 1fr;
            }

            .footer-brand {
                grid-column: auto;
            }

            .feature-item {
                padding: 14px 16px;
            }

            .feature-link {
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 10px;
                margin-top: 24px;
                color: var(--primary);
                font-weight: 600;
                font-size: 15px;
            }

            .feature-link:hover {
                gap: 14px;
                color: var(--primary-dark);
            }

            .feature-link i {
                transition: transform 0.3s;
            }

            .download-notes {
                font-size: 12px;
                color: var(--text-light);
                text-align: center;
                margin-top: 16px;
                line-height: 1.7;
            }

            .download-notes a {
                color: var(--primary);
            }
        }

        @media (max-width: 320px) {
            .brand-text {
                font-size: 16px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .header-actions .btn-primary {
                display: none;
            }

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

/* roulang page: article */
:root {
            --primary: #6d5ef3;
            --primary-dark: #5646d6;
            --primary-light: #8b7ff8;
            --accent: #ff8a5c;
            --accent-light: #ffe8de;
            --bg: #f8f7fc;
            --bg-deep: #f0eef8;
            --white: #ffffff;
            --text: #1f1b2d;
            --text-soft: #6b6677;
            --text-light: #8e8a99;
            --border: #e6e3f0;
            --border-light: #f0eef7;
            --radius-xl: 24px;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(31, 27, 45, 0.06);
            --shadow-md: 0 8px 30px rgba(31, 27, 45, 0.08);
            --shadow-lg: 0 20px 60px rgba(31, 27, 45, 0.12);
            --shadow-primary: 0 10px 30px rgba(109, 94, 243, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 72px;
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--primary); }
        ul, ol { list-style: none; }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input, textarea { font-family: inherit; outline: none; border: none; }

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

        /* Header */
        .site-header { position: sticky; top: 0; z-index: 1100; height: var(--header-h); background: rgba(255,255,255,0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-light); }
        .header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
        .brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .brand-mark { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; font-size: 18px; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-primary); }
        .brand-text { font-size: 18px; font-weight: 700; letter-spacing: 0.2px; white-space: nowrap; color: var(--text); }
        .main-nav { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
        .nav-link { display: inline-block; padding: 8px 16px; border-radius: 10px; font-size: 15px; font-weight: 500; color: var(--text-soft); transition: var(--transition); position: relative; }
        .nav-link:hover { color: var(--primary); background: rgba(109,94,243,0.06); }
        .nav-link.active { color: var(--primary); background: rgba(109,94,243,0.10); font-weight: 600; }
        .header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
        .search-box { position: relative; display: flex; align-items: center; background: var(--bg-deep); border: 1px solid var(--border); border-radius: 10px; height: 38px; padding: 0 12px; transition: var(--transition); }
        .search-box i { color: var(--text-light); font-size: 14px; }
        .search-box input { border: none; background: transparent; color: var(--text); font-size: 13px; padding: 0 8px; width: 120px; }
        .search-box input::placeholder { color: var(--text-light); }
        .search-box:focus-within { border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 3px rgba(109,94,243,0.12); }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 600; line-height: 1.2; transition: var(--transition); white-space: nowrap; border: 1px solid transparent; }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 40px rgba(109,94,243,0.35); }
        .btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-primary); }
        .btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
        .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(109,94,243,0.04); transform: translateY(-1px); }
        .btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 12px; }
        .menu-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; align-items: center; justify-content: center; background: var(--bg-deep); color: var(--text); font-size: 18px; transition: var(--transition); }
        .menu-toggle:hover { background: rgba(109,94,243,0.1); color: var(--primary); }

        /* Article Hero */
        .article-hero { position: relative; background: linear-gradient(135deg, #1f1b2d 0%, #2d2845 40%, #3a2e5c 100%); color: #fff; padding: 72px 0 56px; overflow: hidden; }
        .article-hero::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.18; }
        .article-hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 0%, rgba(109,94,243,0.25) 0%, transparent 60%); }
        .article-hero .container { position: relative; z-index: 1; }
        .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 20px; }
        .breadcrumb a { color: rgba(255,255,255,0.65); transition: var(--transition); }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb .divider { opacity: 0.4; }
        .breadcrumb .current { color: rgba(255,255,255,0.9); }
        .article-hero h1 { font-size: 36px; font-weight: 800; line-height: 1.3; margin-bottom: 16px; max-width: 720px; letter-spacing: 0.3px; }
        .article-hero .hero-meta { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,0.7); }
        .hero-meta .tag-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(109,94,243,0.3); border: 1px solid rgba(255,255,255,0.15); padding: 4px 14px; border-radius: 20px; font-size: 13px; color: #fff; }
        .hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .hero-meta i { font-size: 14px; }

        /* Article Content Area */
        .article-section { padding: 56px 0 24px; }
        .article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 40px; align-items: start; }
        .article-main { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; border: 1px solid var(--border-light); }
        .article-card-pad { padding: 40px 48px; }
        .article-body { font-size: 16px; line-height: 1.95; color: var(--text); }
        .article-body p { margin-bottom: 1.6em; }
        .article-body h2 { font-size: 24px; font-weight: 700; margin: 2em 0 1em; padding-left: 14px; border-left: 4px solid var(--primary); line-height: 1.4; }
        .article-body h3 { font-size: 20px; font-weight: 600; margin: 1.8em 0 0.8em; line-height: 1.4; }
        .article-body h4 { font-size: 17px; font-weight: 600; margin: 1.5em 0 0.5em; }
        .article-body ul, .article-body ol { padding-left: 1.4em; margin-bottom: 1.6em; }
        .article-body ul li { list-style: disc; margin-bottom: 0.5em; }
        .article-body ol li { list-style: decimal; margin-bottom: 0.5em; }
        .article-body img { border-radius: var(--radius-md); margin: 1.5em 0; box-shadow: var(--shadow-md); }
        .article-body blockquote { border-left: 4px solid var(--accent); background: var(--accent-light); padding: 18px 24px; margin: 1.5em 0; border-radius: 0 var(--radius-md) var(--radius-md) 0; font-style: italic; color: #5a4438; }
        .article-body code { background: var(--bg-deep); padding: 2px 8px; border-radius: 4px; font-family: 'SFMono-Regular', Consolas, monospace; font-size: 0.9em; }
        .article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { color: var(--primary-dark); }

        .article-empty { padding: 80px 0; text-align: center; }
        .article-empty .empty-icon { width: 72px; height: 72px; border-radius: 50%; background: var(--accent-light); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 28px; margin: 0 auto 20px; }
        .article-empty h2 { font-size: 24px; margin-bottom: 12px; }
        .article-empty p { color: var(--text-soft); margin-bottom: 24px; }

        /* Article footer meta */
        .article-meta-bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding: 20px 48px; border-top: 1px solid var(--border-light); background: #fcfbfe; }
        .tag-list { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
        .tag-list .tag { display: inline-flex; align-items: center; padding: 4px 14px; background: var(--bg-deep); border-radius: 20px; font-size: 13px; color: var(--text-soft); transition: var(--transition); }
        .tag-list .tag:hover { background: rgba(109,94,243,0.1); color: var(--primary); }
        .share-actions { display: flex; align-items: center; gap: 10px; }
        .share-btn { width: 36px; height: 36px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--bg-deep); color: var(--text-soft); font-size: 15px; transition: var(--transition); }
        .share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-primary); }

        /* Sidebar */
        .article-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: calc(var(--header-h) + 24px); }
        .sidebar-card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); padding: 28px; }
        .sidebar-card .card-title { font-size: 16px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
        .sidebar-card .card-title i { color: var(--primary); }
        .sidebar-list li { margin-bottom: 2px; }
        .sidebar-list a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; font-size: 14px; color: var(--text-soft); transition: var(--transition); }
        .sidebar-list a:hover { background: rgba(109,94,243,0.06); color: var(--primary); }
        .sidebar-list a .num { width: 24px; height: 24px; border-radius: 8px; background: var(--bg-deep); color: var(--text-light); font-size: 12px; font-weight: 600; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .sidebar-list a:hover .num { background: var(--primary); color: #fff; }
        .sidebar-cta { background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: var(--radius-lg); padding: 28px; color: #fff; text-align: center; box-shadow: var(--shadow-primary); }
        .sidebar-cta h4 { font-size: 18px; margin-bottom: 10px; }
        .sidebar-cta p { font-size: 14px; opacity: 0.9; margin-bottom: 18px; line-height: 1.6; }
        .sidebar-cta .btn-white { background: #fff; color: var(--primary); padding: 10px 24px; border-radius: 10px; font-size: 14px; font-weight: 600; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; }
        .sidebar-cta .btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

        /* Related Articles */
        .related-section { padding: 48px 0 24px; }
        .section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
        .section-head h2 { font-size: 24px; font-weight: 700; }
        .section-head a { font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
        .related-card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--border-light); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); display: block; }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card .card-img { height: 150px; position: relative; overflow: hidden; }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .related-card:hover .card-img img { transform: scale(1.06); }
        .related-card .card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(31,27,45,0.3), transparent); }
        .related-card .card-img .cat { position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(109,94,243,0.85); color: #fff; padding: 3px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; backdrop-filter: blur(4px); }
        .related-card .card-body { padding: 20px 20px 24px; }
        .related-card h3 { font-size: 15px; font-weight: 600; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .card-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-light); }

        /* CTA */
        .cta-band { padding: 64px 0; margin-top: 40px; position: relative; }
        .cta-inner { background: linear-gradient(135deg, #1f1b2d, #3a2e5c); border-radius: var(--radius-xl); padding: 56px 64px; display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
        .cta-inner::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity: 0.15; }
        .cta-inner::after { content: ''; position: absolute; top: -80px; right: -80px; width: 260px; height: 260px; border-radius: 50%; background: rgba(109,94,243,0.35); filter: blur(80px); }
        .cta-text { position: relative; z-index: 1; color: #fff; }
        .cta-text h2 { font-size: 26px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
        .cta-text p { font-size: 15px; opacity: 0.75; max-width: 420px; line-height: 1.7; }
        .cta-btn-wrap { position: relative; z-index: 1; flex-shrink: 0; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
        .btn-cta { background: #fff; color: var(--primary-dark); padding: 14px 36px; border-radius: 14px; font-size: 15px; font-weight: 700; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
        .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(0,0,0,0.25); color: var(--primary); }
        .btn-cta-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.3); padding: 12px 28px; border-radius: 14px; font-size: 14px; font-weight: 600; transition: var(--transition); }
        .btn-cta-outline:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

        /* FAQ */
        .faq-section { padding: 56px 0; background: var(--white); border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
        .faq-wrap { max-width: 760px; margin: 0 auto; }
        .faq-item { border: 1px solid var(--border-light); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; background: var(--white); transition: var(--transition); }
        .faq-item:hover { border-color: var(--border); box-shadow: var(--shadow-sm); }
        .faq-q { width: 100%; text-align: left; padding: 18px 24px; font-size: 15px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--text); transition: var(--transition); }
        .faq-q i { color: var(--text-light); font-size: 13px; transition: transform 0.3s ease; flex-shrink: 0; }
        .faq-item.active .faq-q i { transform: rotate(180deg); color: var(--primary); }
        .faq-a { display: none; padding: 0 24px 20px; font-size: 14px; color: var(--text-soft); line-height: 1.8; }

        /* Footer */
        .site-footer { background: #16132a; color: #a7a2bc; padding: 64px 0 28px; }
        .footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 56px; margin-bottom: 48px; }
        .footer-brand .brand { margin-bottom: 16px; }
        .footer-brand .brand-mark { width: 40px; height: 40px; font-size: 18px; }
        .footer-brand .brand-text { color: #fff; font-size: 19px; }
        .footer-brand p { font-size: 14px; line-height: 1.8; opacity: 0.7; max-width: 260px; }
        .footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 20px; letter-spacing: 0.5px; }
        .footer-col ul li { margin-bottom: 12px; }
        .footer-col ul li a { color: #a7a2bc; font-size: 14px; transition: var(--transition); display: inline-flex; align-items: center; gap: 8px; }
        .footer-col ul li a i { font-size: 14px; width: 16px; opacity: 0.6; }
        .footer-col ul li a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(167,162,188,0.6); }
        .footer-links { display: flex; gap: 24px; }
        .footer-links a { color: rgba(167,162,188,0.6); font-size: 13px; transition: var(--transition); }
        .footer-links a:hover { color: #fff; }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav { gap: 0; }
            .nav-link { padding: 8px 12px; font-size: 14px; }
            .search-box { display: none; }
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        }
        @media (max-width: 820px) {
            .menu-toggle { display: flex; }
            .main-nav { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border-light); flex-direction: column; align-items: flex-start; padding: 16px 24px; gap: 4px; box-shadow: var(--shadow-md); z-index: 1090; }
            .main-nav.open { display: flex; }
            .main-nav .nav-link { width: 100%; padding: 12px 14px; font-size: 15px; }
            .header-cta-btn { display: none; }
            .related-grid { grid-template-columns: 1fr 1fr; }
            .cta-inner { flex-direction: column; padding: 40px 32px; text-align: center; }
            .cta-btn-wrap { align-items: center; }
            .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
            .article-hero h1 { font-size: 28px; }
            .article-card-pad { padding: 28px; }
            .article-meta-bottom { padding: 20px 28px; }
        }
        @media (max-width: 560px) {
            .container { padding: 0 16px; }
            .brand-text { font-size: 15px; }
            .header-inner { gap: 12px; }
            .article-hero { padding: 48px 0 36px; }
            .article-hero h1 { font-size: 23px; }
            .hero-meta { gap: 12px; font-size: 13px; }
            .related-grid { grid-template-columns: 1fr; }
            .article-sidebar { grid-template-columns: 1fr; }
            .section-head h2 { font-size: 20px; }
            .cta-inner { padding: 32px 24px; }
            .cta-text h2 { font-size: 22px; }
            .btn-lg { padding: 12px 24px; font-size: 15px; }
            .footer-top { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-card-pad { padding: 20px; }
            .article-meta-bottom { padding: 16px 20px; flex-direction: column; align-items: flex-start; }
        }
        @media (min-width: 821px) {
            .main-nav { display: flex !important; }
        }

/* roulang page: category2 */
:root {
            --primary: #6d5ef0;
            --primary-dark: #5140d8;
            --primary-light: #8b7cf8;
            --accent: #22d3ee;
            --accent-soft: #a5f3fc;
            --pink: #f472b6;
            --bg: #f7f8fc;
            --bg-deep: #0f0a1e;
            --surface: #ffffff;
            --text: #1a1530;
            --text-weak: #6f6b87;
            --border: rgba(109, 94, 240, .12);
            --radius: 20px;
            --radius-lg: 32px;
            --radius-sm: 12px;
            --shadow-sm: 0 2px 8px rgba(26, 21, 48, .06);
            --shadow-md: 0 8px 30px rgba(26, 21, 48, .08);
            --shadow-lg: 0 20px 60px rgba(109, 94, 240, .14);
            --container: 1200px;
            --font: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --transition: .25s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            line-height: 1.2;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(109, 94, 240, .35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(109, 94, 240, .42);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(109, 94, 240, .3);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, .88);
            color: var(--text);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .btn-ghost:hover {
            border-color: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(255, 255, 255, .24);
        }

        .btn-light:hover {
            background: var(--accent-soft);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, .3);
        }

        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .3px;
            background: rgba(109, 94, 240, .1);
            color: var(--primary-dark);
            border: 1px solid rgba(109, 94, 240, .16);
        }

        .badge-accent {
            background: rgba(34, 211, 238, .12);
            color: #0e7490;
            border-color: rgba(34, 211, 238, .2);
        }

        .badge-pink {
            background: rgba(244, 114, 182, .12);
            color: #be185d;
            border-color: rgba(244, 114, 182, .2);
        }

        .section {
            padding: 100px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 64px;
        }

        .section-eyebrow {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .5px;
            background: linear-gradient(135deg, rgba(109, 94, 240, .1), rgba(34, 211, 238, .1));
            color: var(--primary-dark);
            margin-bottom: 18px;
            border: 1px solid rgba(109, 94, 240, .12);
        }

        .section-title {
            font-size: clamp(28px, 4vw, 42px);
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -1px;
            color: var(--text);
        }

        .section-sub {
            margin-top: 18px;
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, .95);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: 76px;
        }

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

        .brand-mark {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(109, 94, 240, .3);
        }

        .brand-text {
            font-size: 17px;
            font-weight: 700;
            letter-spacing: -.3px;
            color: var(--text);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-weak);
            transition: all var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(109, 94, 240, .06);
        }

        .nav-link.active {
            color: var(--primary-dark);
            font-weight: 600;
            background: rgba(109, 94, 240, .1);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 99px;
            background: var(--primary);
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-shell {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .94);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 6px 0 16px;
            height: 40px;
            width: 220px;
            transition: box-shadow var(--transition), border-color var(--transition), width var(--transition);
        }

        .search-shell:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(109, 94, 240, .1);
            width: 260px;
        }

        .search-shell i {
            color: var(--text-weak);
            font-size: 14px;
        }

        .search-shell input {
            flex: 1;
            font-size: 13px;
            color: var(--text);
            background: transparent;
        }

        .search-shell input::placeholder {
            color: #a0a0b8;
        }

        .search-kbd {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: rgba(26, 21, 48, .05);
            font-size: 12px;
            color: var(--text-weak);
            border: 1px solid rgba(26, 21, 48, .06);
            font-family: ui-monospace, monospace;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(109, 94, 240, .06);
        }

        /* page hero */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #f2efff 0%, #e8f9fd 50%, #fdf0f7 100%);
            padding: 90px 0 120px;
            overflow: hidden;
            border-bottom: 1px solid rgba(109, 94, 240, .06);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: .18;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            width: 420px;
            height: 320px;
            right: -80px;
            top: -60px;
            background: radial-gradient(circle, rgba(109, 94, 240, .18), transparent 70%);
            border-radius: 50%;
            filter: blur(40px);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 28px;
        }

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

        .hero-breadcrumb i {
            font-size: 12px;
            color: #b8b6cf;
        }

        .hero-title {
            font-size: clamp(34px, 5vw, 54px);
            font-weight: 800;
            letter-spacing: -2px;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #1a1530 0%, var(--primary-dark) 40%, #0e7490 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-sub {
            font-size: 17px;
            color: var(--text-weak);
            max-width: 560px;
            line-height: 1.85;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }

        .hero-search {
            max-width: 460px;
            margin-top: 36px;
        }

        .hero-search-box {
            display: flex;
            align-items: center;
            gap: 12px;
            background: #fff;
            border-radius: 999px;
            padding: 6px 6px 6px 20px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, .8);
        }

        .hero-search-box i {
            color: var(--text-weak);
            font-size: 15px;
        }

        .hero-search-box input {
            flex: 1;
            font-size: 14px;
            padding: 12px 0;
            background: transparent;
        }

        .hero-search-box input::placeholder {
            color: #a0a0b8;
        }

        .hero-search-box .btn {
            border-radius: 999px;
        }

        /* community cards */
        .community-cards {
            margin-top: -60px;
            position: relative;
            z-index: 5;
        }

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

        .comm-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid rgba(239, 237, 250, .8);
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
            overflow: hidden;
        }

        .comm-card::after {
            content: '';
            position: absolute;
            width: 160px;
            height: 160px;
            right: -60px;
            bottom: -60px;
            background: radial-gradient(circle, rgba(109, 94, 240, .08), transparent 70%);
            border-radius: 50%;
        }

        .comm-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .comm-icon {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 24px;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            box-shadow: 0 8px 20px rgba(109, 94, 240, .25);
        }

        .comm-icon.i2 {
            background: linear-gradient(135deg, var(--accent), #0ea5e9);
            box-shadow: 0 8px 20px rgba(34, 211, 238, .25);
        }

        .comm-icon.i3 {
            background: linear-gradient(135deg, var(--pink), #f97316);
            box-shadow: 0 8px 20px rgba(244, 114, 182, .25);
        }

        .comm-card h3 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -.4px;
        }

        .comm-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 22px;
        }

        .comm-card .comm-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-weak);
        }

        .comm-card .comm-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .comm-card .comm-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 18px;
            transition: gap var(--transition);
        }

        .comm-card .comm-link:hover {
            gap: 10px;
        }

        /* hot topics */
        .hot-topics {
            background: linear-gradient(180deg, var(--bg) 0%, #f1f2fb 100%);
            padding: 100px 0;
        }

        .topic-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .topic-card {
            display: flex;
            gap: 22px;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid rgba(239, 237, 250, .8);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

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

        .topic-img {
            width: 140px;
            min-width: 140px;
            height: 120px;
            border-radius: 14px;
            object-fit: cover;
            background: #eef0fb;
        }

        .topic-body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-body .badge {
            align-self: flex-start;
            margin-bottom: 10px;
        }

        .topic-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            letter-spacing: -.2px;
            transition: color var(--transition);
        }

        .topic-card:hover .topic-body h3 {
            color: var(--primary-dark);
        }

        .topic-info {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: auto;
            font-size: 13px;
            color: var(--text-weak);
        }

        .topic-info span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .topic-info .avatar-group {
            display: inline-flex;
            align-items: center;
        }

        .topic-info .avatar-group img {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid #fff;
            margin-left: -8px;
        }

        .topic-info .avatar-group img:first-child {
            margin-left: 0;
        }

        /* stats */
        .stats-section {
            background: var(--bg-deep);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            left: -150px;
            top: -150px;
            background: radial-gradient(circle, rgba(109, 94, 240, .25), transparent 60%);
            border-radius: 50%;
            filter: blur(60px);
        }

        .stats-section::after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            right: -100px;
            bottom: -100px;
            background: radial-gradient(circle, rgba(34, 211, 238, .2), transparent 60%);
            border-radius: 50%;
            filter: blur(60px);
        }

        .stats-section .container {
            position: relative;
            z-index: 2;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-item {
            padding: 30px 20px;
        }

        .stat-number {
            font-size: clamp(34px, 4vw, 52px);
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #fff, var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 10px;
            letter-spacing: .5px;
        }

        /* gallery */
        .gallery-section {
            padding: 100px 0;
            background: #fff;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .gallery-item {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 3 / 3.6;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .gallery-item:hover {
            transform: translateY(-6px) scale(1.02);
            box-shadow: var(--shadow-lg);
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .gallery-item:hover img {
            transform: scale(1.06);
        }

        .gallery-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 10, 30, 0) 35%, rgba(15, 10, 30, .76) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
            opacity: .9;
            transition: opacity var(--transition);
        }

        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }

        .gallery-overlay h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .gallery-overlay p {
            color: rgba(255, 255, 255, .75);
            font-size: 13px;
        }

        /* events */
        .events-section {
            background: linear-gradient(135deg, #f8f7ff, #eefafd);
            padding: 100px 0;
        }

        .event-grid {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .event-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .event-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .event-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(109, 94, 240, .18));
        }

        .event-content .section-eyebrow {
            margin-left: 0;
            margin-bottom: 16px;
        }

        .event-content h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 700;
            letter-spacing: -1px;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .event-content p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.85;
            margin-bottom: 28px;
        }

        .event-list {
            display: grid;
            gap: 14px;
            margin-bottom: 32px;
        }

        .event-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #fff;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(239, 237, 250, .8);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .event-list-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
        }

        .event-list-item i {
            font-size: 18px;
            color: var(--primary);
            margin-top: 2px;
            min-width: 24px;
        }

        .event-list-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 2px;
        }

        .event-list-item p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
        }

        /* faq */
        .faq-section {
            padding: 100px 0;
            background: #fff;
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            background: #fff;
            transition: box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }

        .faq-item.active {
            border-color: rgba(109, 94, 240, .3);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 22px 26px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-dark);
        }

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            min-width: 30px;
            border-radius: 10px;
            background: rgba(109, 94, 240, .08);
            color: var(--primary);
            transition: transform var(--transition), background var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }

        .faq-answer-inner {
            padding: 0 26px 24px 72px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.85;
        }

        /* cta */
        .cta-section {
            padding: 80px 0 100px;
            background: #fff;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #0e7490 100%);
            border-radius: var(--radius-lg);
            padding: 70px 60px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            box-shadow: 0 30px 70px rgba(109, 94, 240, .3);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            right: -60px;
            top: -100px;
            background: radial-gradient(circle, rgba(255, 255, 255, .2), transparent 60%);
            border-radius: 50%;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            left: 30%;
            bottom: -120px;
            background: radial-gradient(circle, rgba(34, 211, 238, .25), transparent 70%);
            border-radius: 50%;
        }

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

        .cta-text h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            color: #fff;
            font-weight: 700;
            letter-spacing: -1px;
            margin-bottom: 14px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, .85);
            font-size: 15px;
            max-width: 420px;
            line-height: 1.8;
        }

        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        /* footer */
        .site-footer {
            background: var(--bg-deep);
            padding: 70px 0 0;
            color: rgba(255, 255, 255, .7);
            position: relative;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 46px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand .brand {
            margin-bottom: 18px;
        }

        .footer-brand .brand-text {
            color: #fff;
        }

        .footer-brand .brand-mark {
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.85;
            max-width: 320px;
            color: rgba(255, 255, 255, .6);
        }

        .footer-col h4 {
            font-size: 15px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 22px;
        }

        .footer-col ul {
            display: grid;
            gap: 12px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-col ul a i {
            width: 20px;
            color: rgba(255, 255, 255, .4);
            transition: color var(--transition);
        }

        .footer-col ul a:hover i {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 26px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

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

        .footer-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            transition: color var(--transition);
        }

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

        /* responsive */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 14px;
            }

            .search-shell {
                width: 170px;
            }

            .search-shell:focus-within {
                width: 200px;
            }

            .main-nav {
                gap: 2px;
            }

            .nav-link {
                padding: 8px 12px;
                font-size: 13px;
            }

            .topic-list {
                grid-template-columns: 1fr;
            }

            .gallery-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }

            .event-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 70px 0;
            }

            .header-inner {
                height: 66px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .main-nav {
                position: fixed;
                top: 66px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 24px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                display: none;
                z-index: 999;
            }

            .main-nav.open {
                display: flex;
            }

            .nav-link {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 12px;
            }

            .nav-link.active::after {
                display: none;
            }

            .search-shell {
                display: none;
            }

            .header-tools .btn {
                display: none;
            }

            .header-tools .nav-toggle {
                display: inline-flex;
            }

            .page-hero {
                padding: 60px 0 110px;
            }

            .hero-title {
                font-size: 34px;
            }

            .cards-grid-3 {
                grid-template-columns: 1fr;
            }

            .topic-card {
                flex-direction: column;
            }

            .topic-img {
                width: 100%;
                height: 180px;
            }

            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-box {
                flex-direction: column;
                padding: 46px 30px;
                text-align: center;
            }

            .cta-text p {
                margin: 0 auto;
            }

            .cta-actions {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .gallery-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .gallery-overlay {
                padding: 16px;
            }

            .gallery-overlay h4 {
                font-size: 14px;
            }

            .gallery-overlay p {
                font-size: 12px;
            }

            .hero-tags {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-search-box {
                flex-wrap: wrap;
                padding: 10px;
                border-radius: 20px;
            }

            .hero-search-box input {
                min-width: 100%;
                padding: 8px 10px;
            }

            .hero-search-box .btn {
                width: 100%;
                justify-content: center;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-item {
                padding: 20px 10px;
            }

            .event-media img {
                height: 260px;
            }

            .faq-question {
                padding: 18px 18px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 0 18px 20px 54px;
            }

            .cta-box {
                padding: 36px 22px;
                border-radius: 24px;
            }
        }

        /* focus accessibility */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(109, 94, 240, .4);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* animations */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-up {
            animation: fadeUp .7s ease both;
        }

        .delay-1 {
            animation-delay: .1s;
        }

        .delay-2 {
            animation-delay: .2s;
        }

        .delay-3 {
            animation-delay: .3s;
        }

/* roulang page: category3 */
:root {
            --primary: #7c5cfc;
            --primary-light: #a78bfa;
            --primary-dark: #5b3df5;
            --accent: #ffb86b;
            --accent-light: #ffd58a;
            --bg-dark: #0b0918;
            --bg-body: #0f0d1f;
            --bg-card: #171430;
            --bg-card-hover: #1e1a3c;
            --bg-light: #241f45;
            --text-main: #eceaf6;
            --text-secondary: #a09db8;
            --text-muted: #6e6b87;
            --border-color: #2c284a;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 8px 32px rgba(0,0,0,0.35);
            --shadow-lg: 0 16px 56px rgba(0,0,0,0.45);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(124, 92, 252, 0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(124, 92, 252, 0.5);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #f59e42);
            color: #1a130a;
            box-shadow: 0 4px 20px rgba(255, 184, 107, 0.35);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 184, 107, 0.5);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.03);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(124, 92, 252, 0.15);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 40px;
            font-size: 16px;
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .tag:hover {
            border-color: var(--primary);
            color: var(--text-main);
            background: rgba(124, 92, 252, 0.1);
        }
        .tag.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 16px rgba(124, 92, 252, 0.35);
        }
        .tag-light {
            background: rgba(124, 92, 252, 0.15);
            border-color: rgba(124, 92, 252, 0.3);
            color: var(--primary-light);
            font-size: 13px;
            padding: 4px 14px;
        }

        /* 徽章 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }
        .badge-primary {
            background: rgba(124, 92, 252, 0.2);
            color: var(--primary-light);
        }
        .badge-accent {
            background: rgba(255, 184, 107, 0.15);
            color: var(--accent);
        }
        .badge-success {
            background: rgba(52, 211, 153, 0.15);
            color: #34d399;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 9, 24, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 76px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 11px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 4px 16px rgba(124, 92, 252, 0.4);
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 1px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            gap: 4px;
            margin: 0 auto;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-link.active {
            color: var(--text-main);
            background: rgba(124, 92, 252, 0.22);
            box-shadow: inset 0 0 0 1px rgba(124, 92, 252, 0.3);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 999px;
            padding: 8px 18px;
            width: 220px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: rgba(124, 92, 252, 0.1);
            box-shadow: 0 0 0 4px rgba(124, 92, 252, 0.1);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .search-box input {
            width: 100%;
            background: transparent;
            color: var(--text-main);
            font-size: 14px;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            cursor: pointer;
            z-index: 110;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-main);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 110px 0 90px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 9, 24, 0.92) 0%, rgba(11, 9, 24, 0.75) 50%, rgba(124, 92, 252, 0.25) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 999px;
            background: rgba(124, 92, 252, 0.2);
            border: 1px solid rgba(124, 92, 252, 0.4);
            color: var(--primary-light);
            font-size: 15px;
            font-weight: 600;
            backdrop-filter: blur(8px);
            margin-bottom: 24px;
        }
        .hero-content h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 2px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 60px rgba(124, 92, 252, 0.3);
        }
        .hero-content .subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 36px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            padding: 6px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            max-width: 520px;
            margin: 0 auto 40px;
            transition: var(--transition);
        }
        .hero-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(124, 92, 252, 0.15);
        }
        .hero-search i {
            color: var(--text-muted);
            font-size: 16px;
            padding-left: 16px;
        }
        .hero-search input {
            flex: 1;
            padding: 8px 10px;
            color: var(--text-main);
            font-size: 15px;
            background: transparent;
        }
        .hero-search input::placeholder {
            color: var(--text-muted);
        }
        .hero-search .btn {
            flex-shrink: 0;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 60px;
        }
        .hero-stats .stat {
            text-align: center;
        }
        .hero-stats .stat strong {
            display: block;
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
        }
        .hero-stats .stat span {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* ========== Tag Filter ========== */
        .tag-section {
            padding: 48px 0 24px;
            background: var(--bg-body);
        }
        .tag-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        /* ========== Section Head ========== */
        .section-head {
            margin-bottom: 48px;
            text-align: center;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-head.light h2 {
            color: var(--text-main);
        }
        .section-head.light p {
            color: var(--text-secondary);
        }

        /* ========== Guide Section ========== */
        .guide-section {
            padding: 24px 0 80px;
            background: var(--bg-body);
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: transparent;
            box-shadow: var(--shadow-lg);
            background: var(--bg-card-hover);
        }
        .guide-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle, rgba(124, 92, 252, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
            opacity: 0;
            transition: var(--transition);
        }
        .guide-card:hover::before {
            opacity: 1;
        }
        .card-cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        .guide-card:hover .card-cover img {
            transform: scale(1.05);
        }
        .card-cover .tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(11, 9, 24, 0.7);
            backdrop-filter: blur(8px);
            border-color: rgba(255, 255, 255, 0.15);
            color: var(--text-main);
            z-index: 1;
            font-size: 13px;
        }
        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            position: relative;
            z-index: 1;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .guide-card:hover .card-body h3 {
            color: var(--primary-light);
        }
        .card-body p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 16px;
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-meta .meta-item {
            display: inline-flex;
            align-items: center;
        }

        /* ========== Ranking Section ========== */
        .ranking-section {
            padding: 100px 0;
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .ranking-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(124, 92, 252, 0.3), transparent 70%);
            border-radius: 50%;
        }
        .ranking-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .ranking-item:hover {
            background: rgba(124, 92, 252, 0.08);
            border-color: rgba(124, 92, 252, 0.3);
            transform: translateX(6px);
        }
        .ranking-num {
            font-size: 26px;
            font-weight: 800;
            width: 48px;
            text-align: center;
            flex-shrink: 0;
            font-style: italic;
            background: linear-gradient(180deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .ranking-num.top1 {
            background: linear-gradient(180deg, #ffd700, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .ranking-num.top2 {
            background: linear-gradient(180deg, #c0c0c0, #888);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .ranking-num.top3 {
            background: linear-gradient(180deg, #cd7f32, #a0522d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .ranking-info .sub {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .ranking-rating {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(255, 184, 107, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
        }
        .ranking-rating i {
            font-size: 12px;
        }

        .rank-side-card {
            background: linear-gradient(160deg, rgba(124, 92, 252, 0.15), rgba(255, 184, 107, 0.1));
            border: 1px solid rgba(124, 92, 252, 0.3);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: sticky;
            top: 100px;
        }
        .rank-side-card .side-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
            aspect-ratio: 16 / 10;
        }
        .rank-side-card .side-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .rank-side-card .side-cover .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 9, 24, 0.7);
            backdrop-filter: blur(8px);
        }
        .rank-side-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .rank-side-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .rank-side-card .btn {
            width: 100%;
        }

        /* ========== Topics Section ========== */
        .topics-section {
            padding: 100px 0;
            background: var(--bg-body);
        }
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .topic-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(124, 92, 252, 0.4);
        }
        .topic-cover {
            position: relative;
            aspect-ratio: 16 / 8;
            overflow: hidden;
        }
        .topic-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s;
        }
        .topic-card:hover .topic-cover img {
            transform: scale(1.04);
        }
        .topic-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 9, 24, 0.6));
        }
        .topic-body {
            padding: 28px;
            flex: 1;
        }
        .topic-body .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 4px 16px rgba(124, 92, 252, 0.35);
        }
        .topic-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .topic-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .topic-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* ========== CTA ========== */
        .submit-cta {
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }
        .cta-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(11, 9, 24, 0.9), rgba(124, 92, 252, 0.7));
        }
        .cta-card {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-lg);
        }
        .cta-card h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 100px 0;
            background: var(--bg-body);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px 28px;
            transition: var(--transition);
        }
        .faq-item[open] {
            border-color: rgba(124, 92, 252, 0.4);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            list-style: none;
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: '\f059';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary-light);
            font-size: 18px;
        }
        .faq-item p {
            margin-top: 16px;
            padding-left: 30px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 13px;
        }
        .footer-links {
            display: flex;
            gap: 24px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 16px;
            }
            .search-box {
                width: 180px;
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ranking-layout {
                grid-template-columns: 1fr;
            }
            .rank-side-card {
                position: static;
            }
            .brand-text {
                font-size: 18px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                height: 64px;
            }
            .main-nav {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 9, 24, 0.98);
                flex-direction: column;
                padding: 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                backdrop-filter: blur(16px);
                z-index: 99;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions .search-box {
                display: none;
            }
            .page-hero {
                padding: 80px 0 60px;
            }
            .hero-content h1 {
                font-size: 36px;
            }
            .hero-content .subtitle {
                font-size: 16px;
            }
            .hero-stats {
                gap: 32px;
            }
            .hero-stats .stat strong {
                font-size: 24px;
            }
            .tag-filter {
                gap: 8px;
            }
            .tag {
                padding: 5px 12px;
                font-size: 13px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .ranking-item {
                padding: 14px 16px;
                gap: 12px;
                flex-wrap: wrap;
            }
            .ranking-num {
                font-size: 20px;
                width: 36px;
            }
            .ranking-rating {
                font-size: 13px;
                padding: 3px 8px;
            }
            .cta-card {
                padding: 40px 24px;
            }
            .cta-card h2 {
                font-size: 26px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-search {
                flex-wrap: wrap;
            }
            .hero-search .btn {
                width: 100%;
            }
            .hero-search input {
                min-width: 0;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 16px;
                letter-spacing: 0;
            }
            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
                border-radius: 9px;
            }
            .header-actions .btn-sm {
                padding: 6px 14px;
                font-size: 13px;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .hero-content .subtitle {
                font-size: 15px;
            }
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
            .hero-stats .stat {
                display: flex;
                align-items: baseline;
                justify-content: center;
                gap: 8px;
            }
            .hero-stats .stat strong {
                font-size: 22px;
            }
            .hero-stats .stat span {
                font-size: 14px;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .guide-card .card-body {
                padding: 20px;
            }
            .ranking-layout {
                gap: 24px;
            }
            .ranking-info h3 {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .ranking-rating {
                margin-left: 0;
            }
            .topics-section,
            .ranking-section,
            .faq-section,
            .submit-cta {
                padding: 60px 0;
            }
            .faq-item {
                padding: 18px;
            }
            .faq-item summary {
                font-size: 15px;
            }
            .faq-item p {
                padding-left: 0;
            }
            .footer-bottom p {
                font-size: 12px;
            }
        }