/* roulang page: index */
:root {
            --primary-900: #0f1a3e;
            --primary-800: #162351;
            --primary-700: #1e2f6a;
            --primary-600: #2a3f8a;
            --primary-500: #3b56b0;
            --primary-400: #4a6cf7;
            --primary-300: #6b89ff;
            --primary-200: #9ab0ff;
            --primary-100: #d0dbff;
            --accent-500: #f59e0b;
            --accent-400: #fbbf24;
            --accent-300: #fcd34d;
            --accent-100: #fef3c7;
            --gray-900: #0f172a;
            --gray-800: #1e293b;
            --gray-700: #334155;
            --gray-600: #475569;
            --gray-500: #64748b;
            --gray-400: #94a3b8;
            --gray-300: #cbd5e1;
            --gray-200: #e2e8f0;
            --gray-100: #f1f5f9;
            --gray-50: #f8fafc;
            --radius-sm: 0.375rem;
            --radius-md: 0.625rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-hero: 0 20px 60px rgba(15, 26, 62, 0.25);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            line-height: 1.6;
            background: var(--gray-50);
            color: var(--gray-800);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid var(--gray-200);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-700);
            letter-spacing: -0.02em;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--primary-500);
            background: linear-gradient(135deg, var(--primary-400), var(--accent-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary-700), var(--primary-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray-600);
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary-600);
            background: var(--primary-100);
        }
        .nav-links a.active {
            color: var(--primary-600);
            background: var(--primary-100);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary-500);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.25rem !important;
            background: linear-gradient(135deg, var(--primary-500), var(--primary-700)) !important;
            color: #fff !important;
            border-radius: var(--radius-md) !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            box-shadow: 0 4px 12px rgba(59, 86, 176, 0.25);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(59, 86, 176, 0.35) !important;
            background: linear-gradient(135deg, var(--primary-400), var(--primary-600)) !important;
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }
        .mobile-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--gray-700);
            border-radius: 2px;
            transition: var(--transition);
        }
        @media (max-width: 768px) {
            .site-header .container {
                height: 62px;
            }
            .nav-links {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 1.25rem 1.5rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--gray-200);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 0.7rem 1rem;
                font-size: 1.05rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                background: var(--primary-100);
                border-left: 4px solid var(--primary-500);
            }
            .nav-cta {
                margin-top: 0.5rem;
                justify-content: center;
                width: 100% !important;
            }
            .mobile-toggle {
                display: flex;
            }
        }

        /* ===== 首屏 Hero ===== */
        .hero {
            background: linear-gradient(160deg, #0f1a3e 0%, #1a2f6a 40%, #2a3f8a 70%, #1a2f6a 100%);
            padding: 4rem 0 5rem;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse 70% 60% at 20% 40%, rgba(74, 108, 247, 0.20) 0%, transparent 70%),
                radial-gradient(ellipse 50% 50% at 80% 60%, rgba(245, 158, 11, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.5;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 1.2rem;
        }
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 520px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--accent-500), var(--accent-400));
            color: #1e293b;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            background: transparent;
            transition: var(--transition);
        }
        .btn-outline-light:hover {
            border-color: rgba(255, 255, 255, 0.6);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-card-stack {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            backdrop-filter: blur(8px);
            width: 100%;
            max-width: 420px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
        }
        .hero-card-stack .game-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.10);
            padding: 0.3rem 0.8rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1rem;
        }
        .hero-card-stack .game-tag i {
            color: var(--accent-400);
        }
        .hero-card-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 0.9rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-card-item:last-child {
            border-bottom: none;
        }
        .hero-card-item .rank {
            font-size: 1.2rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.20);
            width: 28px;
            text-align: center;
        }
        .hero-card-item .rank.top {
            color: var(--accent-400);
        }
        .hero-card-item .info {
            flex: 1;
        }
        .hero-card-item .info .name {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
        }
        .hero-card-item .info .meta {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .hero-card-item .badge-hot {
            background: rgba(245, 158, 11, 0.20);
            color: var(--accent-400);
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 9999px;
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.6rem;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 2.5rem 0 3.5rem;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 2rem;
                text-align: center;
            }
            .hero-content p {
                margin: 0 auto 1.5rem;
            }
            .hero-buttons {
                justify-content: center;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-card-stack {
                max-width: 100%;
                padding: 1.25rem;
            }
        }
        @media (max-width: 480px) {
            .hero-content h1 {
                font-size: 1.65rem;
            }
            .hero-content p {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 0.65rem 1.4rem;
                font-size: 0.9rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 4.5rem 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--gray-900);
            letter-spacing: -0.02em;
            margin-bottom: 0.6rem;
        }
        .section-title p {
            font-size: 1.05rem;
            color: var(--gray-500);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .accent-line {
            display: inline-block;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
            border-radius: 2px;
            margin-top: 0.75rem;
        }
        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .section-title p {
                font-size: 0.95rem;
            }
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            font-size: 1.5rem;
            color: #fff;
        }
        .feature-card .icon-wrap.purple {
            background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
        }
        .feature-card .icon-wrap.amber {
            background: linear-gradient(135deg, var(--accent-500), #d97706);
        }
        .feature-card .icon-wrap.teal {
            background: linear-gradient(135deg, #0d9488, #0f766e);
        }
        .feature-card .icon-wrap.rose {
            background: linear-gradient(135deg, #f43f5e, #e11d48);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--gray-900);
            margin-bottom: 0.5rem;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 热门游戏 ===== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .game-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
            cursor: default;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .game-card .thumb {
            height: 160px;
            background: linear-gradient(135deg, var(--primary-100), var(--gray-200));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary-400);
            position: relative;
        }
        .game-card .thumb .label {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(0, 0, 0, 0.50);
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 9999px;
            backdrop-filter: blur(4px);
        }
        .game-card .body {
            padding: 1.25rem 1.25rem 1.5rem;
        }
        .game-card .body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--gray-900);
            margin-bottom: 0.3rem;
        }
        .game-card .body .desc {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-card .body .meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 0.8rem;
        }
        .game-card .body .meta-row .tag {
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: 9999px;
            background: var(--primary-100);
            color: var(--primary-600);
            font-weight: 500;
        }
        .game-card .body .meta-row .rating {
            font-size: 0.8rem;
            color: var(--accent-500);
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .games-grid {
                grid-template-columns: 1fr;
            }
            .game-card .thumb {
                height: 130px;
            }
        }

        /* ===== 资讯列表 (CMS) ===== */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
        }
        .news-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            border: 1px solid var(--gray-100);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .news-item .cat {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--primary-500);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 0.3rem;
            display: inline-block;
            background: var(--primary-100);
            padding: 0.1rem 0.6rem;
            border-radius: 9999px;
            width: fit-content;
        }
        .news-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--gray-900);
            margin-bottom: 0.3rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item p {
            font-size: 0.85rem;
            color: var(--gray-500);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 0.6rem;
        }
        .news-item .foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--gray-400);
            border-top: 1px solid var(--gray-100);
            padding-top: 0.6rem;
        }
        .news-item .foot a {
            color: var(--primary-500);
            font-weight: 500;
        }
        .news-item .foot a:hover {
            color: var(--primary-700);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 2.5rem 1rem;
            color: var(--gray-400);
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px dashed var(--gray-200);
        }
        .news-empty i {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            display: block;
        }
        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(160deg, #0f1a3e, #1a2f6a);
            padding: 4rem 0;
            color: #fff;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .stat-item .num {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 0.25rem;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .stat-item .num {
                font-size: 2rem;
            }
        }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .step-card {
            text-align: center;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-card .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 1.2rem;
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--gray-900);
            margin-bottom: 0.4rem;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--gray-500);
            line-height: 1.6;
        }
        .step-card .step-connector {
            display: none;
        }
        @media (min-width: 1025px) {
            .step-card {
                position: relative;
            }
            .step-card:not(:last-child)::after {
                content: '→';
                position: absolute;
                right: -1.2rem;
                top: 50%;
                transform: translateY(-50%);
                font-size: 1.6rem;
                color: var(--gray-300);
                font-weight: 300;
            }
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .step-card:not(:last-child)::after {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--gray-100);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item summary {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--gray-900);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.9rem;
            color: var(--gray-400);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary-500);
        }
        .faq-item summary:hover {
            background: var(--gray-50);
        }
        .faq-item .answer {
            padding: 0 1.5rem 1.2rem;
            font-size: 0.92rem;
            color: var(--gray-600);
            line-height: 1.7;
            border-top: 1px solid var(--gray-100);
            padding-top: 0.8rem;
        }
        @media (max-width: 640px) {
            .faq-item summary {
                padding: 1rem 1.2rem;
                font-size: 0.95rem;
            }
            .faq-item .answer {
                padding: 0 1.2rem 1rem;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #1a2f6a, #0f1a3e);
            padding: 4rem 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 1.8rem;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 0.9rem 2.5rem;
        }
        @media (max-width: 640px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--gray-900);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 0.8rem;
        }
        .footer-brand .logo i {
            background: linear-gradient(135deg, var(--primary-300), var(--accent-400));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, #fff, #cbd5e1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 辅助 ===== */
        .bg-soft {
            background: var(--gray-100);
        }
        .tag-sm {
            display: inline-block;
            font-size: 0.7rem;
            padding: 0.15rem 0.55rem;
            border-radius: 9999px;
            background: var(--gray-100);
            color: var(--gray-600);
            font-weight: 500;
        }
        .tag-sm.primary {
            background: var(--primary-100);
            color: var(--primary-600);
        }
        .tag-sm.amber {
            background: var(--accent-100);
            color: #b45309;
        }
        .gap-section {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
            margin: 0;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-500), var(--accent-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .focus-ring:focus-visible {
            outline: 2px solid var(--primary-400);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .btn-primary:focus-visible,
        .btn-outline-light:focus-visible,
        .nav-cta:focus-visible {
            outline: 2px solid var(--accent-400);
            outline-offset: 3px;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --accent: #fdcb6e;
            --bg-body: #0f0e1a;
            --bg-card: #1a1833;
            --bg-card-hover: #221f3d;
            --bg-section-alt: #13112a;
            --text-primary: #f0eff6;
            --text-secondary: #b8b5d4;
            --text-muted: #7c7aa6;
            --border-color: #2d2952;
            --border-light: #3d3870;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 16px 48px rgba(108, 92, 231, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1200px;
            padding: 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            transition: opacity var(--transition);
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary-light);
            font-size: 28px;
        }

        .logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo:hover {
            opacity: 0.85;
        }

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

        .nav-links li a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
            position: relative;
        }

        .nav-links li a i {
            font-size: 14px;
            opacity: 0.7;
        }

        .nav-links li a:hover {
            color: var(--text-primary);
            background: rgba(108, 92, 231, 0.12);
        }

        .nav-links li a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.35);
        }

        .nav-links li a.active i {
            opacity: 1;
        }

        .nav-links li a.nav-cta {
            background: linear-gradient(135deg, var(--secondary), #e84393);
            color: #fff;
            padding: 8px 24px;
            box-shadow: 0 4px 20px rgba(253, 121, 168, 0.3);
        }

        .nav-links li a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(253, 121, 168, 0.4);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
            z-index: 1001;
        }

        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 4px;
            transition: all var(--transition);
            transform-origin: center;
        }

        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero Section ===== */
        .hero-section {
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.25);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 14px;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: clamp(36px, 6vw, 60px);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 40%, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 6px 30px rgba(108, 92, 231, 0.35);
            transition: all var(--transition);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.45);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary-light);
            transform: translateY(-3px);
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

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

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ===== Game Grid ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .game-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-light);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

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

        .game-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 16px;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(253, 121, 168, 0.1));
            color: var(--primary-light);
        }

        .game-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .game-card .game-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .game-tag {
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(108, 92, 231, 0.12);
            color: var(--primary-light);
            border: 1px solid rgba(108, 92, 231, 0.15);
        }

        .game-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

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

        .game-card .game-meta .rating {
            color: var(--accent);
        }

        .game-card .game-meta .rating i {
            margin-right: 4px;
        }

        .game-card .btn-play {
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            transition: all var(--transition);
            border: none;
        }

        .game-card .btn-play:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.35);
        }

        /* ===== Category Tabs ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .category-tab {
            padding: 10px 24px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
        }

        .category-tab:hover {
            background: rgba(108, 92, 231, 0.1);
            border-color: rgba(108, 92, 231, 0.3);
            color: var(--text-primary);
        }

        .category-tab.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }

        /* ===== Stats / Data Row ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-top: 16px;
        }

        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }

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

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 17px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            user-select: none;
            gap: 16px;
        }

        .faq-question:hover {
            background: rgba(108, 92, 231, 0.05);
        }

        .faq-question i {
            color: var(--primary-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 15px;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
            animation: fadeIn 0.3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(253, 121, 168, 0.08));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .cta-box {
            text-align: center;
            padding: 24px 0;
        }

        .cta-box h2 {
            font-size: clamp(26px, 3.6vw, 38px);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-box p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 28px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

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

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

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 14px;
            color: var(--text-muted);
        }

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

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

        .footer-bottom span a {
            margin: 0 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
                padding: 0 16px;
            }

            .menu-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--bg-card);
                border-left: 1px solid var(--border-color);
                flex-direction: column;
                padding: 80px 24px 32px;
                gap: 6px;
                transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6);
                overflow-y: auto;
                z-index: 1000;
            }

            .nav-links.open {
                right: 0;
            }

            .nav-links li a {
                padding: 12px 20px;
                width: 100%;
                border-radius: 12px;
                font-size: 16px;
            }

            .nav-links li a.nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }

            .hero-section {
                padding: 56px 0 40px;
            }

            .section {
                padding: 48px 0;
            }

            .section-header {
                margin-bottom: 32px;
            }

            .game-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
                gap: 16px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-number {
                font-size: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

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

            .btn-primary,
            .btn-secondary {
                width: 100%;
                max-width: 320px;
                justify-content: center;
            }
        }

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 20px 16px;
            }

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

            .category-tabs {
                gap: 8px;
            }

            .category-tab {
                padding: 8px 16px;
                font-size: 14px;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-sub {
                font-size: 16px;
            }
        }

        /* ===== Overlay for mobile menu ===== */
        .nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .nav-overlay.active {
            opacity: 1;
            pointer-events: all;
        }

        /* ===== Focus accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 8px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --accent: #8b5cf6;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-section-alt: #f1f5f9;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-light: #f1f5f9;
            --border-light: #e2e8f0;
            --border-medium: #cbd5e1;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10), 0 4px 16px rgba(0,0,0,0.06);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }

        /* ===== 容器 ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }
        .container-wide { max-width: 1320px; margin: 0 auto; padding: 0 24px; }

        /* ===== 统一导航 ===== */
        .site-header {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .site-header .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .site-header .logo i { font-size: 1.65rem; color: var(--secondary); }
        .site-header .logo:hover { color: var(--primary-dark); transform: scale(1.02); }
        .nav-links { display: flex; align-items: center; gap: 8px; }
        .nav-links li a {
            display: flex; align-items: center; gap: 6px;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a i { font-size: 0.85rem; }
        .nav-links li a:hover { background: var(--bg-section-alt); color: var(--primary); }
        .nav-links li a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,0.30); }
        .nav-links li a.nav-cta {
            background: linear-gradient(135deg, var(--secondary), #f97316);
            color: #fff;
            padding: 8px 24px;
            box-shadow: 0 4px 14px rgba(245,158,11,0.35);
        }
        .nav-links li a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(245,158,11,0.45); }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--text-primary); cursor: pointer; padding: 4px; }

        /* ===== 面包屑 ===== */
        .breadcrumb { padding: 20px 0 0; font-size: 0.88rem; color: var(--text-muted); display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .sep { color: var(--border-medium); margin: 0 2px; }

        /* ===== 文章头部 ===== */
        .article-header { padding: 32px 0 24px; }
        .article-header h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.02em; color: var(--text-primary); margin-bottom: 20px; }
        .article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; font-size: 0.92rem; color: var(--text-secondary); }
        .article-meta .badge { display: inline-flex; align-items: center; gap: 5px; background: var(--primary); color: #fff; padding: 4px 14px; border-radius: 40px; font-size: 0.80rem; font-weight: 600; }
        .article-meta .badge i { font-size: 0.70rem; }
        .article-meta .date i { margin-right: 4px; color: var(--text-muted); }
        .article-meta .views i { margin-right: 4px; color: var(--text-muted); }

        /* ===== 文章特色图 ===== */
        .article-featured-image { margin: 24px 0 32px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); background: var(--bg-section-alt); aspect-ratio: 16/9; position: relative; }
        .article-featured-image img { width: 100%; height: 100%; object-fit: cover; }
        .article-featured-image .placeholder { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--text-muted); font-size: 3rem; background: linear-gradient(135deg, #e2e8f0, #f1f5f9); }

        /* ===== 文章正文 ===== */
        .article-body { padding: 0 0 40px; }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body .content p { margin-bottom: 1.5em; }
        .article-body .content h2 { font-size: 1.6rem; margin-top: 2em; margin-bottom: 0.8em; font-weight: 700; }
        .article-body .content h3 { font-size: 1.25rem; margin-top: 1.6em; margin-bottom: 0.6em; font-weight: 700; }
        .article-body .content ul, .article-body .content ol { margin-bottom: 1.5em; padding-left: 1.8em; }
        .article-body .content ul { list-style: disc; }
        .article-body .content ol { list-style: decimal; }
        .article-body .content li { margin-bottom: 0.4em; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5em 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content img { border-radius: var(--radius-md); margin: 1.5em 0; box-shadow: var(--shadow-sm); }
        .article-body .content a { color: var(--primary); text-decoration: underline; text-underline-offset: 2px; }
        .article-body .content a:hover { color: var(--primary-dark); }

        /* ===== 文章底部 ===== */
        .article-footer { border-top: 1px solid var(--border-light); padding: 28px 0 0; margin-top: 8px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags .tag { display: inline-flex; align-items: center; gap: 4px; padding: 6px 16px; background: var(--bg-section-alt); border: 1px solid var(--border-light); border-radius: 40px; font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; transition: var(--transition); }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .article-share { display: flex; align-items: center; gap: 10px; }
        .article-share span { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }
        .article-share a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--bg-section-alt); color: var(--text-secondary); transition: var(--transition); font-size: 1rem; }
        .article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== 文章未找到 ===== */
        .not-found-block { text-align: center; padding: 80px 20px; }
        .not-found-block i { font-size: 4rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-block h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-block p { color: var(--text-secondary); margin-bottom: 24px; }
        .not-found-block a { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; background: var(--primary); color: #fff; border-radius: 40px; font-weight: 600; }
        .not-found-block a:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== 相关文章 ===== */
        .related-section { background: var(--bg-section-alt); padding: 64px 0; }
        .related-section .section-title { text-align: center; margin-bottom: 40px; }
        .related-section .section-title h2 { font-size: 1.8rem; font-weight: 800; }
        .related-section .section-title p { color: var(--text-secondary); margin-top: 8px; font-size: 1rem; }
        .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
        .related-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: var(--transition); }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
        .related-card .cat-tag { display: inline-block; padding: 2px 12px; background: var(--primary); color: #fff; border-radius: 40px; font-size: 0.72rem; font-weight: 600; margin-bottom: 12px; }
        .related-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .related-card h3 a { color: var(--text-primary); }
        .related-card h3 a:hover { color: var(--primary); }
        .related-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
        .related-card .meta { font-size: 0.80rem; color: var(--text-muted); display: flex; align-items: center; gap: 12px; }
        .related-card .meta i { margin-right: 3px; }

        /* ===== FAQ ===== */
        .faq-section { padding: 64px 0; background: var(--bg-card); }
        .faq-section .section-title { text-align: center; margin-bottom: 40px; }
        .faq-section .section-title h2 { font-size: 1.8rem; font-weight: 800; }
        .faq-section .section-title p { color: var(--text-secondary); margin-top: 8px; font-size: 1rem; }
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { border: 1px solid var(--border-light); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; cursor: pointer; background: var(--bg-card); font-weight: 600; font-size: 1rem; transition: var(--transition); }
        .faq-question i { font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--primary); }
        .faq-item.open .faq-question { color: var(--primary); }
        .faq-answer { padding: 0 24px 18px; font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; display: none; }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%);
            text-align: center;
        }
        .cta-section h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .cta-section p { font-size: 1.05rem; color: #cbd5e1; max-width: 600px; margin: 0 auto 32px; }
        .cta-section .cta-btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 48px; background: linear-gradient(135deg, var(--secondary), #f97316); color: #fff; border-radius: 50px; font-weight: 700; font-size: 1.1rem; box-shadow: 0 8px 30px rgba(245,158,11,0.40); transition: var(--transition); }
        .cta-section .cta-btn:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 40px rgba(245,158,11,0.55); }

        /* ===== 统一页脚 ===== */
        .site-footer { background: var(--bg-dark); color: #cbd5e1; padding: 60px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
        .footer-brand .logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 16px; }
        .footer-brand .logo i { color: var(--secondary); }
        .footer-brand p { font-size: 0.90rem; line-height: 1.7; color: #94a3b8; max-width: 360px; }
        .footer-col h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { font-size: 0.90rem; color: #94a3b8; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom { padding: 24px 0; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 0.84rem; color: #64748b; }
        .footer-bottom a { color: #94a3b8; }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .site-header .container { height: 64px; }
            .nav-toggle { display: block; }
            .nav-links {
                position: fixed; top: 64px; left: 0; right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(14px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid var(--border-light);
                z-index: 999;
            }
            .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-links li a { width: 100%; justify-content: center; padding: 12px 18px; font-size: 1rem; }
            .article-header h1 { font-size: 1.6rem; }
            .article-meta { gap: 12px 16px; font-size: 0.85rem; }
            .article-body .content { font-size: 1rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section .cta-btn { padding: 14px 32px; font-size: 1rem; }
            .faq-question { font-size: 0.92rem; padding: 14px 18px; }
            .faq-answer { font-size: 0.88rem; padding: 0 18px 14px; }
            .not-found-block { padding: 48px 16px; }
            .not-found-block i { font-size: 3rem; }
            .not-found-block h2 { font-size: 1.4rem; }
            .article-footer { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-header h1 { font-size: 1.35rem; }
            .article-meta { gap: 8px 12px; font-size: 0.80rem; }
            .article-body .content { font-size: 0.95rem; }
            .related-card { padding: 18px; }
            .related-card h3 { font-size: 1rem; }
            .site-header .logo { font-size: 1.2rem; }
            .site-header .logo i { font-size: 1.3rem; }
            .cta-section { padding: 48px 16px; }
            .cta-section h2 { font-size: 1.3rem; }
        }

        /* ===== 工具类 ===== */
        .text-gradient { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .shadow-hover { transition: var(--transition); }
        .shadow-hover:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
        .section-padding { padding: 64px 0; }

/* roulang page: category2 */
:root {
            --primary: #6C5CE7;
            --primary-dark: #5A4BD1;
            --primary-light: #A29BFE;
            --secondary: #FD79A8;
            --accent: #00CEC9;
            --accent-dark: #00B894;
            --dark: #0F0F1A;
            --dark-2: #1A1A2E;
            --dark-3: #25253D;
            --muted: #6C6C8A;
            --muted-light: #8E8EB0;
            --surface: #F8F9FF;
            --surface-dark: #E8E8F8;
        }

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

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

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--surface);
            color: var(--dark);
            line-height: 1.7;
            font-size: 16px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid rgba(108, 92, 231, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.4s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 15, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, sans-serif;
            font-weight: 700;
            font-size: 1.4rem;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .logo i {
            color: var(--primary-light);
            font-size: 1.6rem;
            background: linear-gradient(135deg, #6C5CE7, #A29BFE);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .logo span {
            background: linear-gradient(135deg, #fff, #c8c8e8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .nav-links li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links li a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .nav-links li a:hover {
            color: #fff;
            background: rgba(108, 92, 231, 0.15);
        }

        .nav-links li a.active {
            color: #fff;
            background: rgba(108, 92, 231, 0.2);
        }

        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: linear-gradient(90deg, #6C5CE7, #A29BFE);
            border-radius: 4px;
        }

        .nav-cta {
            background: linear-gradient(135deg, #6C5CE7, #8B7CF7) !important;
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: 12px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
            transition: all 0.3s ease !important;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 92, 231, 0.4) !important;
            background: linear-gradient(135deg, #5A4BD1, #6C5CE7) !important;
        }

        .nav-cta i {
            opacity: 1 !important;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hamburger span {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: translateX(-10px);
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 32px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
                border-bottom: 1px solid rgba(108, 92, 231, 0.1);
                pointer-events: none;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .nav-links li a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                border-radius: 10px;
            }

            .nav-links li a.active::after {
                display: none;
            }

            .nav-links li a.active {
                background: rgba(108, 92, 231, 0.2);
                border-left: 3px solid #6C5CE7;
            }

            .nav-cta {
                margin-top: 8px;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .nav-links {
                top: 64px;
            }
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(165deg, #0F0F1A 0%, #1A1A2E 40%, #25253D 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 206, 201, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: #A29BFE;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }

        .hero-badge i {
            font-size: 0.75rem;
            animation: pulseSoft 2s ease-in-out infinite;
        }

        .hero-section h1 {
            font-family: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, sans-serif;
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-section h1 span {
            background: linear-gradient(135deg, #A29BFE, #FD79A8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 620px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

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

        .hero-stat .number {
            font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            display: block;
            line-height: 1.2;
        }

        .hero-stat .number i {
            color: #00CEC9;
            font-size: 1.4rem;
            margin-right: 4px;
            -webkit-text-fill-color: initial;
        }

        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0 50px;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-section p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat .number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.7rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .number {
                font-size: 1.3rem;
            }
        }

        /* Section Common */
        .section-padding {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 56px 0;
        }

        .section-title {
            font-family: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 560px;
            line-height: 1.7;
        }

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

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* Tag Filter */
        .tag-filter {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .tag-filter .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--muted);
            background: #fff;
            border: 1px solid #e8e8f0;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }

        .tag-filter .tag:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: rgba(108, 92, 231, 0.04);
        }

        .tag-filter .tag.active {
            background: linear-gradient(135deg, #6C5CE7, #8B7CF7);
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.25);
        }

        .tag-filter .tag i {
            font-size: 0.8rem;
        }

        @media (max-width: 520px) {
            .tag-filter {
                gap: 8px;
            }
            .tag-filter .tag {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        /* Guide Cards Grid */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: #fff;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--card);
            transition: all 0.4s ease;
            border: 1px solid rgba(0, 0, 0, 0.04);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-hover);
            border-color: rgba(108, 92, 231, 0.1);
        }

        .guide-card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--surface-dark);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .guide-card-image .placeholder-icon {
            font-size: 3rem;
            color: var(--primary-light);
            opacity: 0.5;
        }

        .guide-card-image .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 15, 26, 0.8);
            backdrop-filter: blur(10px);
            color: #fff;
            padding: 4px 12px;
            border-radius: 8px;
            font-size: 0.75rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .guide-card-image .card-badge i {
            font-size: 0.7rem;
            color: #FDCB6E;
        }

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

        .guide-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }

        .guide-card-tags span {
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: 6px;
            background: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-weight: 500;
        }

        .guide-card h3 {
            font-family: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .guide-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }

        .guide-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid #f0f0f8;
        }

        .guide-card-footer .author {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--muted);
        }

        .guide-card-footer .author i {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: linear-gradient(135deg, #6C5CE7, #A29BFE);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
        }

        .guide-card-footer .meta {
            font-size: 0.78rem;
            color: var(--muted-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .guide-card-footer .meta i {
            margin-right: 3px;
        }

        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .guide-card-image {
                height: 160px;
            }
            .guide-card-body {
                padding: 16px 18px 18px;
            }
        }

        /* Featured Guide - Large */
        .featured-guide {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--card);
            border: 1px solid rgba(0, 0, 0, 0.04);
            margin-bottom: 32px;
        }

        .featured-guide-image {
            min-height: 320px;
            background: var(--surface-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .featured-guide-image .placeholder-icon {
            font-size: 5rem;
            color: var(--primary-light);
            opacity: 0.4;
        }

        .featured-guide-image .featured-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: linear-gradient(135deg, #FD79A8, #FDCB6E);
            color: #fff;
            padding: 6px 16px;
            border-radius: 10px;
            font-size: 0.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 15px rgba(253, 121, 168, 0.3);
        }

        .featured-guide-body {
            padding: 36px 40px 36px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-guide-body .guide-card-tags {
            margin-bottom: 12px;
        }

        .featured-guide-body h2 {
            font-family: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, sans-serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .featured-guide-body p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .featured-guide-body .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .featured-guide {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .featured-guide-image {
                min-height: 220px;
            }
            .featured-guide-body {
                padding: 28px 24px;
            }
            .featured-guide-body h2 {
                font-size: 1.3rem;
            }
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #6C5CE7, #8B7CF7);
            color: #fff;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 92, 231, 0.35);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline:hover {
            background: rgba(108, 92, 231, 0.06);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 0.82rem;
            border-radius: 10px;
        }

        /* Ranking / List */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #fff;
            padding: 16px 20px;
            border-radius: 14px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
            border: 1px solid #f0f0f8;
            transition: all 0.3s ease;
        }

        .ranking-item:hover {
            border-color: rgba(108, 92, 231, 0.15);
            box-shadow: var(--card);
            transform: translateX(4px);
        }

        .ranking-number {
            font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
            font-size: 1.2rem;
            font-weight: 800;
            width: 36px;
            text-align: center;
            color: var(--muted-light);
        }

        .ranking-item:nth-child(1) .ranking-number {
            color: #FDCB6E;
        }
        .ranking-item:nth-child(2) .ranking-number {
            color: #B2BEC3;
        }
        .ranking-item:nth-child(3) .ranking-number {
            color: #E17055;
        }

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

        .ranking-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 2px;
        }

        .ranking-info span {
            font-size: 0.8rem;
            color: var(--muted-light);
        }

        .ranking-stat {
            font-size: 0.85rem;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .ranking-stat i {
            color: var(--primary-light);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            border: 1px solid #f0f0f8;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--dark);
            gap: 12px;
            user-select: none;
        }

        .faq-question i {
            color: var(--primary-light);
            font-size: 0.9rem;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--muted);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(165deg, #0F0F1A, #1A1A2E);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 206, 201, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-family: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, sans-serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        .cta-content .btn-primary {
            background: linear-gradient(135deg, #FD79A8, #FDCB6E);
            color: #1A1A2E;
            box-shadow: 0 4px 20px rgba(253, 121, 168, 0.3);
        }

        .cta-content .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(253, 121, 168, 0.4);
            transform: translateY(-2px);
        }

        .cta-content .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
        }

        .cta-content .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 1.7rem;
            }
            .cta-content p {
                font-size: 0.95rem;
            }
        }

        /* Footer */
        .site-footer {
            background: #0A0A14;
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand .logo {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .footer-col ul li a:hover {
            color: #A29BFE;
            transform: translateX(4px);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a:hover {
            color: #A29BFE;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* Back to Top */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #6C5CE7, #8B7CF7);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            z-index: 999;
            border: none;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
        }

        @media (max-width: 520px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: #f0f0f8;
        }

        ::-webkit-scrollbar-thumb {
            background: #c8c8e0;
            border-radius: 10px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: #a8a8c8;
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--muted-light);
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--muted-light);
        }

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

        .breadcrumb i {
            font-size: 0.65rem;
            color: var(--muted-light);
        }

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