/* roulang page: index */
:root {
            --primary: #6D5CE6;
            --primary-dark: #5140C8;
            --primary-light: #EFECFE;
            --accent: #F5A623;
            --accent-light: #FFF4DE;
            --dark-bg: #1B1830;
            --dark-surface: #292544;
            --body-bg: #F7F7FC;
            --white: #FFFFFF;
            --text-main: #201D32;
            --text-body: #5C5872;
            --text-weak: #8F8BA3;
            --border: #E8E6F0;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 10px rgba(30, 20, 70, 0.05);
            --shadow-md: 0 8px 28px rgba(30, 20, 70, 0.08);
            --shadow-lg: 0 20px 44px rgba(30, 20, 70, 0.12);
            --sidebar-width: 264px;
            --trans: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--body-bg);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin: 0 0 12px;
        }

        p {
            margin: 0 0 16px;
        }

        .app-container {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        .app-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 左侧导航 */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--dark-bg);
            z-index: 1030;
            display: flex;
            flex-direction: column;
            padding: 34px 20px 26px;
            color: rgba(255, 255, 255, 0.8);
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-bottom: 26px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .brand-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), #9A7BFF);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: 0 8px 20px rgba(109, 92, 230, 0.4);
        }

        .brand-text {
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .sidebar-nav {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.68);
            font-size: 15px;
            font-weight: 500;
            transition: var(--trans);
            position: relative;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .nav-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(109, 92, 230, 0.35);
        }

        .sidebar-footer {
            margin-top: auto;
            padding: 18px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            text-align: center;
        }

        .sidebar-footer p {
            font-size: 13px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.5;
        }

        .btn-sidebar-cta {
            display: inline-block;
            background: var(--accent);
            color: #1B1830;
            padding: 9px 22px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--trans);
        }

        .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 166, 35, 0.35);
            color: #1B1830;
        }

        /* 移动端顶栏 */
        .mobile-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 62px;
            background: var(--dark-bg);
            z-index: 1045;
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }

        .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 15px;
        }

        .mobile-brand .mini-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
        }

        .mobile-nav-toggle {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 10px;
            color: #fff;
            padding: 8px 11px;
            font-size: 18px;
            line-height: 1;
            cursor: pointer;
            transition: var(--trans);
        }

        .mobile-nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-drawer {
            width: 286px;
        }

        .mobile-drawer .offcanvas-header {
            padding: 20px 20px 12px;
            border-bottom: 1px solid var(--border);
        }

        .mobile-drawer .offcanvas-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
        }

        .mobile-drawer .offcanvas-body {
            padding: 18px 14px;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: var(--text-body);
            font-weight: 500;
            font-size: 15px;
            transition: var(--trans);
        }

        .mobile-nav .nav-link i {
            width: 20px;
            text-align: center;
        }

        .mobile-nav .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-nav .nav-link.active {
            background: var(--primary);
            color: #fff;
        }

        /* 通用按钮 */
        .btn {
            border-radius: 50px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--trans);
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 22px rgba(109, 92, 230, 0.28);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(109, 92, 230, 0.36);
            color: #fff;
        }

        .btn-accent {
            background: var(--accent);
            color: #1B1830;
            box-shadow: 0 8px 22px rgba(245, 166, 35, 0.28);
        }

        .btn-accent:hover {
            background: #E09012;
            transform: translateY(-2px);
            color: #1B1830;
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.55);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            border-color: #fff;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 110px 0 90px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 24, 48, 0.92), rgba(109, 92, 230, 0.68));
        }

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

        .hero-badge {
            display: inline-block;
            padding: 7px 18px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.24);
            border-radius: 30px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 18px;
            backdrop-filter: blur(6px);
        }

        .hero-section h1 {
            color: #fff;
            font-size: clamp(34px, 5vw, 56px);
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .hero-desc {
            max-width: 680px;
            margin: 0 auto 32px;
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.88);
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 42px;
        }

        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 28px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
        }

        .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-meta i {
            color: var(--accent);
        }

        /* 板块标题 */
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 54px;
        }

        .section-overline {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
            padding: 4px 14px;
            background: var(--primary-light);
            border-radius: 20px;
        }

        .section-header h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-body);
            font-size: 16px;
            margin-bottom: 0;
        }

        /* 核心亮点板块 */
        .feature-section {
            padding: 90px 0 70px;
            background: var(--white);
        }

        .feature-card {
            background: var(--body-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            height: 100%;
            transition: var(--trans);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .feature-icon {
            width: 58px;
            height: 58px;
            background: linear-gradient(135deg, var(--primary), #9A7BFF);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(109, 92, 230, 0.28);
        }

        .feature-card h3 {
            font-size: 19px;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 分类入口板块 */
        .category-section {
            padding: 90px 0;
            background: var(--body-bg);
        }

        .category-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--trans);
            border: 1px solid var(--border);
            height: 100%;
        }

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

        .category-card .row {
            align-items: stretch;
        }

        .category-card-img-wrap {
            position: relative;
            min-height: 260px;
            overflow: hidden;
            height: 100%;
        }

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

        .category-card:hover .category-card-img-wrap img {
            transform: scale(1.04);
        }

        .category-card-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(27, 24, 48, 0.55) 0%, transparent 45%);
        }

        .category-tag {
            position: absolute;
            top: 18px;
            left: 18px;
            z-index: 2;
            background: var(--accent);
            color: #1B1830;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .category-card-body {
            padding: 38px 34px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .category-card-body .section-overline {
            margin-bottom: 12px;
        }

        .category-card-body h3 {
            font-size: 24px;
            margin-bottom: 12px;
        }

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

        .category-card-body .btn {
            align-self: flex-start;
        }

        /* 最新资讯板块 */
        .news-section {
            padding: 90px 0;
            background: var(--white);
        }

        .news-card {
            background: var(--body-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 26px 22px;
            transition: var(--trans);
            height: 100%;
            position: relative;
        }

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

        .news-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .badge-soft {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-weak);
        }

        .news-date i {
            margin-right: 4px;
        }

        .news-card h3 {
            font-size: 17px;
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .news-card h3 a {
            color: var(--text-main);
        }

        .news-card h3 a:hover {
            color: var(--primary);
        }

        .news-card>p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .read-more-link i {
            transition: transform 0.3s ease;
        }

        .read-more-link:hover {
            color: var(--primary-dark);
        }

        .read-more-link:hover i {
            transform: translateX(4px);
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--body-bg);
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            color: var(--text-weak);
        }

        .empty-state i {
            font-size: 40px;
            margin-bottom: 12px;
            display: block;
        }

        .empty-state p {
            margin: 0;
            font-size: 15px;
        }

        /* 热门游戏板块 */
        .games-section {
            padding: 90px 0;
            background: var(--body-bg);
        }

        .game-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--trans);
            height: 100%;
        }

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

        .game-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

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

        .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(27, 24, 48, 0.75);
            color: #fff;
            font-size: 11px;
            padding: 4px 12px;
            border-radius: 16px;
            backdrop-filter: blur(4px);
        }

        .game-rating {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(27, 24, 48, 0.78);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            backdrop-filter: blur(4px);
        }

        .game-info {
            padding: 20px 20px 24px;
        }

        .game-info h4 {
            font-size: 17px;
            margin-bottom: 6px;
        }

        .game-info p {
            font-size: 13px;
            color: var(--text-body);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .game-info .game-type {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            background: var(--primary-light);
            display: inline-block;
            padding: 3px 12px;
            border-radius: 16px;
        }

        /* 数据统计 */
        .stats-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1B1830 0%, #292544 55%, #3A2F63 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(109, 92, 230, 0.35), transparent 70%);
            border-radius: 50%;
        }

        .stat-item {
            text-align: center;
            padding: 24px 10px;
            position: relative;
            z-index: 1;
        }

        .stat-number {
            display: block;
            font-size: clamp(34px, 4vw, 50px);
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 4px;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 1px;
        }

        /* 使用流程 */
        .steps-section {
            padding: 90px 0;
            background: var(--white);
        }

        .step-card {
            text-align: center;
            padding: 36px 24px;
            background: var(--body-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            height: 100%;
            transition: var(--trans);
            position: relative;
        }

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

        .step-number {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary), #9A7BFF);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            font-weight: 800;
            margin: 0 auto 22px;
            box-shadow: 0 8px 22px rgba(109, 92, 230, 0.3);
        }

        .step-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-section {
            padding: 90px 0;
            background: var(--body-bg);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            background: var(--white);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--white);
            border: none;
            transition: var(--trans);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 4px rgba(109, 92, 230, 0.12);
            border-color: transparent;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236D5CE6'%3E%3Cpath fill-rule='evenodd' d='M8 4a.5.5 0 0 1 .5.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3A.5.5 0 0 1 8 4z'/%3E%3C/svg%3E");
        }

        .accordion-body {
            padding: 4px 24px 22px;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary), #8A6BFF);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            left: -60px;
            bottom: -100px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 70%);
            border-radius: 50%;
        }

        .cta-section h2 {
            color: #fff;
            font-size: clamp(26px, 3.5vw, 40px);
            margin-bottom: 16px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .app-footer {
            background: #151226;
            color: rgba(255, 255, 255, 0.65);
            padding-top: 70px;
            padding-bottom: 26px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 42px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-logo i {
            color: var(--accent);
        }

        .footer-brand p,
        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--trans);
        }

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

        .footer-bottom {
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }

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

        /* 响应式 */
        @media (max-width: 1199.98px) {
            .category-card-body {
                padding: 28px 24px;
            }
            .app-container {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none !important;
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .app-main {
                padding-top: 62px;
            }
            .hero-section {
                padding: 80px 0 70px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .section-header {
                margin-bottom: 40px;
            }
            .feature-section,
            .category-section,
            .news-section,
            .games-section,
            .steps-section,
            .faq-section {
                padding: 60px 0;
            }
            .stats-section {
                padding: 50px 0;
            }
            .category-card-img-wrap {
                min-height: 200px;
            }
            .category-card-img-wrap::after {
                background: linear-gradient(180deg, rgba(27, 24, 48, 0.35), transparent 55%);
            }
            .category-card-body {
                padding: 26px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 575.98px) {
            .app-container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .hero-section {
                padding: 64px 0 56px;
            }
            .hero-meta {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
            .news-card {
                padding: 20px 18px;
            }
            .game-thumb {
                height: 160px;
            }
            .stat-number {
                font-size: 34px;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #4f46e5;
            --primary-dark: #3730a3;
            --primary-light: #eef2ff;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --bg: #f4f6fb;
            --bg-card: #ffffff;
            --bg-dark: #111827;
            --bg-dark-2: #1f2937;
            --text: #1e293b;
            --text-light: #64748b;
            --text-lighter: #94a3b8;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
            --shadow: 0 8px 30px rgba(0,0,0,.08);
            --shadow-lg: 0 16px 48px rgba(79,70,229,.14);
            --transition: all .3s cubic-bezier(.4,0,.2,1);
            --bg-gradient: linear-gradient(135deg,#4f46e5 0%,#7c3aed 100%);
        }

        /* ===== 基础 reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
        .container { max-width: 1140px; }

        /* ===== 通用组件 ===== */
        .section-padding { padding: 70px 0; }
        .section-head { margin-bottom: 36px; }
        .section-head .tag {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--primary-light); color: var(--primary);
            font-size: 13px; font-weight: 600; padding: 6px 14px;
            border-radius: 100px; margin-bottom: 14px; letter-spacing: .3px;
        }
        .section-head h2 { font-size: 28px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
        .section-head p { color: var(--text-light); font-size: 15px; max-width: 560px; }
        .btn-main {
            background: var(--primary); color: #fff; border: none;
            padding: 10px 26px; border-radius: 50px; font-weight: 500;
            box-shadow: 0 4px 14px rgba(79,70,229,.3);
            transition: var(--transition); cursor: pointer;
        }
        .btn-main:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79,70,229,.4); }
        .btn-ghost {
            background: transparent; color: var(--primary);
            border: 1.5px solid var(--primary); padding: 9px 24px;
            border-radius: 50px; font-weight: 500;
            transition: var(--transition); cursor: pointer;
        }
        .btn-ghost:hover { background: var(--primary-light); color: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); }
        .btn-light {
            background: #fff; color: var(--primary); border: none;
            padding: 10px 26px; border-radius: 50px; font-weight: 500;
            box-shadow: 0 4px 14px rgba(0,0,0,.1);
            transition: var(--transition); cursor: pointer;
        }
        .btn-light:hover { background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); }

        /* ===== 应用外壳布局 ===== */
        .app-shell { display: flex; min-height: 100vh; }

        /* ===== 侧边导航 ===== */
        .sidebar {
            width: 240px; background: var(--bg-dark); color: #e5e7eb;
            display: flex; flex-direction: column; position: fixed;
            inset: 0 auto 0 0; z-index: 1040;
            padding: 20px 14px; transition: var(--transition);
        }
        .sidebar-logo {
            display: flex; align-items: center; gap: 10px;
            padding: 14px 12px; margin-bottom: 28px;
            color: #fff; font-size: 18px; font-weight: 700;
            border-radius: var(--radius-sm); background: rgba(255,255,255,.06);
        }
        .sidebar-logo i { color: var(--accent); font-size: 22px; }
        .sidebar-logo:hover { color: #fff; background: rgba(255,255,255,.1); }
        .sidebar-logo span { line-height: 1.3; }
        .sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
        .sidebar-nav .nav-item {
            display: flex; align-items: center; gap: 12px;
            padding: 12px 14px; border-radius: var(--radius-sm);
            color: #9ca3af; font-size: 15px; font-weight: 500;
            transition: var(--transition); border-left: 3px solid transparent;
        }
        .sidebar-nav .nav-item:hover { color: #fff; background: rgba(255,255,255,.08); text-decoration: none; }
        .sidebar-nav .nav-item.active { color: #fff; background: rgba(79,70,229,.3); border-left-color: var(--accent); }
        .sidebar-nav .nav-item i { width: 20px; text-align: center; font-size: 16px; }
        .sidebar-tag { font-size: 11px; color: #6b7280; text-transform: uppercase; letter-spacing: 1px; padding: 0 12px; margin-bottom: 8px; }
        .sidebar-footer { padding: 12px; font-size: 12px; color: #6b7280; border-top: 1px solid rgba(255,255,255,.08); margin-top: 16px; }

        /* ===== 主内容区 ===== */
        .main-wrapper { flex: 1; margin-left: 240px; display: flex; flex-direction: column; min-height: 100vh; }
        .main-content { flex: 1; }

        /* ===== 移动端顶部条 ===== */
        .mobile-topbar {
            display: none; background: var(--bg-dark); color: #fff;
            padding: 14px 20px; align-items: center; justify-content: space-between;
            position: sticky; top: 0; z-index: 1030;
        }
        .mobile-topbar .mobile-logo { color: #fff; font-weight: 700; display: flex; align-items: center; gap: 8px; }
        .mobile-topbar .mobile-logo i { color: var(--accent); }
        .mobile-menu-btn { background: none; border: none; color: #fff; font-size: 22px; cursor: pointer; padding: 4px; }
        .sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1035; }

        /* ===== 页头 Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, rgba(79,70,229,.92) 0%, rgba(124,58,237,.88) 100%), url('/assets/images/backpic/back-2.png') center/cover;
            color: #fff; padding: 85px 0 65px; position: relative; overflow: hidden; text-align: center;
        }
        .page-banner::after {
            content: ''; position: absolute; bottom: -40px; left: 50%; transform: translateX(-50%);
            width: 500px; height: 80px; background: rgba(255,255,255,.06); border-radius: 50%; filter: blur(40px);
        }
        .page-banner .container { position: relative; z-index: 2; }
        .page-banner .banner-tag {
            display: inline-flex; align-items: center; gap: 6px;
            background: rgba(255,255,255,.18); color: #fff;
            font-size: 13px; font-weight: 600; padding: 6px 16px;
            border-radius: 100px; margin-bottom: 16px; backdrop-filter: blur(4px);
        }
        .page-banner h1 { font-size: 38px; font-weight: 800; margin-bottom: 12px; letter-spacing: .5px; }
        .page-banner p { font-size: 16px; opacity: .92; max-width: 560px; margin: 0 auto; }
        .banner-stats { display: flex; justify-content: center; gap: 40px; margin-top: 36px; flex-wrap: wrap; }
        .banner-stats .stat { text-align: center; }
        .banner-stats .stat-num { font-size: 30px; font-weight: 800; display: block; }
        .banner-stats .stat-label { font-size: 13px; opacity: .8; }

        /* ===== 分类筛选标签 ===== */
        .category-tabs { margin-top: -30px; position: relative; z-index: 5; }
        .category-tabs .tabs-card {
            background: var(--bg-card); border-radius: var(--radius);
            box-shadow: var(--shadow); padding: 16px 20px;
            display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
        }
        .category-tabs .tab-pill {
            padding: 8px 20px; border-radius: 50px;
            font-size: 14px; font-weight: 500; color: var(--text-light);
            background: var(--bg); border: 1px solid var(--border); cursor: pointer;
            transition: var(--transition);
        }
        .category-tabs .tab-pill:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
        .category-tabs .tab-pill.active { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== 游戏卡片网格 ===== */
        .game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .game-card {
            background: var(--bg-card); border-radius: var(--radius);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border);
            overflow: hidden; transition: var(--transition);
            display: flex; flex-direction: column;
        }
        .game-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
        .game-card-media { position: relative; overflow: hidden; aspect-ratio: 16/9; background: var(--bg-dark); }
        .game-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
        .game-card:hover .game-card-media img { transform: scale(1.05); }
        .game-card-badge {
            position: absolute; top: 12px; left: 12px;
            background: rgba(0,0,0,.55); color: #fff;
            font-size: 12px; font-weight: 600; padding: 4px 12px;
            border-radius: 100px; backdrop-filter: blur(4px);
        }
        .game-card-type {
            position: absolute; bottom: 12px; right: 12px;
            background: var(--accent); color: #fff;
            font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 6px;
        }
        .game-card-body { padding: 22px 20px 20px; display: flex; flex-direction: column; flex: 1; }
        .game-card-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .game-card-body h3 a { color: var(--text); }
        .game-card-body h3 a:hover { color: var(--primary); }
        .game-card-meta { display: flex; gap: 12px; font-size: 12px; color: var(--text-light); margin-bottom: 10px; }
        .game-card-meta i { margin-right: 4px; color: var(--primary); }
        .game-card-desc { font-size: 14px; color: var(--text-light); flex: 1; margin-bottom: 16px; line-height: 1.6; }
        .game-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--border); }
        .game-card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
        .game-card-tags .mini-tag { font-size: 11px; padding: 2px 8px; border-radius: 4px; background: var(--primary-light); color: var(--primary); font-weight: 500; }
        .game-card-link { font-size: 13px; font-weight: 600; color: var(--primary); }

        /* ===== 热度排行列表 ===== */
        .rank-list .rank-item {
            display: flex; align-items: center; gap: 16px;
            padding: 16px 18px; background: var(--bg-card);
            border-radius: var(--radius-sm); margin-bottom: 12px;
            border: 1px solid var(--border); transition: var(--transition);
            position: relative; overflow: hidden;
        }
        .rank-item:hover { box-shadow: var(--shadow); border-color: var(--primary); transform: translateX(4px); }
        .rank-num {
            width: 34px; height: 34px; border-radius: 8px;
            background: var(--bg); color: var(--text-light); font-weight: 700;
            display: flex; align-items: center; justify-content: center; flex-shrink: 0;
            font-size: 15px;
        }
        .rank-item.top-1 .rank-num, .rank-item.top-2 .rank-num, .rank-item.top-3 .rank-num { background: var(--bg-gradient); color: #fff; }
        .rank-info { flex: 1; min-width: 0; }
        .rank-info h4 { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
        .rank-info p { font-size: 13px; color: var(--text-light); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .rank-tag { font-size: 12px; background: var(--primary-light); color: var(--primary); padding: 4px 10px; border-radius: 100px; flex-shrink: 0; font-weight: 500; }
        .rank-date { font-size: 12px; color: var(--text-lighter); flex-shrink: 0; }

        /* ===== 评测亮点 ===== */
        .feature-section { background: var(--bg-card); }
        .feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        .feature-card {
            padding: 28px 22px; text-align: center;
            background: var(--bg); border-radius: var(--radius);
            border: 1px solid var(--border); transition: var(--transition);
        }
        .feature-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: var(--primary); }
        .feature-card i { font-size: 32px; color: var(--primary); margin-bottom: 16px; }
        .feature-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
        .feature-card p { font-size: 13px; color: var(--text-light); margin: 0; }

        /* ===== CTA 区块 ===== */
        .cta-block {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
            border-radius: var(--radius-lg); padding: 50px 60px;
            color: #fff; text-align: center; position: relative; overflow: hidden;
            margin: 70px 0;
        }
        .cta-block h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
        .cta-block p { opacity: .9; margin-bottom: 26px; font-size: 15px; }

        /* ===== FAQ ===== */
        .faq-acc { max-width: 820px; margin: 0 auto; }
        .faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; }
        .faq-item details { padding: 0 20px; }
        .faq-item summary {
            padding: 18px 0; cursor: pointer; font-weight: 600;
            font-size: 15px; display: flex; justify-content: space-between;
            align-items: center; list-style: none; color: var(--text);
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item details[open] summary { color: var(--primary); }
        .faq-item .faq-answer { padding: 0 0 18px; color: var(--text-light); font-size: 14px; line-height: 1.7; }
        .faq-item .faq-icon { color: var(--text-lighter); transition: transform .3s; }
        .faq-item details[open] .faq-icon { transform: rotate(180deg); color: var(--primary); }

        /* ===== 页脚 ===== */
        .app-footer { background: var(--bg-dark); color: #9ca3af; padding: 50px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; margin-bottom: 30px; }
        .footer-brand .footer-logo { font-size: 20px; font-weight: 700; color: #fff; display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px; }
        .footer-brand .footer-logo i { color: var(--accent); }
        .footer-brand p { font-size: 14px; line-height: 1.7; }
        .footer-col h5 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul a { color: #9ca3af; font-size: 14px; }
        .footer-col ul a:hover { color: #fff; text-decoration: none; }
        .footer-col p { font-size: 14px; line-height: 1.7; color: #9ca3af; margin: 0; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0; text-align: center; font-size: 13px; color: #6b7280; }
        .footer-bottom a { color: #9ca3af; }
        .footer-bottom a:hover { color: #fff; }

        /* ===== 响应式断点 ===== */
        @media (max-width: 991px) {
            .sidebar { transform: translateX(-100%); width: 260px; }
            .sidebar.open { transform: translateX(0); }
            .main-wrapper { margin-left: 0; }
            .mobile-topbar { display: flex; }
            .sidebar-backdrop.show { display: block; }
            .game-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 767px) {
            .section-padding { padding: 50px 0; }
            .page-banner { padding: 60px 0 45px; }
            .page-banner h1 { font-size: 28px; }
            .banner-stats { gap: 24px; }
            .banner-stats .stat-num { font-size: 24px; }
            .game-grid { grid-template-columns: 1fr; gap: 18px; }
            .feature-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .cta-block { padding: 36px 24px; margin: 50px 0; }
            .cta-block h2 { font-size: 22px; }
            .rank-item { flex-wrap: wrap; gap: 10px; }
            .rank-date { display: none; }
        }
        @media (max-width: 520px) {
            .game-card-body { padding: 18px 16px; }
            .page-banner p { font-size: 14px; }
            .category-tabs .tab-pill { font-size: 13px; padding: 6px 16px; }
            .section-head h2 { font-size: 22px; }
            .rank-info p { white-space: normal; }
        }

        /* ===== 焦点状态 ===== */
        a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid rgba(79,70,229,.4); outline-offset: 2px; border-radius: 4px; }

/* roulang page: article */
:root {
            --primary: #4f46e5;
            --primary-light: #6366f1;
            --primary-dark: #3730a3;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f6f7fb;
            --card: #ffffff;
            --text: #1e2233;
            --text-secondary: #5b6472;
            --text-muted: #93a1b5;
            --border: #e5e9f0;
            --radius: 14px;
            --radius-lg: 24px;
            --radius-sm: 10px;
            --shadow: 0 2px 16px rgba(30, 34, 51, 0.05);
            --shadow-md: 0 6px 24px rgba(30, 34, 51, 0.08);
            --shadow-lg: 0 12px 36px rgba(30, 34, 51, 0.12);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .app-container {
            max-width: 1160px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #0e1424;
            background-image: linear-gradient(180deg, #0e1424 0%, #141b34 100%);
            padding: 28px 20px;
            display: flex;
            flex-direction: column;
            z-index: 1045;
            transition: transform 0.3s ease;
        }

        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            padding: 8px 12px;
            border-radius: 12px;
            margin-bottom: 18px;
            transition: var(--transition);
        }

        .sidebar-brand:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .brand-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
        }

        .brand-text {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.3;
            white-space: nowrap;
        }

        .sidebar-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.08);
            margin: 12px 0;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transform: translateX(4px);
        }

        .nav-item:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .nav-item.active {
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            color: #fff;
            box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .sidebar-footer {
            padding: 16px 12px 4px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .sidebar-footer p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
            line-height: 1.6;
            margin: 0;
            text-align: center;
        }

        /* ===== Main Area ===== */
        .main-area {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }

        .app-main {
            flex: 1;
            padding-bottom: 64px;
        }

        /* Mobile header */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1040;
            background: #0e1424;
            padding: 14px 20px;
            align-items: center;
            gap: 14px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
        }

        .mobile-toggle {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-logo {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            letter-spacing: 0.02em;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1044;
            backdrop-filter: blur(2px);
        }

        .sidebar-overlay.show {
            display: block;
        }

        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .main-area {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .app-container {
                padding: 0 16px;
            }
        }

        @media (min-width: 992px) {
            .sidebar-overlay {
                display: none !important;
            }
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 100px 0 90px;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 20, 36, 0.94) 20%, rgba(49, 46, 129, 0.78) 100%);
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 48px;
            background: var(--bg);
            border-radius: 48px 0 0 0;
        }

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

        .article-breadcrumb {
            margin-bottom: 24px;
        }

        .article-breadcrumb .breadcrumb {
            margin: 0;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: 8px 18px;
            display: inline-flex;
            flex-wrap: wrap;
        }

        .article-breadcrumb .breadcrumb-item {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        .article-breadcrumb .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-breadcrumb .breadcrumb-item a:hover {
            color: var(--accent-light);
        }

        .article-breadcrumb .breadcrumb-item.active::before {
            color: rgba(255, 255, 255, 0.4);
        }

        .article-breadcrumb .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.75);
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .badge-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #1e2233;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 30px;
            box-shadow: 0 2px 10px rgba(245, 158, 11, 0.35);
        }

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

        .article-title {
            color: #fff;
            font-size: clamp(24px, 3.2vw, 38px);
            font-weight: 800;
            line-height: 1.35;
            margin: 0 0 16px;
            letter-spacing: 0.01em;
            max-width: 780px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta i {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Article Body ===== */
        .article-card {
            max-width: 860px;
            margin: -32px auto 0;
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 48px;
            position: relative;
            z-index: 5;
        }

        .article-content {
            font-size: 16px;
            line-height: 2;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 1.4rem;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 2.2rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            color: var(--text);
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 1.8rem 0 1rem;
            color: var(--text);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.4rem;
            padding-left: 1.5rem;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 0.5rem;
        }

        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .article-content a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary);
        }

        .article-content blockquote {
            border-left: 4px solid var(--primary-light);
            background: #f3f4ff;
            padding: 16px 20px;
            margin: 1.6rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: var(--text-secondary);
        }

        .article-content img {
            max-width: 100%;
            border-radius: 14px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow-md);
        }

        .article-content pre {
            background: #1e2233;
            color: #f8fafc;
            border-radius: 12px;
            padding: 18px 24px;
            overflow: auto;
            margin: 1.4rem 0;
        }

        .article-content code {
            font-family: "SF Mono", Monaco, Consolas, monospace;
            font-size: 14px;
        }

        /* Article tags */
        .article-tags {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .tags-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
            margin-right: 4px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #f1f4f9;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 30px;
            transition: var(--transition);
        }

        .tag-chip:hover {
            background: var(--primary-light);
            color: #fff;
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }

        .tag-chip i {
            font-size: 11px;
        }

        /* Article not found */
        .article-not-found {
            text-align: center;
            padding: 40px 24px;
        }

        .article-not-found .not-found-icon {
            width: 80px;
            height: 80px;
            background: #f1f4f9;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: var(--text-muted);
            margin: 0 auto 24px;
        }

        .article-not-found h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .article-not-found .btn {
            border-radius: 12px;
            padding: 12px 28px;
            font-weight: 600;
        }

        /* ===== Related Section ===== */
        .related-section {
            max-width: 860px;
            margin: 48px auto 0;
            padding: 0 24px;
        }

        .section-header {
            margin-bottom: 28px;
        }

        .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            position: relative;
            display: inline-block;
            padding-left: 16px;
        }

        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 24px;
            border-radius: 4px;
            background: linear-gradient(135deg, var(--primary), #8b5cf6);
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 0;
        }

        .related-card {
            background: var(--card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .related-card-img {
            position: relative;
            height: 160px;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .related-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(14, 20, 36, 0.82);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
        }

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

        .related-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .related-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .related-card-date i {
            margin-right: 4px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            max-width: 860px;
            margin: 56px auto 0;
            padding: 0 24px;
        }

        .cta-inner {
            background: linear-gradient(135deg, #0e1424, #1e1b4b 70%, #312e81);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            background: rgba(99, 102, 241, 0.25);
            border-radius: 50%;
            filter: blur(30px);
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 2;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .cta-actions .btn {
            border-radius: 12px;
            padding: 12px 30px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: none;
        }

        .cta-actions .btn-light {
            background: #fff;
            color: var(--text);
        }

        .cta-actions .btn-light:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
        }

        .cta-actions .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
        }

        .cta-actions .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .app-footer {
            background: #0e1424;
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 24px;
            margin-top: 40px;
        }

        .app-footer .app-container {
            max-width: 1160px;
        }

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

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-size: 19px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-logo i {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #6366f1, #8b5cf6);
            border-radius: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
        }

        .footer-logo:hover {
            color: var(--accent-light);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary-light), var(--accent));
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 767px) {
            .section-padding {
                padding: 48px 0;
            }

            .article-hero {
                padding: 70px 0 80px;
            }

            .article-title {
                font-size: 24px;
            }

            .article-card {
                padding: 28px 20px;
                margin-top: -24px;
                border-radius: 18px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 20px;
            }

            .article-content h3 {
                font-size: 17px;
            }

            .related-section {
                padding: 0 16px;
            }

            .cta-section {
                padding: 0 16px;
            }

            .cta-inner {
                padding: 32px 20px;
                border-radius: 18px;
            }

            .cta-inner h2 {
                font-size: 22px;
            }

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

            .cta-actions .btn {
                width: 100%;
                max-width: 260px;
            }

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

            .footer-brand p {
                max-width: 100%;
            }

            .article-breadcrumb .breadcrumb {
                padding: 6px 14px;
                font-size: 12px;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .app-container {
                padding: 0 12px;
            }

            .article-hero {
                padding: 56px 0 70px;
            }

            .article-card {
                padding: 24px 16px;
            }

            .tag-chip {
                font-size: 12px;
                padding: 5px 12px;
            }

            .related-card-img {
                height: 130px;
            }
        }

        @media (min-width: 768px) and (max-width: 991px) {
            .article-card {
                padding: 36px 32px;
            }

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

/* roulang page: category2 */
:root {
            --primary: #2f54eb;
            --primary-light: #5b7bfa;
            --primary-dark: #1e3a8a;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --dark-navy: #0f172a;
            --bg: #f6f8fc;
            --surface: #ffffff;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 18px 40px rgba(15, 23, 42, 0.14);
            --transition: all .3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 1240px;
        }
        .app-container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 21, 36, .96);
            backdrop-filter: blur(8px);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            color: #fff;
        }
        .mobile-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
        }
        .mobile-logo i {
            color: var(--accent);
        }
        .mobile-toggle {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .15);
            color: #fff;
            font-size: 1.2rem;
            padding: 8px 12px;
            border-radius: 10px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--primary);
            border-color: var(--primary);
        }

        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 260px;
            z-index: 1040;
            background: linear-gradient(180deg, #0b1524 0%, #111f35 100%);
            border-right: 1px solid rgba(255, 255, 255, .06);
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.28rem;
            font-weight: 800;
            color: #fff;
            padding: 8px 12px;
            margin-bottom: 28px;
            letter-spacing: .4px;
        }
        .sidebar-logo i {
            color: var(--accent);
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: 12px;
            color: #b6c2d4;
            font-weight: 600;
            font-size: .95rem;
            transition: var(--transition);
        }
        .nav-item i {
            width: 20px;
            text-align: center;
        }
        .nav-item:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            transform: translateX(4px);
        }
        .nav-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(47, 84, 235, .35);
        }
        .sidebar-foot {
            margin-top: auto;
            color: #5d6b82;
            font-size: .82rem;
            padding: 16px 12px 4px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }
        .sidebar-overlay {
            display: none;
        }

        .app-main {
            margin-left: 260px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .page-banner {
            position: relative;
            padding: 120px 0 90px;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 21, 36, .92) 0%, rgba(47, 84, 235, .68) 100%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-nav {
            font-size: .9rem;
            color: rgba(255, 255, 255, .72);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-nav i {
            font-size: .75rem;
            color: var(--accent-light);
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: .5px;
            margin: 0 0 16px;
            line-height: 1.25;
        }
        .page-banner p {
            max-width: 700px;
            color: rgba(255, 255, 255, .86);
            font-size: 1.05rem;
            margin: 0;
        }

        .section {
            padding: 70px 0;
        }
        .section.bg-soft {
            background: #f1f5f9;
        }
        .section-head {
            max-width: 760px;
            margin-bottom: 44px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(47, 84, 235, .1);
            color: var(--primary);
            font-size: .85rem;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: .3px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.3;
        }
        .section-sub {
            color: var(--muted);
            font-size: 1rem;
            margin: 0;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 50px;
            background: var(--surface);
            color: var(--muted);
            font-weight: 600;
            font-size: .9rem;
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }
        .tag-btn i {
            font-size: .8rem;
        }
        .tag-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(47, 84, 235, .12);
        }
        .tag-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 18px rgba(47, 84, 235, .3);
        }

        .guide-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(47, 84, 235, .2);
        }
        .guide-card .thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #eef2f7;
        }
        .guide-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .guide-card:hover .thumb img {
            transform: scale(1.06);
        }
        .guide-card .badge-pos {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 6px 14px;
            border-radius: 50px;
            font-weight: 600;
            font-size: .78rem;
            background: rgba(255, 255, 255, .92);
            color: var(--primary);
            box-shadow: 0 4px 12px rgba(15, 23, 42, .12);
            backdrop-filter: blur(4px);
        }
        .guide-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-body h3 {
            font-size: 1.08rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 10px;
            color: var(--text);
        }
        .guide-body h3 a:hover {
            color: var(--primary);
        }
        .guide-body p {
            color: var(--muted);
            font-size: .92rem;
            margin: 0 0 18px;
            line-height: 1.8;
            flex: 1;
        }
        .guide-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: .82rem;
            color: var(--muted);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .guide-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .guide-meta i {
            color: var(--primary-light);
        }

        .latest-panel {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 30px;
            height: 100%;
        }
        .latest-panel h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .latest-panel .panel-sub {
            color: var(--muted);
            font-size: .88rem;
            margin-bottom: 18px;
        }
        .latest-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 0;
            border-bottom: 1px solid var(--border);
        }
        .latest-item:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }
        .latest-index {
            width: 34px;
            height: 34px;
            flex: 0 0 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(47, 84, 235, .1);
            color: var(--primary);
            font-weight: 700;
            font-size: .85rem;
        }
        .latest-item a {
            flex: 1;
            color: var(--text);
            font-weight: 600;
            font-size: .95rem;
            line-height: 1.5;
        }
        .latest-item a:hover {
            color: var(--primary);
        }
        .latest-date {
            font-size: .8rem;
            color: var(--muted);
            background: var(--bg);
            padding: 4px 10px;
            border-radius: 50px;
            white-space: nowrap;
        }

        .tips-panel {
            background: linear-gradient(160deg, #0f1f38, #1d3a63);
            border-radius: var(--radius-lg);
            padding: 34px;
            color: #fff;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .tips-panel .tips-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .tips-panel .tips-title i {
            color: var(--accent);
        }
        .tips-panel .tips-desc {
            color: rgba(255, 255, 255, .7);
            font-size: .88rem;
            margin-bottom: 18px;
        }
        .tips-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .tips-list li {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            color: rgba(255, 255, 255, .92);
            font-size: .92rem;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            line-height: 1.6;
        }
        .tips-list li:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }
        .tips-list li i {
            color: var(--accent);
            margin-top: 5px;
        }

        .step-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            background: var(--primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            box-shadow: 0 8px 20px rgba(47, 84, 235, .32);
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .step-card p {
            color: var(--muted);
            font-size: .92rem;
            margin: 0;
            line-height: 1.8;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 22px 26px;
            margin-bottom: 12px;
            box-shadow: 0 2px 8px rgba(15, 23, 42, .04);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(47, 84, 235, .4);
            box-shadow: var(--shadow);
        }
        .faq-item h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-item h3 i {
            color: var(--accent);
        }
        .faq-item p {
            color: var(--muted);
            font-size: .92rem;
            margin: 0;
            line-height: 1.8;
            padding-left: 24px;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
            border-radius: var(--radius-lg);
            padding: 54px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            text-align: center;
            box-shadow: 0 20px 50px rgba(79, 70, 229, .28);
        }
        .cta-box::before {
            content: "\f6e4";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: -20px;
            bottom: -30px;
            font-size: 10rem;
            opacity: .08;
            transform: rotate(-12deg);
        }
        .cta-box h2 {
            font-size: 1.9rem;
            font-weight: 800;
            margin: 0 0 16px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            max-width: 640px;
            margin: 0 auto 28px;
            color: rgba(255, 255, 255, .88);
            font-size: 1.02rem;
            position: relative;
            z-index: 2;
        }
        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .btn-game {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: 0;
            padding: 12px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: .95rem;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(47, 84, 235, .28);
        }
        .btn-game:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, .12);
        }
        .btn-white:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, .7);
            box-shadow: none;
        }
        .btn-outline-white:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            box-shadow: none;
        }

        .app-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 0;
            margin-top: auto;
        }
        .app-footer a {
            color: #94a3b8;
        }
        .app-footer a:hover {
            color: var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.6fr;
            gap: 44px;
            padding-bottom: 40px;
        }
        .footer-brand .footer-logo {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .footer-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            margin-top: 16px;
            font-size: .92rem;
            line-height: 1.85;
            color: #8a99ae;
            max-width: 420px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 10px;
            position: relative;
        }
        .footer-col h5::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: #8a99ae;
            font-size: .92rem;
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col>p {
            color: #8a99ae;
            font-size: .9rem;
            line-height: 1.85;
            margin: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: .85rem;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 1024px) {
            .app-sidebar {
                width: 220px;
            }
            .app-main {
                margin-left: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-banner {
                padding: 100px 0 70px;
            }
            .page-banner h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-header {
                display: flex;
            }
            .app-sidebar {
                display: none;
            }
            .app-sidebar.open {
                display: flex;
                position: fixed;
                top: 0;
                left: 0;
                bottom: 0;
                width: 280px;
                z-index: 1050;
                background: linear-gradient(180deg, #0b1524 0%, #111f35 100%);
            }
            .sidebar-overlay.show {
                display: block;
                position: fixed;
                inset: 0;
                z-index: 1045;
                background: rgba(15, 23, 42, .55);
                backdrop-filter: blur(2px);
            }
            .app-main {
                margin-left: 0;
            }
            .page-banner {
                padding: 80px 0 60px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner p {
                font-size: .95rem;
            }
            .section {
                padding: 44px 0;
            }
            .tag-btn {
                padding: 8px 16px;
                font-size: .84rem;
            }
            .guide-body {
                padding: 18px;
            }
            .guide-body h3 {
                font-size: 1rem;
            }
            .latest-panel {
                padding: 22px;
            }
            .latest-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .latest-date {
                margin-left: auto;
            }
            .tips-panel {
                padding: 24px;
            }
            .step-card {
                padding: 24px 18px;
            }
            .faq-item {
                padding: 18px;
            }
            .faq-item p {
                padding-left: 0;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-game {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }