/* roulang page: index */
:root {
            --primary: #6d5efc;
            --primary-dark: #5544ef;
            --primary-light: #8f7fff;
            --primary-glow: rgba(109, 94, 252, .3);
            --accent: #ffb84d;
            --accent-2: #ff6b9d;
            --bg-base: #0c0c1c;
            --bg-deep: #070712;
            --bg-section: #111128;
            --bg-card: #181836;
            --text-main: #f2f2f8;
            --text-muted: #a5aec0;
            --text-soft: #6b7488;
            --border: rgba(255, 255, 255, .08);
            --border-light: rgba(255, 255, 255, .16);
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, .25);
            --shadow-md: 0 12px 36px rgba(0, 0, 0, .4);
            --shadow-glow: 0 0 44px rgba(109, 94, 252, .25);
            --space-section: 90px;
            --space-section-sm: 56px;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-base);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--space-section) 0;
            position: relative;
        }
        .section-head {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 8px;
            background: linear-gradient(135deg, #fff, #b8b1ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all .3s ease;
            border: 1px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn i {
            font-size: 15px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 8px 26px rgba(109, 94, 252, .35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(109, 94, 252, .5);
        }
        .btn-outline {
            border-color: var(--border-light);
            color: var(--text-main);
            background: rgba(255, 255, 255, .04);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(109, 94, 252, .12);
            transform: translateY(-2px);
        }
        .btn-xl {
            padding: 16px 42px;
            font-size: 17px;
        }
        .btn-small {
            padding: 8px 18px;
            font-size: 13px;
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(109, 94, 252, .18);
            color: var(--primary-light);
            border: 1px solid rgba(109, 94, 252, .3);
        }
        .badge-accent {
            background: rgba(255, 184, 77, .14);
            color: var(--accent);
            border-color: rgba(255, 184, 77, .3);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(12, 12, 28, .82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 32px;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 16px rgba(109, 94, 252, .4);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .5px;
            color: #fff;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary-light);
            margin-left: 2px;
        }
        .main-nav {
            flex: 1;
        }
        .nav-list {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 30px;
            transition: all .25s;
        }
        .nav-link i.fa-chevron-down {
            font-size: 10px;
            opacity: .7;
            transition: transform .25s;
        }
        .nav-link:hover,
        .nav-item.active .nav-link {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .nav-item.has-mega:hover .nav-link i.fa-chevron-down {
            transform: rotate(180deg);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 0;
            min-width: 520px;
            background: rgba(20, 20, 40, .98);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 22px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all .3s ease;
            z-index: 50;
            backdrop-filter: blur(20px);
        }
        .nav-item.has-mega:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-grid {
            display: flex;
            gap: 24px;
        }
        .mega-col {
            flex: 1;
        }
        .mega-title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-soft);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .mega-link {
            display: block;
            padding: 7px 0;
            font-size: 14px;
            color: var(--text-muted);
            transition: all .2s;
        }
        .mega-link:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }
        .mega-card {
            width: 180px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }
        .mega-card img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }
        .mega-card span {
            display: block;
            padding: 10px 12px;
            background: rgba(0, 0, 0, .6);
            font-size: 12px;
            font-weight: 600;
            color: #fff;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 7px 14px;
            gap: 8px;
            width: 180px;
            transition: all .3s;
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(109, 94, 252, .18);
            width: 220px;
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 13px;
        }
        .search-box input {
            color: var(--text-main);
            font-size: 13px;
            width: 100%;
            background: transparent;
        }
        .search-box input::placeholder {
            color: var(--text-soft);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .06);
            color: var(--text-main);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            overflow: hidden;
            background: var(--bg-deep);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .4;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(7, 7, 18, .95) 0%, rgba(7, 7, 18, .7) 50%, rgba(7, 7, 18, .4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(109, 94, 252, .18);
            border: 1px solid rgba(109, 94, 252, .35);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 54px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: 1px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #fff 30%, #c0b8ff 70%, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            color: var(--text-muted);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .stat-item {
            text-align: left;
        }
        .stat-item strong {
            display: block;
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .stat-item span {
            font-size: 13px;
            color: var(--text-soft);
            margin-top: 4px;
        }

        /* ===== Features ===== */
        .features {
            background: var(--bg-section);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            transition: all .35s ease;
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity .3s;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(109, 94, 252, .3);
        }
        .feature-card:hover::after {
            opacity: 1;
        }
        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 8px 24px rgba(109, 94, 252, .35);
        }
        .feature-title {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .feature-text {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== Categories ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: block;
            min-height: 300px;
            box-shadow: var(--shadow-sm);
            transition: all .35s ease;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 20%, rgba(7, 7, 18, .92) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 32px;
        }
        .category-tag {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .category-title {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }
        .category-desc {
            color: rgba(255, 255, 255, .8);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 14px;
            max-width: 360px;
        }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            transition: gap .3s;
        }
        .category-card:hover .category-link {
            gap: 14px;
        }

        /* ===== News ===== */
        .news-section {
            background: var(--bg-deep);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px 28px;
            margin-bottom: 16px;
            transition: all .3s ease;
        }
        .news-item:hover {
            border-color: rgba(109, 94, 252, .35);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 8px;
        }
        .news-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(109, 94, 252, .15);
            padding: 3px 12px;
            border-radius: 30px;
        }
        .news-date {
            font-size: 13px;
            color: var(--text-soft);
        }
        .news-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-title a {
            color: #fff;
            transition: color .25s;
        }
        .news-title a:hover {
            color: var(--primary-light);
        }
        .news-excerpt {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            background: var(--bg-card);
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-md);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
        }
        .news-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 26px;
        }
        .side-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card h4 i {
            color: var(--accent);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 30px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            transition: all .25s;
        }
        .tag:hover {
            background: rgba(109, 94, 252, .18);
            border-color: rgba(109, 94, 252, .35);
            color: var(--primary-light);
            transform: translateY(-2px);
        }
        .side-cover {
            position: relative;
            padding: 0;
            overflow: hidden;
            border-radius: var(--radius-md);
        }
        .side-cover img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .side-cover-title {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 20px 18px;
            background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .85));
            font-size: 15px;
            font-weight: 600;
            color: #fff;
        }

        /* ===== Hot Games ===== */
        .hot-games {
            background: var(--bg-section);
        }
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .hot-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: all .35s;
            position: relative;
        }
        .hot-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: rgba(109, 94, 252, .3);
        }
        .hot-card-img {
            position: relative;
            overflow: hidden;
            height: 160px;
        }
        .hot-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .hot-card:hover .hot-card-img img {
            transform: scale(1.06);
        }
        .hot-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
        }
        .hot-card-body {
            padding: 16px;
        }
        .hot-card-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-card-sub {
            font-size: 12px;
            color: var(--text-soft);
        }

        /* ===== Stats Band ===== */
        .stats-band {
            position: relative;
            padding: 80px 0;
            background: var(--bg-deep);
        }
        .stats-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .25;
        }
        .stats-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(7, 7, 18, .9), rgba(7, 7, 18, .7));
        }
        .stats-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stats-item {
            padding: 20px;
        }
        .stats-item strong {
            font-size: 44px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            line-height: 1.2;
        }
        .stats-item span {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 30px;
            margin-bottom: 14px;
            transition: all .3s;
        }
        .faq-item:hover {
            border-color: rgba(109, 94, 252, .35);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
        }
        .faq-q i {
            color: var(--primary-light);
            font-size: 14px;
            transition: transform .3s;
        }
        .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }
        .faq-a {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border);
            display: none;
        }
        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: var(--bg-deep);
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .3;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(109, 94, 252, .35), rgba(7, 7, 18, .85));
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 36px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-desc {
            color: rgba(255, 255, 255, .85);
            font-size: 16px;
            line-height: 1.7;
            margin-bottom: 30px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: all .25s;
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            margin-bottom: 12px;
            color: var(--text-muted);
            font-size: 14px;
        }
        .footer-contact i {
            color: var(--primary-light);
            margin-top: 3px;
            font-size: 14px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 22px 0;
            text-align: center;
            color: var(--text-soft);
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hot-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-side {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .side-card {
                flex: 1;
                min-width: 200px;
            }
            .mega-panel {
                min-width: 460px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --space-section: 60px;
                --space-section-sm: 40px;
            }
            .header-inner {
                gap: 14px;
            }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(12, 12, 28, .97);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                max-height: 0;
                overflow: hidden;
                transition: max-height .4s ease;
            }
            .main-nav.open {
                max-height: 480px;
                overflow-y: auto;
            }
            .nav-list {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
            }
            .mega-panel {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                min-width: 0;
                margin-left: 16px;
                margin-top: 4px;
                box-shadow: none;
                background: rgba(255, 255, 255, .04);
                border-radius: var(--radius-sm);
                padding: 14px;
                display: none;
            }
            .nav-item.has-mega.active-mega .mega-panel {
                display: block;
            }
            .header-actions .search-box {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                min-height: 520px;
                padding: 40px 0;
            }
            .hero-title {
                font-size: 38px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-inner {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-item strong {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 22px;
            }
            .stat-item strong {
                font-size: 24px;
            }
            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-title {
                font-size: 28px;
            }
            .section-title {
                font-size: 26px;
            }
        }

/* roulang page: category1 */
:root{
  --bg:#0b0f16;
  --bg-soft:#0f1520;
  --surface:#141c2b;
  --surface-2:#1b2436;
  --border:rgba(255,255,255,.08);
  --text:#eaf0f8;
  --text-muted:#93a1b7;
  --primary:#7b6cf6;
  --primary-light:#a69bfa;
  --accent:#ff7a5c;
  --accent-2:#22d3b8;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 40px rgba(0,0,0,.35);
  --shadow-hover:0 24px 50px rgba(0,0,0,.5);
  --header-h:72px;
  --max-w:1200px;
  --transition:.25s ease;
}
*,*::before,*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{
  color:inherit;
  text-decoration:none;
}
img{
  max-width:100%;
  display:block;
}
button,input,textarea{
  font-family:inherit;
  font-size:inherit;
  border:none;
  outline:none;
  background:none;
  color:inherit;
}
ul,ol{
  list-style:none;
}
.container{
  width:100%;
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 24px;
}
/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height:var(--header-h);
  background:rgba(11,15,22,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:var(--header-h);
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-icon{
  width:42px;
  height:42px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),#5b46d8);
  border-radius:12px;
  color:#fff;
  font-size:18px;
  box-shadow:0 8px 20px rgba(123,108,246,.35);
}
.logo-text{
  font-size:20px;
  font-weight:900;
  line-height:1.2;
  letter-spacing:.5px;
}
.logo-text span{
  color:var(--primary-light);
}
.main-nav{
  display:flex;
  align-items:center;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-item{
  position:relative;
}
.nav-link{
  display:flex;
  align-items:center;
  gap:7px;
  padding:10px 18px;
  border-radius:999px;
  font-weight:500;
  color:var(--text-muted);
  transition:var(--transition);
}
.nav-link i{
  font-size:11px;
  transition:transform .3s ease;
}
.nav-item:hover .nav-link,
.nav-item.active .nav-link{
  color:var(--text);
  background:rgba(123,108,246,.14);
}
.nav-item.active .nav-link{
  color:var(--primary-light);
  font-weight:700;
}
.nav-item:hover .nav-link i{
  transform:rotate(180deg);
}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  left:50%;
  transform:translateX(-50%) translateY(10px);
  width:460px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:20px;
  opacity:0;
  visibility:hidden;
  transition:var(--transition);
  z-index:50;
}
.nav-item:hover .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.mega-panel::before{
  content:"";
  position:absolute;
  top:-10px;
  left:0;
  right:0;
  height:14px;
}
.mega-grid{
  display:grid;
  grid-template-columns:1fr 160px;
  gap:20px;
}
.mega-title{
  font-size:13px;
  font-weight:700;
  color:var(--text-muted);
  letter-spacing:1px;
  margin-bottom:10px;
  text-transform:uppercase;
}
.mega-link{
  display:block;
  padding:7px 0;
  color:var(--text);
  font-size:14px;
  transition:var(--transition);
  border-radius:6px;
}
.mega-link:hover{
  color:var(--primary-light);
  padding-left:6px;
}
.mega-card{
  border-radius:var(--radius-sm);
  overflow:hidden;
  background:var(--surface-2);
  position:relative;
  min-height:100px;
}
.mega-card img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.mega-card span{
  position:absolute;
  left:10px;
  bottom:10px;
  right:10px;
  background:rgba(0,0,0,.6);
  backdrop-filter:blur(6px);
  color:#fff;
  font-size:12px;
  padding:5px 8px;
  border-radius:8px;
  display:flex;
  align-items:center;
  gap:5px;
}
.mega-card span i{
  color:var(--accent);
}
/* Hero */
.page-hero{
  position:relative;
  padding:100px 0 80px;
  background:linear-gradient(135deg,rgba(11,15,22,.94) 30%,rgba(31,27,58,.82)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:340px;
  height:340px;
  background:radial-gradient(circle,rgba(123,108,246,.25),transparent 70%);
  border-radius:50%;
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:22px;
}
.breadcrumb a{
  color:var(--text-muted);
  transition:var(--transition);
}
.breadcrumb a:hover{
  color:var(--primary-light);
}
.breadcrumb i{
  font-size:11px;
  color:rgba(255,255,255,.3);
}
.hero-title{
  font-size:clamp(32px,4vw,50px);
  font-weight:900;
  line-height:1.2;
  margin-bottom:18px;
  letter-spacing:1px;
}
.hero-title span{
  background:linear-gradient(90deg,var(--primary-light),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-desc{
  max-width:600px;
  color:var(--text-muted);
  font-size:16px;
  margin-bottom:28px;
}
.hero-search{
  display:flex;
  align-items:center;
  max-width:560px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:999px;
  padding:6px 6px 6px 22px;
  gap:10px;
  box-shadow:var(--shadow);
  transition:var(--transition);
}
.hero-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(123,108,246,.15);
}
.hero-search i{
  color:var(--text-muted);
}
.hero-search input{
  flex:1;
  height:40px;
  background:transparent;
  color:var(--text);
  font-size:14px;
}
.hero-search input::placeholder{
  color:var(--text-muted);
}
.hero-search button{
  height:40px;
  padding:0 24px;
  background:linear-gradient(135deg,var(--primary),#5b46d8);
  color:#fff;
  border-radius:999px;
  font-weight:700;
  font-size:14px;
  cursor:pointer;
  transition:var(--transition);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-search button:hover{
  transform:translateY(-1px);
  box-shadow:0 8px 20px rgba(123,108,246,.35);
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:42px;
}
.hero-stat{
  display:flex;
  flex-direction:column;
}
.hero-stat strong{
  font-size:26px;
  font-weight:900;
  color:#fff;
}
.hero-stat strong i{
  color:var(--accent-2);
  font-style:normal;
}
.hero-stat span{
  font-size:13px;
  color:var(--text-muted);
}
/* Section Shared */
.section{
  padding:80px 0;
}
.section-header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:40px;
}
.section-title{
  font-size:28px;
  font-weight:800;
  line-height:1.3;
  position:relative;
  padding-left:16px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:6px;
  bottom:6px;
  width:4px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.section-title small{
  display:block;
  font-size:14px;
  font-weight:400;
  color:var(--text-muted);
  margin-top:4px;
  letter-spacing:.5px;
}
.section-more{
  font-size:14px;
  color:var(--text-muted);
  display:flex;
  align-items:center;
  gap:6px;
  transition:var(--transition);
  white-space:nowrap;
}
.section-more:hover{
  color:var(--primary-light);
  gap:10px;
}
/* Channel Nav */
.channel-nav{
  padding:40px 0 10px;
}
.channel-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.channel-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 22px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.channel-card::before{
  content:"";
  position:absolute;
  right:-30px;
  top:-30px;
  width:80px;
  height:80px;
  border-radius:50%;
  background:var(--primary);
  opacity:.08;
  transition:var(--transition);
}
.channel-card:hover{
  transform:translateY(-4px);
  border-color:rgba(123,108,246,.35);
  box-shadow:var(--shadow);
}
.channel-card:hover::before{
  transform:scale(1.8);
}
.channel-icon{
  width:48px;
  height:48px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:16px;
  background:rgba(123,108,246,.14);
  color:var(--primary-light);
}
.channel-card:nth-child(2) .channel-icon{
  background:rgba(255,122,92,.14);
  color:var(--accent);
}
.channel-card:nth-child(3) .channel-icon{
  background:rgba(34,211,184,.14);
  color:var(--accent-2);
}
.channel-card:nth-child(4) .channel-icon{
  background:rgba(246,198,92,.14);
  color:#f6c65c;
}
.channel-card h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
}
.channel-card p{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.6;
}
.channel-count{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:12px;
  color:var(--text-muted);
  background:rgba(255,255,255,.04);
  padding:4px 12px;
  border-radius:999px;
}
/* Featured Guides */
.featured-guides{
  padding:80px 0;
  background:var(--bg-soft);
}
.guide-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.guide-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.guide-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(123,108,246,.3);
}
.guide-card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.guide-card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.guide-card:hover .guide-card-cover img{
  transform:scale(1.06);
}
.guide-card-tag{
  position:absolute;
  top:12px;
  left:12px;
  background:rgba(11,15,22,.75);
  backdrop-filter:blur(6px);
  color:#fff;
  font-size:12px;
  padding:4px 12px;
  border-radius:999px;
  display:flex;
  align-items:center;
  gap:5px;
  z-index:2;
}
.guide-card-tag i{
  color:var(--accent);
}
.guide-card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.guide-card-body h3{
  font-size:17px;
  font-weight:700;
  line-height:1.45;
  margin-bottom:10px;
  transition:var(--transition);
}
.guide-card:hover .guide-card-body h3{
  color:var(--primary-light);
}
.guide-card-body p{
  font-size:13px;
  color:var(--text-muted);
  flex:1;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.guide-card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--border);
}
.guide-card-meta span{
  font-size:12px;
  color:var(--text-muted);
  display:flex;
  align-items:center;
  gap:6px;
}
.guide-card-meta span i{
  color:var(--primary);
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  font-size:12px;
  font-weight:500;
  color:var(--text);
  transition:var(--transition);
}
.btn-outline:hover{
  border-color:var(--primary);
  background:rgba(123,108,246,.1);
  color:var(--primary-light);
}
/* Guide List */
.guide-list-section{
  padding:80px 0;
}
.guide-list-layout{
  display:grid;
  grid-template-columns:1fr 360px;
  gap:36px;
  align-items:start;
}
.article-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.article-item{
  display:flex;
  gap:20px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  transition:var(--transition);
  cursor:pointer;
}
.article-item:hover{
  border-color:rgba(123,108,246,.3);
  transform:translateX(4px);
  box-shadow:var(--shadow);
}
.article-item-date{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  background:var(--bg-soft);
  border-radius:12px;
  min-width:64px;
  height:64px;
  padding:8px 12px;
  flex-shrink:0;
}
.article-item-date strong{
  font-size:20px;
  font-weight:900;
  color:var(--primary-light);
  line-height:1.1;
}
.article-item-date span{
  font-size:11px;
  color:var(--text-muted);
}
.article-item-content{
  flex:1;
  min-width:0;
}
.article-item-content .article-cat{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:12px;
  color:var(--accent);
  font-weight:500;
  margin-bottom:6px;
}
.article-item-content .article-cat i{
  font-size:10px;
}
.article-item-content h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
  line-height:1.4;
  transition:var(--transition);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.article-item:hover .article-item-content h3{
  color:var(--primary-light);
}
.article-item-content p{
  font-size:13px;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:10px;
}
.article-item-foot{
  display:flex;
  align-items:center;
  gap:18px;
  font-size:12px;
  color:var(--text-muted);
}
.article-item-foot span{
  display:flex;
  align-items:center;
  gap:5px;
}
.article-item-foot i{
  color:var(--primary);
}
/* Sidebar */
.sidebar{
  display:flex;
  flex-direction:column;
  gap:26px;
}
.sidebar-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
}
.sidebar-card h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:18px;
  padding-bottom:12px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:8px;
}
.sidebar-card h3 i{
  color:var(--accent);
}
.rank-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.rank-item{
  display:flex;
  align-items:center;
  gap:12px;
  cursor:pointer;
  transition:var(--transition);
}
.rank-item:hover{
  padding-left:4px;
}
.rank-num{
  width:28px;
  height:28px;
  flex-shrink:0;
  border-radius:8px;
  background:rgba(123,108,246,.12);
  color:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  font-weight:700;
  transition:var(--transition);
}
.rank-item:nth-child(1) .rank-num,
.rank-item:nth-child(2) .rank-num,
.rank-item:nth-child(3) .rank-num{
  background:linear-gradient(135deg,var(--primary),#5b46d8);
  color:#fff;
}
.rank-item span{
  font-size:14px;
  line-height:1.4;
  color:var(--text);
  transition:var(--transition);
}
.rank-item:hover span{
  color:var(--primary-light);
}
.rank-item small{
  margin-left:auto;
  color:var(--text-muted);
  font-size:12px;
  white-space:nowrap;
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
  background:var(--bg-soft);
  border:1px solid var(--border);
  color:var(--text-muted);
  transition:var(--transition);
}
.tag-cloud a:hover{
  color:var(--primary-light);
  border-color:var(--primary);
  background:rgba(123,108,246,.08);
  transform:translateY(-1px);
}
/* Process */
.process-steps{
  padding:80px 0;
  background:linear-gradient(135deg,rgba(11,15,22,.96),rgba(31,27,58,.92)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.process-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.process-step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 26px 28px;
  transition:var(--transition);
  overflow:hidden;
}
.process-step:hover{
  transform:translateY(-4px);
  border-color:rgba(123,108,246,.3);
  box-shadow:var(--shadow);
}
.process-step::after{
  content:attr(data-step);
  position:absolute;
  right:10px;
  bottom:-8px;
  font-size:56px;
  font-weight:900;
  color:rgba(255,255,255,.04);
  line-height:1;
}
.process-icon{
  width:52px;
  height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--primary),#5b46d8);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:21px;
  margin-bottom:18px;
  box-shadow:0 8px 20px rgba(123,108,246,.3);
}
.process-step:nth-child(2) .process-icon{
  background:linear-gradient(135deg,var(--accent),#e8502f);
  box-shadow:0 8px 20px rgba(255,122,92,.3);
}
.process-step:nth-child(3) .process-icon{
  background:linear-gradient(135deg,var(--accent-2),#0ba88f);
  box-shadow:0 8px 20px rgba(34,211,184,.3);
}
.process-step h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:10px;
}
.process-step p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.65;
}
/* FAQ */
.faq-section{
  padding:80px 0;
}
.faq-list{
  max-width:860px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:rgba(123,108,246,.25);
}
.faq-item details summary{
  cursor:pointer;
  padding:22px 24px;
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:12px;
  list-style:none;
  transition:var(--transition);
}
.faq-item details summary::-webkit-details-marker{
  display:none;
}
.faq-item details summary i{
  width:32px;
  height:32px;
  flex-shrink:0;
  border-radius:10px;
  background:rgba(123,108,246,.12);
  color:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
}
.faq-item details summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  margin-left:auto;
  font-size:13px;
  color:var(--text-muted);
  transition:transform .3s ease;
}
.faq-item details[open] summary{
  color:var(--primary-light);
}
.faq-item details[open] summary::after{
  transform:rotate(180deg);
}
.faq-item details .faq-answer{
  padding:0 24px 22px 68px;
  color:var(--text-muted);
  font-size:14px;
  line-height:1.75;
  border-top:1px solid var(--border);
  padding-top:16px;
}
/* CTA */
.cta-section{
  padding:80px 0;
}
.cta-box{
  position:relative;
  background:linear-gradient(120deg,rgba(123,108,246,.22),rgba(255,122,92,.12)),var(--surface-2);
  border:1px solid var(--border);
  border-radius:24px;
  padding:64px 48px;
  overflow:hidden;
  text-align:center;
}
.cta-box::before{
  content:"";
  position:absolute;
  left:50%;
  top:-80px;
  transform:translateX(-50%);
  width:420px;
  height:180px;
  background:radial-gradient(ellipse,rgba(123,108,246,.25),transparent 70%);
  pointer-events:none;
}
.cta-box h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:900;
  margin-bottom:14px;
  position:relative;
}
.cta-box p{
  max-width:600px;
  margin:0 auto 28px;
  color:var(--text-muted);
  position:relative;
  font-size:15px;
}
.cta-btns{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
  position:relative;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 28px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--primary),#5b46d8);
  color:#fff;
  font-weight:700;
  cursor:pointer;
  transition:var(--transition);
  box-shadow:0 8px 24px rgba(123,108,246,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(123,108,246,.4);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:12px 28px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--text);
  font-weight:600;
  cursor:pointer;
  transition:var(--transition);
}
.btn-ghost:hover{
  border-color:var(--accent);
  background:rgba(255,122,92,.08);
  color:var(--accent);
}
/* Footer */
.site-footer{
  background:var(--bg-soft);
  border-top:1px solid var(--border);
  padding:60px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand p{
  margin-top:18px;
  color:var(--text-muted);
  font-size:14px;
  line-height:1.75;
  max-width:320px;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-title::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:26px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-links a{
  color:var(--text-muted);
  font-size:14px;
  transition:var(--transition);
}
.footer-links a:hover{
  color:var(--primary-light);
  padding-left:4px;
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--text-muted);
  font-size:14px;
}
.footer-contact li i{
  width:34px;
  height:34px;
  flex-shrink:0;
  border-radius:10px;
  background:rgba(123,108,246,.1);
  color:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
}
.footer-bottom{
  border-top:1px solid var(--border);
  padding:22px 0;
  text-align:center;
  color:var(--text-muted);
  font-size:13px;
}
.footer-bottom p{
  opacity:.8;
}
/* Responsive */
@media (max-width:1024px){
  .channel-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .guide-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .guide-list-layout{
    grid-template-columns:1fr;
  }
  .process-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:30px;
  }
  .mega-panel{
    display:none;
  }
  .nav-link{
    padding:10px 14px;
  }
}
@media (max-width:768px){
  .header-inner{
    gap:12px;
  }
  .nav-list{
    gap:2px;
    overflow-x:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .nav-list::-webkit-scrollbar{
    display:none;
  }
  .nav-link{
    white-space:nowrap;
    padding:10px 12px;
    font-size:14px;
  }
  .page-hero{
    padding:70px 0 60px;
  }
  .hero-title{
    font-size:28px;
  }
  .hero-search{
    flex-direction:column;
    align-items:stretch;
    border-radius:16px;
    background:transparent;
    border:none;
    box-shadow:none;
    gap:10px;
  }
  .hero-search input{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:999px;
    padding:0 20px;
  }
  .hero-search button{
    justify-content:center;
  }
  .hero-stats{
    gap:20px;
  }
  .section{
    padding:60px 0;
  }
  .section-header{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
    margin-bottom:28px;
  }
  .section-title{
    font-size:23px;
  }
  .cta-box{
    padding:44px 24px;
  }
}
@media (max-width:520px){
  .container{
    padding:0 16px;
  }
  .channel-grid,
  .guide-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:26px;
  }
  .article-item{
    flex-direction:column;
    gap:12px;
    padding:16px;
  }
  .article-item-date{
    flex-direction:row;
    height:auto;
    align-self:flex-start;
    padding:6px 14px;
    gap:6px;
  }
  .article-item-content h3{
    font-size:16px;
    white-space:normal;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
  }
  .article-item-foot{
    flex-wrap:wrap;
  }
  .hero-stats strong{
    font-size:20px;
  }
  .section-title small{
    font-size:12px;
  }
  .faq-item details summary{
    font-size:14px;
    padding:18px 16px;
  }
  .faq-item details .faq-answer{
    padding:12px 16px 18px;
  }
  .cta-box h2{
    font-size:22px;
  }
  .logo-text{
    font-size:17px;
  }
  .logo-icon{
    width:36px;
    height:36px;
    font-size:16px;
  }
}

/* roulang page: category2 */
:root {
            --primary: #1e2a47;
            --primary-dark: #131c2e;
            --primary-light: #263858;
            --accent: #ff7a18;
            --accent-hover: #ff9436;
            --bg: #0b1220;
            --bg-soft: #0f1728;
            --card-bg: #151d2e;
            --card-bg-hover: #1a2438;
            --text: #e8edf5;
            --text-weak: #8a9ab5;
            --text-mute: #5c6c86;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-sm: 0 6px 20px rgba(0, 0, 0, 0.22);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1200px;
            --header-h: 76px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            color: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        ul,
        ol {
            list-style: none;
        }

        ::selection {
            background: var(--accent);
            color: #111;
        }

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

        .section {
            padding: 96px 0;
            position: relative;
        }

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

        .section-header {
            max-width: 640px;
            margin: 0 auto 56px;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(255, 122, 24, 0.12);
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 18px;
            border: 1px solid rgba(255, 122, 24, 0.2);
        }

        .section-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #131c2e;
            box-shadow: 0 6px 20px rgba(255, 122, 24, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(255, 122, 24, 0.4);
        }

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

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(255, 122, 24, 0.4);
            outline-offset: 2px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border);
            color: var(--text-weak);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 100px;
        }

        .badge-accent {
            background: rgba(255, 122, 24, 0.14);
            border-color: rgba(255, 122, 24, 0.3);
            color: var(--accent);
        }

        /* ========== Header & Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 18, 32, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), #ffb36b);
            border-radius: 12px;
            color: #131c2e;
            font-size: 20px;
            box-shadow: 0 4px 14px rgba(255, 122, 24, 0.35);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .nav-link i.fa-chevron-down {
            font-size: 11px;
            opacity: 0.7;
            transition: var(--transition);
        }

        .nav-item.active > .nav-link {
            color: var(--text);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-item.active > .nav-link::before {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 4px;
            background: var(--accent);
            border-radius: 50%;
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 480px;
            background: rgba(21, 29, 46, 0.98);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow);
            z-index: 100;
        }

        .nav-item.has-mega:hover .mega-panel,
        .nav-item.has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: 1fr 180px;
            gap: 28px;
            align-items: start;
        }

        .mega-title {
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--text-mute);
            margin-bottom: 16px;
        }

        .mega-link {
            display: block;
            padding: 8px 12px;
            border-radius: 8px;
            color: var(--text-weak);
            font-size: 14px;
            margin-bottom: 2px;
            transition: var(--transition);
        }

        .mega-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.06);
            padding-left: 16px;
        }

        .mega-card {
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            height: 150px;
        }

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

        .mega-card:hover img {
            transform: scale(1.05);
        }

        .mega-card span {
            position: absolute;
            bottom: 10px;
            left: 10px;
            right: 10px;
            background: rgba(11, 18, 32, 0.8);
            backdrop-filter: blur(8px);
            padding: 6px 10px;
            border-radius: 8px;
            font-size: 12px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .mega-card span i {
            color: var(--accent);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text);
        }

        /* ========== Page Banner ========== */
        .page-banner {
            position: relative;
            padding: 180px 0 100px;
            background: linear-gradient(135deg, rgba(11, 18, 32, 0.92) 0%, rgba(20, 30, 52, 0.7) 50%, rgba(11, 18, 32, 0.9) 100%),
                url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .page-banner::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
            pointer-events: none;
        }

        .banner-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            margin: 0 auto;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--text-weak);
        }

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

        .breadcrumb i {
            font-size: 11px;
            color: var(--text-mute);
        }

        .banner-title {
            font-size: 52px;
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -1px;
            background: linear-gradient(135deg, #ffffff 30%, #ffb36b 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .banner-desc {
            font-size: 18px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 34px;
        }

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

        .banner-meta {
            display: flex;
            justify-content: center;
            gap: 32px;
            margin-top: 44px;
            flex-wrap: wrap;
        }

        .banner-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-weak);
        }

        .banner-meta-item i {
            color: var(--accent);
            width: 22px;
            height: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 122, 24, 0.15);
            border-radius: 6px;
            font-size: 12px;
        }

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

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

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

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

        .service-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: rgba(255, 122, 24, 0.14);
            color: var(--accent);
            border: 1px solid rgba(255, 122, 24, 0.2);
        }

        .service-card:nth-child(2) .service-icon {
            background: rgba(78, 205, 196, 0.14);
            color: #4ecdc4;
            border-color: rgba(78, 205, 196, 0.2);
        }

        .service-card:nth-child(3) .service-icon {
            background: rgba(255, 209, 102, 0.14);
            color: #ffd166;
            border-color: rgba(255, 209, 102, 0.2);
        }

        .service-card:nth-child(4) .service-icon {
            background: rgba(108, 92, 231, 0.14);
            color: #6c5ce7;
            border-color: rgba(108, 92, 231, 0.2);
        }

        .service-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .service-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            opacity: 0;
            transform: translateX(-6px);
            transition: var(--transition);
        }

        .service-card:hover .service-link {
            opacity: 1;
            transform: translateX(0);
        }

        .service-link i {
            font-size: 12px;
            transition: var(--transition);
        }

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

        /* ========== Topics ========== */
        .topic-wrap {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .topic-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 24px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            transition: var(--transition);
            cursor: pointer;
        }

        .topic-item:hover {
            background: var(--card-bg-hover);
            border-color: var(--border-light);
            transform: translateX(6px);
            box-shadow: var(--shadow-sm);
        }

        .topic-number {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-mute);
            min-width: 48px;
            text-align: center;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 10px;
            padding: 8px 0;
            font-style: italic;
        }

        .topic-item:first-child .topic-number {
            color: var(--accent);
            background: rgba(255, 122, 24, 0.1);
        }

        .topic-item:nth-child(2) .topic-number {
            color: #ffd166;
            background: rgba(255, 209, 102, 0.1);
        }

        .topic-item:nth-child(3) .topic-number {
            color: #4ecdc4;
            background: rgba(78, 205, 196, 0.1);
        }

        .topic-info {
            flex: 1;
        }

        .topic-title {
            font-size: 16px;
            font-weight: 500;
            margin-bottom: 5px;
            line-height: 1.4;
        }

        .topic-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .topic-stats {
            text-align: right;
            flex-shrink: 0;
        }

        .topic-stats-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
        }

        .topic-stats-label {
            font-size: 12px;
            color: var(--text-mute);
        }

        .topic-side {
            background: linear-gradient(145deg, var(--primary-light), var(--primary-dark));
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            position: sticky;
            top: calc(var(--header-h) + 24px);
        }

        .topic-side h3 {
            font-size: 22px;
            margin-bottom: 10px;
        }

        .topic-side p {
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .side-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 28px;
        }

        .side-list-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--text-weak);
        }

        .side-list-item i {
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            font-size: 12px;
            color: var(--accent);
        }

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

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 40px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            border-radius: 3px;
            opacity: 0;
            transition: var(--transition);
        }

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

        .stat-card:hover::after {
            opacity: 1;
        }

        .stat-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 18px;
        }

        .stat-number {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-weak);
        }

        /* ========== Gallery ========== */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .gallery-item {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4 / 5;
            cursor: pointer;
        }

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

        .gallery-item:hover img {
            transform: scale(1.08);
        }

        .gallery-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top,
                    rgba(11, 18, 32, 0.9) 0%,
                    rgba(11, 18, 32, 0.2) 45%,
                    transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 22px;
            opacity: 0;
            transition: var(--transition);
        }

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

        .gallery-overlay h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            transform: translateY(10px);
            transition: var(--transition);
        }

        .gallery-item:hover .gallery-overlay h4 {
            transform: translateY(0);
        }

        .gallery-overlay span {
            font-size: 13px;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 6px;
            transform: translateY(10px);
            transition: var(--transition) 0.05s;
        }

        .gallery-item:hover .gallery-overlay span {
            transform: translateY(0);
        }

        .gallery-overlay span i {
            color: var(--accent);
            font-size: 11px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

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

        .faq-item details {
            padding: 24px 28px;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            list-style: none;
            user-select: none;
        }

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

        .faq-item summary i {
            color: var(--text-mute);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .faq-item details[open] summary i {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(30, 42, 71, 0.9), rgba(19, 28, 46, 0.95)),
                url("/assets/images/backpic/back-2.png") center/cover no-repeat;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 72px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 122, 24, 0.12);
            filter: blur(60px);
        }

        .cta-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 122, 24, 0.15);
            border: 1px solid rgba(255, 122, 24, 0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 24px;
        }

        .cta-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.2;
        }

        .cta-desc {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 560px;
            margin: 0 auto 32px;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid var(--border);
            padding: 72px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 20px;
            padding-bottom: 12px;
            position: relative;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: var(--text-weak);
            transition: var(--transition);
        }

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

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-weak);
        }

        .footer-contact li i {
            color: var(--accent);
            margin-top: 4px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-mute);
        }

        /* ========== Mobile Nav ========== */
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }

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

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

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

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

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

            .topic-side {
                position: static;
            }

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

            .banner-title {
                font-size: 40px;
            }
        }

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

            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(11, 18, 32, 0.98);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px 24px;
                flex-direction: column;
                align-items: stretch;
                max-height: calc(100vh - var(--header-h));
                overflow-y: auto;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                transition: var(--transition);
            }

            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
            }

            .nav-item.active > .nav-link::before {
                display: none;
            }

            .nav-link {
                padding: 14px 16px;
                border-radius: 12px;
                justify-content: space-between;
                font-size: 16px;
            }

            .mega-panel {
                position: static;
                transform: none;
                min-width: auto;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                background: rgba(255, 255, 255, 0.03);
                border: 1px solid var(--border);
                border-radius: 12px;
                padding: 16px;
                margin-top: 6px;
                margin-bottom: 8px;
                display: none;
            }

            .nav-item.has-mega.open .mega-panel {
                display: block;
            }

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

            .mega-card {
                height: 120px;
            }
        }

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

            .section {
                padding: 56px 0;
            }

            .section-header {
                margin-bottom: 36px;
            }

            .section-title {
                font-size: 26px;
            }

            .section-subtitle {
                font-size: 15px;
            }

            .banner-title {
                font-size: 32px;
            }

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

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

            .btn {
                width: 100%;
                max-width: 280px;
            }

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

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

            .gallery-grid {
                gap: 14px;
            }

            .topic-item {
                padding: 16px;
                gap: 12px;
                flex-wrap: wrap;
            }

            .topic-number {
                font-size: 18px;
                min-width: 36px;
            }

            .topic-stats {
                width: 100%;
                text-align: left;
                padding-left: 48px;
            }

            .stat-number {
                font-size: 34px;
            }

            .cta-box {
                padding: 48px 24px;
            }

            .cta-title {
                font-size: 28px;
            }

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

            .page-banner {
                padding: 140px 0 72px;
            }

            .banner-meta {
                gap: 16px;
            }

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

        @media (max-width: 380px) {
            .gallery-grid {
                grid-template-columns: 1fr;
            }

            .logo-text {
                font-size: 17px;
            }
        }

        /* ========== Reveal animation ========== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
:root {
            --primary: #1a1a2e;
            --primary-light: #2d2d44;
            --accent: #e94560;
            --accent-light: #ff6b81;
            --bg: #f5f7fa;
            --bg-dark: #0f1423;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --white: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(15, 20, 35, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 20, 35, 0.16);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1280px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 20, 35, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 8px 30px rgba(0, 0, 0, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent), #ff8a5c);
            border-radius: 12px;
            color: #fff;
            font-size: 20px;
            box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .logo-text span {
            color: var(--accent-light);
            font-weight: 600;
        }
        .main-nav {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 4px;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
            border-radius: 10px;
            transition: var(--transition);
        }
        .nav-link:hover,
        .nav-item.active .nav-link {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-link i {
            font-size: 11px;
            opacity: 0.7;
            margin-top: 2px;
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            min-width: 420px;
            background: #1a1a2e;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
            z-index: 100;
        }
        .nav-item.has-mega:hover .mega-panel,
        .nav-item.has-mega:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        .mega-grid {
            display: flex;
            gap: 24px;
        }
        .mega-col {
            flex: 1;
        }
        .mega-title {
            font-size: 13px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.45);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
        }
        .mega-link {
            display: block;
            padding: 6px 0;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }
        .mega-link:hover {
            color: var(--accent-light);
            transform: translateX(4px);
        }
        .mega-card {
            width: 140px;
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
            cursor: pointer;
        }
        .mega-card img {
            width: 100%;
            height: 100px;
            object-fit: cover;
        }
        .mega-card span {
            display: block;
            padding: 6px 8px;
            background: rgba(15, 20, 35, 0.7);
            color: #fff;
            font-size: 12px;
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            backdrop-filter: blur(4px);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: rgba(255, 255, 255, 0.16);
            color: var(--accent-light);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #ff5e4d);
            color: #fff;
            box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(233, 69, 96, 0.4);
        }
        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-light);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 10px;
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }
        .article-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 64px 0 84px;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.3);
        }
        .article-heading {
            max-width: 900px;
        }
        .article-tags-top {
            margin-bottom: 16px;
        }
        .badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .badge-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
        }
        .article-heading h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .article-meta i {
            color: var(--accent-light);
        }
        .article-notfound-desc {
            margin: 16px 0 24px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 480px;
        }
        .article-body-section {
            padding: 48px 0 40px;
            background: var(--bg);
        }
        .article-body-container {
            max-width: 860px;
        }
        .article-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 48px 52px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #334155;
            word-break: break-word;
        }
        .article-content p {
            margin-bottom: 1.3em;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin: 1.8em 0 0.7em;
            padding-top: 0.4em;
            border-top: 1px solid var(--border);
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 1.5em 0 0.6em;
        }
        .article-content ul,
        .article-content ol {
            padding-left: 1.6em;
            margin-bottom: 1.3em;
        }
        .article-content li {
            margin-bottom: 0.4em;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(233, 69, 96, 0.05);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            margin: 1.5em 0;
            color: #475569;
        }
        .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--accent-light);
        }
        .article-content img {
            border-radius: 14px;
            margin: 1.5em 0;
            box-shadow: var(--shadow);
        }
        .article-content .wp-caption,
        .article-content figure {
            margin: 1.5em 0;
        }
        .article-content .wp-caption-text,
        .article-content figcaption {
            font-size: 13px;
            color: var(--text-light);
            text-align: center;
            padding-top: 8px;
        }
        .article-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .tag {
            display: inline-block;
            padding: 5px 12px;
            background: var(--bg);
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .tag:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-1px);
        }
        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: var(--bg);
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .back-home-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .related-section {
            padding: 56px 0 64px;
            background: var(--bg);
        }
        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
        }
        .section-title .highlight {
            color: var(--accent);
        }
        .section-sub {
            font-size: 14px;
            color: var(--text-light);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(226, 232, 240, 0.6);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(233, 69, 96, 0.2);
        }
        .related-card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .related-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .related-card:hover .related-card-image img {
            transform: scale(1.08);
        }
        .related-card-image .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 11px;
            padding: 4px 10px;
            background: rgba(15, 20, 35, 0.72);
            color: #fff;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.14);
        }
        .related-card-body {
            padding: 18px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 46px;
        }
        .related-card-body h3 a:hover {
            color: var(--accent);
        }
        .related-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            margin-top: auto;
        }
        .related-card-meta i {
            margin-right: 3px;
            font-size: 11px;
        }
        .empty-related {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px;
            background: var(--white);
            border-radius: var(--radius);
            color: var(--text-light);
            font-size: 15px;
            box-shadow: var(--shadow);
        }
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 50%, #2d1f3d 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.10;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .faq-section {
            padding: 64px 0;
            background: var(--white);
        }
        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 22px 28px;
            margin-bottom: 16px;
            transition: var(--transition);
            background: var(--bg);
        }
        .faq-item:hover {
            border-color: rgba(233, 69, 96, 0.3);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
        }
        .faq-question i {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            border-radius: 10px;
            font-size: 13px;
        }
        .faq-answer {
            margin-top: 14px;
            padding-left: 46px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 18px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 12px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-contact {
            list-style: none;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .footer-contact i {
            color: var(--accent-light);
            font-size: 14px;
            width: 20px;
            text-align: center;
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        @media (max-width: 1024px) {
            .header-actions .btn {
                display: none;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .article-heading h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                height: 62px;
            }
            .mobile-toggle {
                display: flex;
                margin-left: auto;
            }
            .main-nav {
                position: fixed;
                top: 62px;
                left: 0;
                right: 0;
                background: var(--bg-dark);
                padding: 16px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
                max-height: calc(100vh - 62px);
                overflow-y: auto;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-link {
                width: 100%;
                padding: 12px 14px;
                color: rgba(255, 255, 255, 0.85);
                justify-content: space-between;
            }
            .mega-panel {
                position: static;
                transform: none;
                min-width: auto;
                width: 100%;
                opacity: 1;
                visibility: visible;
                box-shadow: none;
                margin: 8px 0;
                padding: 12px;
                border-radius: 12px;
                background: rgba(255, 255, 255, 0.04);
                transition: none;
                display: none;
            }
            .nav-item.has-mega.open .mega-panel {
                display: block;
            }
            .mega-grid {
                flex-direction: column;
                gap: 12px;
            }
            .mega-card {
                width: 100%;
                margin-top: 8px;
            }
            .mega-card img {
                height: 80px;
            }
            .article-hero {
                padding: 40px 0 56px;
            }
            .article-heading h1 {
                font-size: 26px;
            }
            .article-card {
                padding: 28px 20px;
                border-radius: 12px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.85;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-title {
                font-size: 26px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .header-actions .search-btn {
                display: none;
            }
            .logo-text {
                font-size: 17px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                justify-content: center;
                width: 100%;
            }
            .faq-question {
                font-size: 15px;
            }
            .faq-answer {
                padding-left: 0;
            }
            .faq-question i {
                width: 28px;
                height: 28px;
                border-radius: 8px;
            }
        }
        @media (min-width: 769px) {
            .main-nav {
                display: flex !important;
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                background: transparent;
                border: none;
                max-height: none;
                overflow: visible;
                padding: 0;
            }
        }