/* roulang page: index */
:root {
            --nav-width: 260px;
            --color-primary: #1e3a5f;
            --color-primary-light: #3b82f6;
            --color-accent: #f59e0b;
            --color-bg: #f8fafc;
            --color-card: #ffffff;
            --color-text: #1e293b;
            --color-text-weak: #64748b;
            --radius: 12px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
            transition: var(--transition);
        }

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

        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--nav-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-brand .logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-brand .logo i {
            color: var(--color-accent);
            font-size: 26px;
        }

        .sidebar-brand .logo-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
            letter-spacing: 2px;
        }

        .sidebar-nav {
            flex: 1;
            padding: 20px 16px;
            overflow-y: auto;
        }

        .sidebar-nav .nav-label {
            font-size: 11px;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 1.5px;
            padding: 12px 12px 6px;
            font-weight: 600;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            transition: var(--transition);
        }

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

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .sidebar-nav a.active {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }

        .sidebar-footer {
            padding: 16px 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

        .main-content {
            flex: 1;
            margin-left: var(--nav-width);
            min-height: 100vh;
        }

        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--color-primary);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .mobile-header .logo-sm {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .logo-sm i {
            color: var(--color-accent);
        }

        .mobile-header .hamburger {
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            padding: 6px 10px;
            border-radius: 8px;
            cursor: pointer;
        }

        .mobile-header .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .overlay.open {
            display: block;
            opacity: 1;
        }

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

        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 58, 95, 0.7) 50%, rgba(15, 23, 42, 0.6) 100%);
            z-index: 1;
        }

        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 40px 24px;
            max-width: 800px;
            width: 100%;
        }

        .hero-section .hero-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.2);
            color: #fcd34d;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 20px;
            border-radius: 50px;
            border: 1px solid rgba(245, 158, 11, 0.3);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero-section h1 {
            font-size: clamp(2.4rem, 6vw, 4rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-section h1 span {
            background: linear-gradient(135deg, #fcd34d, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-section p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 4px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 14px 22px;
            font-size: 15px;
            color: #fff;
            outline: none;
        }

        .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-search button {
            background: var(--color-accent);
            border: none;
            color: #0f172a;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 50px;
            cursor: pointer;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .hero-search button:hover {
            background: #fbbf24;
            transform: scale(1.02);
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .hero-actions .btn-primary {
            background: var(--color-accent);
            color: #0f172a;
            font-weight: 600;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-actions .btn-primary:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35);
        }

        .hero-actions .btn-outline {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-weight: 500;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-actions .btn-outline:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .section-padding {
            padding: 80px 40px;
        }

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

        .section-title h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-title p {
            font-size: 16px;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-title .section-tag {
            display: inline-block;
            background: rgba(59, 130, 246, 0.1);
            color: var(--color-primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(59, 130, 246, 0.15);
        }

        .feature-card .icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 26px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

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

        .category-showcase {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .category-showcase .cat-img {
            height: 220px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .category-showcase .cat-img .cat-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 23, 42, 0.6) 0%, transparent 60%);
        }

        .category-showcase .cat-img .cat-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-accent);
            color: #0f172a;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
        }

        .category-showcase .cat-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-showcase .cat-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-showcase .cat-body p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .category-showcase .cat-body .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-primary-light);
            font-weight: 600;
            font-size: 14px;
        }

        .category-showcase .cat-body .cat-link:hover {
            gap: 14px;
        }

        .game-card {
            background: var(--color-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

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

        .game-card .game-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .game-card .game-img .game-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(15, 23, 42, 0.75);
            color: #fff;
            font-size: 11px;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .game-card .game-body {
            padding: 20px 20px 24px;
        }

        .game-card .game-body h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

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

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

        .news-list {
            max-width: 1100px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            transition: var(--transition);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-item .news-tag {
            flex-shrink: 0;
            background: rgba(59, 130, 246, 0.1);
            color: var(--color-primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            white-space: nowrap;
        }

        .news-item .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-item .news-body h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-text);
            transition: var(--transition);
        }

        .news-item:hover .news-body h4 {
            color: var(--color-primary-light);
        }

        .news-item .news-body p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-item .news-time {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--color-text-weak);
            white-space: nowrap;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }

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

        .stat-item .stat-number {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        .stat-item .stat-icon {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--color-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            position: relative;
            transition: var(--transition);
        }

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

        .step-card .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

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

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

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(0, 0, 0, 0.04);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-item .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }

        .faq-item .faq-question i {
            color: var(--color-primary-light);
            font-size: 18px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }

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

        .cta-section {
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

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

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 24px;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-section .btn-cta {
            background: var(--color-accent);
            color: #0f172a;
            font-weight: 700;
            padding: 16px 48px;
            border-radius: 50px;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .cta-section .btn-cta:hover {
            background: #fbbf24;
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 158, 11, 0.35);
        }

        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 40px 28px;
        }

        .site-footer .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }

        .site-footer .footer-brand h4 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .site-footer .footer-brand h4 i {
            color: var(--color-accent);
        }

        .site-footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .site-footer h5 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-links a {
            display: block;
            padding: 4px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 32px;
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        .bg-stats {
            background: var(--color-primary);
            position: relative;
        }

        .bg-stats::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }

        .bg-stats .section-title h2 {
            color: #fff;
        }

        .bg-stats .section-title p {
            color: rgba(255, 255, 255, 0.7);
        }

        .bg-stats .section-title .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: #fcd34d;
        }

        .bg-light-alt {
            background: #f1f5f9;
        }

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

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .section-padding {
                padding: 48px 20px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 0;
            }
            .news-item .news-time {
                align-self: flex-start;
            }
            .hero-section {
                min-height: 480px;
            }
            .hero-section h1 {
                font-size: clamp(1.8rem, 8vw, 2.6rem);
            }
            .hero-search {
                flex-direction: column;
                border-radius: 16px;
                background: rgba(255, 255, 255, 0.1);
                padding: 8px;
            }
            .hero-search input {
                text-align: center;
                padding: 12px 16px;
            }
            .hero-search button {
                border-radius: 12px;
                justify-content: center;
                padding: 12px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                padding: 12px 28px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-showcase .cat-img {
                height: 180px;
            }
            .game-card .game-img {
                height: 160px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .step-card {
                padding: 24px 16px;
            }
            .faq-item .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 14px;
            }
            .cta-section .cta-content {
                padding: 56px 20px;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: clamp(1.4rem, 5vw, 1.8rem);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.6rem;
            }
            .hero-section {
                min-height: 400px;
            }
            .hero-section .hero-content {
                padding: 24px 16px;
            }
            .section-padding {
                padding: 36px 16px;
            }
            .mobile-header {
                padding: 10px 16px;
            }
            .site-footer {
                padding: 28px 16px 20px;
            }
        }

        .empty-news {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-weak);
            font-size: 15px;
            background: rgba(0, 0, 0, 0.02);
            border-radius: var(--radius);
            border: 1px dashed rgba(0, 0, 0, 0.1);
        }

        .empty-news i {
            font-size: 36px;
            color: rgba(0, 0, 0, 0.15);
            display: block;
            margin-bottom: 12px;
        }

/* roulang page: article */
:root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg-dark: #0f0e17;
            --bg-card: #1a1a2e;
            --bg-sidebar: #12101e;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --text-light: #cbd5e1;
            --border-color: #2d2a44;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-hover: 0 16px 48px rgba(124, 58, 237, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button, input, textarea {
            font-family: inherit;
        }

        /* ===== 左侧导航 (App Shell) ===== */
        .app-sidebar {
            width: 240px;
            min-height: 100vh;
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            position: fixed;
            top: 0;
            left: 0;
            z-index: 50;
            padding: 24px 16px;
            transition: var(--transition);
            overflow-y: auto;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }
        .sidebar-logo i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .sidebar-logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-muted);
            margin-bottom: 10px;
            padding-left: 12px;
        }

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

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .sidebar-nav a:hover {
            background: rgba(124, 58, 237, 0.12);
            color: #fff;
        }
        .sidebar-nav a:hover i {
            color: var(--primary-light);
        }
        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(245, 158, 11, 0.08));
            color: #fff;
            border: 1px solid rgba(124, 58, 237, 0.25);
        }
        .sidebar-nav a.active i {
            color: var(--accent);
        }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 8px;
            width: 3px;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
        }

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

        .main-content {
            flex: 1;
            padding: 40px 48px 60px;
            max-width: 1100px;
            width: 100%;
        }

        /* ===== 文章页专用 ===== */
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--text-muted);
        }
        .article-breadcrumb a:hover {
            color: var(--primary-light);
        }
        .article-breadcrumb .sep {
            color: var(--border-color);
        }
        .article-breadcrumb .current {
            color: var(--text-light);
        }

        .article-header {
            margin-bottom: 36px;
        }
        .article-header h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta .badge {
            background: rgba(124, 58, 237, 0.2);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid rgba(124, 58, 237, 0.2);
        }
        .article-meta i {
            margin-right: 6px;
            color: var(--text-muted);
        }

        .article-cover {
            margin-bottom: 36px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16 / 7;
            background: var(--bg-card);
            position: relative;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-cover .cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            pointer-events: none;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-light);
            background: var(--bg-card);
            padding: 36px 40px;
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            padding-bottom: 0.3em;
            border-bottom: 1px solid var(--border-color);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-light);
            margin-top: 1.4em;
            margin-bottom: 0.4em;
        }
        .article-body ul, .article-body ol {
            padding-left: 1.6em;
            margin-bottom: 1.2em;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.2em 0;
            background: rgba(245, 158, 11, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body a {
            color: var(--accent-light);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--accent);
        }
        .article-body img {
            margin: 1.6em auto;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-card);
        }
        .article-body code {
            background: rgba(124, 58, 237, 0.12);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-light);
        }
        .article-body pre {
            background: #0a0a14;
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            border: 1px solid var(--border-color);
            margin: 1.2em 0;
        }
        .article-body pre code {
            background: none;
            padding: 0;
            color: var(--text-light);
        }

        .article-footer-nav {
            margin-top: 48px;
            padding-top: 28px;
            border-top: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-footer-nav a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .article-footer-nav a:hover {
            border-color: var(--primary);
            background: rgba(124, 58, 237, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }
        .article-footer-nav .back-home {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(245, 158, 11, 0.06));
            border-color: rgba(124, 58, 237, 0.2);
            color: var(--primary-light);
        }
        .article-footer-nav .back-home:hover {
            border-color: var(--primary);
            background: rgba(124, 58, 237, 0.2);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-sidebar);
            border-top: 1px solid var(--border-color);
            padding: 40px 48px 24px;
            margin-top: auto;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .footer-brand h4 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand h4 i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-inner h5 {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .main-content {
                padding: 30px 28px 50px;
            }
            .article-body {
                padding: 28px 24px;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .site-footer {
                padding: 32px 28px 20px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .app-sidebar {
                width: 100%;
                min-height: auto;
                position: relative;
                flex-direction: row;
                flex-wrap: wrap;
                padding: 12px 16px;
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                align-items: center;
            }
            .sidebar-logo {
                padding-bottom: 0;
                border-bottom: none;
                margin-bottom: 0;
                font-size: 1.2rem;
                flex: 1;
            }
            .nav-label {
                display: none;
            }
            .sidebar-nav {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 6px;
                width: 100%;
                margin-top: 10px;
                padding-top: 10px;
                border-top: 1px solid var(--border-color);
            }
            .sidebar-nav a {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .sidebar-nav a i {
                font-size: 0.85rem;
            }
            .sidebar-nav a.active::before {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .main-content {
                padding: 24px 16px 40px;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 10px 18px;
                font-size: 0.8rem;
            }
            .article-cover {
                aspect-ratio: 16 / 10;
            }
            .article-body {
                padding: 20px 16px;
                font-size: 0.95rem;
            }
            .article-footer-nav {
                flex-direction: column;
                align-items: stretch;
            }
            .article-footer-nav a {
                justify-content: center;
            }
            .site-footer {
                padding: 28px 16px 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .sidebar-nav a {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .sidebar-nav a i {
                display: none;
            }
            .main-content {
                padding: 18px 12px 32px;
            }
            .article-header h1 {
                font-size: 1.25rem;
            }
            .article-body {
                padding: 16px 12px;
                font-size: 0.9rem;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== 动画 ===== */
        .fade-in {
            animation: fadeIn 0.5s ease forwards;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(12px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ===== 文章未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box a {
            display: inline-block;
            padding: 10px 28px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }
        .not-found-box a:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
        }

/* roulang page: category1 */
:root {
            --brand-500: #0c8ee6;
            --brand-600: #0070c4;
            --brand-700: #01599f;
            --accent-500: #d946ef;
            --accent-600: #c026d3;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: #f8fafc;
            color: #0f172a;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        /* Left Sidebar */
        .app-shell {
            display: flex;
            min-height: 100vh;
            width: 100%;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: #ffffff;
            border-right: 1px solid #e2e8f0;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.04);
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: 0;
            transition: var(--transition);
        }

        .sidebar-brand {
            padding: 1.5rem 1.25rem 1rem;
            border-bottom: 1px solid #f1f5f9;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .sidebar-brand .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #0c8ee6, #d946ef);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(12, 142, 230, 0.25);
        }

        .sidebar-brand .logo-text {
            font-size: 1.1rem;
            font-weight: 700;
            color: #0f172a;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .sidebar-brand .logo-text span {
            color: var(--brand-500);
        }

        .sidebar-nav {
            flex: 1;
            padding: 1.25rem 0.75rem;
            overflow-y: auto;
        }

        .sidebar-nav .nav-label {
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: #94a3b8;
            padding: 0 0.75rem;
            margin-bottom: 0.75rem;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.7rem 0.75rem;
            border-radius: 10px;
            color: #475569;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 2px;
            position: relative;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
            color: #94a3b8;
            transition: var(--transition);
        }

        .sidebar-nav a:hover {
            background: #f1f5f9;
            color: #0c8ee6;
        }

        .sidebar-nav a:hover i {
            color: #0c8ee6;
        }

        .sidebar-nav a.active {
            background: linear-gradient(135deg, #eff6ff, #f0f0ff);
            color: #0c8ee6;
            font-weight: 600;
            box-shadow: inset 3px 0 0 #0c8ee6;
        }

        .sidebar-nav a.active i {
            color: #0c8ee6;
        }

        .sidebar-nav a .badge-nav {
            margin-left: auto;
            background: #f1f5f9;
            color: #64748b;
            font-size: 0.65rem;
            padding: 0.15rem 0.5rem;
            border-radius: 20px;
            font-weight: 500;
        }

        .sidebar-nav a.active .badge-nav {
            background: #dbeafe;
            color: #0c8ee6;
        }

        /* Main Content */
        .main-content {
            margin-left: 240px;
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* Page Header / Banner */
        .page-banner {
            position: relative;
            padding: 3rem 2rem 2.5rem;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(12, 142, 230, 0.15), transparent 70%);
            pointer-events: none;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 1100px;
            margin: 0 auto;
        }

        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: #94a3b8;
            margin-bottom: 1.25rem;
        }

        .page-banner .breadcrumb a {
            color: #94a3b8;
            transition: var(--transition);
        }

        .page-banner .breadcrumb a:hover {
            color: #60a5fa;
        }

        .page-banner .breadcrumb .sep {
            color: #475569;
        }

        .page-banner .breadcrumb .current {
            color: #60a5fa;
        }

        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }

        .page-banner h1 i {
            color: #d946ef;
            margin-right: 0.5rem;
        }

        .page-banner p {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 680px;
            line-height: 1.7;
        }

        .page-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }

        .page-banner .banner-tags .tag {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0.3rem 0.9rem;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #e2e8f0;
            transition: var(--transition);
        }

        .page-banner .banner-tags .tag:hover {
            background: rgba(12, 142, 230, 0.2);
            border-color: rgba(12, 142, 230, 0.3);
        }

        /* Container */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Section spacing */
        .section-block {
            padding: 3.5rem 0;
        }

        .section-block+.section-block {
            border-top: 1px solid #e2e8f0;
        }

        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.5rem;
            letter-spacing: -0.3px;
        }

        .section-sub {
            font-size: 0.95rem;
            color: #64748b;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        /* Guide Grid */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .guide-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid #f1f5f9;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #e2e8f0;
        }

        .guide-card .card-img {
            position: relative;
            width: 100%;
            height: 180px;
            overflow: hidden;
            background: #f1f5f9;
        }

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

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

        .guide-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .guide-card .card-img .card-diff {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(12, 142, 230, 0.85);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 0.65rem;
            font-weight: 600;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .guide-card .card-img .card-diff i {
            font-size: 0.55rem;
        }

        .guide-card .card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.5rem;
            line-height: 1.4;
            transition: var(--transition);
        }

        .guide-card:hover .card-body h3 {
            color: #0c8ee6;
        }

        .guide-card .card-body p {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }

        .guide-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.75rem;
            color: #94a3b8;
            border-top: 1px solid #f1f5f9;
            padding-top: 0.75rem;
            margin-top: auto;
        }

        .guide-card .card-body .card-meta i {
            margin-right: 0.3rem;
        }

        .guide-card .card-body .card-meta .views {
            margin-left: auto;
        }

        /* Featured Guide (large) */
        .featured-guide {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border: 1px solid #f1f5f9;
            margin-bottom: 2rem;
        }

        .featured-guide .fg-img {
            height: 100%;
            min-height: 300px;
            overflow: hidden;
            background: #e2e8f0;
        }

        .featured-guide .fg-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .featured-guide:hover .fg-img img {
            transform: scale(1.03);
        }

        .featured-guide .fg-body {
            padding: 2rem 2rem 2rem 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-guide .fg-body .fg-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: linear-gradient(135deg, #d946ef, #a21caf);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.9rem;
            border-radius: 20px;
            margin-bottom: 1rem;
            width: fit-content;
        }

        .featured-guide .fg-body h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }

        .featured-guide .fg-body p {
            font-size: 0.92rem;
            color: #64748b;
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .featured-guide .fg-body .btn-guide {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: #0c8ee6;
            color: #fff;
            padding: 0.6rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            width: fit-content;
            border: none;
            cursor: pointer;
        }

        .featured-guide .fg-body .btn-guide:hover {
            background: #0070c4;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(12, 142, 230, 0.3);
        }

        /* Category Tags */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 0.5rem;
        }

        .tags-cloud .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #ffffff;
            border: 1px solid #e2e8f0;
            padding: 0.4rem 1.1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #475569;
            transition: var(--transition);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
        }

        .tags-cloud .tag-item i {
            font-size: 0.75rem;
            color: #94a3b8;
            transition: var(--transition);
        }

        .tags-cloud .tag-item:hover {
            background: #0c8ee6;
            border-color: #0c8ee6;
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(12, 142, 230, 0.2);
        }

        .tags-cloud .tag-item:hover i {
            color: #fff;
        }

        .tags-cloud .tag-item.hot {
            border-color: #facc15;
            background: #fffef5;
        }

        .tags-cloud .tag-item.hot i {
            color: #facc15;
        }

        .tags-cloud .tag-item.hot:hover {
            background: #facc15;
            border-color: #facc15;
            color: #0f172a;
        }

        .tags-cloud .tag-item.hot:hover i {
            color: #0f172a;
        }

        /* Process / Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }

        .step-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid #f1f5f9;
            transition: var(--transition);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .step-card .step-num {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #eff6ff, #f0f0ff);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #0c8ee6;
            margin: 0 auto 1rem;
            transition: var(--transition);
        }

        .step-card:hover .step-num {
            background: linear-gradient(135deg, #0c8ee6, #d946ef);
            color: #fff;
            box-shadow: 0 4px 16px rgba(12, 142, 230, 0.25);
        }

        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 0.5rem;
        }

        .step-card p {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 0.75rem;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .faq-item .faq-q {
            padding: 1rem 1.25rem;
            font-weight: 600;
            color: #0f172a;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            transition: var(--transition);
            user-select: none;
        }

        .faq-item .faq-q i {
            color: #0c8ee6;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .faq-item .faq-q .arrow {
            margin-left: auto;
            color: #94a3b8;
            font-size: 0.75rem;
            transition: var(--transition);
        }

        .faq-item .faq-a {
            padding: 0 1.25rem 1rem;
            font-size: 0.88rem;
            color: #64748b;
            line-height: 1.7;
            display: none;
        }

        .faq-item .faq-a.show {
            display: block;
        }

        .faq-item.active .faq-q .arrow {
            transform: rotate(180deg);
            color: #0c8ee6;
        }

        .faq-item.active .faq-q {
            color: #0c8ee6;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 3rem;
            position: relative;
            overflow: hidden;
            margin: 1rem 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            font-size: 1rem;
            color: #cbd5e1;
            max-width: 540px;
            margin: 0 auto 1.5rem;
        }

        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: linear-gradient(135deg, #d946ef, #a21caf);
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(217, 70, 239, 0.3);
        }

        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(217, 70, 239, 0.4);
        }

        .cta-section .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: transparent;
            color: #e2e8f0;
            border: 2px solid rgba(255, 255, 255, 0.2);
            padding: 0.7rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            margin-left: 0.75rem;
        }

        .cta-section .btn-cta-outline:hover {
            border-color: #d946ef;
            color: #fff;
            background: rgba(217, 70, 239, 0.1);
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 2rem 1.5rem;
            margin-top: auto;
        }

        .site-footer .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .site-footer .footer-brand h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .site-footer .footer-brand h4 i {
            color: #d946ef;
        }

        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.7;
            max-width: 380px;
        }

        .site-footer h5 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #f1f5f9;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .site-footer .footer-links a {
            font-size: 0.85rem;
            color: #94a3b8;
            transition: var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: #60a5fa;
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            max-width: 1100px;
            margin: 0 auto;
            padding-top: 1.5rem;
            border-top: 1px solid #1e293b;
            font-size: 0.8rem;
            color: #64748b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .site-footer .footer-bottom a {
            color: #94a3b8;
        }

        .site-footer .footer-bottom a:hover {
            color: #60a5fa;
        }

        /* Mobile Menu Toggle (hidden on desktop) */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 1rem;
            left: 1rem;
            z-index: 200;
            background: #ffffff;
            border: 1px solid #e2e8f0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #0f172a;
            cursor: pointer;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: #f1f5f9;
        }

        /* Overlay for mobile */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 99;
            backdrop-filter: blur(2px);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .featured-guide {
                grid-template-columns: 1fr;
            }

            .featured-guide .fg-body {
                padding: 1.5rem 2rem;
            }

            .featured-guide .fg-img {
                min-height: 220px;
            }

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

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: 4px 0 30px rgba(0, 0, 0, 0.15);
            }

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

            .mobile-toggle {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                padding-top: 0;
            }

            .page-banner {
                padding: 2rem 1.25rem 1.75rem;
            }

            .page-banner h1 {
                font-size: 1.6rem;
            }

            .page-banner p {
                font-size: 0.9rem;
            }

            .content-container {
                padding: 0 1.25rem;
            }

            .section-block {
                padding: 2.5rem 0;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

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

            .cta-section {
                padding: 2rem 1.5rem;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .cta-section .btn-cta-outline {
                margin-left: 0;
                margin-top: 0.75rem;
            }

            .site-footer {
                padding: 2rem 1.25rem 1rem;
            }

            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

            .tags-cloud .tag-item {
                font-size: 0.8rem;
                padding: 0.3rem 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.3rem;
            }

            .page-banner .banner-tags .tag {
                font-size: 0.7rem;
                padding: 0.2rem 0.7rem;
            }

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

            .featured-guide .fg-body h2 {
                font-size: 1.2rem;
            }

            .guide-card .card-img {
                height: 150px;
            }

            .cta-section .btn-cta,
            .cta-section .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }

            .faq-item .faq-q {
                font-size: 0.88rem;
                padding: 0.85rem 1rem;
            }

            .faq-item .faq-a {
                font-size: 0.82rem;
                padding: 0 1rem 0.85rem;
            }
        }

        @media (min-width: 769px) {
            .sidebar-overlay {
                display: none !important;
            }
        }

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

        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
        }