/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --bg: #f1f5f9;
            --card: #ffffff;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
            --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
            --transition: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        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: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: none;
        }
        button,
        input {
            font-family: inherit;
        }

        .app-shell {
            min-height: 100vh;
        }
        .sidebar {
            width: 264px;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            background: linear-gradient(180deg, #0f172a 0%, #1e1b4b 100%);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 28px 22px 24px;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.04);
            transition: transform 0.3s ease;
        }
        .sidebar-header {
            margin-bottom: 38px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 14px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent) 0%, #f97316 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-size: 20px;
            flex-shrink: 0;
            box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
        }
        .brand-name {
            display: block;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .brand-sub {
            display: block;
            color: rgba(255, 255, 255, 0.45);
            font-size: 10px;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-top: 2px;
        }
        .sidebar-close {
            display: none;
            position: absolute;
            top: 18px;
            right: 18px;
            background: rgba(255, 255, 255, 0.08);
            border: none;
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .sidebar-close:hover {
            background: rgba(255, 255, 255, 0.16);
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .sidebar-label {
            color: rgba(255, 255, 255, 0.35);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            padding: 0 14px;
            margin-bottom: 6px;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14.5px;
            font-weight: 500;
            position: relative;
            transition: var(--transition);
        }
        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        .nav-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            border-radius: 4px;
            background: var(--accent);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .sidebar-footer {
            margin-top: 32px;
            padding: 18px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }
        .sidebar-footer p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .sidebar-footer .btn {
            width: 100%;
            padding: 9px 12px;
            font-size: 13px;
            border-radius: 10px;
            background: var(--accent);
            border: none;
            color: var(--dark);
            font-weight: 600;
            transition: var(--transition);
        }
        .sidebar-footer .btn:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
        }

        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1030;
            background: #0f172a;
            padding: 14px 18px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .mobile-brand {
            color: #fff;
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .menu-toggle {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1035;
            opacity: 0;
            transition: opacity 0.3s ease;
            pointer-events: none;
        }
        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .main-content {
            margin-left: 264px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            width: calc(100% - 264px);
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        .section {
            padding: 84px 0;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 40px;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--muted);
            font-size: 16px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 27, 75, 0.82) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 120px 0 90px;
            color: #fff;
            border-radius: 0 0 32px 32px;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            max-width: 760px;
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 34px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            background: var(--accent);
            border: none;
            color: var(--dark);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 12px;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
        }
        .btn-hero-primary:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(245, 158, 11, 0.4);
            color: var(--dark);
        }
        .btn-hero-primary:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 3px;
        }
        .btn-hero-ghost {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 12px;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }
        .btn-hero-ghost:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-hero-ghost:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.4);
            outline-offset: 3px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 60px;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
        }
        .stat-num {
            font-size: 32px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 1px;
        }

        .features-section {
            padding-top: 90px;
        }
        .feature-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 32px 28px;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card:hover::after {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(37, 99, 235, 0.04) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .category-section {
            background: #fff;
            padding: 84px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .category-card {
            display: block;
            background: var(--card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .category-img {
            height: 180px;
            overflow: hidden;
        }
        .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-img img {
            transform: scale(1.08);
        }
        .category-body {
            padding: 24px 24px 26px;
        }
        .category-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .category-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }
        .category-link i {
            transition: transform 0.3s ease;
        }
        .category-card:hover .category-link i {
            transform: translateX(4px);
        }

        .posts-section {
            padding: 84px 0;
        }
        .post-card {
            display: block;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px 28px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.25);
        }
        .post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            gap: 10px;
            flex-wrap: wrap;
        }
        .post-category {
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .post-time {
            color: var(--muted);
            font-size: 13px;
        }
        .post-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card:hover .post-title {
            color: var(--primary);
        }
        .post-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .post-link i {
            transition: transform 0.3s ease;
        }
        .post-card:hover .post-link i {
            transform: translateX(4px);
        }
        .empty-tip {
            text-align: center;
            color: var(--muted);
            font-size: 16px;
            padding: 60px 0;
            background: var(--card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        .process-section {
            background: linear-gradient(180deg, var(--bg) 0%, #eef2ff 100%);
            padding: 84px 0;
        }
        .process-step {
            text-align: center;
            padding: 36px 28px;
            position: relative;
        }
        .step-num {
            width: 72px;
            height: 72px;
            border-radius: 24px;
            background: var(--card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 900;
            color: var(--primary);
            margin: 0 auto 22px;
            transition: var(--transition);
        }
        .process-step:hover .step-num {
            background: var(--primary);
            color: #fff;
            transform: translateY(-6px);
        }
        .process-step h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .process-step p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 240px;
            margin: 0 auto;
        }
        .arrow-between {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 24px;
            padding-top: 0;
        }

        .faq-section {
            background: #fff;
            padding: 84px 0;
            border-top: 1px solid var(--border);
        }
        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            background: var(--card);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }
        .accordion-item:hover {
            border-color: rgba(37, 99, 235, 0.3);
        }
        .accordion-button {
            background: #fff;
            color: var(--text);
            font-weight: 600;
            font-size: 15px;
            padding: 20px 24px;
            border-radius: var(--radius-sm) !important;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            background: #fff;
            color: var(--primary);
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(37, 99, 235, 0.3);
            outline-offset: -2px;
        }
        .accordion-button::after {
            background-size: 14px;
            filter: grayscale(0.2);
        }
        .accordion-body {
            padding: 4px 24px 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .cta-section {
            padding: 84px 0;
        }
        .cta-box {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 60%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(245, 158, 11, 0.12);
            border-radius: 50%;
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
            z-index: 2;
        }
        .btn-cta {
            background: var(--accent);
            border: none;
            color: var(--dark);
            font-weight: 700;
            font-size: 15px;
            padding: 14px 38px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
            position: relative;
            z-index: 2;
        }
        .btn-cta:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(245, 158, 11, 0.4);
            color: var(--dark);
        }

        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .footer-logo {
            display: inline-block;
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        @media (max-width: 1199px) {
            .hero h1 {
                font-size: 44px;
            }
        }
        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                padding-top: 20px;
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-close {
                display: flex;
            }
            .mobile-topbar {
                display: flex;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .main-content {
                margin-left: 0;
                width: 100%;
            }
            .hero {
                padding: 90px 0 70px;
                border-radius: 0;
            }
            .hero h1 {
                font-size: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section {
                padding: 60px 0;
            }
            .category-section,
            .faq-section,
            .process-section {
                padding: 60px 0;
            }
        }
        @media (max-width: 768px) {
            .hero {
                padding: 70px 0 56px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 40px;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-box {
                padding: 44px 24px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 6px 14px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero-primary,
            .btn-hero-ghost {
                justify-content: center;
            }
            .hero-stats {
                gap: 18px;
            }
            .stat-num {
                font-size: 26px;
            }
            .section-title {
                font-size: 23px;
            }
            .post-card {
                padding: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #ffe600;
            --primary-dark: #e6c200;
            --accent: #ff7a00;
            --dark-bg: #0b0f1a;
            --dark-bg-2: #111827;
            --panel-bg: #ffffff;
            --page-bg: #f4f6fb;
            --text-main: #1b2233;
            --text-weak: #657089;
            --text-invert: #f5f7ff;
            --border: #e3e8f2;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 14px rgba(20, 30, 60, .06);
            --shadow-md: 0 12px 32px rgba(20, 30, 60, .10);
            --shadow-lg: 0 20px 50px rgba(20, 30, 60, .14);
            --sidebar-w: 280px;
            --transition: .25s ease;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--page-bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
        p {
            margin-bottom: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Sidebar Layout ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-w);
            height: 100vh;
            background: var(--dark-bg);
            z-index: 1080;
            display: flex;
            flex-direction: column;
            padding: 28px 20px;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, .06);
            transition: transform .35s ease;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            margin-bottom: 20px;
        }
        .sidebar-brand .logo-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #0b0f1a;
            flex-shrink: 0;
            box-shadow: 0 6px 18px rgba(255, 230, 0, .25);
        }
        .sidebar-brand .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: .5px;
        }
        .sidebar-brand .logo-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
            margin-top: 2px;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .sidebar-nav .nav-label {
            font-size: 12px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: rgba(255, 255, 255, .35);
            padding: 8px 12px 6px;
            font-weight: 600;
        }
        .sidebar-nav a.nav-link-side {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            font-weight: 500;
            transition: background .2s, color .2s, transform .2s;
        }
        .sidebar-nav a.nav-link-side i {
            width: 22px;
            text-align: center;
            font-size: 17px;
            color: rgba(255, 255, 255, .5);
            transition: color .2s;
        }
        .sidebar-nav a.nav-link-side:hover {
            background: rgba(255, 255, 255, .06);
            color: #fff;
            transform: translateX(3px);
        }
        .sidebar-nav a.nav-link-side.active {
            background: linear-gradient(135deg, var(--primary), #fff2a0);
            color: #111827;
            box-shadow: 0 8px 24px rgba(255, 230, 0, .18);
        }
        .sidebar-nav a.nav-link-side.active i {
            color: #111827;
        }
        .sidebar-help {
            margin-top: 20px;
            padding: 18px 14px;
            background: rgba(255, 255, 255, .04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, .06);
            text-align: center;
        }
        .sidebar-help p {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
        }
        .sidebar-help .btn-help {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 50px;
            background: var(--primary);
            color: #111827;
            font-size: 13px;
            font-weight: 600;
            border: none;
            transition: transform .2s, box-shadow .2s;
        }
        .sidebar-help .btn-help:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 230, 0, .25);
            color: #111827;
        }

        .main-wrapper {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--page-bg);
        }

        /* ===== Mobile Topbar ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1070;
            background: var(--dark-bg);
            padding: 14px 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .15);
        }
        .mobile-topbar .mobile-brand {
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-topbar .mobile-brand i {
            color: var(--primary);
            font-size: 20px;
        }
        .mobile-topbar .menu-toggle {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .15);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background .2s;
        }
        .mobile-topbar .menu-toggle:hover {
            background: rgba(255, 255, 255, .1);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .5);
            z-index: 1079;
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #0b0f1a 0%, #1a2335 60%, #2a3448 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 72px 0 64px;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 15, 26, .92) 0%, rgba(11, 15, 26, .65) 55%, rgba(11, 15, 26, .35) 100%);
        }
        .page-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 230, 0, .12);
            border: 1px solid rgba(255, 230, 0, .3);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .banner-tag i {
            font-size: 14px;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .page-banner h1 span {
            color: var(--primary);
        }
        .page-banner .banner-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .75);
            max-width: 640px;
            margin-bottom: 28px;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, .7);
        }
        .banner-breadcrumb a:hover {
            color: var(--primary);
        }
        .banner-breadcrumb .sep {
            opacity: .5;
            font-size: 12px;
        }
        .banner-stats {
            display: flex;
            gap: 40px;
            margin-top: 32px;
        }
        .banner-stats .stat-item .num {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
        }
        .banner-stats .stat-item .num i {
            color: var(--primary);
            font-size: 22px;
            margin-right: 4px;
        }
        .banner-stats .stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
        }

        /* ===== Section Base ===== */
        .section-block {
            padding: 70px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-head .sec-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-dark);
            background: rgba(255, 230, 0, .18);
            border: 1px solid rgba(230, 194, 0, .25);
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
            letter-spacing: .5px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .section-head .sec-sub {
            font-size: 15px;
            color: var(--text-weak);
        }
        .section-head .sec-more {
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--text-weak);
            transition: color .2s, gap .2s;
        }
        .section-head .sec-more:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== News Card ===== */
        .news-card {
            background: var(--panel-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform .3s, box-shadow .3s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .news-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .news-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .news-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .news-card .card-img-wrap .badge-date {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 15, 26, .72);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card .card-body-custom {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-cat {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-dark);
            background: rgba(255, 230, 0, .14);
            border-radius: 6px;
            padding: 4px 10px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
        }
        .news-card h3 a:hover {
            color: var(--primary-dark);
        }
        .news-card .card-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .news-card .card-meta i {
            font-size: 12px;
            margin-right: 5px;
            color: var(--accent);
        }

        /* ===== Topic Card ===== */
        .topic-card {
            background: var(--panel-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 26px 24px;
            text-align: center;
            transition: transform .3s, box-shadow .3s;
            height: 100%;
            display: block;
            box-shadow: var(--shadow-sm);
        }
        .topic-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .topic-card .topic-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, rgba(255, 230, 0, .2), rgba(255, 122, 0, .12));
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-dark);
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .topic-card p {
            font-size: 13.5px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ===== Hot List ===== */
        .hot-panel {
            background: var(--dark-bg);
            border-radius: var(--radius-lg);
            padding: 48px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .hot-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 15, 26, .95) 40%, rgba(11, 15, 26, .75) 100%);
        }
        .hot-panel .container-custom {
            position: relative;
            z-index: 2;
        }
        .hot-panel .section-head h2 {
            color: #fff;
        }
        .hot-panel .section-head .sec-sub {
            color: rgba(255, 255, 255, .55);
        }
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hot-item {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 16px;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: background .25s, transform .25s;
            cursor: default;
        }
        .hot-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateX(8px);
        }
        .hot-item .hot-num {
            font-size: 24px;
            font-weight: 800;
            color: rgba(255, 255, 255, .25);
            min-width: 46px;
            letter-spacing: -1px;
        }
        .hot-item .hot-num.hot-top {
            color: var(--primary);
        }
        .hot-item .hot-content {
            flex: 1;
        }
        .hot-item .hot-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .hot-item .hot-content p {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .hot-item .hot-arrow {
            color: rgba(255, 255, 255, .3);
            font-size: 18px;
            transition: color .2s, transform .2s;
        }
        .hot-item:hover .hot-arrow {
            color: var(--primary);
            transform: translateX(4px);
        }

        /* ===== CTA Panel ===== */
        .cta-panel {
            background: linear-gradient(135deg, #ffe600 0%, #ffb300 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            box-shadow: 0 20px 50px rgba(255, 179, 0, .25);
        }
        .cta-panel .cta-text h3 {
            font-size: 26px;
            font-weight: 800;
            color: #111827;
            margin-bottom: 8px;
        }
        .cta-panel .cta-text p {
            font-size: 15px;
            color: rgba(17, 24, 39, .7);
            max-width: 460px;
        }
        .cta-panel .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #111827;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 10px 25px rgba(17, 24, 39, .2);
            transition: transform .2s, box-shadow .2s;
        }
        .cta-panel .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(17, 24, 39, .3);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-wrap .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            background: var(--panel-bg);
        }
        .faq-wrap .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--panel-bg);
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: rgba(255, 230, 0, .06);
            color: var(--primary-dark);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-wrap .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23111827'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-wrap .accordion-body {
            padding: 6px 22px 20px;
            color: var(--text-weak);
            font-size: 14.5px;
            line-height: 1.75;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, .65);
            padding: 56px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, .06);
            margin-top: auto;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer .footer-logo i {
            color: var(--primary);
            font-size: 22px;
        }
        .footer .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .5);
            max-width: 300px;
        }
        .footer .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color .2s, padding-left .2s;
        }
        .footer .footer-col ul li a i {
            font-size: 11px;
            color: var(--primary);
        }
        .footer .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: 8px 0 30px rgba(0, 0, 0, .3);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-topbar {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .page-banner {
                padding: 50px 0;
            }
            .page-banner h1 {
                font-size: 34px;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .page-banner {
                padding: 42px 0;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .banner-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
            .banner-stats .stat-item .num {
                font-size: 22px;
            }
            .hot-panel {
                padding: 28px 20px;
            }
            .hot-item {
                padding: 14px 16px;
                gap: 12px;
                flex-wrap: wrap;
            }
            .cta-panel {
                padding: 30px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-panel .btn-cta {
                width: 100%;
                justify-content: center;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 18px;
            }
            .section-block {
                padding: 40px 0;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .page-banner .banner-desc {
                font-size: 15px;
            }
            .banner-stats {
                flex-direction: column;
                gap: 14px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-card h3 {
                font-size: 16px;
            }
            .hot-item .hot-num {
                font-size: 18px;
                min-width: 30px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --primary: #0f2a4a;
            --primary-dark: #091c33;
            --primary-light: #1b3a66;
            --accent: #f0a500;
            --accent-hover: #d49400;
            --body-bg: #f5f7fa;
            --white: #ffffff;
            --text: #2d3340;
            --text-muted: #7a8494;
            --border: #e8ecf1;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 42, 74, 0.06);
            --shadow: 0 6px 24px rgba(15, 42, 74, 0.08);
            --shadow-lg: 0 14px 40px rgba(15, 42, 74, 0.12);
            --sidebar-width: 252px;
            --transition: all 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background: var(--body-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        .container {
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .btn {
            border-radius: 10px;
            font-weight: 600;
            padding: 10px 24px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn:focus {
            box-shadow: 0 0 0 0.2rem rgba(240, 165, 0, 0.25);
        }
        .btn-primary {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
        }
        .btn-primary:hover,
        .btn-primary:active,
        .btn-primary:focus {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 165, 0, 0.3);
        }
        .btn-outline-primary {
            border-color: #c9d2df;
            color: var(--primary);
            background: transparent;
        }
        .btn-outline-primary:hover,
        .btn-outline-primary:active,
        .btn-outline-primary:focus {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-block;
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            background: rgba(240, 165, 0, 0.14);
            color: var(--accent-hover);
            line-height: 1.4;
        }
        /* ===== Sidebar ===== */
        .mobile-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--primary-dark);
            z-index: 1050;
            display: none;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-brand {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .mobile-brand:hover {
            color: var(--accent);
        }
        .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px 12px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: #0f1f3a;
            z-index: 1040;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.15);
        }
        .sidebar-inner {
            display: flex;
            flex-direction: column;
            height: 100%;
            padding: 0 0 18px;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 30px 26px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 18px;
        }
        .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 13px;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 23px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            letter-spacing: 0.4px;
        }
        .sidebar-nav {
            flex: 1;
            padding: 10px 16px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 13px 18px;
            margin-bottom: 7px;
            border-radius: 13px;
            color: rgba(255, 255, 255, 0.68);
            font-weight: 500;
            font-size: 14.5px;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .nav-item:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #fff;
            transform: translateX(2px);
        }
        .nav-item.active {
            background: rgba(240, 165, 0, 0.12);
            color: var(--accent);
            border-left-color: var(--accent);
            font-weight: 600;
        }
        .sidebar-help {
            padding: 18px 20px;
        }
        .sidebar-help .help-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 20px 16px;
            text-align: center;
        }
        .sidebar-help .help-card i {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .sidebar-help .help-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            margin-bottom: 12px;
        }
        .sidebar-help .btn-warning {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            border-radius: 10px;
            padding: 7px 18px;
            font-size: 13px;
        }
        .sidebar-help .btn-warning:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
        }
        .sidebar-overlay {
            position: fixed;
            inset: 0;
            background: rgba(9, 28, 51, 0.55);
            z-index: 1030;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }
        .sidebar-overlay.show {
            opacity: 1;
            visibility: visible;
        }
        /* ===== Main ===== */
        .app-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .page-hero {
            position: relative;
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            padding: 78px 0 68px;
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(9, 28, 51, 0.92) 0%, rgba(15, 42, 74, 0.82) 55%, rgba(15, 42, 74, 0.62) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 3;
        }
        .breadcrumb-nav {
            margin-bottom: 22px;
        }
        .breadcrumb-nav .breadcrumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 30px;
            padding: 8px 18px;
            display: inline-flex;
            backdrop-filter: blur(4px);
            margin: 0;
        }
        .breadcrumb-nav .breadcrumb-item,
        .breadcrumb-nav .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
        }
        .breadcrumb-nav .breadcrumb-item a:hover {
            color: var(--accent);
        }
        .breadcrumb-nav .breadcrumb-item.active {
            color: var(--accent);
        }
        .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.4);
            content: "›";
        }
        .page-hero h1 {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            max-width: 860px;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .hero-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 14px;
        }
        .hero-meta a {
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-meta a:hover {
            color: var(--accent);
        }
        .hero-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .hero-meta .badge {
            background: rgba(240, 165, 0, 0.22);
            color: #fff;
        }
        /* ===== Article Section ===== */
        .article-section {
            padding: 52px 0 20px;
        }
        .article-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 42px 46px 38px;
            margin-bottom: 34px;
            border: 1px solid rgba(232, 236, 241, 0.7);
        }
        .article-header {
            padding-bottom: 26px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
        }
        .article-header h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--text-muted);
            font-size: 13.5px;
        }
        .article-meta a {
            color: var(--text-muted);
        }
        .article-meta a:hover {
            color: var(--accent);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: #3a4250;
        }
        .article-body p {
            margin-bottom: 1.4rem;
        }
        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 1.6rem 0 0.8rem;
        }
        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin: 1.4rem 0 0.6rem;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.4rem;
        }
        .article-body ul li,
        .article-body ol li {
            margin-bottom: 0.5rem;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: #f8f9fb;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            color: #5a6472;
            margin: 1.6rem 0;
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            margin: 1rem 0;
        }
        .article-body a {
            color: var(--accent-hover);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--accent);
        }
        .article-body code {
            background: #f1f3f7;
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.9em;
            color: #d63384;
        }
        .article-tags {
            margin-top: 30px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }
        .article-tags .tags-label {
            color: var(--text-muted);
            font-size: 13px;
            margin-right: 4px;
        }
        .article-tags .tag {
            display: inline-block;
            background: #f1f3f7;
            color: #4b5563;
            padding: 5px 14px;
            border-radius: 18px;
            font-size: 12.5px;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-1px);
        }
        .not-found {
            text-align: center;
            padding: 60px 30px;
        }
        .not-found .not-found-icon {
            font-size: 58px;
            color: #c9d2df;
            margin-bottom: 18px;
        }
        .not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        /* ===== Related ===== */
        .related-posts-block {
            margin-bottom: 20px;
        }
        .block-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 22px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .block-title i {
            color: var(--accent);
        }
        .related-card {
            border: none;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            background: var(--white);
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .related-card .card-img-top {
            height: 150px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 16px 18px 18px;
        }
        .related-card .badge {
            margin-bottom: 8px;
        }
        .related-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-time {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* ===== Sidebar Wrapper ===== */
        .article-sidebar {
            padding-left: 10px;
        }
        .sidebar-widget {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 26px 24px;
            margin-bottom: 24px;
            border: 1px solid rgba(232, 236, 241, 0.6);
        }
        .sidebar-widget h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            position: relative;
        }
        .sidebar-widget h3::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 42px;
            height: 2px;
            background: var(--accent);
        }
        .sidebar-widget p {
            color: var(--text-muted);
            font-size: 13.5px;
            margin-bottom: 14px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud .tag {
            display: inline-block;
            background: #f2f4f8;
            color: #4b5563;
            padding: 6px 15px;
            border-radius: 18px;
            font-size: 12.5px;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-cloud .tag:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-1px);
        }
        .sidebar-widget .widget-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-hover);
            font-weight: 600;
            font-size: 14px;
        }
        .sidebar-widget .widget-link:hover {
            color: var(--accent);
        }
        /* ===== CTA ===== */
        .cta-section {
            padding: 56px 0 70px;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
            border-radius: 26px;
            padding: 58px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(15, 42, 74, 0.25);
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            background: rgba(240, 165, 0, 0.15);
            border-radius: 50%;
        }
        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 160px;
            height: 160px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }
        .cta-box h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            max-width: 620px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }
        .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        .cta-actions .btn {
            padding: 12px 30px;
            font-size: 15px;
        }
        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 46px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-logo:hover {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            transition: var(--transition);
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--accent);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 3px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }
        .footer-bottom span {
            display: block;
        }
        /* ===== Responsive ===== */
        @media (min-width: 992px) {
            .sidebar-overlay {
                display: none;
            }
        }
        @media (max-width: 991.98px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 0 0 40px rgba(0, 0, 0, 0.3);
                transition: transform 0.35s ease;
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .app-main {
                padding-top: 60px;
            }
            .page-hero {
                padding: 50px 0 44px;
                min-height: auto;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .article-card {
                padding: 28px 24px;
            }
            .article-sidebar {
                padding-left: 0;
                margin-top: 10px;
            }
            .cta-box {
                padding: 42px 30px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 767.98px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .page-hero h1 {
                font-size: 1.45rem;
            }
            .page-hero {
                padding: 40px 0 36px;
            }
            .hero-meta {
                gap: 12px;
                font-size: 13px;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-card {
                padding: 22px 18px;
                border-radius: 16px;
            }
            .article-body {
                font-size: 1rem;
                line-height: 1.85;
            }
            .article-tags {
                gap: 6px;
            }
            .cta-box {
                padding: 36px 20px;
                border-radius: 18px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .mobile-topbar {
                height: 54px;
                padding: 0 14px;
            }
            .mobile-brand {
                font-size: 15px;
            }
            .app-main {
                padding-top: 54px;
            }
            .page-hero h1 {
                font-size: 1.25rem;
            }
            .breadcrumb-nav .breadcrumb {
                padding: 6px 14px;
                font-size: 12px;
            }
            .article-card {
                padding: 18px 14px;
            }
            .related-card .card-img-top {
                height: 120px;
            }
            .cta-box h2 {
                font-size: 1.2rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a1f3a;
            --primary-light: #2a3058;
            --accent: #e8b64c;
            --accent-hover: #d4a43a;
            --secondary: #4a6cf7;
            --bg-light: #f5f7fb;
            --text-main: #1c2333;
            --text-muted: #6b7280;
            --border-light: #e5e9f2;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-light);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover,
        a:focus {
            color: var(--accent);
        }

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

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 顶部移动端栏 ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: 64px;
            background: rgba(26, 31, 58, 0.98);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
            backdrop-filter: blur(12px);
        }

        .mobile-brand {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .mobile-brand:hover {
            color: var(--accent);
        }

        .menu-toggle {
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }

        /* ===== 左侧 App Shell 导航 ===== */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: 260px;
            background: var(--primary);
            color: #fff;
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            z-index: 1030;
            display: flex;
            flex-direction: column;
            padding: 32px 20px 24px;
            transition: var(--transition);
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 28px;
            margin-bottom: 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .sidebar-brand .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent), #f5d47a);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-text {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-nav .nav-label {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: rgba(255, 255, 255, 0.4);
            padding: 0 12px;
            margin-bottom: 8px;
            margin-top: 8px;
        }

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

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

        .sidebar-nav .nav-item:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            transform: translateX(3px);
        }

        .sidebar-nav .nav-item.active {
            background: linear-gradient(135deg, var(--accent), #f5d47a);
            color: var(--primary);
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(232, 182, 76, 0.35);
        }

        .sidebar-footer {
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .sidebar-footer p {
            margin: 0;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1020;
            backdrop-filter: blur(2px);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            flex: 1;
            margin-left: 260px;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        .page-content {
            flex: 1;
        }

        /* ===== Banner ===== */
        .page-banner {
            position: relative;
            padding: 72px 0 56px;
            background:
                linear-gradient(135deg, rgba(26, 31, 58, 0.94), rgba(42, 48, 88, 0.86)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            border-bottom: 4px solid var(--accent);
        }

        .page-banner .banner-heading {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .page-banner .banner-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .banner-tags .banner-tag {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: #fff;
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }

        .banner-tags .banner-tag:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

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

        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            border: 2px solid transparent;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(232, 182, 76, 0.35);
        }

        .btn-accent:hover {
            background: transparent;
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 182, 76, 0.25);
        }

        .btn-outline-light {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 80px 0;
        }

        .section-sm {
            padding: 50px 0;
        }

        .section-header {
            margin-bottom: 44px;
        }

        .section-heading {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .section-sub {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 640px;
            margin-bottom: 0;
        }

        .section-divider {
            display: inline-block;
            width: 50px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-bottom: 16px;
        }

        .badge-soft {
            background: rgba(74, 108, 247, 0.1);
            color: var(--secondary);
            font-weight: 600;
            border-radius: 50px;
            padding: 6px 14px;
            font-size: 13px;
            display: inline-block;
            margin-bottom: 12px;
            border: 1px solid rgba(74, 108, 247, 0.2);
        }

        /* ===== 详情卡片 ===== */
        .category-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

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

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

        .category-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(74, 108, 247, 0.1), rgba(232, 182, 76, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--secondary);
            margin-bottom: 18px;
        }

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

        .category-card .card-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

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

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

        /* ===== 图文列表 ===== */
        .guide-post {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            margin-bottom: 16px;
        }

        .guide-post:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }

        .guide-post .post-index {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(74, 108, 247, 0.08);
            color: var(--secondary);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .guide-post:nth-child(-n+3) .post-index {
            background: linear-gradient(135deg, var(--accent), #f5d47a);
            color: var(--primary);
        }

        .guide-post .post-body {
            flex: 1;
        }

        .guide-post .post-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .guide-post .post-title a:hover {
            color: var(--accent);
        }

        .guide-post .post-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .guide-post .post-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ===== 步骤流程 ===== */
        .steps-section {
            background: var(--primary);
            color: #fff;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(232, 182, 76, 0.08);
        }

        .steps-section .section-heading {
            color: #fff;
        }

        .steps-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .step-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            backdrop-filter: blur(4px);
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(232, 182, 76, 0.3);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 12px;
            line-height: 1;
        }

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

        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .accordion-btn {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
            margin-bottom: 8px;
            text-align: left;
        }

        .accordion-btn:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .accordion-btn i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 14px;
        }

        .accordion-btn.active i {
            transform: rotate(180deg);
        }

        .accordion-panel {
            display: none;
            padding: 0 22px 20px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-top: none;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            margin-top: -8px;
            margin-bottom: 8px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .accordion-panel.show {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(26, 31, 58, 0.95), rgba(74, 108, 247, 0.85)),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 70px 0;
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 30px;
        }

        .cta-section .btn-accent {
            font-size: 16px;
            padding: 14px 38px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
            border-top: 4px solid var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

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

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

        .footer-col li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

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

        .footer-col li a i {
            font-size: 11px;
            color: var(--accent);
        }

        .footer-bottom {
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .page-banner {
                padding: 60px 0 44px;
            }

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

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

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
            }

            .sidebar.open {
                transform: translateX(0);
                box-shadow: 8px 0 40px rgba(0, 0, 0, 0.3);
            }

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

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

            .mobile-topbar {
                display: flex;
            }

            .page-content {
                padding-top: 64px;
            }

            .page-banner {
                padding: 48px 0 36px;
            }

            .page-banner .banner-heading {
                font-size: 26px;
            }

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

            .section {
                padding: 56px 0;
            }

            .section-heading {
                font-size: 24px;
            }

            .guide-post {
                flex-direction: column;
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

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

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

            .banner-actions .btn-accent,
            .banner-actions .btn-outline-light {
                width: 100%;
                text-align: center;
            }
        }

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

            .page-banner .banner-heading {
                font-size: 22px;
            }

            .banner-tags .banner-tag {
                font-size: 13px;
                padding: 4px 12px;
            }

            .section-heading {
                font-size: 21px;
            }

            .category-card {
                padding: 20px;
            }

            .step-item {
                padding: 22px 18px;
            }

            .step-num {
                font-size: 26px;
            }

            .accordion-btn {
                padding: 15px 16px;
                font-size: 15px;
            }

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

            .cta-section p {
                font-size: 14px;
            }
        }

        /* ===== 动效 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

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

        /* ===== Bootstrap 修正 ===== */
        .btn:focus,
        .btn:active:focus,
        .form-control:focus {
            box-shadow: 0 0 0 0.25rem rgba(232, 182, 76, 0.25);
        }

        .container {
            width: 100%;
            max-width: 1280px;
        }

/* roulang page: category3 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-light: #3b82f6;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f1f5f9;
            --surface: #ffffff;
            --text: #0f172a;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);
            --shadow: 0 4px 20px rgba(0, 0, 0, .08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, .12);
            --transition: all .25s ease;
            --sidebar-width: 260px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Mobile Topbar ===== */
        .mobile-topbar {
            display: none;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
        }
        .menu-toggle {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            background: var(--surface);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text);
            font-size: 16px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--bg);
        }

        /* ===== Sidebar ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--surface);
            border-right: 1px solid var(--border);
            z-index: 1060;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 28px 24px 20px;
            border-bottom: 1px solid var(--border);
        }
        .brand-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
            line-height: 1.3;
        }
        .sidebar-close {
            width: 32px;
            height: 32px;
            border: none;
            background: transparent;
            color: var(--text-muted);
            font-size: 18px;
            border-radius: 8px;
            display: none;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .sidebar-close:hover {
            background: var(--bg);
            color: var(--text);
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            overflow-y: auto;
        }
        .nav-section-title {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 16px 12px 8px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 12px;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 2px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }
        .nav-item:hover {
            background: #f1f5f9;
            color: var(--primary);
            transform: translateX(2px);
        }
        .nav-item.active {
            background: linear-gradient(135deg, rgba(37, 99, 235, .1), rgba(245, 158, 11, .06));
            color: var(--primary);
            font-weight: 600;
            border-color: rgba(37, 99, 235, .15);
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .info-dot {
            width: 8px;
            height: 8px;
            background: #22c55e;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 3px rgba(34, 197, 94, .2);
        }

        /* ===== Sidebar Overlay ===== */
        .sidebar-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, .5);
            z-index: 1055;
            display: none;
            opacity: 0;
            transition: opacity .3s ease;
        }
        .sidebar-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ===== Main Wrapper ===== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-wrapper main {
            flex: 1;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 64px;
            background: linear-gradient(120deg, rgba(30, 64, 175, .92), rgba(37, 99, 235, .78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .page-hero .breadcrumb {
            --bs-breadcrumb-divider-color: rgba(255, 255, 255, .6);
            margin-bottom: 16px;
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, .75);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .page-hero .breadcrumb-item.active {
            color: var(--accent-light);
        }
        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 12px;
            line-height: 1.2;
        }
        .page-hero p {
            max-width: 660px;
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 0;
        }
        .page-hero .hero-tags {
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .page-hero .hero-tags span {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 20px;
            font-size: 13px;
            backdrop-filter: blur(4px);
        }

        /* ===== Section ===== */
        .section-padding {
            padding: 72px 0;
        }
        .section-bg-light {
            background: var(--surface);
        }
        .section-title-wrap {
            margin-bottom: 40px;
        }
        .section-title-wrap .subtitle {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(37, 99, 235, .08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .section-title-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: .5px;
        }
        .section-title-wrap p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 680px;
        }

        /* ===== Info Stats ===== */
        .stats-wrap {
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }
        .stats-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 16px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }
        .stats-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, .3);
        }
        .stats-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-bottom: 12px;
        }
        .stats-card .icon.blue {
            background: linear-gradient(135deg, #2563eb, #3b82f6);
        }
        .stats-card .icon.gold {
            background: linear-gradient(135deg, #d97706, #f59e0b);
        }
        .stats-card .icon.green {
            background: linear-gradient(135deg, #059669, #10b981);
        }
        .stats-card .icon.purple {
            background: linear-gradient(135deg, #7c3aed, #a78bfa);
        }
        .stats-card .num {
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }
        .stats-card .label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== Service Cards ===== */
        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, .3);
        }
        .service-card .card-img {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .service-card:hover .card-img img {
            transform: scale(1.06);
        }
        .service-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, .05) 0%, rgba(15, 23, 42, .25) 100%);
        }
        .service-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            margin-bottom: 14px;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: auto;
        }
        .service-card .card-tags span {
            font-size: 12px;
            padding: 4px 10px;
            background: var(--bg);
            border-radius: 6px;
            color: var(--text-muted);
        }

        /* ===== Process Steps ===== */
        .process-wrap {
            counter-reset: step;
        }
        .process-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            height: 100%;
            transition: var(--transition);
        }
        .process-item:hover {
            box-shadow: var(--shadow);
            border-color: rgba(37, 99, 235, .3);
        }
        .process-item .step-num {
            counter-increment: step;
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            box-shadow: 0 6px 16px rgba(37, 99, 235, .3);
        }
        .process-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .process-arrow {
            position: absolute;
            top: 50%;
            right: -16px;
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            z-index: 2;
            box-shadow: 0 4px 10px rgba(37, 99, 235, .35);
            transform: translateY(-50%);
        }

        /* ===== Latest List ===== */
        .info-list-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .info-list-card:hover {
            box-shadow: var(--shadow);
            border-color: rgba(37, 99, 235, .25);
        }
        .info-list-card .info-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
            transition: background .2s;
        }
        .info-list-card .info-row:last-child {
            border-bottom: none;
        }
        .info-list-card .info-row:hover {
            background: #f8fafc;
        }
        .info-list-card .info-left {
            display: flex;
            align-items: center;
            gap: 16px;
            min-width: 0;
        }
        .info-list-card .info-left .badge-wrap {
            flex-shrink: 0;
        }
        .info-list-card .info-left h5 {
            font-size: 15px;
            font-weight: 600;
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 480px;
        }
        .info-list-card .info-left h5 a {
            color: var(--text);
        }
        .info-list-card .info-left h5 a:hover {
            color: var(--primary);
        }
        .info-list-card .info-date {
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .btn-soft-primary {
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, .2);
            border-radius: 10px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-soft-primary:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(37, 99, 235, .3);
        }

        /* ===== FAQ Accordion ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-size: 15px;
            font-weight: 600;
            padding: 20px 24px;
            background: var(--surface);
            color: var(--text);
            box-shadow: none !important;
            gap: 10px;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: linear-gradient(90deg, rgba(37, 99, 235, .06), transparent);
            color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            background-size: 14px;
        }
        .faq-accordion .accordion-body {
            padding: 4px 24px 20px;
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA Block ===== */
        .cta-block {
            position: relative;
            padding: 64px 0;
            background: linear-gradient(120deg, rgba(30, 64, 175, .9), rgba(37, 99, 235, .85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-block h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-block p {
            max-width: 600px;
            margin: 0 auto 28px;
            color: rgba(255, 255, 255, .85);
        }
        .btn-light-gold {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 12px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 20px rgba(245, 158, 11, .35);
            transition: var(--transition);
        }
        .btn-light-gold:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, .45);
        }
        .btn-light-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .6);
            border-radius: 12px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .btn-light-outline:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
        }

        /* ===== Footer ===== */
        .footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 0;
            font-size: 14px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .footer p {
            font-size: 14px;
            line-height: 1.8;
            color: #94a3b8;
            max-width: 360px;
        }
        .footer h4 {
            font-size: 16px;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 18px;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: #94a3b8;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer ul li a i {
            font-size: 10px;
            color: var(--accent);
        }
        .footer ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            padding: 20px 0 24px;
            font-size: 13px;
            color: #64748b;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: var(--shadow-lg);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-close {
                display: inline-flex;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .page-hero {
                padding: 64px 0 56px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .process-arrow {
                display: none;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .section-title-wrap h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 767.98px) {
            .section-padding {
                padding: 52px 0;
            }
            .page-hero {
                padding: 48px 0 44px;
            }
            .page-hero h1 {
                font-size: 27px;
            }
            .section-title-wrap h2 {
                font-size: 23px;
            }
            .stats-card .num {
                font-size: 24px;
            }
            .info-list-card .info-left h5 {
                white-space: normal;
                max-width: none;
            }
            .cta-block h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .page-hero p {
                font-size: 14px;
            }
            .service-card .card-body {
                padding: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .btn-light-gold,
            .btn-light-outline {
                padding: 12px 20px;
                font-size: 14px;
                margin-bottom: 8px;
            }
        }