/* roulang page: index */
:root {
            --color-primary: #0f2940;
            --color-primary-light: #1a3f5c;
            --color-accent: #c9a050;
            --color-accent-hover: #b89040;
            --color-accent-light: #f5ecd7;
            --color-bg: #f7f5f0;
            --color-bg-white: #ffffff;
            --color-text: #1a1a1a;
            --color-text-soft: #5a5a5a;
            --color-text-muted: #888888;
            --color-border: #e0dcd5;
            --color-border-light: #eeebe4;
            --color-success: #2d8c5e;
            --color-danger: #c0392b;
            --color-sidebar-bg: #0b1e2d;
            --color-sidebar-text: #c8d6e0;
            --color-sidebar-hover: #162d40;
            --color-sidebar-active: #c9a050;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --shadow-nav: 2px 0 20px rgba(0, 0, 0, 0.18);
            --shadow-btn: 0 2px 8px rgba(201, 160, 80, 0.3);
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --sidebar-width: 260px;
            --topbar-height: 60px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        /* ===== Sidebar (Desktop) ===== */
        .sidebar-desktop {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-sidebar-bg);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: var(--shadow-nav);
            transition: transform var(--transition-normal);
        }

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

        .sidebar-desktop .sidebar-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #ffffff;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.5px;
        }

        .sidebar-desktop .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #0b1e2d;
            flex-shrink: 0;
        }

        .sidebar-desktop .sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            list-style: none;
            margin: 0;
        }

        .sidebar-desktop .sidebar-nav li {
            margin-bottom: 4px;
        }

        .sidebar-desktop .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--color-sidebar-text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            position: relative;
        }

        .sidebar-desktop .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-desktop .sidebar-nav a:hover {
            background: var(--color-sidebar-hover);
            color: #ffffff;
        }

        .sidebar-desktop .sidebar-nav a.active {
            background: rgba(201, 160, 80, 0.15);
            color: var(--color-sidebar-active);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-sidebar-active);
        }

        .sidebar-desktop .sidebar-nav a.active i {
            color: var(--color-sidebar-active);
        }

        .sidebar-desktop .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: rgba(200, 210, 220, 0.6);
        }

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

        /* ===== Mobile Topbar ===== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--color-sidebar-bg);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .mobile-topbar .topbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #ffffff;
            font-weight: 700;
            font-size: 1.05rem;
            font-family: var(--font-heading);
        }

        .mobile-topbar .topbar-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: #0b1e2d;
            flex-shrink: 0;
        }

        .mobile-topbar .toggler-btn {
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 6px 8px;
            margin-left: auto;
            line-height: 1;
        }

        /* ===== Offcanvas Overrides ===== */
        .offcanvas-sidebar {
            background: var(--color-sidebar-bg) !important;
            width: 280px !important;
        }

        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 20px;
        }

        .offcanvas-sidebar .offcanvas-title {
            color: #ffffff;
            font-weight: 700;
            font-family: var(--font-heading);
        }

        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
        }

        .offcanvas-sidebar .offcanvas-body {
            padding: 12px 10px;
        }

        .offcanvas-sidebar .offcanvas-nav {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .offcanvas-sidebar .offcanvas-nav li {
            margin-bottom: 2px;
        }

        .offcanvas-sidebar .offcanvas-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            color: var(--color-sidebar-text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .offcanvas-sidebar .offcanvas-nav a i {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }

        .offcanvas-sidebar .offcanvas-nav a:hover {
            background: var(--color-sidebar-hover);
            color: #ffffff;
        }

        .offcanvas-sidebar .offcanvas-nav a.active {
            background: rgba(201, 160, 80, 0.15);
            color: var(--color-sidebar-active);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-sidebar-active);
        }

        /* ===== Container ===== */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ===== Hero Section ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0f2940 0%, #1a3f5c 40%, #0d2133 100%);
            color: #ffffff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            pointer-events: none;
        }

        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 41, 64, 0.85) 0%, rgba(10, 25, 40, 0.7) 60%, rgba(15, 41, 64, 0.8) 100%);
            pointer-events: none;
        }

        .hero-section .content-container {
            position: relative;
            z-index: 2;
        }

        .hero-section .hero-badge {
            display: inline-block;
            background: rgba(201, 160, 80, 0.2);
            border: 1px solid rgba(201, 160, 80, 0.4);
            color: var(--color-accent);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-section h1 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.8rem;
            line-height: 1.25;
            margin-bottom: 18px;
            color: #ffffff;
            letter-spacing: -0.3px;
        }

        .hero-section .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(220, 225, 235, 0.9);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 32px;
        }

        .hero-section .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 10px;
        }

        .hero-section .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-heading);
        }

        .hero-section .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(200, 210, 220, 0.8);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #0f2940;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 50px;
            border: none;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-btn);
            text-decoration: none;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #0f2940;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 160, 80, 0.45);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            font-weight: 500;
            padding: 12px 26px;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            text-decoration: none;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.7);
            color: #ffffff;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 64px 0;
        }

        .section-block .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .section-block .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .section-block .section-desc {
            color: var(--color-text-soft);
            font-size: 1.02rem;
            max-width: 650px;
            line-height: 1.7;
        }

        /* ===== Advantage Cards ===== */
        .advantage-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 30px 24px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

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

        .advantage-card .adv-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .advantage-card .adv-icon.icon-blue {
            background: #e8f0f8;
            color: #1a3f5c;
        }

        .advantage-card .adv-icon.icon-gold {
            background: #faf3e2;
            color: #c9a050;
        }

        .advantage-card .adv-icon.icon-green {
            background: #e6f4ed;
            color: #2d8c5e;
        }

        .advantage-card .adv-icon.icon-purple {
            background: #f0e8f4;
            color: #5b3d7a;
        }

        .advantage-card h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.1rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .advantage-card p {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== Stats Bar ===== */
        .stats-bar-section {
            background: var(--color-primary);
            padding: 48px 0;
            color: #ffffff;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }

        .stats-bar-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 41, 64, 0.88);
            pointer-events: none;
        }

        .stats-bar-section .content-container {
            position: relative;
            z-index: 1;
        }

        .stat-block {
            text-align: center;
            padding: 10px;
        }

        .stat-block .stat-big {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            font-family: var(--font-heading);
            letter-spacing: -0.5px;
        }

        .stat-block .stat-text {
            font-size: 0.9rem;
            color: rgba(210, 218, 228, 0.85);
            margin-top: 4px;
        }

        /* ===== CMS News List ===== */
        .news-list-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 0;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }

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

        .news-item:hover {
            background: #fcfbf8;
        }

        .news-item .news-thumb {
            width: 80px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

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

        .news-item .news-info a {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            display: block;
            margin-bottom: 3px;
            line-height: 1.4;
        }

        .news-item .news-info a:hover {
            color: var(--color-accent);
        }

        .news-item .news-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .news-item .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-empty {
            padding: 40px 20px;
            text-align: center;
            color: var(--color-text-muted);
            font-size: 0.95rem;
        }

        /* ===== Category Cards ===== */
        .category-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .category-card .cat-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .category-card .cat-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-normal);
        }

        .category-card:hover .cat-img-wrap img {
            transform: scale(1.06);
        }

        .category-card .cat-body {
            padding: 20px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .category-card .cat-body h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .category-card .cat-body p {
            color: var(--color-text-soft);
            font-size: 0.88rem;
            margin-bottom: 12px;
            line-height: 1.6;
            flex: 1;
        }

        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.88rem;
            transition: gap var(--transition-fast);
        }

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

        .category-card .cat-link i {
            font-size: 0.7rem;
        }

        /* ===== Comparison Table ===== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            background: var(--color-bg-white);
        }

        .comparison-table-wrap table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table-wrap th,
        .comparison-table-wrap td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }

        .comparison-table-wrap thead th {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            font-family: var(--font-heading);
            font-size: 0.9rem;
            letter-spacing: 0.3px;
        }

        .comparison-table-wrap thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table-wrap thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table-wrap tbody td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--color-primary);
        }

        .comparison-table-wrap tbody tr:hover {
            background: #fcfbf8;
        }

        .check-icon {
            color: var(--color-success);
            font-size: 1rem;
        }

        .dash-icon {
            color: var(--color-text-muted);
        }

        .highlight-col {
            background: rgba(201, 160, 80, 0.04);
        }

        /* ===== Testimonial Cards ===== */
        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--color-border-light);
            position: relative;
            height: 100%;
        }

        .testimonial-card .quote-mark {
            font-size: 2.5rem;
            color: var(--color-accent);
            opacity: 0.5;
            line-height: 1;
            margin-bottom: 8px;
        }

        .testimonial-card p {
            color: var(--color-text-soft);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-card .testimonial-author {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
        }

        .testimonial-card .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ===== FAQ Accordion ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            background: var(--color-bg-white);
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            background: var(--color-bg-white);
            padding: 16px 20px;
            box-shadow: none !important;
            border-radius: var(--radius-md) !important;
            font-family: var(--font-body);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: #fdfaf4;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--color-accent);
        }

        .faq-accordion .accordion-body {
            padding: 6px 20px 18px;
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #0f2940 0%, #162d40 100%);
            color: #ffffff;
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }

        .cta-section .content-container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 10px;
            color: #ffffff;
        }

        .cta-section p {
            color: rgba(210, 218, 228, 0.9);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1e2d;
            color: rgba(200, 210, 220, 0.75);
            padding: 40px 0 24px;
            font-size: 0.85rem;
        }

        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-links li {
            margin-bottom: 6px;
        }

        .site-footer .footer-links a {
            color: rgba(200, 210, 220, 0.7);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 16px;
            margin-top: 28px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(180, 190, 200, 0.6);
        }

        .site-footer h5 {
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .sidebar-desktop {
                display: none !important;
            }

            .mobile-topbar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }

            .hero-section {
                padding: 50px 0 56px;
                min-height: auto;
            }

            .hero-section h1 {
                font-size: 2rem;
            }

            .hero-section .hero-subtitle {
                font-size: 1rem;
            }

            .hero-section .hero-stats-row {
                gap: 22px;
            }

            .hero-section .hero-stat-item .stat-number {
                font-size: 1.5rem;
            }

            .section-block {
                padding: 44px 0;
            }

            .section-block .section-title {
                font-size: 1.55rem;
            }

            .content-container {
                padding: 0 18px;
            }

            .category-card .cat-img-wrap {
                height: 160px;
            }

            .stat-block .stat-big {
                font-size: 1.8rem;
            }

            .cta-section h2 {
                font-size: 1.55rem;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section {
                padding: 36px 0 40px;
            }

            .hero-section h1 {
                font-size: 1.6rem;
            }

            .hero-section .hero-subtitle {
                font-size: 0.9rem;
            }

            .hero-section .hero-stats-row {
                gap: 14px;
                flex-direction: column;
            }

            .section-block {
                padding: 32px 0;
            }

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

            .news-item {
                flex-direction: column;
                gap: 10px;
                padding: 12px 14px;
            }

            .news-item .news-thumb {
                width: 100%;
                height: 120px;
                border-radius: var(--radius-sm);
            }

            .btn-accent,
            .btn-outline-light-custom {
                padding: 10px 20px;
                font-size: 0.85rem;
            }

            .comparison-table-wrap table {
                min-width: 560px;
                font-size: 0.78rem;
            }

            .comparison-table-wrap th,
            .comparison-table-wrap td {
                padding: 10px 10px;
            }

            .cta-section {
                padding: 40px 0;
            }

            .cta-section h2 {
                font-size: 1.3rem;
            }

            .content-container {
                padding: 0 12px;
            }

            .stat-block .stat-big {
                font-size: 1.5rem;
            }

            .stat-block .stat-text {
                font-size: 0.78rem;
            }
        }

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

            .offcanvas-backdrop {
                display: none !important;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1a5f4a;
            --color-primary-dark: #134636;
            --color-primary-light: #2a7d62;
            --color-accent: #d4a853;
            --color-accent-hover: #c4963d;
            --color-bg: #f4f6f5;
            --color-surface: #ffffff;
            --color-text: #1e2d27;
            --color-text-secondary: #5a6d64;
            --color-text-muted: #889991;
            --color-border: #dde5e1;
            --color-border-light: #eef3f1;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --sidebar-width: 270px;
            --topbar-height: 58px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-body);font-size:16px;line-height:1.7;color:var(--color-text);background:var(--color-bg);min-height:100vh}
        a{text-decoration:none;color:var(--color-primary);transition:color var(--transition-fast)}
        a:hover{color:var(--color-primary-dark)}
        img{max-width:100%;height:auto;display:block}
        ul,ol{list-style:none;padding:0;margin:0}
        button{cursor:pointer;border:none;background:none;font-family:inherit}
        h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.35;color:var(--color-text);font-weight:700}
        h1{font-size:2.1rem;letter-spacing:-0.01em}
        h2{font-size:1.65rem}
        h3{font-size:1.3rem}
        @media(max-width:768px){h1{font-size:1.65rem}h2{font-size:1.35rem}h3{font-size:1.15rem}}
        .sidebar-desktop{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--color-surface);border-right:1px solid var(--color-border);z-index:1040;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;box-shadow:var(--shadow-sm)}
        .sidebar-desktop .sidebar-inner{padding:28px 22px;display:flex;flex-direction:column;flex:1}
        .sidebar-brand{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;color:var(--color-primary);font-family:var(--font-heading);margin-bottom:32px;letter-spacing:-0.01em}
        .sidebar-brand .brand-icon{font-size:1.5rem;color:var(--color-accent);display:flex;align-items:center}
        .sidebar-nav{flex:1;display:flex;flex-direction:column;gap:4px}
        .sidebar-nav a{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius-md);color:var(--color-text-secondary);font-weight:500;font-size:0.95rem;transition:all var(--transition-fast);position:relative}
        .sidebar-nav a:hover{background:#f0f5f2;color:var(--color-primary)}
        .sidebar-nav a.active{background:linear-gradient(135deg,#e8f4ee 0%,#dceee5 100%);color:var(--color-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--color-primary)}
        .sidebar-nav a .nav-icon{font-size:1rem;width:22px;text-align:center;color:var(--color-text-muted);transition:color var(--transition-fast)}
        .sidebar-nav a.active .nav-icon,.sidebar-nav a:hover .nav-icon{color:var(--color-accent)}
        .sidebar-footer-info{margin-top:auto;padding-top:20px;border-top:1px solid var(--color-border-light);font-size:0.78rem;color:var(--color-text-muted);line-height:1.6}
        .sidebar-footer-info strong{color:var(--color-text-secondary);font-weight:600}
        .main-content-wrapper{margin-left:var(--sidebar-width);min-height:100vh;display:flex;flex-direction:column}
        @media(max-width:991px){
            .sidebar-desktop{display:none!important}
            .main-content-wrapper{margin-left:0!important}
        }
        .mobile-topbar{position:fixed;top:0;left:0;right:0;height:var(--topbar-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:1035;display:flex;align-items:center;justify-content:space-between;padding:0 18px;box-shadow:var(--shadow-sm)}
        .mobile-topbar .topbar-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.05rem;color:var(--color-primary);font-family:var(--font-heading)}
        .mobile-topbar .topbar-brand .brand-icon{color:var(--color-accent);font-size:1.2rem}
        .mobile-topbar .toggler-btn{font-size:1.35rem;color:var(--color-text);padding:6px 10px;border-radius:var(--radius-sm);transition:background var(--transition-fast)}
        .mobile-topbar .toggler-btn:hover{background:#f0f5f2}
        .mobile-topbar .toggler-btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:var(--radius-sm)}
        @media(min-width:992px){.mobile-topbar{display:none!important}}
        .offcanvas-sidebar{width:280px!important;max-width:85vw}
        .offcanvas-sidebar .offcanvas-header{border-bottom:1px solid var(--color-border);padding:18px 20px}
        .offcanvas-sidebar .offcanvas-title{font-weight:700;color:var(--color-primary);font-family:var(--font-heading);font-size:1.1rem;display:flex;align-items:center;gap:8px}
        .offcanvas-sidebar .offcanvas-title .brand-icon{color:var(--color-accent)}
        .offcanvas-sidebar .offcanvas-body{padding:16px 18px}
        .offcanvas-sidebar .offcanvas-nav{display:flex;flex-direction:column;gap:4px}
        .offcanvas-sidebar .offcanvas-nav a{display:flex;align-items:center;gap:10px;padding:13px 16px;border-radius:var(--radius-md);color:var(--color-text-secondary);font-weight:500;font-size:0.95rem;transition:all var(--transition-fast)}
        .offcanvas-sidebar .offcanvas-nav a:hover{background:#f0f5f2;color:var(--color-primary)}
        .offcanvas-sidebar .offcanvas-nav a.active{background:linear-gradient(135deg,#e8f4ee 0%,#dceee5 100%);color:var(--color-primary);font-weight:600}
        .offcanvas-sidebar .offcanvas-nav a .nav-icon{font-size:1rem;width:22px;text-align:center;color:var(--color-text-muted)}
        .offcanvas-sidebar .offcanvas-footer-info{margin-top:20px;padding-top:16px;border-top:1px solid var(--color-border-light);font-size:0.78rem;color:var(--color-text-muted);line-height:1.6}
        .content-area{flex:1;padding:32px 28px 48px}
        @media(max-width:991px){.content-area{padding:18px 14px 32px;margin-top:var(--topbar-height)}}
        @media(max-width:520px){.content-area{padding:14px 10px 24px}}
        .content-container{max-width:860px;margin:0 auto;width:100%}
        .breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:0.84rem;color:var(--color-text-muted);margin-bottom:20px}
        .breadcrumb-nav a{color:var(--color-text-muted);transition:color var(--transition-fast)}
        .breadcrumb-nav a:hover{color:var(--color-primary)}
        .breadcrumb-nav .breadcrumb-sep{color:var(--color-border);font-size:0.7rem}
        .breadcrumb-nav .breadcrumb-current{color:var(--color-text-secondary);font-weight:500}
        .article-main-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--shadow-md);border:1px solid var(--color-border-light)}
        @media(max-width:768px){.article-main-card{padding:22px 16px;border-radius:var(--radius-md)}}
        .article-meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px;font-size:0.86rem;color:var(--color-text-muted)}
        .article-category-badge{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:20px;background:#eaf6f0;color:var(--color-primary);font-weight:600;font-size:0.8rem;transition:all var(--transition-fast)}
        .article-category-badge:hover{background:#d5ede0;color:var(--color-primary-dark)}
        .article-date{display:flex;align-items:center;gap:4px}
        .article-featured-image{margin:22px 0 28px;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-md)}
        .article-featured-image img{width:100%;height:auto;display:block;border-radius:var(--radius-md)}
        .article-body{font-size:1.02rem;line-height:1.85;color:var(--color-text)}
        .article-body h2{font-size:1.45rem;margin:32px 0 14px;padding-top:8px}
        .article-body h3{font-size:1.2rem;margin:24px 0 10px}
        .article-body p{margin-bottom:16px}
        .article-body ul,.article-body ol{margin:0 0 18px 20px;list-style:disc}
        .article-body ol{list-style:decimal}
        .article-body li{margin-bottom:7px}
        .article-body blockquote{border-left:4px solid var(--color-primary);background:#f7faf8;padding:16px 20px;margin:20px 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--color-text-secondary);font-style:italic}
        .article-body img{max-width:100%;height:auto;border-radius:var(--radius-sm);margin:16px 0}
        .article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:0.92rem}
        .article-body table th,.article-body table td{padding:10px 14px;border:1px solid var(--color-border);text-align:left}
        .article-body table th{background:#f4f8f6;font-weight:600;color:var(--color-text)}
        .article-body code{background:#f1f5f3;padding:2px 6px;border-radius:3px;font-size:0.9em;color:var(--color-primary-dark)}
        .article-body pre{background:#1e2d27;color:#d5e8dc;padding:18px 20px;border-radius:var(--radius-md);overflow-x:auto;margin:16px 0;font-size:0.88rem;line-height:1.6}
        .article-body pre code{background:none;padding:0;color:inherit}
        .article-cta-card{margin-top:36px;background:linear-gradient(135deg,#f0f8f4 0%,#e4f2ea 100%);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;border:1px solid #d0e8db}
        .article-cta-card h3{font-size:1.15rem;margin-bottom:8px;color:var(--color-primary)}
        .article-cta-card p{color:var(--color-text-secondary);font-size:0.9rem;margin-bottom:16px}
        .btn-primary-custom{display:inline-flex;align-items:center;gap:7px;padding:11px 24px;background:var(--color-primary);color:#fff;border-radius:var(--radius-md);font-weight:600;font-size:0.93rem;transition:all var(--transition-base);border:none;text-decoration:none}
        .btn-primary-custom:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(26,95,74,0.3)}
        .btn-outline-custom{display:inline-flex;align-items:center;gap:7px;padding:11px 24px;background:transparent;color:var(--color-primary);border:2px solid var(--color-primary);border-radius:var(--radius-md);font-weight:600;font-size:0.93rem;transition:all var(--transition-base);text-decoration:none}
        .btn-outline-custom:hover{background:var(--color-primary);color:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(26,95,74,0.25)}
        .not-found-area{text-align:center;padding:50px 20px}
        .not-found-area .not-found-icon{font-size:3.5rem;color:var(--color-text-muted);margin-bottom:16px;opacity:0.6}
        .not-found-area h2{color:var(--color-text);margin-bottom:8px}
        .not-found-area p{color:var(--color-text-secondary);margin-bottom:22px;font-size:0.95rem}
        .site-footer{background:#1a2520;color:#c8d4ce;padding:40px 28px 24px;margin-top:auto}
        .site-footer .content-container{max-width:860px;margin:0 auto}
        .site-footer .footer-brand{font-size:1.15rem;font-weight:700;color:#e8efe9;margin-bottom:10px;font-family:var(--font-heading)}
        .site-footer h5{color:#dce5df;font-size:0.95rem;font-weight:600;margin-bottom:12px}
        .site-footer .footer-links{list-style:none;padding:0;margin:0}
        .site-footer .footer-links li{margin-bottom:7px}
        .site-footer .footer-links a{color:rgba(200,210,205,0.75);font-size:0.88rem;transition:color var(--transition-fast)}
        .site-footer .footer-links a:hover{color:#e8efe9}
        .footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,0.1);text-align:center;font-size:0.8rem;color:rgba(180,190,185,0.6)}
        @media(max-width:768px){
            .site-footer{padding:30px 14px 20px}
            .article-main-card{padding:18px 14px}
            .article-featured-image{margin:16px -14px 20px;border-radius:0}
            .article-featured-image img{border-radius:0}
        }
        :focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:2px}
        .skip-link{position:absolute;top:-100px;left:10px;background:var(--color-primary);color:#fff;padding:8px 16px;border-radius:var(--radius-sm);z-index:9999;font-weight:600;transition:top var(--transition-fast)}
        .skip-link:focus{top:10px}

/* roulang page: category1 */
:root {
            --sidebar-width: 248px;
            --sidebar-bg: #0a1525;
            --sidebar-bg-hover: #131f35;
            --sidebar-text: #bcc5d4;
            --sidebar-text-active: #ffffff;
            --sidebar-accent: #d4a853;
            --sidebar-accent-light: #e8c97a;
            --brand-primary: #0f1e3c;
            --brand-accent: #d4a853;
            --brand-accent-hover: #c0963e;
            --brand-accent-light: #fdf3e0;
            --body-bg: #f8f9fb;
            --card-bg: #ffffff;
            --text-primary: #1a1f2e;
            --text-secondary: #5a6170;
            --text-muted: #8891a3;
            --border-light: #e5e8ee;
            --border-card: #eaecf2;
            --shadow-sm: 0 1px 3px rgba(10,21,37,0.06);
            --shadow-md: 0 4px 16px rgba(10,21,37,0.08);
            --shadow-lg: 0 12px 36px rgba(10,21,37,0.10);
            --shadow-card-hover: 0 8px 28px rgba(10,21,37,0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --topbar-height: 56px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--body-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-top: 0;
        }

        h1 { font-size: 2.6rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }

        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

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

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

        /* ========== 桌面端左侧导航 ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            background: var(--sidebar-bg);
            display: flex;
            flex-direction: column;
            z-index: 1040;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 2px 0 24px rgba(0,0,0,0.18);
            transition: transform var(--transition-base);
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 22px 20px 18px 22px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            color: #ffffff;
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            font-family: var(--font-heading);
        }

        .sidebar-brand .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--sidebar-accent);
            border-radius: var(--radius-sm);
            color: #0a1525;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 12px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--sidebar-text);
            font-size: 0.94rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }

        .sidebar-nav a:hover {
            background: var(--sidebar-bg-hover);
            color: #e0e5ef;
        }

        .sidebar-nav a.active {
            background: rgba(212,168,83,0.14);
            color: var(--sidebar-accent-light);
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: -2px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--sidebar-accent);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-nav .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.8;
        }

        .sidebar-footer-note {
            padding: 16px 22px;
            border-top: 1px solid rgba(255,255,255,0.06);
            color: rgba(180,190,205,0.55);
            font-size: 0.72rem;
            letter-spacing: 0.03em;
            text-align: center;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--sidebar-bg);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            z-index: 1035;
            box-shadow: 0 2px 12px rgba(0,0,0,0.22);
        }

        .topbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            font-family: var(--font-heading);
        }

        .topbar-brand .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--brand-accent);
            border-radius: 6px;
            color: #0a1525;
            font-size: 0.9rem;
        }

        .toggler-btn {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.15);
            color: #ffffff;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
            padding: 0;
        }

        .toggler-btn:hover {
            background: rgba(255,255,255,0.16);
            border-color: rgba(255,255,255,0.3);
        }

        .toggler-btn:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
        }

        /* ========== 主内容区 ========== */
        .app-main {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--body-bg);
        }

        .content-container {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }

        .section-padding {
            padding: 64px 0;
        }

        .section-padding-sm {
            padding: 44px 0;
        }

        /* ========== Hero 板块 ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0a1525 0%, #132040 40%, #0f1e3c 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 72px;
            color: #ffffff;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(212,168,83,0.10) 0%, transparent 60%),
                        radial-gradient(ellipse at 30% 70%, rgba(15,30,60,0.6) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212,168,83,0.18);
            border: 1px solid rgba(212,168,83,0.35);
            color: var(--brand-accent-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-section h1 {
            color: #ffffff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-section .hero-subtitle {
            color: rgba(220,225,235,0.85);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand-accent);
            color: #0a1525;
            border: none;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(212,168,83,0.35);
            cursor: pointer;
        }

        .btn-accent:hover {
            background: var(--brand-accent-hover);
            color: #0a1525;
            box-shadow: 0 6px 24px rgba(212,168,83,0.5);
            transform: translateY(-2px);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(212,168,83,0.3);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255,255,255,0.4);
            padding: 12px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.93rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.7);
            color: #ffffff;
        }

        /* ========== 板块标题 ========== */
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--brand-accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header h2 {
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 540px;
            margin: 0 auto;
        }

        /* ========== 卡片样式 ========== */
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--brand-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-slow);
        }

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

        .feature-card:hover::after {
            transform: scaleX(1);
        }

        .feature-card .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: var(--brand-accent-light);
            color: #8b6914;
        }

        .feature-card h4 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== 覆盖市场板块 ========== */
        .market-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .market-item {
            background: var(--card-bg);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            transition: all var(--transition-base);
            cursor: default;
        }

        .market-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .market-item .market-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--brand-accent);
        }

        .market-item h5 {
            font-size: 1rem;
            margin-bottom: 4px;
            font-weight: 700;
        }

        .market-item span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== 流程板块 ========== */
        .process-steps {
            display: flex;
            gap: 0;
            position: relative;
        }

        .process-step {
            flex: 1;
            text-align: center;
            padding: 0 16px;
            position: relative;
        }

        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -10px;
            width: 20px;
            height: 2px;
            background: var(--border-light);
        }

        .process-step .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-accent-light);
            color: #8b6914;
            font-weight: 800;
            font-size: 1.3rem;
            margin: 0 auto 12px;
            border: 3px solid var(--brand-accent);
        }

        .process-step h5 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ========== 数据统计板块 ========== */
        .stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .stat-card {
            flex: 1;
            min-width: 160px;
            background: var(--card-bg);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--brand-accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== FAQ 板块 ========== */
        .faq-list .accordion-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            background: var(--card-bg);
            overflow: hidden;
        }

        .faq-list .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            background: var(--card-bg);
            box-shadow: none !important;
            padding: 18px 22px;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }

        .faq-list .accordion-button:not(.collapsed) {
            color: var(--brand-accent);
            background: #fefdf9;
        }

        .faq-list .accordion-button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }

        .faq-list .accordion-body {
            padding: 8px 22px 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(160deg, #0f1e3c 0%, #152545 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(212,168,83,0.12) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(210,218,228,0.8);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-accent {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 14px 34px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0a1525;
            color: #c8d0da;
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: #ffffff;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }

        .site-footer h5 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

        .footer-links li {
            margin-bottom: 7px;
        }

        .footer-links a {
            color: rgba(200,210,220,0.7);
            font-size: 0.86rem;
            transition: color var(--transition-fast);
            display: inline-block;
        }

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

        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(170,180,195,0.55);
            letter-spacing: 0.02em;
        }

        /* ========== 暗色背景板块 ========== */
        .dark-block {
            background: #0f1a2e;
            color: #ffffff;
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
        }

        .dark-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 60% 40%, rgba(212,168,83,0.08) 0%, transparent 55%);
            pointer-events: none;
        }

        .dark-block h2,
        .dark-block h3,
        .dark-block h4 {
            color: #ffffff;
            position: relative;
            z-index: 1;
        }

        .dark-block p {
            color: rgba(200,210,222,0.75);
            position: relative;
            z-index: 1;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            :root {
                --sidebar-width: 220px;
            }
            .hero-section h1 { font-size: 2.3rem; }
            .content-container { max-width: 800px; }
        }

        @media (max-width: 991.98px) {
            .app-sidebar.d-lg-flex {
                display: none !important;
            }
            .app-main {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .hero-section {
                padding: 48px 0 44px;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-section .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-sm {
                padding: 28px 0;
            }
            .content-container {
                padding: 0 18px;
            }
            .market-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .process-steps {
                flex-wrap: wrap;
                gap: 20px;
            }
            .process-step {
                flex: 1 1 45%;
                min-width: 140px;
            }
            .process-step:not(:last-child)::after {
                display: none;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-card {
                min-width: 130px;
                padding: 20px 14px;
            }
            .stat-card .stat-value {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
            .dark-block {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .feature-card {
                padding: 22px 18px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-section .hero-subtitle {
                font-size: 0.88rem;
            }
            .btn-accent,
            .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
                font-size: 0.9rem;
                padding: 12px 20px;
            }
            .hero-section .d-flex.gap-3 {
                flex-direction: column;
                gap: 10px !important;
            }
            .market-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .market-item {
                padding: 16px 10px;
            }
            .market-item .market-icon {
                font-size: 1.5rem;
            }
            .process-step {
                flex: 1 1 100%;
            }
            .stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .stat-card {
                min-width: auto;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .faq-list .accordion-button {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-list .accordion-body {
                padding: 6px 16px 16px;
                font-size: 0.82rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .site-footer {
                padding: 32px 0 20px;
            }
            .site-footer .row > div {
                margin-bottom: 16px;
            }
        }

        /* ========== Offcanvas 移动端菜单 ========== */
        .offcanvas-sidebar {
            background: var(--sidebar-bg);
            color: #ffffff;
            width: 260px !important;
            border-right: 1px solid rgba(255,255,255,0.06);
        }

        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 16px 18px;
        }

        .offcanvas-sidebar .offcanvas-title {
            color: #ffffff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
        }

        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
        }

        .offcanvas-sidebar .btn-close:hover {
            opacity: 1;
        }

        .offcanvas-sidebar .offcanvas-body {
            padding: 10px 12px;
        }

        .offcanvas-sidebar .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            color: var(--sidebar-text);
            font-weight: 500;
            font-size: 0.94rem;
            transition: all var(--transition-fast);
        }

        .offcanvas-sidebar .offcanvas-body a:hover {
            background: var(--sidebar-bg-hover);
            color: #e0e5ef;
        }

        .offcanvas-sidebar .offcanvas-body a.active {
            background: rgba(212,168,83,0.14);
            color: var(--sidebar-accent-light);
            font-weight: 600;
        }

        /* Focus visible for accessibility */
        a:focus-visible,
        button:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1a3055;
            --color-accent: #c8963e;
            --color-accent-hover: #b8862e;
            --color-accent-light: rgba(200, 150, 62, 0.12);
            --color-bg: #f4f5f7;
            --color-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4f5a;
            --color-text-muted: #7a7f8a;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f3;
            --color-success: #2d8a56;
            --color-warning: #d4952a;
            --sidebar-width: 260px;
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.11);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.14);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin-top: 0;
        }

        h1 {
            font-size: 2.4rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.85rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        p {
            margin-top: 0;
            margin-bottom: 0.85rem;
        }

        .text-accent {
            color: var(--color-accent) !important;
        }
        .text-muted {
            color: var(--color-text-muted) !important;
        }
        .text-secondary {
            color: var(--color-text-secondary) !important;
        }
        .fw-semibold {
            font-weight: 600;
        }

        .bg-primary-custom {
            background-color: var(--color-primary);
        }
        .bg-accent {
            background-color: var(--color-accent);
        }

        /* ============ MOBILE TOPBAR ============ */
        .mobile-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1045;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            height: 56px;
            box-shadow: var(--shadow-md);
        }
        .mobile-topbar .topbar-brand {
            display: flex;
            align-items: center;
            gap: 9px;
            color: #ffffff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.01em;
            font-family: var(--font-heading);
        }
        .mobile-topbar .brand-icon {
            font-size: 1.3rem;
            color: var(--color-accent);
        }
        .mobile-topbar .toggler-btn {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            width: 40px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }
        .mobile-topbar .toggler-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.35);
        }
        .mobile-topbar .toggler-btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ============ OFFCANVAS (MOBILE SIDEBAR) ============ */
        .offcanvas-sidebar {
            background: var(--color-primary) !important;
            color: #ffffff;
            width: 280px !important;
            border-right: 1px solid rgba(255, 255, 255, 0.08) !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 20px;
        }
        .offcanvas-sidebar .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .offcanvas-sidebar .offcanvas-title .brand-icon {
            color: var(--color-accent);
            font-size: 1.25rem;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }
        .offcanvas-sidebar .btn-close:hover {
            opacity: 1;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 12px 0;
        }
        .offcanvas-sidebar .sidebar-nav-list {
            display: flex;
            flex-direction: column;
            gap: 2px;
            padding: 0 12px;
        }
        .offcanvas-sidebar .sidebar-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(220, 225, 235, 0.85);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .offcanvas-sidebar .sidebar-nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .offcanvas-sidebar .sidebar-nav-link.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.35);
        }
        .offcanvas-sidebar .sidebar-nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        .offcanvas-sidebar .sidebar-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 14px 20px;
        }
        .offcanvas-sidebar .sidebar-info {
            padding: 8px 20px;
            font-size: 0.78rem;
            color: rgba(180, 190, 200, 0.6);
            line-height: 1.5;
        }

        /* ============ DESKTOP SIDEBAR ============ */
        .desktop-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1030;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.18);
            overflow-y: auto;
        }
        .desktop-sidebar .sidebar-header {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .desktop-sidebar .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: #ffffff;
            letter-spacing: 0.015em;
        }
        .desktop-sidebar .sidebar-brand .brand-icon {
            font-size: 1.4rem;
            color: var(--color-accent);
        }
        .desktop-sidebar .sidebar-brand-sub {
            font-size: 0.7rem;
            color: rgba(180, 190, 200, 0.5);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-top: 2px;
            padding-left: 2px;
        }
        .desktop-sidebar .sidebar-nav {
            flex: 1;
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .desktop-sidebar .sidebar-nav-link {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 15px;
            border-radius: var(--radius-sm);
            color: rgba(210, 218, 228, 0.8);
            font-weight: 500;
            font-size: 0.93rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            position: relative;
        }
        .desktop-sidebar .sidebar-nav-link:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
        }
        .desktop-sidebar .sidebar-nav-link.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 3px 14px rgba(200, 150, 62, 0.4);
        }
        .desktop-sidebar .sidebar-nav-link .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: currentColor;
            opacity: 0.5;
            flex-shrink: 0;
        }
        .desktop-sidebar .sidebar-nav-link.active .nav-dot {
            opacity: 1;
            background: #ffffff;
            box-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
        }
        .desktop-sidebar .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.72rem;
            color: rgba(160, 170, 180, 0.45);
            flex-shrink: 0;
            line-height: 1.4;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-wrapper {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .main-content {
            flex: 1;
            padding-bottom: 0;
        }
        @media (min-width: 992px) {
            .main-wrapper {
                margin-left: var(--sidebar-width);
            }
            .mobile-topbar {
                display: none !important;
            }
        }
        @media (max-width: 991.98px) {
            .desktop-sidebar {
                display: none !important;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: 56px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }

        /* ============ HERO SECTION ============ */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0a1830 0%, #0f2445 40%, #132d52 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 50px 28px 40px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            border: 1px solid rgba(200, 150, 62, 0.25);
        }
        .hero-section h1 {
            color: #ffffff;
            font-size: 2.6rem;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .hero-section .hero-subtitle {
            color: rgba(210, 220, 235, 0.85);
            font-size: 1.08rem;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 580px;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.5);
            transform: translateY(-1px);
            color: #ffffff;
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.3);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            padding: 11px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.93rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .btn-outline-light-custom:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        @media (max-width: 767.98px) {
            .hero-section {
                min-height: 340px;
            }
            .hero-section h1 {
                font-size: 1.75rem;
            }
            .hero-section .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-inner {
                padding: 36px 18px 30px;
            }
            .btn-accent,
            .btn-outline-light-custom {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
        }

        /* ============ SECTION SPACING ============ */
        .section-pad {
            padding: 56px 24px;
        }
        @media (min-width: 768px) {
            .section-pad {
                padding: 70px 32px;
            }
        }
        @media (min-width: 1200px) {
            .section-pad {
                padding: 80px 40px;
            }
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        /* ============ STRATEGY CARDS ============ */
        .strategy-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .strategy-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .strategy-card .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .strategy-card h4 {
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .strategy-card p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .strategy-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .strategy-card .card-tag {
            font-size: 0.73rem;
            padding: 4px 11px;
            border-radius: 50px;
            background: #f0f3f7;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .strategy-card.card-featured {
            border-left: 4px solid var(--color-accent);
            box-shadow: var(--shadow-md);
        }
        .strategy-card.card-featured .card-icon-wrap {
            background: var(--color-accent);
            color: #ffffff;
        }

        /* ============ IMAGE CARD ============ */
        .image-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .image-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .image-card .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .image-card .card-body-pad {
            padding: 20px 18px;
        }
        .image-card h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .image-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }

        /* ============ PROCESS STEPS ============ */
        .process-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
        }
        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.15rem;
            flex-shrink: 0;
        }
        .process-step .step-content h4 {
            margin-bottom: 4px;
            font-size: 1.05rem;
        }
        .process-step .step-content p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.6;
        }
        .process-step .step-number.step-accent {
            background: var(--color-accent);
        }

        /* ============ STATS BAR ============ */
        .stats-bar {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            color: #ffffff;
        }
        .stat-item {
            text-align: center;
            padding: 10px 8px;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: rgba(200, 210, 220, 0.75);
            margin-top: 6px;
        }

        /* ============ FAQ ACCORDION ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-white);
            box-shadow: var(--shadow-xs);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text);
            background: var(--color-white);
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: #fefdf9;
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.2);
            border-color: var(--color-accent);
        }
        .faq-accordion .accordion-body {
            padding: 16px 20px 20px;
            color: var(--color-text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition-base);
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(145deg, #0f1f3d 0%, #162d54 100%);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.1;
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(200, 210, 225, 0.8);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.65;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #0c1525;
            color: #ffffff;
            padding: 44px 24px 24px;
            margin-top: 0;
        }
        .site-footer .content-container {
            max-width: 960px;
            margin: 0 auto;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .site-footer h5 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .site-footer .footer-links a {
            color: rgba(180, 190, 200, 0.7);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 28px;
            padding-top: 16px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(160, 170, 180, 0.5);
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding: 32px 16px 20px;
            }
        }

        /* ============ UTILITY ============ */
        .gap-3-custom {
            gap: 1rem;
        }
        .max-w-800 {
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .divider-light {
            border-top: 1px solid var(--color-border-light);
            margin: 0;
        }

        /* ============ RESPONSIVE FINE-TUNING ============ */
        @media (max-width: 575.98px) {
            .section-pad {
                padding: 40px 14px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .strategy-card {
                padding: 20px 15px;
            }
            .cta-section {
                padding: 32px 16px;
                border-radius: var(--radius-lg);
            }
            .stats-bar {
                padding: 24px 14px;
                border-radius: var(--radius-md);
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .process-step {
                gap: 12px;
            }
            .process-step .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0b1a2e;
            --primary-light: #132a45;
            --primary-lighter: #1a3555;
            --accent: #c9a050;
            --accent-hover: #b8903f;
            --accent-light: #e8d5a8;
            --accent-bg: #fdf8f0;
            --bg: #ffffff;
            --bg-light: #f5f6f9;
            --bg-lighter: #fafbfc;
            --text: #1a1c28;
            --text-secondary: #3d4048;
            --text-muted: #6c717a;
            --text-light: #9298a2;
            --border: #e2e5ea;
            --border-light: #eef0f3;
            --radius: 10px;
            --radius-sm: 6px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-xs: 0 1px 3px rgba(11, 26, 46, 0.04);
            --shadow-sm: 0 2px 8px rgba(11, 26, 46, 0.06);
            --shadow: 0 4px 18px rgba(11, 26, 46, 0.08);
            --shadow-md: 0 8px 30px rgba(11, 26, 46, 0.11);
            --shadow-lg: 0 14px 44px rgba(11, 26, 46, 0.15);
            --sidebar-width: 262px;
            --topbar-height: 58px;
            --transition-fast: 0.18s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

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

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

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg-light);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ SIDEBAR (Desktop) ============ */
        .desktop-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            z-index: 1030;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 3px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
        }
        .desktop-sidebar .sidebar-brand {
            padding: 26px 22px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .desktop-sidebar .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .desktop-sidebar .sidebar-brand .brand-text {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .desktop-sidebar .sidebar-nav {
            flex: 1;
            padding: 14px 12px;
            display: flex;
            flex-direction: column;
            gap: 3px;
        }
        .desktop-sidebar .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            color: rgba(220, 225, 235, 0.82);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .desktop-sidebar .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.7;
        }
        .desktop-sidebar .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }
        .desktop-sidebar .sidebar-nav a.active {
            background: var(--accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(201, 160, 80, 0.35);
        }
        .desktop-sidebar .sidebar-nav a.active i {
            opacity: 1;
        }
        .desktop-sidebar .sidebar-footer-note {
            padding: 16px 22px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            flex-shrink: 0;
        }
        .desktop-sidebar .sidebar-footer-note span {
            font-size: 0.75rem;
            color: rgba(180, 190, 205, 0.5);
            letter-spacing: 0.02em;
        }

        /* ============ MAIN CONTENT AREA ============ */
        .main-content-area {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ============ MOBILE TOPBAR ============ */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--primary);
            z-index: 1025;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar .topbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
        }
        .mobile-topbar .topbar-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #fff;
        }
        .mobile-topbar .toggler-btn {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }
        .mobile-topbar .toggler-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.35);
        }

        /* Offcanvas sidebar (mobile) */
        .offcanvas-sidebar {
            background: var(--primary) !important;
            width: 270px !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 16px;
        }
        .offcanvas-sidebar .offcanvas-title {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 10px 12px;
        }
        .offcanvas-sidebar .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(220, 225, 235, 0.82);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .offcanvas-sidebar .offcanvas-body a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .offcanvas-sidebar .offcanvas-body a.active {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
        }

        /* ============ HERO ============ */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, var(--primary) 0%, #0f2440 40%, #162d4a 100%);
            padding: 64px 0 56px;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 440px;
            height: 440px;
            border-radius: 50%;
            background: rgba(201, 160, 80, 0.07);
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.02);
        }
        .category-hero .hero-inner {
            position: relative;
            z-index: 1;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(201, 160, 80, 0.18);
            color: var(--accent-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }
        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }
        .category-hero .hero-subtitle {
            font-size: 1.08rem;
            color: rgba(210, 218, 230, 0.8);
            max-width: 580px;
            line-height: 1.6;
            margin-bottom: 28px;
        }
        .category-hero .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ============ BUTTONS ============ */
        .btn-accent {
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            box-shadow: 0 3px 14px rgba(201, 160, 80, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 6px 22px rgba(201, 160, 80, 0.4);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(201, 160, 80, 0.3);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: rgba(255, 255, 255, 0.9);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.55);
            color: #fff;
        }
        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 1.5px solid var(--accent);
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-outline-accent:hover {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 3px 14px rgba(201, 160, 80, 0.3);
        }

        /* ============ SECTION COMMON ============ */
        .section-block {
            padding: 52px 0;
        }
        .section-block.bg-white {
            background: var(--bg);
        }
        .section-block.bg-light {
            background: var(--bg-light);
        }
        .section-block.bg-lighter {
            background: var(--bg-lighter);
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.6;
            margin-bottom: 32px;
        }

        /* ============ STEP CARDS ============ */
        .step-card {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all var(--transition);
            height: 100%;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .step-card .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .step-card h4 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.55;
        }

        /* ============ FEATURE LIST ============ */
        .feature-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .feature-list-item:last-child {
            border-bottom: none;
        }
        .feature-list-item .feature-icon-wrap {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--accent);
            font-size: 1rem;
        }
        .feature-list-item .feature-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 3px;
        }
        .feature-list-item .feature-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ============ GUIDE CARDS (PHP block) ============ */
        .guide-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .guide-card .guide-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .guide-card .guide-card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .guide-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .guide-card .guide-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 14px;
            flex: 1;
        }
        .guide-card .guide-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .guide-card .guide-card-link:hover {
            gap: 8px;
            color: var(--accent-hover);
        }

        /* ============ SCENARIO CARDS ============ */
        .scenario-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .scenario-card .scenario-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: var(--accent);
        }
        .scenario-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 5px;
        }
        .scenario-card p {
            font-size: 0.84rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ============ FAQ ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            padding: 16px 20px;
            background: var(--bg);
            box-shadow: none;
            border-radius: var(--radius) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--accent-bg);
            color: var(--text);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 160, 80, 0.15);
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition);
        }
        .faq-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--text-muted);
            padding: 6px 20px 18px;
            line-height: 1.6;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: linear-gradient(150deg, var(--primary) 0%, #0f2440 50%, #162d4a 100%);
            padding: 52px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 160, 80, 0.06);
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: rgba(210, 218, 230, 0.75);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--primary);
            color: rgba(220, 225, 235, 0.75);
            padding: 40px 0 22px;
            font-size: 0.88rem;
            margin-top: auto;
            flex-shrink: 0;
        }
        .site-footer .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 5px;
        }
        .site-footer .footer-links a {
            color: rgba(200, 210, 220, 0.65);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--accent-light);
        }
        .site-footer .footer-bottom {
            margin-top: 24px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.78rem;
            color: rgba(180, 190, 205, 0.45);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199.98px) {
            :root {
                --sidebar-width: 240px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.55rem;
            }
        }
        @media (max-width: 991.98px) {
            .desktop-sidebar {
                display: none !important;
            }
            .main-content-area {
                margin-left: 0 !important;
                padding-top: var(--topbar-height);
            }
            .mobile-topbar {
                display: flex;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .step-card {
                padding: 20px 16px;
            }
            .guide-card .guide-card-img {
                height: 150px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 767.98px) {
            .content-container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.88rem;
            }
            .category-hero .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .category-hero .hero-cta-group .btn-accent,
            .category-hero .hero-cta-group .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
            }
            .section-block {
                padding: 28px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .section-desc {
                font-size: 0.88rem;
            }
            .step-card .step-number {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
            .step-card h4 {
                font-size: 0.95rem;
            }
            .guide-card .guide-card-img {
                height: 160px;
            }
            .cta-section {
                padding: 36px 0;
            }
            .cta-section h3 {
                font-size: 1.25rem;
            }
            .site-footer {
                padding: 28px 0 16px;
                font-size: 0.82rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .step-card {
                padding: 16px 14px;
            }
            .scenario-card {
                padding: 18px 14px;
            }
            .guide-card .guide-card-img {
                height: 140px;
            }
            .offcanvas-sidebar {
                width: 260px !important;
            }
        }