/* roulang page: index */
:root {
            --color-primary: #1a3550;
            --color-primary-dark: #0f2338;
            --color-primary-light: #264a6e;
            --color-accent: #c8893a;
            --color-accent-hover: #d99d4f;
            --color-accent-light: #f5e6d3;
            --color-teal: #3a9d94;
            --color-teal-light: #e8f5f4;
            --color-bg: #f6f5f2;
            --color-bg-alt: #edebe6;
            --color-white: #ffffff;
            --color-text: #1a1a1a;
            --color-text-secondary: #5c5c5c;
            --color-text-muted: #8a8a8a;
            --color-border: #e0ddd7;
            --color-border-light: #eeebe6;
            --color-success: #4a9e6b;
            --color-warning: #d4943a;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 26px;
            --shadow-xs: 0 1px 3px rgba(15, 35, 56, 0.06);
            --shadow-sm: 0 3px 12px rgba(15, 35, 56, 0.08);
            --shadow-md: 0 8px 28px rgba(15, 35, 56, 0.12);
            --shadow-lg: 0 16px 48px rgba(15, 35, 56, 0.16);
            --shadow-xl: 0 24px 64px rgba(15, 35, 56, 0.2);
            --sidebar-width: 260px;
            --sidebar-collapsed: 72px;
            --header-mobile-height: 60px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        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;
        }

        .app-wrapper {
            display: flex;
            min-height: 100vh;
            position: relative;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #d0d8e0;
            display: flex;
            flex-direction: column;
            z-index: 1040;
            transition: transform var(--transition-slow), box-shadow var(--transition-normal);
            box-shadow: 4px 0 32px rgba(15, 35, 56, 0.25);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-header {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }
        .sidebar-logo {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.04em;
            display: block;
            line-height: 1;
            margin-bottom: 6px;
        }
        .sidebar-logo:hover {
            color: var(--color-accent-hover);
        }
        .sidebar-tagline {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.06em;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .sidebar-nav a:hover i {
            opacity: 1;
        }
        .sidebar-nav a.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(200, 137, 58, 0.35);
        }
        .sidebar-nav a.active i {
            opacity: 1;
            color: #ffffff;
        }

        .sidebar-footer {
            padding: 16px 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }
        .sidebar-cta {
            display: block;
            width: 100%;
            padding: 11px 16px;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .sidebar-cta:hover {
            background: var(--color-accent-hover);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(200, 137, 58, 0.4);
            transform: translateY(-1px);
        }
        .sidebar-contact-info {
            margin-top: 14px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
            line-height: 1.5;
        }

        /* ========== MOBILE HEADER ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-primary);
            color: #ffffff;
            z-index: 1035;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
            box-shadow: 0 2px 16px rgba(15, 35, 56, 0.2);
        }
        .mobile-header-logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
        }
        .mobile-header-logo:hover {
            color: var(--color-accent-hover);
        }
        .mobile-toggle {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.5rem;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .mobile-toggle:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* Offcanvas override */
        .offcanvas-sidebar {
            background: var(--color-primary) !important;
            color: #d0d8e0 !important;
            width: var(--sidebar-width) !important;
            border-right: none !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 20px 16px;
        }
        .offcanvas-sidebar .offcanvas-title {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(3);
            opacity: 0.8;
        }
        .offcanvas-sidebar .btn-close:hover {
            opacity: 1;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 12px 12px 20px;
            display: flex;
            flex-direction: column;
        }
        .offcanvas-sidebar .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .offcanvas-sidebar .offcanvas-body a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .offcanvas-sidebar .offcanvas-body a.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
        }
        .offcanvas-sidebar .offcanvas-body a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
        }
        .offcanvas-sidebar .offcanvas-footer-mobile {
            margin-top: auto;
            padding: 16px 12px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .offcanvas-sidebar .sidebar-cta {
            width: 100%;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--color-bg);
            transition: margin-left var(--transition-slow);
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            color: #ffffff;
            padding: 80px 56px 90px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15, 35, 56, 0.85) 0%, rgba(26, 53, 80, 0.7) 40%, rgba(15, 35, 56, 0.82) 100%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 780px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #ffffff;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 7px 18px;
            border-radius: 50px;
            margin-bottom: 22px;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            line-height: 1.7;
            opacity: 0.9;
            margin-bottom: 30px;
            font-weight: 400;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            box-shadow: 0 6px 22px rgba(200, 137, 58, 0.4);
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-hover);
            color: #ffffff;
            box-shadow: 0 10px 32px rgba(200, 137, 58, 0.55);
            transform: translateY(-2px);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 11px 26px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
        }
        .btn-hero-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* ========== SECTION COMMONS ========== */
        .section-block {
            padding: 64px 56px;
        }
        .section-block-alt {
            background: var(--color-white);
        }
        .section-block-dark {
            background: var(--color-primary);
            color: #ffffff;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
            color: var(--color-text);
        }
        .section-block-dark .section-title {
            color: #ffffff;
        }
        .section-desc {
            color: var(--color-text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 600px;
            margin-bottom: 32px;
        }
        .section-block-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .stat-number .plus {
            color: var(--color-accent);
            font-size: 1.6rem;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .advantage-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px 26px 28px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: transparent;
        }
        .advantage-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            transition: all var(--transition-normal);
        }
        .advantage-card:hover .advantage-icon {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 8px 24px rgba(200, 137, 58, 0.35);
        }
        .advantage-card h4 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .advantage-card p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== CATEGORY ENTRY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-grid.five-col {
            grid-template-columns: repeat(5, 1fr);
        }
        .category-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: pointer;
            display: block;
            color: inherit;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: transparent;
            color: inherit;
        }
        .category-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 18px 18px 20px;
        }
        .category-card-body h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .category-card-body p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .category-card .card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: 10px;
            transition: gap var(--transition-fast);
        }
        .category-card:hover .card-arrow {
            gap: 10px;
        }

        /* ========== BRAND STORY ========== */
        .brand-story-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-story-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .brand-story-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-slow);
        }
        .brand-story-image:hover img {
            transform: scale(1.03);
        }
        .brand-story-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--color-text);
        }
        .brand-story-text p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 0.98rem;
        }
        .brand-story-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 16px;
        }
        .highlight-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            padding: 7px 15px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .testimonial-quote {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 18px;
            border-left: 3px solid var(--color-accent);
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-fast);
            color: var(--color-text-secondary);
        }
        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: #ffffff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 22px;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ========== NEWS LIST ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .news-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .news-card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .news-card-body h5 {
            font-family: var(--font-heading);
            font-size: 1.02rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .btn-read-more:hover {
            gap: 9px;
            color: var(--color-accent-hover);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            color: #ffffff;
            text-align: center;
            padding: 60px 40px;
            border-radius: var(--radius-lg);
            margin: 0 56px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-content p {
            opacity: 0.85;
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #ffffff;
            border: none;
            padding: 14px 34px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            box-shadow: 0 8px 28px rgba(200, 137, 58, 0.5);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-hover);
            color: #ffffff;
            box-shadow: 0 12px 36px rgba(200, 137, 58, 0.6);
            transform: translateY(-3px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 56px 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            opacity: 0.8;
        }
        .footer-col h6 {
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-hover);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.7;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-hover);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid.five-col {
                grid-template-columns: repeat(3, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-block {
                padding: 48px 36px;
            }
            .hero-section {
                padding: 60px 36px;
            }
            .cta-section {
                margin: 0 36px 40px;
            }
            .brand-story-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.show-mobile {
                transform: translateX(0);
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: var(--header-mobile-height);
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-grid.five-col {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding: 40px 22px;
            }
            .hero-section {
                padding: 50px 22px;
                min-height: 400px;
            }
            .cta-section {
                margin: 0 22px 32px;
                padding: 40px 24px;
            }
            .site-footer {
                padding: 36px 22px 20px;
            }
        }

        @media (max-width: 640px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-grid,
            .category-grid.five-col {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-block {
                padding: 32px 14px;
            }
            .hero-section {
                padding: 40px 14px;
                min-height: 350px;
            }
            .cta-section {
                margin: 0 14px 24px;
                padding: 32px 16px;
            }
            .cta-content h3 {
                font-size: 1.4rem;
            }
            .site-footer {
                padding: 28px 14px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-story-wrapper {
                gap: 20px;
            }
            .brand-story-image img {
                height: 240px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .category-card-img {
                height: 140px;
            }
            .news-card-img {
                height: 160px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.85rem;
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-primary: #1e3a5f;
            --brand-accent: #c8963e;
            --brand-highlight: #2196f3;
            --brand-deep: #0f2440;
            --text-primary: #1a1a1a;
            --text-secondary: #5a6270;
            --text-muted: #8b919e;
            --bg-page: #f6f7f9;
            --bg-card: #ffffff;
            --bg-soft: #eef1f6;
            --border-light: #e2e5ea;
            --border-card: #e8eaef;
            --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);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --sidebar-width: 260px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-page);
            min-height: 100vh;
            -webkit-tap-highlight-color: transparent;
        }

        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 {
            font-family: inherit;
            cursor: pointer;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.35;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 0;
        }

        .page-wrapper {
            display: flex;
            min-height: 100vh;
        }
        .main-content-wrapper {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .main-content-inner {
            flex: 1;
        }

        /* ============ SIDEBAR / OFFCANVAS ============ */
        #sidebarNav {
            width: var(--sidebar-width);
            background: #fff;
            border-right: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            z-index: 1045;
            box-shadow: var(--shadow-sm);
        }
        #sidebarNav .offcanvas-header {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        #sidebarNav .offcanvas-header .sidebar-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--brand-primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        #sidebarNav .offcanvas-header .sidebar-logo .logo-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--brand-accent);
            flex-shrink: 0;
        }
        #sidebarNav .offcanvas-body {
            padding: 1rem 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
            padding: 0 0.75rem;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: var(--bg-soft);
            color: var(--brand-primary);
        }
        .sidebar-nav a.active {
            background: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(30, 58, 95, 0.3);
        }
        .sidebar-nav a.active i {
            color: #fff;
        }
        .sidebar-badge {
            display: inline-block;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 20px;
            background: var(--brand-accent);
            color: #fff;
            font-weight: 600;
            margin-left: auto;
            line-height: 1.4;
        }
        .sidebar-footer-note {
            margin-top: auto;
            padding: 1rem 1.5rem;
            font-size: 0.78rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            text-align: center;
        }

        /* ============ MOBILE HEADER ============ */
        .mobile-header {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 0.75rem 1rem;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: var(--shadow-sm);
        }
        .mobile-header .mobile-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mobile-header .mobile-logo .logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-accent);
        }
        .mobile-header .btn-menu-toggle {
            border: none;
            background: transparent;
            font-size: 1.4rem;
            color: var(--text-primary);
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-header .btn-menu-toggle:hover {
            background: var(--bg-soft);
        }

        /* ============ SECTIONS ============ */
        .section-block {
            padding: 3.5rem 0;
        }
        .section-block-sm {
            padding: 2.5rem 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 0.5rem;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--brand-accent);
            border-radius: 2px;
            margin-top: 8px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 600px;
        }

        /* ============ BANNER ============ */
        .insight-banner {
            position: relative;
            background: var(--brand-deep) url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .insight-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 36, 64, 0.88) 0%, rgba(30, 58, 95, 0.78) 50%, rgba(15, 36, 64, 0.85) 100%);
            z-index: 1;
        }
        .insight-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 3rem 2rem;
            max-width: 700px;
        }
        .insight-banner .banner-badge {
            display: inline-block;
            background: var(--brand-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 1rem;
        }
        .insight-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .insight-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            max-width: 550px;
        }

        /* ============ STAT CARDS ============ */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 1.75rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-card);
            transition: all var(--transition-base);
            height: 100%;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-card .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 0.75rem;
            font-size: 1.4rem;
            background: var(--bg-soft);
            color: var(--brand-primary);
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.1;
            margin-bottom: 0.3rem;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .stat-card .stat-suffix {
            font-size: 1rem;
            font-weight: 600;
            color: var(--brand-accent);
        }

        /* ============ REPORT CARDS ============ */
        .report-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-card);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .report-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: var(--brand-accent);
        }
        .report-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-soft);
        }
        .report-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .report-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .report-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            z-index: 1;
        }
        .report-card .card-body-custom {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .report-card .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
        }
        .report-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .report-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 1rem;
        }
        .report-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--brand-highlight);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .report-card .card-link:hover {
            gap: 8px;
            color: var(--brand-accent);
        }

        /* ============ TREND LIST ============ */
        .trend-list-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }
        .trend-list-item:last-child {
            border-bottom: none;
        }
        .trend-list-item .trend-img {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-soft);
        }
        .trend-list-item .trend-info {
            flex: 1;
        }
        .trend-list-item .trend-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: #e8f0fb;
            color: var(--brand-highlight);
            margin-bottom: 4px;
        }
        .trend-list-item h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }
        .trend-list-item .trend-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ============ TOOLS CARDS ============ */
        .tool-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-highlight);
            transform: translateY(-3px);
        }
        .tool-card .tool-icon {
            font-size: 2rem;
            color: var(--brand-accent);
            margin-bottom: 0.75rem;
        }
        .tool-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .tool-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ============ CTA BLOCK ============ */
        .cta-block {
            position: relative;
            background: var(--brand-deep) url('assets/images/backpic/back-3.webp') center / cover no-repeat;
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: 3rem 2rem;
            text-align: center;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 36, 64, 0.82);
            z-index: 1;
        }
        .cta-block .cta-inner {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .cta-block h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .cta-block .cta-desc {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.75rem;
            font-size: 1rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-block .btn-cta-primary {
            display: inline-block;
            background: var(--brand-accent);
            color: #fff;
            padding: 0.75rem 2.25rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
        }
        .cta-block .btn-cta-primary:hover {
            background: #d9a243;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.5);
            color: #fff;
        }

        /* ============ FAQ ============ */
        .faq-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            background: #fff;
            overflow: hidden;
            transition: box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 1rem 1.25rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: var(--text-primary);
        }
        .faq-item .faq-question .faq-icon {
            transition: transform var(--transition-base);
            color: var(--brand-accent);
            flex-shrink: 0;
            margin-left: 0.75rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 1.25rem 1rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2rem;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-footer .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--brand-primary);
            margin-bottom: 0.5rem;
        }
        .site-footer .footer-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .site-footer h6 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .site-footer ul li {
            margin-bottom: 0.45rem;
        }
        .site-footer ul li a,
        .site-footer ul li span {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--brand-accent);
        }
        .site-footer ul li i {
            width: 18px;
            text-align: center;
            margin-right: 4px;
            color: var(--brand-accent);
        }
        .site-footer .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid var(--border-light);
            font-size: 0.82rem;
            color: var(--text-muted);
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ============ RESPONSIVE ============ */
        @media (min-width: 992px) {
            #sidebarNav {
                position: relative !important;
                transform: none !important;
                visibility: visible !important;
                top: 0 !important;
                left: 0 !important;
                height: 100vh;
                width: var(--sidebar-width) !important;
                flex-shrink: 0;
                border-right: 1px solid var(--border-light);
            }
            #sidebarNav .offcanvas-header {
                display: flex;
            }
            #sidebarNav .offcanvas-header .btn-close {
                display: none;
            }
            .page-wrapper {
                display: flex;
            }
            .main-content-wrapper {
                height: 100vh;
                overflow-y: auto;
                flex: 1;
                min-width: 0;
            }
            .mobile-header {
                display: none !important;
            }
            .offcanvas-backdrop {
                display: none !important;
            }
            body {
                overflow: hidden;
            }
        }
        @media (max-width: 991.98px) {
            #sidebarNav {
                position: fixed;
                top: 0;
                left: 0;
                height: 100vh;
                width: 280px;
                transform: translateX(-100%);
                visibility: hidden;
                transition: transform 0.3s ease, visibility 0.3s ease;
                z-index: 1050;
            }
            #sidebarNav.show {
                transform: translateX(0);
                visibility: visible;
            }
            #sidebarNav .offcanvas-header .btn-close {
                display: block;
            }
            .page-wrapper {
                display: block;
            }
            .main-content-wrapper {
                height: auto;
                overflow-y: visible;
            }
            .mobile-header {
                display: flex;
            }
            .insight-banner {
                min-height: 280px;
            }
            .insight-banner h1 {
                font-size: 1.8rem;
            }
            .insight-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .cta-block h3 {
                font-size: 1.4rem;
            }
            .trend-list-item .trend-img {
                width: 70px;
                height: 60px;
            }
        }
        @media (max-width: 575.98px) {
            .insight-banner {
                min-height: 240px;
            }
            .insight-banner h1 {
                font-size: 1.5rem;
            }
            .insight-banner .banner-desc {
                font-size: 0.85rem;
            }
            .insight-banner .banner-content {
                padding: 2rem 1rem;
            }
            .section-block {
                padding: 2rem 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .report-card h4 {
                font-size: 1rem;
            }
            .stat-card {
                padding: 1.25rem 1rem;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .cta-block {
                padding: 2rem 1rem;
                border-radius: var(--radius-lg);
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .trend-list-item {
                flex-direction: column;
                gap: 0.5rem;
            }
            .trend-list-item .trend-img {
                width: 100%;
                height: 140px;
            }
            .faq-item .faq-question {
                font-size: 0.88rem;
                padding: 0.85rem 1rem;
            }
            .faq-item .faq-answer {
                padding: 0 1rem 0.85rem;
                font-size: 0.82rem;
            }
        }

/* roulang page: category4 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1a3550;
            --primary-light: #264a6b;
            --primary-dark: #0f2236;
            --accent: #c8934a;
            --accent-light: #d9a963;
            --accent-dark: #a87935;
            --bg: #f7f8fa;
            --bg-alt: #eef1f5;
            --card-bg: #ffffff;
            --text: #2c3e50;
            --text-heading: #1a2d3d;
            --text-muted: #6b7d8e;
            --text-light: #94a3b3;
            --border: #e2e7ed;
            --border-light: #eef2f6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(26, 53, 80, 0.06);
            --shadow: 0 2px 16px rgba(26, 53, 80, 0.08);
            --shadow-md: 0 4px 24px rgba(26, 53, 80, 0.10);
            --shadow-lg: 0 8px 36px rgba(26, 53, 80, 0.13);
            --shadow-xl: 0 12px 48px rgba(26, 53, 80, 0.16);
            --sidebar-width: 260px;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            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,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-heading);
            margin-bottom: 0.5em;
        }

        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.95rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        p {
            margin-bottom: 0.75rem;
        }

        /* ============ 移动端顶部导航（<992px 显示） ============ */
        .mobile-navbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--primary);
            height: 56px;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }

        .mobile-navbar .brand-mobile {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .mobile-navbar .brand-mobile .accent-dot {
            color: var(--accent-light);
            margin: 0 2px;
        }

        .mobile-navbar .menu-toggle {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 6px 10px;
            cursor: pointer;
            margin-left: auto;
            transition: color var(--transition-fast);
            border-radius: 6px;
        }

        .mobile-navbar .menu-toggle:hover {
            color: var(--accent-light);
            background: rgba(255, 255, 255, 0.08);
        }

        /* 移动端 offcanvas 自定义 */
        .offcanvas-mobile {
            background: var(--primary);
            color: #ffffff;
            width: 280px !important;
        }

        .offcanvas-mobile .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            padding: 16px 20px;
        }

        .offcanvas-mobile .offcanvas-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            letter-spacing: 0.03em;
        }

        .offcanvas-mobile .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }

        .offcanvas-mobile .offcanvas-body {
            padding: 12px 0;
        }

        .offcanvas-mobile .sidebar-nav-mobile a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 20px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            letter-spacing: 0.02em;
        }

        .offcanvas-mobile .sidebar-nav-mobile a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.07);
            border-left-color: var(--accent-light);
        }

        .offcanvas-mobile .sidebar-nav-mobile a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.11);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .offcanvas-mobile .sidebar-nav-mobile a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
        }

        /* ============ 整体布局 ============ */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        /* ============ 左侧 Sidebar（桌面端） ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary);
            color: #ffffff;
            z-index: 100;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
        }

        .sidebar::-webkit-scrollbar {
            width: 5px;
        }

        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
        }

        .sidebar-brand {
            padding: 24px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.55rem;
            letter-spacing: 0.04em;
            color: #ffffff;
            line-height: 1.2;
            display: block;
        }

        .sidebar-brand .brand-name .accent-dot {
            color: var(--accent-light);
        }

        .sidebar-brand .brand-tagline {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        .sidebar-nav {
            flex: 1;
            padding: 10px 0;
            display: flex;
            flex-direction: column;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 13px;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            letter-spacing: 0.02em;
            white-space: nowrap;
            position: relative;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.88rem;
            flex-shrink: 0;
        }

        .sidebar-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(255, 255, 255, 0.3);
        }

        .sidebar-nav a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.10);
            border-left-color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .sidebar-nav a.active::after {
            content: '';
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-light);
        }

        .sidebar-footer-note {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
            flex-shrink: 0;
            letter-spacing: 0.02em;
            line-height: 1.5;
        }

        /* ============ 主内容区 ============ */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--bg);
        }

        /* ============ 板块通用样式 ============ */
        .section-block {
            padding: 64px 0;
        }

        .section-block-alt {
            background: var(--bg-alt);
            padding: 64px 0;
        }

        .section-block-white {
            background: #ffffff;
            padding: 64px 0;
        }

        .container-custom {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-custom-wide {
            max-width: 1040px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 640px;
            line-height: 1.65;
        }

        /* ============ Banner/Hero ============ */
        .page-banner {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(15, 34, 54, 0.88) 0%,
                    rgba(26, 53, 80, 0.78) 40%,
                    rgba(38, 74, 107, 0.65) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
            width: 100%;
        }

        .banner-content .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #ffffff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .banner-content h1 {
            color: #ffffff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            line-height: 1.25;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .banner-content .banner-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 600px;
            line-height: 1.7;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
        }

        /* ============ 故事卡片 ============ */
        .story-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .story-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d5dce5;
        }

        .story-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8ecf1;
        }

        .story-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .story-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .story-card .card-img-wrap .story-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .story-card .card-body-custom {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .story-card .card-body-custom h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-heading);
            line-height: 1.4;
        }

        .story-card .card-body-custom .story-excerpt {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .story-card .story-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-light);
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .story-card .story-meta .meta-icon {
            color: var(--accent);
            font-size: 0.75rem;
        }

        /* ============ 评价卡片 ============ */
        .testimonial-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            transition: all var(--transition);
            height: 100%;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-icon {
            font-size: 2.6rem;
            color: var(--accent);
            opacity: 0.25;
            position: absolute;
            top: 16px;
            right: 22px;
            line-height: 1;
        }

        .testimonial-card .stars {
            color: #f0ad4e;
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-info .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-heading);
        }

        .testimonial-card .author-info .author-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============ 统计数字 ============ */
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-number .accent {
            color: var(--accent);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .stat-card .stat-detail {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 4px;
        }

        /* ============ 按钮 ============ */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            font-weight: 600;
            font-size: 0.93rem;
            letter-spacing: 0.03em;
            border-radius: 28px;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(200, 147, 74, 0.3);
        }

        .btn-primary-custom:hover {
            background: var(--accent-dark);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(200, 147, 74, 0.4);
            transform: translateY(-1px);
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary-light);
        }

        .btn-outline-custom:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-white-custom {
            background: #ffffff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-white-custom:hover {
            background: #f0f3f6;
            color: var(--primary-dark);
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }

        .btn-lg-custom {
            padding: 14px 32px;
            font-size: 1rem;
            border-radius: 30px;
        }

        /* ============ 标签/徽章 ============ */
        .tag-pill {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 18px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: #eef3f8;
            color: var(--primary-light);
            transition: all var(--transition-fast);
        }

        .tag-pill.accent {
            background: #fdf6ed;
            color: var(--accent-dark);
        }

        .tag-pill:hover {
            background: #dde5ef;
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: #d0d8e0;
            box-shadow: var(--shadow-sm);
        }

        .faq-item .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            letter-spacing: 0.02em;
        }

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition);
            color: var(--accent);
            font-size: 0.85rem;
        }

        .faq-item .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        /* ============ CTA 区域 ============ */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-block h2 {
            color: #ffffff;
            font-size: 1.8rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.02rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .cta-block .btn-wrap {
            position: relative;
            z-index: 1;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            max-width: 1040px;
            margin: 0 auto;
            padding: 0 28px 36px;
        }

        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #ffffff;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.65;
        }

        .footer-col h6 {
            color: #ffffff;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 16px 28px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        /* ============ 响应式设计 ============ */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 240px;
            }

            .container-custom,
            .container-custom-wide {
                padding: 0 20px;
            }

            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }

            .banner-content h1 {
                font-size: 2.3rem;
            }

            .section-block,
            .section-block-alt,
            .section-block-white {
                padding: 48px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                display: none;
            }

            .mobile-navbar {
                display: flex;
            }

            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }

            .container-custom,
            .container-custom-wide {
                padding: 0 16px;
            }

            h1 {
                font-size: 1.85rem;
            }
            h2 {
                font-size: 1.5rem;
            }

            .banner-content h1 {
                font-size: 1.9rem;
            }

            .banner-content .banner-desc {
                font-size: 0.95rem;
            }

            .page-banner {
                min-height: 280px;
            }

            .section-block,
            .section-block-alt,
            .section-block-white {
                padding: 36px 0;
            }

            .story-card .card-body-custom {
                padding: 16px;
            }

            .cta-block {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-block h2 {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 0 16px 28px;
            }

            .stat-card .stat-number {
                font-size: 2rem;
            }

            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .banner-content h1 {
                font-size: 1.6rem;
            }

            .page-banner {
                min-height: 240px;
            }

            .section-block,
            .section-block-alt,
            .section-block-white {
                padding: 28px 0;
            }

            .story-card .card-body-custom h3 {
                font-size: 1.1rem;
            }

            .testimonial-card {
                padding: 20px 16px;
            }

            .btn-custom {
                padding: 10px 18px;
                font-size: 0.85rem;
            }

            .btn-lg-custom {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .stat-card {
                padding: 20px 14px;
            }

            .stat-card .stat-number {
                font-size: 1.7rem;
            }

            .container-custom,
            .container-custom-wide {
                padding: 0 12px;
            }
        }

        /* ============ 辅助工具类 ============ */
        .text-accent {
            color: var(--accent);
        }
        .text-muted-custom {
            color: var(--text-muted);
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-auto {
            margin-top: auto;
        }
        .gap-3 {
            gap: 1rem;
        }
        .gap-4 {
            gap: 1.5rem;
        }
        .fw-700 {
            font-weight: 700;
        }
        .fw-800 {
            font-weight: 800;
        }

        /* 平滑过渡 */
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 分隔线 */
        .divider-custom {
            width: 50px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 8px 0 20px;
        }

        /* 故事列表序号装饰 */
        .story-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

/* roulang page: category5 */
:root {
            --primary: #1a365d;
            --primary-light: #264f7a;
            --primary-dark: #0f2240;
            --accent: #c8963e;
            --accent-light: #d4a855;
            --accent-dark: #a67a2e;
            --bg: #f4f5f7;
            --bg-alt: #eef0f3;
            --card-bg: #ffffff;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #eef1f5;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 44px rgba(0, 0, 0, 0.12);
            --sidebar-width: 260px;
            --sidebar-collapsed: 0px;
            --header-mobile-height: 60px;
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            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,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--primary-dark);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }
        h1 {
            font-size: 2.2rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.7rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, #0f2240 0%, #1a365d 40%, #1a365d 100%);
            color: #ffffff;
            z-index: 1040;
            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-slow);
            border-right: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar::-webkit-scrollbar {
            width: 3px;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 6px;
        }

        .sidebar-brand {
            padding: 22px 20px 18px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-logo {
            font-size: 1.55rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-brand .brand-logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .sidebar-brand .brand-tagline {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        .sidebar-nav {
            flex: 1;
            padding: 12px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 22px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            letter-spacing: 0.01em;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.50);
            transition: color var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
            border-left-color: rgba(255, 255, 255, 0.3);
        }
        .sidebar-nav a:hover i {
            color: var(--accent-light);
        }
        .sidebar-nav a.active {
            background: rgba(200, 150, 62, 0.18);
            color: #ffffff;
            border-left-color: var(--accent);
            font-weight: 600;
        }
        .sidebar-nav a.active i {
            color: var(--accent);
        }
        .sidebar-nav a.active::after {
            content: '';
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .sidebar-footer-note {
            padding: 16px 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.40);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-slow);
        }

        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1080;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #ffffff;
            border: none;
            cursor: pointer;
            font-size: 1.2rem;
            box-shadow: var(--shadow-lg);
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }
        .mobile-nav-toggle:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-xl);
        }
        .mobile-nav-toggle:active {
            transform: scale(0.94);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1035;
            opacity: 0;
            transition: opacity var(--transition-slow);
            pointer-events: none;
        }
        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .section-block {
            padding: 56px 0;
        }
        .section-block-sm {
            padding: 36px 0;
        }
        .section-block-lg {
            padding: 72px 0;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent);
            margin-bottom: 8px;
            background: rgba(200, 150, 62, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header .section-desc {
            color: var(--text-light);
            font-size: 0.95rem;
            max-width: 620px;
        }

        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 34, 64, 0.88) 0%, rgba(26, 54, 93, 0.82) 60%, rgba(38, 79, 122, 0.78) 100%), url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 70px 48px;
            color: #ffffff;
            border-radius: 0;
            margin: 0;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .hero-banner .hero-content {
            max-width: 700px;
        }
        .hero-banner .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.05em;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .hero-banner h1 {
            color: #ffffff;
            font-size: 2.5rem;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .hero-banner .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 580px;
        }
        .hero-banner .hero-meta {
            display: flex;
            gap: 24px;
            margin-top: 18px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .hero-banner .hero-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card-article {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-article .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-alt);
        }
        .card-article .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-article:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .card-article .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 0.74rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .card-article .card-body {
            padding: 20px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-article .card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .card-article .card-title {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary-dark);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-article .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #ffffff;
            border: none;
            padding: 11px 26px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 3px 12px rgba(200, 150, 62, 0.30);
            text-decoration: none;
        }
        .btn-accent:hover {
            background: var(--accent-light);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.40);
            transform: translateY(-2px);
        }
        .btn-accent:active {
            transform: scale(0.96);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.30);
        }
        .btn-outline-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
            padding: 10px 24px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .btn-outline-accent:hover {
            background: var(--accent);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.30);
            transform: translateY(-2px);
        }
        .btn-primary-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #ffffff;
            border: none;
            padding: 11px 26px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 3px 12px rgba(26, 54, 93, 0.30);
            text-decoration: none;
        }
        .btn-primary-dark:hover {
            background: var(--primary-light);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(26, 54, 93, 0.40);
            transform: translateY(-2px);
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.02em;
            line-height: 1;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 6px;
            font-weight: 500;
        }

        .report-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--border-light);
            border-left: 4px solid var(--accent);
            transition: all var(--transition);
            height: 100%;
        }
        .report-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .report-card .report-type {
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .report-card h4 {
            margin-bottom: 6px;
        }
        .report-card .report-desc {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .timeline-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }
        .timeline-list li {
            position: relative;
            padding-left: 44px;
            margin-bottom: 24px;
            padding-bottom: 4px;
        }
        .timeline-list li::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #ffffff;
            box-shadow: 0 0 0 3px var(--accent);
            z-index: 1;
        }
        .timeline-list .tl-date {
            font-size: 0.78rem;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .timeline-list .tl-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary-dark);
            margin: 2px 0 4px;
        }
        .timeline-list .tl-desc {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-item .faq-question i {
            color: var(--accent);
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item.open {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(200, 150, 62, 0.08);
        }

        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #ffffff;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }
        .cta-section h2 {
            color: #ffffff;
            margin-bottom: 10px;
        }
        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.80);
            font-size: 0.95rem;
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .cta-section .cta-input-group {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-section input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.10);
            color: #ffffff;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .cta-section input[type="email"]::placeholder {
            color: rgba(255, 255, 255, 0.50);
        }
        .cta-section input[type="email"]:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.15);
        }

        .site-footer {
            background: #0f1f35;
            color: rgba(255, 255, 255, 0.70);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.84rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.50);
            max-width: 360px;
        }
        .footer-col h6 {
            color: #ffffff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            margin-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
            max-width: 1100px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 1199.98px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 991.98px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
                box-shadow: 6px 0 30px rgba(0, 0, 0, 0.30);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
            .hero-banner {
                padding: 48px 28px;
                min-height: 260px;
                border-radius: 0;
            }
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-block-lg {
                padding: 48px 0;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-banner {
                padding: 36px 18px;
                min-height: 220px;
            }
            .hero-banner h1 {
                font-size: 1.45rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.84rem;
            }
            .hero-banner .hero-meta {
                flex-direction: column;
                gap: 6px;
            }
            .section-block {
                padding: 32px 0;
            }
            .section-block-lg {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-label {
                font-size: 0.75rem;
            }
            .card-article .card-title {
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 28px 16px;
                border-radius: var(--radius);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section .cta-input-group {
                flex-direction: column;
                align-items: center;
            }
            .cta-section input[type="email"] {
                width: 100%;
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
                text-align: center;
            }
            .footer-desc {
                max-width: 100%;
            }
            .footer-col ul {
                display: flex;
                flex-wrap: wrap;
                justify-content: center;
                gap: 12px;
            }
            .footer-col ul li {
                margin-bottom: 0;
            }
            .timeline-list::before {
                left: 10px;
            }
            .timeline-list li {
                padding-left: 32px;
            }
            .timeline-list li::before {
                left: 4px;
                width: 12px;
                height: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                padding: 28px 14px;
                min-height: 200px;
            }
            .hero-banner h1 {
                font-size: 1.25rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card .stat-number {
                font-size: 1.3rem;
            }
            .card-article .card-body {
                padding: 14px 12px;
            }
            .btn-accent,
            .btn-outline-accent,
            .btn-primary-dark {
                padding: 9px 18px;
                font-size: 0.82rem;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand-primary: #1a3a5c;
            --brand-primary-light: #1f4d7a;
            --brand-accent: #e8832b;
            --brand-accent-hover: #d4721c;
            --brand-accent-light: #fff5ee;
            --brand-bg: #f8f9fb;
            --brand-white: #ffffff;
            --brand-text: #1e1e2d;
            --brand-text-weak: #5e6278;
            --brand-text-muted: #8b8fa3;
            --brand-border: #e2e5ec;
            --brand-border-light: #eef0f5;
            --brand-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --brand-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --brand-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --brand-shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --brand-radius-sm: 0.5rem;
            --brand-radius: 0.75rem;
            --brand-radius-lg: 1rem;
            --brand-radius-xl: 1.25rem;
            --sidebar-width: 240px;
            --sidebar-collapsed-width: 0px;
            --header-mobile-height: 60px;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Menlo', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--brand-bg);
            color: var(--brand-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--brand-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        button {
            font-family: inherit;
        }

        /* ========== LAYOUT WRAPPER ========== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
            position: relative;
        }

        /* ========== SIDEBAR ========== */
        .app-sidebar {
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            background: var(--brand-primary);
            color: #ffffff;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1040;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            box-shadow: 2px 0 24px rgba(0, 0, 0, 0.12);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-brand {
            padding: 1.5rem 1.25rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }
        .sidebar-brand-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--brand-radius-sm);
            background: var(--brand-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: #fff;
            white-space: nowrap;
        }
        .sidebar-brand-sub {
            font-size: 0.7rem;
            opacity: 0.65;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 0.75rem 0;
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.7rem 1.25rem;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.925rem;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition-base);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            border-left-color: rgba(255, 255, 255, 0.35);
        }
        .sidebar-nav a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.10);
            border-left-color: var(--brand-accent);
            font-weight: 600;
        }
        .sidebar-nav a.active i {
            color: var(--brand-accent);
        }
        .sidebar-footer {
            padding: 1rem 1.25rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.75rem;
            opacity: 0.55;
            flex-shrink: 0;
            text-align: center;
            letter-spacing: 0.02em;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .app-main {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-smooth);
        }

        /* ========== MOBILE HEADER BAR ========== */
        .mobile-header-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--brand-primary);
            color: #fff;
            height: var(--header-mobile-height);
            align-items: center;
            padding: 0 1rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }
        .mobile-header-bar .mobile-logo {
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .mobile-header-bar .mobile-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--brand-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
        }
        .mobile-toggler {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            padding: 0.35rem 0.5rem;
            margin-left: auto;
            border-radius: 6px;
            transition: background var(--transition-base);
        }
        .mobile-toggler:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .mobile-toggler:focus-visible {
            outline: 2px solid var(--brand-accent);
            outline-offset: 2px;
        }

        /* ========== OFFCANVAS OVERRIDE ========== */
        .offcanvas-sidebar {
            background: var(--brand-primary);
            color: #fff;
            width: 280px !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            padding: 1rem 1.25rem;
        }
        .offcanvas-sidebar .offcanvas-title {
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.02em;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }
        .offcanvas-sidebar .sidebar-nav a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1rem;
            padding: 0.8rem 1.5rem;
        }
        .offcanvas-sidebar .sidebar-nav a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.10);
            border-left-color: var(--brand-accent);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #1a3a5c 0%, #14304d 40%, #0f2640 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            padding: 3.5rem 2rem;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 58, 92, 0.78) 0%, rgba(15, 38, 64, 0.88) 100%);
            z-index: 0;
        }
        .page-banner-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .page-banner .banner-breadcrumb {
            font-size: 0.85rem;
            opacity: 0.8;
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-wrap: wrap;
        }
        .page-banner .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .page-banner .banner-breadcrumb a:hover {
            color: var(--brand-accent);
        }
        .page-banner .banner-breadcrumb .sep {
            opacity: 0.5;
        }
        .page-banner h1 {
            font-size: 2.3rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
            line-height: 1.25;
        }
        .page-banner .banner-subtitle {
            font-size: 1.05rem;
            opacity: 0.9;
            line-height: 1.6;
            max-width: 600px;
        }
        .page-banner .banner-stats-row {
            display: flex;
            gap: 2rem;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }
        .page-banner .banner-stat {
            display: flex;
            flex-direction: column;
        }
        .page-banner .banner-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--brand-accent);
            line-height: 1.1;
        }
        .page-banner .banner-stat .stat-label {
            font-size: 0.8rem;
            opacity: 0.75;
            letter-spacing: 0.03em;
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 2.8rem 2rem;
        }
        .section-block.bg-white {
            background: var(--brand-white);
        }
        .section-block.bg-light {
            background: var(--brand-bg);
        }
        .section-block.bg-accent-light {
            background: var(--brand-accent-light);
        }
        .section-header {
            margin-bottom: 2rem;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--brand-accent);
            background: var(--brand-accent-light);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            margin-bottom: 0.5rem;
        }
        .section-header h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--brand-text);
            letter-spacing: 0.02em;
            margin-bottom: 0.35rem;
            line-height: 1.3;
        }
        .section-header .section-desc {
            color: var(--brand-text-weak);
            font-size: 0.95rem;
            max-width: 650px;
        }

        /* ========== NEWS CARDS ========== */
        .news-list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 1.5rem;
        }
        .news-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid var(--brand-border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-card:hover {
            box-shadow: var(--brand-shadow-lg);
            transform: translateY(-3px);
            border-color: var(--brand-border);
        }
        .news-card .news-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .news-card .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.06);
        }
        .news-card .news-card-badge {
            position: absolute;
            top: 0.8rem;
            left: 0.8rem;
            background: var(--brand-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.3rem 0.65rem;
            border-radius: 20px;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .news-card .news-card-body {
            padding: 1.2rem 1.3rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-card-date {
            font-size: 0.78rem;
            color: var(--brand-text-muted);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .news-card .news-card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 0.5rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-card-excerpt {
            font-size: 0.88rem;
            color: var(--brand-text-weak);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--brand-primary);
            margin-top: 0.8rem;
            transition: color var(--transition-base), gap var(--transition-base);
        }
        .news-card .news-card-link:hover {
            color: var(--brand-accent);
            gap: 0.55rem;
        }
        .news-card .news-card-link i {
            font-size: 0.7rem;
            transition: transform var(--transition-base);
        }
        .news-card:hover .news-card-link i {
            transform: translateX(3px);
        }

        /* ========== ANNOUNCEMENT CARDS ========== */
        .announcement-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .announcement-item {
            background: var(--brand-white);
            border-radius: var(--brand-radius);
            padding: 1.3rem 1.5rem;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            border: 1px solid var(--brand-border-light);
            box-shadow: var(--brand-shadow-sm);
            transition: all var(--transition-base);
        }
        .announcement-item:hover {
            box-shadow: var(--brand-shadow);
            border-color: var(--brand-border);
        }
        .announcement-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--brand-radius-sm);
            background: var(--brand-accent-light);
            color: var(--brand-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .announcement-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
            color: var(--brand-text);
        }
        .announcement-content p {
            font-size: 0.88rem;
            color: var(--brand-text-weak);
            margin: 0;
            line-height: 1.6;
        }
        .announcement-content .announcement-meta {
            font-size: 0.75rem;
            color: var(--brand-text-muted);
            margin-top: 0.35rem;
        }

        /* ========== MEDIA MENTIONS ========== */
        .media-mentions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 1.2rem;
        }
        .media-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius);
            padding: 1.4rem;
            border: 1px solid var(--brand-border-light);
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--brand-shadow-sm);
        }
        .media-card:hover {
            box-shadow: var(--brand-shadow);
            transform: translateY(-2px);
            border-color: var(--brand-border);
        }
        .media-card .media-logo-placeholder {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--brand-bg);
            margin: 0 auto 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--brand-text-muted);
        }
        .media-card h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 0.25rem;
        }
        .media-card p {
            font-size: 0.8rem;
            color: var(--brand-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== TIMELINE ========== */
        .timeline-wrapper {
            position: relative;
            padding-left: 2rem;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--brand-border);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
            padding-left: 1.5rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -1.55rem;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--brand-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--brand-accent);
            z-index: 1;
        }
        .timeline-item .timeline-year {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--brand-accent);
            letter-spacing: 0.05em;
            margin-bottom: 0.2rem;
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 0.25rem;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--brand-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== CTA SECTION ========== */
        .cta-block {
            background: var(--brand-primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 3rem 2rem;
            border-radius: var(--brand-radius-xl);
            overflow: hidden;
            color: #fff;
            text-align: center;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 58, 92, 0.85);
            z-index: 0;
        }
        .cta-block .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-block h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            letter-spacing: 0.02em;
        }
        .cta-block p {
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        .cta-block .cta-form-row {
            display: flex;
            gap: 0.6rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-block .cta-input {
            padding: 0.7rem 1rem;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 0.9rem;
            min-width: 260px;
            outline: none;
            transition: all var(--transition-base);
        }
        .cta-block .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .cta-block .cta-input:focus {
            border-color: var(--brand-accent);
            background: rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 0 3px rgba(232, 131, 43, 0.25);
        }
        .btn-accent {
            background: var(--brand-accent);
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-accent:hover {
            background: var(--brand-accent-hover);
            box-shadow: 0 6px 20px rgba(232, 131, 43, 0.35);
            transform: translateY(-1px);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(232, 131, 43, 0.3);
        }
        .btn-accent:focus-visible {
            outline: 3px solid rgba(232, 131, 43, 0.5);
            outline-offset: 3px;
        }
        .btn-outline-light-white {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            padding: 0.65rem 1.8rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-outline-light-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }
        .faq-item {
            background: var(--brand-white);
            border-radius: var(--brand-radius);
            border: 1px solid var(--brand-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--brand-shadow-sm);
        }
        .faq-question {
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--brand-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            letter-spacing: 0.01em;
        }
        .faq-question i {
            font-size: 0.75rem;
            color: var(--brand-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--brand-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 1.4rem 1.1rem;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.88rem;
            color: var(--brand-text-weak);
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #111827;
            color: rgba(255, 255, 255, 0.75);
            padding: 2.5rem 2rem 1.5rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
        }
        .footer-desc {
            font-size: 0.82rem;
            line-height: 1.7;
            opacity: 0.7;
            max-width: 340px;
        }
        .footer-col h6 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 0.8rem;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.45rem;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.82rem;
            opacity: 0.7;
            transition: opacity var(--transition-base), color var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-col ul li a:hover {
            opacity: 1;
            color: var(--brand-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.78rem;
            opacity: 0.5;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-list-grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
        }
        @media (max-width: 991.98px) {
            .app-sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .app-sidebar.show {
                transform: translateX(0);
                box-shadow: 4px 0 32px rgba(0, 0, 0, 0.3);
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-header-bar {
                display: flex;
            }
            .page-banner {
                padding: 2.5rem 1.5rem;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .section-block {
                padding: 2rem 1.2rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .news-list-grid {
                grid-template-columns: 1fr;
            }
            .media-mentions-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
            .timeline-wrapper {
                padding-left: 1.5rem;
            }
            .timeline-item {
                padding-left: 1rem;
            }
            .timeline-item::before {
                left: -1.2rem;
                width: 10px;
                height: 10px;
            }
        }
        @media (max-width: 767.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-stats-row {
                gap: 1rem;
            }
            .page-banner .banner-stat .stat-num {
                font-size: 1.3rem;
            }
            .cta-block {
                padding: 2rem 1.2rem;
                border-radius: var(--brand-radius-lg);
            }
            .cta-block h2 {
                font-size: 1.3rem;
            }
            .cta-block .cta-input {
                min-width: 100%;
            }
            .cta-block .cta-form-row {
                flex-direction: column;
                align-items: stretch;
            }
            .announcement-item {
                flex-direction: column;
                gap: 0.6rem;
            }
            .section-block {
                padding: 1.6rem 1rem;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .news-card .news-card-img {
                height: 160px;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 0.9rem 1rem;
            }
            .faq-answer {
                padding: 0 1rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 1rem 0.9rem;
            }
        }
        @media (max-width: 519.98px) {
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.85rem;
            }
            .page-banner .banner-stats-row {
                gap: 0.8rem;
                flex-direction: column;
            }
            .media-mentions-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-card .news-card-img {
                height: 140px;
            }
            .news-card .news-card-title {
                font-size: 0.95rem;
            }
            .timeline-item h4 {
                font-size: 0.9rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1e40af;
            --primary-light: #2563eb;
            --primary-dark: #1a3390;
            --primary-ghost: #eef2ff;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-dark: #d97706;
            --bg: #f8fafc;
            --bg-white: #ffffff;
            --bg-soft: #f1f5f9;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-light: #cbd5e1;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.07), 0 4px 10px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.08), 0 8px 16px rgba(0, 0, 0, 0.04);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --sidebar-width: 250px;
            --sidebar-collapsed: 70px;
            --header-mobile-height: 56px;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: sticky;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            min-width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-white);
            border-right: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition-slow), width var(--transition-slow);
        }
        .sidebar-brand {
            padding: 20px 22px 16px;
            border-bottom: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-logo {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 9px;
        }
        .sidebar-brand .brand-logo i {
            color: var(--accent);
            font-size: 1.35rem;
        }
        .sidebar-brand .brand-subtitle {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 3px;
            letter-spacing: 0.4px;
        }
        .sidebar-nav {
            flex: 1;
            overflow-y: auto;
            padding: 14px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 14px;
            border-radius: var(--radius);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: var(--primary-ghost);
            color: var(--primary);
        }
        .sidebar-nav a.active {
            background: var(--primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(30, 64, 175, 0.3);
        }
        .sidebar-nav a.active i {
            color: #ffffff;
        }
        .sidebar-footer-cta {
            padding: 14px 16px;
            border-top: 1px solid var(--border-light);
            flex-shrink: 0;
        }
        .sidebar-footer-cta .btn-sidebar-cta {
            display: block;
            width: 100%;
            padding: 10px 16px;
            background: var(--accent);
            color: #1e293b;
            font-weight: 600;
            font-size: 0.85rem;
            border: none;
            border-radius: var(--radius);
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .sidebar-footer-cta .btn-sidebar-cta:hover {
            background: var(--accent-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== MAIN WRAPPER ========== */
        .main-wrapper {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ========== MOBILE HEADER ========== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 999;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 0 16px;
            height: var(--header-mobile-height);
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-sm);
        }
        .mobile-header .mobile-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .mobile-header .mobile-brand i {
            color: var(--accent);
        }
        .mobile-header .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
        }
        .mobile-header .hamburger-btn:hover {
            background: var(--bg-soft);
        }

        /* ========== OFFCANVAS OVERRIDE ========== */
        .offcanvas-sidebar {
            width: var(--sidebar-width) !important;
            border-right: 1px solid var(--border);
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 0;
            display: flex;
            flex-direction: column;
        }
        .offcanvas-sidebar .sidebar-nav {
            padding: 14px 12px;
        }
        .offcanvas-sidebar .sidebar-brand {
            padding: 20px 22px 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .offcanvas-sidebar .sidebar-footer-cta {
            margin-top: auto;
        }

        /* ========== MAIN CONTENT ========== */
        .main-content {
            flex: 1;
            padding-bottom: 0;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 40%, #1d4ed8 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 56px 40px;
            color: #ffffff;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.55);
            z-index: 1;
        }
        .page-banner .banner-inner {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            color: #ffffff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .page-banner h1 {
            font-size: 2.3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: -0.4px;
            line-height: 1.25;
        }
        .page-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.65;
            max-width: 600px;
        }
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 14px;
            flex-wrap: wrap;
        }
        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: #ffffff;
        }
        .breadcrumb-row .sep {
            color: rgba(255, 255, 255, 0.45);
        }
        .breadcrumb-row .current {
            color: #ffffff;
            font-weight: 500;
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 50px 40px;
        }
        .section-title-area {
            margin-bottom: 34px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-ghost);
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: -0.2px;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 550px;
            line-height: 1.6;
        }
        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #ffffff;
        }
        .section-dark .section-title {
            color: #ffffff;
        }
        .section-dark .section-subtitle {
            color: var(--text-light);
        }
        .section-dark .section-label {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        /* ========== SERVICE CARDS GRID ========== */
        .service-cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .service-card .card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .service-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .service-card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 14px;
            background: var(--primary);
            color: #ffffff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            z-index: 2;
            letter-spacing: 0.3px;
        }
        .service-card .card-body-custom {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-body-custom h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 7px;
        }
        .service-card .card-body-custom p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .service-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }
        .service-card .card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            counter-reset: step;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
            text-align: center;
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #ffffff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .process-step h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .process-step p {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0;
        }
        .process-connector {
            display: none;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .advantage-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border);
        }
        .advantage-card .adv-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: var(--primary-ghost);
            color: var(--primary);
            font-size: 1.35rem;
            margin-bottom: 14px;
            transition: all var(--transition);
        }
        .advantage-card:hover .adv-icon {
            background: var(--primary);
            color: #ffffff;
        }
        .advantage-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .advantage-card p {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin: 0;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .stat-item {
            flex: 1;
            min-width: 140px;
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.5px;
            line-height: 1;
        }
        .stat-item .stat-label {
            font-size: 0.82rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 750px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #ffffff;
            margin: 0 40px 50px;
            box-shadow: var(--shadow-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-section h3 {
            font-size: 1.55rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 22px;
            font-size: 0.95rem;
        }
        .btn-cta-primary {
            display: inline-block;
            background: var(--accent);
            color: #1e293b;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: 28px;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }
        .btn-cta-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 40px 40px 24px;
            font-size: 0.85rem;
            line-height: 1.7;
            flex-shrink: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }
        .footer-desc {
            color: var(--text-light);
            font-size: 0.82rem;
            line-height: 1.65;
            margin: 0;
        }
        .footer-col h6 {
            color: #ffffff;
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li a,
        .footer-col ul li span {
            color: var(--text-light);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: #ffffff;
        }
        .footer-col ul li span i {
            width: 16px;
            text-align: center;
            color: var(--text-muted);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .service-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .advantage-cards {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .section {
                padding: 40px 28px;
            }
            .page-banner {
                padding: 44px 28px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .cta-section {
                margin: 0 28px 40px;
            }
            .site-footer {
                padding: 34px 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 992px) {
            .service-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .advantage-cards {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
            }
            .process-steps {
                flex-wrap: wrap;
            }
            .process-step {
                min-width: 160px;
                flex: 1 1 45%;
            }
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }
            .sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                width: 100%;
            }
            .section {
                padding: 32px 16px;
            }
            .page-banner {
                padding: 36px 18px;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .service-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card .card-img-wrap {
                height: 150px;
            }
            .advantage-cards {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .advantage-card {
                padding: 20px 14px;
            }
            .process-steps {
                flex-direction: column;
                gap: 12px;
            }
            .process-step {
                min-width: auto;
                flex: auto;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-item {
                min-width: 100px;
                flex: 1 1 40%;
                padding: 18px 10px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .cta-section {
                margin: 0 16px 32px;
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.25rem;
            }
            .site-footer {
                padding: 28px 16px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .advantage-cards {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .service-cards-grid {
                grid-template-columns: 1fr;
            }
            .stat-item {
                flex: 1 1 100%;
                min-width: auto;
            }
            .stats-row {
                flex-direction: column;
            }
            .section {
                padding: 26px 12px;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .cta-section {
                margin: 0 10px 26px;
                padding: 26px 16px;
                border-radius: var(--radius);
            }
            .btn-cta-primary {
                font-size: 0.85rem;
                padding: 10px 22px;
            }
            .page-banner {
                padding: 28px 14px;
            }
            .breadcrumb-row {
                font-size: 0.72rem;
            }
        }
