/* roulang page: index */
:root {
            --brand-navy: #0a1628;
            --brand-deep-blue: #0f1f3d;
            --brand-blue: #1a3a5c;
            --brand-accent-gold: #c8963e;
            --brand-accent-amber: #d4a853;
            --brand-light-gold: #e8c97a;
            --brand-surface-white: #ffffff;
            --brand-surface-light: #f7f8fa;
            --brand-surface-pale: #eef1f6;
            --brand-text-primary: #1a1d24;
            --brand-text-secondary: #4a505c;
            --brand-text-muted: #7b8290;
            --brand-text-on-dark: #e8ecf2;
            --brand-border: #dde1e8;
            --brand-border-light: #e9ecf1;
            --brand-radius-sm: 8px;
            --brand-radius: 12px;
            --brand-radius-lg: 16px;
            --brand-radius-xl: 20px;
            --brand-shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06);
            --brand-shadow: 0 4px 16px rgba(10, 22, 40, 0.08);
            --brand-shadow-lg: 0 8px 32px rgba(10, 22, 40, 0.12);
            --brand-shadow-xl: 0 16px 48px rgba(10, 22, 40, 0.16);
            --sidebar-width: 250px;
            --sidebar-collapsed-width: 0px;
            --topbar-height: 56px;
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            line-height: 1.7;
            color: var(--brand-text-primary);
            background-color: var(--brand-surface-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--brand-accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }

        /* ===== SIDEBAR ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand-navy);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 24px rgba(10, 22, 40, 0.3);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-brand {
            padding: 24px 20px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .sidebar-brand-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--brand-radius-sm);
            background: linear-gradient(135deg, var(--brand-accent-gold), var(--brand-accent-amber));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-brand-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .sidebar-brand-sub {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 1px;
            text-transform: uppercase;
            white-space: nowrap;
        }
        .sidebar-nav {
            flex: 1;
            padding: 12px 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-base);
            border-left: 3px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .sidebar-nav a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.05);
            border-left-color: rgba(255, 255, 255, 0.3);
        }
        .sidebar-nav a.active {
            color: #ffffff;
            background: rgba(200, 150, 62, 0.15);
            border-left-color: var(--brand-accent-gold);
            font-weight: 600;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-footer small {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.75rem;
        }

        /* ===== TOPBAR (mobile) ===== */
        .app-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--brand-navy);
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 16px rgba(10, 22, 40, 0.25);
        }
        .topbar-toggle {
            width: 38px;
            height: 38px;
            border-radius: var(--brand-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.3rem;
            flex-shrink: 0;
            transition: background var(--transition-base);
        }
        .topbar-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .topbar-logo {
            font-weight: 700;
            font-size: 1.05rem;
            color: #fff;
            margin-left: 8px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        /* ===== OVERLAY (mobile) ===== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(10, 22, 40, 0.6);
            z-index: 998;
            transition: opacity var(--transition-base);
        }
        .sidebar-overlay.show {
            display: block;
        }

        /* ===== MAIN CONTENT ===== */
        .app-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            transition: margin-left var(--transition-smooth);
            background: var(--brand-surface-white);
        }
        .content-section {
            padding: 60px 0;
        }
        .content-section-alt {
            background: var(--brand-surface-light);
        }
        .content-section-dark {
            background: var(--brand-deep-blue);
            color: var(--brand-text-on-dark);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--brand-accent-gold);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .section-title-light {
            color: #ffffff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--brand-text-muted);
            margin-bottom: 32px;
            max-width: 600px;
        }
        .section-subtitle-light {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            color: #ffffff;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.88) 0%, rgba(15, 31, 61, 0.78) 40%, rgba(26, 58, 92, 0.6) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 40px 48px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--brand-light-gold);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .hero-desc {
            font-size: 1.15rem;
            line-height: 1.8;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .btn-brand {
            display: inline-block;
            background: linear-gradient(135deg, var(--brand-accent-gold), var(--brand-accent-amber));
            color: #1a1d24;
            font-weight: 700;
            padding: 13px 30px;
            border-radius: 50px;
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            border: none;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
            text-decoration: none;
        }
        .btn-brand:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.5);
            color: #1a1d24;
            background: linear-gradient(135deg, var(--brand-accent-amber), var(--brand-light-gold));
        }
        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #ffffff;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: 50px;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-base);
            text-decoration: none;
            background: transparent;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            color: #ffffff;
        }

        /* ===== STAT CARDS ===== */
        .stat-card {
            background: var(--brand-surface-white);
            border-radius: var(--brand-radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--brand-shadow);
            transition: all var(--transition-base);
            border: 1px solid var(--brand-border-light);
            height: 100%;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-lg);
            border-color: var(--brand-accent-gold);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--brand-deep-blue);
            letter-spacing: -0.5px;
            line-height: 1;
        }
        .stat-number .accent {
            color: var(--brand-accent-gold);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--brand-text-muted);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== ADVANTAGE CARDS ===== */
        .adv-card {
            background: var(--brand-surface-white);
            border-radius: var(--brand-radius-lg);
            padding: 32px 24px;
            box-shadow: var(--brand-shadow);
            transition: all var(--transition-base);
            border: 1px solid var(--brand-border-light);
            height: 100%;
            text-align: center;
        }
        .adv-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--brand-shadow-xl);
            border-color: var(--brand-accent-gold);
        }
        .adv-icon-wrap {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(200, 150, 62, 0.12), rgba(200, 150, 62, 0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--brand-accent-gold);
            transition: all var(--transition-base);
        }
        .adv-card:hover .adv-icon-wrap {
            background: var(--brand-accent-gold);
            color: #fff;
            transform: scale(1.08);
        }
        .adv-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--brand-text-primary);
        }
        .adv-desc {
            font-size: 0.9rem;
            color: var(--brand-text-muted);
            line-height: 1.6;
        }

        /* ===== BRAND INTRO ===== */
        .brand-intro-block {
            background: var(--brand-surface-white);
            border-radius: var(--brand-radius-xl);
            padding: 40px;
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border-light);
            line-height: 1.9;
            font-size: 1rem;
            color: var(--brand-text-secondary);
        }
        .brand-intro-block strong {
            color: var(--brand-text-primary);
        }

        /* ===== STORY SECTION ===== */
        .story-image-wrap {
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow-lg);
        }
        .story-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .story-image-wrap:hover img {
            transform: scale(1.03);
        }

        /* ===== MATCH CARDS ===== */
        .match-card {
            background: var(--brand-surface-white);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            transition: all var(--transition-base);
            border: 1px solid var(--brand-border-light);
            height: 100%;
        }
        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-xl);
        }
        .match-card-img {
            height: 180px;
            overflow: hidden;
        }
        .match-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .match-card:hover .match-card-img img {
            transform: scale(1.05);
        }
        .match-card-body {
            padding: 16px 18px;
        }
        .match-card-tag {
            display: inline-block;
            background: rgba(200, 150, 62, 0.1);
            color: var(--brand-accent-gold);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .match-card-title {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--brand-text-primary);
        }
        .match-card-info {
            font-size: 0.8rem;
            color: var(--brand-text-muted);
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-card {
            background: var(--brand-surface-white);
            border-radius: var(--brand-radius-lg);
            padding: 28px 24px;
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border-light);
            height: 100%;
            position: relative;
        }
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 4rem;
            color: rgba(200, 150, 62, 0.15);
            line-height: 1;
            font-weight: 700;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--brand-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--brand-text-primary);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--brand-text-muted);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--brand-surface-white);
            border-radius: var(--brand-radius);
            padding: 20px 24px;
            margin-bottom: 12px;
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid var(--brand-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--brand-shadow);
            border-color: var(--brand-accent-gold);
        }
        .faq-item h5 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--brand-text-primary);
        }
        .faq-item p {
            margin: 0;
            color: var(--brand-text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ===== NEWS CARD ===== */
        .news-card {
            background: var(--brand-surface-white);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            transition: all var(--transition-base);
            border: 1px solid var(--brand-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--brand-shadow-xl);
        }
        .news-card-img {
            height: 160px;
            overflow: hidden;
        }
        .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(1.05);
        }
        .news-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--brand-text-muted);
            margin-bottom: 6px;
        }
        .news-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 6px;
            color: var(--brand-text-primary);
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.82rem;
            color: var(--brand-text-secondary);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 10px;
        }
        .news-link {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--brand-accent-gold);
            align-self: flex-start;
            transition: color var(--transition-base);
        }
        .news-link:hover {
            color: var(--brand-deep-blue);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-deep-blue) 0%, var(--brand-navy) 100%);
            border-radius: var(--brand-radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.1);
            pointer-events: none;
        }
        .cta-section h3 {
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            opacity: 0.85;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== FOOTER ===== */
        .app-footer {
            background: var(--brand-navy);
            color: rgba(255, 255, 255, 0.65);
            padding: 40px 0 24px;
            font-size: 0.88rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 16px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            transition: color var(--transition-base);
        }
        .footer-links a:hover {
            color: var(--brand-accent-gold);
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            margin-top: 16px;
        }
        .footer-brand {
            font-weight: 700;
            color: #ffffff;
            font-size: 1rem;
            letter-spacing: 0.5px;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-content {
                padding: 30px 28px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .content-section {
                padding: 40px 0;
            }
            .stat-number {
                font-size: 2rem;
            }
            .brand-intro-block {
                padding: 24px;
            }
            .cta-section {
                padding: 32px 24px;
                border-radius: var(--brand-radius-lg);
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 1001;
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .app-topbar {
                display: flex;
            }
            .sidebar-overlay {
                display: none;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .app-main {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .hero-section {
                min-height: 420px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-content {
                padding: 24px 20px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .content-section {
                padding: 32px 0;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .adv-card {
                padding: 20px 16px;
            }
            .brand-intro-block {
                padding: 20px;
                font-size: 0.9rem;
            }
            .cta-section {
                padding: 24px 16px;
                border-radius: var(--brand-radius);
            }
            .cta-section h3 {
                font-size: 1.2rem;
            }
            .match-card-img {
                height: 140px;
            }
            .news-card-img {
                height: 130px;
            }
            .btn-brand,
            .btn-outline-light-custom {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 360px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.85rem;
                line-height: 1.6;
            }
            .hero-content {
                padding: 16px 14px;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 12px;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .adv-title {
                font-size: 0.95rem;
            }
            .brand-intro-block {
                padding: 16px;
                font-size: 0.82rem;
                border-radius: var(--brand-radius);
            }
            .btn-brand {
                padding: 10px 20px;
                font-size: 0.82rem;
            }
            .faq-item {
                padding: 14px 16px;
            }
            .faq-item h5 {
                font-size: 0.9rem;
            }
            .faq-item p {
                font-size: 0.8rem;
            }
            .cta-section h3 {
                font-size: 1.1rem;
            }
            .app-topbar {
                height: 48px;
                padding: 0 10px;
            }
            :root {
                --topbar-height: 48px;
            }
        }

        /* focus accessibility */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--brand-accent-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .sidebar-nav a:focus-visible {
            outline-color: #fff;
            outline-offset: -2px;
        }

/* roulang page: category4 */
:root {
            --primary: #1B2A4A;
            --primary-light: #243358;
            --primary-dark: #111D33;
            --accent: #C8963E;
            --accent-light: #D4A853;
            --accent-glow: #E8C97A;
            --bg: #F4F5F8;
            --bg-alt: #EBEDF2;
            --white: #FFFFFF;
            --text: #2D3748;
            --text-heading: #1A202C;
            --text-light: #6B7280;
            --text-muted: #9CA3AF;
            --border: #E2E8F0;
            --border-light: #EDF2F7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.14);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --sidebar-width: 250px;
            --mobile-header-height: 56px;
            --transition: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', '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 {
            font-family: var(--font-sans);
            line-height: 1.7;
            background-color: var(--bg);
            color: var(--text);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        /* ========== 桌面端侧边栏 ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 20px rgba(0, 0, 0, 0.18);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 22px 20px 18px;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-brand .brand-name {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--white);
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .sidebar-brand .brand-name i {
            color: var(--accent);
            font-size: 1.5rem;
        }

        .sidebar-brand .brand-sub {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 2px;
            margin-top: 3px;
            text-transform: uppercase;
        }

        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            position: relative;
            white-space: nowrap;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-smooth);
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: var(--white);
        }

        .sidebar-nav a:hover i {
            color: var(--accent-light);
        }

        .sidebar-nav a.active {
            background: rgba(200, 150, 62, 0.18);
            color: var(--accent-glow);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
            border-radius: var(--radius) var(--radius) var(--radius) 4px;
        }

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

        .sidebar-footer {
            padding: 14px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        .sidebar-footer small {
            color: rgba(255, 255, 255, 0.3);
            font-size: 0.7rem;
        }

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

        /* ========== 移动端顶部栏 ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--mobile-header-height);
            background: var(--primary);
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .mobile-header .mobile-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--white);
            letter-spacing: 1px;
        }

        .mobile-header .mobile-brand i {
            color: var(--accent);
            margin-right: 6px;
        }

        .mobile-menu-btn {
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }

        .mobile-menu-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-menu-btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ========== Offcanvas 移动端导航面板 ========== */
        .offcanvas-custom {
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            width: 270px !important;
        }

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

        .offcanvas-custom .offcanvas-title {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--white);
            letter-spacing: 1px;
        }

        .offcanvas-custom .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }

        .offcanvas-custom .offcanvas-body {
            padding: 12px;
        }

        .offcanvas-custom .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            margin-bottom: 2px;
        }

        .offcanvas-custom .offcanvas-body a i {
            width: 20px;
            text-align: center;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .offcanvas-custom .offcanvas-body a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: var(--white);
        }

        .offcanvas-custom .offcanvas-body a.active {
            background: rgba(200, 150, 62, 0.18);
            color: var(--accent-glow);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
            border-radius: var(--radius) var(--radius) var(--radius) 4px;
        }

        .offcanvas-custom .offcanvas-body a.active i {
            color: var(--accent);
        }

        /* ========== 容器调整 ========== */
        .content-container {
            padding: 28px 32px;
            flex: 1;
        }

        @media (min-width: 1400px) {
            .content-container {
                padding: 32px 48px;
                max-width: 1200px;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            margin-bottom: 36px;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
            position: relative;
            padding-left: 16px;
        }

        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-subtitle {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 20px;
            padding-left: 16px;
        }

        /* ========== Banner / Hero ========== */
        .category-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--primary);
            min-height: 280px;
            display: flex;
            align-items: center;
            padding: 40px 36px;
            margin-bottom: 36px;
            box-shadow: var(--shadow-md);
        }

        .category-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }

        .category-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 42, 74, 0.85) 0%, rgba(17, 29, 51, 0.7) 100%);
            z-index: 1;
        }

        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .category-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .category-banner h1 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .category-banner .banner-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 卡片通用 ========== */
        .card-custom {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            overflow: hidden;
            height: 100%;
        }

        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e9ecf1;
        }

        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .card-custom .card-body-custom {
            padding: 18px 20px;
        }

        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: rgba(200, 150, 62, 0.12);
            color: var(--accent);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .card-custom h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-heading);
        }

        .card-custom p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== 统计数字卡片 ========== */
        .stat-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1;
            margin-bottom: 4px;
        }

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

        /* ========== 图文区块 ========== */
        .feature-block {
            background: var(--white);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            align-items: stretch;
        }

        .feature-block .feature-img {
            flex: 0 0 42%;
            min-height: 280px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .feature-block .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .feature-block .feature-text {
            flex: 1;
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-block .feature-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-block .feature-text p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 列表样式 ========== */
        .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .info-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.93rem;
            color: var(--text);
        }

        .info-list li:last-child {
            border-bottom: none;
        }

        .info-list li i {
            color: var(--accent);
            margin-top: 3px;
            flex-shrink: 0;
            font-size: 0.85rem;
        }

        /* ========== FAQ ========== */
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--white);
        }

        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-heading);
            background: var(--white);
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(200, 150, 62, 0.05);
            color: var(--primary);
            box-shadow: none;
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.2);
            border-color: var(--accent);
            outline: none;
        }

        .faq-section .accordion-button::after {
            background-size: 16px;
        }

        .faq-section .accordion-body {
            padding: 16px 20px 20px;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(200, 150, 62, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(200, 150, 62, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-block h3 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition-smooth);
            border: none;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }

        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.45);
            color: #fff;
        }

        .btn-cta:focus {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 3px;
        }

        /* ========== 页脚 ========== */
        .app-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 24px 0 18px;
            margin-top: auto;
            border-top: 3px solid var(--accent);
        }

        .app-footer .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            letter-spacing: 1px;
        }

        .app-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
        }

        .app-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition);
            white-space: nowrap;
        }

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

        .app-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 18px;
            padding-top: 14px;
            text-align: center;
        }

        .app-footer .footer-divider small {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.6;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .content-container {
                padding: 22px 20px;
            }
            .category-banner {
                padding: 30px 24px;
                min-height: 220px;
            }
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .feature-block .feature-img {
                flex: 0 0 100%;
                min-height: 200px;
            }
            .feature-block .feature-text {
                padding: 22px 18px;
            }
        }

        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none !important;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: var(--mobile-header-height);
            }
            .content-container {
                padding: 18px 14px;
            }
            .category-banner {
                min-height: 200px;
                padding: 24px 18px;
                border-radius: var(--radius-lg);
            }
            .category-banner h1 {
                font-size: 1.35rem;
            }
            .category-banner .banner-desc {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .feature-block {
                flex-direction: column;
            }
            .feature-block .feature-img {
                flex: 0 0 200px;
                min-height: 180px;
            }
            .cta-block {
                padding: 28px 18px;
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .app-footer .footer-links {
                justify-content: flex-start;
                gap: 12px;
                font-size: 0.8rem;
            }
            .card-custom h3 {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 575.98px) {
            .content-container {
                padding: 14px 10px;
            }
            .category-banner {
                min-height: 170px;
                padding: 18px 14px;
                border-radius: var(--radius);
            }
            .category-banner h1 {
                font-size: 1.15rem;
            }
            .category-banner .banner-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .section-title {
                font-size: 1.1rem;
                padding-left: 12px;
            }
            .section-title::before {
                width: 3px;
                top: 3px;
                bottom: 3px;
            }
            .stat-card {
                padding: 14px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.4rem;
            }
            .stat-card .stat-icon {
                font-size: 1.5rem;
            }
            .card-custom .card-body-custom {
                padding: 12px 14px;
            }
            .card-custom h3 {
                font-size: 0.9rem;
            }
            .card-custom p {
                font-size: 0.8rem;
            }
            .feature-block .feature-text {
                padding: 16px 14px;
            }
            .feature-block .feature-text h3 {
                font-size: 1.05rem;
            }
            .cta-block {
                padding: 20px 14px;
                border-radius: var(--radius-lg);
            }
            .btn-cta {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
            .app-footer {
                padding: 16px 0 12px;
            }
            .app-footer .footer-brand {
                font-size: 0.95rem;
            }
            .app-footer .footer-links {
                gap: 8px;
            }
            .app-footer .footer-links a {
                font-size: 0.75rem;
            }
            .faq-section .accordion-button {
                font-size: 0.88rem;
                padding: 12px 14px;
            }
            .faq-section .accordion-body {
                padding: 10px 14px 14px;
                font-size: 0.82rem;
            }
        }

        /* ========== 无障碍焦点 ========== */
        a:focus-visible,
        button:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ========== 覆盖 Bootstrap 默认 ========== */
        .accordion-button:not(.collapsed) {
            background-color: rgba(200, 150, 62, 0.04);
        }
        .accordion {
            --bs-accordion-border-color: transparent;
            --bs-accordion-bg: transparent;
        }
        .row {
            --bs-gutter-y: 1.5rem;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #243358;
            --color-accent: #D4A853;
            --color-accent-light: #e6c87a;
            --color-accent-dark: #b8923a;
            --color-highlight: #E8543D;
            --color-highlight-light: #f0705a;
            --color-bg: #F6F7F9;
            --color-white: #FFFFFF;
            --color-card: #FFFFFF;
            --color-text: #1a1a1a;
            --color-text-secondary: #4a4a4a;
            --color-text-muted: #7a7a8a;
            --color-text-light: #9a9aaa;
            --color-border: #e8eaef;
            --color-border-light: #f0f1f5;
            --color-success: #2ecc71;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 260px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 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-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            transition: padding-left var(--transition-base);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-top: 0;
        }
        h1 {
            font-size: 2.25rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 1.75rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        /* ========== SIDEBAR / OFFCANVAS ========== */
        #sidebarOffcanvas {
            background: var(--color-primary);
            color: #fff;
            border-right: none;
            width: var(--sidebar-width);
            flex-direction: column;
            box-shadow: var(--shadow-xl);
        }
        #sidebarOffcanvas .offcanvas-header {
            padding: 1.5rem 1.25rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-shrink: 0;
        }
        #sidebarOffcanvas .offcanvas-body {
            padding: 0.75rem 0.5rem;
            display: flex;
            flex-direction: column;
            gap: 2px;
            overflow-y: auto;
            flex: 1;
        }
        .sidebar-brand {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }
        .sidebar-brand i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 1px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .sidebar-nav a:hover i {
            color: var(--color-accent-light);
        }
        .sidebar-nav a.active,
        .sidebar-nav a[aria-current="page"] {
            background: rgba(212, 168, 83, 0.18);
            color: #fff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }
        .sidebar-nav a.active i,
        .sidebar-nav a[aria-current="page"] i {
            color: var(--color-accent);
        }
        .sidebar-footer-note {
            margin-top: auto;
            padding: 1rem 1rem 0.5rem;
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        /* Desktop: offcanvas as fixed sidebar */
        @media (min-width: 992px) {
            #sidebarOffcanvas {
                transform: none !important;
                visibility: visible !important;
                position: fixed;
                top: 0;
                left: 0;
                height: 100vh;
                width: var(--sidebar-width);
                z-index: 1040;
                flex-direction: column;
            }
            #sidebarOffcanvas .btn-close {
                display: none !important;
            }
            #sidebarOffcanvas .offcanvas-header {
                display: flex;
            }
            .offcanvas-backdrop {
                display: none !important;
            }
            body {
                padding-left: var(--sidebar-width);
            }
            .mobile-header {
                display: none !important;
            }
        }

        /* Mobile header */
        @media (max-width: 991.98px) {
            body {
                padding-left: 0;
            }
            #sidebarOffcanvas {
                width: 280px;
                z-index: 1055;
            }
            #sidebarOffcanvas .btn-close {
                filter: invert(1) brightness(2);
                opacity: 0.8;
            }
            .mobile-header {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0.7rem 1rem;
                background: var(--color-primary);
                color: #fff;
                position: sticky;
                top: 0;
                z-index: 1030;
                box-shadow: var(--shadow-md);
                gap: 0.75rem;
            }
            .mobile-header .brand-sm {
                font-family: var(--font-heading);
                font-weight: 700;
                font-size: 1.1rem;
                letter-spacing: 0.02em;
                display: flex;
                align-items: center;
                gap: 8px;
                white-space: nowrap;
            }
            .mobile-header .brand-sm i {
                color: var(--color-accent);
                font-size: 1.2rem;
            }
            .mobile-header .btn-toggle {
                background: rgba(255, 255, 255, 0.1);
                border: 1px solid rgba(255, 255, 255, 0.25);
                color: #fff;
                border-radius: var(--radius-sm);
                padding: 0.4rem 0.65rem;
                font-size: 1.15rem;
                transition: background var(--transition-fast);
                flex-shrink: 0;
            }
            .mobile-header .btn-toggle:hover {
                background: rgba(255, 255, 255, 0.2);
            }
            .main-wrapper {
                width: 100%;
            }
        }
        @media (min-width: 992px) {
            .main-wrapper {
                margin-left: 0;
                width: 100%;
                max-width: 100%;
            }
        }

        /* ========== MAIN CONTENT ========== */
        .main-wrapper {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        main {
            flex: 1;
            padding-bottom: 0;
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 3.5rem 0;
        }
        .section-sm {
            padding: 2rem 0;
        }
        .section-lg {
            padding: 5rem 0;
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 2.25rem 0;
            }
            .section-lg {
                padding: 3rem 0;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== BANNER ========== */
        .banner-section {
            position: relative;
            background: linear-gradient(135deg, #1B2A4A 0%, #1a3555 40%, #1a2840 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            color: #fff;
            padding: 4.5rem 0;
            overflow: hidden;
        }
        .banner-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 42, 74, 0.82) 0%, rgba(27, 42, 74, 0.7) 100%);
            z-index: 1;
        }
        .banner-section .container {
            position: relative;
            z-index: 2;
        }
        .banner-breadcrumb {
            display: flex;
            gap: 0.4rem;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }
        .banner-breadcrumb a:hover {
            color: var(--color-accent-light);
        }
        .banner-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }
        .banner-breadcrumb .current {
            color: var(--color-accent-light);
            font-weight: 500;
        }
        .banner-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .banner-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.6;
        }
        @media (max-width: 767.98px) {
            .banner-section {
                padding: 2.5rem 0;
            }
            .banner-title {
                font-size: 1.6rem;
            }
            .banner-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border-light);
        }
        .card-custom .card-img-top {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .card-custom .card-body {
            padding: 1.25rem 1.35rem;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.2rem 0.65rem;
            border-radius: 50px;
            margin-bottom: 0.5rem;
            letter-spacing: 0.01em;
        }
        .tag-hot {
            background: #fde8e5;
            color: var(--color-highlight);
        }
        .tag-recommend {
            background: #fef6e8;
            color: var(--color-accent-dark);
        }
        .tag-new {
            background: #e5f2ff;
            color: #2563eb;
        }
        .card-custom .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .card-custom .card-text {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            margin-bottom: 0.75rem;
        }
        .card-custom .card-meta {
            font-size: 0.78rem;
            color: var(--color-text-light);
            display: flex;
            gap: 1rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .card-custom .card-meta i {
            margin-right: 3px;
            font-size: 0.7rem;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .stat-item {
            flex: 1 1 25%;
            min-width: 140px;
            text-align: center;
            padding: 1.75rem 1rem;
            border-right: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }
        .stat-item:last-child {
            border-right: none;
        }
        .stat-item:hover {
            background: #fafbfc;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 0.35rem;
            font-family: var(--font-heading);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        @media (max-width: 767.98px) {
            .stat-item {
                flex: 1 1 50%;
                border-bottom: 1px solid var(--color-border-light);
                border-right: 1px solid var(--color-border-light);
                padding: 1.25rem 0.75rem;
            }
            .stat-item:nth-child(even) {
                border-right: none;
            }
            .stat-item:nth-child(n+3) {
                border-bottom: none;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
        }

        /* ========== BUTTONS ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.4rem;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-brand-primary {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-brand-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-brand-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-brand-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-brand-accent-outline {
            background: transparent;
            color: var(--color-accent-dark);
            border: 2px solid var(--color-accent);
        }
        .btn-brand-accent-outline:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-brand-sm {
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            border-radius: var(--radius-sm);
        }
        .btn-brand-lg {
            padding: 0.8rem 2rem;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        /* ========== EXPERT CARD ========== */
        .expert-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .expert-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--color-accent);
            margin-bottom: 1rem;
            box-shadow: var(--shadow-sm);
        }
        .expert-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 0.2rem;
        }
        .expert-role {
            font-size: 0.8rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .expert-desc {
            font-size: 0.84rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        .expert-stats-mini {
            display: flex;
            gap: 1rem;
            margin-top: 0.75rem;
            font-size: 0.78rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .expert-stats-mini span {
            background: #f8f9fb;
            padding: 0.25rem 0.6rem;
            border-radius: 50px;
            white-space: nowrap;
        }

        /* ========== REVIEW CARD ========== */
        .review-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            height: 100%;
            position: relative;
        }
        .review-card .review-stars {
            color: #f0b90b;
            font-size: 0.85rem;
            letter-spacing: 2px;
            margin-bottom: 0.6rem;
        }
        .review-card .review-text {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            font-style: italic;
            margin-bottom: 1rem;
        }
        .review-card .review-author {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-primary);
        }
        .review-card .review-date {
            font-size: 0.72rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ ACCORDION ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.6rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--color-card);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            background: var(--color-card);
            padding: 1rem 1.25rem;
            box-shadow: none;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: #fafbfc;
            color: var(--color-accent-dark);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.2);
            border-color: var(--color-accent);
        }
        .accordion-custom .accordion-button:hover {
            background: #fafbfc;
        }
        .accordion-custom .accordion-body {
            padding: 1rem 1.25rem 1.25rem;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA BLOCK ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, #1a3555 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: rgba(212, 168, 83, 0.1);
            border-radius: 50%;
            top: -60px;
            right: -40px;
            pointer-events: none;
        }
        .cta-block h3 {
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 1.25rem;
            position: relative;
            z-index: 1;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-block .btn-brand-primary {
            position: relative;
            z-index: 1;
        }
        @media (max-width: 767.98px) {
            .cta-block {
                padding: 2rem 1.25rem;
            }
            .cta-block h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== FOOTER ========== */
        .app-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 2rem 0 1.25rem;
            font-size: 0.88rem;
            margin-top: auto;
        }
        .app-footer .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .app-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.4rem;
            margin-top: 0.5rem;
        }
        .app-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.84rem;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .app-footer .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .app-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 1.25rem;
            padding-top: 1rem;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 767.98px) {
            .app-footer .footer-links {
                justify-content: flex-start;
                margin-top: 0.75rem;
            }
            .app-footer .text-md-end {
                text-align: left !important;
            }
        }

        /* ========== SECTION HEADER ========== */
        .section-header {
            margin-bottom: 2rem;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent-dark);
            background: #fef6e8;
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
            margin-bottom: 0.5rem;
        }
        .section-header h2 {
            margin-bottom: 0.35rem;
        }
        .section-header .section-desc {
            color: var(--color-text-muted);
            font-size: 0.92rem;
            max-width: 550px;
        }

        /* ========== HIGHLIGHT RIBBON ========== */
        .highlight-ribbon {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #e8f5e9;
            color: #2e7d32;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.75rem;
            border-radius: 50px;
            margin-bottom: 0.6rem;
        }
        .highlight-ribbon i {
            font-size: 0.65rem;
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent-dark);
        }
        .text-muted-custom {
            color: var(--color-text-muted);
        }
        .fw-semibold {
            font-weight: 600;
        }
        .gap-3-custom {
            gap: 1.25rem;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a2b4c;
            --color-primary-light: #233860;
            --color-accent: #c8a45c;
            --color-accent-light: #d9bc7a;
            --color-accent-dark: #a8883e;
            --color-bg: #f7f5f0;
            --color-white: #ffffff;
            --color-text: #1e1e1e;
            --color-text-soft: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-card-bg: #ffffff;
            --color-section-alt: #f2efe8;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.12);
            --sidebar-width: 240px;
            --topbar-height: 56px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-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: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
        }

        /* ========== SIDEBAR ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #ffffff;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-base);
        }
        .sidebar-logo {
            padding: 22px 20px 18px;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            text-align: center;
            line-height: 1.3;
        }
        .sidebar-logo .logo-icon {
            display: block;
            font-size: 2rem;
            margin-bottom: 4px;
            color: var(--color-accent);
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            padding: 10px 0;
            flex: 1;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .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, 0.3);
        }
        .sidebar-nav a.active,
        .sidebar-nav a[aria-current="page"] {
            color: #ffffff;
            background: rgba(200, 164, 92, 0.18);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }
        .sidebar-footer-note {
            padding: 14px 20px;
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.35);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            line-height: 1.5;
        }

        /* ========== MAIN CONTENT ========== */
        .app-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin var(--transition-base);
        }
        .main-content {
            flex: 1;
        }

        /* ========== TOP BAR (mobile) ========== */
        .topbar-mobile {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--color-primary);
            color: #ffffff;
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        .topbar-mobile .topbar-brand {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            flex: 1;
            text-align: center;
        }
        .topbar-mobile .btn-menu {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 6px 8px;
            line-height: 1;
        }

        /* Offcanvas overlay for mobile sidebar */
        .sidebar-offcanvas {
            visibility: hidden;
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1060;
            transform: translateX(-100%);
            transition: transform var(--transition-base), visibility var(--transition-base);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.25);
        }
        .sidebar-offcanvas.show {
            visibility: visible;
            transform: translateX(0);
        }
        .sidebar-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1055;
        }
        .sidebar-backdrop.show {
            display: block;
        }
        .sidebar-offcanvas .sidebar-nav a {
            padding: 13px 20px;
        }

        /* ========== SECTION SPACING ========== */
        .section-py {
            padding: 50px 0;
        }
        .section-py-sm {
            padding: 32px 0;
        }
        .section-py-lg {
            padding: 64px 0;
        }
        .section-heading {
            margin-bottom: 32px;
        }
        .section-heading h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .section-heading .heading-line {
            display: inline-block;
            width: 44px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: 4px;
        }
        .section-heading p {
            color: var(--color-text-soft);
            margin-top: 8px;
            font-size: 0.95rem;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border-light);
        }
        .card-custom .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(26, 43, 76, 0.06);
            color: var(--color-primary);
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .card-custom h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .card-custom p {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== BADGE / TAG ========== */
        .badge-accent {
            background: rgba(200, 164, 92, 0.15);
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.78rem;
            padding: 5px 10px;
            border-radius: 20px;
            letter-spacing: 0.02em;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            display: inline-block;
            background: var(--color-section-alt);
            color: var(--color-text-soft);
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 16px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }
        .tag-item:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        /* ========== BUTTONS ========== */
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-outline-accent {
            background: transparent;
            color: var(--color-accent-dark);
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-md);
            padding: 9px 20px;
            font-weight: 600;
            font-size: 0.92rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }
        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-primary-solid {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 0.92rem;
            transition: all var(--transition-base);
        }
        .btn-primary-solid:hover {
            background: var(--color-primary-light);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        /* ========== BANNER ========== */
        .page-banner {
            background: linear-gradient(135deg, rgba(26, 43, 76, 0.88) 0%, rgba(26, 43, 76, 0.75) 100%), url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: #ffffff;
            padding: 60px 0;
            position: relative;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            overflow: hidden;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }
        .page-banner h1 {
            font-size: 2.1rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }
        .page-banner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
        }

        /* ========== DATA BLOCK ========== */
        .data-card {
            background: var(--color-card-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-card .data-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }
        .data-card .data-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .data-card .data-trend {
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 4px;
        }
        .trend-up {
            color: #2e7d32;
        }
        .trend-down {
            color: #c62828;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 16px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .faq-item h4:hover {
            color: var(--color-accent-dark);
        }
        .faq-item h4 i {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            color: var(--color-text-soft);
            font-size: 0.9rem;
            line-height: 1.7;
            padding-left: 26px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            color: #ffffff;
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            text-align: center;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 22px;
            font-size: 0.95rem;
        }

        /* ========== IMAGE WRAPPER ========== */
        .img-rounded {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .img-rounded img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }

        /* ========== FOOTER ========== */
        .app-footer {
            background: var(--color-primary);
            color: #ffffff;
            padding: 28px 0 20px;
            margin-top: auto;
        }
        .app-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: #ffffff;
        }
        .app-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .app-footer .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .app-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .app-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 18px;
            padding-top: 14px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            line-height: 1.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none;
            }
            .app-main {
                margin-left: 0;
            }
            .topbar-mobile {
                display: flex;
            }
            .app-main {
                padding-top: var(--topbar-height);
            }
            .page-banner {
                border-radius: 0;
                padding: 40px 16px;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .section-py {
                padding: 36px 0;
            }
            .section-py-lg {
                padding: 44px 0;
            }
            .cta-section {
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.25rem;
            }
            .section-heading h2 {
                font-size: 1.4rem;
            }
            .card-custom {
                padding: 18px 14px;
            }
            .data-card .data-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .page-banner p {
                font-size: 0.85rem;
            }
            .section-heading h2 {
                font-size: 1.2rem;
            }
            .card-custom h3 {
                font-size: 1rem;
            }
            .data-card {
                padding: 14px 10px;
            }
            .data-card .data-value {
                font-size: 1.25rem;
            }
            .btn-accent,
            .btn-outline-accent,
            .btn-primary-solid {
                font-size: 0.82rem;
                padding: 8px 16px;
            }
            .footer-links {
                gap: 8px;
                justify-content: flex-start;
                margin-top: 8px;
            }
            .app-footer .footer-links a {
                font-size: 0.75rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0d1b3e;
            --color-primary-light: #152852;
            --color-accent: #c9a96e;
            --color-accent-light: #d9bf8a;
            --color-accent-dark: #b8934f;
            --color-bg: #f5f6f8;
            --color-white: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #5a6070;
            --color-text-light: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f3;
            --color-success: #2e7d5b;
            --color-warning: #e8a020;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --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);
            --sidebar-width: 250px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s 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: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* ============ SIDEBAR ============ */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-normal);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }
        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .sidebar-logo a:hover {
            color: var(--color-accent-light);
        }
        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .sidebar-nav {
            flex: 1;
            padding: 10px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
        }
        .sidebar-nav a.active {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(201, 169, 110, 0.35);
        }
        .sidebar-nav a.active i {
            color: var(--color-primary);
        }
        .sidebar-footer-tag {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

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

        /* Mobile top bar */
        .mobile-top-bar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1035;
            background: var(--color-primary);
            padding: 10px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-top-bar .mobile-logo {
            font-weight: 700;
            font-size: 1.05rem;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-top-bar .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--color-primary);
        }
        .mobile-toggle-btn {
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-toggle-btn:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* Sidebar overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1039;
            opacity: 0;
            transition: opacity var(--transition-normal);
            pointer-events: none;
        }
        .sidebar-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: 50px 0;
        }
        .section-sm {
            padding: 32px 0;
        }
        .section-lg {
            padding: 64px 0;
        }
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            margin-bottom: 28px;
        }
        .section-divider {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        /* ============ HERO ============ */
        .hero-banner {
            position: relative;
            background: linear-gradient(160deg, #0d1b3e 0%, #152852 40%, #1a3360 100%);
            color: #ffffff;
            padding: 60px 0 56px;
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-banner .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 27, 62, 0.55) 0%, rgba(13, 27, 62, 0.85) 100%);
            z-index: 1;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-breadcrumb {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
        }
        .hero-breadcrumb a:hover {
            color: var(--color-accent-light);
        }
        .hero-breadcrumb span {
            color: var(--color-accent-light);
        }
        .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            line-height: 1.8;
        }
        .hero-meta-row {
            display: flex;
            gap: 24px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-meta-item i {
            color: var(--color-accent);
            font-size: 0.85rem;
        }

        /* ============ CARDS ============ */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .card-custom .card-body-custom {
            padding: 22px 20px;
        }
        .card-custom .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }
        .card-icon.blue {
            background: #e8f0fa;
            color: #1a4d8f;
        }
        .card-icon.gold {
            background: #fdf3e0;
            color: #b8934f;
        }
        .card-icon.green {
            background: #e8f5ee;
            color: #2e7d5b;
        }
        .card-icon.purple {
            background: #f0e8f5;
            color: #5b3d8f;
        }
        .card-custom .card-title-sm {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .card-custom .card-text-sm {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }

        /* Match card */
        .match-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            height: 100%;
        }
        .match-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .match-card .match-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .match-card .match-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .match-card:hover .match-img-wrap img {
            transform: scale(1.04);
        }
        .match-card .match-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 20px;
            z-index: 2;
        }
        .match-card .match-body {
            padding: 18px 16px;
        }
        .match-card .match-teams {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .match-card .match-league {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }
        .match-card .match-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .match-card .match-tags span {
            font-size: 0.72rem;
            padding: 3px 9px;
            border-radius: 14px;
            background: #f0f3f7;
            color: var(--color-text-soft);
        }

        /* ============ STATS ROW ============ */
        .stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .stat-card {
            flex: 1;
            min-width: 140px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .stat-card .stat-value.accent {
            color: var(--color-accent-dark);
        }
        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            margin-top: 4px;
        }

        /* ============ LIST ============ */
        .report-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .report-list li {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            padding: 16px 18px;
            transition: all var(--transition-fast);
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .report-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .report-list .report-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
        }
        .report-list .report-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 3px;
        }
        .report-list .report-info p {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }
        .report-list .report-link {
            font-size: 0.8rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            white-space: nowrap;
            align-self: center;
            flex-shrink: 0;
        }

        /* ============ BUTTONS ============ */
        .btn-accent {
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            border: none;
            padding: 10px 22px;
            border-radius: 25px;
            transition: all var(--transition-fast);
            font-size: 0.9rem;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            text-decoration: none;
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: var(--color-primary);
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline-white {
            background: transparent;
            color: #ffffff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            padding: 10px 22px;
            border-radius: 25px;
            font-weight: 500;
            transition: all var(--transition-fast);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            text-decoration: none;
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }
        .btn-primary-custom {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            border: none;
            padding: 10px 22px;
            border-radius: 25px;
            transition: all var(--transition-fast);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--color-primary-light);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(13, 27, 62, 0.35);
            transform: translateY(-1px);
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: background var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            background: #fafbfc;
        }
        .faq-item .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-text-light);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent-dark);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 0.86rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 20px 18px;
        }

        /* ============ CTA BLOCK ============ */
        .cta-block {
            background: linear-gradient(145deg, #0d1b3e 0%, #1a3360 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            color: #ffffff;
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            font-size: 0.95rem;
        }

        /* ============ FOOTER ============ */
        .app-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 28px 0 20px;
            margin-top: auto;
            font-size: 0.85rem;
        }
        .app-footer .footer-brand {
            font-weight: 700;
            font-size: 1.1rem;
            color: #ffffff;
            letter-spacing: 0.03em;
        }
        .app-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 6px;
        }
        .app-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .app-footer .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .app-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 18px;
            padding-top: 14px;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1199.98px) {
            :root {
                --sidebar-width: 220px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .section {
                padding: 38px 0;
            }
            .section-lg {
                padding: 48px 0;
            }
        }

        @media (max-width: 991.98px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 1050;
            }
            .app-sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .app-main {
                margin-left: 0;
            }
            .mobile-top-bar {
                display: flex;
            }
            .hero-banner {
                padding: 40px 0 36px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .section {
                padding: 30px 0;
            }
            .section-lg {
                padding: 38px 0;
            }
            .match-card .match-img-wrap {
                height: 150px;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-card {
                min-width: 110px;
                padding: 14px 12px;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 767.98px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-desc {
                font-size: 0.84rem;
            }
            .hero-meta-row {
                gap: 12px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .match-card .match-img-wrap {
                height: 160px;
            }
            .cta-block {
                padding: 28px 18px;
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .report-list li {
                flex-direction: column;
                gap: 6px;
            }
            .report-list .report-link {
                align-self: flex-start;
            }
            .stats-row {
                gap: 8px;
            }
            .stat-card {
                min-width: 80px;
                padding: 12px 8px;
                flex: 1 1 40%;
            }
            .stat-card .stat-value {
                font-size: 1.3rem;
            }
            .stat-card .stat-label {
                font-size: 0.72rem;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                padding: 28px 0 24px;
            }
            .hero-title {
                font-size: 1.2rem;
            }
            .hero-desc {
                font-size: 0.78rem;
            }
            .section {
                padding: 22px 0;
            }
            .section-title {
                font-size: 1.15rem;
            }
            .card-custom .card-body-custom {
                padding: 14px;
            }
            .match-card .match-img-wrap {
                height: 130px;
            }
            .stat-card {
                padding: 10px 6px;
            }
            .stat-card .stat-value {
                font-size: 1.1rem;
            }
            .btn-accent,
            .btn-outline-white,
            .btn-primary-custom {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .faq-item .faq-question {
                padding: 12px 14px;
                font-size: 0.85rem;
            }
            .faq-item .faq-answer {
                padding: 0 14px;
                font-size: 0.78rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 14px 14px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1e3a5f;
            --primary-dark: #0d1b2a;
            --accent: #c8963e;
            --accent-light: #d4a855;
            --accent-dark: #a67c2e;
            --sidebar-bg: #0a1628;
            --sidebar-hover: rgba(255, 255, 255, 0.06);
            --sidebar-active: rgba(200, 150, 62, 0.18);
            --bg: #f4f5f7;
            --bg-white: #ffffff;
            --text: #1a1d23;
            --text-secondary: #5a5f6b;
            --text-muted: #8b8f98;
            --text-light: #b0b4bd;
            --border: #e2e5ea;
            --border-light: #eef0f4;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --sidebar-width: 260px;
            --topbar-height: 56px;
            --transition-fast: 0.18s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ========== SIDEBAR (Desktop) ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--sidebar-bg);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 20px rgba(0, 0, 0, 0.25);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-brand {
            padding: 22px 20px 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand a {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-brand a:hover {
            color: var(--accent-light);
        }
        .sidebar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .sidebar-nav {
            flex: 1;
            padding: 12px 10px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.94rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            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(--sidebar-hover);
            color: #ffffff;
        }
        .sidebar-nav a.active {
            background: var(--sidebar-active);
            color: var(--accent-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .sidebar-footer-info {
            padding: 14px 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            flex-shrink: 0;
            text-align: center;
        }

        /* ========== MOBILE TOPBAR ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--sidebar-bg);
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar .topbar-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mobile-topbar .topbar-brand .brand-icon-sm {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: #fff;
        }
        .hamburger-btn {
            background: transparent;
            color: #ffffff;
            font-size: 1.35rem;
            padding: 6px 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== OFFCANVAS (Mobile) ========== */
        .offcanvas-sidebar {
            background: var(--sidebar-bg);
            color: #fff;
            width: 280px !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 18px;
        }
        .offcanvas-sidebar .offcanvas-title {
            font-weight: 700;
            font-size: 1.15rem;
            color: #fff;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 8px 10px;
        }
        .offcanvas-sidebar .offcanvas-body a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.94rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .offcanvas-sidebar .offcanvas-body a i {
            width: 20px;
            text-align: center;
            flex-shrink: 0;
        }
        .offcanvas-sidebar .offcanvas-body a:hover {
            background: var(--sidebar-hover);
            color: #fff;
        }
        .offcanvas-sidebar .offcanvas-body a.active {
            background: var(--sidebar-active);
            color: var(--accent-light);
            font-weight: 600;
        }

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

        /* ========== BANNER ========== */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 22, 40, 0.82) 0%, rgba(30, 58, 95, 0.7) 50%, rgba(10, 22, 40, 0.85) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 50px 0;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 600px;
            line-height: 1.6;
        }
        .breadcrumb-custom {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 6px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 18px;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.8);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent-light);
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, 0.4);
        }
        .breadcrumb-custom .current {
            color: var(--accent-light);
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: 56px 0;
        }
        .section-block.bg-white-block {
            background: var(--bg-white);
        }
        .section-block.bg-light-block {
            background: var(--bg);
        }
        .section-block.bg-dark-block {
            background: var(--primary-dark);
            color: #fff;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 620px;
        }
        .bg-dark-block .section-title {
            color: #fff;
        }
        .bg-dark-block .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== CARDS ========== */
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .guide-card .card-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .guide-card .card-icon-wrap.icon-blue {
            background: #e8f0fa;
            color: #1e5faf;
        }
        .guide-card .card-icon-wrap.icon-gold {
            background: #fdf3e2;
            color: #c8963e;
        }
        .guide-card .card-icon-wrap.icon-green {
            background: #e6f4ec;
            color: #2d8a56;
        }
        .guide-card .card-icon-wrap.icon-purple {
            background: #f0e8f8;
            color: #6b3fa0;
        }
        .guide-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .guide-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .guide-card .card-img {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 18px;
            aspect-ratio: 16 / 10;
        }
        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .guide-card:hover .card-img img {
            transform: scale(1.04);
        }

        /* ========== STEP LIST ========== */
        .step-list {
            counter-reset: step-counter;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            counter-increment: step-counter;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-item:nth-child(even) .step-number {
            background: var(--accent);
        }
        .step-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .step-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== TIPS LIST ========== */
        .tips-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.95rem;
            color: var(--text);
        }
        .tips-list li:last-child {
            border-bottom: none;
        }
        .tips-list li i {
            color: var(--accent);
            margin-top: 3px;
            flex-shrink: 0;
            font-size: 1rem;
        }
        .tips-list li strong {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== CASE CARD ========== */
        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
        }
        .case-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .case-card .case-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }
        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .case-card:hover .case-img img {
            transform: scale(1.05);
        }
        .case-card .case-body {
            padding: 20px 18px;
        }
        .case-card .case-tag {
            display: inline-block;
            background: #fdf3e2;
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            margin-bottom: 8px;
        }
        .case-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .case-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ========== FAQ ACCORDION ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text);
            background: #fff;
            padding: 16px 20px;
            border-radius: var(--radius) !important;
            box-shadow: none;
            transition: all var(--transition-fast);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #f8fafc;
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.15);
            border-color: var(--accent);
        }
        .accordion-custom .accordion-button::after {
            background-size: 14px;
            transition: transform var(--transition-fast);
        }
        .accordion-custom .accordion-body {
            padding: 18px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, #15304f 100%);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }
        .cta-block h3 {
            font-size: 1.55rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 22px;
            font-size: 0.95rem;
        }
        .btn-cta {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }
        .btn-cta:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.5);
        }
        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-weight: 500;
            padding: 10px 28px;
            border-radius: 30px;
            font-size: 0.9rem;
            transition: all var(--transition);
            background: transparent;
        }
        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .app-footer {
            background: var(--primary-dark);
            color: #fff;
            padding: 32px 0 20px;
            margin-top: 0;
        }
        .app-footer .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .app-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .app-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .app-footer .footer-links a:hover {
            color: var(--accent-light);
        }
        .app-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 20px;
            padding-top: 16px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991.98px) {
            .app-sidebar {
                display: none;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .cta-block {
                padding: 30px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 767.98px) {
            .page-banner {
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.85rem;
            }
            .section-block {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .guide-card {
                padding: 20px 16px;
            }
            .guide-card h3 {
                font-size: 1rem;
            }
            .step-item {
                gap: 14px;
                padding: 16px 0;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .app-footer .footer-links {
                gap: 10px;
                justify-content: flex-start;
                margin-top: 12px;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                min-height: 190px;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .breadcrumb-custom {
                font-size: 0.75rem;
            }
            .cta-block h3 {
                font-size: 1.15rem;
            }
            .btn-cta {
                padding: 10px 24px;
                font-size: 0.85rem;
            }
        }