/* roulang page: index */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 0.5em;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
        }
        h2 {
            font-size: 1.9rem;
            font-weight: 700;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 700;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1em;
            color: var(--text-light);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .nav-links a.active {
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }
        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1051;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-slow);
        }
        .nav-mobile-menu.open {
            transform: translateX(0);
        }
        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition);
        }
        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .nav-mobile-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
        }

        /* ========== PROGRESS STEPS ========== */
        .progress-steps-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .progress-steps-bar::-webkit-scrollbar {
            display: none;
        }
        .progress-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            min-width: max-content;
            padding: 0 16px;
        }
        .progress-step {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            padding: 8px 18px;
            border-radius: 24px;
            transition: all var(--transition);
            white-space: nowrap;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            text-decoration: none;
            position: relative;
        }
        .progress-step:hover {
            color: var(--primary);
            text-decoration: none;
            background: var(--primary-light);
        }
        .progress-step .step-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: #fff;
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .progress-step.active .step-dot {
            background: var(--primary);
            color: #fff;
        }
        .progress-step.completed .step-dot {
            background: var(--primary);
            color: #fff;
        }
        .progress-step.active {
            color: var(--primary);
            font-weight: 700;
        }
        .progress-connector {
            width: 28px;
            height: 2px;
            background: var(--border);
            flex-shrink: 0;
            border-radius: 1px;
        }
        .progress-connector.done {
            background: var(--primary);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 30%;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 40, 28, 0.82) 0%, rgba(10, 25, 16, 0.7) 40%, rgba(8, 18, 12, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            padding: 60px 0;
        }
        .hero-content h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.5rem;
            line-height: 1.6;
            font-weight: 400;
        }
        .hero-content .hero-pain-point {
            font-size: 1.35rem;
            font-weight: 600;
            color: #ffd89b;
            margin-bottom: 1.2rem;
            line-height: 1.5;
        }
        .hero-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 1.5rem;
        }
        .hero-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius);
            border: 2px solid transparent;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.95);
            color: var(--text);
            transition: all var(--transition);
            height: 52px;
        }
        .hero-form input:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 4px rgba(224, 120, 48, 0.2);
        }
        .hero-form .btn-hero-cta {
            padding: 14px 32px;
            border-radius: var(--radius);
            background: var(--secondary);
            color: #fff;
            border: none;
            font-weight: 700;
            font-size: 1rem;
            height: 52px;
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
        }
        .hero-form .btn-hero-cta:hover {
            background: var(--secondary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }
        .hero-form .btn-hero-cta:active {
            transform: scale(0.98);
        }
        .hero-data-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 2rem;
        }
        .hero-data-item {
            text-align: left;
        }
        .hero-data-item .data-num {
            font-size: 2rem;
            font-weight: 800;
            color: #ffd89b;
            line-height: 1;
        }
        .hero-data-item .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        section {
            padding: 80px 0;
        }
        section.section-alt {
            background: var(--bg-white);
        }
        section.section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        section.section-dark h2,
        section.section-dark h3 {
            color: #fff;
        }
        section.section-dark p {
            color: rgba(255, 255, 255, 0.8);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 0.4rem;
        }
        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 0.6rem;
            letter-spacing: 0.5px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.green {
            background: var(--primary-light);
            color: var(--primary);
        }
        .card-icon.orange {
            background: #fef5ee;
            color: var(--secondary);
        }
        .card-icon.gold {
            background: var(--accent-light);
            color: var(--accent);
        }
        .card-custom h3 {
            margin-bottom: 0.5rem;
        }
        .card-custom p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            background: var(--primary);
            color: #fff;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            text-align: center;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .btn-outline-custom {
            display: inline-block;
            padding: 11px 27px;
            border-radius: var(--radius);
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            text-align: center;
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            text-decoration: none;
            border-color: var(--primary-dark);
        }
        .btn-secondary-custom {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            background: var(--secondary);
            color: #fff;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            text-align: center;
        }
        .btn-secondary-custom:hover {
            background: var(--secondary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
        }

        /* ========== NEWS LIST ========== */
        .news-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: background var(--transition);
        }
        .news-list-item:hover {
            background: #fafdfb;
        }
        .news-date-badge {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
            background: var(--primary-light);
            border-radius: var(--radius-sm);
            padding: 10px 6px;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--primary);
            line-height: 1.2;
        }
        .news-date-badge .day {
            font-size: 1.3rem;
            display: block;
        }
        .news-info h4 {
            margin-bottom: 4px;
            font-size: 1.05rem;
        }
        .news-info h4 a {
            color: var(--text);
            text-decoration: none;
        }
        .news-info h4 a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .news-info .news-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .news-tag {
            display: inline-block;
            padding: 3px 10px;
            background: #f5f5f5;
            border-radius: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-right: 6px;
        }

        /* ========== KPI ROW ========== */
        .kpi-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
            text-align: center;
        }
        .kpi-item {
            flex: 1;
            min-width: 140px;
            padding: 20px 16px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .kpi-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .kpi-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== MEDIA SCROLL ========== */
        .media-scroll-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            padding-bottom: 8px;
        }
        .media-scroll-wrapper::-webkit-scrollbar {
            height: 6px;
        }
        .media-scroll-wrapper::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }
        .media-scroll-row {
            display: flex;
            gap: 20px;
            min-width: max-content;
            padding: 4px 0;
        }
        .media-scroll-card {
            width: 300px;
            flex-shrink: 0;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .media-scroll-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .media-scroll-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .media-scroll-card .media-card-body {
            padding: 16px;
        }
        .media-scroll-card .media-card-body h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .media-scroll-card .media-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--bg-white);
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all var(--transition);
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 107, 63, 0.15);
            border-color: var(--primary);
        }
        .accordion-custom .accordion-body {
            padding: 16px 22px 22px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent);
            opacity: 0.6;
            line-height: 1;
            margin-bottom: 8px;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .testimonial-card .testimonial-author {
            font-weight: 700;
            color: var(--text);
            font-size: 0.9rem;
        }
        .testimonial-card .testimonial-tag {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== STICKY BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-dark);
            color: #fff;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.18);
            height: var(--sticky-bar-height);
        }
        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .sticky-bottom-bar .btn-sticky-cta {
            padding: 10px 24px;
            border-radius: 24px;
            background: var(--secondary);
            color: #fff;
            border: none;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .sticky-bottom-bar .btn-sticky-cta:hover {
            background: #f09040;
            transform: scale(1.03);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
            display: block;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== MEMBERSHIP TABLE ========== */
        .membership-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .membership-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 700px;
        }
        .membership-table th,
        .membership-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.95rem;
        }
        .membership-table th {
            background: var(--primary-light);
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-radius: 0;
        }
        .membership-table th:first-child {
            border-radius: var(--radius-sm) 0 0 0;
        }
        .membership-table th:last-child {
            border-radius: 0 var(--radius-sm) 0 0;
        }
        .membership-table tr:hover td {
            background: #fafdfb;
        }
        .membership-table .highlight-col {
            background: #fffdf7;
        }
        .membership-table .highlight-col td {
            font-weight: 600;
        }
        .badge-recommend {
            display: inline-block;
            padding: 4px 12px;
            background: var(--secondary);
            color: #fff;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .check-icon {
            color: var(--primary);
            font-weight: 700;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 24px;
            }
            .site-footer .footer-grid .footer-col:first-child {
                grid-column: 1 / -1;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero-content h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile-menu {
                display: flex;
            }
            .nav-mobile-overlay.show {
                display: block;
            }
            section {
                padding: 56px 0;
            }
            .hero-section {
                min-height: 60vh;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1.05rem;
            }
            .hero-content .hero-pain-point {
                font-size: 1.15rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .kpi-row {
                gap: 16px;
            }
            .kpi-item {
                min-width: 120px;
                padding: 16px 12px;
            }
            .kpi-num {
                font-size: 1.8rem;
            }
            .progress-steps {
                gap: 0;
            }
            .progress-step {
                padding: 6px 12px;
                font-size: 0.8rem;
                gap: 5px;
            }
            .progress-step .step-dot {
                width: 24px;
                height: 24px;
                font-size: 0.7rem;
            }
            .progress-connector {
                width: 16px;
            }
        }
        @media (max-width: 767px) {
            section {
                padding: 40px 0;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero-section {
                min-height: 55vh;
                align-items: flex-start;
                padding-top: 40px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-content .hero-pain-point {
                font-size: 1rem;
            }
            .hero-form {
                flex-direction: column;
                gap: 8px;
            }
            .hero-form input {
                min-width: auto;
            }
            .hero-data-row {
                gap: 16px;
            }
            .hero-data-item .data-num {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .sticky-bottom-bar {
                height: var(--sticky-bar-height-mobile);
                padding: 10px 14px;
                gap: 10px;
                font-size: 0.85rem;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.82rem;
            }
            .sticky-bottom-bar .btn-sticky-cta {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .news-list-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date-badge {
                width: auto;
                display: inline-flex;
                gap: 4px;
                padding: 6px 12px;
            }
            .news-date-badge .day {
                font-size: 1rem;
                display: inline;
            }
            .media-scroll-card {
                width: 240px;
            }
            .media-scroll-card img {
                height: 140px;
            }
            .kpi-row {
                flex-direction: column;
                gap: 12px;
            }
            .kpi-item {
                min-width: auto;
            }
            .card-custom {
                padding: 22px 18px;
            }
            .progress-steps-bar {
                padding: 8px 0;
            }
            .progress-step {
                padding: 5px 10px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .progress-step .step-dot {
                width: 22px;
                height: 22px;
                font-size: 0.65rem;
            }
            .progress-connector {
                width: 10px;
            }
            body {
                padding-bottom: var(--sticky-bar-height-mobile);
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-content .hero-pain-point {
                font-size: 0.9rem;
            }
            .hero-content .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-data-row {
                flex-direction: column;
                gap: 8px;
            }
            .btn-primary-custom,
            .btn-outline-custom,
            .btn-secondary-custom {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .accordion-custom .accordion-button {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .accordion-custom .accordion-body {
                padding: 12px 16px 16px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .nav-links a.active {
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-nav .separator {
            color: var(--border);
            user-select: none;
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #1a2f20 0%, #1b6b3f 40%, #0f3d22 100%);
            padding: 70px 0 80px;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.25;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .page-hero-content {
            flex: 1;
            min-width: 280px;
            color: #fff;
        }
        .page-hero-content .hero-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .page-hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero-content .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .page-hero-visual {
            flex: 0 0 380px;
            min-width: 280px;
            position: relative;
        }
        .page-hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .hero-stat-item {
            text-align: center;
            color: #fff;
        }
        .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
            line-height: 1;
        }
        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            opacity: 0.8;
            margin-top: 4px;
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 13px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(224, 120, 48, 0.35);
        }
        .btn-primary-custom:hover {
            background: var(--secondary-dark);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(224, 120, 48, 0.45);
            transform: translateY(-1px);
        }
        .btn-primary-custom:active {
            transform: scale(0.98);
        }
        .btn-outline-custom {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 12px 26px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .btn-primary-solid {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 12px 26px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(27, 107, 63, 0.3);
        }
        .btn-primary-solid:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(27, 107, 63, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary-solid:active {
            transform: scale(0.98);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            color: var(--text);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 44px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .card-custom p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            flex-grow: 1;
        }
        .card-custom .card-link {
            display: inline-block;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            text-decoration: none;
        }
        .card-custom .card-link:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        /* ========== TIER CARDS ========== */
        .tier-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            border: 2px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
            text-align: center;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .tier-card.featured {
            border-color: var(--accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
            background: #fffef9;
        }
        .tier-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .tier-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .tier-card .tier-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .tier-card .tier-icon {
            font-size: 2.8rem;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .tier-card.featured .tier-icon {
            color: var(--accent);
        }
        .tier-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 6px;
            color: var(--text);
        }
        .tier-card .tier-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .tier-card.featured .tier-price {
            color: var(--accent);
        }
        .tier-card .tier-features {
            list-style: none;
            text-align: left;
            padding: 0;
            margin: 0 0 20px 0;
            flex-grow: 1;
        }
        .tier-card .tier-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .tier-card .tier-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--primary);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .tier-card.featured .tier-features li::before {
            color: var(--accent);
        }

        /* ========== SCENE SECTION ========== */
        .scene-block {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .scene-block.reverse {
            flex-direction: row-reverse;
        }
        .scene-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .scene-image img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .scene-text {
            flex: 1;
            min-width: 300px;
        }
        .scene-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text);
        }
        .scene-text p {
            color: var(--text-light);
            line-height: 1.8;
            font-size: 1rem;
        }

        /* ========== DATA STRIP ========== */
        .data-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 40px 0;
        }
        .data-strip-item {
            text-align: center;
            min-width: 140px;
            flex: 1;
            padding: 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .data-strip-item .ds-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            line-height: 1;
        }
        .data-strip-item .ds-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--bg-white);
            padding: 18px 22px;
            border-radius: var(--radius) !important;
            box-shadow: none;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 107, 63, 0.15);
            border-color: var(--primary);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1b6b3f 0%, #0f3d22 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
            border-radius: 0;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-section .btn-primary-custom {
            font-size: 1.1rem;
            padding: 15px 36px;
        }

        /* ========== STICKY BAR ========== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-darker);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
            min-height: var(--sticky-bar-height);
        }
        .sticky-cta-bar .sticky-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .sticky-cta-bar .btn-primary-custom {
            padding: 10px 24px;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: var(--text-inverse);
            padding: 48px 0 20px;
            margin-bottom: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .page-hero-visual {
                flex: 0 0 320px;
            }
            .page-hero-content h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991px) {
            .page-hero .container {
                flex-direction: column;
                text-align: center;
            }
            .page-hero-content .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .page-hero-visual {
                flex: 0 0 auto;
                max-width: 420px;
                width: 100%;
            }
            .hero-stats-row {
                justify-content: center;
            }
            .scene-block {
                flex-direction: column;
                text-align: center;
            }
            .scene-block.reverse {
                flex-direction: column;
            }
            .scene-image {
                max-width: 500px;
                width: 100%;
            }
            .tier-card.featured {
                transform: none;
            }
            .tier-card.featured:hover {
                transform: translateY(-4px);
            }
            .section {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: fixed;
                top: var(--nav-height-mobile);
                right: 0;
                width: 260px;
                background: var(--bg-white);
                box-shadow: var(--shadow-xl);
                padding: 16px;
                gap: 4px;
                z-index: 1052;
                border-radius: 0 0 var(--radius) var(--radius);
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links.mobile-open a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .page-hero {
                padding: 44px 0 52px;
                min-height: auto;
            }
            .page-hero-content h1 {
                font-size: 1.8rem;
            }
            .page-hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-item .stat-number {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
            .section {
                padding: 40px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sticky-cta-bar {
                flex-direction: column;
                gap: 8px;
                padding: 8px 16px;
                min-height: var(--sticky-bar-height-mobile);
            }
            .sticky-cta-bar .sticky-text {
                font-size: 0.85rem;
            }
            .data-strip {
                gap: 12px;
            }
            .data-strip-item {
                min-width: 100px;
                padding: 14px;
            }
            .data-strip-item .ds-number {
                font-size: 1.6rem;
            }
            .tier-card {
                padding: 24px 18px;
            }
            .tier-card h3 {
                font-size: 1.2rem;
            }
            .tier-card .tier-price {
                font-size: 1.5rem;
            }
            .card-custom {
                padding: 22px 18px;
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            body {
                padding-bottom: var(--sticky-bar-height-mobile);
            }
            :root {
                --sticky-bar-height: 56px;
            }
        }
        @media (max-width: 520px) {
            .page-hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-primary-custom,
            .btn-outline-custom,
            .btn-primary-solid {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .breadcrumb-nav {
                font-size: 0.8rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .nav-links a.active {
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }
        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1051;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 6px;
            box-shadow: var(--shadow-xl);
        }
        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition);
        }
        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
            font-weight: 700;
        }
        .nav-mobile-menu .mobile-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 4px 8px;
            cursor: pointer;
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile-menu.open {
                display: flex;
            }
            .nav-mobile-overlay.open {
                display: block;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }
        .breadcrumb-bar .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--text-muted);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-list li+li::before {
            content: '›';
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-right: 4px;
        }
        .breadcrumb-list a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb-list a:hover {
            color: var(--primary);
        }
        .breadcrumb-list .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO - 拼团转化 ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding: 60px 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 30, 20, 0.82) 0%, rgba(20, 35, 25, 0.7) 50%, rgba(20, 28, 22, 0.78) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }
        .hero-text h1 .highlight {
            color: var(--accent);
            display: inline;
        }
        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 500px;
        }
        .hero-cta-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--secondary);
            color: #fff;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            box-shadow: 0 4px 18px rgba(224, 120, 48, 0.35);
        }
        .btn-primary-hero:hover {
            background: var(--secondary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(224, 120, 48, 0.45);
        }
        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.05rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: all var(--transition);
        }
        .btn-outline-hero:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .hero-group-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            color: #fff;
        }
        .hero-group-card .group-count {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }
        .hero-group-card .group-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }
        .hero-group-card .group-progress {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            justify-content: center;
        }
        .group-progress .progress-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #1a1f2b;
        }
        .group-progress .progress-bar-mini {
            flex: 1;
            height: 6px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 3px;
            overflow: hidden;
            max-width: 120px;
        }
        .group-progress .progress-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 3px;
            width: 72%;
        }
        .hero-group-card .group-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.15);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 16px;
        }
        .hero-group-card .group-mini-cta {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-sm-accent {
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--accent);
            color: #1a1f2b;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-sm-accent:hover {
            background: #d4b356;
            color: #1a1f2b;
            text-decoration: none;
            transform: translateY(-1px);
        }
        .btn-sm-outline-light {
            padding: 10px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-sm-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        @media (max-width: 768px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-group-card .group-count {
                font-size: 2.6rem;
            }
            .hero-section {
                min-height: auto;
                padding: 48px 0;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.centered {
            text-align: center;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-custom .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom .card-icon.green {
            background: var(--primary-light);
            color: var(--primary);
        }
        .card-custom .card-icon.orange {
            background: #fef3ea;
            color: var(--secondary);
        }
        .card-custom .card-icon.gold {
            background: var(--accent-light);
            color: #8b6914;
        }
        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card-custom p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 12px;
        }
        .card-custom .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-custom .card-link:hover {
            color: var(--primary-dark);
        }

        /* ========== TOPIC LIST ========== */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .topic-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 22px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
            text-decoration: none;
            color: inherit;
            border-radius: var(--radius-sm);
            margin-bottom: 2px;
        }
        .topic-item:hover {
            background: var(--bg);
            text-decoration: none;
            color: inherit;
        }
        .topic-item .topic-rank {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .topic-item .topic-rank.hot {
            background: #fef3ea;
            color: var(--secondary);
        }
        .topic-item .topic-info {
            flex: 1;
            min-width: 0;
        }
        .topic-item .topic-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .topic-item .topic-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .topic-item .topic-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            flex-shrink: 0;
            white-space: nowrap;
            margin-top: 2px;
        }
        .topic-item .topic-badge.orange {
            background: #fef3ea;
            color: var(--secondary);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 28px 20px;
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== SCENE BLOCK ========== */
        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .scene-block .scene-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .scene-block .scene-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .scene-block .scene-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }
        .scene-block .scene-content p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .scene-block .scene-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .scene-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .scene-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .scene-block .scene-image img {
                height: 240px;
            }
        }

        /* ========== POST CARDS GRID ========== */
        .post-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .post-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .post-card .post-thumb {
            height: 180px;
            overflow: hidden;
        }
        .post-card .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .post-card:hover .post-thumb img {
            transform: scale(1.05);
        }
        .post-card .post-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card .post-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }
        .post-card .post-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .post-card .post-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }
        @media (max-width: 991px) {
            .post-cards-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .post-cards-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 10px;
            background: var(--bg-white);
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text);
            background: var(--bg-white);
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 107, 63, 0.15);
            border-color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            background-size: 16px;
            transition: transform var(--transition);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px 22px;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a5e35 100%);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            border-radius: 0;
        }
        .cta-section .cta-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section .cta-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-cta-large {
            display: inline-block;
            padding: 15px 36px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.1rem;
            background: var(--secondary);
            color: #fff;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            box-shadow: 0 6px 24px rgba(224, 120, 48, 0.4);
        }
        .cta-section .btn-cta-large:hover {
            background: #f0883a;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(224, 120, 48, 0.5);
        }

        /* ========== STICKY BAR ========== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-dark);
            border-top: 2px solid var(--primary);
            padding: 12px 0;
            height: var(--sticky-bar-height);
            display: flex;
            align-items: center;
        }
        .sticky-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .sticky-cta-bar .sticky-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
        }
        .sticky-cta-bar .sticky-text strong {
            color: var(--accent);
        }
        .sticky-cta-bar .btn-sticky {
            padding: 10px 22px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--secondary);
            color: #fff;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .sticky-cta-bar .btn-sticky:hover {
            background: #f0883a;
            color: #fff;
            text-decoration: none;
            transform: scale(1.03);
        }
        @media (max-width: 576px) {
            .sticky-cta-bar {
                height: var(--sticky-bar-height-mobile);
                padding: 8px 0;
            }
            .sticky-cta-bar .sticky-text {
                font-size: 0.82rem;
            }
            .sticky-cta-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
            body {
                padding-bottom: var(--sticky-bar-height-mobile);
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: var(--text-inverse);
            padding: 48px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }

        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1051;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-xl);
        }

        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition);
        }

        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
            font-weight: 700;
        }

        .nav-mobile-menu .mobile-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 6px;
            margin-bottom: 12px;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 30, 20, 0.78) 0%, rgba(10, 18, 12, 0.65) 40%, rgba(5, 10, 6, 0.72) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        .hero-inner {
            max-width: 720px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            animation: pulse-badge 2.2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(224, 120, 48, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(224, 120, 48, 0);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            color: var(--accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(224, 120, 48, 0.35);
        }

        .btn-primary-custom:hover {
            background: var(--secondary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(224, 120, 48, 0.45);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
            transform: translateY(-2px);
        }

        .hero-countdown-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 16px 24px;
            max-width: 520px;
        }

        .countdown-label {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 44px;
        }

        .countdown-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            min-width: 44px;
            text-align: center;
        }

        .countdown-sep {
            font-size: 1.3rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1;
        }

        .countdown-desc {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            text-align: center;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--secondary);
            border-radius: 3px;
            margin: 0 auto 16px;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

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

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

        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }

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

        .card-custom .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .card-custom .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-custom .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .card-custom .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        .card-custom .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .card-custom .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
            text-decoration: none;
        }

        /* ========== FEATURE CARDS ========== */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            text-align: center;
        }

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

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.08);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

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

        /* ========== SCENE DEMO ========== */
        .scene-block {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .scene-block.reverse {
            flex-direction: row-reverse;
        }

        .scene-image {
            flex: 1 1 45%;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .scene-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            transition: transform var(--transition-slow);
        }

        .scene-image:hover img {
            transform: scale(1.03);
        }

        .scene-text {
            flex: 1 1 45%;
            min-width: 300px;
        }

        .scene-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.2px;
        }

        .scene-text p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* ========== STATS BAR ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            text-align: center;
        }

        .stat-item {
            flex: 1 1 180px;
            min-width: 140px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-article-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .deep-article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .deep-article-img {
            flex: 0 0 280px;
            min-width: 200px;
            overflow: hidden;
        }

        .deep-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            transition: transform var(--transition-slow);
        }

        .deep-article-card:hover .deep-article-img img {
            transform: scale(1.04);
        }

        .deep-article-body {
            flex: 1;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .deep-article-body h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .deep-article-body .article-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .deep-article-body .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

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

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--bg-white);
            border: none;
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 107, 63, 0.2);
            border-color: var(--primary);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px 20px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a5a35 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .btn-primary-custom {
            background: var(--secondary);
            font-size: 1.1rem;
            padding: 16px 36px;
            box-shadow: 0 6px 20px rgba(224, 120, 48, 0.4);
        }

        .cta-section .btn-primary-custom:hover {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
        }

        /* ========== STICKY BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-dark);
            border-top: 2px solid var(--secondary);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            height: var(--sticky-bar-height);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        }

        .sticky-bottom-bar .sticky-text {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .sticky-bottom-bar .sticky-text span {
            color: var(--accent);
        }

        .sticky-bottom-bar .btn-sticky {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .sticky-bottom-bar .btn-sticky:hover {
            background: #fff;
            color: var(--primary-dark);
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: var(--text-inverse);
            padding: 48px 0 20px;
            margin-bottom: var(--sticky-bar-height);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }

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

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb-bar .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb-bar a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .breadcrumb-bar .breadcrumb-sep {
            color: var(--border);
        }

        .breadcrumb-bar .breadcrumb-current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .deep-article-img {
                flex: 0 0 200px;
                min-width: 160px;
            }
            .scene-block {
                gap: 32px;
            }
            .section {
                padding: 56px 0;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 60vh;
            }
            .hero-countdown-bar {
                max-width: 100%;
                padding: 12px 16px;
                gap: 10px;
            }
            .countdown-num {
                font-size: 1.2rem;
                padding: 4px 8px;
                min-width: 34px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
            .footer-col ul {
                align-items: center;
            }
            .deep-article-card {
                flex-direction: column;
            }
            .deep-article-img {
                flex: 0 0 auto;
                min-width: 100%;
                aspect-ratio: 16 / 9;
            }
            .scene-block,
            .scene-block.reverse {
                flex-direction: column;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .sticky-bottom-bar {
                height: var(--sticky-bar-height-mobile);
                padding: 8px 14px;
                gap: 10px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.8rem;
            }
            .sticky-bottom-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .stats-row {
                gap: 14px;
            }
            .stat-item {
                flex: 1 1 120px;
                min-width: 100px;
                padding: 18px 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-section {
                min-height: 55vh;
            }
            .hero-countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .countdown-timer {
                gap: 6px;
            }
            .countdown-num {
                font-size: 1rem;
                min-width: 28px;
                padding: 3px 6px;
            }
            .countdown-sep {
                font-size: 1rem;
            }
            .card-custom .card-body-custom {
                padding: 14px;
            }
            .feature-card {
                padding: 22px 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }

        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1051;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
            transition: right var(--transition-slow);
        }

        .nav-mobile-menu.open {
            right: 0;
        }

        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition);
        }

        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }

        .nav-mobile-menu .mobile-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 6px 10px;
            cursor: pointer;
            margin-bottom: 10px;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb-bar .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-bar .breadcrumb-nav a {
            color: var(--text-muted);
            text-decoration: none;
        }

        .breadcrumb-bar .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .breadcrumb-bar .breadcrumb-nav .separator {
            color: #c0c0c0;
        }

        .breadcrumb-bar .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 60px 0;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 30, 20, 0.82) 0%, rgba(20, 35, 25, 0.7) 100%);
            z-index: 1;
        }

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

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-text h1 .highlight {
            color: var(--accent);
        }

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius);
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            background: var(--secondary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius);
            border: 2px solid rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        /* Flash sale card */
        .flash-sale-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-xl);
            text-align: center;
        }

        .flash-sale-card .flash-badge {
            display: inline-block;
            background: #e53935;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            animation: pulse-badge 1.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.06);
            }
        }

        .flash-sale-card .countdown-row {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .countdown-item {
            background: #1a1f2b;
            color: #fff;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 52px;
        }

        .countdown-item .cd-num {
            font-size: 1.5rem;
            font-weight: 800;
            line-height: 1;
            display: block;
        }

        .countdown-item .cd-label {
            font-size: 0.7rem;
            color: #bbb;
            display: block;
            margin-top: 2px;
        }

        .flash-sale-card .flash-product-img {
            width: 100%;
            max-width: 200px;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius);
            margin: 0 auto 14px;
        }

        .flash-sale-card .flash-product-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            margin-bottom: 4px;
        }

        .flash-sale-card .flash-points {
            color: var(--secondary);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 4px;
        }

        .flash-sale-card .flash-original {
            color: #999;
            text-decoration: line-through;
            font-size: 0.85rem;
            margin-bottom: 16px;
        }

        .btn-flash-grab {
            display: block;
            width: 100%;
            padding: 12px;
            background: #e53935;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }

        .btn-flash-grab:hover {
            background: #c62828;
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

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

        .section-header .section-title {
            margin-bottom: 8px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== INTRO SECTION ========== */
        .intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-block .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .intro-block .intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .intro-block .intro-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }

        .intro-block .intro-text p {
            color: var(--text-light);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .intro-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .intro-stat-item {
            text-align: center;
        }

        .intro-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .intro-stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== PRODUCT CARDS ========== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .product-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        .product-card .product-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--secondary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            z-index: 2;
        }

        .product-card .product-tag.hot {
            background: #e53935;
        }

        .product-card .product-tag.new {
            background: var(--primary);
        }

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

        .product-card .product-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .product-card .product-body .product-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex: 1;
        }

        .product-card .product-body .product-points {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--secondary);
            margin-bottom: 14px;
        }

        .product-card .product-body .btn-exchange {
            display: inline-block;
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius);
            text-align: center;
            text-decoration: none;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .product-card .product-body .btn-exchange:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* ========== EARN POINTS ========== */
        .earn-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .earn-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .earn-card .earn-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .earn-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text);
        }

        .earn-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: space-between;
            flex-wrap: wrap;
            position: relative;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 20px 16px;
            position: relative;
        }

        .process-step .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }

        .process-step h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--text);
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .process-connector {
            display: none;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent);
            opacity: 0.4;
            margin-bottom: 8px;
            line-height: 1;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .testimonial-card .testimonial-author {
            font-weight: 700;
            color: var(--text);
            font-size: 0.95rem;
        }

        .testimonial-card .testimonial-tag {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .accordion-custom .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--bg-white);
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius) !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 107, 63, 0.15);
            border-color: var(--primary);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-cta-large {
            display: inline-block;
            padding: 15px 36px;
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            border-radius: var(--radius);
            text-decoration: none;
            transition: all var(--transition);
            border: none;
        }

        .cta-section .btn-cta-large:hover {
            background: #fff;
            color: var(--primary-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
        }

        /* ========== STICKY BAR ========== */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: var(--sticky-bar-height);
            background: var(--bg-dark);
            color: #fff;
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 0 20px;
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
        }

        .sticky-bottom-bar .sticky-text {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .sticky-bottom-bar .btn-sticky {
            padding: 10px 24px;
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            border-radius: var(--radius);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .sticky-bottom-bar .btn-sticky:hover {
            background: var(--secondary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: var(--text-inverse);
            padding: 48px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            color: #fff;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
        }

        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .earn-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 991px) {
            .hero-inner {
                grid-template-columns: 1fr;
            }
            .hero-section {
                min-height: auto;
                padding: 48px 0;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .flash-sale-card {
                max-width: 420px;
                margin: 0 auto;
            }
            .intro-block {
                grid-template-columns: 1fr;
            }
            .intro-block .intro-image img {
                height: 280px;
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .earn-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                gap: 16px;
            }
            .section {
                padding: 48px 0;
            }
        }

        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile-menu {
                display: flex;
            }
            .nav-mobile-overlay.active {
                display: block;
            }
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-text .hero-subtitle {
                font-size: 1rem;
            }
            .product-grid {
                grid-template-columns: 1fr;
            }
            .earn-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .intro-stats-row {
                gap: 16px;
            }
            .sticky-bottom-bar {
                height: var(--sticky-bar-height-mobile);
                padding: 0 12px;
                gap: 10px;
            }
            .sticky-bottom-bar .sticky-text {
                font-size: 0.82rem;
            }
            .sticky-bottom-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .process-steps {
                flex-direction: column;
                align-items: center;
            }
            .process-step {
                min-width: auto;
                max-width: 300px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .countdown-item {
                min-width: 44px;
                padding: 8px 10px;
            }
            .countdown-item .cd-num {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .intro-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .flash-sale-card {
                padding: 20px 16px;
            }
            .hero-section {
                padding: 32px 0;
            }
            .section {
                padding: 28px 0;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .nav-links a.active {
            font-weight: 700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }
        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }
        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1051;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-xl);
            transform: translateX(100%);
            transition: transform var(--transition-slow);
        }
        .nav-mobile-menu.open {
            transform: translateX(0);
        }
        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition);
        }
        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }
        .nav-mobile-menu .nav-mobile-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }
        .nav-mobile-menu .nav-mobile-close button {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb-nav .separator {
            color: var(--border);
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #1a2f1e 0%, #1b4a2e 30%, #0f2b1a 60%, #1a1f2b 100%);
            padding: 60px 0;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-hero-content {
            flex: 1;
            min-width: 280px;
        }
        .category-hero-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .category-hero-content h1 span {
            color: var(--accent);
        }
        .category-hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            line-height: 1.7;
            max-width: 560px;
        }
        .category-hero-content .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .category-hero-content .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .category-hero-content .hero-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
        }
        .category-hero-content .hero-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .category-hero-visual {
            flex: 0 0 340px;
            min-width: 240px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 3px solid rgba(255, 255, 255, 0.15);
        }
        .category-hero-visual img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            display: block;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 640px;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-title {
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 28px;
            transition: all var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-custom .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .card-custom .card-text {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== PRODUCT CARDS ========== */
        .product-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .product-card .product-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .product-card .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .product-card:hover .product-image img {
            transform: scale(1.05);
        }
        .product-card .product-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--secondary);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            z-index: 1;
        }
        .product-card .product-badge.hot {
            background: #e04040;
        }
        .product-card .product-badge.limited {
            background: var(--accent);
            color: #3d2e00;
        }
        .product-card .product-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card .product-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .product-card .product-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .product-card .product-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            margin-top: auto;
        }
        .product-card .product-points {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
        }
        .product-card .product-points small {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        .product-card .btn-exchange {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .product-card .btn-exchange:hover {
            background: var(--primary-dark);
            transform: scale(1.03);
        }
        .product-card .btn-exchange:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ========== FLOW STEPS ========== */
        .flow-steps {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            counter-reset: flow-step;
        }
        .flow-step {
            flex: 1;
            min-width: 200px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            position: relative;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            counter-increment: flow-step;
        }
        .flow-step:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .flow-step::before {
            content: counter(flow-step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 auto 16px;
            line-height: 1;
        }
        .flow-step .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .flow-step .step-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .flow-step-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
            align-self: center;
        }

        /* ========== TIER TABLE ========== */
        .tier-cards {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .tier-card {
            flex: 1;
            min-width: 220px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 2px solid var(--border-light);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .tier-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .tier-card.featured {
            border-color: var(--accent);
            background: var(--accent-light);
            box-shadow: var(--shadow);
        }
        .tier-card .tier-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .tier-card.featured .tier-badge {
            background: var(--accent);
            color: #3d2e00;
        }
        .tier-card .tier-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 4px;
        }
        .tier-card .tier-points {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .tier-card.featured .tier-points {
            color: var(--accent);
        }
        .tier-card .tier-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
            text-align: left;
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.8;
        }
        .tier-card .tier-benefits li::before {
            content: '✓ ';
            color: var(--primary);
            font-weight: 700;
        }
        .tier-card.featured .tier-benefits li::before {
            color: var(--accent);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-cards {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .testimonial-card {
            flex: 1;
            min-width: 260px;
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
        }
        .testimonial-card .testimonial-stars {
            color: var(--accent);
            font-size: 0.95rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .testimonial-card .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text);
        }
        .testimonial-card .testimonial-tag {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            background: var(--bg-white);
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            background-size: 16px;
            transition: transform var(--transition);
        }
        .faq-accordion .accordion-body {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.75;
            padding: 16px 20px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #0f3d22 100%);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-primary {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius);
            font-size: 1.05rem;
            font-weight: 700;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(224, 120, 48, 0.4);
        }
        .btn-cta-primary:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(224, 120, 48, 0.5);
            color: #fff;
            text-decoration: none;
        }
        .btn-cta-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius);
            font-size: 1.05rem;
            font-weight: 700;
            border: 2px solid rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: all var(--transition);
            margin-left: 12px;
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        /* ========== STICKY BAR ========== */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-dark);
            border-top: 2px solid var(--primary);
            height: var(--sticky-bar-height);
            display: flex;
            align-items: center;
            box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
        }
        .sticky-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .sticky-bar .sticky-text {
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
        }
        .sticky-bar .sticky-text span {
            color: var(--accent);
        }
        .sticky-bar .btn-sticky {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            text-decoration: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .sticky-bar .btn-sticky:hover {
            background: var(--secondary-dark);
            transform: scale(1.03);
            color: #fff;
            text-decoration: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-inverse);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 4px;
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: #fff;
            text-decoration: none;
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .category-hero-visual {
                flex: 0 0 280px;
            }
            .category-hero-content h1 {
                font-size: 2.1rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 991px) {
            .category-hero {
                padding: 44px 0;
                min-height: auto;
            }
            .category-hero .container {
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }
            .category-hero-content h1 {
                font-size: 1.8rem;
            }
            .category-hero-content .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .category-hero-content .hero-stats {
                justify-content: center;
            }
            .category-hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .category-hero-visual img {
                height: 180px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .flow-steps {
                flex-direction: column;
                gap: 16px;
            }
            .flow-step-connector {
                display: none;
            }
            .tier-cards {
                flex-direction: column;
            }
            .tier-card {
                min-width: auto;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .sticky-bar .sticky-text {
                font-size: 0.9rem;
            }
        }
        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-mobile-menu {
                display: flex;
            }
            .nav-mobile-overlay.show {
                display: block;
            }
            .category-hero-content h1 {
                font-size: 1.5rem;
            }
            .category-hero-content .hero-stats {
                gap: 16px;
            }
            .category-hero-content .hero-stat .stat-number {
                font-size: 1.4rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            .product-card .product-image {
                height: 160px;
            }
            .testimonial-cards {
                flex-direction: column;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section .btn-cta-primary,
            .cta-section .btn-cta-outline {
                display: block;
                width: 100%;
                margin: 8px 0;
                text-align: center;
            }
            .btn-cta-outline {
                margin-left: 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .sticky-bar {
                height: var(--sticky-bar-height-mobile);
            }
            .sticky-bar .sticky-text {
                font-size: 0.82rem;
            }
            .sticky-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            body {
                padding-bottom: var(--sticky-bar-height-mobile);
            }
            :root {
                --sticky-bar-height: 56px;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                padding: 32px 0;
            }
            .category-hero-content h1 {
                font-size: 1.3rem;
            }
            .category-hero-visual img {
                height: 140px;
            }
            .product-card .product-image {
                height: 140px;
            }
            .card-custom {
                padding: 20px;
            }
            .tier-card {
                padding: 20px 16px;
            }
            .tier-card .tier-points {
                font-size: 1.5rem;
            }
            .faq-accordion .accordion-button {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --primary-glow: rgba(27, 107, 63, 0.12);
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --secondary-light: #fef5ee;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --bg-section-alt: #f3f0eb;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }

        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1051;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-xl);
        }

        .nav-mobile-menu.active {
            display: flex;
        }

        .nav-mobile-overlay.active {
            display: block;
        }

        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition);
        }

        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
            font-weight: 700;
        }

        .nav-mobile-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }

        .nav-mobile-close button {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            cursor: pointer;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .breadcrumb-nav .separator {
            color: var(--border);
            font-size: 0.8rem;
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO (无大图首屏) ========== */
        .category-hero {
            padding: 48px 0 40px;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

        .category-hero .hero-inner {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            width: fit-content;
            letter-spacing: 0.3px;
        }

        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin: 0;
        }

        .category-hero .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 720px;
        }

        .category-hero .icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 4px;
        }

        .icon-matrix .matrix-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg);
            padding: 14px 20px;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            flex: 1;
            min-width: 160px;
            max-width: 220px;
        }

        .icon-matrix .matrix-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
        }

        .icon-matrix .matrix-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .icon-matrix .matrix-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.3;
        }

        .category-hero .status-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            padding: 16px 20px;
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
        }

        .status-bar .status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .status-bar .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
        }

        .status-bar .status-value {
            font-weight: 700;
            color: var(--text);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--bg-section-alt);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-header {
            margin-bottom: 36px;
        }

        /* ========== STAT CARDS ========== */
        .stat-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .stat-card .stat-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: var(--primary);
        }

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.1;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .stat-card .stat-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 8px;
            padding: 3px 10px;
            border-radius: 12px;
        }

        .stat-trend.up {
            color: #16a34a;
            background: #f0fdf4;
        }

        .stat-trend.down {
            color: #dc2626;
            background: #fef2f2;
        }

        /* ========== DATA TABLE AREA ========== */
        .data-table-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .data-table-header {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .data-table-header h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0;
        }

        .data-table-tabs {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
        }

        .data-table-tabs .tab-btn {
            padding: 7px 16px;
            border-radius: 20px;
            border: 1px solid var(--border);
            background: var(--bg-white);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-light);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .data-table-tabs .tab-btn.active,
        .data-table-tabs .tab-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .data-table-body {
            overflow-x: auto;
        }

        .data-table-body table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .data-table-body th {
            background: var(--bg);
            padding: 14px 16px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text);
            text-align: left;
            border-bottom: 2px solid var(--border);
            white-space: nowrap;
        }

        .data-table-body td {
            padding: 14px 16px;
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border-light);
            white-space: nowrap;
        }

        .data-table-body tr:hover td {
            background: var(--primary-light);
        }

        .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text);
        }

        .team-cell .team-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 800;
            color: #fff;
        }

        .rank-badge {
            display: inline-block;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            text-align: center;
            line-height: 28px;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .rank-badge.top {
            background: #fef3c7;
            color: #b45309;
        }

        .rank-badge.good {
            background: #e0f2fe;
            color: #0369a1;
        }

        .rank-badge.normal {
            background: #f3f4f6;
            color: #6b7280;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .deep-content-block .content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .deep-content-block .content-text p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .deep-content-block .content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .deep-content-block .content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .highlight-box {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 20px 0;
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.7;
        }

        .highlight-box strong {
            color: var(--primary);
        }

        /* ========== COMPARISON CARDS ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .comparison-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .comparison-card .card-ribbon {
            position: absolute;
            top: 16px;
            right: -28px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 32px;
            transform: rotate(45deg);
            letter-spacing: 0.5px;
        }

        .comparison-card .card-header-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .comparison-card .card-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
            font-weight: 700;
        }

        .comparison-card .card-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
        }

        .comparison-card .card-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .comparison-card .card-stats {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 14px;
        }

        .comparison-card .card-stat-row {
            display: flex;
            justify-content: space-between;
            font-size: 0.88rem;
            color: var(--text-light);
            padding: 6px 0;
            border-bottom: 1px dashed var(--border-light);
        }

        .comparison-card .card-stat-row .stat-val {
            font-weight: 700;
            color: var(--text);
        }

        .progress-bar-custom {
            height: 8px;
            border-radius: 4px;
            background: #e5e7eb;
            overflow: hidden;
            margin-top: 4px;
        }

        .progress-bar-custom .fill {
            height: 100%;
            border-radius: 4px;
            background: var(--primary);
            transition: width 1.2s ease;
        }

        .progress-bar-custom .fill.secondary {
            background: var(--secondary);
        }

        .progress-bar-custom .fill.accent {
            background: var(--accent);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition);
            color: var(--text-muted);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0;
            background: var(--bg-dark);
            text-align: center;
        }

        .cta-section .cta-inner {
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .btn {
            display: inline-block;
            padding: 13px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 107, 63, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(27, 107, 63, 0.4);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-secondary-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-secondary-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            text-decoration: none;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: var(--radius-sm);
        }

        .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* ========== STICKY BAR ========== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-dark);
            border-top: 2px solid var(--primary);
            height: var(--sticky-bar-height);
            display: flex;
            align-items: center;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        }

        .sticky-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .sticky-cta-bar .sticky-text {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sticky-cta-bar .sticky-text span {
            color: var(--accent);
        }

        .sticky-cta-bar .btn-sticky {
            background: var(--secondary);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 0.9rem;
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .sticky-cta-bar .btn-sticky:hover {
            background: var(--secondary-dark);
            color: #fff;
            text-decoration: none;
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 120px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

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

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }

        .site-footer ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
            text-decoration: none;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .stat-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .icon-matrix .matrix-item {
                max-width: 180px;
            }
        }

        @media (max-width: 991px) {
            .category-hero h1 {
                font-size: 2rem;
            }
            .section {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .icon-matrix .matrix-item {
                max-width: none;
                flex: 1 1 140px;
            }
            .comparison-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .site-header {
                height: var(--nav-height-mobile);
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
            .stat-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .deep-content-block {
                gap: 20px;
            }
            .deep-content-block .content-image img {
                min-height: 200px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sticky-cta-bar {
                height: var(--sticky-bar-height-mobile);
            }
            .sticky-cta-bar .sticky-text {
                font-size: 0.82rem;
            }
            .sticky-cta-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .icon-matrix {
                gap: 10px;
            }
            .icon-matrix .matrix-item {
                min-width: 120px;
                padding: 10px 14px;
                font-size: 0.8rem;
            }
            .icon-matrix .matrix-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .data-table-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .category-hero .status-bar {
                gap: 12px;
                padding: 12px 14px;
            }
            body {
                padding-bottom: var(--sticky-bar-height-mobile);
            }
            .site-footer {
                padding-bottom: 100px;
            }
        }

        @media (max-width: 520px) {
            .stat-cards-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .icon-matrix .matrix-item {
                flex: 1 1 100%;
                max-width: none;
                min-width: auto;
            }
            .status-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .data-table-body table {
                min-width: 550px;
            }
            .data-table-body th,
            .data-table-body td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .sticky-cta-bar .sticky-text {
                font-size: 0.75rem;
            }
            .sticky-cta-bar .btn-sticky {
                padding: 7px 14px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #1b6b3f;
            --primary-dark: #145230;
            --primary-light: #e8f5ed;
            --secondary: #e07830;
            --secondary-dark: #c56420;
            --accent: #c9a84c;
            --accent-light: #fdf3d6;
            --bg: #faf8f5;
            --bg-white: #ffffff;
            --bg-dark: #1a1f2b;
            --bg-darker: #141820;
            --text: #2d2d2d;
            --text-light: #5a5a5a;
            --text-muted: #7a7a7a;
            --text-inverse: #f0f0f0;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.13);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition: 0.2s ease;
            --transition-slow: 0.35s ease;
            --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --container-max: 1200px;
            --nav-height: 64px;
            --nav-height-mobile: 56px;
            --sticky-bar-height: 64px;
            --sticky-bar-height-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: var(--sticky-bar-height);
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

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

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .nav-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition);
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }

        .nav-links a.active {
            font-weight: 700;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        .nav-mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1049;
        }

        .nav-mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: var(--bg-white);
            z-index: 1051;
            padding: 24px 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-xl);
        }

        .nav-mobile-menu.active {
            display: flex;
        }

        .nav-mobile-overlay.active {
            display: block;
        }

        .nav-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            transition: all var(--transition);
        }

        .nav-mobile-menu a:hover,
        .nav-mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-light);
            text-decoration: none;
        }

        .nav-mobile-menu a.active {
            font-weight: 700;
        }

        .nav-mobile-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }

        .nav-mobile-close button {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 8px;
            cursor: pointer;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb-nav a:hover {
            color: var(--primary);
            text-decoration: none;
        }

        .breadcrumb-nav .separator {
            color: var(--border);
            user-select: none;
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #1a2f1f 0%, #0d1f14 40%, #1b3d2a 100%);
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(13, 31, 20, 0.75) 0%, rgba(26, 47, 31, 0.85) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #1a2f1f;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-content h1 span {
            color: var(--accent);
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .btn-primary {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(224, 120, 48, 0.35);
        }

        .btn-primary:hover {
            background: var(--secondary-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(224, 120, 48, 0.45);
            transform: translateY(-1px);
            text-decoration: none;
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            text-decoration: none;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--text);
            border: 2px solid var(--border);
        }

        .btn-outline-dark:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            text-decoration: none;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-dark {
            background: var(--bg-dark);
            color: var(--text-inverse);
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.green {
            background: var(--primary-light);
            color: var(--primary);
        }

        .card-icon.orange {
            background: #fff3e8;
            color: var(--secondary);
        }

        .card-icon.gold {
            background: var(--accent-light);
            color: #8b6914;
        }

        .card-custom h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .card-custom p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            flex-grow: 1;
        }

        .card-custom .card-link {
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
        }

        .card-custom .card-link:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        /* ========== TOPIC CARDS ========== */
        .topic-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-slow);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .topic-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .topic-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            z-index: 2;
        }

        .topic-card-body {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .topic-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .topic-card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex-grow: 1;
        }

        .topic-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .topic-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== STEPS ========== */
        .steps-container {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            position: relative;
        }

        .step-number {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        .step-connector {
            display: none;
        }

        @media (min-width: 768px) {
            .step-item {
                padding-top: 0;
            }
            .step-item::after {
                content: '';
                position: absolute;
                top: 30px;
                left: calc(50% + 40px);
                width: calc(100% - 80px);
                height: 3px;
                background: var(--border);
                z-index: 1;
                border-radius: 2px;
            }
            .step-item:last-child::after {
                display: none;
            }
        }

        /* ========== INFO BLOCK ========== */
        .info-block {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .info-block.reverse {
            flex-direction: row-reverse;
        }

        .info-block-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .info-block-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .info-block-text {
            flex: 1;
            min-width: 300px;
        }

        .info-block-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .info-block-text p {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .info-block-text .highlight-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 4px;
        }

        .info-block-text .highlight-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .stat-card {
            flex: 1;
            min-width: 160px;
            max-width: 220px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            height: 100%;
            position: relative;
        }

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent);
            opacity: 0.6;
            margin-bottom: 10px;
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .quote-author {
            font-weight: 700;
            color: var(--text);
            font-size: 0.95rem;
        }

        .testimonial-card .quote-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition);
        }

        .accordion-custom .accordion-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-header button {
            background: var(--bg-white);
            border: none;
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition);
            border-radius: 0;
        }

        .accordion-custom .accordion-header button:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .accordion-custom .accordion-header button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
        }

        .accordion-custom .accordion-header button .accordion-icon {
            transition: transform var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .accordion-custom .accordion-header button:not(.collapsed) .accordion-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-custom .accordion-body {
            padding: 0 22px 20px 22px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a5e38 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            box-shadow: var(--shadow-lg);
        }

        .cta-section .btn:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
            text-decoration: none;
        }

        /* ========== STICKY BAR ========== */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-darker);
            padding: 0;
            height: var(--sticky-bar-height);
            display: flex;
            align-items: center;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        }

        .sticky-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            width: 100%;
        }

        .sticky-bar-text {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            font-size: 1rem;
            white-space: nowrap;
        }

        .sticky-bar .btn-sticky {
            background: var(--secondary);
            color: #fff;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: var(--radius);
            border: none;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .sticky-bar .btn-sticky:hover {
            background: var(--secondary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(224, 120, 48, 0.5);
            text-decoration: none;
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-inverse);
            padding: 50px 0 24px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }

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

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: #fff;
            text-decoration: none;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content h1 {
                font-size: 2.3rem;
            }
            .info-block {
                gap: 32px;
            }
            .info-block-image img {
                height: 300px;
            }
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .info-block {
                flex-direction: column;
                gap: 28px;
            }
            .info-block.reverse {
                flex-direction: column;
            }
            .info-block-image img {
                height: 260px;
            }
            .stats-row {
                gap: 14px;
            }
            .stat-card {
                min-width: 130px;
                max-width: 160px;
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .sticky-bar-text {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0 50px;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .section {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .steps-container {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }
            .step-item {
                max-width: 100%;
            }
            .step-item::after {
                display: none;
            }
            .info-block-image img {
                height: 220px;
            }
            .info-block-text h2 {
                font-size: 1.4rem;
            }
            .stats-row {
                gap: 10px;
            }
            .stat-card {
                min-width: 100px;
                max-width: 140px;
                padding: 16px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-label {
                font-size: 0.78rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .sticky-bar {
                height: var(--sticky-bar-height-mobile);
            }
            .sticky-bar-text {
                font-size: 0.82rem;
            }
            .sticky-bar .btn-sticky {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .topic-card-img {
                height: 160px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            body {
                padding-bottom: var(--sticky-bar-height-mobile);
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.45rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .stat-card {
                min-width: 80px;
                max-width: 110px;
                padding: 14px 8px;
                border-radius: var(--radius-sm);
            }
            .stat-card .stat-number {
                font-size: 1.3rem;
            }
            .stat-card .stat-label {
                font-size: 0.7rem;
            }
            .sticky-bar .container {
                gap: 8px;
            }
            .sticky-bar-text {
                font-size: 0.75rem;
            }
            .sticky-bar .btn-sticky {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 14px 26px;
                font-size: 1rem;
            }
        }