/* roulang page: index */
:root {
            --primary: #1F3A32;
            --primary-dark: #142A24;
            --primary-light: #2C4F44;
            --accent: #C2A878;
            --accent-light: #D8C6A4;
            --accent-dark: #A38B5E;
            --bg: #F7F6F2;
            --bg-warm: #F1EEE7;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A82;
            --border: #E3DFD5;
            --border-light: #EFEBE2;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 32px rgba(31, 58, 50, 0.10);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 50px;
            --transition-fast: 200ms ease;
            --transition-base: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--card-bg);
        }
        .section-deep {
            background-color: var(--primary);
            color: #F0EFEA;
        }
        .section-deep .section-title {
            color: #FFFFFF;
        }
        .section-deep .section-subtitle {
            color: rgba(240, 239, 234, 0.75);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-title-deep {
            color: #FFFFFF;
        }
        .section-title-deep::before {
            background: var(--accent-light);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.75;
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(194, 168, 120, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(194, 168, 120, 0.3);
            margin-bottom: 12px;
        }
        .badge-tag-deep {
            background: rgba(194, 168, 120, 0.2);
            color: var(--accent-light);
            border-color: rgba(194, 168, 120, 0.35);
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 246, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 14px 24px;
            flex-wrap: wrap;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .header-search {
            flex: 1 1 40%;
            min-width: 220px;
            max-width: 480px;
            position: relative;
        }
        .header-search input {
            width: 100%;
            padding: 10px 40px 10px 18px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            background: #FFFFFF;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-height: 44px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }
        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.2);
            outline: none;
        }
        .header-search .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
        }
        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .header-nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .header-nav-links a:hover {
            color: var(--primary);
            background: rgba(31, 58, 50, 0.06);
        }
        .header-nav-links a.active {
            color: var(--primary);
            background: rgba(31, 58, 50, 0.08);
            font-weight: 700;
        }
        .header-cta {
            margin-left: auto;
        }
        .header-cta .btn {
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .header-cta .btn:hover {
            background: var(--accent-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(31, 58, 50, 0.2);
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: rgba(31, 58, 50, 0.06);
        }

        @media (max-width: 992px) {
            .header-inner {
                gap: 12px;
            }
            .header-search {
                order: 10;
                flex: 1 1 100%;
                max-width: 100%;
            }
            .header-cta {
                margin-left: 0;
            }
            .header-nav-links {
                gap: 2px;
            }
            .header-nav-links a {
                padding: 6px 10px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
                gap: 8px;
            }
            .navbar-toggler-custom {
                display: block;
                margin-left: auto;
            }
            .header-nav-links {
                display: none;
                order: 11;
                flex: 1 1 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding-top: 8px;
                border-top: 1px solid var(--border-light);
            }
            .header-nav-links.open {
                display: flex;
            }
            .header-nav-links a {
                padding: 12px 14px;
                font-size: 14px;
            }
            .header-cta {
                display: none;
            }
            .header-cta.mobile-visible {
                display: block;
                order: 12;
                flex: 1 1 100%;
            }
            .header-cta.mobile-visible .btn {
                width: 100%;
            }
        }
        @media (max-width: 420px) {
            .header-logo {
                font-size: 17px;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
        }

        /* ========== Buttons ========== */
        .btn-hth {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-hth-primary {
            background: var(--primary);
            color: #FFFFFF;
        }
        .btn-hth-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(31, 58, 50, 0.25);
        }
        .btn-hth-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn-hth-accent:hover {
            background: var(--accent-dark);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(194, 168, 120, 0.3);
        }
        .btn-hth-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-hth-outline:hover {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(31, 58, 50, 0.15);
        }
        .btn-hth-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: 6px;
        }
        .btn-hth-lg {
            padding: 16px 36px;
            font-size: 16px;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-text .arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }
        .btn-text:hover {
            color: var(--accent-dark);
        }
        .btn-text:hover .arrow {
            transform: translateX(4px);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 60px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(31, 58, 50, 0.88) 0%, rgba(31, 58, 50, 0.65) 60%, rgba(20, 42, 36, 0.55) 100%);
            border-radius: 0;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #FFFFFF;
            padding-top: 20px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            background: rgba(194, 168, 120, 0.22);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
            border: 1px solid rgba(194, 168, 120, 0.35);
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 40px;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #FFFFFF;
            max-width: 720px;
        }
        .hero-title .highlight {
            color: var(--accent-light);
            border-bottom: 3px solid var(--accent);
            padding-bottom: 2px;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .hero-actions .btn-hth-primary {
            background: #FFFFFF;
            color: var(--primary);
            border-radius: var(--radius-pill);
            padding: 14px 32px;
            font-size: 16px;
        }
        .hero-actions .btn-hth-primary:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
        }
        .hero-actions .btn-hth-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
            border-radius: var(--radius-pill);
            padding: 14px 32px;
            font-size: 16px;
        }
        .hero-actions .btn-hth-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        /* Hero Stats */
        .hero-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
            padding-bottom: 40px;
            margin-top: -10px;
        }
        .stat-card-hero {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            min-width: 160px;
            flex: 1 1 160px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .stat-card-hero:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(194, 168, 120, 0.4);
            transform: translateY(-2px);
        }
        .stat-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            color: var(--accent-light);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
            margin-top: 4px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0 30px;
                min-height: 400px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .stat-number {
                font-size: 24px;
            }
            .stat-card-hero {
                padding: 14px 16px;
                min-width: 120px;
                flex-basis: 120px;
            }
        }

        /* ========== Brand Intro ========== */
        .brand-intro {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .brand-intro::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(194, 168, 120, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .brand-intro-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .brand-intro-text {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-secondary);
            max-width: 900px;
        }
        .brand-intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .brand-intro-image img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-md);
            transition: transform var(--transition-slow);
        }
        .brand-intro-image:hover img {
            transform: scale(1.03);
        }

        /* ========== Service Matrix ========== */
        .service-item {
            display: flex;
            gap: 20px;
            padding: 28px 24px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            transition: all var(--transition-base);
            position: relative;
        }
        .service-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(194, 168, 120, 0.4);
        }
        .service-number {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            min-width: 48px;
            text-align: center;
            line-height: 1;
            padding-top: 4px;
        }
        .service-body {
            flex: 1;
        }
        .service-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .service-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .service-tag-list {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .service-tag {
            font-size: 12px;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            background: rgba(31, 58, 50, 0.06);
            color: var(--primary);
            font-weight: 500;
            border: 1px solid rgba(31, 58, 50, 0.1);
        }
        .service-icon-box {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(31, 58, 50, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .service-item {
                padding: 20px 16px;
                gap: 14px;
                flex-wrap: wrap;
            }
            .service-number {
                font-size: 22px;
                min-width: 36px;
            }
            .service-icon-box {
                width: 44px;
                height: 44px;
                font-size: 20px;
            }
        }

        /* ========== News Center ========== */
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 4px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .news-item:hover {
            padding-left: 12px;
        }
        .news-date {
            min-width: 80px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            padding-top: 2px;
            white-space: nowrap;
        }
        .news-body {
            flex: 1;
        }
        .news-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-body h3 {
            color: var(--primary);
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                gap: 6px;
                padding: 16px 4px;
            }
            .news-date {
                min-width: auto;
            }
        }

        /* ========== Timeline ========== */
        .timeline-wrapper {
            position: relative;
            padding-left: 32px;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
            padding-left: 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--card-bg);
            box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.3);
        }
        .timeline-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            margin-bottom: 4px;
            font-family: var(--font-mono);
        }
        .timeline-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .timeline-cta {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            background: none;
            border: none;
            padding: 0;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== Comparison Table ========== */
        .comparison-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .comparison-header {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            background: var(--primary);
            color: #FFFFFF;
            padding: 16px 24px;
            font-weight: 700;
            font-size: 14px;
        }
        .comparison-header .col-label {
            text-align: center;
        }
        .comparison-row {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            font-size: 14px;
            transition: background var(--transition-fast);
        }
        .comparison-row:hover {
            background: rgba(31, 58, 50, 0.03);
        }
        .comparison-row .col-label {
            color: var(--text);
            font-weight: 600;
        }
        .comparison-row .col-value {
            text-align: center;
            color: var(--text-secondary);
        }
        .comparison-row .col-value.highlight {
            color: var(--primary);
            font-weight: 700;
        }
        .comparison-row .col-value.accent {
            color: var(--accent-dark);
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .comparison-header,
            .comparison-row {
                grid-template-columns: 1.5fr 1fr 1fr;
                padding: 12px 14px;
                font-size: 12px;
            }
        }

        /* ========== Hot List ========== */
        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 14px 18px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            transition: all var(--transition-base);
        }
        .hot-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
            border-color: rgba(194, 168, 120, 0.4);
        }
        .hot-rank {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            min-width: 40px;
            text-align: center;
        }
        .hot-rank.top1 {
            color: var(--primary);
        }
        .hot-body {
            flex: 1;
        }
        .hot-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 2px;
        }
        .hot-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }
        .hot-cta {
            flex-shrink: 0;
        }

        /* ========== Deep Dive ========== */
        .deep-dive-block {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .deep-dive-block h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .deep-dive-block p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .deep-dive-block .data-point-row {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .data-point {
            background: rgba(31, 58, 50, 0.05);
            border-radius: var(--radius-sm);
            padding: 12px 18px;
            text-align: center;
            min-width: 100px;
            flex: 1 1 100px;
        }
        .data-point .num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
        }
        .data-point .lbl {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: var(--card-bg);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(194, 168, 120, 0.4);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-base);
            font-size: 18px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== Form ========== */
        .form-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .form-card .form-control {
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            padding: 11px 16px;
            font-size: 14px;
            background: #FFFFFF;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            min-height: 46px;
        }
        .form-card .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.2);
        }
        .form-card .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-note {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 28px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 30px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .footer-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .sep {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.25);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .back-to-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            font-size: 18px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            z-index: 500;
            opacity: 0;
            pointer-events: none;
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-to-top:hover {
            background: var(--accent-dark);
            transform: translateY(-4px);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
        }

        /* ========== Animations ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 400ms ease, transform 400ms ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .fade-up-delay-1 {
            transition-delay: 80ms;
        }
        .fade-up-delay-2 {
            transition-delay: 160ms;
        }
        .fade-up-delay-3 {
            transition-delay: 240ms;
        }

        @media (prefers-reduced-motion: reduce) {
            .fade-up {
                opacity: 1;
                transform: none;
                transition: none;
            }
            html {
                scroll-behavior: auto;
            }
        }

        /* ========== Utility ========== */
        .text-primary-hth {
            color: var(--primary) !important;
        }
        .text-accent-hth {
            color: var(--accent) !important;
        }
        .bg-primary-hth {
            background-color: var(--primary) !important;
        }
        .bg-accent-hth {
            background-color: var(--accent) !important;
        }
        .mb-section {
            margin-bottom: 80px;
        }
        .gap-24 {
            gap: 24px;
        }
        .fw-800 {
            font-weight: 800;
        }
        .letter-tight {
            letter-spacing: -0.02em;
        }

.header-search.search-focused input {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.2);
        }
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .brand-intro {
                padding: 28px 20px;
            }
            .deep-dive-block {
                padding: 28px 20px;
            }
            .form-card {
                padding: 28px 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-bottom {
                font-size: 11px;
            }
        }
        @media (max-width: 420px) {
            .hero-title {
                font-size: 22px;
            }
            .hero-actions .btn-hth-primary,
            .hero-actions .btn-hth-outline {
                padding: 10px 20px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1F3A32;
            --primary-dark: #142A24;
            --primary-light: #2C4F44;
            --accent: #C2A878;
            --accent-light: #D8C6A4;
            --accent-dark: #A38B5E;
            --bg: #F7F6F2;
            --bg-warm: #F1EEE7;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A82;
            --border: #E3DFD5;
            --border-light: #EFEBE2;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 32px rgba(31, 58, 50, 0.10);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 50px;
            --transition-fast: 200ms ease;
            --transition-base: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-dark);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--card-bg);
        }
        .section-deep {
            background-color: var(--primary);
            color: #F0EFEA;
        }
        .section-deep .section-title {
            color: #FFFFFF;
        }
        .section-deep .section-subtitle {
            color: rgba(240, 239, 234, 0.75);
        }
        .section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 26px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
            line-height: 1.75;
        }
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(194, 168, 120, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(194, 168, 120, 0.3);
            margin-bottom: 12px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 246, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 12px 24px;
            flex-wrap: wrap;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .header-search {
            flex: 1 1 40%;
            min-width: 200px;
            max-width: 460px;
            position: relative;
        }
        .header-search input {
            width: 100%;
            padding: 10px 40px 10px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: #FFFFFF;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.15);
            outline: none;
        }
        .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
        }
        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .header-nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .header-nav-links a:hover {
            color: var(--primary);
            background: rgba(31, 58, 50, 0.05);
        }
        .header-nav-links a.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(31, 58, 50, 0.08);
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn-hth-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-hth-primary:hover {
            background-color: var(--accent-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-hth-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: rgba(31, 58, 50, 0.05);
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            margin: 0;
            padding: 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: '›';
            color: var(--text-muted);
            font-size: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* Page Hero */
        .page-hero {
            background: var(--primary);
            color: #F0EFEA;
            padding: 48px 0 52px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(194, 168, 120, 0.08);
            pointer-events: none;
        }
        .page-hero h1 {
            font-size: 34px;
            font-weight: 900;
            letter-spacing: -0.01em;
            margin-bottom: 14px;
            color: #FFFFFF;
            line-height: 1.3;
        }
        .page-hero p {
            font-size: 16px;
            color: rgba(240, 239, 234, 0.82);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .page-hero .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .page-hero .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .page-hero .hero-stat-number {
            font-size: 28px;
            font-weight: 800;
            font-family: var(--font-mono);
            color: var(--accent-light);
            letter-spacing: -0.02em;
        }
        .page-hero .hero-stat-label {
            font-size: 13px;
            color: rgba(240, 239, 234, 0.65);
        }

        /* Filter Sidebar */
        .filter-sidebar {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 90px;
        }
        .filter-sidebar h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-sidebar h3 i {
            color: var(--accent-dark);
            font-size: 18px;
        }
        .filter-group {
            margin-bottom: 22px;
        }
        .filter-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: block;
            letter-spacing: 0.02em;
        }
        .filter-group .form-check {
            margin-bottom: 6px;
        }
        .filter-group .form-check-input {
            border-color: var(--border);
            cursor: pointer;
        }
        .filter-group .form-check-input:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }
        .filter-group .form-check-input:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            box-shadow: none;
        }
        .filter-group .form-check-label {
            font-size: 14px;
            color: var(--text);
            cursor: pointer;
        }
        .filter-group .form-select {
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            font-size: 14px;
            padding: 8px 12px;
            color: var(--text);
            background-color: #FFFFFF;
            cursor: pointer;
        }
        .filter-group .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.15);
            outline: none;
        }
        .btn-outline-filter {
            background: none;
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            color: var(--primary);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            width: 100%;
            margin-top: 8px;
        }
        .btn-outline-filter:hover {
            background: var(--primary);
            color: #FFFFFF;
        }

        /* Service Cards Grid */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(194, 168, 120, 0.3);
        }
        .service-card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-warm);
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .service-card-img img {
            transform: scale(1.04);
        }
        .service-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(31, 58, 50, 0.85);
            color: var(--accent-light);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .service-card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .service-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .service-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }
        .service-card-meta span {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .btn-outline-primary-custom {
            border: 1px solid var(--primary);
            border-radius: var(--radius-sm);
            background: none;
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 16px;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            text-decoration: none;
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #FFFFFF;
            text-decoration: none;
        }
        .btn-outline-primary-custom i {
            transition: transform var(--transition-fast);
        }
        .btn-outline-primary-custom:hover i {
            transform: translateX(4px);
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 36px;
            gap: 6px;
        }
        .pagination-wrap .page-link-custom {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .pagination-wrap .page-link-custom:hover {
            border-color: var(--accent);
            color: var(--primary);
        }
        .pagination-wrap .page-link-custom.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .pagination-wrap .page-link-custom.disabled {
            pointer-events: none;
            opacity: 0.4;
        }

        /* Service Flow */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .flow-step {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 26px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .flow-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .flow-step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            margin: 0 auto 14px;
            font-family: var(--font-mono);
        }
        .flow-step h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(194, 168, 120, 0.35);
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            gap: 16px;
            user-select: none;
        }
        .faq-question i {
            font-size: 18px;
            color: var(--accent-dark);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* CTA */
        .cta-box {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #F0EFEA;
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
        }
        .cta-box-info {
            flex: 1;
            min-width: 260px;
        }
        .cta-box-info h2 {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .cta-box-info p {
            font-size: 14px;
            color: rgba(240, 239, 234, 0.78);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-form {
            flex: 1;
            min-width: 300px;
            max-width: 480px;
        }
        .cta-form .form-control {
            border-radius: var(--radius-sm);
            border: 1px solid rgba(240, 239, 234, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            padding: 10px 16px;
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .cta-form .form-control::placeholder {
            color: rgba(240, 239, 234, 0.5);
        }
        .cta-form .form-control:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.2);
            outline: none;
            color: #FFFFFF;
        }
        .cta-form .btn-submit {
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .cta-form .btn-submit:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(194, 168, 120, 0.25);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(240, 239, 234, 0.75);
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(194, 168, 120, 0.2);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(240, 239, 234, 0.6);
            max-width: 360px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: rgba(240, 239, 234, 0.65);
            font-size: 13px;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(240, 239, 234, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: rgba(240, 239, 234, 0.5);
        }
        .footer-bottom a {
            color: rgba(240, 239, 234, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            opacity: 0.4;
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            z-index: 900;
            opacity: 0;
            pointer-events: none;
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-to-top:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
                gap: 10px;
            }
            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .header-nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 4px;
                padding: 12px 0;
            }
            .header-nav-links.open {
                display: flex;
            }
            .header-nav-links a {
                padding: 10px 14px;
                width: 100%;
                text-align: left;
            }
            .header-cta {
                display: none;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero .hero-stats {
                gap: 20px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .filter-sidebar {
                position: static;
                margin-bottom: 24px;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                gap: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section {
                padding: 48px 0;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero {
                padding: 32px 0 36px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .page-hero p {
                font-size: 14px;
            }
            .page-hero .hero-stat-number {
                font-size: 22px;
            }
            .service-card-body {
                padding: 18px 18px 20px;
            }
            .service-card-body h3 {
                font-size: 15px;
            }
            .section-title {
                font-size: 20px;
            }
            .pagination-wrap .page-link-custom {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
            .cta-box {
                padding: 24px 18px;
            }
            .cta-box-info h2 {
                font-size: 20px;
            }
            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1F3A32;
            --primary-dark: #142A24;
            --primary-light: #2C4F44;
            --accent: #C2A878;
            --accent-light: #D8C6A4;
            --accent-dark: #A38B5E;
            --bg: #F7F6F2;
            --bg-warm: #F1EEE7;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A82;
            --border: #E3DFD5;
            --border-light: #EFEBE2;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 32px rgba(31, 58, 50, 0.10);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 50px;
            --transition-fast: 200ms ease;
            --transition-base: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-dark);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 70px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--card-bg);
        }
        .section-deep {
            background-color: var(--primary);
            color: #F0EFEA;
        }
        .section-deep .section-title {
            color: #FFFFFF;
        }
        .section-deep .section-subtitle {
            color: rgba(240, 239, 234, 0.75);
        }
        .section-title {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 28px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.75;
        }
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(194, 168, 120, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(194, 168, 120, 0.3);
            margin-bottom: 12px;
        }
        .badge-tag-deep {
            background: rgba(194, 168, 120, 0.2);
            color: var(--accent-light);
            border-color: rgba(194, 168, 120, 0.35);
        }
        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 246, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 14px 24px;
            flex-wrap: wrap;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }
        .header-search {
            flex: 1 1 40%;
            min-width: 220px;
            max-width: 480px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search input {
            width: 100%;
            padding: 10px 42px 10px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: #FFFFFF;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            height: 44px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.18);
            outline: none;
        }
        .search-icon {
            position: absolute;
            right: 16px;
            color: var(--text-muted);
            pointer-events: none;
            font-size: 15px;
        }
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--bg-warm);
        }
        .header-nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .header-nav-links a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .header-nav-links a:hover {
            color: var(--primary);
            background: var(--bg-warm);
        }
        .header-nav-links a.active {
            color: #FFFFFF;
            background: var(--primary);
        }
        .header-cta {
            display: flex;
            align-items: center;
        }
        .header-cta.mobile-visible {
            display: none;
        }
        .btn-hth-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-hth-primary:hover {
            background-color: var(--accent-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-hth-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .btn-hth-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-hth-outline:hover {
            background: rgba(31, 58, 50, 0.08);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
            transition: all var(--transition-fast);
        }
        .btn-text:hover {
            color: var(--accent-dark);
            gap: 10px;
        }
        .btn-text .bi-arrow-right {
            font-size: 13px;
            transition: transform var(--transition-fast);
        }
        .btn-text:hover .bi-arrow-right {
            transform: translateX(3px);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-hth {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0;
            margin: 0;
            list-style: none;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-hth a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-hth a:hover {
            color: var(--primary);
        }
        .breadcrumb-hth .separator {
            color: var(--border);
        }
        .breadcrumb-hth .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== Hero Section ========== */
        .hero-news {
            position: relative;
            padding: 90px 0 100px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-news::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 42, 36, 0.88) 0%, rgba(31, 58, 50, 0.78) 50%, rgba(20, 42, 36, 0.92) 100%);
        }
        .hero-news .container {
            position: relative;
            z-index: 2;
        }
        .hero-news .breadcrumb-wrapper {
            margin-bottom: 24px;
        }
        .hero-news .breadcrumb-hth a,
        .hero-news .breadcrumb-hth .separator,
        .hero-news .breadcrumb-hth .current {
            color: rgba(255, 255, 255, 0.65);
        }
        .hero-news .breadcrumb-hth a:hover {
            color: var(--accent-light);
        }
        .hero-news .breadcrumb-hth .current {
            color: rgba(255, 255, 255, 0.9);
        }
        .hero-news-title {
            font-size: 38px;
            font-weight: 900;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .hero-news-title .accent-text {
            color: var(--accent-light);
        }
        .hero-news-sub {
            font-size: 16px;
            color: rgba(240, 239, 234, 0.82);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-metrics {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .hero-metric-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-metric-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-light);
            font-family: var(--font-mono);
            letter-spacing: -0.01em;
        }
        .hero-metric-label {
            font-size: 13px;
            color: rgba(240, 239, 234, 0.7);
            letter-spacing: 0.02em;
        }

        /* ========== Filter Bar ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-tags .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .filter-tag-btn {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag-btn:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: #FFFFFF;
        }
        .filter-tag-btn.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .filter-sort select {
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: #FFFFFF;
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            min-width: 120px;
        }

        /* ========== News List (大图标题流) ========== */
        .news-stream {
            display: flex;
            flex-direction: column;
            gap: 36px;
        }
        .news-stream-item {
            display: flex;
            flex-direction: column;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            border: 1px solid var(--border-light);
        }
        .news-stream-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .news-stream-image {
            width: 100%;
            aspect-ratio: 16/7;
            overflow: hidden;
            position: relative;
        }
        .news-stream-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-stream-item:hover .news-stream-image img {
            transform: scale(1.03);
        }
        .news-stream-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(31, 58, 50, 0.85);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }
        .news-stream-body {
            padding: 22px 28px 26px;
        }
        .news-stream-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-stream-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
            letter-spacing: -0.01em;
        }
        .news-stream-excerpt {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .news-stream-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .news-stream-stats {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            align-items: center;
        }
        .news-stream-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== About Section ========== */
        .about-news-block {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            margin-top: 40px;
            box-shadow: var(--shadow-sm);
        }
        .about-news-block .section-title {
            font-size: 22px;
            margin-bottom: 16px;
        }
        .about-news-block .section-title::before {
            height: 22px;
        }
        .about-news-text {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        .about-news-text p {
            margin-bottom: 14px;
        }
        .about-news-text p:last-child {
            margin-bottom: 0;
        }

        /* ========== Pagination ========== */
        .pagination-hth {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin: 40px 0 0;
            flex-wrap: wrap;
        }
        .pagination-hth .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .pagination-hth .page-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .pagination-hth .page-btn.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        .pagination-hth .page-btn.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        /* ========== CTA Section ========== */
        .cta-news-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            margin-top: 60px;
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .cta-news-content {
            flex: 1 1 45%;
            min-width: 280px;
        }
        .cta-news-content h3 {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-news-content p {
            font-size: 14px;
            color: rgba(240, 239, 234, 0.75);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-news-form {
            flex: 1 1 45%;
            min-width: 280px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cta-news-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .cta-news-form .form-row .form-group-hth {
            flex: 1 1 45%;
            min-width: 140px;
        }
        .cta-news-form input,
        .cta-news-form textarea {
            width: 100%;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .cta-news-form input::placeholder,
        .cta-news-form textarea::placeholder {
            color: rgba(240, 239, 234, 0.5);
        }
        .cta-news-form input:focus,
        .cta-news-form textarea:focus {
            border-color: var(--accent-light);
            outline: none;
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.2);
            background: rgba(255, 255, 255, 0.12);
        }
        .cta-news-form textarea {
            min-height: 60px;
            resize: vertical;
        }
        .btn-hth-accent {
            background-color: var(--accent);
            color: var(--primary-dark);
            border: none;
            border-radius: var(--radius-sm);
            padding: 10px 24px;
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            letter-spacing: 0.01em;
        }
        .btn-hth-accent:hover {
            background-color: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(194, 168, 120, 0.3);
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(240, 239, 234, 0.7);
            padding: 60px 0 0;
            margin-top: 70px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: rgba(194, 168, 120, 0.2);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.75;
            color: rgba(240, 239, 234, 0.55);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            color: rgba(240, 239, 234, 0.6);
            font-size: 13px;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 18px 0;
            font-size: 12px;
            color: rgba(240, 239, 234, 0.45);
        }
        .footer-bottom a {
            color: rgba(240, 239, 234, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer-bottom .sep {
            margin: 0 8px;
            opacity: 0.4;
        }

        /* ========== Scroll to Top ========== */
        .scroll-top-btn {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-base);
            z-index: 900;
            box-shadow: var(--shadow-lg);
        }
        .scroll-top-btn.visible {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top-btn:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
        }

        /* ========== Responsive ========== */
        @media (max-width: 992px) {
            .header-nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
            }
            .header-nav-links.open {
                display: flex;
            }
            .header-nav-links a {
                padding: 10px 16px;
                text-align: left;
            }
            .navbar-toggler-custom {
                display: block;
            }
            .header-search {
                order: 2;
                flex-basis: 100%;
                max-width: 100%;
            }
            .header-cta {
                display: none;
            }
            .header-cta.mobile-visible {
                display: flex;
            }
            .header-inner {
                gap: 12px;
            }
            .hero-news-title {
                font-size: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-desc {
                max-width: 100%;
            }
            .cta-news-section {
                padding: 36px 28px;
                flex-direction: column;
                gap: 24px;
            }
            .news-stream-body {
                padding: 18px 20px 22px;
            }
            .news-stream-title {
                font-size: 18px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-title::before {
                height: 22px;
            }
            .hero-news {
                padding: 60px 0 70px;
            }
            .hero-news-title {
                font-size: 24px;
            }
            .hero-news-sub {
                font-size: 14px;
            }
            .hero-metrics {
                gap: 20px;
            }
            .hero-metric-value {
                font-size: 22px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .filter-sort {
                width: 100%;
            }
            .filter-sort select {
                flex: 1;
                width: 100%;
            }
            .news-stream-image {
                aspect-ratio: 16/9;
            }
            .news-stream-excerpt {
                font-size: 14px;
            }
            .about-news-block {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .cta-news-form .form-row {
                flex-direction: column;
            }
            .cta-news-form .form-row .form-group-hth {
                min-width: 100%;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 12px 16px;
                gap: 8px;
            }
            .header-logo {
                font-size: 17px;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
                border-radius: 8px;
            }
            .hero-news-title {
                font-size: 21px;
            }
            .hero-metric-item {
                flex: 1 1 45%;
            }
            .hero-metric-value {
                font-size: 20px;
            }
            .news-stream-title {
                font-size: 16px;
            }
            .news-stream-stats {
                flex-wrap: wrap;
                gap: 8px;
            }
            .pagination-hth .page-btn {
                min-width: 34px;
                height: 34px;
                padding: 0 8px;
                font-size: 12px;
            }
            .scroll-top-btn {
                bottom: 16px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
        }
        /* ========== Animation ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 500ms ease, transform 500ms ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category4 */
:root {
            --primary: #1F3A32;
            --primary-dark: #142A24;
            --primary-light: #2C4F44;
            --accent: #C2A878;
            --accent-light: #D8C6A4;
            --accent-dark: #A38B5E;
            --bg: #F7F6F2;
            --bg-warm: #F1EEE7;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A82;
            --border: #E3DFD5;
            --border-light: #EFEBE2;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 32px rgba(31, 58, 50, 0.10);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 50px;
            --transition-fast: 200ms ease;
            --transition-base: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

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

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

        .section-deep {
            background-color: var(--primary);
            color: #F0EFEA;
        }

        .section-deep .section-title {
            color: #FFFFFF;
        }

        .section-deep .section-subtitle {
            color: rgba(240, 239, 234, 0.75);
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 26px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
            line-height: 1.75;
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(194, 168, 120, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(194, 168, 120, 0.3);
            margin-bottom: 12px;
        }

        .btn-hth-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 26px;
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.01em;
            transition: background-color var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hth-primary:hover,
        .btn-hth-primary:focus {
            background-color: var(--primary-dark);
            color: #FFFFFF;
            box-shadow: 0 8px 20px rgba(31, 58, 50, 0.25);
            transform: translateY(-1px);
        }

        .btn-hth-primary:active {
            transform: translateY(0);
        }

        .btn-hth-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            padding: 11px 24px;
            font-weight: 600;
            font-size: 15px;
            transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hth-outline:hover,
        .btn-hth-outline:focus {
            background-color: rgba(31, 58, 50, 0.06);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-hth-sm {
            padding: 10px 20px;
            font-size: 14px;
            border-radius: var(--radius-pill);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 246, 242, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 14px 24px;
            flex-wrap: wrap;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .header-logo:hover {
            color: var(--primary);
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .header-search {
            flex: 1 1 40%;
            min-width: 200px;
            max-width: 460px;
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search input {
            width: 100%;
            padding: 10px 44px 10px 20px;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-pill);
            background: #FFFFFF;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-base);
            min-height: 44px;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

        .header-search input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.15);
        }

        .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 16px;
            pointer-events: none;
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            cursor: pointer;
            transition: background-color var(--transition-fast), border-color var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background-color: var(--bg-warm);
            border-color: var(--primary);
        }

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

        .header-nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .header-nav-links a:hover {
            background-color: rgba(31, 58, 50, 0.06);
            color: var(--primary);
        }

        .header-nav-links a.active {
            background-color: rgba(31, 58, 50, 0.1);
            color: var(--primary);
            font-weight: 700;
        }

        .header-cta {
            display: flex;
            align-items: center;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }

        .breadcrumb-hth {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-hth a {
            color: var(--text-secondary);
            font-weight: 500;
        }

        .breadcrumb-hth a:hover {
            color: var(--primary);
        }

        .breadcrumb-hth .separator {
            color: var(--border);
        }

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

        /* Hero for Category4 */
        .faq-hero {
            position: relative;
            padding: 56px 0 48px;
            background-image: linear-gradient(135deg, rgba(31, 58, 50, 0.92) 0%, rgba(20, 42, 36, 0.88) 100%), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: #FFFFFF;
            border-radius: var(--radius-lg);
            margin-top: 24px;
            overflow: hidden;
        }

        .faq-hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 50%;
            height: 180%;
            background: radial-gradient(ellipse at center, rgba(194, 168, 120, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .faq-hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .faq-hero .badge-tag {
            background: rgba(194, 168, 120, 0.2);
            color: var(--accent-light);
            border-color: rgba(194, 168, 120, 0.35);
        }

        .faq-hero h1 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .faq-hero .hero-desc {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(240, 239, 234, 0.85);
            max-width: 560px;
            margin-bottom: 24px;
        }

        .faq-hero-search {
            position: relative;
            max-width: 480px;
        }

        .faq-hero-search input {
            width: 100%;
            padding: 14px 48px 14px 22px;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.95);
            font-size: 14px;
            color: var(--text);
            min-height: 50px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-base);
        }

        .faq-hero-search input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.25);
        }

        .faq-hero-search .hero-search-icon {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 18px;
            pointer-events: none;
        }

        .faq-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
        }

        .faq-hero-stat {
            flex: 1 1 40%;
            min-width: 100px;
        }

        .faq-hero-stat .stat-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-light);
            letter-spacing: -0.02em;
            font-family: var(--font-mono);
            line-height: 1.3;
        }

        .faq-hero-stat .stat-label {
            font-size: 13px;
            color: rgba(240, 239, 234, 0.7);
            margin-top: 4px;
        }

        /* Metric strip */
        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: -36px;
            position: relative;
            z-index: 5;
        }

        .metric-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-base), transform var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 16px;
        }

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

        .metric-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(31, 58, 50, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }

        .metric-info .metric-number {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            font-family: var(--font-mono);
            line-height: 1.3;
        }

        .metric-info .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin: 40px 0 28px;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin-right: 6px;
        }

        .filter-chip {
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1.5px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(31, 58, 50, 0.04);
        }

        .filter-chip.active {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* FAQ accordion custom */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background-color: var(--card-bg);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base);
        }

        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-accordion .accordion-button {
            background-color: var(--card-bg);
            color: var(--text);
            font-weight: 700;
            font-size: 15px;
            padding: 20px 24px;
            border: none;
            box-shadow: none !important;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background-color: var(--bg-warm);
            color: var(--primary);
        }

        .faq-accordion .accordion-button::after {
            background-image: none;
            content: '\F282';
            font-family: 'bootstrap-icons';
            font-size: 18px;
            color: var(--accent-dark);
            transition: transform var(--transition-base);
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .faq-accordion .accordion-body {
            padding: 18px 24px 22px;
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.8;
            background-color: var(--card-bg);
            border-top: 1px solid var(--border-light);
        }

        .faq-answer-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            background: rgba(31, 58, 50, 0.08);
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* Hot list */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-fast);
            cursor: pointer;
        }

        .hot-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .hot-rank {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        .hot-rank.rank-gold {
            background: var(--accent-dark);
        }

        .hot-rank.rank-silver {
            background: #7A8B84;
        }

        .hot-rank.rank-bronze {
            background: #9A7B5A;
        }

        .hot-item-content h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .hot-item-content p {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* Pagination placeholder */
        .pagination-hth {
            display: flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .pagination-hth .page-dot {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1.5px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .pagination-hth .page-dot:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .pagination-hth .page-dot.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .pagination-hth .page-dot.page-nav {
            width: auto;
            padding: 0 16px;
            font-size: 13px;
        }

        .pagination-hth .page-ellipsis {
            color: var(--text-muted);
            font-size: 14px;
            padding: 0 6px;
        }

        /* CTA section */
        .cta-panel {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 50%;
            height: 160%;
            background: radial-gradient(ellipse at center, rgba(194, 168, 120, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-panel-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-panel h3 {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .cta-panel p {
            font-size: 14.5px;
            color: rgba(240, 239, 234, 0.8);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.95);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--text);
            min-height: 46px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-base);
        }

        .cta-form .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(194, 168, 120, 0.2);
        }

        .cta-form .form-control::placeholder {
            color: var(--text-muted);
            font-size: 13px;
        }

        .cta-form .btn-submit {
            background: var(--accent);
            color: var(--primary-dark);
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 28px;
            font-weight: 700;
            font-size: 15px;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }

        .cta-form .btn-submit:hover,
        .cta-form .btn-submit:focus {
            background: var(--accent-light);
            transform: translateY(-1px);
        }

        .cta-form textarea.form-control {
            min-height: 80px;
            resize: vertical;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(240, 239, 234, 0.75);
            padding: 56px 0 28px;
            margin-top: 72px;
        }

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

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(194, 168, 120, 0.2);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .footer-desc {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(240, 239, 234, 0.65);
            margin-bottom: 0;
            max-width: 320px;
        }

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

        .footer-col a {
            display: block;
            color: rgba(240, 239, 234, 0.65);
            font-size: 13.5px;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 12.5px;
            color: rgba(240, 239, 234, 0.5);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.2);
        }

        .footer-bottom a {
            color: rgba(240, 239, 234, 0.65);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 12px;
            }

            .header-search {
                min-width: 160px;
                max-width: 300px;
            }

            .faq-hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .metric-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-panel-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px 16px;
            }

            .header-logo {
                font-size: 18px;
            }

            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                min-width: 0;
            }

            .navbar-toggler-custom {
                display: flex;
                margin-left: auto;
            }

            .header-nav-links {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 4px;
                padding: 12px 0 4px;
                border-top: 1px solid var(--border-light);
                margin-top: 4px;
            }

            .header-nav-links.open {
                display: flex;
            }

            .header-nav-links a {
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }

            .header-cta {
                display: none;
            }

            .header-cta.mobile-visible {
                display: flex !important;
            }

            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .faq-hero {
                padding: 36px 20px;
                margin-top: 16px;
            }

            .faq-hero h1 {
                font-size: 24px;
            }

            .metric-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                margin-top: -20px;
            }

            .metric-card {
                padding: 16px 14px;
                gap: 10px;
            }

            .metric-info .metric-number {
                font-size: 18px;
            }

            .filter-bar {
                gap: 8px;
                margin-top: 28px;
            }

            .cta-panel {
                padding: 36px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .section-title {
                font-size: 19px;
            }

            .faq-hero {
                padding: 28px 16px;
                border-radius: var(--radius-md);
            }

            .faq-hero h1 {
                font-size: 20px;
            }

            .faq-hero-search input {
                padding: 10px 40px 10px 16px;
                font-size: 13px;
                min-height: 44px;
            }

            .faq-hero-stats {
                padding: 16px;
                gap: 12px;
            }

            .faq-hero-stat .stat-number {
                font-size: 22px;
            }

            .metric-strip {
                grid-template-columns: 1fr;
                margin-top: -16px;
            }

            .filter-chip {
                padding: 6px 14px;
                font-size: 12px;
            }

            .faq-accordion .accordion-button {
                font-size: 14px;
                padding: 16px 18px;
            }

            .faq-accordion .accordion-body {
                padding: 14px 18px 18px;
                font-size: 13.5px;
            }

            .hot-list-item {
                padding: 14px 16px;
                gap: 12px;
            }

            .pagination-hth .page-dot {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1F3A32;
            --primary-dark: #142A24;
            --primary-light: #2C4F44;
            --accent: #C2A878;
            --accent-light: #D8C6A4;
            --accent-dark: #A38B5E;
            --bg: #F7F6F2;
            --bg-warm: #F1EEE7;
            --card-bg: #FFFFFF;
            --text: #1C1C1C;
            --text-secondary: #5A5A5A;
            --text-muted: #8A8A82;
            --border: #E3DFD5;
            --border-light: #EFEBE2;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 32px rgba(31, 58, 50, 0.10);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 50px;
            --transition-fast: 200ms ease;
            --transition-base: 280ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Courier New', monospace;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 72px 0;
            position: relative;
        }

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

        .section-deep {
            background-color: var(--primary);
            color: #F0EFEA;
        }

        .section-deep .section-title {
            color: #FFFFFF;
        }

        .section-deep .section-subtitle {
            color: rgba(240, 239, 234, 0.75);
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .section-title::before {
            content: '';
            display: inline-block;
            width: 4px;
            height: 26px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .section-title-deep {
            color: #FFFFFF;
        }

        .section-title-deep::before {
            background: var(--accent-light);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 36px;
            line-height: 1.75;
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(194, 168, 120, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(194, 168, 120, 0.3);
            margin-bottom: 12px;
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(247, 246, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: #FFFFFF;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 24px;
            flex-wrap: wrap;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
        }

        .header-logo:hover {
            color: var(--primary);
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .header-search {
            flex: 1 1 40%;
            min-width: 200px;
            max-width: 460px;
            position: relative;
        }

        .header-search input {
            width: 100%;
            padding: 10px 42px 10px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: #FFFFFF;
            font-size: 14px;
            color: var(--text);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            height: 44px;
        }

        .header-search input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.15);
            outline: none;
        }

        .header-search .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            pointer-events: none;
            font-size: 16px;
        }

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

        .header-nav-links a {
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .header-nav-links a:hover {
            color: var(--primary);
            background: rgba(31, 58, 50, 0.06);
        }

        .header-nav-links a.active {
            color: #FFFFFF;
            background: var(--primary);
        }

        .header-cta .btn-hth-primary {
            white-space: nowrap;
        }

        .btn-hth-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.01em;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hth-primary:hover {
            background-color: var(--accent-dark);
            color: #FFFFFF;
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }

        .btn-hth-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-hth-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-hth-outline {
            background-color: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hth-outline:hover {
            background-color: rgba(31, 58, 50, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
            display: none;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: rgba(31, 58, 50, 0.06);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }

        .breadcrumb-hth {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .breadcrumb-hth a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-hth a:hover {
            color: var(--primary);
        }

        .breadcrumb-hth .separator {
            color: var(--text-muted);
            font-size: 11px;
        }

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

        /* ========== Hero ========== */
        .hero-resource {
            padding: 36px 0 48px;
        }

        .hero-resource .hero-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
            align-items: center;
        }

        .hero-resource h1 {
            font-size: 34px;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .hero-resource .hero-lead {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .hero-resource .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 20px;
        }

        .hero-resource .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-resource .hero-meta-item i {
            color: var(--accent-dark);
            font-size: 16px;
        }

        .hero-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .hero-image-wrap img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .hero-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px 18px;
            background: linear-gradient(to top, rgba(31, 58, 50, 0.85), transparent);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
        }

        /* ========== Stats Bar ========== */
        .stats-bar {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-bottom: 40px;
        }

        .stats-bar .stat-item {
            text-align: center;
            padding: 4px 10px;
            border-right: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stats-bar .stat-item:last-child {
            border-right: none;
        }

        .stats-bar .stat-number {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent-light);
            letter-spacing: -0.02em;
            font-family: var(--font-mono);
            line-height: 1.2;
        }

        .stats-bar .stat-label {
            font-size: 13px;
            color: rgba(240, 239, 234, 0.7);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ========== Filter / Sort Bar ========== */
        .filter-sort-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 16px 18px;
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }

        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            margin-right: 4px;
        }

        .filter-btn {
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border);
            background: var(--bg);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(194, 168, 120, 0.08);
        }

        .filter-btn.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .sort-select-wrap {
            position: relative;
        }

        .sort-select-wrap select {
            padding: 7px 34px 7px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg);
            font-size: 13px;
            color: var(--text-secondary);
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            min-width: 140px;
        }

        .sort-select-wrap::after {
            content: '\F229';
            font-family: 'bootstrap-icons';
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 12px;
            color: var(--text-muted);
            pointer-events: none;
        }

        /* ========== Timeline ========== */
        .timeline-heading {
            margin-bottom: 30px;
        }

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

        .timeline-heading .section-subtitle {
            margin-bottom: 0;
        }

        .timeline {
            position: relative;
            padding-left: 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 150px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding-left: 200px;
            margin-bottom: 28px;
            transition: all var(--transition-base);
        }

        .timeline-item:hover {
            transform: translateX(2px);
        }

        .timeline-date {
            position: absolute;
            left: 0;
            top: 0;
            width: 130px;
            text-align: right;
            padding-right: 18px;
        }

        .timeline-date .date-main {
            font-size: 15px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            font-family: var(--font-mono);
            display: block;
        }

        .timeline-date .date-year {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            display: block;
            margin-top: 2px;
        }

        .timeline-dot {
            position: absolute;
            left: 143px;
            top: 8px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--card-bg);
            box-shadow: 0 0 0 2px var(--accent);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .timeline-item:hover .timeline-dot,
        .timeline-item.visible .timeline-dot {
            opacity: 1;
        }

        .timeline-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(194, 168, 120, 0.4);
        }

        .timeline-card-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .timeline-card-header h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
            flex: 1 1 100%;
        }

        .resource-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(31, 58, 50, 0.08);
            color: var(--primary);
            border: 1px solid rgba(31, 58, 50, 0.15);
        }

        .resource-tag-accent {
            background: rgba(194, 168, 120, 0.15);
            color: var(--accent-dark);
            border-color: rgba(194, 168, 120, 0.3);
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .timeline-card .timeline-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-text-arrow {
            background: none;
            border: none;
            padding: 0;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .btn-text-arrow i {
            font-size: 14px;
            transition: transform var(--transition-fast);
        }

        .btn-text-arrow:hover {
            color: var(--accent-dark);
        }

        .btn-text-arrow:hover i {
            transform: translateX(3px);
        }

        .timeline-card .resource-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== Pagination ========== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .page-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--card-bg);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .page-btn:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(194, 168, 120, 0.08);
        }

        .page-btn.active {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .page-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        .pagination-info {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 12px;
            text-align: center;
        }

        /* ========== CTA Section ========== */
        .cta-resource {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            color: #F0EFEA;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .cta-resource h2 {
            font-size: 24px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-resource p {
            font-size: 14px;
            color: rgba(240, 239, 234, 0.75);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .cta-resource .cta-form input,
        .cta-resource .cta-form textarea,
        .cta-resource .cta-form select {
            width: 100%;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #FFFFFF;
            font-size: 14px;
            transition: all var(--transition-fast);
            margin-bottom: 12px;
        }

        .cta-resource .cta-form input::placeholder,
        .cta-resource .cta-form textarea::placeholder {
            color: rgba(240, 239, 234, 0.5);
        }

        .cta-resource .cta-form input:focus,
        .cta-resource .cta-form textarea:focus {
            border-color: var(--accent-light);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(194, 168, 120, 0.2);
            outline: none;
        }

        .cta-resource .cta-form .btn-hth-primary {
            background-color: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            width: 100%;
            justify-content: center;
            border-radius: var(--radius-sm);
            padding: 12px 20px;
        }

        .cta-resource .cta-form .btn-hth-primary:hover {
            background-color: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .cta-resource .cta-note {
            font-size: 13px;
            color: rgba(240, 239, 234, 0.65);
            margin-top: 10px;
            line-height: 1.7;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(240, 239, 234, 0.8);
            padding: 56px 0 28px;
            margin-top: 72px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .site-footer .footer-logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: var(--accent);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .site-footer .footer-desc {
            font-size: 13px;
            line-height: 1.75;
            color: rgba(240, 239, 234, 0.6);
            max-width: 340px;
        }

        .site-footer .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(240, 239, 234, 0.65);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 14px;
            font-size: 12px;
            color: rgba(240, 239, 234, 0.5);
        }

        .site-footer .footer-bottom a {
            color: rgba(240, 239, 234, 0.65);
            transition: color var(--transition-fast);
        }

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

        .site-footer .sep {
            margin: 0 6px;
            opacity: 0.5;
        }

        /* ========== Scroll Animation ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(16px);
            transition: opacity var(--transition-slow), transform var(--transition-slow);
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== Responsive ========== */
        @media (max-width: 992px) {
            .hero-resource .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-image-wrap img {
                height: 220px;
            }

            .cta-resource {
                grid-template-columns: 1fr;
                padding: 30px 26px;
                gap: 22px;
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stats-bar .stat-item:nth-child(2) {
                border-right: none;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .timeline::before {
                left: 100px;
            }

            .timeline-item {
                padding-left: 140px;
            }

            .timeline-date {
                width: 90px;
                padding-right: 14px;
            }

            .timeline-dot {
                left: 93px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .hero-resource h1 {
                font-size: 26px;
            }

            .header-inner {
                gap: 10px;
                padding: 10px 16px;
            }

            .header-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                min-width: 0;
            }

            .navbar-toggler-custom {
                display: block;
                margin-left: auto;
            }

            .header-nav-links {
                display: none;
                order: 4;
                flex: 1 1 100%;
                flex-direction: column;
                align-items: stretch;
                background: var(--card-bg);
                border-radius: var(--radius-md);
                padding: 10px;
                border: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
            }

            .header-nav-links.mobile-open {
                display: flex;
            }

            .header-nav-links a {
                padding: 10px 14px;
                text-align: center;
            }

            .header-cta.desktop-visible {
                display: none;
            }

            .header-cta.mobile-visible {
                display: block !important;
            }

            .filter-sort-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .filter-group {
                justify-content: center;
            }

            .sort-select-wrap select {
                width: 100%;
                min-width: 0;
            }

            .timeline::before {
                left: 16px;
            }

            .timeline-item {
                padding-left: 52px;
                margin-bottom: 20px;
            }

            .timeline-date {
                position: static;
                width: auto;
                text-align: left;
                padding-right: 0;
                margin-bottom: 6px;
            }

            .timeline-date .date-main {
                display: inline;
                font-size: 14px;
            }

            .timeline-date .date-year {
                display: inline;
                margin-left: 6px;
            }

            .timeline-dot {
                left: 10px;
                top: 6px;
                width: 10px;
                height: 10px;
            }

            .timeline-card {
                padding: 18px 18px;
            }

            .timeline-card-header h3 {
                font-size: 15px;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 16px;
                gap: 8px;
            }

            .stats-bar .stat-number {
                font-size: 22px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .cta-resource {
                padding: 22px 18px;
            }

            .pagination-wrap {
                gap: 4px;
            }

            .page-btn {
                width: 34px;
                height: 34px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-resource h1 {
                font-size: 22px;
            }

            .hero-resource .hero-lead {
                font-size: 14px;
            }

            .hero-resource .hero-meta {
                gap: 12px;
                flex-direction: column;
            }

            .hero-image-wrap img {
                height: 180px;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
                padding: 12px;
            }

            .stats-bar .stat-item {
                padding: 4px 6px;
            }

            .stats-bar .stat-number {
                font-size: 19px;
            }

            .stats-bar .stat-label {
                font-size: 11px;
            }

            .timeline-card {
                padding: 14px 14px;
            }

            .timeline-card p {
                font-size: 13px;
            }

            .section-title {
                font-size: 19px;
            }

            .cta-resource h2 {
                font-size: 19px;
            }
        }