/* roulang page: index */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--text-main);
            margin-top: 0;
        }
        h1 {
            font-size: 32px;
            line-height: 1.3;
            margin-bottom: 24px;
        }
        h2 {
            font-size: 26px;
            line-height: 1.4;
            margin-bottom: 20px;
        }
        h3 {
            font-size: 18px;
            line-height: 1.4;
            font-weight: 600;
            margin-bottom: 11px;
        }
        p {
            margin-bottom: 16px;
        }
        .text-mid {
            color: var(--text-mid);
        }
        .text-light {
            color: var(--text-light);
        }
        .text-accent {
            color: var(--accent);
        }
        .fs-small {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-mid);
        }
        .fs-tiny {
            font-size: 12.5px;
            line-height: 1.4;
            color: var(--text-light);
        }

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }
        @media (max-width: 1199.98px) {
            .container-site {
                padding-left: 36px;
                padding-right: 36px;
            }
        }
        @media (max-width: 767.98px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 575.98px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }

        .bg-alt {
            background-color: var(--bg-alt);
        }
        .bg-dark-green {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.85);
        }
        .bg-dark-green h2,
        .bg-dark-green h3 {
            color: #F8F4EC;
        }
        .bg-dark-green .text-mid {
            color: rgba(248, 244, 236, 0.6);
        }

        .btn-site-primary {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-fast);
            white-space: nowrap;
        }
        .btn-site-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.25);
        }
        .btn-site-primary:active {
            transform: translateY(1px);
        }
        .btn-site-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-site-outline {
            display: inline-block;
            padding: 12px 24px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }
        .btn-site-outline:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }
        .btn-site-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .btn-site-link {
            display: inline-block;
            padding: 6px 14px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-site-link:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }

        .site-header {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(14, 59, 46, 0.04);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo img,
        .brand-logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #F8F4EC;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--accent);
        }
        .brand-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .brand-search-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-mid);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }
        .brand-search-icon:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: rgba(185, 138, 47, 0.04);
        }
        .btn-header-cta {
            display: inline-block;
            padding: 8px 18px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid var(--primary);
            transition: background-color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
        }

        .channel-row {
            background-color: var(--bg-alt);
            border-top: 1px solid var(--border-lighter);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 46px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-light) transparent;
        }
        .channel-nav::-webkit-scrollbar {
            height: 3px;
        }
        .channel-nav::-webkit-scrollbar-thumb {
            background-color: var(--border-light);
            border-radius: 3px;
        }
        .channel-nav a {
            font-size: 13.5px;
            color: var(--text-main);
            white-space: nowrap;
            padding: 0 2px;
            position: relative;
            height: 46px;
            display: flex;
            align-items: center;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            font-weight: 500;
        }
        .channel-nav a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }

        .hamburger-btn {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--border-light);
            color: var(--text-main);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-direction: column;
            gap: 4px;
            position: relative;
        }
        .hamburger-btn span {
            display: block;
            width: 16px;
            height: 2px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .hamburger-btn.open span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .hamburger-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-btn.open span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-card-lg);
            z-index: 999;
            padding: 16px 20px 20px;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
            transition: transform var(--transition-mid);
        }
        .mobile-drawer.open {
            display: block;
        }
        .mobile-drawer a.mobile-channel-link {
            display: block;
            padding: 12px 4px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-lighter);
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .mobile-drawer a.mobile-channel-link:hover {
            color: var(--accent);
            padding-left: 8px;
        }
        .mobile-drawer a.mobile-channel-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        @media (max-width: 767.98px) {
            .hamburger-btn {
                display: flex;
            }
            .channel-row {
                display: none;
            }
            .brand-right .btn-header-cta {
                display: none;
            }
        }
        @media (min-width: 768px) {
            .mobile-drawer {
                display: none !important;
            }
        }

        .hero-section {
            padding: 56px 0 64px;
            background-color: var(--bg-main);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(248, 244, 236, 0.97) 45%, rgba(10, 43, 32, 0.55) 100%);
            z-index: 1;
        }
        .hero-section .container-site {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: start;
        }
        .hero-left {
            padding-top: 12px;
        }
        .hero-badge {
            display: inline-block;
            padding: 5px 14px;
            background-color: rgba(185, 138, 47, 0.12);
            color: var(--accent);
            border: 1px solid rgba(185, 138, 47, 0.3);
            border-radius: 20px;
            font-size: 12.5px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .hero-title {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .hero-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-mid);
            margin-bottom: 22px;
            max-width: 500px;
        }
        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-data-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-data-item .data-num {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }
        .hero-data-item .data-label {
            font-size: 12.5px;
            color: var(--text-mid);
        }
        .hero-right {
            background-color: rgba(253, 251, 247, 0.92);
            border-radius: var(--radius-hero);
            padding: 20px;
            box-shadow: var(--shadow-card-lg);
            border: 1px solid var(--border-light);
            backdrop-filter: blur(10px);
        }
        .compare-card {
            background-color: transparent;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 16px 18px;
            margin-bottom: 10px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
        }
        .compare-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }
        .compare-card.recommended {
            background-color: rgba(14, 59, 46, 0.05);
            border-color: var(--primary);
            border-width: 2px;
            position: relative;
        }
        .compare-card.recommended .rec-badge {
            display: inline-block;
            padding: 2px 10px;
            background-color: var(--primary);
            color: #F8F4EC;
            font-size: 11px;
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: 8px;
        }
        .compare-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .compare-card p {
            font-size: 13.5px;
            line-height: 1.6;
            color: var(--text-mid);
            margin-bottom: 10px;
        }
        .compare-card .btn-compare {
            display: inline-block;
            padding: 7px 16px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 6px;
            font-size: 12.5px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .compare-card .btn-compare:hover {
            background-color: var(--primary);
            color: #F8F4EC;
        }
        .compare-card.recommended .btn-compare {
            background-color: var(--primary);
            color: #F8F4EC;
        }
        .compare-card.recommended .btn-compare:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
        }

        @media (max-width: 991.98px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-right {
                padding: 16px;
            }
        }
        @media (max-width: 575.98px) {
            .hero-section {
                padding: 36px 0 44px;
            }
            .hero-title {
                font-size: 24px;
                line-height: 1.35;
            }
            .hero-subtitle {
                font-size: 15px;
                line-height: 1.75;
            }
            .hero-data-row {
                gap: 20px;
            }
            .hero-data-item .data-num {
                font-size: 18px;
            }
        }

        .section-header {
            margin-bottom: 32px;
        }
        .section-header .section-label {
            display: inline-block;
            padding: 3px 12px;
            background-color: rgba(185, 138, 47, 0.1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.8;
            max-width: 720px;
        }

        .news-section {
            background-color: var(--bg-main);
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 18px;
            border-left: 3px solid transparent;
            border-bottom: 1px solid var(--border-lighter);
            background-color: var(--bg-card);
            border-radius: 6px;
            margin-bottom: 8px;
            transition: background-color var(--transition-fast), border-left-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .news-item:hover {
            background-color: var(--bg-alt);
            border-left-color: var(--accent);
            box-shadow: var(--shadow-card);
        }
        .news-date {
            flex-shrink: 0;
            min-width: 64px;
            text-align: center;
            padding: 6px 8px;
            background-color: var(--bg-alt);
            border-radius: 6px;
            font-size: 12px;
            line-height: 1.3;
            color: var(--text-mid);
        }
        .news-date .d-day {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
        }
        .news-body {
            flex: 1;
        }
        .news-body h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .news-body h3 a {
            color: var(--text-main);
            transition: color var(--transition-fast);
        }
        .news-body h3 a:hover {
            color: var(--accent);
        }
        .news-body p {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .news-body .btn-site-link {
            font-size: 12.5px;
            padding: 4px 12px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
        }
        .side-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .side-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-lighter);
            font-size: 13.5px;
            line-height: 1.5;
        }
        .side-card ul li:last-child {
            border-bottom: none;
        }
        .side-card ul li a {
            color: var(--text-mid);
            transition: color var(--transition-fast);
        }
        .side-card ul li a:hover {
            color: var(--accent);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud span {
            display: inline-block;
            padding: 4px 10px;
            background-color: var(--bg-alt);
            border-radius: 14px;
            font-size: 12px;
            color: var(--text-mid);
            cursor: pointer;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .tag-cloud span:hover {
            background-color: var(--primary);
            color: #F8F4EC;
        }

        @media (max-width: 991.98px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .side-card {
                flex: 1 1 280px;
            }
        }
        @media (max-width: 575.98px) {
            .news-sidebar {
                flex-direction: column;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                min-width: auto;
                display: flex;
                align-items: center;
                gap: 8px;
                padding: 4px 10px;
                font-size: 12px;
            }
            .news-date .d-day {
                font-size: 16px;
            }
        }

        .services-section {
            background-color: var(--bg-alt);
        }
        .service-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: center;
            margin-bottom: 32px;
        }
        .service-row.reverse {
            direction: rtl;
        }
        .service-row.reverse .service-content {
            direction: ltr;
        }
        .service-row .service-content {
            direction: ltr;
            padding: 20px 24px;
        }
        .service-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .service-content p {
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .service-content ul {
            list-style: none;
            padding: 0;
            margin: 0 0 14px;
        }
        .service-content ul li {
            padding: 5px 0;
            font-size: 14px;
            color: var(--text-mid);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .service-content ul li i {
            color: var(--accent);
            margin-top: 4px;
            flex-shrink: 0;
        }
        .service-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }
        .service-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-card);
        }
        @media (max-width: 991.98px) {
            .service-row,
            .service-row.reverse {
                grid-template-columns: 1fr;
                direction: ltr;
            }
            .service-row.reverse .service-content {
                direction: ltr;
            }
            .service-image img {
                height: 220px;
            }
        }

        .deep-section {
            background-color: var(--bg-main);
        }
        .deep-article {
            max-width: 820px;
            margin: 0 auto;
        }
        .deep-article h2 {
            font-size: 24px;
            margin-bottom: 16px;
        }
        .deep-article h3 {
            font-size: 19px;
            margin-top: 24px;
            margin-bottom: 10px;
        }
        .deep-article p {
            font-size: 15.5px;
            line-height: 1.9;
            color: var(--text-main);
            margin-bottom: 18px;
        }
        .deep-article ul {
            margin-bottom: 18px;
            padding-left: 22px;
        }
        .deep-article ul li {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-mid);
            margin-bottom: 8px;
        }
        .deep-article blockquote {
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            background-color: var(--bg-alt);
            border-radius: 0 8px 8px 0;
            font-size: 15px;
            color: var(--text-mid);
            font-style: italic;
            margin-bottom: 18px;
        }

        .app-section {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.85);
            padding: 56px 0;
        }
        .app-section h2 {
            color: #F8F4EC;
        }
        .app-section .section-desc {
            color: rgba(248, 244, 236, 0.65);
        }
        .app-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .app-text h3 {
            color: #F8F4EC;
            font-size: 20px;
        }
        .app-text p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(248, 244, 236, 0.75);
            margin-bottom: 12px;
        }
        .app-text ul {
            list-style: none;
            padding: 0;
            margin-bottom: 18px;
        }
        .app-text ul li {
            padding: 6px 0;
            font-size: 14.5px;
            color: rgba(248, 244, 236, 0.75);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .app-text ul li i {
            color: var(--accent-light);
            flex-shrink: 0;
        }
        .app-image {
            border-radius: var(--radius-hero);
            overflow: hidden;
            border: 1px solid rgba(248, 244, 236, 0.15);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }
        .app-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-hero);
        }
        @media (max-width: 991.98px) {
            .app-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .app-image img {
                height: 240px;
            }
        }

        .testimonial-section {
            background-color: var(--bg-main);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .testimonial-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 14px;
            padding: 22px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent);
        }
        .testimonial-card .quote-mark {
            font-size: 32px;
            color: var(--accent);
            line-height: 1;
            font-weight: 700;
        }
        .testimonial-card p {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-main);
            margin-bottom: 0;
            flex: 1;
        }
        .testimonial-card .testimonial-author {
            font-size: 13px;
            color: var(--text-mid);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .testimonial-author .author-tag {
            display: inline-block;
            padding: 2px 8px;
            background-color: var(--bg-alt);
            border-radius: 4px;
            font-size: 11.5px;
            font-weight: 400;
            color: var(--text-light);
        }
        .testimonial-wide {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 20px;
            align-items: center;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 14px;
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .testimonial-wide:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent);
        }
        .testimonial-wide .quote-mark {
            font-size: 42px;
            color: var(--accent);
            font-weight: 700;
            line-height: 1;
        }
        .testimonial-wide p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .testimonial-wide .testimonial-author {
            font-size: 13px;
            color: var(--text-mid);
            font-weight: 600;
        }
        @media (max-width: 767.98px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-wide {
                grid-column: auto;
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }

        .faq-section {
            background-color: var(--bg-alt);
        }
        .accordion-site .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .accordion-site .accordion-item:hover {
            border-color: var(--border-light);
        }
        .accordion-site .accordion-header {
            margin: 0;
        }
        .accordion-site .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15.5px;
            padding: 16px 18px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            text-align: left;
            transition: background-color var(--transition-fast), color var(--transition-fast);
            box-shadow: none;
        }
        .accordion-site .accordion-button:hover {
            background-color: var(--bg-alt);
            color: var(--primary);
        }
        .accordion-site .accordion-button:not(.collapsed) {
            background-color: var(--bg-main);
            color: var(--primary);
            font-weight: 700;
            border-bottom: 1px solid var(--border-light);
            border-radius: 8px 8px 0 0;
            box-shadow: none;
        }
        .accordion-site .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .accordion-site .accordion-button::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 12px;
            color: var(--text-mid);
            background-image: none;
            transition: transform var(--transition-mid);
        }
        .accordion-site .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .accordion-site .accordion-body {
            padding: 16px 18px;
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-mid);
            background-color: var(--bg-card);
        }

        .about-section {
            background-color: var(--bg-main);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .about-text h2 {
            margin-bottom: 14px;
        }
        .about-text p {
            font-size: 15.5px;
            line-height: 1.9;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .about-text .highlight-text {
            font-weight: 600;
            color: var(--primary);
        }
        .about-image {
            border-radius: var(--radius-hero);
            overflow: hidden;
            box-shadow: var(--shadow-card-lg);
            border: 1px solid var(--border-light);
        }
        .about-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius-hero);
        }
        @media (max-width: 991.98px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .about-image img {
                height: 240px;
            }
        }

        .cta-section {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.85);
            padding: 56px 0;
            text-align: center;
        }
        .cta-section .container-site {
            max-width: 720px;
        }
        .cta-section h2 {
            color: #F8F4EC;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(248, 244, 236, 0.7);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-site-primary {
            background-color: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
        }
        .cta-buttons .btn-site-primary:hover {
            background-color: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
        }
        .cta-buttons .btn-site-outline {
            border-color: rgba(248, 244, 236, 0.4);
            color: #F8F4EC;
        }
        .cta-buttons .btn-site-outline:hover {
            background-color: rgba(248, 244, 236, 0.12);
            border-color: #F8F4EC;
            color: #F8F4EC;
        }

        .site-footer {
            background-color: var(--primary-dark);
            border-top: 1px solid rgba(248, 244, 236, 0.1);
            padding-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
        }
        .footer-brand .brand-logo {
            color: #F8F4EC;
            font-size: 18px;
            margin-bottom: 12px;
            display: flex;
        }
        .footer-brand .brand-logo .logo-mark {
            background-color: var(--accent);
            color: var(--primary-dark);
        }
        .footer-brand p {
            font-size: 13.5px;
            color: rgba(248, 244, 236, 0.6);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #F8F4EC;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: rgba(248, 244, 236, 0.65);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(248, 244, 236, 0.18);
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }
        .footer-bottom p {
            font-size: 12px;
            color: rgba(248, 244, 236, 0.55);
            margin-bottom: 0;
        }
        .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            font-size: 12px;
            color: rgba(248, 244, 236, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--accent-light);
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category3 */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

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

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-top: 0;
        }

        h1 {
            font-size: 32px;
            margin-bottom: 24px;
            line-height: 1.3;
        }

        h2 {
            font-size: 26px;
            margin-bottom: 20px;
        }

        h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 11px;
        }

        p {
            margin-bottom: 16px;
        }

        .text-mid {
            color: var(--text-mid) !important;
        }

        .text-light {
            color: var(--text-light) !important;
        }

        .text-accent {
            color: var(--accent) !important;
        }

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 36px;
            padding-right: 36px;
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        .bg-dark-green {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.9);
        }

        .bg-dark-green .text-mid {
            color: rgba(248, 244, 236, 0.6) !important;
        }

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

        .btn-site-primary {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-site-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.25);
        }

        .btn-site-primary:active {
            transform: translateY(1px);
        }

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

        .btn-site-outline {
            display: inline-block;
            padding: 12px 24px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }

        .btn-site-outline:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }

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

        .btn-site-link {
            display: inline-block;
            padding: 6px 14px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 13px;
            line-height: 1.4;
            transition: all var(--transition-fast);
        }

        .btn-site-link:hover {
            background-color: var(--accent);
            color: #F8F4EC;
            border-color: var(--accent);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--bg-card);
            box-shadow: 0 1px 0 var(--border-light);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            padding: 0 36px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            white-space: nowrap;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-search-icon {
            background: none;
            border: none;
            color: var(--text-mid);
            font-size: 17px;
            cursor: pointer;
            padding: 8px;
            transition: color var(--transition-fast);
        }

        .brand-search-icon:hover {
            color: var(--accent);
        }

        .btn-header-cta {
            display: inline-block;
            padding: 8px 18px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: background-color var(--transition-fast), border-color var(--transition-fast);
        }

        .btn-header-cta:hover {
            background-color: var(--primary-dark);
            color: #F8F4EC;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
        }

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .channel-row {
            background-color: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            min-height: 46px;
            padding: 0 36px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-light) transparent;
        }

        .channel-nav::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav::-webkit-scrollbar-thumb {
            background-color: var(--border-light);
            border-radius: 3px;
        }

        .channel-nav a {
            font-size: 13.5px;
            color: var(--text-main);
            white-space: nowrap;
            padding: 10px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            font-weight: 500;
        }

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

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.75);
            padding-top: 56px;
            padding-bottom: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(248, 244, 236, 0.18);
        }

        .footer-brand .brand-logo {
            color: #F8F4EC;
            margin-bottom: 14px;
            font-size: 17px;
        }

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.75;
            color: rgba(248, 244, 236, 0.6);
            max-width: 300px;
        }

        .footer-col h5 {
            color: #F8F4EC;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(248, 244, 236, 0.65);
            font-size: 13.5px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(248, 244, 236, 0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            color: rgba(248, 244, 236, 0.55);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

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

        /* Category Page Specific Styles */
        .page-hero {
            background-color: var(--bg-alt);
            border-bottom: 1px solid var(--border-light);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: linear-gradient(135deg, transparent 60%, rgba(14, 59, 46, 0.06));
            pointer-events: none;
        }

        .page-hero-badge {
            display: inline-block;
            padding: 5px 14px;
            background-color: var(--accent);
            color: #F8F4EC;
            font-size: 12.5px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-hero h1 {
            margin-bottom: 16px;
            font-size: 32px;
        }

        .page-hero .lead {
            font-size: 16px;
            color: var(--text-mid);
            max-width: 720px;
            margin-bottom: 0;
        }

        .service-item {
            display: flex;
            gap: 40px;
            align-items: center;
            padding: 40px 0;
            border-bottom: 1px solid var(--border-lighter);
        }

        .service-item:last-of-type {
            border-bottom: none;
        }

        .service-item.reverse {
            flex-direction: row-reverse;
        }

        .service-item-img {
            flex: 0 0 380px;
            max-width: 380px;
            border-radius: var(--radius-hero);
            overflow: hidden;
            position: relative;
        }

        .service-item-img img {
            width: 100%;
            height: 260px;
            object-fit: cover;
            border-radius: var(--radius-hero);
            transition: transform var(--transition-slow);
        }

        .service-item:hover .service-item-img img {
            transform: scale(1.03);
        }

        .service-item-content {
            flex: 1;
        }

        .service-item-tag {
            display: inline-block;
            padding: 4px 12px;
            background-color: rgba(185, 138, 47, 0.12);
            color: var(--accent);
            font-size: 12.5px;
            font-weight: 600;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }

        .service-item-content h2 {
            font-size: 22px;
            margin-bottom: 12px;
        }

        .service-item-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .service-item-content p {
            color: var(--text-mid);
            margin-bottom: 14px;
        }

        .service-item-points {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .service-item-points li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 8px;
            color: var(--text-mid);
            font-size: 14.5px;
            line-height: 1.7;
        }

        .service-item-points li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 3px;
            color: var(--accent);
            font-size: 13px;
        }

        .cta-banner {
            background-color: var(--primary-dark);
            border-radius: var(--radius-hero);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 48px;
        }

        .cta-banner h2 {
            color: #F8F4EC;
            font-size: 24px;
            margin-bottom: 8px;
        }

        .cta-banner p {
            color: rgba(248, 244, 236, 0.7);
            margin-bottom: 0;
            max-width: 420px;
        }

        .cta-banner-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-banner .btn-site-primary {
            background-color: var(--accent);
            border-color: var(--accent);
        }

        .cta-banner .btn-site-primary:hover {
            background-color: #A37A25;
            border-color: #A37A25;
        }

        .cta-banner .btn-site-outline {
            color: #F8F4EC;
            border-color: rgba(248, 244, 236, 0.5);
        }

        .cta-banner .btn-site-outline:hover {
            background-color: #F8F4EC;
            color: var(--primary-dark);
            border-color: #F8F4EC;
        }

        .note-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            margin-top: 32px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .note-card-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(14, 59, 46, 0.08);
            color: var(--primary);
            border-radius: 8px;
            font-size: 16px;
        }

        .note-card-content p {
            margin-bottom: 0;
            color: var(--text-mid);
            font-size: 14px;
        }

        /* Responsive */
        @media (min-width: 1200px) {
            .container-site,
            .brand-row,
            .channel-nav {
                padding-left: 48px;
                padding-right: 48px;
            }
        }

        @media (max-width: 1199.98px) {
            .service-item-img {
                flex: 0 0 320px;
                max-width: 320px;
            }
            .service-item-img img {
                height: 230px;
            }
        }

        @media (max-width: 991.98px) {
            .brand-row,
            .channel-nav {
                padding-left: 24px;
                padding-right: 24px;
            }
            .container-site {
                padding-left: 24px;
                padding-right: 24px;
            }
            .service-item {
                flex-direction: column !important;
                gap: 24px;
                align-items: flex-start;
                padding: 32px 0;
            }
            .service-item-img {
                flex: 0 0 auto;
                max-width: 100%;
                width: 100%;
            }
            .service-item-img img {
                height: 220px;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 767.98px) {
            .brand-row,
            .channel-nav {
                padding-left: 16px;
                padding-right: 16px;
            }
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
            h1 {
                font-size: 26px;
            }
            h2 {
                font-size: 22px;
            }
            .page-hero {
                padding: 40px 0 32px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hamburger-btn {
                display: flex;
            }
            .channel-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--bg-card);
                flex-direction: column;
                gap: 0;
                padding: 8px 16px 16px;
                box-shadow: 0 8px 20px rgba(14, 59, 46, 0.1);
                border-top: 1px solid var(--border-light);
                max-height: 70vh;
                overflow-y: auto;
            }
            .channel-nav.open {
                display: flex;
            }
            .channel-nav a {
                width: 100%;
                padding: 12px 0;
                border-bottom: 1px solid var(--border-lighter);
                font-size: 14px;
                border-bottom-width: 1px;
            }
            .channel-nav a.active {
                border-bottom-color: var(--primary);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-banner {
                padding: 32px 24px;
            }
            .cta-banner h2 {
                font-size: 20px;
            }
            .service-item-img img {
                height: 180px;
            }
        }

        @media (max-width: 575.98px) {
            .container-site,
            .brand-row,
            .channel-nav {
                padding-left: 16px;
                padding-right: 16px;
            }
            .brand-logo {
                font-size: 15px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 16px;
            }
            .btn-header-cta {
                padding: 6px 14px;
                font-size: 12px;
            }
            .service-item-content h2 {
                font-size: 20px;
            }
            .service-item-points li {
                font-size: 14px;
            }
            .btn-site-primary,
            .btn-site-outline {
                padding: 10px 18px;
                font-size: 14px;
            }
            .cta-banner-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-banner-actions .btn-site-primary,
            .cta-banner-actions .btn-site-outline {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
            --footer-bg: #0A2B20;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

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

        .text-mid {
            color: var(--text-mid);
        }

        .text-light {
            color: var(--text-light);
        }

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

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        /* Header / Navigation */
        .site-header {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(14, 59, 46, 0.04);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            transition: color var(--transition-fast);
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: var(--radius-badge);
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand-search-icon {
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            padding: 7px 12px;
            color: var(--text-mid);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .brand-search-icon:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--bg-card);
        }

        .btn-header-cta {
            display: inline-block;
            padding: 8px 18px;
            background-color: var(--accent);
            color: #F8F4EC;
            border: 1px solid var(--accent);
            border-radius: 8px;
            font-weight: 600;
            font-size: 14px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: all var(--transition-mid);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #F8F4EC;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 10px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            border-color: var(--accent);
        }

        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 1px;
            transition: all var(--transition-mid);
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .channel-row {
            background-color: var(--bg-alt);
            height: 46px;
            display: flex;
            align-items: center;
            border-top: 1px solid var(--border-light);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--accent) var(--border-light);
            height: 100%;
        }

        .channel-nav::-webkit-scrollbar {
            height: 4px;
        }

        .channel-nav::-webkit-scrollbar-track {
            background: var(--border-light);
            border-radius: 2px;
        }

        .channel-nav::-webkit-scrollbar-thumb {
            background: var(--accent);
            border-radius: 2px;
        }

        .channel-nav a {
            font-size: 13.5px;
            color: var(--text-main);
            white-space: nowrap;
            padding: 10px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            position: relative;
            font-weight: 500;
        }

        .channel-nav a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent-light);
        }

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
        }

        /* Page header */
        .page-header {
            background-image: linear-gradient(rgba(10, 43, 32, 0.88), rgba(14, 59, 46, 0.82)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 56px 0 48px;
            color: #F8F4EC;
            position: relative;
        }

        .page-header h1 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 14px;
            color: #F8F4EC;
        }

        .page-header .header-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(248, 244, 236, 0.85);
            max-width: 760px;
            margin-bottom: 0;
        }

        .header-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .header-badge {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(248, 244, 236, 0.12);
            border: 1px solid rgba(248, 244, 236, 0.28);
            border-radius: 999px;
            font-size: 12.5px;
            color: rgba(248, 244, 236, 0.9);
            line-height: 1.5;
        }

        /* Main content area */
        .main-content {
            padding: 48px 0 56px;
        }

        .article-list-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
        }

        .article-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            transition: background-color var(--transition-mid), transform var(--transition-fast);
            border-radius: 0;
            padding-left: 0;
        }

        .article-item:hover {
            background-color: var(--bg-alt);
            transform: translateX(2px);
            padding-left: 12px;
        }

        .article-item:first-child {
            padding-top: 0;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .article-date {
            font-size: 12.5px;
            color: var(--text-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .article-tag {
            display: inline-block;
            padding: 2px 10px;
            background-color: var(--bg-alt);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            font-size: 12px;
            color: var(--text-mid);
            line-height: 1.5;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .article-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--bg-card);
        }

        .article-item h2 {
            font-size: 18px;
            line-height: 1.45;
            font-weight: 600;
            margin: 0;
        }

        .article-item h2 a {
            color: var(--text-main);
            transition: color var(--transition-fast);
        }

        .article-item h2 a:hover {
            color: var(--accent);
        }

        .article-excerpt {
            font-size: 14.5px;
            color: var(--text-mid);
            line-height: 1.75;
            margin: 0;
        }

        .article-read-more {
            font-size: 13px;
            color: var(--accent);
            font-weight: 500;
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .article-read-more:hover {
            color: var(--primary-dark);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 20px;
        }

        .sidebar-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }

        .sidebar-article-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-article-list li {
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--border-light);
        }

        .sidebar-article-list li:last-child {
            padding-bottom: 0;
            border-bottom: none;
        }

        .sidebar-article-list a {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.6;
            font-weight: 500;
            display: block;
        }

        .sidebar-article-list a:hover {
            color: var(--accent);
        }

        .sidebar-article-list .side-date {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
            display: block;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 6px 14px;
            background-color: var(--bg-main);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            font-size: 12.5px;
            color: var(--text-mid);
            line-height: 1.4;
            transition: all var(--transition-fast);
        }

        .tag-cloud a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--bg-card);
            box-shadow: var(--shadow-card);
        }

        /* Pagination */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            padding: 28px 0 8px;
        }

        .pagination-wrap button,
        .pagination-wrap a.pg-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-main);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .pagination-wrap button:hover,
        .pagination-wrap a.pg-link:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--bg-alt);
        }

        .pagination-wrap button.active,
        .pagination-wrap a.pg-link.active {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination-wrap button:disabled,
        .pagination-wrap a.pg-link.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background-color: var(--footer-bg);
            color: rgba(248, 244, 236, 0.75);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .brand-logo {
            color: #F8F4EC;
            font-size: 18px;
            margin-bottom: 14px;
        }

        .footer-brand .logo-mark {
            background-color: var(--accent);
            color: var(--primary-dark);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(248, 244, 236, 0.65);
            margin: 0;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #F8F4EC;
            margin: 0 0 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(248, 244, 236, 0.7);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(248, 244, 236, 0.18);
            padding-top: 22px;
            font-size: 12px;
            color: rgba(248, 244, 236, 0.55);
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            align-items: center;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            gap: 14px;
            margin-left: auto;
        }

        .footer-links a {
            font-size: 12px;
            color: rgba(248, 244, 236, 0.65);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .container-site {
                padding-left: 36px;
                padding-right: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-links {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }

            .brand-row {
                height: 60px;
            }

            .btn-header-cta {
                padding: 7px 14px;
                font-size: 13px;
            }

            .hamburger-btn {
                display: flex;
            }

            .channel-row {
                display: none;
                height: auto;
            }

            .channel-row.mobile-open {
                display: flex;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background-color: var(--bg-alt);
                border-top: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
                padding: 16px 20px;
                z-index: 999;
                box-shadow: 0 8px 20px rgba(14, 59, 46, 0.12);
            }

            .channel-row.mobile-open .channel-nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                overflow-y: auto;
                max-height: 50vh;
                width: 100%;
            }

            .channel-row.mobile-open .channel-nav a {
                display: block;
                width: 100%;
                padding: 10px 0;
                border-bottom: 1px solid var(--border-light);
                font-size: 15px;
            }

            .channel-row.mobile-open .channel-nav a:last-child {
                border-bottom: none;
            }

            .channel-row.mobile-open .channel-nav a.active {
                border-bottom-color: var(--primary);
                border-bottom-width: 2px;
            }

            .page-header {
                padding: 40px 0 36px;
            }

            .page-header h1 {
                font-size: 24px;
            }

            .main-content {
                padding: 32px 0 40px;
            }

            .article-item h2 {
                font-size: 16.5px;
            }

            .article-excerpt {
                font-size: 14px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

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

            .brand-logo {
                font-size: 16px;
                gap: 8px;
            }

            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .brand-search-icon {
                padding: 6px 10px;
            }

            .btn-header-cta {
                padding: 6px 12px;
                font-size: 12px;
            }

            .page-header h1 {
                font-size: 21px;
            }

            .page-header .header-desc {
                font-size: 14.5px;
            }

            .article-item {
                padding: 16px 0;
            }

            .article-item h2 {
                font-size: 15.5px;
            }

            .pagination-wrap button,
            .pagination-wrap a.pg-link {
                min-width: 34px;
                height: 34px;
                padding: 0 8px;
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }
        @media (max-width: 991.98px) {
            .container-site {
                padding-left: 36px;
                padding-right: 36px;
            }
        }
        @media (max-width: 767.98px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 575.98px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .text-mid {
            color: var(--text-mid);
        }
        .text-light {
            color: var(--text-light);
        }
        .text-accent {
            color: var(--accent);
        }
        .bg-alt {
            background-color: var(--bg-alt);
        }
        .bg-dark-green {
            background-color: var(--primary-dark);
        }
        .bg-dark-green .text-mid {
            color: rgba(248, 244, 236, 0.6);
        }
        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }
        .btn-site-primary {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-fast);
            white-space: nowrap;
        }
        .btn-site-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.25);
        }
        .btn-site-primary:active {
            transform: translateY(1px);
        }
        .btn-site-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-site-outline {
            display: inline-block;
            padding: 12px 24px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }
        .btn-site-outline:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }
        .btn-site-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-site-link {
            display: inline-block;
            padding: 6px 14px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-site-link:hover {
            background-color: var(--accent);
            color: #F8F4EC;
            border-color: var(--accent);
        }
        .btn-site-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .site-header {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1030;
            box-shadow: 0 2px 8px rgba(14, 59, 46, 0.04);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1;
        }
        .brand-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .brand-search-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            color: var(--text-mid);
            cursor: pointer;
            transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }
        .brand-search-icon:hover {
            background-color: var(--bg-alt);
            color: var(--accent);
            border-color: var(--accent);
        }
        .btn-header-cta {
            display: inline-block;
            padding: 8px 16px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 6px;
            font-weight: 600;
            font-size: 13px;
            line-height: 1.4;
            transition: background-color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            background-color: var(--primary-dark);
            color: #F8F4EC;
            border-color: var(--accent);
        }
        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 4px;
            width: 40px;
            height: 40px;
        }
        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .channel-row {
            background-color: var(--bg-alt);
            height: 46px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .channel-nav a {
            font-size: 13.5px;
            color: var(--text-mid);
            font-weight: 500;
            padding: 4px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .channel-nav a:hover {
            color: var(--accent);
        }
        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 700;
        }
        @media (max-width: 991.98px) {
            .hamburger-btn {
                display: flex;
            }
            .channel-row {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                height: auto;
                max-height: 400px;
                overflow-y: auto;
                background-color: var(--bg-main);
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 8px 20px rgba(14, 59, 46, 0.12);
                padding: 16px 24px;
                z-index: 1029;
            }
            .channel-row.mobile-open {
                display: flex;
            }
            .channel-nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                width: 100%;
            }
            .channel-nav a {
                font-size: 15px;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid var(--border-lighter);
            }
            .channel-nav a.active {
                border-bottom-color: var(--primary);
            }
        }
        .article-hero {
            padding-top: 56px;
            padding-bottom: 40px;
            background-color: var(--bg-main);
        }
        .article-breadcrumb {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }
        .article-breadcrumb a {
            color: var(--text-mid);
        }
        .article-breadcrumb a:hover {
            color: var(--accent);
        }
        .article-breadcrumb .separator {
            color: var(--text-light);
            margin: 0 4px;
        }
        .article-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 13px;
            color: var(--text-mid);
            margin-bottom: 24px;
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--accent);
            font-size: 13px;
        }
        .article-hero-image {
            width: 100%;
            border-radius: var(--radius-hero);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card-lg);
        }
        .article-hero-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-hero);
        }
        .article-toc {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            margin-bottom: 40px;
            box-shadow: var(--shadow-card);
        }
        .article-toc h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-toc h3 i {
            color: var(--accent);
        }
        .article-toc ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 24px;
        }
        .article-toc ul li {
            position: relative;
            padding-left: 18px;
            font-size: 14px;
        }
        .article-toc ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background-color: var(--accent);
            border-radius: 50%;
        }
        .article-toc ul li a {
            color: var(--text-mid);
            transition: color var(--transition-fast);
        }
        .article-toc ul li a:hover {
            color: var(--accent);
        }
        .article-body {
            max-width: 780px;
            margin: 0 auto;
        }
        .article-section {
            margin-bottom: 48px;
        }
        .article-section h2 {
            font-size: 26px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            position: relative;
        }
        .article-section h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 60px;
            height: 2px;
            background-color: var(--accent);
        }
        .article-section p {
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .article-section ul,
        .article-section ol {
            margin-bottom: 16px;
            padding-left: 24px;
        }
        .article-section ul li,
        .article-section ol li {
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .article-section blockquote {
            border-left: 3px solid var(--accent);
            background-color: var(--bg-alt);
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
            font-style: italic;
            color: var(--text-mid);
        }
        .article-section blockquote p {
            margin-bottom: 0;
        }
        .article-section .data-highlight {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }
        .article-section .data-highlight h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .article-section .data-highlight p {
            margin-bottom: 8px;
            font-size: 14px;
        }
        .article-pagination {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-pagination a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 10px 16px;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            background-color: var(--bg-card);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .article-pagination a:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: var(--shadow-card);
        }
        .article-pagination .back-link {
            border: none;
            background: transparent;
            color: var(--text-mid);
            padding: 10px 8px;
        }
        .article-pagination .back-link:hover {
            color: var(--accent);
            background: transparent;
            border: none;
            box-shadow: none;
        }
        @media (max-width: 767.98px) {
            .article-pagination {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .article-pagination a {
                justify-content: center;
            }
            .article-title {
                font-size: 26px;
            }
            .article-toc {
                padding: 18px 20px;
            }
            .article-toc ul {
                flex-direction: column;
                gap: 8px;
            }
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.75);
            padding-top: 56px;
            padding-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            color: #F8F4EC;
            margin-bottom: 16px;
        }
        .footer-brand .brand-logo:hover {
            color: var(--accent-light);
        }
        .footer-brand .logo-mark {
            background-color: var(--accent);
            color: var(--primary-dark);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(248, 244, 236, 0.65);
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #F8F4EC;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(248, 244, 236, 0.7);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(248, 244, 236, 0.18);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 24px;
            font-size: 12px;
            color: rgba(248, 244, 236, 0.55);
        }
        .footer-bottom p {
            margin-bottom: 0;
        }
        .footer-links {
            display: flex;
            gap: 16px;
            margin-left: auto;
        }
        .footer-links a {
            font-size: 12px;
            color: rgba(248, 244, 236, 0.7);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-links {
                margin-left: 0;
            }
        }
        @media (max-width: 767.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

/* roulang page: category5 */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

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

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

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

        .text-mid {
            color: var(--text-mid);
        }

        .text-light {
            color: var(--text-light);
        }

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

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        .btn-site-primary {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-site-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.25);
        }

        .btn-site-primary:active {
            transform: translateY(1px);
        }

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

        .btn-site-outline {
            display: inline-block;
            padding: 12px 24px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }

        .btn-site-outline:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }

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

        .btn-site-link {
            display: inline-block;
            padding: 6px 14px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
        }

        .btn-site-link:hover {
            background-color: var(--accent);
            border-color: var(--accent);
            color: #F8F4EC;
        }

        .badge-site {
            display: inline-block;
            padding: 4px 12px;
            background-color: var(--bg-alt);
            color: var(--primary);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-badge);
            font-size: 12.5px;
            font-weight: 600;
            line-height: 1.4;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .badge-site:hover {
            background-color: var(--accent);
            color: #F8F4EC;
            border-color: var(--accent);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--bg-main);
            box-shadow: 0 2px 16px rgba(14, 59, 46, 0.07);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            border-bottom: 1px solid var(--border-light);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            color: #F8F4EC;
            font-size: 16px;
            font-weight: 700;
            border-radius: 8px;
            transition: background-color var(--transition-mid);
        }

        .brand-logo:hover .logo-mark {
            background-color: var(--accent);
        }

        .brand-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand-search-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            color: var(--text-mid);
            border: 1px solid var(--border-light);
            border-radius: 50%;
            cursor: pointer;
            font-size: 14px;
            transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }

        .brand-search-icon:hover {
            background-color: var(--bg-alt);
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: background-color var(--transition-mid), border-color var(--transition-mid);
        }

        .btn-header-cta:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            cursor: pointer;
            padding: 0;
            transition: background-color var(--transition-fast), border-color var(--transition-fast);
        }

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: transform var(--transition-mid), opacity var(--transition-mid);
        }

        .hamburger-btn:hover {
            background-color: var(--bg-alt);
            border-color: var(--primary);
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .channel-row {
            background-color: var(--bg-alt);
            height: 46px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-light);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 100%;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-nav a {
            position: relative;
            display: inline-flex;
            align-items: center;
            height: 100%;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-main);
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

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

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
        }

        .channel-nav a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: 0;
        }

        /* Page Hero */
        .page-hero {
            padding-top: 56px;
            padding-bottom: 48px;
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-lighter);
        }

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

        .page-hero-left {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .page-hero-left h1 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .page-hero-left .hero-desc {
            font-size: 15.5px;
            line-height: 1.85;
            color: var(--text-mid);
            max-width: 540px;
            margin-bottom: 8px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-top: 8px;
        }

        .hero-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-mid);
        }

        .hero-meta-item i {
            color: var(--accent);
            font-size: 13px;
        }

        .page-hero-right {
            position: relative;
        }

        .page-hero-right img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-hero);
            box-shadow: var(--shadow-card-lg);
        }

        .page-hero-right::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(to top, rgba(14, 59, 46, 0.4), transparent);
            border-radius: 0 0 var(--radius-hero) var(--radius-hero);
            pointer-events: none;
        }

        /* Timeline Section */
        .timeline-section {
            padding-top: 72px;
            padding-bottom: 72px;
            background-color: var(--bg-main);
        }

        .section-heading {
            text-align: left;
            margin-bottom: 48px;
        }

        .section-heading h2 {
            font-size: 26px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .section-heading .heading-line {
            width: 56px;
            height: 3px;
            background-color: var(--accent);
            border-radius: 3px;
            margin-top: 4px;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--text-mid);
            margin-top: 10px;
            max-width: 620px;
        }

        .timeline {
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: linear-gradient(to bottom, transparent, var(--border-light) 5%, var(--border-light) 95%, transparent);
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 0 44px 48px 0;
            counter-increment: timeline-counter;
        }

        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding: 0 0 48px 44px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            top: 22px;
            right: -8px;
            width: 16px;
            height: 16px;
            background-color: var(--accent);
            border: 3px solid var(--bg-main);
            border-radius: 50%;
            box-shadow: 0 0 0 3px var(--accent-light);
            z-index: 2;
        }

        .timeline-item:nth-child(even)::before {
            right: auto;
            left: -8px;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            top: 30px;
            right: 44px;
            width: 28px;
            height: 2px;
            background-color: var(--border-light);
        }

        .timeline-item:nth-child(even)::after {
            right: auto;
            left: 44px;
        }

        .timeline-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), border-color var(--transition-mid), transform var(--transition-fast);
            position: relative;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent-light);
            transform: translateY(-2px);
        }

        .timeline-date-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12.5px;
            font-weight: 600;
            color: var(--accent);
            background-color: rgba(185, 138, 47, 0.08);
            padding: 5px 12px;
            border-radius: 20px;
            border: 1px solid rgba(185, 138, 47, 0.2);
            margin-bottom: 12px;
        }

        .timeline-date-badge i {
            font-size: 11px;
        }

        .timeline-card h3 {
            font-size: 18px;
            line-height: 1.4;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .timeline-card p {
            font-size: 14.5px;
            line-height: 1.75;
            color: var(--text-mid);
            margin-bottom: 14px;
        }

        .timeline-card .btn-site-link {
            font-size: 12.5px;
            padding: 5px 12px;
        }

        .timeline-card .btn-site-link i {
            margin-left: 4px;
            font-size: 11px;
        }

        .timeline-card .event-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11.5px;
            font-weight: 500;
            color: var(--primary);
            background-color: var(--bg-alt);
            padding: 3px 10px;
            border-radius: 12px;
            border: 1px solid var(--border-lighter);
            margin-bottom: 10px;
        }

        .timeline-card .event-tag i {
            font-size: 10px;
            color: var(--accent);
        }

        /* Subscribe CTA Section */
        .subscribe-cta {
            background-color: var(--primary-dark);
            padding-top: 64px;
            padding-bottom: 64px;
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(185, 138, 47, 0.18), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(185, 138, 47, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta-left h2 {
            font-size: 26px;
            line-height: 1.4;
            font-weight: 700;
            color: #F8F4EC;
            margin-bottom: 14px;
        }

        .subscribe-cta-left p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(248, 244, 236, 0.78);
            max-width: 460px;
            margin-bottom: 0;
        }

        .subscribe-form-wrap {
            background-color: rgba(248, 244, 236, 0.06);
            border: 1px solid rgba(248, 244, 236, 0.16);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(10px);
        }

        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .subscribe-form label {
            font-size: 13px;
            font-weight: 600;
            color: rgba(248, 244, 236, 0.9);
            letter-spacing: 0.4px;
        }

        .subscribe-input-row {
            display: flex;
            gap: 10px;
        }

        .subscribe-input-row input {
            flex: 1;
            padding: 12px 16px;
            background-color: rgba(248, 244, 236, 0.9);
            color: var(--text-main);
            border: 1px solid transparent;
            border-radius: 8px;
            font-size: 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-input-row input::placeholder {
            color: var(--text-light);
        }

        .subscribe-input-row input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(185, 138, 47, 0.18);
            outline: none;
        }

        .subscribe-form .btn-site-primary {
            border-color: var(--accent);
            background-color: var(--accent);
            width: auto;
            align-self: flex-start;
            padding: 12px 28px;
        }

        .subscribe-form .btn-site-primary:hover {
            background-color: var(--primary);
            border-color: var(--accent-light);
        }

        .subscribe-form-hint {
            font-size: 12px;
            color: rgba(248, 244, 236, 0.5);
            margin-top: 4px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--primary-dark);
            padding-top: 48px;
            padding-bottom: 28px;
            color: rgba(248, 244, 236, 0.75);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(248, 244, 236, 0.18);
        }

        .site-footer .footer-brand .brand-logo {
            font-size: 19px;
            font-weight: 700;
            color: #F8F4EC;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-logo:hover {
            color: var(--accent-light);
        }

        .site-footer .footer-brand .logo-mark {
            background-color: var(--accent);
            color: var(--primary-dark);
        }

        .site-footer .footer-brand p {
            font-size: 13.5px;
            line-height: 1.75;
            color: rgba(248, 244, 236, 0.6);
            max-width: 300px;
            margin-top: 10px;
        }

        .site-footer h5 {
            font-size: 15px;
            font-weight: 700;
            color: #F8F4EC;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul a {
            font-size: 13.5px;
            color: rgba(248, 244, 236, 0.72);
            text-decoration: none;
            transition: color .18s ease;
        }
        .site-footer ul a:hover { color: var(--accent-light); }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 12px;
            color: rgba(248,244,236,.5);
        }
        .footer-bottom p { margin: 0; }
        .footer-links { display: flex; gap: 20px; }
        .footer-links a { color: rgba(248,244,236,.6); font-size: 12px; }
        .footer-links a:hover { color: var(--accent-light); }

        /* Responsive */
        @media (max-width: 1199px) {
            .page-hero-grid { grid-template-columns: 1fr; gap: 32px; }
            .page-hero-right img { height: 260px; }
            .subscribe-cta-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .timeline::before { left: 20px; transform: none; }
            .timeline-item { width: 100%; padding: 0 0 40px 52px; }
            .timeline-item:nth-child(even) { margin-left: 0; padding: 0 0 40px 52px; }
            .timeline-item::before { left: 12px; right: auto; }
            .timeline-item:nth-child(even)::before { left: 12px; }
            .timeline-item::after { left: 32px; right: auto; width: 20px; }
            .timeline-item:nth-child(even)::after { left: 32px; }
        }
        @media (max-width: 991px) {
            .container-site { padding-left: 32px; padding-right: 32px; }
            .brand-row { height: auto; padding: 12px 0; flex-wrap: wrap; }
            .hamburger-btn { display: flex; }
            .channel-row { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-alt); height: auto; padding: 12px 0; box-shadow: 0 8px 24px rgba(0,0,0,.1); border-bottom: 1px solid var(--border-light); }
            .channel-row.open { display: flex; }
            .channel-nav { flex-direction: column; gap: 0; height: auto; overflow-y: auto; max-height: 70vh; }
            .channel-nav a { width: 100%; padding: 10px 24px; height: auto; border-bottom: 1px solid var(--border-lighter); }
            .channel-nav a.active { border-bottom: 1px solid var(--border-lighter); background: rgba(14,59,46,0.05); border-left: 3px solid var(--primary); }
            .channel-nav a:last-child { border-bottom: none; }
            .btn-header-cta { display: none; }
            .page-hero { padding-top: 40px; padding-bottom: 36px; }
            .page-hero-left h1 { font-size: 26px; }
            .section-heading h2 { font-size: 22px; }
            .subscribe-form .btn-site-primary { align-self: stretch; }
        }
        @media (max-width: 767px) {
            .container-site { padding-left: 20px; padding-right: 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
            .subscribe-input-row { flex-direction: column; }
            .subscribe-input-row input { width: 100%; }
            .subscribe-form .btn-site-primary { width: 100%; }
            .brand-right .brand-search-icon { width: 36px; height: 36px; font-size: 13px; }
            .timeline-card { padding: 16px; }
        }
        @media (max-width: 575px) {
            .container-site { padding-left: 16px; padding-right: 16px; }
            .page-hero-left h1 { font-size: 22px; }
            .page-hero-left .hero-desc { font-size: 14px; }
            .section-heading h2 { font-size: 20px; }
            .timeline-item { padding-left: 40px; }
            .timeline-item:nth-child(even) { padding-left: 40px; }
            .timeline::before { left: 14px; }
            .timeline-item::before { left: 6px; width: 12px; height: 12px; }
            .timeline-item::after { left: 20px; width: 14px; }
        }

/* roulang page: category4 */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

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

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

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

        .text-mid {
            color: var(--text-mid);
        }

        .text-light {
            color: var(--text-light);
        }

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

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        @media (max-width: 991.98px) {
            .container-site {
                padding-left: 36px;
                padding-right: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 575.98px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }

        .bg-dark-green {
            background-color: var(--primary-dark);
        }

        .bg-dark-green .text-mid {
            color: rgba(248, 244, 236, 0.6);
        }

        .btn-site-primary {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-site-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.25);
        }

        .btn-site-primary:active {
            transform: translateY(1px);
        }

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

        .btn-site-outline {
            display: inline-block;
            padding: 12px 24px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }

        .btn-site-outline:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }

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

        .btn-site-link {
            display: inline-block;
            padding: 6px 14px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
        }

        .btn-site-link:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #F8F4EC;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background-color: var(--bg-alt);
            color: var(--primary);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 13.5px;
            font-weight: 600;
            line-height: 1.4;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), color var(--transition-mid), box-shadow var(--transition-fast);
        }

        .btn-download:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.2);
        }

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

        .badge-site {
            display: inline-block;
            padding: 4px 10px;
            background-color: var(--bg-alt);
            color: var(--primary);
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            border: 1px solid var(--border-light);
        }

        .badge-accent {
            display: inline-block;
            padding: 4px 10px;
            background-color: rgba(185, 138, 47, 0.1);
            color: var(--accent);
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
            border: 1px solid rgba(185, 138, 47, 0.3);
        }

        .card-resource {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: box-shadow var(--transition-mid), border-color var(--transition-mid), transform var(--transition-fast);
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .card-resource:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent);
            transform: translateY(-3px);
        }

        .card-resource::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--accent);
            opacity: 0;
            transition: opacity var(--transition-mid);
        }

        .card-resource:hover::before {
            opacity: 1;
        }

        .resource-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background-color: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 16px;
            flex-shrink: 0;
            transition: background-color var(--transition-mid), color var(--transition-mid);
        }

        .card-resource:hover .resource-icon {
            background-color: var(--primary);
            color: #F8F4EC;
        }

        .resource-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .resource-desc {
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 18px;
            flex-grow: 1;
        }

        .resource-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 16px;
        }

        .resource-meta i {
            color: var(--accent);
            font-size: 12px;
        }

        .header-search-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-top: 24px;
        }

        .header-search-row .search-input-group {
            flex: 1;
            min-width: 260px;
            position: relative;
        }

        .header-search-row .search-input-group input {
            width: 100%;
            padding: 12px 40px 12px 16px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 15px;
            color: var(--text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .header-search-row .search-input-group input::placeholder {
            color: var(--text-light);
        }

        .header-search-row .search-input-group input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 59, 46, 0.12);
        }

        .header-search-row .search-input-group .search-icon-btn {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            border: none;
            color: var(--text-mid);
            font-size: 16px;
            padding: 6px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .header-search-row .search-input-group .search-icon-btn:hover {
            color: var(--accent);
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-mid);
            cursor: pointer;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .filter-chip:hover {
            background-color: var(--bg-alt);
            border-color: var(--accent);
            color: var(--primary);
        }

        .filter-chip.active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #F8F4EC;
        }

        .pagination-site {
            display: flex;
            align-items: center;
            gap: 6px;
            justify-content: center;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .pagination-site .page-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-mid);
            cursor: pointer;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
            list-style: none;
            user-select: none;
        }

        .pagination-site .page-item:hover {
            border-color: var(--accent);
            color: var(--primary);
        }

        .pagination-site .page-item.active {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #F8F4EC;
        }

        .pagination-site .page-item.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        .resource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 991.98px) {
            .resource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .resource-grid {
                grid-template-columns: 1fr;
            }
        }

        .site-header {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 17px;
            color: var(--primary);
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

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

        .brand-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .brand-search-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            color: var(--text-mid);
            font-size: 15px;
            cursor: pointer;
            transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
        }

        .brand-search-icon:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: var(--bg-card);
        }

        .btn-header-cta {
            display: inline-block;
            padding: 10px 20px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), color var(--transition-mid);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 4px;
            width: 38px;
            height: 38px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }

        .hamburger-btn span {
            display: block;
            width: 18px;
            height: 2px;
            background-color: var(--text-main);
            border-radius: 1px;
            transition: background-color var(--transition-fast);
        }

        .hamburger-btn:hover {
            border-color: var(--accent);
        }

        .channel-row {
            background-color: var(--bg-alt);
            border-top: 1px solid var(--border-lighter);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 46px;
            overflow-x: auto;
            overflow-y: hidden;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }

        .channel-nav::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav::-webkit-scrollbar-thumb {
            background-color: var(--border-light);
            border-radius: 3px;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            height: 100%;
            font-size: 13.5px;
            color: var(--text-main);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast);
            padding: 0 2px;
            border-bottom: 2px solid transparent;
        }

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

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
        }

        .mobile-drawer {
            display: none;
            background-color: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 0;
        }

        .mobile-drawer .channel-item {
            display: block;
            padding: 12px 0;
            font-size: 15px;
            color: var(--text-main);
            border-bottom: 1px solid var(--border-lighter);
            transition: color var(--transition-fast);
        }

        .mobile-drawer .channel-item:hover {
            color: var(--accent);
        }

        .mobile-drawer .channel-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        @media (max-width: 991.98px) {
            .channel-row {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .btn-header-cta {
                display: none;
            }
            .mobile-drawer.show {
                display: block;
            }
        }

        .category-hero {
            background-color: var(--bg-main);
            padding: 48px 0 32px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background-color: rgba(185, 138, 47, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container-site {
            position: relative;
            z-index: 1;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 18px;
        }

        .hero-breadcrumb a {
            color: var(--text-mid);
            transition: color var(--transition-fast);
        }

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

        .hero-breadcrumb i {
            font-size: 11px;
            color: var(--text-light);
        }

        .hero-content-wrap {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-mid);
            line-height: 1.85;
            max-width: 720px;
            margin-bottom: 8px;
        }

        .category-banner-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-hero);
            margin-top: 24px;
            border: 1px solid var(--border-light);
        }

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

        .section-header .section-tag {
            display: inline-block;
            margin-bottom: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.5px;
        }

        .section-header .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--text-mid);
            line-height: 1.85;
            max-width: 680px;
        }

        .featured-resource-panel {
            display: flex;
            flex-wrap: wrap;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-hero);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .featured-resource-panel .featured-img {
            flex: 0 0 340px;
            max-width: 340px;
            min-height: 260px;
            object-fit: cover;
            border-radius: 0;
        }

        .featured-resource-panel .featured-content {
            flex: 1;
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 12px;
        }

        .featured-resource-panel .featured-badge {
            display: inline-block;
            padding: 4px 10px;
            background-color: rgba(185, 138, 47, 0.1);
            color: var(--accent);
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            align-self: flex-start;
        }

        .featured-resource-panel .featured-title {
            font-size: 21px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }

        .featured-resource-panel .featured-desc {
            font-size: 14.5px;
            color: var(--text-mid);
            line-height: 1.8;
        }

        @media (max-width: 767.98px) {
            .featured-resource-panel .featured-img {
                flex: 0 0 100%;
                max-width: 100%;
                min-height: 180px;
            }
            .featured-resource-panel .featured-content {
                padding: 20px 22px;
            }
        }

        .security-tip-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .security-tip-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            transition: box-shadow var(--transition-mid), border-color var(--transition-mid), transform var(--transition-fast);
        }

        .security-tip-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .security-tip-card .tip-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 10px;
            line-height: 1;
        }

        .security-tip-card .tip-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .security-tip-card .tip-desc {
            font-size: 13.5px;
            color: var(--text-mid);
            line-height: 1.75;
        }

        @media (max-width: 991.98px) {
            .security-tip-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .security-tip-list {
                grid-template-columns: 1fr;
            }
        }

        .download-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-hero);
            overflow: hidden;
        }

        .download-step {
            flex: 1;
            min-width: 220px;
            padding: 28px 24px;
            border-right: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: background-color var(--transition-mid);
        }

        .download-step:last-child {
            border-right: none;
        }

        .download-step:hover {
            background-color: var(--bg-alt);
        }

        .download-step .step-num {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 50%;
            font-size: 14px;
            font-weight: 700;
        }

        .download-step .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
        }

        .download-step .step-desc {
            font-size: 13.5px;
            color: var(--text-mid);
            line-height: 1.75;
        }

        @media (max-width: 767.98px) {
            .download-step {
                flex: 1 1 100%;
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }
            .download-step:last-child {
                border-bottom: none;
            }
        }

        .faq-accordion .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background-color: var(--bg-card);
            color: var(--primary);
            border-bottom: 1px solid var(--border-light);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(14, 59, 46, 0.1);
            border: none;
        }

        .faq-accordion .accordion-button::after {
            background-size: 14px;
            color: var(--text-mid);
            transition: transform var(--transition-mid);
        }

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

        .faq-accordion .accordion-body {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-mid);
            line-height: 1.8;
            background-color: var(--bg-card);
        }

        .cta-banner {
            background-color: var(--primary-dark);
            border-radius: var(--radius-hero);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 280px;
            height: 280px;
            background-color: rgba(185, 138, 47, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -60px;
            width: 300px;
            height: 300px;
            background-color: rgba(185, 138, 47, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .cta-banner .cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #F8F4EC;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .cta-banner .cta-desc {
            font-size: 15px;
            color: rgba(248, 244, 236, 0.7);
            line-height: 1.85;
            max-width: 560px;
            margin: 0 auto 24px;
        }

        .cta-banner .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .cta-banner .btn-site-primary {
            background-color: var(--accent);
            border-color: var(--accent);
        }

        .cta-banner .btn-site-primary:hover {
            background-color: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
        }

        .cta-banner .btn-site-outline {
            color: #F8F4EC;
            border-color: rgba(248, 244, 236, 0.4);
        }

        .cta-banner .btn-site-outline:hover {
            background-color: #F8F4EC;
            color: var(--primary-dark);
            border-color: #F8F4EC;
        }

        @media (max-width: 575.98px) {
            .cta-banner {
                padding: 32px 22px;
            }
            .cta-banner .cta-title {
                font-size: 21px;
            }
        }

        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.75);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand .brand-logo {
            color: #F8F4EC;
            margin-bottom: 14px;
        }

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

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(248, 244, 236, 0.6);
            margin-bottom: 0;
            max-width: 280px;
        }

        .footer-col h5 {
            color: #F8F4EC;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(248, 244, 236, 0.6);
            font-size: 13.5px;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(248, 244, 236, 0.18);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 24px;
            font-size: 12px;
            color: rgba(248, 244, 236, 0.45);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-left: auto;
        }

        .footer-links a {
            color: rgba(248, 244, 236, 0.55);
            font-size: 12px;
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-links {
                margin-left: 0;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        .hidden-resource {
            display: none !important;
        }

        .no-result-message {
            text-align: center;
            padding: 40px 20px;
            font-size: 15px;
            color: var(--text-mid);
            background-color: var(--bg-card);
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-card);
        }

/* roulang page: category6 */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

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

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

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

        .text-mid {
            color: var(--text-mid);
        }

        .text-light {
            color: var(--text-light);
        }

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

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        @media (max-width: 991.98px) {
            .container-site {
                padding-left: 36px;
                padding-right: 36px;
            }
        }

        @media (max-width: 767.98px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 575.98px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        @media (max-width: 767.98px) {
            .section-pad {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
        }

        .bg-dark-green .text-mid {
            color: rgba(248, 244, 236, 0.6);
        }

        .btn-site-primary {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-site-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.25);
        }

        .btn-site-primary:active {
            transform: translateY(1px);
        }

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

        .btn-site-outline {
            display: inline-block;
            padding: 12px 24px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }

        .btn-site-outline:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }

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

        .btn-site-link {
            display: inline-block;
            padding: 6px 14px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 500;
            line-height: 1.4;
            transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
        }

        .btn-site-link:hover {
            background-color: var(--accent);
            border-color: var(--accent);
            color: #F8F4EC;
        }

        /* 导航样式 */
        .site-header {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1030;
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background-color: var(--primary);
            color: #F8F4EC;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-search-icon {
            width: 38px;
            height: 38px;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            background: transparent;
            color: var(--text-mid);
            font-size: 15px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .brand-search-icon:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .btn-header-cta {
            display: inline-block;
            padding: 8px 18px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 6px;
            font-size: 13.5px;
            font-weight: 600;
            border: 1px solid var(--primary);
            transition: all var(--transition-fast);
        }

        .btn-header-cta:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            background: transparent;
            cursor: pointer;
        }

        .hamburger-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .channel-row {
            background-color: var(--bg-alt);
            min-height: 46px;
            display: flex;
            align-items: center;
            border-top: 1px solid var(--border-lighter);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .channel-nav a {
            font-size: 13.5px;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        @media (max-width: 991.98px) {
            .hamburger-btn {
                display: flex;
            }
            .channel-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 10px 0;
                background-color: var(--bg-alt);
                width: 100%;
                border-radius: 0 0 10px 10px;
            }
            .channel-nav.open {
                display: flex;
            }
            .channel-nav a {
                padding: 10px 16px;
                border-bottom: 1px solid var(--border-lighter);
                font-size: 15px;
            }
            .channel-nav a:last-child {
                border-bottom: none;
            }
            .channel-nav a.active::after {
                display: none;
            }
            .channel-nav a.active {
                background-color: rgba(14, 59, 46, 0.05);
            }
            .brand-search-icon {
                display: none;
            }
            .btn-header-cta {
                display: none;
            }
        }

        /* 页面头样式 */
        .page-header {
            background-color: var(--bg-alt);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb-site {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb-site a {
            color: var(--text-mid);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-site .sep {
            color: var(--text-light);
        }

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

        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .page-header p.lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-mid);
            max-width: 760px;
            margin-bottom: 24px;
        }

        .search-box {
            display: flex;
            gap: 10px;
            max-width: 560px;
        }

        .search-box input {
            flex: 1;
            padding: 10px 16px;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            background-color: var(--bg-card);
            font-size: 14.5px;
            color: var(--text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 59, 46, 0.12);
        }

        .search-box button {
            padding: 10px 20px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 6px;
            font-weight: 600;
            font-size: 14.5px;
            cursor: pointer;
            transition: all var(--transition-mid);
            white-space: nowrap;
        }

        .search-box button:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
        }

        @media (max-width: 575.98px) {
            .page-header h1 {
                font-size: 26px;
            }
            .page-header p.lead {
                font-size: 15px;
            }
            .search-box {
                flex-direction: column;
            }
            .search-box button {
                width: 100%;
            }
        }

        /* 知识索引卡片 */
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 991.98px) {
            .knowledge-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .knowledge-grid {
                grid-template-columns: 1fr;
            }
        }

        .knowledge-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all var(--transition-mid);
            display: flex;
            flex-direction: column;
            min-height: 180px;
        }

        .knowledge-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .knowledge-card .k-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: rgba(14, 59, 46, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .knowledge-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .knowledge-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-mid);
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .knowledge-card .k-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

        .knowledge-card .k-link i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .knowledge-card .k-link:hover {
            color: var(--primary);
        }

        .knowledge-card .k-link:hover i {
            transform: translateX(3px);
        }

        /* 图文介绍 */
        .guide-media {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 991.98px) {
            .guide-media {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .guide-media img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: var(--radius-hero);
        }

        .guide-media .content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .guide-media .content p {
            font-size: 15.5px;
            line-height: 1.85;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .guide-media .content ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .guide-media .content ul li {
            padding-left: 24px;
            position: relative;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-mid);
            margin-bottom: 10px;
        }

        .guide-media .content ul li::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--accent);
            font-size: 14px;
        }

        /* 最新文章列表 */
        .latest-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .latest-item {
            display: flex;
            gap: 16px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            transition: all var(--transition-mid);
        }

        .latest-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        .latest-item .thumb {
            width: 100px;
            height: 70px;
            border-radius: 6px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .latest-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 6px;
        }

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

        .latest-item .info .meta {
            font-size: 12.5px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 4px;
        }

        .latest-item .info .meta .tag {
            background-color: rgba(185, 138, 47, 0.12);
            color: var(--accent);
            font-size: 11.5px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .latest-item .info h4 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .latest-item .info h4 a {
            color: var(--text-main);
            transition: color var(--transition-fast);
        }

        .latest-item .info h4 a:hover {
            color: var(--accent);
        }

        .latest-item .info p {
            font-size: 13.5px;
            line-height: 1.6;
            color: var(--text-mid);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 575.98px) {
            .latest-item {
                flex-direction: column;
            }
            .latest-item .thumb {
                width: 100%;
                height: 140px;
            }
        }

        /* 折叠式扩展阅读 */
        .accordion-custom .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-custom .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15.5px;
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background-color: var(--bg-card);
            color: var(--primary);
            font-weight: 700;
            border-bottom: 1px solid var(--border-lighter);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(14, 59, 46, 0.12);
            border-color: var(--primary);
        }

        .accordion-custom .accordion-button::after {
            width: 16px;
            height: 16px;
            background-size: 16px;
            transition: transform var(--transition-mid);
        }

        .accordion-custom .accordion-body {
            padding: 18px 20px;
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-mid);
            background-color: var(--bg-card);
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
        }

        .faq-accordion .accordion-button {
            background-color: var(--bg-card);
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 18px;
            border: none;
            box-shadow: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background-color: var(--bg-card);
            color: var(--primary);
            font-weight: 700;
            border-bottom: 1px solid var(--border-lighter);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(14, 59, 46, 0.12);
            border-color: var(--primary);
        }

        .faq-accordion .accordion-body {
            padding: 16px 18px;
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-mid);
            background-color: var(--bg-card);
        }

        /* CTA */
        .cta-section {
            background-color: var(--primary-dark);
            padding: 64px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #F8F4EC;
            line-height: 1.4;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 15.5px;
            color: rgba(248, 244, 236, 0.75);
            line-height: 1.8;
            max-width: 640px;
            margin: 0 auto 28px;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-section .btn-site-primary {
            background-color: var(--accent);
            border-color: var(--accent);
            color: #1F221F;
        }

        .cta-section .btn-site-primary:hover {
            background-color: var(--accent-light);
            border-color: var(--accent-light);
            color: #1F221F;
        }

        .cta-section .btn-site-outline {
            background-color: transparent;
            color: #F8F4EC;
            border-color: rgba(248, 244, 236, 0.5);
        }

        .cta-section .btn-site-outline:hover {
            background-color: #F8F4EC;
            color: var(--primary);
            border-color: #F8F4EC;
        }

        @media (max-width: 575.98px) {
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section .btn-group {
                flex-direction: column;
                width: 100%;
                max-width: 320px;
                margin: 0 auto;
            }
            .cta-section .btn-group .btn-site-primary,
            .cta-section .btn-group .btn-site-outline {
                width: 100%;
                display: block;
            }
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--primary-dark);
            padding-top: 48px;
            padding-bottom: 20px;
            color: rgba(248, 244, 236, 0.75);
        }

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

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-brand .brand-logo {
            color: #F8F4EC;
            font-size: 16px;
            margin-bottom: 12px;
        }

        .footer-brand .brand-logo .logo-mark {
            background-color: var(--accent);
            color: #1F221F;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(248, 244, 236, 0.6);
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #F8F4EC;
            margin-bottom: 14px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(248, 244, 236, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(248, 244, 236, 0.18);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 12px;
            color: rgba(248, 244, 236, 0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            font-size: 12px;
            color: rgba(248, 244, 236, 0.5);
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 575.98px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category7 */
:root {
            --bs-primary: #0E3B2E;
            --bs-link-color: #B98A2F;
            --bs-body-bg: #F8F4EC;
            --primary: #0E3B2E;
            --primary-dark: #0A2B20;
            --accent: #B98A2F;
            --accent-light: #D4B36A;
            --bg-main: #F8F4EC;
            --bg-alt: #EDF1EC;
            --bg-card: #FDFBF7;
            --text-main: #1F221F;
            --text-mid: #5D625C;
            --text-light: #8A908A;
            --border-light: #D8DCD5;
            --border-lighter: #E8ECE5;
            --radius-card: 10px;
            --radius-badge: 6px;
            --radius-hero: 14px;
            --shadow-card: 0 2px 8px rgba(14, 59, 46, 0.06);
            --shadow-card-hover: 0 8px 20px rgba(14, 59, 46, 0.14);
            --shadow-card-lg: 0 4px 16px rgba(14, 59, 46, 0.10);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-padding-y: 72px;
            --section-padding-y-mobile: 42px;
            --container-max: 1200px;
            --transition-fast: 0.18s ease;
            --transition-mid: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 15.5px;
            line-height: 1.85;
            font-weight: 400;
            color: var(--text-main);
            background-color: var(--bg-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }

        * {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-card);
        }

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

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

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

        .text-mid {
            color: var(--text-mid);
        }

        .text-light {
            color: var(--text-light);
        }

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

        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        .section-pad {
            padding-top: var(--section-padding-y);
            padding-bottom: var(--section-padding-y);
        }

        .bg-dark-green {
            background-color: var(--primary-dark);
            color: #F8F4EC;
        }

        .bg-dark-green .text-mid {
            color: rgba(248, 244, 236, 0.6);
        }

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

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

        .btn-site-primary {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), border-color var(--transition-mid), box-shadow var(--transition-mid), transform var(--transition-fast);
            white-space: nowrap;
        }

        .btn-site-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--accent);
            color: #F8F4EC;
            box-shadow: 0 4px 12px rgba(14, 59, 46, 0.25);
        }

        .btn-site-primary:active {
            transform: translateY(1px);
        }

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

        .btn-site-outline {
            display: inline-block;
            padding: 12px 24px;
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            text-align: center;
            transition: background-color var(--transition-mid), color var(--transition-mid), border-color var(--transition-mid);
            white-space: nowrap;
        }

        .btn-site-outline:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }

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

        .btn-site-link {
            display: inline-block;
            padding: 6px 14px;
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-site-link:hover {
            color: #F8F4EC;
            background-color: var(--primary);
            border-color: var(--primary);
        }

        .btn-header-cta {
            display: inline-block;
            padding: 8px 16px;
            background-color: var(--primary);
            color: #F8F4EC;
            border: none;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-header-cta:hover {
            background-color: var(--accent);
            color: #F8F4EC;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background-color: var(--bg-main);
            box-shadow: 0 2px 8px rgba(14, 59, 46, 0.06);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            border-bottom: 1px solid var(--border-light);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background-color: var(--primary);
            color: #F8F4EC;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 700;
        }

        .brand-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-search-icon {
            background: none;
            border: none;
            color: var(--text-mid);
            font-size: 16px;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }

        .brand-search-icon:hover {
            color: var(--accent);
            background-color: var(--bg-alt);
        }

        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .hamburger-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-mid);
        }

        .channel-row {
            background-color: var(--bg-alt);
            height: 46px;
            display: flex;
            align-items: center;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-nav a {
            position: relative;
            display: inline-block;
            padding: 12px 0;
            font-size: 13.5px;
            color: var(--text-main);
            font-weight: 500;
            text-decoration: none;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .channel-nav a::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background-color: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-mid);
        }

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

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 700;
        }

        .channel-nav a.active::after {
            transform: scaleX(1);
        }

        .site-footer {
            background-color: var(--primary-dark);
            color: rgba(248, 244, 236, 0.75);
            padding-top: 48px;
            padding-bottom: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(248, 244, 236, 0.18);
        }

        .footer-brand .brand-logo {
            color: #F8F4EC;
            font-size: 18px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
            color: rgba(248, 244, 236, 0.65);
        }

        .footer-col h5 {
            color: #F8F4EC;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(248, 244, 236, 0.65);
            font-size: 14px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(248, 244, 236, 0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            color: rgba(248, 244, 236, 0.5);
            font-size: 12px;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .mobile-menu {
            display: none;
            background-color: var(--bg-alt);
            padding: 16px 0;
            border-top: 1px solid var(--border-light);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-main);
            text-decoration: none;
            border-bottom: 1px solid var(--border-lighter);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active {
            color: var(--accent);
            font-weight: 700;
        }

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

        .faq-category-sticky {
            position: sticky;
            top: 130px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
        }

        .faq-category-sticky h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--primary);
        }

        .faq-category-sticky ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .faq-category-sticky ul li {
            margin-bottom: 8px;
        }

        .faq-category-sticky ul li a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            color: var(--text-mid);
            border-radius: 6px;
            transition: all var(--transition-fast);
        }

        .faq-category-sticky ul li a:hover {
            background-color: var(--bg-alt);
            color: var(--primary);
        }

        .faq-category-sticky ul li a.active {
            background-color: var(--primary);
            color: #F8F4EC;
            font-weight: 600;
        }

        .faq-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid), border-color var(--transition-mid);
        }

        .faq-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-accordion-btn {
            width: 100%;
            background: none;
            border: none;
            padding: 0;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .faq-accordion-btn:hover {
            color: var(--accent);
        }

        .faq-accordion-btn .faq-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #F8F4EC;
            font-size: 14px;
            transition: transform var(--transition-mid), background-color var(--transition-fast);
        }

        .faq-accordion-btn[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background-color: var(--accent);
        }

        .faq-answer {
            display: none;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-lighter);
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--text-mid);
        }

        .faq-answer.open {
            display: block;
        }

        .faq-answer p {
            margin-bottom: 0;
        }

        .service-contact-card {
            background-color: var(--primary);
            border-radius: var(--radius-card);
            padding: 28px;
            color: #F8F4EC;
            box-shadow: var(--shadow-card-lg);
        }

        .service-contact-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #F8F4EC;
        }

        .service-contact-card p {
            color: rgba(248, 244, 236, 0.75);
            margin-bottom: 18px;
        }

        .service-contact-card .btn-site-outline {
            border-color: var(--accent);
            color: var(--accent-light);
            background-color: transparent;
        }

        .service-contact-card .btn-site-outline:hover {
            background-color: var(--accent);
            color: #F8F4EC;
            border-color: var(--accent);
        }

        .breadcrumb-service {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb-service a {
            color: var(--text-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-service .separator {
            color: var(--text-light);
        }

        .section-heading {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary);
            line-height: 1.4;
        }

        .section-subheading {
            font-size: 15.5px;
            color: var(--text-mid);
            margin-bottom: 28px;
            line-height: 1.85;
        }

        .search-box-service {
            display: flex;
            gap: 10px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .search-box-service input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            background-color: #F8F4EC;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box-service input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 59, 46, 0.12);
        }

        .search-box-service .btn-site-primary {
            padding: 12px 28px;
            white-space: nowrap;
        }

        .sticky-top-offset {
            top: 130px;
        }

        .back-to-top {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-mid);
        }

        .back-to-top:hover {
            background-color: var(--primary);
            color: #F8F4EC;
            border-color: var(--primary);
        }

        .faq-section-tag {
            display: inline-block;
            padding: 4px 12px;
            background-color: var(--accent);
            color: #F8F4EC;
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .faq-section-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }

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

        .support-stat-item {
            flex: 1;
            min-width: 140px;
            background-color: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: box-shadow var(--transition-mid);
        }

        .support-stat-item:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .support-stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .support-stat-label {
            font-size: 13px;
            color: var(--text-mid);
            margin-top: 6px;
        }

        @media (max-width: 1199.98px) {
            .container-site {
                padding-left: 36px;
                padding-right: 36px;
            }
        }

        @media (max-width: 991.98px) {
            .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
            .hamburger-btn {
                display: flex;
            }
            .brand-right .btn-header-cta {
                display: none;
            }
            .channel-row {
                display: none;
            }
            .mobile-menu.open {
                display: block;
            }
            .faq-category-sticky {
                position: static;
                margin-bottom: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .support-stat-item {
                min-width: 45%;
            }
        }

        @media (max-width: 575.98px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding-top: var(--section-padding-y-mobile);
                padding-bottom: var(--section-padding-y-mobile);
            }
            .section-heading {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-box-service {
                flex-direction: column;
            }
            .search-box-service .btn-site-primary {
                width: 100%;
            }
            .support-stat-item {
                min-width: 100%;
            }
            .faq-accordion-btn {
                font-size: 15px;
            }
        }