/* roulang page: index */
:root {
            --primary: #9A7B4F;
            --primary-dark: #7A5E3A;
            --primary-light: #C4A87E;
            --accent: #3E6B3C;
            --accent-light: #5C8C4E;
            --dark-bg: #1E1A15;
            --dark-light: #2B241C;
            --light-bg: #F9F6F1;
            --white: #FFFFFF;
            --text: #2B241C;
            --text-light: #7A7063;
            --border: #E8E0D4;
            --border-light: #F0EBE3;
            --radius-sm: 8px;
            --radius: 16px;
            --radius-lg: 28px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 14px 42px rgba(0, 0, 0, 0.14);
            --transition: all 0.3s ease;
            --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 120px;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--light-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(154, 123, 79, 0.12);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-tag i {
            font-size: 12px;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(154, 123, 79, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(154, 123, 79, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(154, 123, 79, 0.3);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--white);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--white);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-block {
            width: 100%;
        }

        .btn-play {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 14px 24px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--white);
            font-weight: 500;
            backdrop-filter: blur(8px);
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-play:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: rgba(255, 255, 255, 0.7);
        }

        .play-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: var(--transition);
        }

        .btn-play:hover .play-icon {
            background: var(--primary);
            transform: scale(1.05);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: var(--container-width);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-actions .btn {
            padding: 9px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--light-bg);
        }

        .channel-nav {
            border-top: 1px solid var(--border-light);
            background: var(--white);
        }

        .channel-nav-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .channel-nav ul {
            display: flex;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            padding: 6px 0;
        }

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

        .channel-nav a {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: var(--transition);
        }

        .channel-nav a:hover {
            background: var(--light-bg);
            color: var(--primary-dark);
        }

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

        /* Hero */
        .hero {
            position: relative;
            min-height: 660px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(25, 20, 15, 0.85) 0%, rgba(25, 20, 15, 0.55) 60%, rgba(25, 20, 15, 0.35) 100%);
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
            padding-top: 60px;
            padding-bottom: 60px;
            flex: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--white);
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(28px, 4.5vw, 44px);
            line-height: 1.25;
            color: var(--white);
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-side {
            display: flex;
            justify-content: center;
        }

        .hero-card {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px;
            width: 100%;
            max-width: 360px;
            box-shadow: var(--shadow-lg);
        }

        .hero-card-top {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .pulse-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #58c26d;
            box-shadow: 0 0 0 4px rgba(88, 194, 109, 0.3);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 4px rgba(88, 194, 109, 0.3);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(88, 194, 109, 0);
            }
            100% {
                box-shadow: 0 0 0 4px rgba(88, 194, 109, 0);
            }
        }

        .hero-card-body .mini-track {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .mini-track-item {
            padding: 8px 16px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            font-size: 13px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            cursor: pointer;
            transition: var(--transition);
        }

        .mini-track-item.active {
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        .hero-card-note {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            margin-bottom: 20px;
        }

        .hero-card .btn {
            width: 100%;
        }

        .hero-stats-bar {
            position: relative;
            z-index: 2;
            background: rgba(0, 0, 0, 0.25);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
        }

        .hero-stats-bar .container {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }

        .stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
            min-width: 140px;
        }

        .stat-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .stat-divider {
            width: 1px;
            background: rgba(255, 255, 255, 0.2);
        }

        /* Features */
        .features-section {
            padding: 90px 0;
            background: var(--light-bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            background: rgba(154, 123, 79, 0.12);
            color: var(--primary);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: var(--white);
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Topics */
        .topics-section {
            background: var(--white);
            padding: 90px 0;
            border-top: 1px solid var(--border-light);
        }

        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            max-width: 900px;
            margin: 0 auto;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: 100px;
            border: 1px solid var(--border);
            background: var(--light-bg);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            cursor: pointer;
        }

        .topic-tag:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(154, 123, 79, 0.3);
        }

        .topic-tag i {
            font-size: 14px;
            color: var(--primary);
        }

        .topic-tag:hover i {
            color: var(--white);
        }

        /* Track Section */
        .track-section {
            background: var(--light-bg);
            padding: 90px 0;
        }

        .horizontal-track {
            display: flex;
            gap: 24px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 20px;
            margin: 0 -24px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .track-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .track-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }

        .track-card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .track-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: white;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
        }

        .track-card-body {
            padding: 20px;
        }

        .track-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .track-card-body p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .track-card-meta {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .track-card-meta span {
            font-size: 12px;
            background: var(--light-bg);
            padding: 4px 10px;
            border-radius: 100px;
            color: var(--text-light);
        }

        /* Delivery Section */
        .delivery-section {
            background: var(--white);
            padding: 90px 0;
        }

        .delivery-filter {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .filter-btn {
            padding: 8px 20px;
            border-radius: 100px;
            border: 1px solid var(--border);
            background: var(--light-bg);
            font-size: 14px;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .filter-btn.active,
        .filter-btn:hover {
            background: var(--accent);
            color: white;
            border-color: var(--accent);
        }

        .delivery-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .delivery-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--white);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

        .delivery-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }

        .delivery-card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .delivery-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .delivery-card-label {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: white;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
        }

        .delivery-card-body {
            padding: 20px;
        }

        .delivery-card-body h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .delivery-card-body p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .delivery-card-price {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .price {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        .delivery-card-price .btn {
            padding: 7px 14px;
            font-size: 13px;
        }

        /* Process */
        .process-section {
            background: var(--dark-bg);
            padding: 90px 0;
            color: var(--white);
        }

        .process-section .section-header h2 {
            color: var(--white);
        }

        .process-section .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--primary-light);
        }

        .process-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr auto 1fr;
            align-items: center;
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }

        .process-step {
            text-align: center;
            padding: 40px 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 16px;
        }

        .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .process-step h3 {
            font-size: 17px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .process-line {
            width: 40px;
            height: 2px;
            background: rgba(255, 255, 255, 0.2);
        }

        /* Testimonials */
        .testimonials-section {
            background: var(--light-bg);
            padding: 90px 0;
        }

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

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }

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

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 12px;
            left: 24px;
            font-size: 60px;
            color: rgba(154, 123, 79, 0.2);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testimonial-stars {
            color: #f0a500;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .testimonial-card blockquote {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            margin-bottom: 20px;
            font-style: normal;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .testimonial-author-name {
            font-weight: 600;
            font-size: 14px;
        }

        .testimonial-author-title {
            font-size: 12px;
            color: var(--text-light);
        }

        /* News */
        .news-section {
            background: var(--white);
            padding: 90px 0;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            display: block;
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 24px;
            background: var(--light-bg);
            transition: var(--transition);
        }

        .news-item:hover {
            background: var(--white);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .news-meta {
            display: flex;
            gap: 12px;
            align-items: center;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .news-cat {
            background: rgba(154, 123, 79, 0.12);
            color: var(--primary-dark);
            font-size: 12px;
            padding: 3px 12px;
            border-radius: 100px;
            font-weight: 600;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-light);
        }

        .news-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }

        .read-more i {
            transition: transform 0.3s;
        }

        .news-item:hover .read-more i {
            transform: translateX(4px);
        }

        .news-empty {
            padding: 40px;
            text-align: center;
            color: var(--text-light);
            background: var(--light-bg);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--light-bg);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border-light);
        }

        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tag {
            font-size: 13px;
            background: var(--white);
            padding: 6px 14px;
            border-radius: 100px;
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }

        .sidebar-tag:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
            transition: var(--transition);
        }

        .sidebar-link:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        /* FAQ */
        .faq-section {
            background: var(--light-bg);
            padding: 90px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            transition: var(--transition);
        }

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

        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 100px 0;
            text-align: center;
            color: var(--white);
            overflow: hidden;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            z-index: 0;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(30, 26, 21, 0.9), rgba(60, 50, 40, 0.7));
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(28px, 4vw, 40px);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-contact-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .cta-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 12px 22px;
            border-radius: 100px;
            backdrop-filter: blur(8px);
            font-size: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 6px;
        }

        .social-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .social-btn:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-side {
                justify-content: flex-start;
            }

            .hero-card {
                max-width: 100%;
            }

            .hero-stats-bar .container {
                justify-content: center;
            }

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

            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
                max-width: 480px;
            }

            .process-line {
                width: 2px;
                height: 30px;
                margin: 0 auto;
            }

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

        @media (max-width: 768px) {
            .header-brand-row {
                padding: 12px 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions .btn {
                display: none;
            }

            .channel-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border-light);
            }

            .channel-nav.open {
                display: block;
            }

            .channel-nav ul {
                flex-direction: column;
                padding: 8px 0;
            }

            .channel-nav a {
                display: block;
                padding: 14px 24px;
                border-radius: 0;
                font-size: 15px;
            }

            .channel-nav a.active {
                background: var(--light-bg);
                color: var(--primary);
                font-weight: 600;
                border-left: 3px solid var(--primary);
            }

            .hero {
                min-height: auto;
            }

            .hero-container {
                padding-top: 48px;
                padding-bottom: 40px;
            }

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

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats-bar .container {
                flex-direction: column;
                gap: 16px;
            }

            .stat {
                flex-direction: row;
                align-items: baseline;
                justify-content: space-between;
            }

            .stat-divider {
                display: none;
            }

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

            .delivery-grid {
                grid-template-columns: 1fr;
            }

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

            .news-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

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

        @media (max-width: 520px) {
            .logo-text {
                font-size: 15px;
            }

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

            .container {
                padding: 0 16px;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .section-header p {
                font-size: 14px;
            }

            .track-card {
                flex: 0 0 260px;
            }

            .feature-card {
                padding: 24px;
            }

            .delivery-card-body {
                padding: 16px;
            }

            .testimonial-card {
                padding: 24px;
            }

            .sidebar-card {
                padding: 20px;
            }
        }

/* roulang page: article */
:root {
            --primary: #9A7B4F;
            --primary-dark: #7A5E3A;
            --primary-light: #C4A87E;
            --accent: #3E6B3C;
            --accent-light: #5C8C4E;
            --dark-bg: #1E1A15;
            --dark-light: #2B241C;
            --light-bg: #F9F6F1;
            --white: #FFFFFF;
            --text: #2B241C;
            --text-light: #7A7063;
            --border: #E8E0D4;
            --border-light: #F0EBE3;
            --radius-sm: 8px;
            --radius: 16px;
            --radius-lg: 28px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 14px 42px rgba(0, 0, 0, 0.14);
            --transition: all 0.3s ease;
            --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 120px;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--light-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(154, 123, 79, 0.12);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-tag i {
            font-size: 12px;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
            margin-top: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(154, 123, 79, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(154, 123, 79, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(154, 123, 79, 0.3);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--white);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--white);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .btn-block {
            width: 100%;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--white);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: var(--container-width);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 18px;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-actions .btn {
            padding: 9px 20px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--light-bg);
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: var(--border-light);
            color: var(--primary);
        }

        .channel-nav {
            border-top: 1px solid var(--border-light);
            background: var(--white);
        }

        .channel-nav-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .channel-nav ul {
            display: flex;
            list-style: none;
            overflow-x: auto;
            white-space: nowrap;
        }

        .channel-nav li {
            flex-shrink: 0;
        }

        .channel-nav a {
            display: block;
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }

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

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

        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.72);
            padding: 72px 0 0;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-top: 12px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 6px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 20px;
        }

        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact i {
            color: var(--primary-light);
            width: 16px;
            text-align: center;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .social-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            transition: var(--transition);
        }

        .social-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.38);
        }

        .article-hero {
            background: linear-gradient(rgba(30, 26, 21, 0.62), rgba(30, 26, 21, 0.78)), url('/assets/images/backpic/back-1.jpg') center / cover no-repeat;
            padding: 96px 0 80px;
            color: var(--white);
            text-align: center;
            position: relative;
        }

        .article-hero .container {
            max-width: 920px;
        }

        .article-category {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--white);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .article-hero h1 {
            font-size: clamp(30px, 4.5vw, 46px);
            font-weight: 700;
            line-height: 1.3;
            max-width: 860px;
            margin: 0 auto 20px;
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            flex-wrap: wrap;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--primary-light);
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 48px;
            padding: 56px 24px 80px;
            max-width: var(--container-width);
            margin: 0 auto;
            align-items: start;
        }

        .article-body {
            background: var(--white);
            border-radius: var(--radius);
            padding: 48px;
            box-shadow: var(--shadow);
            min-height: 320px;
        }

        .article-body h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin: 36px 0 16px;
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 21px;
            font-weight: 600;
            color: var(--text);
            margin: 28px 0 12px;
        }

        .article-body p {
            margin-bottom: 18px;
            line-height: 1.9;
            color: var(--text);
            font-size: 15px;
        }

        .article-body img {
            border-radius: var(--radius);
            margin: 24px 0;
        }

        .article-body blockquote {
            background: var(--light-bg);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 20px 24px;
            margin: 28px 0;
            font-style: italic;
            color: var(--text-light);
        }

        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 18px;
        }

        .article-body li {
            margin-bottom: 8px;
            line-height: 1.8;
        }

        .article-body strong {
            color: var(--text);
            font-weight: 600;
        }

        .pull-quote {
            position: relative;
            background: var(--light-bg);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius) var(--radius) 0;
            padding: 28px 32px 28px 36px;
            margin: 0 0 40px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.8;
            box-shadow: var(--shadow-sm);
        }

        .pull-quote i {
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 8px;
            display: block;
        }

        .not-found {
            text-align: center;
            padding: 80px 20px;
        }

        .not-found .not-found-icon {
            font-size: 56px;
            color: var(--primary-light);
            margin-bottom: 20px;
        }

        .not-found h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .not-found p {
            color: var(--text-light);
            margin-bottom: 28px;
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 140px;
        }

        .side-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

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

        .side-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }

        .side-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

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

        .side-card .side-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .side-card .side-link:hover {
            color: var(--primary);
            gap: 10px;
        }

        .side-contact {
            background: var(--dark-bg);
            border: none;
            text-align: center;
        }

        .side-contact h3 {
            color: #fff;
        }

        .side-contact p {
            color: rgba(255, 255, 255, 0.6);
        }

        .related-section {
            background: var(--dark-bg);
            padding: 80px 0;
        }

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

        .related-section .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        .related-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--primary-light);
        }

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

        .related-card {
            background: var(--dark-light);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(154, 123, 79, 0.4);
        }

        .related-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 24px;
        }

        .related-card-body h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .related-card-body p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.7;
        }

        .related-card-body .related-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 14px;
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 500;
        }

        .faq-section {
            padding: 80px 0;
        }

        .faq-grid {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            gap: 16px;
        }

        .faq-question i {
            color: var(--primary);
            transition: transform 0.35s ease;
            font-size: 16px;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 14.5px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 20px;
            max-height: 400px;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 120%);
            padding: 80px 0;
            text-align: center;
            color: var(--white);
        }

        .cta-section h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            max-width: 640px;
            margin: 0 auto 36px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 17px;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-buttons .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                padding: 40px 24px 60px;
            }

            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .side-card {
                flex: 1 1 calc(50% - 12px);
            }

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

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

        @media (max-width: 768px) {
            .header-brand-row {
                padding: 12px 18px;
            }

            .nav-toggle {
                display: flex;
            }

            .channel-nav {
                display: none;
            }

            .channel-nav.open {
                display: block;
                position: fixed;
                top: 65px;
                left: 0;
                right: 0;
                background: var(--white);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                border-top: 1px solid var(--border-light);
            }

            .channel-nav.open ul {
                flex-direction: column;
                padding: 8px 0;
                overflow: visible;
                white-space: normal;
            }

            .channel-nav.open a {
                padding: 14px 24px;
                border-bottom: 1px solid var(--border-light);
                border-left: 3px solid transparent;
            }

            .channel-nav.open a.active {
                border-left-color: var(--primary);
            }

            .article-hero {
                padding: 64px 0 56px;
            }

            .article-body {
                padding: 28px 24px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
        }

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

            .header-actions .btn {
                display: none;
            }

            .logo-text {
                font-size: 16px;
            }

            .article-layout {
                padding: 28px 16px 48px;
            }

            .article-body {
                padding: 20px 16px;
            }

            .pull-quote {
                padding: 20px 20px 20px 24px;
                font-size: 15px;
            }

            .side-card {
                flex: 1 1 100%;
            }

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

            .cta-section {
                padding: 60px 0;
            }

            .cta-buttons .btn {
                padding: 13px 24px;
                font-size: 14px;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
        }