/* roulang page: index */
:root {
            --primary: #1E3A34;
            --primary-dark: #162A25;
            --primary-deeper: #0F1F1B;
            --accent: #C89B5E;
            --accent-light: #D9A441;
            --accent-soft: #F0E4D2;
            --bg: #F6F3EF;
            --bg-warm: #FBF8F4;
            --text: #2C3E38;
            --text-strong: #1B2B26;
            --text-light: #5A6E66;
            --text-muted: #7A8E86;
            --border: #DCE5DE;
            --border-strong: #8FAE9B;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;
            --container-max: 1100px;
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-serif);
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.35;
            margin: 0 0 var(--spacing-md);
        }

        h1 {
            font-size: clamp(2rem, 4.5vw, 2.8rem);
            font-weight: 900;
            letter-spacing: -0.01em;
        }
        h2 {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 700;
            margin-bottom: var(--spacing-lg);
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.4rem);
            font-weight: 600;
        }
        p {
            margin: 0 0 var(--spacing-md);
            color: var(--text);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }

        section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }
        @media (max-width: 1024px) {
            section {
                padding: var(--spacing-2xl) 0;
            }
        }
        @media (max-width: 640px) {
            section {
                padding: var(--spacing-xl) 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            background: var(--accent-soft);
            border-radius: 99px;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            position: relative;
            padding-bottom: var(--spacing-md);
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: var(--spacing-xl);
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FBF8F4;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }
        .btn-block {
            display: block;
            width: 100%;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 99px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            background: rgba(30, 58, 52, 0.08);
            color: var(--primary);
            border: 1px solid rgba(30, 58, 52, 0.15);
        }
        .badge-accent {
            background: var(--accent-soft);
            color: var(--accent);
            border-color: rgba(200, 155, 94, 0.3);
        }
        .badge-light {
            background: rgba(251, 248, 244, 0.15);
            color: #FBF8F4;
            border-color: rgba(251, 248, 244, 0.3);
        }

        /* ===== Header / Navigation ===== */
        .header-main {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .header-main.scrolled {
            box-shadow: var(--shadow);
        }
        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) 0;
            gap: var(--spacing-lg);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: 0.03em;
            line-height: 1.2;
        }
        .logo-link:hover {
            color: var(--primary);
        }
        .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #FBF8F4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 700;
        }
        .brand-tools {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }
        .brand-tools a {
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 5px;
            transition: color var(--transition-fast);
        }
        .brand-tools a:hover {
            color: var(--accent);
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box input {
            width: 160px;
            padding: 7px 12px 7px 32px;
            border: 1px solid var(--border);
            border-radius: 99px;
            background: var(--bg-warm);
            font-size: 0.8rem;
            color: var(--text);
            transition: all var(--transition);
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--accent);
            width: 200px;
            box-shadow: 0 0 0 3px rgba(200, 155, 94, 0.15);
        }
        .search-box i {
            position: absolute;
            left: 12px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: rgba(30, 58, 52, 0.08);
        }
        .channel-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: 6px 0 var(--spacing-sm);
            border-top: 1px solid var(--border);
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }
        .channel-bar::-webkit-scrollbar {
            height: 3px;
        }
        .channel-bar::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 99px;
        }
        .channel-link {
            display: inline-block;
            padding: 8px 18px;
            border-radius: var(--radius);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            letter-spacing: 0.02em;
        }
        .channel-link:hover {
            color: var(--primary);
            background: rgba(30, 58, 52, 0.06);
            border-color: rgba(30, 58, 52, 0.08);
        }
        .channel-link.active {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .brand-tools a span {
                display: none;
            }
            .search-box input {
                width: 120px;
            }
            .search-box input:focus {
                width: 150px;
            }
        }
        @media (max-width: 768px) {
            .brand-bar {
                padding: var(--spacing-sm) 0;
            }
            .brand-tools {
                gap: var(--spacing-md);
            }
            .search-box {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .channel-bar {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: var(--spacing-sm) 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-slow), padding var(--transition-slow);
            }
            .channel-bar.open {
                display: flex;
                max-height: 400px;
                padding: var(--spacing-sm) 0;
            }
            .channel-link {
                display: block;
                width: 100%;
                text-align: left;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .channel-link.active {
                background: var(--primary);
                color: #FBF8F4;
            }
        }

        /* ===== Hero ===== */
        .hero {
            background: linear-gradient(160deg, var(--bg) 0%, var(--bg-warm) 40%, #EFEAE0 100%);
            min-height: 78vh;
            display: flex;
            align-items: center;
            padding: var(--spacing-4xl) 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(200, 155, 94, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -15%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(30, 58, 52, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-4xl);
            align-items: center;
        }
        .hero-content {
            padding-right: var(--spacing-xl);
        }
        .hero-badge-row {
            display: flex;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3rem);
            font-weight: 900;
            color: var(--primary-dark);
            margin-bottom: var(--spacing-md);
            line-height: 1.25;
            letter-spacing: 0.01em;
        }
        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-desc {
            font-size: 1.08rem;
            color: var(--text-light);
            line-height: 1.85;
            margin-bottom: var(--spacing-xl);
            max-width: 520px;
        }
        .hero-cta-row {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-xl);
        }
        .hero-data-row {
            display: flex;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--border);
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
        }
        .hero-data-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-data-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 380px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
        }
        .hero-visual-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 52, 0.75) 0%, rgba(22, 42, 37, 0.35) 60%, rgba(200, 155, 94, 0.25) 100%);
            display: flex;
            align-items: flex-end;
            justify-content: flex-start;
            padding: var(--spacing-xl);
        }
        .hero-visual-card {
            background: rgba(251, 248, 244, 0.95);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-xl);
            max-width: 320px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .hero-visual-card .label {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: var(--spacing-xs);
        }
        .hero-visual-card .number {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: var(--spacing-xs);
        }
        .hero-visual-card .trend {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        @media (max-width: 1024px) {
            .hero-grid {
                gap: var(--spacing-xl);
            }
            .hero-visual {
                min-height: 320px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                min-height: auto;
                padding: var(--spacing-2xl) 0;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .hero-content {
                padding-right: 0;
            }
            .hero-visual {
                min-height: 260px;
                order: -1;
            }
            .hero-data-row {
                gap: var(--spacing-lg);
            }
        }

        /* ===== Services ===== */
        .services-section {
            background: var(--bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
        }
        .service-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            display: flex;
            gap: var(--spacing-lg);
            align-items: flex-start;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .service-card-sm {
            padding: var(--spacing-lg);
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .service-icon {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: var(--radius-sm);
            background: rgba(30, 58, 52, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
        }
        .service-icon-accent {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .service-card h3 {
            font-size: 1.1rem;
            margin-bottom: var(--spacing-xs);
            color: var(--text-strong);
        }
        .service-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .service-card .link-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: var(--spacing-sm);
            transition: gap var(--transition-fast);
        }
        .service-card .link-more:hover {
            gap: 10px;
        }
        @media (max-width: 768px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .service-card {
                padding: var(--spacing-lg);
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--primary-dark);
            color: #FBF8F4;
            padding: var(--spacing-4xl) 0;
        }
        .stats-section .section-title {
            color: #FBF8F4;
        }
        .stats-section .section-title::after {
            background: var(--accent);
        }
        .stats-section .section-subtitle {
            color: rgba(251, 248, 244, 0.7);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
        }
        .stat-item {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-lg);
            background: rgba(251, 248, 244, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(251, 248, 244, 0.1);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(251, 248, 244, 0.1);
            transform: translateY(-2px);
        }
        .stat-num {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-light);
            line-height: 1.2;
            margin-bottom: var(--spacing-xs);
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(251, 248, 244, 0.75);
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .stat-item {
                padding: var(--spacing-lg);
            }
        }

        /* ===== Case Section ===== */
        .cases-section {
            background: var(--bg-warm);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-xl);
        }
        .case-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }
        .case-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border);
        }
        .case-body {
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .case-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-xs);
            font-family: var(--font-mono);
        }
        .case-card h3 {
            font-size: 1.1rem;
            margin-bottom: var(--spacing-sm);
            color: var(--text-strong);
        }
        .case-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.75;
            flex: 1;
            margin-bottom: var(--spacing-md);
        }
        @media (max-width: 768px) {
            .cases-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .case-img {
                height: 160px;
            }
        }

        /* ===== Plans ===== */
        .plans-section {
            background: var(--bg);
        }
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }
        .plan-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-xl);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            text-align: left;
            box-shadow: var(--shadow-sm);
        }
        .plan-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .plan-card.featured {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
        }
        .plan-card.featured h3,
        .plan-card.featured p {
            color: rgba(251, 248, 244, 0.9);
        }
        .plan-card h3 {
            font-size: 1.15rem;
            margin-bottom: var(--spacing-sm);
            color: var(--text-strong);
        }
        .plan-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.75;
            flex: 1;
            margin-bottom: var(--spacing-lg);
        }
        .plan-card .btn {
            align-self: flex-start;
        }
        @media (max-width: 1024px) {
            .plans-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
        }

        /* ===== Deep Content ===== */
        .deep-section {
            background: var(--bg-warm);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .deep-section.alt {
            background: #EFEAE4;
        }
        .deep-content {
            max-width: 760px;
        }
        .deep-content h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: var(--spacing-md);
        }
        .deep-content h4 {
            font-size: 1.05rem;
            color: var(--text-strong);
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
        }
        .deep-content p {
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--text);
            margin-bottom: var(--spacing-md);
        }
        .deep-content blockquote {
            border-left: 3px solid var(--accent);
            padding: var(--spacing-md) var(--spacing-lg);
            background: rgba(200, 155, 94, 0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-strong);
            font-style: italic;
            margin: var(--spacing-lg) 0;
        }
        .deep-content .first-letter::first-letter {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent);
            float: left;
            margin-right: 8px;
            line-height: 1;
            font-family: var(--font-serif);
        }

        /* ===== Brand Intro ===== */
        .brand-section {
            background: var(--bg);
        }
        .brand-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-4xl);
            align-items: center;
        }
        .brand-text p {
            font-size: 0.95rem;
            line-height: 1.9;
            color: var(--text);
            margin-bottom: var(--spacing-md);
        }
        .brand-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 280px;
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        @media (max-width: 768px) {
            .brand-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .brand-image {
                height: 200px;
                order: -1;
            }
        }

        /* ===== News Section ===== */
        .news-section {
            background: var(--bg-warm);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: grid;
            grid-template-columns: 80px 1fr 120px;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition-fast);
            align-items: start;
        }
        .news-item:first-child {
            border-top: 1px solid var(--border);
        }
        .news-item:hover {
            background: rgba(30, 58, 52, 0.02);
            padding-left: var(--spacing-sm);
        }
        .news-date {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--text-muted);
            padding-top: 4px;
            text-align: right;
        }
        .news-main h3 {
            font-size: 1rem;
            margin-bottom: var(--spacing-xs);
            color: var(--text-strong);
        }
        .news-main p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .news-action {
            text-align: right;
            padding-top: 4px;
        }
        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
                padding: var(--spacing-md) 0;
            }
            .news-date {
                text-align: left;
                font-size: 0.7rem;
            }
            .news-action {
                text-align: left;
            }
        }

        /* ===== Topics ===== */
        .topics-section {
            background: var(--bg);
        }
        .topics-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        .topic-tag {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 99px;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .topic-tag:hover {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .topic-tag.hot {
            background: var(--accent-soft);
            border-color: rgba(200, 155, 94, 0.4);
            color: var(--accent);
            font-weight: 600;
        }
        .topic-tag.hot:hover {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--primary-dark);
            color: #FBF8F4;
        }
        .steps-section .section-title {
            color: #FBF8F4;
        }
        .steps-section .section-title::after {
            background: var(--accent);
        }
        .steps-section .section-subtitle {
            color: rgba(251, 248, 244, 0.7);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
        }
        .step-item {
            padding: var(--spacing-xl) var(--spacing-lg);
            background: rgba(251, 248, 244, 0.05);
            border-radius: var(--radius);
            border: 1px solid rgba(251, 248, 244, 0.1);
            text-align: center;
            transition: all var(--transition);
        }
        .step-item:hover {
            background: rgba(251, 248, 244, 0.1);
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-md);
        }
        .step-item h3 {
            font-size: 1rem;
            color: #FBF8F4;
            margin-bottom: var(--spacing-xs);
        }
        .step-item p {
            font-size: 0.85rem;
            color: rgba(251, 248, 244, 0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
        }
        @media (max-width: 480px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tools Preview ===== */
        .tools-section {
            background: var(--bg-warm);
        }
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .tool-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .tool-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .tool-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: rgba(30, 58, 52, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin: 0 auto var(--spacing-md);
        }
        .tool-card h3 {
            font-size: 1rem;
            margin-bottom: var(--spacing-xs);
        }
        .tool-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }
        .tool-card .badge {
            font-size: 0.7rem;
        }
        @media (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-md);
            background: var(--bg-warm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-lg) var(--spacing-xl);
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-strong);
            user-select: none;
            transition: background var(--transition-fast);
            gap: var(--spacing-md);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }
        .faq-question:hover {
            background: rgba(30, 58, 52, 0.04);
        }
        .faq-icon {
            font-size: 1.1rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-xl);
            color: var(--text-light);
            font-size: 0.88rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 var(--spacing-xl) var(--spacing-lg);
        }
        @media (max-width: 640px) {
            .faq-question {
                padding: var(--spacing-md) var(--spacing-lg);
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 var(--spacing-lg);
            }
            .faq-item.open .faq-answer {
                padding: 0 var(--spacing-lg) var(--spacing-md);
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            color: #FBF8F4;
            padding: var(--spacing-5xl) 0;
            text-align: center;
        }
        .cta-inner {
            max-width: 580px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            color: #FBF8F4;
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: var(--spacing-md);
        }
        .cta-inner p {
            color: rgba(251, 248, 244, 0.75);
            font-size: 0.95rem;
            margin-bottom: var(--spacing-xl);
        }
        .subscribe-form {
            display: flex;
            gap: var(--spacing-sm);
            max-width: 440px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid rgba(251, 248, 244, 0.2);
            border-radius: var(--radius);
            background: rgba(251, 248, 244, 0.08);
            color: #FBF8F4;
            font-size: 0.9rem;
            font-family: var(--font-sans);
            transition: all var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(251, 248, 244, 0.4);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(251, 248, 244, 0.12);
            box-shadow: 0 0 0 3px rgba(200, 155, 94, 0.2);
        }
        .subscribe-form .btn {
            flex-shrink: 0;
        }
        @media (max-width: 640px) {
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form .btn {
                width: 100%;
            }
            .cta-section {
                padding: var(--spacing-3xl) 0;
            }
        }

        /* ===== Footer ===== */
        .footer-main {
            background: var(--primary-deeper);
            color: rgba(251, 248, 244, 0.7);
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }
        .footer-brand .logo-link {
            color: #FBF8F4;
            font-size: 1.3rem;
            margin-bottom: var(--spacing-md);
        }
        .footer-brand p {
            color: rgba(251, 248, 244, 0.55);
            font-size: 0.82rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            color: #FBF8F4;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
            font-family: var(--font-sans);
        }
        .footer-col a {
            display: block;
            color: rgba(251, 248, 244, 0.55);
            font-size: 0.82rem;
            margin-bottom: var(--spacing-xs);
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(251, 248, 244, 0.1);
            padding-top: var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            font-size: 0.78rem;
        }
        .footer-bottom p {
            margin-bottom: 0;
            color: rgba(251, 248, 244, 0.45);
            font-size: 0.78rem;
        }
        .footer-bottom a {
            color: rgba(251, 248, 244, 0.6);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer-links {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        .bg-cover {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            margin: -1px;
            padding: 0;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-accent {
            color: var(--accent);
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .text-center {
            text-align: center;
        }
        .text-left {
            text-align: left;
        }

/* roulang page: category2 */
:root {
            --primary: #1E3A34;
            --primary-dark: #162A25;
            --primary-deeper: #0F1F1B;
            --accent: #C89B5E;
            --accent-light: #D9A441;
            --accent-soft: #F0E4D2;
            --bg: #F6F3EF;
            --bg-warm: #FBF8F4;
            --text: #2C3E38;
            --text-strong: #1B2B26;
            --text-light: #5A6E66;
            --text-muted: #7A8E86;
            --border: #DCE5DE;
            --border-strong: #8FAE9B;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;
            --container-max: 1100px;
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

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

        section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            background: var(--accent-soft);
            border-radius: 99px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            position: relative;
            padding-bottom: var(--spacing-md);
        }

        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: var(--spacing-xl);
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FBF8F4;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

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

        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

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

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

        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        .badge {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 99px;
            background: rgba(30, 58, 52, 0.08);
            color: var(--primary);
            letter-spacing: 0.05em;
        }

        .badge-accent {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

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

        .card-body {
            padding: var(--spacing-lg);
        }

        .card-title {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius) var(--radius) 0 0;
        }

        .card-img-full {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: var(--radius);
        }

        /* Header */
        .header-main {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 900;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.06em;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #FBF8F4;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 900;
            font-family: var(--font-serif);
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .brand-tools a {
            font-size: 0.85rem;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color var(--transition-fast);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 99px;
            padding: 6px 14px;
            min-width: 160px;
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .search-box input {
            border: none;
            background: transparent;
            font-size: 0.85rem;
            color: var(--text);
            outline: none;
            width: 100%;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px;
        }

        .channel-bar {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: 0 0 var(--spacing-sm);
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: var(--spacing-sm);
        }

        .channel-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .channel-link:hover {
            color: var(--primary);
            background: rgba(30, 58, 52, 0.05);
        }

        .channel-link.active {
            background: var(--primary);
            color: #FBF8F4;
            font-weight: 600;
        }

        /* Hero */
        .hero-category {
            background: var(--primary-deeper);
            color: #FBF8F4;
            padding: var(--spacing-4xl) 0 var(--spacing-3xl);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

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

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

        .hero-category h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 2.6rem);
            font-weight: 900;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
            line-height: 1.3;
        }

        .hero-category .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(246, 243, 239, 0.82);
            line-height: 1.85;
            margin-bottom: var(--spacing-xl);
            max-width: 620px;
        }

        .hero-category .hero-actions {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .hero-category .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .hero-category .btn-outline-light {
            background: transparent;
            color: #FBF8F4;
            border-color: rgba(246, 243, 239, 0.5);
        }

        .hero-category .btn-outline-light:hover {
            background: rgba(246, 243, 239, 0.1);
            border-color: #FBF8F4;
            color: #FBF8F4;
        }

        .hero-meta {
            display: flex;
            gap: var(--spacing-lg);
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(246, 243, 239, 0.7);
        }

        .hero-meta-item i {
            color: var(--accent);
        }

        /* Feature Cards */
        .feature-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: rgba(30, 58, 52, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: var(--spacing-md);
        }

        .feature-card h3 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 0;
            flex-grow: 1;
        }

        /* Stat Bars */
        .stat-block {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl);
            color: #FBF8F4;
        }

        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: var(--spacing-xl);
        }

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

        .stat-number {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: rgba(246, 243, 239, 0.75);
            letter-spacing: 0.04em;
        }

        /* Process Steps */
        .process-step {
            display: flex;
            gap: var(--spacing-lg);
            align-items: flex-start;
            padding: var(--spacing-lg) 0;
            border-bottom: 1px solid var(--border);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #FBF8F4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1rem;
        }

        .step-content h3 {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 4px;
        }

        .step-content p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* Info Box */
        .info-box {
            background: var(--accent-soft);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius) var(--radius) 0;
            padding: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
        }

        .info-box p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--text);
            line-height: 1.75;
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-strong);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(30, 58, 52, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--primary);
            transition: transform var(--transition);
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--accent-soft);
            color: var(--accent);
        }

        .faq-answer {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.75;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA Section */
        .cta-section {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-3xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(200, 155, 94, 0.12);
            z-index: 0;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(246, 243, 239, 0.78);
            max-width: 520px;
            margin: 0 auto var(--spacing-xl);
            position: relative;
            z-index: 1;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: flex;
            gap: var(--spacing-sm);
            max-width: 420px;
            margin: 0 auto var(--spacing-lg);
            position: relative;
            z-index: 1;
        }

        .cta-form input {
            flex: 1;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 12px 16px;
            font-size: 0.9rem;
            background: #FBF8F4;
            color: var(--text);
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .cta-form input:focus {
            border-color: var(--accent);
        }

        .cta-form button {
            flex-shrink: 0;
        }

        /* Footer */
        .footer-main {
            background: var(--primary-deeper);
            color: rgba(246, 243, 239, 0.75);
            padding: var(--spacing-3xl) 0 var(--spacing-md);
            margin-top: var(--spacing-4xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand .logo-link {
            color: #FBF8F4;
            font-size: 1.15rem;
            margin-bottom: var(--spacing-md);
        }

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

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.75;
            color: rgba(246, 243, 239, 0.6);
            margin-top: var(--spacing-md);
        }

        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 0.95rem;
            font-weight: 700;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(246, 243, 239, 0.6);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(246, 243, 239, 0.1);
            padding-top: var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: rgba(246, 243, 239, 0.45);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }

        .footer-links a {
            color: rgba(246, 243, 239, 0.6);
            font-size: 0.8rem;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--spacing-md);
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: var(--spacing-2xl) 0;
            }

            .brand-tools .search-box {
                display: none;
            }

            .brand-tools a span {
                display: none;
            }

            .channel-bar {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: var(--spacing-sm) 0;
            }

            .channel-bar.open {
                display: flex;
            }

            .channel-link {
                text-align: left;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }

            .nav-toggle {
                display: block;
            }

            .hero-category {
                padding: var(--spacing-2xl) 0 var(--spacing-xl);
            }

            .hero-category h1 {
                font-size: 1.6rem;
            }

            .hero-category .hero-subtitle {
                font-size: 0.9rem;
            }

            .hero-meta {
                flex-direction: column;
                gap: var(--spacing-sm);
            }

            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-sm);
            }

            .cta-section {
                padding: var(--spacing-xl);
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input,
            .cta-form button {
                width: 100%;
            }
        }

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

            section {
                padding: var(--spacing-xl) 0;
            }

            .hero-category h1 {
                font-size: 1.35rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }

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

            .process-step {
                flex-direction: column;
                gap: var(--spacing-sm);
            }

            .faq-question {
                font-size: 0.85rem;
                padding: var(--spacing-sm) var(--spacing-md);
            }
        }

/* roulang page: category1 */
:root {
  --primary: #1E3A34;
  --primary-dark: #162A25;
  --primary-deeper: #0F1F1B;
  --accent: #C89B5E;
  --accent-light: #D9A441;
  --accent-soft: #F0E4D2;
  --bg: #F6F3EF;
  --bg-warm: #FBF8F4;
  --text: #2C3E38;
  --text-strong: #1B2B26;
  --text-light: #5A6E66;
  --text-muted: #7A8E86;
  --border: #DCE5DE;
  --border-strong: #8FAE9B;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 80px;
  --spacing-5xl: 100px;
  --container-max: 1100px;
  --transition-fast: 0.2s ease;
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border: 0;
}

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

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

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

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

section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
  padding: 4px 12px;
  background: var(--accent-soft);
  border-radius: 99px;
}

.section-title {
  font-size: clamp(1.5rem, 2.8vw, 2rem);
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-bottom: var(--spacing-md);
  font-family: var(--font-serif);
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.8;
  max-width: 680px;
  margin-bottom: var(--spacing-xl);
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--primary);
  color: #FBF8F4;
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #FBF8F4;
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

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

.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border-strong);
}

.btn-outline:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--primary-dark);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 1.05rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ========== Header / Navigation ========== */
.header-main {
  background: var(--bg-warm);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.brand-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
  gap: var(--spacing-md);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #FBF8F4;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
}

.brand-tools {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.brand-tools a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.search-box {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 6px 14px;
  transition: all var(--transition-fast);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(200, 155, 94, 0.15);
}

.search-box i {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.search-box input {
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text);
  outline: none;
  width: 130px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  color: var(--primary);
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.channel-bar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-bottom: var(--spacing-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

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

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

.channel-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: 1px solid transparent;
}

.channel-link:hover {
  color: var(--primary);
  background: var(--accent-soft);
}

.channel-link.active {
  color: #FBF8F4;
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
}

/* ========== Category Hero ========== */
.category-hero {
  background: var(--primary-dark);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  position: relative;
  overflow: hidden;
}

.category-hero::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200, 155, 94, 0.18) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.category-hero::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(217, 164, 65, 0.1) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

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

.category-hero-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--spacing-2xl);
  align-items: center;
}

.category-hero-text .section-label {
  background: rgba(200, 155, 94, 0.2);
  color: var(--accent-light);
}

.category-hero-text h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 900;
  color: #FBF8F4;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.category-hero-text .hero-subtitle {
  font-size: 1.05rem;
  color: rgba(251, 248, 244, 0.8);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
  max-width: 520px;
}

.category-hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

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

.category-hero-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.hero-stat-badge {
  position: absolute;
  bottom: 16px;
  left: 16px;
  background: rgba(15, 31, 27, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FBF8F4;
  padding: 12px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(200, 155, 94, 0.35);
  font-size: 0.85rem;
  line-height: 1.5;
}

.hero-stat-badge strong {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-light);
  display: block;
}

/* ========== Data Overview ========== */
.data-overview {
  background: var(--bg-warm);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.overview-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition);
}

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

.overview-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.overview-number em {
  font-style: normal;
  font-size: 0.9rem;
  color: var(--accent);
}

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

/* ========== Feature Analysis ========== */
.feature-section {
  background: var(--bg);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.feature-content h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: var(--spacing-md);
}

.feature-content p {
  color: var(--text-light);
  line-height: 1.85;
  margin-bottom: var(--spacing-md);
}

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

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

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.feature-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent-soft);
  color: var(--primary);
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1px solid rgba(200, 155, 94, 0.3);
}

/* ========== Analysis Dimensions ========== */
.dimension-section {
  background: var(--bg-warm);
}

.dimension-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.dimension-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.dimension-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  opacity: 0;
  transition: opacity var(--transition);
}

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

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

.dimension-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  border-radius: var(--radius);
  color: var(--primary);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-md);
}

.dimension-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: var(--spacing-sm);
}

.dimension-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: var(--spacing-md);
}

.dimension-card .dimension-stat {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

/* ========== Trend Timeline ========== */
.timeline-section {
  background: var(--primary-dark);
  padding: var(--spacing-4xl) 0;
}

.timeline-section .section-label {
  background: rgba(200, 155, 94, 0.2);
  color: var(--accent-light);
}

.timeline-section .section-title {
  color: #FBF8F4;
}

.timeline-section .section-title::after {
  background: var(--accent-light);
}

.timeline-section .section-subtitle {
  color: rgba(251, 248, 244, 0.7);
}

.timeline-flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.timeline-step {
  background: rgba(251, 248, 244, 0.06);
  border: 1px solid rgba(200, 155, 94, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition);
  position: relative;
}

.timeline-step:hover {
  background: rgba(251, 248, 244, 0.1);
  border-color: rgba(200, 155, 94, 0.45);
  transform: translateY(-2px);
}

.timeline-step-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-light);
  font-weight: 700;
  display: block;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.08em;
}

.timeline-step h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: #FBF8F4;
  margin-bottom: var(--spacing-sm);
}

.timeline-step p {
  font-size: 0.85rem;
  color: rgba(251, 248, 244, 0.7);
  line-height: 1.7;
}

/* ========== Deep Content ========== */
.deep-content {
  background: var(--bg-warm);
}

.deep-content-wrapper {
  max-width: 820px;
  margin: 0 auto;
}

.deep-content-wrapper h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: var(--spacing-md);
  line-height: 1.45;
}

.deep-content-wrapper p {
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: var(--spacing-lg);
  font-size: 0.98rem;
}

.deep-content-wrapper blockquote {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: var(--spacing-lg) 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-strong);
  font-style: italic;
  line-height: 1.8;
}

.deep-content-wrapper blockquote cite {
  display: block;
  margin-top: var(--spacing-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
  transition: all var(--transition);
}

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

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition: background var(--transition-fast);
}

.faq-question:hover {
  background: var(--accent-soft);
}

.faq-question h4 {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-strong);
  line-height: 1.5;
  margin: 0;
}

.faq-toggle {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--primary);
  font-size: 0.8rem;
  transition: all var(--transition);
  margin-left: var(--spacing-md);
}

.faq-item.active .faq-toggle {
  background: var(--primary);
  color: #FBF8F4;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease;
}

.faq-answer-inner {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ========== CTA Section ========== */
.cta-section {
  background: var(--primary);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(200, 155, 94, 0.15) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-2xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  color: #FBF8F4;
  margin-bottom: var(--spacing-sm);
}

.cta-content p {
  color: rgba(251, 248, 244, 0.75);
  font-size: 0.95rem;
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 0;
}

.cta-form {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.cta-form input {
  padding: 12px 20px;
  border: 1px solid rgba(251, 248, 244, 0.3);
  border-radius: var(--radius);
  background: rgba(251, 248, 244, 0.1);
  color: #FBF8F4;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
  min-width: 240px;
}

.cta-form input::placeholder {
  color: rgba(251, 248, 244, 0.5);
}

.cta-form input:focus {
  border-color: var(--accent-light);
  background: rgba(251, 248, 244, 0.15);
  box-shadow: 0 0 0 2px rgba(200, 155, 94, 0.25);
}

.cta-form .btn-accent {
  flex-shrink: 0;
}

/* ========== Footer ========== */
.footer-main {
  background: var(--primary-deeper);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  color: rgba(251, 248, 244, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo-link {
  color: #FBF8F4;
  margin-bottom: var(--spacing-md);
}

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

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

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(251, 248, 244, 0.55);
  margin-top: var(--spacing-sm);
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: #FBF8F4;
  margin-bottom: var(--spacing-md);
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(251, 248, 244, 0.6);
  text-decoration: none;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(251, 248, 244, 0.1);
  padding-top: var(--spacing-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  font-size: 0.78rem;
  color: rgba(251, 248, 244, 0.45);
}

.footer-bottom p {
  margin: 0;
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: rgba(251, 248, 244, 0.6);
  text-decoration: none;
  font-size: 0.78rem;
  transition: color var(--transition-fast);
}

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

.footer-links span {
  color: rgba(251, 248, 244, 0.3);
}

/* ========== Responsive Breakpoints ========== */
@media screen and (max-width: 1024px) {
  .category-hero-content {
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
  }

  .category-hero-image img {
    height: 240px;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--spacing-xl);
  }

  .cta-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .cta-form {
    flex-wrap: wrap;
  }

  .cta-form input {
    min-width: 100%;
  }
}

@media screen and (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  section {
    padding: var(--spacing-2xl) 0;
  }

  .brand-tools a span {
    display: none;
  }

  .search-box input {
    width: 80px;
  }

  .category-hero {
    padding: var(--spacing-2xl) 0;
  }

  .category-hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .category-hero-image {
    order: -1;
  }

  .category-hero-image img {
    height: 200px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .timeline-flow {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .cta-form {
    flex-direction: column;
  }

  .cta-form .btn-accent {
    width: 100%;
  }
}

@media screen and (max-width: 520px) {
  .brand-bar {
    flex-wrap: wrap;
  }

  .logo-link {
    font-size: 1.05rem;
  }

  .logo-mark {
    width: 30px;
    height: 30px;
    font-size: 0.9rem;
  }

  .search-box {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .channel-bar {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: var(--spacing-md);
  }

  .channel-bar.open {
    display: flex;
  }

  .channel-link {
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    border: 1px solid var(--border);
  }

  .channel-link.active {
    border-color: var(--primary);
  }

  .category-hero-text h1 {
    font-size: 1.6rem;
  }

  .category-hero-text .hero-subtitle {
    font-size: 0.9rem;
  }

  .category-hero-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

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

  .overview-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }

  .overview-number {
    font-size: 1.5rem;
  }

  .timeline-flow {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .deep-content-wrapper h3 {
    font-size: 1.25rem;
  }

  .faq-question {
    padding: var(--spacing-md);
  }

  .faq-question h4 {
    font-size: 0.88rem;
  }

  .cta-section {
    padding: var(--spacing-2xl) 0;
  }

  .cta-content h2 {
    font-size: 1.3rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Foundation overrides */
.foundation-mq-topbar {
  display: none !important;
}

button {
  font-family: var(--font-sans);
}

input {
  font-family: var(--font-sans);
}

::selection {
  background: var(--accent);
  color: var(--primary-dark);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* roulang page: category3 */
:root {
            --primary: #1E3A34;
            --primary-dark: #162A25;
            --primary-deeper: #0F1F1B;
            --accent: #C89B5E;
            --accent-light: #D9A441;
            --accent-soft: #F0E4D2;
            --bg: #F6F3EF;
            --bg-warm: #FBF8F4;
            --text: #2C3E38;
            --text-strong: #1B2B26;
            --text-light: #5A6E66;
            --text-muted: #7A8E86;
            --border: #DCE5DE;
            --border-strong: #8FAE9B;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;
            --container-max: 1100px;
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

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

        section {
            padding: var(--spacing-4xl) 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            background: var(--accent-soft);
            border-radius: 99px;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            position: relative;
            padding-bottom: var(--spacing-md);
            font-family: var(--font-serif);
            letter-spacing: 0.02em;
        }

        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-title.centered {
            text-align: center;
        }

        .section-title.centered::after {
            left: 50%;
            transform: translateX(-50%);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.85;
            max-width: 680px;
            margin-bottom: var(--spacing-2xl);
        }

        .section-subtitle.centered {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FBF8F4;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

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

        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

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

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

        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-block {
            display: block;
            width: 100%;
        }

        /* ============ HEADER ============ */
        .header-main {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) 0;
            gap: var(--spacing-md);
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: 0.06em;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #FBF8F4;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 700;
            font-family: var(--font-serif);
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .brand-tools a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .brand-tools a:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 99px;
            padding: 6px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 94, 0.15);
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--text);
            width: 140px;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.3rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--accent-soft);
        }

        .channel-bar {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: 0 0 var(--spacing-sm);
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }

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

        .channel-bar::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 99px;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: 99px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .channel-link:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }

        .channel-link.active {
            color: #FBF8F4;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ============ PAGE BANNER ============ */
        .page-banner {
            background: var(--primary-dark);
            color: #FBF8F4;
            padding: var(--spacing-3xl) 0;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(200, 155, 94, 0.18), transparent 60%),
                radial-gradient(ellipse at 80% 50%, rgba(143, 174, 155, 0.12), transparent 50%);
            pointer-events: none;
        }

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

        .page-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 99px;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.08em;
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
            line-height: 1.3;
        }

        .page-banner p {
            font-size: 1.05rem;
            color: rgba(251, 248, 244, 0.85);
            max-width: 650px;
            line-height: 1.85;
        }

        /* ============ STAT CARDS ============ */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-2xl);
        }

        .stat-card {
            background: rgba(251, 248, 244, 0.08);
            border: 1px solid rgba(251, 248, 244, 0.18);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            background: rgba(251, 248, 244, 0.14);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .stat-card .stat-value {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-light);
            line-height: 1.2;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: rgba(251, 248, 244, 0.7);
            margin-top: var(--spacing-xs);
        }

        /* ============ DATA CARDS ============ */
        .data-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .data-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .data-card .card-icon {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #FBF8F4;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            margin-bottom: var(--spacing-md);
        }

        .data-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-serif);
        }

        .data-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: var(--spacing-md);
        }

        .data-card .card-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .data-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            transition: all var(--transition-fast);
        }

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

        /* ============ FEATURE LAYOUT ============ */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-2xl);
            align-items: center;
            margin-bottom: var(--spacing-3xl);
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse>* {
            direction: ltr;
        }

        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            aspect-ratio: 4/3;
            position: relative;
        }

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

        .feature-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(22, 42, 37, 0.4));
            pointer-events: none;
        }

        .feature-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            font-family: var(--font-serif);
            line-height: 1.45;
        }

        .feature-content p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.85;
            margin-bottom: var(--spacing-md);
        }

        .feature-content ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .feature-content ul li {
            font-size: 0.82rem;
            color: var(--primary);
            background: var(--accent-soft);
            padding: 5px 14px;
            border-radius: 99px;
            font-weight: 500;
        }

        /* ============ DEEP CONTENT ============ */
        .deep-content {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
            position: relative;
        }

        .deep-content:last-child {
            margin-bottom: 0;
        }

        .deep-content .deep-header {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }

        .deep-content .deep-number {
            font-family: var(--font-mono);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.06em;
        }

        .deep-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-strong);
            font-family: var(--font-serif);
        }

        .deep-content p {
            font-size: 0.95rem;
            color: var(--text);
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }

        .deep-content p:last-child {
            margin-bottom: 0;
        }

        .deep-content blockquote {
            border-left: 3px solid var(--accent);
            background: var(--accent-soft);
            padding: var(--spacing-md) var(--spacing-lg);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: var(--spacing-md) 0;
            font-style: italic;
            color: var(--text-light);
            font-size: 0.92rem;
        }

        /* ============ HOT LIST ============ */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-xl);
        }

        .hot-item {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            transition: all var(--transition);
        }

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

        .hot-item .rank {
            font-family: var(--font-mono);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            min-width: 44px;
            text-align: center;
        }

        .hot-item .rank.rank-1 {
            color: var(--accent-light);
            font-size: 1.6rem;
        }

        .hot-item .hot-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-strong);
            margin-bottom: 2px;
        }

        .hot-item .hot-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            font-weight: 600;
            color: var(--text-strong);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            user-select: none;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }

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

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-item.active {
            border-color: var(--accent);
            background: var(--accent-soft);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-lg);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.8;
            margin: 0;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            background: var(--primary-deeper);
            color: #FBF8F4;
            padding: var(--spacing-4xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(200, 155, 94, 0.12), transparent 70%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
        }

        .cta-section p {
            font-size: 0.95rem;
            color: rgba(251, 248, 244, 0.75);
            line-height: 1.85;
            margin-bottom: var(--spacing-xl);
        }

        .cta-section .cta-form {
            display: flex;
            gap: var(--spacing-sm);
            max-width: 440px;
            margin: 0 auto;
        }

        .cta-section .cta-form input {
            flex: 1;
            padding: 14px 20px;
            border: 1px solid rgba(251, 248, 244, 0.2);
            border-radius: var(--radius);
            background: rgba(251, 248, 244, 0.08);
            color: #FBF8F4;
            font-family: var(--font-sans);
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-section .cta-form input::placeholder {
            color: rgba(251, 248, 244, 0.5);
        }

        .cta-section .cta-form input:focus {
            border-color: var(--accent);
            background: rgba(251, 248, 244, 0.14);
            box-shadow: 0 0 0 3px rgba(200, 155, 94, 0.2);
        }

        .cta-section .cta-form .btn {
            flex-shrink: 0;
        }

        .cta-section .cta-note {
            font-size: 0.78rem;
            color: rgba(251, 248, 244, 0.5);
            margin-top: var(--spacing-sm);
        }

        /* ============ FOOTER ============ */
        .footer-main {
            background: var(--primary-deeper);
            color: rgba(251, 248, 244, 0.75);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
            border-top: 3px solid var(--accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand .logo-link {
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
            font-size: 1.25rem;
        }

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

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(251, 248, 244, 0.6);
            line-height: 1.8;
            margin-top: var(--spacing-sm);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
            font-family: var(--font-serif);
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(251, 248, 244, 0.6);
            padding: 4px 0;
            transition: all var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(251, 248, 244, 0.12);
            padding-top: var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 0.78rem;
            color: rgba(251, 248, 244, 0.45);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .footer-links a {
            color: rgba(251, 248, 244, 0.6);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

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

        .footer-links span {
            color: rgba(251, 248, 244, 0.3);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .data-card-grid {
                grid-template-columns: 1fr;
            }

            .feature-row {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .feature-row.reverse {
                direction: ltr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-xl);
            }

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .brand-tools .search-box {
                display: none;
            }

            .brand-tools a span {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .channel-bar {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-sm) 0;
                gap: 2px;
            }

            .channel-bar.open {
                display: flex;
            }

            .channel-link {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }

            .cta-section .cta-form {
                flex-direction: column;
            }

            .cta-section .cta-form .btn {
                width: 100%;
            }

            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-sm);
            }

            .stat-card .stat-value {
                font-size: 1.4rem;
            }

            .deep-content {
                padding: var(--spacing-lg);
            }

            .page-banner {
                padding: var(--spacing-2xl) 0;
            }

            section {
                padding: var(--spacing-2xl) 0;
            }
        }

        @media (max-width: 520px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }

            .container {
                padding: 0 var(--spacing-md);
            }

            .brand-bar {
                padding: var(--spacing-sm) 0;
            }

            .logo-link {
                font-size: 1.1rem;
            }

            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }

            .hot-list {
                grid-template-columns: 1fr;
            }

            .data-card-grid {
                gap: var(--spacing-md);
            }

            .data-card {
                padding: var(--spacing-md);
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .page-banner p {
                font-size: 0.9rem;
            }

            .section-title {
                font-size: 1.3rem;
            }

            .footer-bottom {
                gap: var(--spacing-xs);
                font-size: 0.7rem;
            }

            .cta-section {
                padding: var(--spacing-2xl) 0;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1E3A34;
            --primary-dark: #162A25;
            --primary-deeper: #0F1F1B;
            --accent: #C89B5E;
            --accent-light: #D9A441;
            --accent-soft: #F0E4D2;
            --bg: #F6F3EF;
            --bg-warm: #FBF8F4;
            --text: #2C3E38;
            --text-strong: #1B2B26;
            --text-light: #5A6E66;
            --text-muted: #7A8E86;
            --border: #DCE5DE;
            --border-strong: #8FAE9B;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;
            --container-max: 1100px;
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--spacing-md);
            }
        }

        section,
        .section-block {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }
        @media (max-width: 1024px) {
            section,
            .section-block {
                padding: var(--spacing-2xl) 0;
            }
        }
        @media (max-width: 640px) {
            section,
            .section-block {
                padding: var(--spacing-xl) 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            background: var(--accent-soft);
            border-radius: 99px;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            position: relative;
            padding-bottom: var(--spacing-md);
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title.centered {
            text-align: center;
            padding-bottom: var(--spacing-md);
        }
        .section-title.centered::after {
            left: 50%;
            transform: translateX(-50%);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: var(--spacing-xl);
        }
        .section-subtitle.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FBF8F4;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-accent:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-small {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn-large {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 99px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--accent-soft);
            color: var(--primary);
            line-height: 1.5;
            vertical-align: middle;
        }
        .badge-dark {
            background: var(--primary);
            color: var(--accent-soft);
        }
        .badge-accent {
            background: var(--accent);
            color: var(--primary-dark);
        }

        /* Header Navigation */
        .header-main {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-sm);
        }
        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-strong);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--accent);
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--accent-soft);
            font-size: 1.2rem;
            font-weight: 900;
            border-radius: var(--radius);
            font-family: var(--font-serif);
            letter-spacing: 0.02em;
        }
        .brand-tools {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .brand-tools a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .brand-tools a:hover {
            color: var(--accent);
        }
        .brand-tools a i {
            font-size: 0.9rem;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 4px 10px;
            gap: 6px;
            transition: border-color var(--transition-fast);
            min-width: 160px;
        }
        .search-box:focus-within {
            border-color: var(--accent);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .search-box input {
            border: none;
            background: transparent;
            font-size: 0.8rem;
            font-family: var(--font-sans);
            color: var(--text);
            outline: none;
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--accent-soft);
        }

        .channel-bar {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: var(--spacing-xs) 0 var(--spacing-sm) 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }
        .channel-bar::-webkit-scrollbar {
            height: 4px;
        }
        .channel-bar::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 2px;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-light);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            border-bottom: 2px solid transparent;
        }
        .channel-link:hover {
            color: var(--primary);
            background: rgba(200, 155, 94, 0.08);
        }
        .channel-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--accent);
            background: rgba(200, 155, 94, 0.12);
        }
        .channel-link.active:hover {
            background: rgba(200, 155, 94, 0.16);
        }

        @media (max-width: 768px) {
            .brand-bar {
                padding: var(--spacing-sm) 0;
            }
            .brand-tools {
                gap: var(--spacing-sm);
            }
            .brand-tools a span {
                display: none;
            }
            .search-box {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .channel-bar {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: var(--spacing-sm) 0;
                gap: 4px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease, padding 0.3s ease;
            }
            .channel-bar.open {
                display: flex;
                max-height: 400px;
                padding: var(--spacing-sm) 0;
            }
            .channel-link {
                border-bottom: none;
                border-left: 2px solid transparent;
                padding: 10px 14px;
                display: block;
            }
            .channel-link.active {
                border-left-color: var(--accent);
                border-bottom: none;
            }
        }

        /* Hero Section */
        .hero-rules {
            background: var(--primary);
            color: #F5F1EA;
            position: relative;
            overflow: hidden;
            padding: var(--spacing-3xl) 0;
        }
        .hero-rules::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }
        .hero-rules .container {
            position: relative;
            z-index: 2;
        }
        .hero-rules h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 900;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
            line-height: 1.3;
        }
        .hero-rules .hero-tagline {
            font-size: 1.1rem;
            color: rgba(251, 248, 244, 0.85);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: var(--spacing-lg);
        }
        .hero-rules .hero-cta-group {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-xl);
        }
        .hero-rules .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .hero-rules .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
        }
        .hero-rules .btn-outline-light {
            background: transparent;
            color: #FBF8F4;
            border-color: rgba(251, 248, 244, 0.4);
        }
        .hero-rules .btn-outline-light:hover {
            background: rgba(251, 248, 244, 0.12);
            border-color: rgba(251, 248, 244, 0.6);
            color: #FBF8F4;
            transform: translateY(-1px);
        }

        .countdown-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(200, 155, 94, 0.35);
            border-radius: var(--radius);
            padding: var(--spacing-md) var(--spacing-lg);
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .countdown-panel .cd-label {
            font-size: 0.82rem;
            color: var(--accent-light);
            font-weight: 600;
            letter-spacing: 0.06em;
        }
        .countdown-digits {
            display: flex;
            gap: var(--spacing-md);
            align-items: center;
        }
        .countdown-digits .cd-block {
            text-align: center;
        }
        .countdown-digits .cd-number {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: #FBF8F4;
            background: rgba(0, 0, 0, 0.3);
            border-radius: var(--radius-sm);
            padding: 4px 10px;
            min-width: 42px;
            display: inline-block;
            letter-spacing: 0.08em;
        }
        .countdown-digits .cd-unit {
            font-size: 0.72rem;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }

        .feature-rule-card {
            background: var(--bg-warm);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .feature-rule-card .card-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 99px;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
            align-self: flex-start;
        }
        .feature-rule-card h3 {
            font-family: var(--font-serif);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
        }
        .feature-rule-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            flex-grow: 1;
        }
        .feature-rule-card .card-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }
        .feature-rule-card .card-meta i {
            color: var(--accent);
        }
        .feature-rule-card .card-cta {
            align-self: flex-start;
        }
        .feature-rule-card .card-img-wrap {
            position: relative;
            margin-bottom: var(--spacing-md);
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary);
        }
        .feature-rule-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-rule-card .card-img-wrap:hover img {
            transform: scale(1.03);
        }
        .feature-rule-card .card-img-wrap .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 52, 0.7) 0%, rgba(30, 58, 52, 0.25) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            pointer-events: none;
        }
        .feature-rule-card .card-img-wrap .img-overlay span {
            background: rgba(251, 248, 244, 0.85);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 99px;
        }

        @media (max-width: 768px) {
            .countdown-panel {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
                padding: var(--spacing-md);
            }
            .countdown-digits .cd-number {
                font-size: 1.2rem;
                padding: 4px 8px;
                min-width: 34px;
            }
        }

        /* Rule category cards */
        .rule-cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .rule-cat-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
        }
        .rule-cat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .rule-cat-card .cat-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            background: var(--primary);
            color: var(--accent-soft);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }
        .rule-cat-card .cat-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-xs);
            font-family: var(--font-serif);
        }
        .rule-cat-card .cat-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: var(--spacing-xs);
        }
        .rule-cat-card .cat-body .cat-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .rule-cat-card .cat-body .cat-link:hover {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .rule-cat-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* Deep content */
        .deep-content {
            background: var(--bg-warm);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .deep-content .content-block {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.85;
        }
        .deep-content .content-block h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
        }
        .deep-content .content-block p {
            margin-bottom: var(--spacing-md);
        }
        .deep-content .content-block .pull-quote {
            border-left: 4px solid var(--accent);
            padding-left: var(--spacing-md);
            margin: var(--spacing-md) 0;
            font-style: italic;
            color: var(--text);
            background: rgba(200, 155, 94, 0.06);
            padding: var(--spacing-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .deep-content .content-block .pull-quote strong {
            color: var(--accent);
            font-style: normal;
        }

        /* Data strip */
        .data-strip {
            background: var(--primary);
            color: #F5F1EA;
            padding: var(--spacing-2xl) 0;
        }
        .data-strip .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
            text-align: center;
        }
        .data-strip .data-item .data-num {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-light);
            display: block;
            margin-bottom: 4px;
            letter-spacing: 0.02em;
        }
        .data-strip .data-item .data-label {
            font-size: 0.85rem;
            color: rgba(251, 248, 244, 0.7);
            font-weight: 500;
        }
        .data-strip .data-item .data-desc {
            font-size: 0.78rem;
            color: rgba(251, 248, 244, 0.5);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .data-strip .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }
            .data-strip .data-item .data-num {
                font-size: 1.8rem;
            }
        }

        /* Process steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            counter-reset: step-counter;
        }
        .process-step {
            text-align: center;
            padding: var(--spacing-lg) var(--spacing-md);
            background: var(--bg-warm);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            position: relative;
            transition: all var(--transition);
        }
        .process-step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--accent-soft);
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.1rem;
            border-radius: 50%;
            margin-bottom: var(--spacing-sm);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-xs);
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .process-step {
                text-align: left;
                display: flex;
                gap: var(--spacing-md);
                align-items: flex-start;
            }
            .process-step .step-num {
                flex-shrink: 0;
                margin-bottom: 0;
            }
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .scenario-card {
            background: var(--bg-warm);
            border-radius: var(--radius);
            padding: var(--spacing-xl) var(--spacing-lg);
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .scenario-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .scenario-card .scenario-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: var(--spacing-sm);
            display: block;
        }
        .scenario-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-xs);
            font-family: var(--font-serif);
        }
        .scenario-card p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.65;
        }
        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* Myth cards */
        .myth-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .myth-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            transition: all var(--transition);
        }
        .myth-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }
        .myth-card .myth-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 99px;
            background: #f8e8e8;
            color: #b05050;
            margin-bottom: var(--spacing-xs);
        }
        .myth-card .myth-tag.correct {
            background: #e6f0ea;
            color: var(--primary);
        }
        .myth-card h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-xs);
        }
        .myth-card p {
            font-size: 0.82rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .myth-list {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* FAQ */
        .faq-section .faq-item {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-md);
            transition: all var(--transition);
            overflow: hidden;
        }
        .faq-section .faq-item.active {
            border-color: var(--accent);
            background: #FDFBF7;
            box-shadow: var(--shadow);
        }
        .faq-section .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-lg);
            cursor: pointer;
            font-weight: 600;
            color: var(--text-strong);
            font-size: 0.95rem;
            user-select: none;
            transition: all var(--transition-fast);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }
        .faq-section .faq-question:hover {
            background: rgba(200, 155, 94, 0.06);
        }
        .faq-section .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border-radius: 50%;
            color: var(--primary);
            transition: transform var(--transition);
            font-size: 0.85rem;
        }
        .faq-section .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--primary-dark);
        }
        .faq-section .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 var(--spacing-lg);
        }
        .faq-section .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: var(--spacing-lg);
        }
        .faq-section .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: var(--primary);
            color: #F5F1EA;
            padding: var(--spacing-3xl) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(251, 248, 244, 0.8);
            max-width: 560px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }
        .cta-section .subscribe-form {
            display: flex;
            gap: var(--spacing-sm);
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-section .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius);
            border: 1px solid rgba(251, 248, 244, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #FBF8F4;
            font-size: 0.9rem;
            font-family: var(--font-sans);
            transition: all var(--transition-fast);
            outline: none;
        }
        .cta-section .subscribe-form input[type="email"]::placeholder {
            color: rgba(251, 248, 244, 0.5);
        }
        .cta-section .subscribe-form input[type="email"]:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
        }
        .cta-section .subscribe-form .btn {
            padding: 14px 28px;
        }

        /* Footer */
        .footer-main {
            background: var(--primary-deeper);
            color: rgba(245, 241, 234, 0.75);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
            font-size: 0.85rem;
        }
        .footer-main .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }
        .footer-main .footer-brand .logo-link {
            color: #FBF8F4;
            font-size: 1.2rem;
            margin-bottom: var(--spacing-sm);
            display: flex;
        }
        .footer-main .footer-brand .logo-mark {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .footer-main .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.7;
            color: rgba(245, 241, 234, 0.6);
            margin-top: var(--spacing-sm);
        }
        .footer-main .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent-light);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.04em;
        }
        .footer-main .footer-col a {
            display: block;
            color: rgba(245, 241, 234, 0.7);
            font-size: 0.82rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-main .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-main .footer-bottom {
            border-top: 1px solid rgba(245, 241, 234, 0.12);
            padding-top: var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm) var(--spacing-lg);
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: rgba(245, 241, 234, 0.5);
        }
        .footer-main .footer-bottom p {
            margin-bottom: 0;
        }
        .footer-main .footer-bottom .footer-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }
        .footer-main .footer-bottom .footer-links a {
            color: rgba(245, 241, 234, 0.6);
            font-size: 0.78rem;
        }
        .footer-main .footer-bottom .footer-links a:hover {
            color: var(--accent-light);
        }
        .footer-main .footer-bottom .footer-links span {
            color: rgba(245, 241, 234, 0.3);
        }
        @media (max-width: 768px) {
            .footer-main .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
                margin-bottom: var(--spacing-lg);
            }
            .footer-main .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }
        }

        /* Misc */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: var(--spacing-md);
        }
        .mt-3 {
            margin-top: var(--spacing-xl);
        }
        .mb-2 {
            margin-bottom: var(--spacing-md);
        }
        .mb-3 {
            margin-bottom: var(--spacing-xl);
        }
        .gap-sm {
            gap: var(--spacing-sm);
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }

/* roulang page: category6 */
:root {
            --primary: #1E3A34;
            --primary-dark: #162A25;
            --primary-deeper: #0F1F1B;
            --accent: #C89B5E;
            --accent-light: #D9A441;
            --accent-soft: #F0E4D2;
            --bg: #F6F3EF;
            --bg-warm: #FBF8F4;
            --bg-dark-section: #162A25;
            --text: #2C3E38;
            --text-strong: #1B2B26;
            --text-light: #5A6E66;
            --text-muted: #7A8E86;
            --border: #DCE5DE;
            --border-strong: #8FAE9B;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 28px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;
            --container-max: 1100px;
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

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

        section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            background: var(--accent-soft);
            border-radius: 99px;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            position: relative;
            padding-bottom: var(--spacing-md);
            font-family: var(--font-serif);
        }

        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: var(--spacing-xl);
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FBF8F4;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

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

        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

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

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

        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        /* ========== Header / Navigation ========== */
        .header-main {
            background: var(--bg-warm);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .header-main .container {
            padding: 0 var(--spacing-lg);
        }

        .brand-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-family: var(--font-serif);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
            letter-spacing: 0.04em;
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #FBF8F4;
            font-size: 0.95rem;
            font-weight: 700;
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .brand-tools a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            color: var(--text-light);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 99px;
            padding: 6px 14px;
            min-width: 160px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200, 155, 94, 0.15);
        }

        .search-box i {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--text);
            width: 100%;
            padding: 0;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            cursor: pointer;
            color: var(--primary);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
        }

        .channel-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            padding: 0 0 var(--spacing-md) 0;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: var(--spacing-sm);
        }

        .channel-link {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .channel-link:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }

        .channel-link.active {
            color: var(--primary-dark);
            background: var(--accent-soft);
            border-color: var(--accent);
            font-weight: 600;
        }

        .channel-link[aria-current="page"] {
            color: var(--primary-dark);
            background: var(--accent-soft);
            border-color: var(--accent);
            font-weight: 600;
        }

        /* ========== Hero (矮横幅风格) ========== */
        .hero-faq {
            background: linear-gradient(135deg, var(--bg-warm) 0%, #F0EAE0 55%, #E8E0D2 100%);
            padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .hero-faq::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(200, 155, 94, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-faq::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(142, 174, 155, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-faq-grid {
            display: flex;
            align-items: center;
            gap: var(--spacing-3xl);
            flex-wrap: wrap;
        }

        .hero-faq-content {
            flex: 1 1 480px;
            min-width: 0;
        }

        .hero-faq-content .section-label {
            margin-bottom: var(--spacing-md);
        }

        .hero-faq-content h1 {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
        }

        .hero-faq-content p {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: var(--spacing-lg);
        }

        .hero-faq-actions {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-faq-badges {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: 99px;
            font-size: 0.8rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        .hero-faq-visual {
            flex: 0 0 320px;
            min-width: 240px;
            position: relative;
        }

        .hero-faq-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            object-fit: cover;
            width: 100%;
            height: 220px;
        }

        .hero-faq-quick-links {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }

        .hero-faq-quick-links a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
            padding: 6px 12px;
            background: rgba(200, 155, 94, 0.12);
            border-radius: 99px;
            transition: all var(--transition-fast);
        }

        .hero-faq-quick-links a:hover {
            background: var(--accent-soft);
            color: var(--primary-dark);
        }

        /* ========== Category Entry Cards ========== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .category-entry-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            position: relative;
            overflow: hidden;
        }

        .category-entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .category-entry-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .category-entry-card:hover::before {
            opacity: 1;
        }

        .category-entry-card .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: var(--spacing-sm);
        }

        .category-entry-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0;
            font-family: var(--font-serif);
        }

        .category-entry-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }

        .category-entry-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: var(--spacing-sm);
            transition: color var(--transition-fast);
        }

        .category-entry-card:hover .card-link {
            color: var(--primary);
        }

        /* ========== Hot Questions TOP ========== */
        .hot-questions-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }

        .hot-question-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: var(--spacing-lg);
            transition: all var(--transition);
        }

        .hot-question-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }

        .hot-question-number {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #FBF8F4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .hot-question-item:nth-child(1) .hot-question-number,
        .hot-question-item:nth-child(2) .hot-question-number {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .hot-question-content {
            flex: 1;
            min-width: 0;
        }

        .hot-question-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-strong);
            margin: 0 0 var(--spacing-xs) 0;
            line-height: 1.5;
        }

        .hot-question-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ Accordion ========== */
        .faq-section-wrap {
            background: var(--bg-warm);
        }

        .faq-section-wrap .container {
            max-width: 900px;
        }

        .faq-group-header {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--border);
        }

        .faq-group-header .group-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
            background: var(--primary);
            color: #FBF8F4;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .faq-group-header h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0;
            font-family: var(--font-serif);
        }

        .accordion-faq {
            margin-bottom: var(--spacing-2xl);
        }

        .accordion-faq:last-child {
            margin-bottom: 0;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item.open {
            border-color: var(--border-strong);
            box-shadow: var(--shadow);
        }

        .faq-item-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            user-select: none;
            transition: background var(--transition-fast);
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
        }

        .faq-item-header:hover {
            background: var(--accent-soft);
        }

        .faq-item-header:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        .faq-item-header .faq-question {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-strong);
            line-height: 1.5;
            margin: 0;
        }

        .faq-item-header .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-item-header .faq-icon {
            transform: rotate(180deg);
            background: var(--accent);
            color: var(--primary-dark);
        }

        .faq-item-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-item.open .faq-item-body {
            max-height: 300px;
        }

        .faq-item-body-inner {
            padding: 0 var(--spacing-lg) var(--spacing-md);
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: var(--spacing-sm);
        }

        .faq-item-body-inner ul {
            margin: var(--spacing-sm) 0 0;
            padding-left: 1.2em;
        }

        .faq-item-body-inner li {
            margin-bottom: 4px;
        }

        /* ========== Usage Guide Steps ========== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            counter-reset: step;
        }

        .guide-step {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: left;
            transition: all var(--transition);
            position: relative;
            counter-increment: step;
        }

        .guide-step:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .guide-step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #FBF8F4;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: var(--spacing-md);
        }

        .guide-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0 0 var(--spacing-xs) 0;
            font-family: var(--font-serif);
        }

        .guide-step p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Related Channels ========== */
        .related-channels-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .related-channel-card {
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-channel-card:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .related-channel-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .related-channel-body {
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            flex-grow: 1;
        }

        .related-channel-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-strong);
            margin: 0;
            font-family: var(--font-serif);
        }

        .related-channel-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }

        .related-channel-body .btn {
            align-self: flex-start;
        }

        /* ========== CTA Section ========== */
        .cta-faq {
            background: var(--bg-dark-section);
            padding: var(--spacing-3xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-faq::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 155, 94, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-faq .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: var(--spacing-2xl);
            flex-wrap: wrap;
        }

        .cta-faq-content {
            flex: 1 1 400px;
            min-width: 0;
        }

        .cta-faq-content h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 700;
            color: #FBF8F4;
            line-height: 1.4;
            margin-bottom: var(--spacing-md);
        }

        .cta-faq-content p {
            font-size: 1rem;
            color: rgba(251, 248, 244, 0.75);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 520px;
        }

        .cta-faq-form {
            flex: 0 0 340px;
            min-width: 280px;
            background: rgba(251, 248, 244, 0.08);
            border: 1px solid rgba(251, 248, 244, 0.15);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            backdrop-filter: blur(8px);
        }

        .cta-faq-form h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FBF8F4;
            margin: 0 0 var(--spacing-sm) 0;
            font-family: var(--font-serif);
        }

        .cta-faq-form p {
            font-size: 0.85rem;
            color: rgba(251, 248, 244, 0.7);
            line-height: 1.7;
            margin: 0 0 var(--spacing-md) 0;
        }

        .form-group {
            display: flex;
            gap: var(--spacing-xs);
            margin-bottom: var(--spacing-sm);
        }

        .form-group input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid rgba(251, 248, 244, 0.2);
            border-radius: var(--radius);
            background: rgba(251, 248, 244, 0.1);
            color: #FBF8F4;
            font-family: var(--font-sans);
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .form-group input::placeholder {
            color: rgba(251, 248, 244, 0.5);
        }

        .form-group input:focus {
            border-color: var(--accent);
            background: rgba(251, 248, 244, 0.15);
            box-shadow: 0 0 0 3px rgba(200, 155, 94, 0.2);
        }

        .cta-faq-form .btn {
            width: 100%;
        }

        .form-note {
            font-size: 0.75rem;
            color: rgba(251, 248, 244, 0.5);
            margin-top: var(--spacing-xs);
            text-align: center;
        }

        /* ========== Footer ========== */
        .footer-main {
            background: var(--primary-deeper);
            color: rgba(251, 248, 244, 0.8);
            padding: var(--spacing-3xl) 0 var(--spacing-lg);
            font-size: 0.88rem;
        }

        .footer-main a {
            color: rgba(251, 248, 244, 0.75);
            transition: color var(--transition-fast);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-2xl);
            margin-bottom: var(--spacing-2xl);
        }

        .footer-brand .logo-link {
            color: #FBF8F4;
            font-size: 1.2rem;
            margin-bottom: var(--spacing-md);
        }

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

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.75;
            color: rgba(251, 248, 244, 0.6);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FBF8F4;
            margin: 0 0 var(--spacing-md) 0;
            font-family: var(--font-serif);
        }

        .footer-col a {
            display: block;
            margin-bottom: var(--spacing-xs);
            font-size: 0.85rem;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(251, 248, 244, 0.1);
            font-size: 0.78rem;
            color: rgba(251, 248, 244, 0.5);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        /* ========== Responsive ========== */
        @media screen and (max-width: 1024px) {
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hot-questions-list {
                grid-template-columns: 1fr;
            }

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

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

        @media screen and (max-width: 768px) {
            :root {
                --spacing-3xl: 48px;
                --spacing-2xl: 36px;
                --spacing-xl: 28px;
            }

            section {
                padding: var(--spacing-2xl) 0;
            }

            .container {
                padding: 0 var(--spacing-md);
            }

            .brand-tools {
                gap: var(--spacing-sm);
            }

            .brand-tools a span {
                display: none;
            }

            .search-box {
                min-width: 120px;
                padding: 4px 10px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .channel-bar {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding-bottom: var(--spacing-sm);
            }

            .channel-bar.open {
                display: flex;
            }

            .channel-link {
                padding: 10px 14px;
                border-radius: var(--radius-sm);
                display: block;
                width: 100%;
            }

            .hero-faq {
                padding: var(--spacing-2xl) 0 var(--spacing-xl);
            }

            .hero-faq-grid {
                flex-direction: column;
                gap: var(--spacing-lg);
            }

            .hero-faq-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 320px;
                margin: 0 auto;
            }

            .hero-faq-visual img {
                height: 180px;
            }

            .category-entry-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .guide-steps {
                grid-template-columns: 1fr;
            }

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

            .cta-faq .container {
                flex-direction: column;
                gap: var(--spacing-xl);
            }

            .cta-faq-form {
                flex: 0 0 auto;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-xs);
            }

            .hot-question-item {
                padding: var(--spacing-md);
            }
        }

        @media screen and (max-width: 520px) {
            :root {
                --spacing-2xl: 32px;
                --spacing-xl: 24px;
                --spacing-lg: 16px;
                --spacing-md: 12px;
            }

            .brand-bar {
                padding: var(--spacing-sm) 0;
            }

            .logo-link {
                font-size: 1.1rem;
            }

            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }

            .search-box {
                display: none;
            }

            .hero-faq-content h1 {
                font-size: 1.5rem;
            }

            .hero-faq-content p {
                font-size: 0.92rem;
            }

            .hero-faq-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .faq-item-header {
                padding: var(--spacing-sm) var(--spacing-md);
            }

            .faq-item-body-inner {
                padding: 0 var(--spacing-md) var(--spacing-sm);
                padding-top: var(--spacing-xs);
            }

            .form-group {
                flex-direction: column;
            }

            .form-group .btn {
                width: 100%;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1E3A34;
            --primary-dark: #162A25;
            --primary-deeper: #0F1F1B;
            --accent: #C89B5E;
            --accent-light: #D9A441;
            --accent-soft: #F0E4D2;
            --bg: #F6F3EF;
            --bg-warm: #FBF8F4;
            --text: #2C3E38;
            --text-strong: #1B2B26;
            --text-light: #5A6E66;
            --text-muted: #7A8E86;
            --border: #DCE5DE;
            --border-strong: #8FAE9B;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-lg: 12px;
            --shadow-sm: 0 1px 4px rgba(0,0,0,0.05);
            --shadow: 0 4px 16px rgba(0,0,0,0.06);
            --shadow-hover: 0 8px 28px rgba(0,0,0,0.1);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --font-serif: 'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
            --font-sans: 'Noto Sans SC','Source Han Sans SC',system-ui,-apple-system,sans-serif;
            --font-mono: 'JetBrains Mono','SF Mono',monospace;
            --spacing-xs: 4px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --spacing-5xl: 100px;
            --container-max: 1100px;
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-weight: 400;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

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

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

        section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }

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

        section.dark-bg {
            background: var(--primary-dark);
            color: #F6F3EF;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.12em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: var(--spacing-sm);
            padding: 4px 12px;
            background: var(--accent-soft);
            border-radius: 99px;
        }

        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            position: relative;
            padding-bottom: var(--spacing-md);
        }

        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: var(--spacing-xl);
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            line-height: 1.5;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary {
            background: var(--primary);
            color: #FBF8F4;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #FBF8F4;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .badge {
            display: inline-block;
            padding: 2px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 99px;
            background: var(--accent-soft);
            color: var(--primary-dark);
            letter-spacing: 0.04em;
        }

        .badge-green {
            background: #DDEBE4;
            color: var(--primary);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--border-strong);
            color: var(--text-light);
        }

        .card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .card-image {
            position: relative;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-warm);
        }

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

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

        .card-body {
            padding: var(--spacing-lg);
        }

        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-sm);
            line-height: 1.5;
        }

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

        .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }

        .divider {
            height: 1px;
            background: var(--border);
            margin: var(--spacing-xl) 0;
        }

        .text-center {
            text-align: center;
        }
        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .hero {
            padding: var(--spacing-4xl) 0 var(--spacing-3xl);
            background: linear-gradient(135deg, var(--bg-warm) 0%, var(--accent-soft) 50%, var(--bg) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(200,155,94,0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--spacing-2xl);
            align-items: center;
        }

        .hero-title {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 900;
            color: var(--text-strong);
            line-height: 1.3;
            margin-bottom: var(--spacing-md);
            font-family: var(--font-serif);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.9;
            max-width: 520px;
            margin-bottom: var(--spacing-lg);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: var(--primary-dark);
            min-height: 320px;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22,42,37,0.55) 0%, rgba(22,42,37,0.8) 100%);
            pointer-events: none;
        }

        .hero-visual-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-lg);
            z-index: 2;
            color: #FBF8F4;
        }

        .hero-visual-caption .label {
            font-size: 0.75rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-light);
            margin-bottom: var(--spacing-xs);
        }

        .hero-visual-caption h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FBF8F4;
            margin-bottom: var(--spacing-xs);
        }

        .notice-banner {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: #fff;
            border-left: 4px solid var(--accent);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
            flex-wrap: wrap;
        }

        .notice-banner-icon {
            font-size: 2rem;
            color: var(--accent);
            flex-shrink: 0;
        }

        .notice-banner-content {
            flex: 1;
            min-width: 200px;
        }

        .notice-banner-title {
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-xs);
        }

        .notice-banner-text {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .timeline {
            position: relative;
            padding-left: var(--spacing-xl);
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-strong);
        }

        .timeline-item {
            position: relative;
            margin-bottom: var(--spacing-xl);
            padding-left: var(--spacing-lg);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 6px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border: 2px solid #fff;
            border-radius: 50%;
            box-shadow: 0 0 0 2px var(--accent);
        }

        .timeline-date {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            font-family: var(--font-mono);
            margin-bottom: var(--spacing-xs);
        }

        .timeline-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: var(--spacing-xs);
        }

        .timeline-text {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }

        .timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            margin-bottom: var(--spacing-sm);
        }

        .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: var(--spacing-md);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .accordion-header {
            width: 100%;
            padding: var(--spacing-md) var(--spacing-lg);
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-strong);
            transition: all var(--transition);
        }

        .accordion-header:hover {
            background: var(--bg-warm);
        }

        .accordion-header .icon {
            font-size: 1.1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }

        .accordion-item.active .accordion-header .icon {
            transform: rotate(45deg);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            background: var(--bg-warm);
        }

        .accordion-item.active .accordion-content {
            max-height: 200px;
        }

        .accordion-inner {
            padding: var(--spacing-md) var(--spacing-lg);
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .cta-box {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: var(--spacing-2xl);
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-xl);
            align-items: center;
            color: #FBF8F4;
        }

        .cta-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FBF8F4;
            margin-bottom: var(--spacing-sm);
        }

        .cta-box p {
            color: rgba(246,243,239,0.8);
            margin-bottom: var(--spacing-lg);
        }

        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius);
            border: 1px solid var(--border-strong);
            background: #fff;
            color: var(--text);
            font-family: var(--font-sans);
            font-size: 0.95rem;
            transition: all var(--transition);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(200,155,94,0.15);
            outline: none;
        }

        .subscribe-form .btn {
            flex-shrink: 0;
        }

        .info-chips {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .info-chip {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: 8px 16px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 0.85rem;
            color: var(--text-light);
            transition: all var(--transition);
        }

        .info-chip:hover {
            border-color: var(--accent);
            color: var(--primary);
        }
        .info-chip i {
            color: var(--accent);
        }

        .footer-main {
            background: var(--primary-deeper);
            color: #DCE5DE;
            padding: var(--spacing-3xl) 0 var(--spacing-xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-brand .logo-link {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 1.3rem;
            font-weight: 700;
            color: #FBF8F4;
            margin-bottom: var(--spacing-md);
        }
        .footer-brand .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--primary-dark);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
        }
        .footer-brand p {
            color: #A8B8B2;
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #FBF8F4;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: var(--spacing-md);
        }
        .footer-col a {
            display: block;
            color: #A8B8B2;
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(220,229,222,0.15);
            padding-top: var(--spacing-lg);
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            align-items: center;
            font-size: 0.78rem;
            color: #8FAE9B;
        }
        .footer-bottom p {
            margin: 0;
            white-space: nowrap;
        }
        .footer-links {
            display: flex;
            gap: var(--spacing-sm);
            align-items: center;
        }
        .footer-links a {
            color: #A8B8B2;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--accent-light);
        }

        .header-main {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
        }

        .brand-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-strong);
            font-family: var(--font-serif);
        }

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

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #FBF8F4;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 700;
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .brand-tools a {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--text-light);
            font-size: 0.85rem;
            font-weight: 500;
        }

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

        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .search-box input[type="search"] {
            border: none;
            background: transparent;
            font-family: var(--font-sans);
            font-size: 0.85rem;
            color: var(--text);
            width: 140px;
            outline: none;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            cursor: pointer;
            color: var(--text);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--bg-warm);
            border-color: var(--accent);
        }

        .channel-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0 var(--spacing-md);
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
        }

        .channel-link {
            padding: 6px 16px;
            border-radius: 99px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .channel-link:hover {
            background: var(--bg-warm);
            color: var(--primary);
        }

        .channel-link.active {
            background: var(--primary);
            color: #FBF8F4;
            font-weight: 600;
        }

        .back-to-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #FBF8F4;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition);
            z-index: 90;
            text-decoration: none;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }

        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }
            .cta-box {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }

            section {
                padding: var(--spacing-2xl) 0;
            }

            .hero {
                padding: var(--spacing-3xl) 0 var(--spacing-2xl);
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .brand-tools a span {
                display: none;
            }

            .search-box {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .channel-bar {
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: var(--spacing-sm) 0;
            }

            .channel-bar.open {
                display: flex;
            }

            .channel-link {
                display: block;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                text-align: left;
            }

            .timeline {
                padding-left: var(--spacing-lg);
            }

            .timeline-item {
                padding-left: 0;
                margin-bottom: var(--spacing-lg);
            }

            .timeline-item::before {
                left: -12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }

            .notice-banner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"] {
                width: 100%;
                min-width: auto;
            }
        }