/* roulang page: index */
:root {
            --color-primary: #1A1D23;
            --color-accent: #C59B43;
            --color-accent-hover: #D4AF63;
            --color-accent-active: #B08D35;
            --color-bg: #F5F3EE;
            --color-bg-card: #FFFFFF;
            --color-bg-muted: #FBFAF7;
            --color-text-main: #1A1D23;
            --color-text-body: #2E3038;
            --color-text-muted: #6B6F76;
            --color-text-inverse: #F5F3EE;
            --color-badge-bg: #F5EEDC;
            --color-badge-text: #B08D35;
            --color-border: #E5E1D8;
            --color-border-hover: #C59B43;
            --color-border-soft: #ECEAE4;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --shadow-card: 0 4px 16px rgba(26,29,35,0.08);
            --shadow-card-hover: 0 12px 32px rgba(26,29,35,0.14);
            --shadow-cta: 0 8px 24px rgba(197,155,67,0.18);
            --font-size-xs: 13px;
            --font-size-sm: 14px;
            --font-size-base: 15px;
            --font-size-md: 16px;
            --font-size-card-title: 18px;
            --font-size-section-title: 24px;
            --font-size-hero-title: 36px;
            --font-size-step-num: 40px;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-xxl: 48px;
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --max-width: 1200px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-normal);
            line-height: 1.7;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: var(--font-weight-bold);
            line-height: 1.3;
            color: var(--color-text-main);
            margin-bottom: var(--spacing-md);
        }

        h1 {
            font-size: var(--font-size-hero-title);
            font-weight: var(--font-weight-bold);
        }

        h2 {
            font-size: var(--font-size-section-title);
            font-weight: var(--font-weight-bold);
        }

        h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
        }

        p {
            margin-bottom: var(--spacing-sm);
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }

        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(197,155,67,0.18);
            border-radius: 6px;
            color: var(--color-accent);
        }

        .brand-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .brand-text {
            font-size: 20px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            letter-spacing: 0.5px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex: 1;
            justify-content: center;
        }

        .nav-desktop a {
            position: relative;
            color: var(--color-text-inverse);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            padding: var(--spacing-xs) 2px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width var(--transition-fast);
        }

        .nav-desktop a:hover,
        .nav-desktop a:focus,
        .nav-desktop a.active {
            color: var(--color-accent);
        }

        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

        .nav-desktop a.active {
            font-weight: var(--font-weight-semibold);
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-xs);
            padding: 10px 24px;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            border-radius: var(--radius-btn);
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            text-align: center;
            line-height: 1.4;
            white-space: nowrap;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
        }

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

        .btn-secondary {
            background-color: transparent;
            color: var(--color-text-inverse);
            border: 1px solid rgba(245,243,238,0.4);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background-color: rgba(245,243,238,0.08);
            border-color: var(--color-text-inverse);
            color: var(--color-text-inverse);
        }

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

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

        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-size-md);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: var(--font-size-xs);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-inverse);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary);
            z-index: 999;
            padding: var(--spacing-lg);
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }

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

        .mobile-menu a {
            color: var(--color-text-inverse);
            font-size: var(--font-size-base);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: var(--radius-btn);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background-color: rgba(197,155,67,0.15);
            color: var(--color-accent);
        }

        .mobile-menu .btn {
            margin-top: var(--spacing-sm);
            justify-content: center;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-color: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(26,29,35,0.93) 0%, rgba(26,29,35,0.82) 60%, rgba(26,29,35,0.9) 100%), url('/assets/images/ba35b5be4d729540.webp');
            background-size: cover;
            background-position: center;
            min-height: 680px;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            padding-bottom: var(--spacing-xxl);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent 0%, var(--color-accent) 30%, var(--color-accent) 70%, transparent 100%);
            opacity: 0.7;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 60px;
            right: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(197,155,67,0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xxl);
            align-items: center;
            width: 100%;
        }

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

        .hero-badge {
            display: inline-block;
            background-color: var(--color-badge-bg);
            color: var(--color-badge-text);
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-semibold);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

        .hero h1 {
            color: var(--color-text-inverse);
            font-size: var(--font-size-hero-title);
            margin-bottom: var(--spacing-lg);
            line-height: 1.25;
            letter-spacing: 0.5px;
        }

        .hero-subtitle {
            color: rgba(245,243,238,0.78);
            font-size: var(--font-size-md);
            line-height: 1.8;
            margin-bottom: var(--spacing-xl);
            max-width: 520px;
        }

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

        .hero-stats {
            display: flex;
            gap: var(--spacing-xl);
            margin-top: var(--spacing-xxl);
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(245,243,238,0.15);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat-number {
            font-size: 32px;
            font-weight: var(--font-weight-bold);
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
        }

        .hero-stat-label {
            font-size: var(--font-size-xs);
            color: rgba(245,243,238,0.65);
            margin-top: 2px;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: rgba(245,243,238,0.06);
            border: 1px solid rgba(245,243,238,0.12);
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.9;
        }

        /* ===== Section ===== */
        section {
            padding: var(--spacing-section) 0;
        }

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

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

        .section-dark h2 {
            color: var(--color-text-inverse);
        }

        .section-dark p {
            color: rgba(245,243,238,0.72);
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto var(--spacing-xxl);
        }

        .section-header h2 {
            font-size: var(--font-size-section-title);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.3px;
        }

        .section-dark .section-header h2 {
            color: var(--color-text-inverse);
        }

        .section-subtitle {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: rgba(245,243,238,0.65);
        }

        .accent-underline {
            width: 56px;
            height: 3px;
            background-color: var(--color-accent);
            border-radius: 2px;
            margin: var(--spacing-sm) auto 0;
        }

        /* ===== Cards Grid ===== */
        .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);
        }

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

        /* ===== Advantage Cards ===== */
        .advantage-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .advantage-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: rgba(197,155,67,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-md);
            color: var(--color-accent);
        }

        .advantage-icon svg {
            width: 24px;
            height: 24px;
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .advantage-card h3 {
            font-size: 18px;
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-sm);
        }

        .advantage-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Scenario Grid ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .scenario-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            position: relative;
            min-height: 160px;
            text-decoration: none;
            color: inherit;
        }

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

        .scenario-card:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .scenario-icon {
            font-size: 22px;
            margin-bottom: var(--spacing-sm);
            color: var(--color-accent);
        }

        .scenario-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: 6px;
        }

        .scenario-card p {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
            flex: 1;
        }

        .scenario-arrow {
            position: absolute;
            bottom: var(--spacing-md);
            right: var(--spacing-lg);
            color: var(--color-accent);
            font-size: 16px;
            transition: transform var(--transition-fast);
        }

        .scenario-card:hover .scenario-arrow {
            transform: translateX(4px);
        }

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

        .step-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            text-align: center;
            position: relative;
        }

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

        .step-number {
            font-size: 40px;
            font-weight: var(--font-weight-bold);
            color: var(--color-accent);
            line-height: 1.1;
            margin-bottom: var(--spacing-md);
            display: block;
            letter-spacing: -2px;
        }

        .step-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .step-connector {
            position: absolute;
            top: 50%;
            right: -18px;
            transform: translateY(-50%);
            color: var(--color-border);
            font-size: 18px;
            z-index: 1;
        }

        /* ===== Dark Metrics ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            text-align: center;
        }

        .metric-item {
            padding: var(--spacing-lg);
            border-right: 1px solid rgba(245,243,238,0.12);
        }

        .metric-item:last-child {
            border-right: none;
        }

        .metric-number {
            font-size: 36px;
            font-weight: var(--font-weight-bold);
            color: var(--color-accent);
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: var(--font-size-sm);
            color: rgba(245,243,238,0.7);
        }

        /* ===== News Cards ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .news-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: inherit;
        }

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

        .news-card-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background-color: var(--color-border-soft);
        }

        .news-card-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-tag {
            display: inline-block;
            background-color: var(--color-badge-bg);
            color: var(--color-badge-text);
            font-size: 11px;
            font-weight: var(--font-weight-semibold);
            padding: 2px 8px;
            border-radius: var(--radius-badge);
            margin-bottom: var(--spacing-sm);
            align-self: flex-start;
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: 6px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            margin-top: auto;
            padding-top: var(--spacing-sm);
        }

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

        .news-empty-icon {
            font-size: 40px;
            margin-bottom: var(--spacing-md);
            display: block;
        }

        .news-empty p {
            color: var(--color-text-muted);
            font-size: var(--font-size-sm);
        }

        /* ===== Fee Comparison ===== */
        .fee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .fee-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

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

        .fee-card h3 {
            font-size: 18px;
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-sm);
        }

        .fee-card .fee-value {
            font-size: 28px;
            font-weight: var(--font-weight-bold);
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
            display: block;
        }

        .fee-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Risk Warning ===== */
        .risk-panel {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
        }

        .risk-panel h3 {
            font-size: 18px;
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-md);
        }

        .risk-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .risk-list li {
            position: relative;
            padding-left: var(--spacing-lg);
            font-size: var(--font-size-sm);
            color: var(--color-text-body);
            line-height: 1.8;
            margin-bottom: var(--spacing-sm);
        }

        .risk-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--color-accent);
            opacity: 0.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:focus-within {
            border-color: var(--color-border-hover);
            box-shadow: 0 0 0 3px rgba(197,155,67,0.12);
        }

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

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

        .faq-arrow {
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 16px;
            transition: transform var(--transition-base), color var(--transition-fast);
        }

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

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }

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

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

        .faq-answer p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== Comparison Table ===== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            max-width: 800px;
            margin: 0 auto;
        }

        .comparison-card {
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            border: 1px solid var(--color-border);
        }

        .comparison-card.highlight {
            background-color: var(--color-bg-card);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-card);
        }

        .comparison-card.muted {
            background-color: var(--color-border-soft);
            border-color: var(--color-border);
        }

        .comparison-card h3 {
            font-size: 18px;
            font-weight: var(--font-weight-bold);
            margin-bottom: var(--spacing-lg);
        }

        .comparison-card.highlight h3 {
            color: var(--color-accent);
        }

        .comparison-card.muted h3 {
            color: var(--color-text-muted);
        }

        .comparison-row {
            display: flex;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--color-border);
            font-size: var(--font-size-sm);
        }

        .comparison-row:last-child {
            border-bottom: none;
        }

        .comparison-label {
            color: var(--color-text-muted);
            font-weight: var(--font-weight-medium);
            flex-shrink: 0;
        }

        .comparison-value {
            color: var(--color-text-body);
            text-align: right;
        }

        /* ===== Testimonials ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .testimonial-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

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

        .testimonial-stars {
            display: flex;
            gap: 2px;
            margin-bottom: var(--spacing-md);
            color: var(--color-accent);
            font-size: 16px;
            letter-spacing: 1px;
        }

        .testimonial-text {
            font-size: var(--font-size-sm);
            color: var(--color-text-body);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            font-style: italic;
        }

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

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--color-accent);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: var(--font-weight-bold);
            font-size: var(--font-size-sm);
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
        }

        .testimonial-role {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
        }

        /* ===== Security Badges ===== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        .security-card {
            text-align: center;
            padding: var(--spacing-lg);
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

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

        .security-icon {
            font-size: 32px;
            margin-bottom: var(--spacing-sm);
        }

        .security-card h4 {
            font-size: 14px;
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: 4px;
        }

        .security-card p {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background-color: var(--color-primary);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
            border-top: 2px solid var(--color-accent);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(197,155,67,0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: var(--color-text-inverse);
            font-size: var(--font-size-section-title);
            margin-bottom: var(--spacing-md);
        }

        .cta-content p {
            color: rgba(245,243,238,0.72);
            font-size: var(--font-size-sm);
            line-height: 1.8;
            margin-bottom: var(--spacing-xl);
        }

        .cta-actions {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Partner Logos ===== */
        .partners-grid {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-lg);
            justify-content: center;
            align-items: center;
        }

        .partner-placeholder {
            width: 120px;
            height: 48px;
            background-color: var(--color-border-soft);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            font-weight: var(--font-weight-medium);
            transition: all var(--transition-fast);
            filter: grayscale(1);
            opacity: 0.7;
        }

        .partner-placeholder:hover {
            filter: grayscale(0);
            opacity: 1;
            border-color: var(--color-border-hover);
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary);
            color: rgba(245,243,238,0.7);
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-lg);
        }

        .footer-columns {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xxl);
            border-bottom: 1px solid rgba(245,243,238,0.1);
        }

        .footer-col h4 {
            color: var(--color-text-inverse);
            font-size: 14px;
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: block;
            color: rgba(245,243,238,0.6);
            font-size: var(--font-size-xs);
            padding: 4px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: var(--spacing-md);
            padding-top: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: var(--font-size-xs);
            color: rgba(245,243,238,0.5);
            margin-bottom: 0;
        }

        .footer-bottom a {
            color: rgba(245,243,238,0.6);
            text-decoration: none;
        }

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

        /* ===== Form Styles ===== */
        .form-group {
            margin-bottom: var(--spacing-md);
        }

        .form-label {
            display: block;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-text-main);
            margin-bottom: 4px;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            height: 44px;
            padding: 10px 14px;
            font-size: var(--font-size-sm);
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            background-color: var(--color-bg-card);
            color: var(--color-text-body);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .form-textarea {
            height: auto;
            min-height: 120px;
            resize: vertical;
            line-height: 1.6;
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(197,155,67,0.15);
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-block;
            background-color: var(--color-badge-bg);
            color: var(--color-badge-text);
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-semibold);
            padding: 2px 10px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.3px;
            line-height: 22px;
            height: 22px;
        }

        /* ===== Divider ===== */
        .divider {
            height: 1px;
            background-color: var(--color-border);
            border: none;
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --font-size-hero-title: 30px;
            }

            .hero {
                min-height: 560px;
            }

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

            .hero-content {
                padding-right: 0;
            }

            .hero-visual {
                aspect-ratio: 16 / 9;
            }

            .scenario-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .fee-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: var(--spacing-md);
            }

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

            .metric-item {
                border-right: none;
                border-bottom: 1px solid rgba(245,243,238,0.12);
            }

            .metric-item:nth-child(3),
            .metric-item:nth-child(4) {
                border-bottom: none;
            }

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

        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --spacing-section-mobile: 40px;
                --font-size-hero-title: 26px;
                --font-size-section-title: 20px;
                --nav-height: 60px;
            }

            .nav-desktop {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                min-height: auto;
                padding-top: calc(var(--nav-height) + var(--spacing-lg));
                padding-bottom: var(--spacing-xl);
            }

            .hero .container {
                grid-template-columns: 1fr;
            }

            .hero-stats {
                flex-direction: column;
                gap: var(--spacing-md);
                padding-top: var(--spacing-md);
                margin-top: var(--spacing-lg);
            }

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

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

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

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

            .scenario-card {
                min-height: 120px;
                padding: var(--spacing-md);
            }

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

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

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

            .step-connector {
                display: none;
            }

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

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

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

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

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

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

            .partners-grid {
                gap: var(--spacing-sm);
            }

            .partner-placeholder {
                width: 100px;
                height: 40px;
                font-size: 11px;
            }

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

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

        @media (max-width: 520px) {
            :root {
                --font-size-hero-title: 22px;
                --font-size-section-title: 18px;
                --spacing-section: 36px;
            }

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

            .brand-text {
                font-size: 17px;
            }

            .brand-icon {
                width: 30px;
                height: 30px;
            }

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

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

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

            .metric-item {
                border-bottom: 1px solid rgba(245,243,238,0.12);
                padding: var(--spacing-md);
            }

            .metric-item:last-child {
                border-bottom: none;
            }

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

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

            .hero-stat-number {
                font-size: 26px;
            }

            .faq-question {
                font-size: 14px;
                padding: var(--spacing-sm) var(--spacing-md);
            }

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

            .faq-item.open .faq-answer {
                padding-bottom: var(--spacing-md);
            }

            .news-card h3 {
                font-size: 14px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 13px;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1A1D23;
            --color-accent: #C59B43;
            --color-accent-hover: #D4AF63;
            --color-accent-active: #B08D35;
            --color-bg: #F5F3EE;
            --color-bg-card: #FFFFFF;
            --color-bg-muted: #FBFAF7;
            --color-text-main: #1A1D23;
            --color-text-body: #2E3038;
            --color-text-muted: #6B6F76;
            --color-text-inverse: #F5F3EE;
            --color-badge-bg: #F5EEDC;
            --color-badge-text: #B08D35;
            --color-border: #E5E1D8;
            --color-border-hover: #C59B43;
            --color-border-soft: #ECEAE4;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --shadow-card: 0 4px 16px rgba(26,29,35,0.08);
            --shadow-card-hover: 0 12px 32px rgba(26,29,35,0.14);
            --shadow-cta: 0 8px 24px rgba(197,155,67,0.18);
            --font-size-xs: 13px;
            --font-size-sm: 14px;
            --font-size-base: 15px;
            --font-size-md: 16px;
            --font-size-card-title: 18px;
            --font-size-section-title: 24px;
            --font-size-hero-title: 36px;
            --font-size-step-num: 40px;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-xxl: 48px;
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --max-width: 1200px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-normal);
            line-height: 1.7;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--color-accent-hover);
            text-decoration: none;
            outline: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }
        /* Header/Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(197,155,67,0.18);
            border-radius: 8px;
        }
        .brand-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-accent);
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .brand-text {
            font-size: 20px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-desktop a {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-text-inverse);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-base);
        }
        .nav-desktop a:hover,
        .nav-desktop a:focus,
        .nav-desktop a.active {
            color: var(--color-accent);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: var(--font-weight-semibold);
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            text-align: center;
            border: 1px solid transparent;
            padding: 10px 20px;
            font-size: var(--font-size-sm);
            line-height: 1.5;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background-color: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
        }
        .btn-primary:active {
            background-color: var(--color-accent-active);
            border-color: var(--color-accent-active);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background-color: var(--color-border-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline-inverse {
            background: transparent;
            color: var(--color-text-inverse);
            border-color: var(--color-text-inverse);
        }
        .btn-outline-inverse:hover,
        .btn-outline-inverse:focus {
            background-color: rgba(255,255,255,0.1);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: var(--font-size-xs);
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: var(--font-size-md);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text-inverse);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--color-primary);
            padding: var(--spacing-lg);
            flex-direction: column;
            gap: var(--spacing-md);
            z-index: 999;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-medium);
            color: var(--color-text-inverse);
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent);
        }
        .mobile-menu .btn {
            margin-top: var(--spacing-sm);
        }
        /* Breadcrumb */
        .breadcrumb-section {
            background: #F5F3EE;
            padding-top: var(--spacing-lg);
            padding-bottom: 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-nav .sep {
            color: #C9C4B8;
        }
        .breadcrumb-nav .current {
            color: var(--color-accent);
            font-weight: var(--font-weight-medium);
        }
        /* Category Header */
        .category-header {
            padding-top: var(--spacing-sm);
            padding-bottom: var(--spacing-lg);
            background: #F5F3EE;
        }
        .category-header-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }
        .category-header-left h1 {
            font-size: 32px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-md);
            line-height: 1.3;
        }
        .category-header-left .category-desc {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.9;
            max-width: 720px;
        }
        .accent-divider {
            width: 56px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: var(--spacing-md);
        }
        .category-header-right {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .category-header-right h3 {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
        }
        .category-header-right p {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        /* Sections */
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .section-alt {
            background: #fff;
        }
        .section-dark {
            background: var(--color-primary);
            color: var(--color-text-inverse);
        }
        .section-title {
            font-size: var(--font-size-section-title);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            max-width: 780px;
            line-height: 1.8;
            margin-bottom: var(--spacing-xl);
        }
        .section-dark .section-title {
            color: var(--color-text-inverse);
        }
        .section-dark .section-subtitle {
            color: rgba(245,243,238,0.75);
        }
        /* Card Base */
        .card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            padding: var(--spacing-lg);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        /* Category Intro */
        .category-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .category-intro-content p {
            font-size: var(--font-size-base);
            color: var(--color-text-body);
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }
        .category-intro-content p:last-child {
            margin-bottom: 0;
        }
        .category-intro-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16/9;
        }
        .category-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        /* Steps Cards */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .cards-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: var(--color-badge-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-md);
            font-size: 24px;
            color: var(--color-badge-text);
        }
        .card-title {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-sm);
        }
        .card-text {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        /* Checklist */
        .checklist-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-md);
        }
        .check-item {
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-md) var(--spacing-lg);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .check-item:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card);
        }
        .check-item .check-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-accent);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: var(--font-weight-bold);
            margin-top: 2px;
        }
        .check-item .check-content {
            font-size: var(--font-size-sm);
            color: var(--color-text-body);
            line-height: 1.7;
        }
        .check-item .check-content strong {
            color: var(--color-text-main);
            font-weight: var(--font-weight-semibold);
            display: block;
            margin-bottom: 2px;
        }
        /* Category Entry Grid */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .category-entry-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-lg);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .category-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .category-entry-card h4 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-sm);
        }
        .category-entry-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
        }
        .category-entry-card .entry-link {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .category-entry-card .entry-link:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item.open {
            background: var(--color-bg-muted);
            border-color: var(--color-border-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            text-align: left;
            gap: var(--spacing-sm);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition-base);
        }
        .faq-question .faq-arrow::before,
        .faq-question .faq-arrow::after {
            content: '';
            position: absolute;
            background: var(--color-text-muted);
            border-radius: 2px;
            transition: background var(--transition-fast);
        }
        .faq-question .faq-arrow::before {
            width: 12px;
            height: 2px;
            top: 9px;
            left: 4px;
        }
        .faq-question .faq-arrow::after {
            width: 2px;
            height: 12px;
            left: 9px;
            top: 4px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item.open .faq-arrow::after {
            opacity: 0;
        }
        .faq-answer {
            display: none;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.9;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* CMS List */
        .cms-list-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }
        .cms-list-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .cms-list-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .cms-list-card .cms-card-body {
            padding: var(--spacing-md) var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .cms-list-card .cms-card-tag {
            font-size: var(--font-size-xs);
            color: var(--color-badge-text);
            background: var(--color-badge-bg);
            border-radius: var(--radius-badge);
            padding: 2px 10px;
            display: inline-block;
            margin-bottom: var(--spacing-sm);
            align-self: flex-start;
        }
        .cms-list-card .cms-card-title {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            line-height: 1.5;
            margin-bottom: var(--spacing-sm);
        }
        .cms-list-card .cms-card-meta {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            margin-top: auto;
        }
        .cms-empty {
            background: var(--color-bg-muted);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            text-align: center;
            color: var(--color-text-muted);
            font-size: var(--font-size-sm);
        }
        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl) var(--spacing-xxl);
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            box-shadow: var(--shadow-card);
            margin-bottom: var(--spacing-section);
            border: 1px solid rgba(197,155,67,0.35);
        }
        .cta-section h2 {
            font-size: var(--font-size-section-title);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            font-size: var(--font-size-sm);
            color: rgba(245,243,238,0.75);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            align-items: flex-end;
        }
        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-muted);
            padding: var(--spacing-xl) 0;
            margin-top: var(--spacing-section);
        }
        .site-footer .container {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: var(--spacing-md);
        }
        .footer-bottom a {
            color: var(--color-accent);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-hover);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .nav-desktop {
                gap: var(--spacing-md);
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .cms-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-header-inner {
                grid-template-columns: 1fr;
            }
            .category-intro-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: var(--spacing-xl);
            }
            .cta-actions {
                align-items: flex-start;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --nav-height: 60px;
                --font-size-hero-title: 26px;
                --font-size-section-title: 20px;
            }
            .nav-desktop {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .cards-grid,
            .cards-grid-4,
            .cms-list-grid,
            .category-entry-grid,
            .checklist-grid {
                grid-template-columns: 1fr;
            }
            .category-header-inner {
                grid-template-columns: 1fr;
            }
            .category-header-left h1 {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: var(--spacing-xs);
            }
        }
        @media (max-width: 480px) {
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
            .category-header-left h1 {
                font-size: 22px;
            }
            .cta-section {
                padding: var(--spacing-lg);
            }
            .btn-lg {
                padding: 10px 20px;
                font-size: var(--font-size-sm);
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1A1D23;
            --color-accent: #C59B43;
            --color-accent-hover: #D4AF63;
            --color-accent-active: #B08D35;
            --color-bg: #F5F3EE;
            --color-bg-card: #FFFFFF;
            --color-bg-muted: #FBFAF7;
            --color-text-main: #1A1D23;
            --color-text-body: #2E3038;
            --color-text-muted: #6B6F76;
            --color-text-inverse: #F5F3EE;
            --color-badge-bg: #F5EEDC;
            --color-badge-text: #B08D35;
            --color-border: #E5E1D8;
            --color-border-hover: #C59B43;
            --color-border-soft: #ECEAE4;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --shadow-card: 0 4px 16px rgba(26,29,35,0.08);
            --shadow-card-hover: 0 12px 32px rgba(26,29,35,0.14);
            --shadow-cta: 0 8px 24px rgba(197,155,67,0.18);
            --font-size-xs: 13px;
            --font-size-sm: 14px;
            --font-size-base: 15px;
            --font-size-md: 16px;
            --font-size-card-title: 18px;
            --font-size-section-title: 24px;
            --font-size-article-title: 30px;
            --font-size-step-num: 40px;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-xxl: 48px;
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --max-width: 1200px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

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

        body {
            font-family: var(--font-family);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-normal);
            line-height: 1.7;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

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

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--color-text-main);
            font-weight: var(--font-weight-bold);
            line-height: 1.35;
            margin: 0;
        }

        p {
            margin: 0;
        }

        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }

        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
            color: var(--color-text-inverse);
        }

        .brand:hover,
        .brand:focus {
            color: var(--color-text-inverse);
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(197,155,67,0.18);
            border-radius: 8px;
            color: var(--color-accent);
        }

        .brand-icon svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .brand-text {
            font-size: 20px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            letter-spacing: 0.5px;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            margin-left: auto;
        }

        .nav-desktop a {
            color: var(--color-text-inverse);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width var(--transition-base);
        }

        .nav-desktop a:hover,
        .nav-desktop a:focus {
            color: var(--color-accent);
        }

        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

        .nav-desktop a.active {
            color: var(--color-accent);
        }

        .header-cta {
            flex-shrink: 0;
            margin-left: var(--spacing-sm);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--color-text-inverse);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: var(--color-primary);
            padding: var(--spacing-lg);
            flex-direction: column;
            gap: var(--spacing-md);
            z-index: 999;
            border-top: 1px solid rgba(255,255,255,0.08);
            box-shadow: 0 8px 20px rgba(0,0,0,0.18);
        }

        .mobile-menu a {
            color: var(--color-text-inverse);
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-medium);
            padding: 8px 0;
            display: block;
        }

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

        .mobile-menu .btn {
            margin-top: var(--spacing-xs);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            line-height: 1.5;
            text-align: center;
            white-space: nowrap;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            text-decoration: none;
            min-height: 44px;
        }

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

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

        .btn-primary:hover,
        .btn-primary:focus {
            background-color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
        }

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

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

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background-color: var(--color-border-soft);
            border-color: var(--color-text-main);
            color: var(--color-text-main);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: var(--font-size-xs);
            min-height: 36px;
        }

        .btn-outline-light {
            background-color: transparent;
            color: var(--color-text-inverse);
            border-color: rgba(255,255,255,0.5);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background-color: rgba(255,255,255,0.1);
            border-color: var(--color-text-inverse);
            color: var(--color-text-inverse);
        }

        /* ===== Sections ===== */
        section {
            padding: var(--spacing-section) 0;
        }

        .section-title {
            font-size: var(--font-size-section-title);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-md);
            line-height: 1.4;
        }

        .section-subtitle {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-xl);
            max-width: 720px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: var(--spacing-lg) 0;
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb-list {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
        }

        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }

        .breadcrumb-list li:not(:last-child)::after {
            content: '>';
            margin-left: var(--spacing-xs);
            color: var(--color-text-muted);
        }

        .breadcrumb-list a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-list a:hover,
        .breadcrumb-list a:focus {
            color: var(--color-accent);
        }

        .breadcrumb-list li[aria-current="page"] {
            color: var(--color-text-main);
            font-weight: var(--font-weight-medium);
        }

        /* ===== Article Header ===== */
        .article-header-section {
            padding: var(--spacing-xxl) 0 var(--spacing-xl);
            background-color: var(--color-bg);
        }

        .article-header-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .article-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--color-bg-muted);
        }

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

        .article-header-body {
            padding: var(--spacing-xl);
        }

        .article-header-body h1 {
            font-size: var(--font-size-article-title);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            line-height: 1.4;
            margin-bottom: var(--spacing-md);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: var(--spacing-md);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--color-border-soft);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
        }

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

        .article-meta .badge {
            background-color: var(--color-badge-bg);
            color: var(--color-badge-text);
            padding: 2px 10px;
            border-radius: var(--radius-badge);
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-medium);
            line-height: 1.6;
            display: inline-flex;
            align-items: center;
            height: 22px;
        }

        /* ===== Article Content ===== */
        .article-content-section {
            padding: var(--spacing-lg) 0 var(--spacing-xxl);
            background-color: var(--color-bg);
        }

        .article-body {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            font-size: var(--font-size-md);
            line-height: 1.8;
            color: var(--color-text-body);
        }

        .article-body h2 {
            font-size: 20px;
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin: var(--spacing-xl) 0 var(--spacing-md);
        }

        .article-body h3 {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .article-body p {
            margin-bottom: var(--spacing-lg);
        }

        .article-body img {
            border-radius: 8px;
            margin: var(--spacing-lg) 0;
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .article-body blockquote {
            border-left: 3px solid var(--color-accent);
            background-color: var(--color-bg-muted);
            padding: var(--spacing-md) var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            color: var(--color-text-muted);
            font-size: var(--font-size-sm);
        }

        .article-body ul,
        .article-body ol {
            margin: var(--spacing-md) 0 var(--spacing-lg);
            padding-left: var(--spacing-xl);
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: var(--spacing-xs);
        }

        .article-not-found {
            text-align: center;
            padding: var(--spacing-xxl) 0;
            color: var(--color-text-muted);
        }

        .article-not-found p {
            font-size: var(--font-size-md);
            margin-bottom: var(--spacing-lg);
        }

        /* ===== Related Articles ===== */
        .related-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
            border-top: 1px solid var(--color-border);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .related-card {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .related-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
        }

        .related-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            line-height: 1.5;
        }

        .related-card h3 a {
            color: var(--color-text-main);
            transition: color var(--transition-fast);
        }

        .related-card h3 a:hover,
        .related-card h3 a:focus {
            color: var(--color-accent);
        }

        .related-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-empty {
            text-align: center;
            padding: var(--spacing-xl) 0;
            color: var(--color-text-muted);
            font-size: var(--font-size-sm);
        }

        /* ===== Back Links ===== */
        .back-section {
            padding: var(--spacing-lg) 0;
            background-color: var(--color-bg);
            border-top: 1px solid var(--color-border);
        }

        .back-links {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-text-main);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            transition: all var(--transition-fast);
        }

        .back-link:hover,
        .back-link:focus {
            color: var(--color-accent);
            gap: 10px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg-muted);
            border-top: 1px solid var(--color-border);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-xl);
            max-width: 840px;
        }

        .faq-item {
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item[open] {
            background-color: var(--color-bg-muted);
            border-color: var(--color-border-hover);
        }

        .faq-item summary {
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 22px;
            font-weight: var(--font-weight-normal);
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

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

        .faq-item p {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg);
        }

        .cta-card {
            background-color: var(--color-primary);
            border: 1px solid rgba(197,155,67,0.3);
            border-radius: var(--radius-card);
            padding: var(--spacing-xxl);
            text-align: center;
            box-shadow: var(--shadow-cta);
        }

        .cta-card h2 {
            color: var(--color-text-inverse);
            font-size: var(--font-size-section-title);
            margin-bottom: var(--spacing-md);
        }

        .cta-card p {
            color: rgba(245,243,238,0.8);
            font-size: var(--font-size-sm);
            max-width: 560px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }

        /* ===== Comment Form ===== */
        .comment-section {
            padding: var(--spacing-section) 0;
            background-color: var(--color-bg-muted);
            border-top: 1px solid var(--color-border);
        }

        .comment-form {
            max-width: 640px;
            margin-top: var(--spacing-xl);
            background-color: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }

        .form-group label {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-text-main);
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            font-size: var(--font-size-sm);
            font-family: inherit;
            color: var(--color-text-body);
            background-color: var(--color-bg-card);
            transition: all var(--transition-fast);
        }

        .form-group input {
            height: 44px;
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(197,155,67,0.15);
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--color-text-muted);
            opacity: 0.7;
        }

        .comment-form .btn {
            align-self: flex-start;
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary);
            padding: var(--spacing-xxl) 0 var(--spacing-xl);
            color: var(--color-text-muted);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: var(--spacing-lg);
            font-size: var(--font-size-xs);
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --font-size-article-title: 28px;
            }

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

        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --spacing-section-mobile: 40px;
                --font-size-article-title: 24px;
                --font-size-section-title: 20px;
                --nav-height: 60px;
            }

            .nav-desktop {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

            .mobile-menu.is-open {
                display: flex;
            }

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

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

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

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

            .back-links {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .comment-form {
                padding: var(--spacing-lg);
            }

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

        @media (max-width: 480px) {
            :root {
                --font-size-article-title: 22px;
                --font-size-section-title: 18px;
                --spacing-section: 36px;
            }

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

            .brand-text {
                font-size: 18px;
            }

            .article-header-body h1 {
                font-size: var(--font-size-article-title);
            }

            .article-body {
                font-size: var(--font-size-sm);
            }

            .article-meta {
                gap: var(--spacing-xs);
            }

            .faq-item summary {
                padding: var(--spacing-sm) var(--spacing-md);
                font-size: var(--font-size-sm);
            }

            .faq-item p {
                padding: 0 var(--spacing-md) var(--spacing-md);
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A1D23;
            --color-accent: #C59B43;
            --color-accent-hover: #D4AF63;
            --color-accent-active: #B08D35;
            --color-bg: #F5F3EE;
            --color-bg-card: #FFFFFF;
            --color-bg-muted: #FBFAF7;
            --color-text-main: #1A1D23;
            --color-text-body: #2E3038;
            --color-text-muted: #6B6F76;
            --color-text-inverse: #F5F3EE;
            --color-badge-bg: #F5EEDC;
            --color-badge-text: #B08D35;
            --color-border: #E5E1D8;
            --color-border-hover: #C59B43;
            --color-border-soft: #ECEAE4;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --shadow-card: 0 4px 16px rgba(26,29,35,0.08);
            --shadow-card-hover: 0 12px 32px rgba(26,29,35,0.14);
            --shadow-cta: 0 8px 24px rgba(197,155,67,0.18);
            --font-size-xs: 13px;
            --font-size-sm: 14px;
            --font-size-base: 15px;
            --font-size-md: 16px;
            --font-size-card-title: 18px;
            --font-size-section-title: 24px;
            --font-size-hero-title: 36px;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-xxl: 48px;
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --max-width: 1200px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-normal);
            line-height: 1.7;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        a:hover, a:focus {
            color: var(--color-accent-hover);
            text-decoration: none;
            outline: none;
        }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }
        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0,0,0,0.12);
        }
        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(197,155,67,0.18);
            border-radius: 8px;
            border: 1px solid rgba(197,155,67,0.28);
        }
        .brand-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-accent);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .brand-text {
            font-size: 20px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            letter-spacing: 0.5px;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            margin-left: auto;
        }
        .nav-desktop a {
            color: rgba(245,243,238,0.78);
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-fast);
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            color: var(--color-accent);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }
        .header-cta {
            margin-left: var(--spacing-sm);
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: var(--font-weight-semibold);
            border-radius: var(--radius-btn);
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            border: 1px solid transparent;
            padding: 10px 18px;
            font-size: var(--font-size-sm);
            line-height: 1.4;
            text-align: center;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
            border-color: var(--color-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: var(--color-primary);
        }
        .btn-primary:active {
            background: var(--color-accent-active);
            border-color: var(--color-accent-active);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-text-main);
            border-color: var(--color-text-main);
        }
        .btn-outline:hover {
            background: var(--color-border-soft);
            border-color: var(--color-text-main);
            color: var(--color-text-main);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--color-text-inverse);
            border-color: rgba(245,243,238,0.65);
        }
        .btn-outline-light:hover {
            background: rgba(245,243,238,0.08);
            border-color: var(--color-text-inverse);
            color: var(--color-text-inverse);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: var(--font-size-xs);
            border-radius: 6px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            flex-shrink: 0;
        }
        .hamburger span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--color-text-inverse);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--color-primary);
            padding: var(--spacing-md) var(--spacing-lg) var(--spacing-lg);
            flex-direction: column;
            gap: var(--spacing-sm);
            z-index: 999;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: rgba(245,243,238,0.82);
            padding: 10px 0;
            border-bottom: 1px solid rgba(245,243,238,0.08);
            font-size: var(--font-size-md);
        }
        .mobile-menu a.active,
        .mobile-menu a:hover {
            color: var(--color-accent);
        }
        .mobile-menu .btn {
            margin-top: var(--spacing-sm);
        }
        /* ===== Section base ===== */
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .section-alt {
            background: var(--color-bg-card);
        }
        .section-dark {
            background: var(--color-primary);
            color: var(--color-text-inverse);
        }
        .section-caption {
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-semibold);
            color: var(--color-accent);
            letter-spacing: 1.2px;
            text-transform: uppercase;
            display: block;
            margin-bottom: var(--spacing-sm);
        }
        .section-title {
            font-size: var(--font-size-section-title);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.3;
        }
        .section-lead {
            font-size: var(--font-size-base);
            color: var(--color-text-muted);
            margin: 0 0 var(--spacing-xl);
            max-width: 780px;
            line-height: 1.8;
        }
        .section-dark .section-title {
            color: var(--color-text-inverse);
        }
        .section-dark .section-lead {
            color: rgba(245,243,238,0.7);
        }
        /* ===== Page hero ===== */
        .page-hero {
            padding-top: 56px;
            padding-bottom: 40px;
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border);
        }
        .page-hero .breadcrumb-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-md);
        }
        .page-hero .breadcrumb-row a {
            color: var(--color-text-muted);
        }
        .page-hero .breadcrumb-row a:hover {
            color: var(--color-accent);
        }
        .page-hero .breadcrumb-row .sep {
            color: var(--color-text-muted);
            opacity: 0.6;
        }
        .page-hero h1 {
            font-size: var(--font-size-hero-title);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            margin: 0 0 var(--spacing-md);
            line-height: 1.25;
        }
        .page-hero .hero-desc {
            font-size: var(--font-size-base);
            color: var(--color-text-muted);
            max-width: 820px;
            line-height: 1.85;
            margin: 0;
        }
        .page-hero .accent-line {
            width: 56px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: var(--spacing-lg);
        }
        /* ===== Info blocks ===== */
        .info-copy p {
            font-size: var(--font-size-base);
            color: var(--color-text-body);
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }
        .info-copy p:last-child {
            margin-bottom: 0;
        }
        .info-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
        }
        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            counter-reset: step;
        }
        .step-card {
            position: relative;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .step-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .step-num {
            font-size: 44px;
            font-weight: var(--font-weight-bold);
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: var(--spacing-md);
            letter-spacing: -1px;
        }
        .step-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin: 0 0 var(--spacing-xs);
            line-height: 1.4;
        }
        .step-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .step-tag {
            display: inline-block;
            background: var(--color-badge-bg);
            color: var(--color-badge-text);
            border-radius: var(--radius-badge);
            padding: 2px 10px;
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-medium);
            margin-bottom: var(--spacing-sm);
        }
        /* ===== Benefit cards ===== */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .benefit-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .benefit-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .benefit-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(197,155,67,0.12);
            border: 1px solid rgba(197,155,67,0.25);
            margin-bottom: var(--spacing-md);
        }
        .benefit-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-accent);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .benefit-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin: 0 0 var(--spacing-xs);
            line-height: 1.4;
        }
        .benefit-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        /* ===== News cards ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .news-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .news-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .news-card a {
            display: block;
            padding: var(--spacing-lg);
            color: inherit;
        }
        .news-card a:hover {
            color: inherit;
        }
        .news-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.45;
        }
        .news-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            margin: 0 0 var(--spacing-md);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            border-top: 1px solid var(--color-border-soft);
            padding-top: var(--spacing-sm);
        }
        .news-meta .badge {
            background: var(--color-badge-bg);
            color: var(--color-badge-text);
            border-radius: var(--radius-badge);
            padding: 2px 10px;
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-medium);
        }
        .news-empty {
            background: var(--color-bg-muted);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xxl);
            text-align: center;
            color: var(--color-text-muted);
            font-size: var(--font-size-base);
        }
        .view-more-wrap {
            text-align: center;
            margin-top: var(--spacing-xl);
        }
        .view-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-accent);
            transition: all var(--transition-fast);
        }
        .view-more .arrow {
            transition: transform var(--transition-fast);
        }
        .view-more:hover .arrow {
            transform: translateX(4px);
        }
        /* ===== Time cards ===== */
        .time-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .time-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .time-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .time-card .time-value {
            font-size: 28px;
            font-weight: var(--font-weight-bold);
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: var(--spacing-xs);
        }
        .time-card h3 {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin: 0 0 var(--spacing-xs);
            line-height: 1.4;
        }
        .time-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 820px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-item.active {
            background: var(--color-bg-muted);
            border-color: var(--color-border-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            padding: var(--spacing-md) var(--spacing-lg);
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: all var(--transition-base);
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.8;
        }
        /* ===== CTA ===== */
        .cta-panel {
            background: var(--color-primary);
            border-radius: var(--radius-card);
            padding: var(--spacing-xxl) var(--spacing-xl);
            text-align: center;
            box-shadow: var(--shadow-cta);
            border: 1px solid rgba(197,155,67,0.25);
        }
        .cta-panel h2 {
            font-size: 28px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            margin: 0 0 var(--spacing-sm);
            line-height: 1.3;
        }
        .cta-panel p {
            font-size: var(--font-size-base);
            color: rgba(245,243,238,0.75);
            max-width: 640px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.8;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary);
            padding: var(--spacing-xl) 0;
            border-top: 1px solid rgba(245,243,238,0.08);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-bottom a {
            color: var(--color-accent);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-hover);
        }
        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --font-size-hero-title: 30px;
                --font-size-section-title: 20px;
            }
            .nav-desktop {
                gap: var(--spacing-lg);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .time-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --nav-height: 60px;
                --font-size-hero-title: 26px;
                --font-size-section-title: 20px;
            }
            .nav-desktop, .header-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .brand-text {
                font-size: 17px;
            }
            .page-hero {
                padding-top: 40px;
                padding-bottom: 32px;
            }
            .steps-grid,
            .benefit-grid,
            .time-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: var(--spacing-xl) var(--spacing-md);
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-xs);
            }
        }
        @media (max-width: 480px) {
            :root {
                --font-size-hero-title: 22px;
                --spacing-section: 36px;
            }
            .container {
                padding-left: var(--spacing-sm);
                padding-right: var(--spacing-sm);
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1A1D23;
            --color-accent: #C59B43;
            --color-accent-hover: #D4AF63;
            --color-accent-active: #B08D35;
            --color-bg: #F5F3EE;
            --color-bg-card: #FFFFFF;
            --color-bg-muted: #FBFAF7;
            --color-text-main: #1A1D23;
            --color-text-body: #2E3038;
            --color-text-muted: #6B6F76;
            --color-text-inverse: #F5F3EE;
            --color-badge-bg: #F5EEDC;
            --color-badge-text: #B08D35;
            --color-border: #E5E1D8;
            --color-border-hover: #C59B43;
            --color-border-soft: #ECEAE4;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-badge: 4px;
            --shadow-card: 0 4px 16px rgba(26,29,35,0.08);
            --shadow-card-hover: 0 12px 32px rgba(26,29,35,0.14);
            --shadow-cta: 0 8px 24px rgba(197,155,67,0.18);
            --font-size-xs: 13px;
            --font-size-sm: 14px;
            --font-size-base: 15px;
            --font-size-md: 16px;
            --font-size-card-title: 18px;
            --font-size-section-title: 24px;
            --font-size-hero-title: 36px;
            --font-size-step-num: 40px;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --spacing-xs: 8px;
            --spacing-sm: 12px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-xxl: 48px;
            --spacing-section: 64px;
            --spacing-section-mobile: 40px;
            --nav-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.45s ease;
            --max-width: 1200px;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-normal);
            line-height: 1.7;
            color: var(--color-text-body);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding-top: var(--nav-height);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        a:hover,
        a:focus {
            color: var(--color-accent-hover);
            text-decoration: none;
            outline: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
        }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            font-weight: var(--font-weight-bold);
            line-height: 1.3;
            color: var(--color-text-main);
        }
        p {
            margin: 0;
        }
        ul, ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: var(--spacing-lg);
            padding-right: var(--spacing-lg);
        }
        .section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }
        .section-title {
            font-size: var(--font-size-section-title);
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-xl);
            line-height: 1.8;
        }
        .section-head {
            margin-bottom: var(--spacing-xl);
        }
        .section-head .section-title {
            margin-bottom: var(--spacing-xs);
        }
        .section-divider {
            width: 56px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-top: var(--spacing-sm);
            margin-bottom: var(--spacing-md);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: var(--nav-height);
            background-color: var(--color-primary);
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.12);
        }
        .site-header .container {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-lg);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-shrink: 0;
            color: var(--color-text-inverse);
        }
        .brand:hover,
        .brand:focus {
            color: var(--color-text-inverse);
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(197,155,67,0.18);
            border-radius: 8px;
        }
        .brand-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-accent);
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .brand-text {
            font-size: 20px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: var(--spacing-xl);
            margin-left: auto;
        }
        .nav-desktop a {
            position: relative;
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-medium);
            color: rgba(245,243,238,0.82);
            padding: 6px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-desktop a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-base);
            border-radius: 1px;
        }
        .nav-desktop a:hover,
        .nav-desktop a:focus {
            color: var(--color-accent);
        }
        .nav-desktop a:hover::after,
        .nav-desktop a:focus::after {
            width: 100%;
        }
        .nav-desktop a.active {
            color: var(--color-accent);
            font-weight: var(--font-weight-semibold);
        }
        .nav-desktop a.active::after {
            width: 100%;
        }
        .header-cta {
            flex-shrink: 0;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
            border-radius: 8px;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text-inverse);
            border-radius: 2px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .hamburger:hover span {
            background: var(--color-accent);
        }
        .hamburger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .hamburger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: var(--color-primary);
            padding: var(--spacing-lg);
            flex-direction: column;
            gap: var(--spacing-sm);
            z-index: 999;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-medium);
            color: rgba(245,243,238,0.85);
            padding: var(--spacing-sm);
            border-radius: 8px;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a:focus {
            color: var(--color-accent);
            background: rgba(197,155,67,0.08);
        }
        .mobile-menu a.active {
            color: var(--color-accent);
            background: rgba(197,155,67,0.12);
            font-weight: var(--font-weight-semibold);
        }
        .mobile-menu .btn {
            margin-top: var(--spacing-xs);
            text-align: center;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-xs);
            font-family: inherit;
            font-size: var(--font-size-base);
            font-weight: var(--font-weight-semibold);
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: var(--color-primary);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--color-accent-hover);
            color: var(--color-primary);
            box-shadow: var(--shadow-cta);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            background: var(--color-accent-active);
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--color-text-main);
            border-color: var(--color-text-main);
        }
        .btn-outline-dark:hover,
        .btn-outline-dark:focus {
            background: var(--color-border-soft);
            color: var(--color-text-main);
            border-color: var(--color-text-main);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--color-text-inverse);
            border-color: rgba(245,243,238,0.6);
        }
        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(245,243,238,0.1);
            color: var(--color-text-inverse);
            border-color: var(--color-accent);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: var(--font-size-sm);
            border-radius: 6px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: var(--font-size-md);
        }

        /* ===== Badge ===== */
        .badge-custom {
            display: inline-flex;
            align-items: center;
            height: 22px;
            padding: 0 10px;
            background: var(--color-badge-bg);
            color: var(--color-badge-text);
            border-radius: var(--radius-badge);
            font-size: var(--font-size-xs);
            font-weight: var(--font-weight-medium);
            line-height: 1;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar a:hover,
        .breadcrumb-bar a:focus {
            color: var(--color-accent);
        }
        .breadcrumb-bar .separator {
            color: var(--color-text-muted);
            opacity: 0.6;
            user-select: none;
        }
        .breadcrumb-bar .current {
            color: var(--color-text-main);
            font-weight: var(--font-weight-medium);
        }

        /* ===== Category Hero (not homepage hero) ===== */
        .category-hero {
            background: var(--color-bg);
            padding-top: 56px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--color-border);
        }
        .category-hero .container {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }
        .category-hero-left {
            flex: 1;
            min-width: 280px;
            max-width: 680px;
        }
        .category-hero-left h1 {
            font-size: 32px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.01em;
        }
        .category-hero-left p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }
        .category-hero .accent-line {
            width: 64px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: var(--spacing-lg);
        }
        .category-hero-right {
            flex-shrink: 0;
            padding-top: 8px;
        }

        /* ===== Info / Intro Section ===== */
        .info-section {
            background: var(--color-bg);
        }
        .info-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
        }
        .info-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            aspect-ratio: 16 / 10;
        }
        .info-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-text h3 {
            font-size: 20px;
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--spacing-md);
            color: var(--color-text-main);
        }
        .info-text p {
            font-size: var(--font-size-base);
            color: var(--color-text-body);
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
        }
        .info-text p:last-child {
            margin-bottom: 0;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .card-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .info-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .info-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(197,155,67,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: var(--spacing-md);
            color: var(--color-accent);
            font-size: 22px;
            font-weight: var(--font-weight-bold);
        }
        .info-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--spacing-sm);
            color: var(--color-text-main);
        }
        .info-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.75;
        }

        /* ===== Comparison Table Cards ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .compare-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
        }
        .compare-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .compare-card .ratio-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-semibold);
            color: var(--color-accent);
            background: var(--color-badge-bg);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: var(--spacing-md);
        }
        .compare-card h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--spacing-sm);
            color: var(--color-text-main);
        }
        .compare-card .fee-number {
            font-size: 28px;
            font-weight: var(--font-weight-bold);
            color: var(--color-primary);
            margin-bottom: var(--spacing-xs);
        }
        .compare-card .fee-number span {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-normal);
            color: var(--color-text-muted);
        }
        .compare-card ul {
            margin-top: var(--spacing-md);
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-md);
        }
        .compare-card ul li {
            font-size: var(--font-size-sm);
            color: var(--color-text-body);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
        }
        .compare-card ul li::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* ===== Calculator Section ===== */
        .calculator-section {
            background: var(--color-primary);
        }
        .calculator-section .section-title,
        .calculator-section .section-subtitle {
            color: var(--color-text-inverse);
        }
        .calculator-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            background: var(--color-bg-card);
            border-radius: 16px;
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card-hover);
        }
        .calculator-form .form-group {
            margin-bottom: var(--spacing-lg);
        }
        .calculator-form label {
            display: block;
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-xs);
        }
        .calculator-form .input-wrap {
            position: relative;
        }
        .calculator-form input,
        .calculator-form select {
            width: 100%;
            height: 44px;
            padding: 0 var(--spacing-md);
            font-size: var(--font-size-base);
            font-family: inherit;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            background: var(--color-bg);
            color: var(--color-text-main);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            -webkit-appearance: none;
            appearance: none;
        }
        .calculator-form select {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B6F76' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 40px;
        }
        .calculator-form input:focus,
        .calculator-form select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(197,155,67,0.15);
        }
        .calculator-form .input-suffix {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            pointer-events: none;
        }
        .calculator-result {
            background: var(--color-bg-muted);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .calculator-result h4 {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            margin-bottom: var(--spacing-md);
        }
        .result-item {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--color-border-soft);
            font-size: var(--font-size-sm);
            color: var(--color-text-body);
        }
        .result-item:last-child {
            border-bottom: none;
        }
        .result-item .amount {
            font-size: 22px;
            font-weight: var(--font-weight-bold);
            color: var(--color-primary);
        }
        .result-item .amount.highlight {
            color: var(--color-accent);
            font-size: 26px;
        }
        .result-note {
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            margin-top: var(--spacing-sm);
            line-height: 1.7;
        }

        /* ===== Alert / Warning Section ===== */
        .warning-section {
            background: var(--color-bg-muted);
        }
        .warning-box {
            background: var(--color-bg-card);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-card);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
        }
        .warning-box h3 {
            font-size: var(--font-size-card-title);
            font-weight: var(--font-weight-semibold);
            margin-bottom: var(--spacing-md);
            color: var(--color-text-main);
        }
        .warning-list li {
            font-size: var(--font-size-sm);
            color: var(--color-text-body);
            line-height: 1.85;
            padding-left: 20px;
            position: relative;
            margin-bottom: var(--spacing-sm);
        }
        .warning-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }
        .warning-list li:last-child {
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            width: 100%;
            padding: var(--spacing-md) var(--spacing-lg);
            text-align: left;
            background: transparent;
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            color: var(--color-text-main);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            transition: transform var(--transition-base), color var(--transition-fast);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow), background-color var(--transition-slow);
            background: var(--color-bg-muted);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 var(--spacing-lg) var(--spacing-lg);
            font-size: var(--font-size-sm);
            color: var(--color-text-body);
            line-height: 1.85;
        }
        .faq-item.open .faq-answer-inner {
            padding-top: var(--spacing-sm);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--color-primary);
            border-top: 2px solid rgba(197,155,67,0.35);
        }
        .cta-content {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 26px;
            font-weight: var(--font-weight-bold);
            color: var(--color-text-inverse);
            margin-bottom: var(--spacing-md);
        }
        .cta-content p {
            font-size: var(--font-size-base);
            color: rgba(245,243,238,0.75);
            line-height: 1.85;
            margin-bottom: var(--spacing-xl);
        }
        .cta-buttons {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== News List ===== */
        .news-section {
            background: var(--color-bg);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .news-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-border-hover);
        }
        .news-card .news-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-border-soft);
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: var(--spacing-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
            flex-wrap: wrap;
        }
        .news-card .news-meta .badge-custom {
            height: 20px;
            padding: 0 8px;
            font-size: 11px;
        }
        .news-card h3 {
            font-size: var(--font-size-md);
            font-weight: var(--font-weight-semibold);
            line-height: 1.5;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text-main);
        }
        .news-card h3 a {
            color: var(--color-text-main);
            transition: color var(--transition-fast);
        }
        .news-card h3 a:hover,
        .news-card h3 a:focus {
            color: var(--color-accent);
        }
        .news-card .news-excerpt {
            font-size: var(--font-size-sm);
            color: var(--color-text-muted);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: var(--spacing-md);
            flex: 1;
        }
        .news-card .news-link {
            font-size: var(--font-size-sm);
            font-weight: var(--font-weight-medium);
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }
        .news-card .news-link:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }
        .news-empty {
            text-align: center;
            padding: var(--spacing-xl);
            color: var(--color-text-muted);
            font-size: var(--font-size-sm);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary);
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-top: 1px solid rgba(197,155,67,0.15);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            font-size: var(--font-size-xs);
            color: var(--color-text-muted);
        }
        .footer-bottom p {
            margin: 0;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover,
        .footer-bottom a:focus {
            color: var(--color-accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
                --font-size-hero-title: 30px;
            }
            .nav-desktop {
                gap: var(--spacing-md);
            }
            .nav-desktop a {
                font-size: var(--font-size-sm);
            }
            .card-grid,
            .compare-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.two-col {
                grid-template-columns: 1fr;
            }
            .info-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .calculator-wrap {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 40px;
                --font-size-hero-title: 26px;
                --font-size-section-title: 20px;
                --nav-height: 60px;
            }
            body {
                padding-top: var(--nav-height);
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .mobile-menu .btn {
                display: inline-flex;
            }
            .category-hero .container {
                flex-direction: column;
                gap: var(--spacing-md);
            }
            .category-hero-left h1 {
                font-size: 24px;
            }
            .card-grid,
            .compare-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .info-card,
            .compare-card {
                padding: var(--spacing-lg);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-content h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 480px) {
            :root {
                --font-size-hero-title: 22px;
                --font-size-section-title: 18px;
                --spacing-section: 36px;
            }
            .container {
                padding-left: var(--spacing-md);
                padding-right: var(--spacing-md);
            }
            .calculator-wrap {
                padding: var(--spacing-lg);
            }
            .cta-buttons {
                flex-direction: column;
            }
            .btn-lg {
                width: 100%;
            }
            .compare-card .fee-number {
                font-size: 22px;
            }
        }