/* roulang page: index */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-primary);
            line-height: 1.3;
            font-weight: 700;
        }

        h1 {
            font-size: 2.75rem;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.9rem;
            letter-spacing: -0.3px;
        }
        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.4;
        }
        p {
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }
        .site-header.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 20px;
        }
        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .header-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }
        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }
        .header-nav a:hover::after {
            transform: scaleX(1);
        }
        .header-nav a.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .header-nav a.active::after {
            transform: scaleX(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 2px solid transparent;
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.3px;
            line-height: 1.4;
            user-select: none;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn-outline {
            background: transparent;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }
        .btn-primary {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
            box-shadow: 0 4px 14px rgba(200, 168, 110, 0.35);
        }
        .btn-lg {
            padding: 13px 28px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 3px;
            transition: all var(--transition-fast);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }
        .mobile-menu-overlay.active {
            display: flex;
        }
        .mobile-menu-overlay a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            padding: 10px 20px;
            border-radius: var(--radius);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .mobile-menu-overlay a:hover {
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.06);
        }
        .mobile-menu-overlay .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 10px;
            width: 100%;
            max-width: 300px;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 30%;
            margin-top: 0;
            padding-top: 64px;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.55) 0%, rgba(26, 26, 26, 0.7) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 80px 0;
            max-width: 680px;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #fff;
            letter-spacing: 0.3px;
        }
        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .hero h1 {
            color: #fff;
            font-size: 3rem;
            margin-bottom: 18px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 560px;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .hero .btn-outline {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .hero .btn-outline:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
        }
        .hero .btn-primary {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
        }
        .hero .btn-primary:hover {
            background: #fff;
            border-color: #fff;
            color: var(--color-primary);
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 30px;
            right: 40px;
            z-index: 2;
            width: 40px;
            height: 40px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: floatUpDown 2s ease-in-out infinite;
            cursor: pointer;
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.2rem;
        }
        @keyframes floatUpDown {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .metric-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--color-accent);
            text-shadow: 0 1px 3px rgba(200, 168, 110, 0.2);
            margin-bottom: 8px;
            line-height: 1;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* Sell Points Trio */
        .sell-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .sell-point-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .sell-point-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .sell-point-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(200, 168, 110, 0.12);
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--color-accent);
        }
        .sell-point-card h3 {
            margin-bottom: 8px;
            font-size: 1.2rem;
        }
        .sell-point-card p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.6;
        }

        /* Service Matrix */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
            min-height: 260px;
            border: 1px solid transparent;
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-accent);
        }
        .service-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(200, 168, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .service-card h3 {
            margin: 0;
            font-size: 1.15rem;
        }
        .service-card p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.5;
            flex: 1;
        }
        .service-card .service-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .service-card .service-link:hover {
            gap: 8px;
            text-decoration: underline;
            color: var(--color-accent-hover);
        }

        /* Brand Intro */
        .brand-intro-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .brand-intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .brand-intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .brand-intro-text h2 {
            margin-bottom: 16px;
        }
        .brand-intro-text p {
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 10px;
            font-size: 0.98rem;
        }

        /* Scene Demo */
        .scene-demo {
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            padding: 100px 0;
            color: #fff;
        }
        .scene-demo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(26, 26, 26, 0.78);
            z-index: 1;
        }
        .scene-demo .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .scene-demo h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .scene-demo .section-subtitle {
            color: rgba(255, 255, 255, 0.85);
        }
        .scene-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .scene-step {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .scene-step:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }
        .scene-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .scene-step h3 {
            color: #fff;
            margin-bottom: 6px;
            font-size: 1.05rem;
        }
        .scene-step p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            margin: 0;
            line-height: 1.5;
        }

        /* Comparison */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-width: 700px;
        }
        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            text-align: center;
        }
        .comparison-table thead th.col-bad {
            background: #5a5a5a;
        }
        .comparison-table thead th.col-good {
            background: var(--color-accent);
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .comparison-table tbody tr:nth-child(even) td {
            background: #fafafa;
        }
        .comparison-table .td-bad {
            background: #f5f5f5 !important;
            color: var(--color-warning);
            font-weight: 500;
        }
        .comparison-table .td-good {
            color: var(--color-success);
            font-weight: 600;
        }
        .arrow-up {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .arrow-down {
            color: var(--color-warning);
            font-size: 1.1rem;
        }

        /* Package Comparison */
        .package-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .package-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            border: 2px solid transparent;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            text-align: center;
            position: relative;
        }
        .package-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .package-card.featured {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 1;
        }
        .package-card.featured:hover {
            transform: scale(1.03) translateY(-6px);
        }
        .package-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .package-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .package-price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 16px;
        }
        .package-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }
        .package-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
            text-align: left;
        }
        .package-features li {
            padding: 7px 0;
            font-size: 0.88rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .package-features li::before {
            content: '✓';
            color: var(--color-success);
            font-weight: 700;
            flex-shrink: 0;
        }
        .package-card .btn {
            width: 100%;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 40px;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            opacity: 0.4;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 28px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
        }
        .timeline-date {
            font-size: 0.85rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .timeline-item h3 {
            margin-bottom: 4px;
            font-size: 1.1rem;
        }
        .timeline-item p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin: 0;
        }

        /* Social Proof */
        .social-proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .social-proof-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .social-proof-item:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }
        .social-proof-item .proof-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--color-accent);
        }
        .social-proof-item h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--color-primary);
        }
        .social-proof-item p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* News */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
            max-width: 900px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 24px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border-left: 3px solid transparent;
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            border-left-color: var(--color-accent);
            transform: translateX(4px);
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
            min-width: 90px;
            padding-top: 2px;
        }
        .news-content h3 {
            font-size: 1rem;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-content h3 a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .news-content h3 a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }
        .news-content p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-readmore:hover {
            gap: 8px;
            text-decoration: underline;
            color: var(--color-accent-hover);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: #fff;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 168, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--color-accent);
            transition: transform var(--transition);
            font-weight: 700;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: #f9f9f9;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer-inner {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            padding-top: 4px;
        }

        /* CTA Form */
        .cta-form-wrapper {
            max-width: 600px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
        }
        .cta-form-wrapper h2 {
            text-align: center;
            margin-bottom: 8px;
        }
        .cta-form-wrapper .form-subtitle {
            text-align: center;
            color: var(--color-text-muted);
            margin-bottom: 28px;
            font-size: 0.9rem;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: #fff;
            color: var(--color-text);
            line-height: 1.5;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 168, 110, 0.12);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-checkbox-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .form-checkbox-row input[type="checkbox"] {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 2px;
            accent-color: var(--color-accent);
            cursor: pointer;
        }
        .form-checkbox-row a {
            color: var(--color-accent);
            text-decoration: underline;
        }
        .cta-form-wrapper .btn {
            width: 100%;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-decoration: none;
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }
        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.25);
        }

        /* Skeleton */
        .skeleton {
            background: linear-gradient(90deg, #eee 25%, #f5f5f5 50%, #eee 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: var(--radius);
        }
        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .package-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .package-card.featured {
                transform: scale(1);
                grid-column: span 2;
            }
            .package-card.featured:hover {
                transform: scale(1) translateY(-6px);
            }
            .brand-intro-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .scene-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .sell-points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero {
                min-height: 70vh;
            }
            .header-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-actions {
                gap: 6px;
            }
            .header-actions .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .sell-points-grid {
                grid-template-columns: 1fr;
            }
            .package-grid {
                grid-template-columns: 1fr;
            }
            .package-card.featured {
                grid-column: span 1;
                transform: scale(1);
            }
            .package-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .metric-number {
                font-size: 2.2rem;
            }
            .scene-steps {
                grid-template-columns: 1fr;
            }
            .social-proof-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .comparison-table-wrap {
                font-size: 0.8rem;
            }
            .cta-form-wrapper {
                padding: 28px 20px;
            }
            .hero-scroll-indicator {
                display: none;
            }
            .brand-intro-image img {
                height: 240px;
            }
            .timeline {
                padding-left: 28px;
            }
            .timeline::before {
                left: 12px;
            }
            .timeline-item {
                padding-left: 20px;
            }
            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero {
                min-height: 60vh;
            }
            .hero-content {
                padding: 60px 0;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 20px 12px;
            }
            .metric-number {
                font-size: 1.8rem;
            }
            .social-proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .btn-lg {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .header-inner {
                height: 56px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-actions .btn {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }

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

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .header-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }

        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }

        .header-nav a:hover::after {
            transform: scaleX(1);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 2px solid transparent;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:hover {
            text-decoration: none;
            transform: scale(1.02);
        }

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

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
        }

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

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

        .btn-lg {
            padding: 14px 28px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

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

        .page-header .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .page-header .breadcrumb a {
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .page-header .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .page-header .breadcrumb span {
            color: var(--color-text-light);
        }

        .page-header .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .page-header .page-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 800px;
            line-height: 1.7;
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

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

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 24px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--color-border-light);
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }

        .card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.1);
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            text-decoration: none;
            align-self: flex-start;
        }

        .card-link:hover {
            gap: 8px;
            color: var(--color-accent-hover);
            text-decoration: none;
        }

        .card-link::after {
            content: '→';
            font-size: 1rem;
            transition: transform var(--transition-fast);
        }

        .card-link:hover::after {
            transform: translateX(3px);
        }

        /* Tech Feature Row */
        .tech-feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .tech-feature-img {
            width: 100%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .tech-feature-img img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }

        .tech-feature-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .tech-feature-content p {
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .tech-feature-list {
            list-style: none;
            padding: 0;
        }

        .tech-feature-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--color-text);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .tech-feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .stats-bar .stat-item {
            text-align: center;
            padding: 32px 20px;
            color: #fff;
            border-right: 1px solid rgba(255, 255, 255, 0.15);
        }

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

        .stats-bar .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stats-bar .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: #fff;
            border: none;
            padding: 18px 20px 18px 0;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition-fast);
            line-height: 1.5;
            font-family: var(--font-family);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            font-weight: 700;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }

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

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 18px;
        }

        .faq-answer-inner {
            padding: 0 20px 0 0;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            font-size: 1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .btn {
            font-size: 1rem;
            padding: 14px 32px;
        }

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

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

        .cta-section .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            margin-left: 12px;
        }

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

        /* Form */
        .form-container {
            max-width: 560px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
        }

        .form-group {
            margin-bottom: 18px;
            text-align: left;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            font-size: 0.9rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #DDD;
            border-radius: var(--radius);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-form-bg);
            color: var(--color-text);
            font-family: var(--font-family);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 168, 110, 0.15);
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .privacy-check {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            text-align: left;
            margin-bottom: 18px;
        }

        .privacy-check input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--color-accent);
            flex-shrink: 0;
            margin-top: 2px;
            cursor: pointer;
        }

        .privacy-check a {
            color: var(--color-accent);
            text-decoration: underline;
            font-weight: 500;
        }

        .form-container .btn-primary {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 2;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom .sep {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.3);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .card-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            .tech-feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar .stat-item {
                border-right: 1px solid rgba(255, 255, 255, 0.15);
                border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            }
            .stats-bar .stat-item:nth-child(2) {
                border-right: none;
            }
            .stats-bar .stat-item:nth-child(3),
            .stats-bar .stat-item:nth-child(4) {
                border-bottom: none;
            }
            .stats-bar .stat-item:nth-child(4) {
                border-right: none;
            }
            .page-header h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 56px;
            }
            .header-inner {
                height: 56px;
            }
            .header-nav {
                position: fixed;
                top: 56px;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                justify-content: flex-start;
                padding: 24px;
                gap: 4px;
                transform: translateX(100%);
                transition: transform var(--transition-slow);
                z-index: 999;
                overflow-y: auto;
            }
            .header-nav.open {
                transform: translateX(0);
            }
            .header-nav a {
                display: block;
                padding: 14px 16px;
                font-size: 1.05rem;
                border-radius: var(--radius);
                width: 100%;
                text-align: left;
            }
            .header-nav a::after {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-actions {
                gap: 6px;
            }
            .header-actions .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .page-header h1 {
                font-size: 1.65rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section .btn-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .form-container {
                padding: 24px 18px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            .header-actions .btn-outline {
                display: none;
            }
            .header-actions .btn {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .page-header h1 {
                font-size: 1.4rem;
            }
            .stats-bar {
                grid-template-columns: 1fr;
            }
            .stats-bar .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.15);
            }
            .stats-bar .stat-item:last-child {
                border-bottom: none;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .card-title {
                font-size: 1.05rem;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-bg-warm: #FAF8F5;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }

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

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }

        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }

        .header-nav a:hover::after {
            transform: scaleX(1);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
            text-decoration: none;
            gap: 6px;
            line-height: 1.4;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
            box-shadow: var(--shadow);
        }

        .btn-lg {
            padding: 13px 28px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        .btn-block {
            width: 100%;
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
            align-items: center;
            justify-content: center;
        }

        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Page Header (分类页页头条) */
        .page-header {
            background: var(--color-bg-warm);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .page-header .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .page-header .breadcrumb a {
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .page-header .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .page-header .breadcrumb .separator {
            color: var(--color-border);
            user-select: none;
        }

        .page-header .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin: 0 0 12px;
        }

        .page-header .page-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 720px;
        }

        /* Stats Strip */
        .stats-strip {
            background: var(--color-bg);
            padding: 32px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .stats-strip .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stats-strip .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .stats-strip .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-primary);
            text-align: center;
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-bottom: 48px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        /* Service Cards Grid */
        .service-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--color-border-light);
        }

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

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

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

        .service-card:hover .card-img img {
            transform: scale(1.04);
        }

        .service-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
        }

        .service-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .service-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .service-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
            margin-top: auto;
        }

        .service-card .card-body .card-link:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }

        .service-card .card-body .card-link .arrow {
            transition: transform var(--transition-fast);
        }

        .service-card .card-body .card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition);
            position: relative;
        }

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

        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .process-step h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .process-step p {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        /* Advantage Compare */
        .advantage-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .advantage-compare .compare-col {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--color-border-light);
        }

        .advantage-compare .compare-col.traditional {
            background: #F8F6F3;
            border-left: 3px solid #C0B8A8;
        }

        .advantage-compare .compare-col.crown {
            border-left: 3px solid var(--color-accent);
        }

        .advantage-compare .compare-col h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .advantage-compare .compare-col.traditional h4 {
            color: #8B7D6B;
        }

        .advantage-compare .compare-col.crown h4 {
            color: var(--color-accent);
        }

        .advantage-compare .compare-col ul {
            list-style: none;
            padding: 0;
        }

        .advantage-compare .compare-col ul li {
            padding: 8px 0;
            font-size: 0.95rem;
            color: var(--color-text);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
            border-bottom: 1px solid var(--color-border-light);
        }

        .advantage-compare .compare-col ul li:last-child {
            border-bottom: none;
        }

        .advantage-compare .compare-col ul li .icon {
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 1rem;
        }

        .advantage-compare .compare-col.traditional ul li .icon {
            color: #A09484;
        }

        .advantage-compare .compare-col.crown ul li .icon {
            color: var(--color-success);
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
            font-family: inherit;
            line-height: 1.5;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-text-muted);
            transition: all var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            background: #F9F9F9;
            border-radius: var(--radius);
            margin-bottom: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            margin-bottom: 12px;
        }

        .faq-answer-inner {
            padding: 0 16px;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer-inner {
            padding: 16px;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(200, 168, 110, 0.08);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-section .btn {
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: var(--radius-lg);
        }

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

        .cta-section .btn-primary:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .cta-section .btn-outline-white {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            margin-left: 12px;
        }

        .cta-section .btn-outline-white:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }

        /* Footer */
        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

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

        .site-footer h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand p {
            color: #aaa;
            line-height: 1.7;
            font-size: 0.875rem;
        }

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

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

        .site-footer ul li a {
            color: #aaa;
            text-decoration: none;
            transition: color var(--transition-fast);
            font-size: 0.875rem;
        }

        .site-footer ul li a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
            color: #888;
            font-size: 0.8rem;
            line-height: 2;
        }

        .site-footer .footer-bottom a {
            color: #aaa;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom .sep {
            margin: 0 10px;
            color: #444;
        }

        /* Mobile overlay menu */
        .mobile-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }

        .mobile-overlay.active {
            display: flex;
        }

        .mobile-overlay a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            padding: 10px 20px;
            border-radius: var(--radius);
            transition: all var(--transition-fast);
        }

        .mobile-overlay a:hover {
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.06);
            text-decoration: none;
        }

        .mobile-overlay a.active {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .service-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-compare {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-strip .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }
            .header-inner {
                height: 60px;
            }
            .header-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-actions {
                gap: 6px;
            }
            .header-actions .btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .header-logo {
                font-size: 1.15rem;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .page-header {
                padding: 32px 0 28px;
            }
            .page-header h1 {
                font-size: 1.9rem;
            }
            .page-header .page-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .service-cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-strip .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-strip .stat-item .stat-number {
                font-size: 2rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-outline-white {
                margin-left: 0;
                margin-top: 10px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
            .advantage-compare .compare-col {
                padding: 20px;
            }
        }

        @media (max-width: 480px) {
            .header-actions .btn-outline {
                display: none;
            }
            .page-header h1 {
                font-size: 1.6rem;
            }
            .stats-strip .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-strip .stat-item .stat-number {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-bg-warm: #FAF8F5;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }

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

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .header-nav a {
            display: inline-block;
            padding: 8px 12px;
            font-size: 0.93rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }

        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }

        .header-nav a:hover::after {
            transform: scaleX(1);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
            gap: 6px;
        }

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

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
            box-shadow: var(--shadow);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--color-primary);
            font-size: 1.5rem;
            line-height: 1;
            flex-shrink: 0;
            z-index: 1001;
        }

        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 40px;
        }

        .mobile-menu-overlay.active {
            display: flex;
        }

        .mobile-menu-overlay a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            padding: 12px 20px;
            border-radius: var(--radius);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .mobile-menu-overlay a:hover {
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.08);
            text-decoration: none;
        }

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

        /* Page Header */
        .page-header {
            background: var(--color-bg-warm);
            border-bottom: 1px solid var(--color-border-light);
            padding: 40px 0 36px;
        }

        .page-header .container {
            max-width: var(--container-max);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: var(--color-text-light);
            user-select: none;
        }

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

        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .page-header .page-description {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 720px;
        }

        /* Stats Bar */
        .stats-bar {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border-light);
            padding: 24px 0;
        }

        .stats-bar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stats-bar-item .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stats-bar-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* Main Content */
        .main-content {
            padding: 48px 0 var(--section-gap);
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-bottom: 32px;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
        }

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

        .card-image {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8e8e8;
        }

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

        .card:hover .card-image img {
            transform: scale(1.04);
        }

        .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            z-index: 2;
            letter-spacing: 0.3px;
        }

        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: -0.2px;
        }

        .card-body .card-summary {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

        .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast), gap var(--transition-fast);
            margin-top: auto;
        }

        .card-body .card-link:hover {
            color: var(--color-accent-hover);
            gap: 8px;
            text-decoration: none;
        }

        .card-body .card-link .arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }

        .card-body .card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-bg-warm);
            padding: 56px 0;
            margin-top: 48px;
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .cta-text p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            max-width: 500px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: #ccc;
            padding: 48px 0 0;
        }

        .site-footer a {
            color: #bbb;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #aaa;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: #bbb;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.8rem;
            color: #888;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 6px;
            flex-direction: column;
        }

        .footer-bottom p {
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 6px;
        }

        .footer-bottom .sep {
            color: #555;
            margin: 0 4px;
            user-select: none;
        }

        .footer-bottom a {
            color: #bbb;
            font-size: 0.8rem;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }
            .header-inner {
                height: 60px;
            }
            .header-nav {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .page-header h1 {
                font-size: 2rem;
            }
            .page-header .page-description {
                font-size: 0.95rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-bar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stats-bar-item .stat-number {
                font-size: 1.6rem;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-text p {
                max-width: 100%;
            }
            .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
            .btn {
                padding: 10px 16px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-header {
                padding: 28px 0 24px;
            }
            .page-header h1 {
                font-size: 1.7rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
                gap: 4px;
            }
            .stats-bar-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .card-body {
                padding: 16px;
            }
            .card-body h3 {
                font-size: 1.05rem;
            }
            .card-body .card-summary {
                font-size: 0.85rem;
            }
            .cta-section {
                padding: 36px 0;
            }
            .cta-text h2 {
                font-size: 1.3rem;
            }
            .footer-bottom {
                font-size: 0.75rem;
                gap: 4px;
            }
        }

        /* Skeleton loading placeholder */
        .skeleton {
            background: linear-gradient(90deg, #e8e8e8 25%, #f0f0f0 50%, #e8e8e8 75%);
            background-size: 200% 100%;
            animation: skeleton-pulse 1.5s ease-in-out infinite;
            border-radius: var(--radius);
        }

        @keyframes skeleton-pulse {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }

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

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .header-nav a {
            display: inline-block;
            padding: 8px 12px;
            font-size: 0.93rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }

        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }

        .header-nav a:hover::after {
            transform: scaleX(1);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            text-decoration: none;
            white-space: nowrap;
            gap: 6px;
            letter-spacing: 0.3px;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
            box-shadow: var(--shadow);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            z-index: 1001;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
        }

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

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Page Header */
        .page-header {
            background: var(--color-bg-alt);
            padding: 40px 0 36px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: var(--color-border);
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .page-header .lead {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            max-width: 700px;
            line-height: 1.7;
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
            line-height: 1.6;
        }

        /* Partner Cards Grid */
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .partner-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .partner-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            background: var(--color-bg-alt);
            border-bottom: 1px solid var(--color-border-light);
        }

        .partner-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .partner-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.1);
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 500;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .partner-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .partner-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .partner-card .card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .partner-card .card-link:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }

        .partner-card .card-link .arrow {
            transition: transform var(--transition-fast);
        }

        .partner-card .card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 24px 16px;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 20px 12px;
        }

        .process-step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            box-shadow: 0 4px 12px rgba(200, 168, 110, 0.3);
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 42px;
            left: 60%;
            width: calc(100% - 20px);
            height: 2px;
            background: var(--color-border-light);
            z-index: 1;
        }

        .process-step:last-child::after {
            display: none;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 8px;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
            font-family: inherit;
            line-height: 1.4;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: all var(--transition-fast);
            font-weight: 700;
            line-height: 1;
        }

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

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

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 8px 20px;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* CTA Form */
        .cta-form-wrap {
            background: var(--color-form-bg);
            border-radius: var(--radius-lg);
            padding: 40px;
            max-width: 640px;
            margin: 0 auto;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .cta-form-wrap h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            text-align: center;
        }

        .cta-form-wrap .form-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-bottom: 28px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #DDD;
            border-radius: var(--radius);
            font-size: 0.95rem;
            color: var(--color-text);
            background: #fff;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            line-height: 1.5;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 168, 110, 0.15);
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-check {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .form-check input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-top: 2px;
            accent-color: var(--color-accent);
            flex-shrink: 0;
            cursor: pointer;
        }

        .form-check a {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .btn-submit:hover {
            background: var(--color-accent-hover);
            transform: scale(1.01);
            box-shadow: var(--shadow);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: #ccc;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: #aaa;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.9rem;
            color: #aaa;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.85rem;
            color: #888;
            line-height: 1.8;
        }

        .footer-bottom a {
            color: #aaa;
            text-decoration: none;
        }

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

        .footer-bottom .sep {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.2);
        }

        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.97);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            padding: 24px;
        }

        .mobile-menu-overlay.active {
            display: flex;
        }

        .mobile-menu-overlay a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            padding: 10px 20px;
            border-radius: var(--radius);
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .mobile-menu-overlay a:hover {
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.06);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .partner-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(5, 1fr);
                gap: 8px;
            }
            .process-step {
                padding: 12px 6px;
            }
            .process-step::after {
                left: 55%;
                width: calc(100% - 0px);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .header-nav {
                gap: 2px;
            }
            .header-nav a {
                padding: 6px 8px;
                font-size: 0.85rem;
            }
            .page-header h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-actions .btn-outline {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .process-step::after {
                display: none;
            }
            .process-step {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 12px 0;
            }
            .process-step-num {
                margin: 0;
                flex-shrink: 0;
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-header h1 {
                font-size: 1.7rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .cta-form-wrap {
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .btn-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .partner-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .header-inner {
                gap: 8px;
            }
            .header-logo {
                font-size: 1.15rem;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .page-header h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }

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

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }

        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }

        .header-nav a:hover::after {
            transform: scaleX(1);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: 2px solid transparent;
            text-decoration: none;
            gap: 6px;
            letter-spacing: 0.3px;
        }

        .btn:hover {
            transform: scale(1.02);
            text-decoration: none;
        }

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

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

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 168, 110, 0.35);
        }

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

        .btn-secondary:hover {
            background: rgba(200, 168, 110, 0.08);
            color: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }

        /* Mobile menu toggle */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-direction: column;
            gap: 5px;
            z-index: 1100;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
        }

        /* Hero - Category */
        .category-hero {
            background: var(--color-bg-alt);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(200, 168, 110, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(200, 168, 110, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .breadcrumb .sep {
            color: var(--color-border);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }

        .hero-stage {
            display: grid;
            grid-template-columns: 1fr 1.5fr 1fr;
            gap: 40px;
            align-items: center;
            min-height: 380px;
        }

        .hero-stage-left,
        .hero-stage-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-stage-left {
            align-items: flex-end;
            text-align: right;
        }

        .hero-stage-right {
            align-items: flex-start;
            text-align: left;
        }

        .hero-stage-center {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #fff;
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-stage-center img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .hero-stage-center .stage-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.1) 0%, rgba(26, 26, 26, 0.45) 100%);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }

        .hero-stage-center .stage-badge {
            background: rgba(255, 255, 255, 0.95);
            color: var(--color-primary);
            padding: 8px 16px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }

        .value-point {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border-left: 3px solid var(--color-accent);
        }

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

        .value-point-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(200, 168, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-accent);
            font-size: 1rem;
            font-weight: 700;
        }

        .value-point-text {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.4;
        }

        .hero-stage-cta-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }

        .hero-stage-cta-group .btn {
            width: 100%;
            justify-content: center;
        }

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

        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }

        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.1);
            padding: 4px 10px;
            border-radius: 20px;
            margin-top: 10px;
            align-self: flex-start;
            letter-spacing: 0.5px;
        }

        /* Feature highlight */
        .feature-highlight {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

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

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

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

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

        .feature-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .feature-content p {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-list li {
            padding-left: 24px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.6;
        }

        .feature-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 9px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* Stats bar */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* Process flow */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            align-items: start;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 0 8px;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 28px;
            right: -12px;
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            opacity: 0.4;
        }

        .process-step:last-child::after {
            display: none;
        }

        .process-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            box-shadow: 0 4px 16px rgba(200, 168, 110, 0.3);
        }

        .process-step h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            transition: color var(--transition-fast);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 168, 110, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            color: var(--color-accent);
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 18px 0;
        }

        .faq-answer-inner {
            background: #F9F9F9;
            padding: 16px;
            border-radius: var(--radius);
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(200, 168, 110, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-primary {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            font-size: 1rem;
            padding: 14px 32px;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-primary:hover {
            background: #fff;
            color: var(--color-primary);
            border-color: #fff;
            box-shadow: 0 8px 28px rgba(200, 168, 110, 0.4);
        }

        .cta-section .btn-secondary {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
            position: relative;
            z-index: 1;
        }

        .cta-section .btn-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .cta-btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Form */
        .form-container {
            background: var(--color-form-bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--color-border-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 18px;
            text-align: left;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            height: 48px;
            padding: 0 14px;
            border: 1px solid #DDD;
            border-radius: var(--radius);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: #fff;
            color: var(--color-text);
        }

        .form-group textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 168, 110, 0.12);
        }

        .form-checkbox {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            cursor: pointer;
        }

        .form-checkbox input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--color-accent);
            cursor: pointer;
            flex-shrink: 0;
        }

        .form-checkbox a {
            color: var(--color-accent);
            font-weight: 500;
        }

        .form-submit {
            width: 100%;
            margin-top: 8px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: #fff;
            padding: 50px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 4px;
            align-items: center;
        }

        .footer-bottom p {
            margin: 0;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.25);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* Mobile overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(255, 255, 255, 0.97);
            z-index: 1050;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .mobile-nav-overlay.active {
            display: flex;
        }

        .mobile-nav-overlay a {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            text-decoration: none;
            padding: 10px 20px;
            border-radius: var(--radius);
            transition: all var(--transition-fast);
        }

        .mobile-nav-overlay a:hover {
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.06);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-stage {
                grid-template-columns: 1fr;
                gap: 24px;
                min-height: auto;
            }

            .hero-stage-left,
            .hero-stage-right {
                align-items: center;
                text-align: center;
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero-stage-left {
                order: 2;
            }

            .hero-stage-center {
                order: 1;
                max-width: 500px;
                margin: 0 auto;
            }

            .hero-stage-right {
                order: 3;
            }

            .value-point {
                flex: 1 1 200px;
                max-width: 280px;
                justify-content: center;
            }

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

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

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

            .process-flow {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }

            .process-step:nth-child(3)::after {
                display: none;
            }

            .process-step::after {
                right: -10px;
                width: 20px;
            }

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

            .header-nav {
                display: none;
            }

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

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

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

            .section-header h2 {
                font-size: 1.5rem;
            }

            .cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .card-body {
                padding: 14px;
            }

            .card-body h3 {
                font-size: 1rem;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-number {
                font-size: 2rem;
            }

            .process-flow {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-step::after {
                display: none;
            }

            .process-step {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
            }

            .process-step-num {
                margin: 0;
                flex-shrink: 0;
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }

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

            .hero-stage-cta-group {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .category-hero {
                padding: 40px 0 50px;
            }

            .feature-content h2 {
                font-size: 1.4rem;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .form-container {
                padding: 20px;
            }

            .header-inner {
                gap: 10px;
            }

            .header-logo {
                font-size: 1.15rem;
            }

            .header-actions .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }

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

            .hero-stage-center {
                aspect-ratio: 4 / 3;
            }

            .value-point {
                max-width: 100%;
                flex: 1 1 100%;
            }

            .hero-stage-cta-group {
                flex-direction: column;
                width: 100%;
            }

            .hero-stage-cta-group .btn {
                width: 100%;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
            }

            .stat-number {
                font-size: 1.8rem;
            }

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

            .cta-btn-group .btn {
                width: 100%;
                max-width: 280px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            .footer-bottom .sep {
                display: none;
            }

            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

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

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }

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

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .header-nav a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.95rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }

        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }

        .header-nav a:hover::after {
            transform: scaleX(1);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }

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

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
            z-index: 1001;
            color: var(--color-primary);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            border-radius: 2px;
            transition: var(--transition-fast);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            z-index: 999;
            padding: 80px 24px 40px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-nav-overlay.active {
            display: flex;
        }

        .mobile-nav-overlay a {
            display: block;
            padding: 14px 20px;
            font-size: 1.15rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.06);
        }

        /* Page Header */
        .page-header {
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            position: relative;
            padding: 60px 0;
            min-height: 240px;
            display: flex;
            align-items: center;
        }

        .page-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 26, 26, 0.65);
            z-index: 1;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: #fff;
            text-decoration: underline;
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.5);
        }

        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin: 0 0 12px;
        }

        .page-header .page-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
            line-height: 1.6;
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            margin-bottom: 40px;
            max-width: 650px;
            line-height: 1.6;
        }

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

        .section-header.center {
            text-align: center;
        }

        .section-header.center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            padding: 40px 0;
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* Case Cards Grid */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

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

        .case-card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }

        .case-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.1);
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            width: fit-content;
            letter-spacing: 0.3px;
        }

        .case-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .case-card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
            margin-top: auto;
        }

        .case-card-link:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }

        .case-card-link .arrow {
            transition: transform var(--transition-fast);
        }

        .case-card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* Featured Case */
        .featured-case {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            margin-bottom: 32px;
        }

        .featured-case-img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
            display: block;
        }

        .featured-case-content {
            padding: 36px 36px 36px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-case-content .tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 168, 110, 0.1);
            padding: 5px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            width: fit-content;
        }

        .featured-case-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .featured-case-content .highlight-list {
            list-style: none;
            margin: 16px 0;
            padding: 0;
        }

        .featured-case-content .highlight-list li {
            padding: 6px 0 6px 24px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.6;
        }

        .featured-case-content .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 12px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .featured-case-content .result-note {
            font-weight: 600;
            color: var(--color-success);
            margin-top: 8px;
            font-size: 0.95rem;
        }

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

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            border-left: 3px solid var(--color-accent);
            transition: var(--transition);
        }

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

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 20px;
        }

        .testimonial-card .quote::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 2rem;
            color: var(--color-accent);
            font-style: normal;
            line-height: 1;
            font-weight: 700;
        }

        .testimonial-card .author {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
        }

        .testimonial-card .role {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-top: 2px;
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .process-step {
            text-align: center;
            padding: 28px 20px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: var(--transition);
        }

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

        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            line-height: 1;
        }

        .process-step h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: #fff;
            border: none;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.5;
            border-radius: var(--radius-sm);
        }

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

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            transition: transform var(--transition);
            font-weight: 700;
            line-height: 1;
        }

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

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

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            background: #fff;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        /* CTA Form */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: var(--section-gap) 0;
        }

        .cta-section .section-title {
            color: #fff;
        }

        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
        }

        .cta-form-wrap {
            max-width: 560px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
        }

        .cta-form-wrap .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            text-align: left;
        }

        .cta-form-wrap input,
        .cta-form-wrap textarea {
            width: 100%;
            height: 48px;
            border: 1px solid #DDD;
            border-radius: var(--radius);
            padding: 0 14px;
            font-size: 0.95rem;
            color: var(--color-text);
            background: #fff;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            margin-bottom: 16px;
        }

        .cta-form-wrap textarea {
            height: 100px;
            padding: 12px 14px;
            resize: vertical;
        }

        .cta-form-wrap input:focus,
        .cta-form-wrap textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 168, 110, 0.15);
        }

        .cta-form-wrap .btn-submit {
            width: 100%;
            padding: 14px 24px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .cta-form-wrap .btn-submit:hover {
            background: var(--color-accent-hover);
            transform: scale(1.01);
        }

        .checkbox-wrap {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 18px;
            text-align: left;
        }

        .checkbox-wrap input[type="checkbox"] {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            margin-top: 2px;
            accent-color: var(--color-accent);
            cursor: pointer;
        }

        .checkbox-wrap label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            cursor: pointer;
        }

        .checkbox-wrap label a {
            color: var(--color-accent);
            text-decoration: underline;
        }

        /* Footer */
        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 50px 0 30px;
        }

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

        .footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #aaa;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #888;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.25);
        }

        .footer-bottom a {
            color: #aaa;
            text-decoration: none;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-case {
                grid-template-columns: 1fr;
            }
            .featured-case-content {
                padding: 28px;
            }
            .featured-case-img {
                min-height: 240px;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-header h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .featured-case {
                grid-template-columns: 1fr;
            }
            .featured-case-img {
                min-height: 200px;
            }
            .featured-case-content {
                padding: 20px;
            }
            .featured-case-content h2 {
                font-size: 1.3rem;
            }
            .page-header {
                padding: 40px 0;
                min-height: 180px;
            }
            .page-header h1 {
                font-size: 1.7rem;
            }
            .page-header .page-desc {
                font-size: 0.9rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .cta-form-wrap {
                padding: 24px 18px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 480px) {
            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .page-header h1 {
                font-size: 1.5rem;
            }
            .case-card h3 {
                font-size: 1rem;
            }
            .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #1A1A1A;
            --color-accent: #C8A86E;
            --color-accent-hover: #A8884E;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F7F7F7;
            --color-bg-warm: #FAF8F4;
            --color-text: #333333;
            --color-text-muted: #666666;
            --color-text-light: #888888;
            --color-success: #2D5A3B;
            --color-warning: #A0524D;
            --color-border: #E5E5E5;
            --color-border-light: #F0F0F0;
            --color-form-bg: #FAFAFA;
            --color-tag-bg: #F5F0E8;
            --radius-sm: 4px;
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.15);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Inter', 'Roboto', sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --container-max: 1200px;
            --section-gap: 80px;
            --section-gap-mobile: 60px;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: 64px;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

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

        ul {
            list-style: none;
            padding: 0;
        }

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

        .container-narrow {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid transparent;
            transition: box-shadow var(--transition), border-color var(--transition);
            padding: 0;
        }

        .site-header.scrolled {
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border-light);
        }

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

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-logo:hover {
            color: var(--color-accent);
            text-decoration: none;
        }

        .header-logo-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex: 1;
            justify-content: center;
            flex-wrap: wrap;
        }

        .header-nav a {
            display: inline-block;
            padding: 8px 12px;
            font-size: 0.9rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-fast);
            border-radius: 2px;
        }

        .header-nav a:hover {
            color: var(--color-accent);
            text-decoration: none;
            background: rgba(200, 168, 110, 0.06);
        }

        .header-nav a:hover::after {
            transform: scaleX(1);
        }

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 2px solid transparent;
            white-space: nowrap;
            letter-spacing: 0.3px;
            line-height: 1.4;
        }

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

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

        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
        }

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

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            text-decoration: none;
            transform: scale(1.02);
            box-shadow: var(--shadow);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.8rem;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 1rem;
            border-radius: var(--radius-lg);
        }

        /* Mobile Menu */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            padding: 8px;
            z-index: 1001;
            border-radius: var(--radius-sm);
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            z-index: 999;
            padding: 32px 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-menu-overlay.active {
            display: flex;
        }

        .mobile-menu-overlay a {
            display: block;
            padding: 14px 16px;
            font-size: 1.1rem;
            color: var(--color-text);
            font-weight: 500;
            border-radius: var(--radius);
            text-decoration: none;
            transition: all var(--transition-fast);
        }

        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            background: rgba(200, 168, 110, 0.08);
            color: var(--color-accent);
            text-decoration: none;
        }

        .mobile-menu-overlay .mobile-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border-light);
        }

        /* Page Header */
        .page-header {
            background: var(--color-bg-warm);
            border-bottom: 1px solid var(--color-border-light);
            padding: 40px 0 36px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .breadcrumb .separator {
            color: var(--color-border);
            user-select: none;
        }

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

        .page-header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 12px;
        }

        .page-header .header-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 700px;
        }

        /* Section */
        .section {
            padding: var(--section-gap) 0;
        }

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

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

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .section-title {
            margin-bottom: 10px;
        }

        /* Insight Cards Grid */
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .insight-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

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

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

        .insight-card:hover .insight-card-image img {
            transform: scale(1.04);
        }

        .insight-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 26, 26, 0.8);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }

        .insight-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .insight-card-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

        .insight-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .insight-card-summary {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .insight-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            transition: all var(--transition-fast);
            margin-top: auto;
        }

        .insight-card-link:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
            gap: 10px;
        }

        .insight-card-link .arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }

        .insight-card-link:hover .arrow {
            transform: translateX(3px);
        }

        /* Featured Insight */
        .featured-insight {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }

        .featured-insight-image {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--color-bg-alt);
        }

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

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

        .featured-insight-content {
            padding: 32px 32px 32px 0;
        }

        .featured-insight-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .featured-insight-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .featured-insight-summary {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        /* Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--color-border-light);
        }

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

        .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .stat-desc {
            font-size: 0.78rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        /* Report Cards */
        .report-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .report-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            border-left: 4px solid transparent;
        }

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

        .report-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: var(--color-bg-warm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            flex-shrink: 0;
            color: var(--color-accent);
        }

        .report-card-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .report-card-info p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .report-card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

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

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            line-height: 1.4;
            transition: color var(--transition-fast);
            gap: 12px;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: all var(--transition);
            font-weight: 700;
            line-height: 1;
        }

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

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

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 0 18px 0;
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            background: transparent;
        }

        /* CTA Form */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 0;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.3;
            color: #fff;
        }

        .cta-info p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cta-benefit-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .cta-benefit-check {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            flex-shrink: 0;
            color: #fff;
            font-weight: 700;
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
            color: var(--color-text);
        }

        .cta-form-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #DDD;
            border-radius: var(--radius);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            background: #fff;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 168, 110, 0.15);
        }

        .form-group textarea {
            min-height: 90px;
        }

        .form-check {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 18px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .form-check input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--color-accent);
            flex-shrink: 0;
            margin-top: 2px;
            cursor: pointer;
        }

        .form-check a {
            color: var(--color-accent);
            text-decoration: underline;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

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

        /* Pagination */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            text-decoration: none;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            background: #fff;
        }

        .pagination a:hover {
            background: var(--color-bg-warm);
            border-color: var(--color-accent);
            color: var(--color-accent);
            text-decoration: none;
        }

        .pagination .active-page {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .pagination .dots {
            border: none;
            background: transparent;
            cursor: default;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 2;
        }

        .footer-bottom .sep {
            margin: 0 10px;
            opacity: 0.4;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* Skeleton loading */
        @keyframes shimmer {
            0% {
                background-position: -400px 0;
            }
            100% {
                background-position: 400px 0;
            }
        }

        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
            background-size: 800px 100%;
            animation: shimmer 1.5s infinite;
            border-radius: var(--radius);
        }

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

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

            .featured-insight {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .featured-insight-content {
                padding: 24px;
            }

            .featured-insight-image {
                aspect-ratio: 16 / 9;
            }

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

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

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

            .header-nav {
                gap: 0;
            }

            .header-nav a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }

            .page-header h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }

            .header-actions {
                display: none;
            }

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

            .header-inner {
                gap: 12px;
            }

            .insight-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .stat-number {
                font-size: 2rem;
            }

            .page-header {
                padding: 28px 0 24px;
            }

            .page-header h1 {
                font-size: 1.7rem;
            }

            .section {
                padding: var(--section-gap-mobile) 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

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

            .featured-insight-content {
                padding: 20px;
            }

            .featured-insight-title {
                font-size: 1.2rem;
            }

            .cta-form-card {
                padding: 24px;
            }

            .container {
                padding: 0 16px;
            }

            .pagination a,
            .pagination span {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
            }

            .report-card {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
            }
        }

        @media (max-width: 480px) {
            .page-header h1 {
                font-size: 1.4rem;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 20px 12px;
            }

            .stat-number {
                font-size: 1.7rem;
            }

            .btn {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

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

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

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

            .breadcrumb {
                font-size: 0.75rem;
            }
        }