/* roulang page: index */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #b8934f;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #111827;
            --color-text: #2d3436;
            --color-text-weak: #636e72;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Top Bar */
        .topbar {
            background-color: var(--color-primary);
            color: #cbd5e1;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .topbar a {
            color: #e2e8f0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }
        .topbar a:hover {
            color: var(--color-accent-light);
        }
        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar .topbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* Header / Nav */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav li a:hover {
            background-color: #f1f5f9;
            color: var(--color-primary);
        }
        .main-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .main-nav li a.active:hover {
            background-color: var(--color-primary-light);
            color: #fff;
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff !important;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-normal);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
        }
        .nav-cta-btn:hover {
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.45);
            transform: translateY(-1px);
            background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle:hover {
            background-color: #f1f5f9;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav li a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 12px 16px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                gap: 4px;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                padding: 12px 16px;
                width: 100%;
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                margin-top: 6px;
                text-align: center;
                width: 100%;
            }
            .topbar .topbar-right span {
                display: none;
            }
            .topbar .topbar-left {
                gap: 8px;
            }
        }

        /* Section Spacing */
        section {
            padding: 60px 0;
        }
        @media (max-width: 768px) {
            section {
                padding: 40px 0;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #1a1f36 0%, #252b45 40%, #1e2440 100%);
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 100%);
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 14px;
            background: rgba(201, 169, 110, 0.2);
            border: 1px solid rgba(201, 169, 110, 0.4);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-accent-light);
            margin-bottom: 18px;
            font-weight: 500;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
        }
        .hero-title .highlight {
            color: var(--color-accent-light);
            position: relative;
        }
        .hero-desc {
            font-size: 1.1rem;
            line-height: 1.75;
            color: #cbd5e1;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .hero-demo-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(8px);
        }
        .hero-demo-card .demo-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 16px;
        }
        .hero-demo-card .stat-item {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            padding: 14px;
            text-align: center;
        }
        .hero-demo-card .stat-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-accent-light);
        }
        .hero-demo-card .stat-label {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .hero-section::before {
                width: 100%;
                opacity: 0.12;
            }
            .hero-demo-card {
                padding: 20px;
            }
        }

        /* Section Titles */
        .section-label {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(201, 169, 110, 0.1);
            color: var(--color-accent-dark);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 640px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
        }

        /* Card Styles */
        .card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #e0e0e0;
        }
        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .card-icon.gold {
            background: rgba(201, 169, 110, 0.15);
            color: var(--color-accent-dark);
        }
        .card-icon.blue {
            background: rgba(59, 130, 246, 0.1);
            color: #3b82f6;
        }
        .card-icon.green {
            background: rgba(16, 185, 129, 0.1);
            color: #10b981;
        }
        .card-icon.purple {
            background: rgba(139, 92, 246, 0.1);
            color: #8b5cf6;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* Data Bar */
        .data-bar {
            background: var(--color-primary);
            color: #fff;
            padding: 40px 0;
        }
        .data-bar .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .data-bar .data-item .data-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
        }
        .data-bar .data-item .data-label {
            font-size: 0.9rem;
            color: #94a3b8;
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .data-bar .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .data-bar .data-item .data-value {
                font-size: 1.8rem;
            }
        }

        /* Guarantee Icons Bar */
        .guarantee-bar {
            background: var(--color-bg-white);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            padding: 32px 0;
        }
        .guarantee-bar .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .guarantee-item {
            padding: 16px;
        }
        .guarantee-item .g-icon {
            font-size: 2rem;
            color: var(--color-accent-dark);
            margin-bottom: 8px;
        }
        .guarantee-item .g-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
        }
        .guarantee-item .g-desc {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .guarantee-bar .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        /* Form Section */
        .form-section {
            background: var(--color-bg-white);
        }
        .form-card {
            background: var(--color-bg);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--color-border);
            max-width: 700px;
            margin: 0 auto;
        }
        .form-card input,
        .form-card select {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color var(--transition-fast);
            background: #fff;
        }
        .form-card input:focus,
        .form-card select:focus {
            border-color: var(--color-accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
        }
        .form-card .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        @media (max-width: 768px) {
            .form-card {
                padding: 24px;
            }
            .form-card .form-row {
                grid-template-columns: 1fr;
            }
        }

        /* Review Wall */
        .review-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .review-card .review-stars {
            color: #f59e0b;
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .review-card .review-text {
            font-size: 0.93rem;
            color: var(--color-text);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .review-card .review-author {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }
        .review-card .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 10px;
        }

        /* Price Compare */
        .price-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .price-table th,
        .price-table td {
            padding: 16px 20px;
            text-align: center;
            font-size: 0.93rem;
        }
        .price-table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .price-table td {
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
        }
        .price-table .highlight-row {
            background: #fefce8;
        }
        .price-table .check-icon {
            color: #10b981;
            font-weight: 700;
        }
        .price-table .cross-icon {
            color: #ef4444;
        }

        /* Progress */
        .progress-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .progress-bar-wrap {
            background: #e5e7eb;
            border-radius: 10px;
            height: 10px;
            overflow: hidden;
            margin: 8px 0 16px;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--color-accent) 0%, #e8c97a 100%);
            transition: width 0.6s ease;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d0d0d0;
        }
        .faq-item .faq-q {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-item .faq-a {
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        .faq-item .faq-toggle {
            font-size: 1.2rem;
            transition: transform var(--transition-fast);
            color: var(--color-accent-dark);
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }

        /* News */
        .news-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #d0d0d0;
        }
        .news-card .news-date {
            font-size: 0.8rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            white-space: nowrap;
            min-width: 70px;
            padding-top: 2px;
        }
        .news-card .news-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .news-card .news-content p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }
        .news-card .news-content .read-more {
            display: inline-block;
            margin-top: 8px;
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .news-card .news-content .read-more:hover {
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .news-card {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: #cbd5e1;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.6;
            max-width: 320px;
        }
        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer ul {
            list-style: none;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul li a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #64748b;
        }
        .site-footer .footer-bottom a {
            color: #94a3b8;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent-light);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Utility */
        .text-center {
            text-align: center;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .bg-soft {
            background: #f8f9fb;
        }
        .bg-white {
            background: #fff;
        }
        .bg-dark {
            background: var(--color-primary);
            color: #fff;
        }
        .bg-dark .section-title {
            color: #fff;
        }
        .bg-dark .section-desc {
            color: #cbd5e1;
        }
        .bg-dark .card {
            background: rgba(255, 255, 255, 0.04);
            border-color: rgba(255, 255, 255, 0.1);
            color: #e2e8f0;
        }
        .bg-dark .card-title {
            color: #fff;
        }
        .bg-dark .card-desc {
            color: #cbd5e1;
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #b8934f;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #111827;
            --color-text: #2d3436;
            --color-text-weak: #636e72;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

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

        /* Top Bar */
        .topbar {
            background-color: var(--color-primary);
            color: #cbd5e1;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .topbar a {
            color: #e2e8f0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }
        .topbar a:hover {
            color: var(--color-accent-light);
        }
        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar .topbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* Header / Nav */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            display: block;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav li a:hover {
            background-color: #f1f5f9;
            color: var(--color-primary);
        }
        .main-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .main-nav .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff !important;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: var(--radius-md);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.35);
            transition: all var(--transition-normal);
        }
        .main-nav .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.5);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(170deg, #f8f9fb 0%, #eef1f6 40%, #e8ecf2 100%);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: -0.03em;
        }
        .hero-content h1 .highlight {
            color: var(--color-accent-dark);
            position: relative;
        }
        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-weak);
            margin: 0 0 28px;
            line-height: 1.6;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--color-border);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-text);
            margin-bottom: 18px;
            box-shadow: var(--shadow-sm);
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--color-success);
            border-radius: 50%;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }
        .group-progress {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-md);
            margin-bottom: 20px;
            border: 1px solid var(--color-border-light);
        }
        .group-progress .progress-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--color-text);
            font-weight: 500;
        }
        .group-progress .progress-header .count {
            font-weight: 700;
            color: var(--color-accent-dark);
            font-size: 1.1rem;
        }
        .group-progress .progress-bar-wrap {
            height: 8px;
            background: #e5e7eb;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .group-progress .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: 10px;
            width: 60%;
            transition: width 0.6s ease;
            position: relative;
        }
        .group-progress .progress-bar-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 16px;
            height: 16px;
            background: #fff;
            border: 3px solid var(--color-accent-dark);
            border-radius: 50%;
        }
        .group-progress .progress-info {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            display: flex;
            justify-content: space-between;
        }
        .hero-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.4);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .btn-primary:hover {
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.55);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--color-primary);
            font-weight: 600;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .hero-visual .visual-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 420px;
        }
        .hero-visual .visual-card .stat-row {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 16px;
        }
        .hero-visual .visual-card .stat-item {
            text-align: center;
            flex: 1;
        }
        .hero-visual .visual-card .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .hero-visual .visual-card .stat-label {
            font-size: 0.78rem;
            color: var(--color-text-weak);
            margin-top: 4px;
        }
        .hero-visual .visual-card .chart-placeholder {
            height: 120px;
            background: linear-gradient(180deg, #f0f4f8 0%, #e8ecf2 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 0.85rem;
            position: relative;
            overflow: hidden;
        }
        .hero-visual .visual-card .chart-placeholder .mini-line {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-dark) 60%, var(--color-success) 100%);
            border-radius: 2px;
        }
        .hero-visual .visual-card .chart-placeholder .mini-dot {
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--color-accent-dark);
            border-radius: 50%;
            bottom: 16px;
            right: 60px;
            box-shadow: 0 0 8px rgba(201, 169, 110, 0.6);
        }
        .hero-visual .decor-circle {
            position: absolute;
            width: 200px;
            height: 200px;
            border: 2px dashed #d4b87a40;
            border-radius: 50%;
            top: -30px;
            right: -40px;
            z-index: 0;
            animation: rotate-slow 30s linear infinite;
        }
        @keyframes rotate-slow {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        /* Section共通 */
        .section {
            padding: 64px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
            letter-spacing: -0.02em;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            background: #fdf6e8;
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* Strategy Cards */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .strategy-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .strategy-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .strategy-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: #fff;
        }
        .strategy-card .card-icon.icon-blue {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
        }
        .strategy-card .card-icon.icon-green {
            background: linear-gradient(135deg, #10b981, #059669);
        }
        .strategy-card .card-icon.icon-purple {
            background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        }
        .strategy-card .card-icon.icon-orange {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .strategy-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }
        .strategy-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Deep Dive */
        .deep-dive-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-dive-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .deep-dive-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .deep-dive-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 14px;
        }
        .deep-dive-content p {
            font-size: 0.98rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .deep-dive-content .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .deep-dive-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.93rem;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border-light);
        }
        .deep-dive-content .feature-list li:last-child {
            border-bottom: none;
        }
        .deep-dive-content .feature-list li i {
            color: var(--color-success);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* Data Section */
        .data-section {
            background: var(--color-primary);
            color: #fff;
            padding: 56px 0;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-card {
            text-align: center;
            padding: 24px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }
        .data-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .data-card .data-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .data-card .data-label {
            font-size: 0.9rem;
            color: #cbd5e1;
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
        }
        .scenario-card .scenario-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            margin-bottom: 12px;
            background: #eef2ff;
            color: #4f46e5;
        }
        .scenario-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }
        .scenario-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Comparison Table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
            border: 1px solid var(--color-border-light);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 16px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            text-align: center;
            white-space: nowrap;
        }
        .compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table tbody td {
            padding: 14px 18px;
            font-size: 0.88rem;
            color: var(--color-text);
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-primary);
        }
        .compare-table tbody tr:hover {
            background: #f8fafc;
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-size: 1rem;
        }
        .compare-table .dash-icon {
            color: var(--color-text-light);
        }

        /* Testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-accent-light);
            margin-bottom: 8px;
            opacity: 0.6;
        }
        .testimonial-card .quote-text {
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.6;
            margin: 0 0 14px;
        }
        .testimonial-card .author-info {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 12px;
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }

        /* Steps */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: #fff;
            padding: 22px 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }
        .step-content p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent-light);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            background: none;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafbfc;
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-normal);
            font-size: 0.8rem;
            color: var(--color-text-weak);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.18) 0%, transparent 70%);
            top: -100px;
            left: -100px;
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: #cbd5e1;
            margin: 0 0 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 14px 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: #d1d5db;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.6;
            margin: 0;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 12px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.78rem;
            color: #6b7280;
            justify-content: center;
            text-align: center;
        }
        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-dive-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav {
                gap: 2px;
            }
            .main-nav li a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 6px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                display: none;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                text-align: center;
                padding: 10px;
                font-size: 0.9rem;
            }
            .hero-section {
                padding: 40px 0 50px;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn-primary,
            .hero-buttons .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 14px;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.35rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .data-grid {
                grid-template-columns: 1fr;
            }
            .group-progress {
                padding: 14px 16px;
            }
            .group-progress .progress-header {
                font-size: 0.8rem;
            }
            .hero-visual .visual-card {
                padding: 18px;
            }
            .hero-visual .visual-card .stat-value {
                font-size: 1.3rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .topbar {
                font-size: 0.7rem;
            }
            .topbar .topbar-left,
            .topbar .topbar-right {
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #b8934f;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #111827;
            --color-text: #2d3436;
            --color-text-weak: #636e72;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Top Bar */
        .topbar {
            background-color: var(--color-primary);
            color: #cbd5e1;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }

        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }

        .topbar a {
            color: #e2e8f0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

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

        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

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

        /* Header / Nav */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav li a:hover {
            background-color: #f1f5f9;
            color: var(--color-primary);
        }

        .main-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .main-nav li a.nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: var(--radius-md);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
            transition: all var(--transition-normal);
        }

        .main-nav li a.nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.45);
            transform: translateY(-1px);
            color: #fff;
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
        }

        @media (max-width: 1024px) {
            .nav-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                gap: 0;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                padding: 8px 0;
                z-index: 999;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav li {
                width: 100%;
            }

            .main-nav li a {
                padding: 12px 24px;
                border-radius: 0;
                font-size: 0.95rem;
            }

            .main-nav li a.nav-cta-btn {
                margin: 8px 16px;
                border-radius: var(--radius-md);
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .topbar .topbar-left span {
                display: none;
            }

            .topbar .topbar-right {
                gap: 8px;
            }

            .topbar {
                font-size: 0.7rem;
            }
        }

        /* Section spacing */
        .section {
            padding: 64px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
        }

        /* Hero section */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #0f1322 0%, #1a1f36 40%, #1e2540 100%);
            color: #fff;
            padding: 80px 0 72px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        @media (max-width: 768px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .hero-left .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(201, 169, 110, 0.3);
        }

        .hero-left h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 20px;
            letter-spacing: -0.02em;
        }

        .hero-left h1 .highlight {
            color: var(--color-accent-light);
        }

        .hero-left .hero-desc {
            font-size: 1.1rem;
            color: #cbd5e1;
            line-height: 1.75;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.35);
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        /* Countdown ring */
        .countdown-ring-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .countdown-ring-container {
            position: relative;
            width: 260px;
            height: 260px;
        }

        .countdown-ring-container svg {
            transform: rotate(-90deg);
            width: 100%;
            height: 100%;
        }

        .countdown-ring-bg {
            fill: none;
            stroke: rgba(255, 255, 255, 0.1);
            stroke-width: 10;
        }

        .countdown-ring-fg {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.8s ease;
        }

        .countdown-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .countdown-center .countdown-number {
            font-size: 4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            letter-spacing: -0.03em;
        }

        .countdown-center .countdown-label {
            font-size: 0.9rem;
            color: #cbd5e1;
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        /* Carousel dots */
        .carousel-dots-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-top: 24px;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            padding: 0;
        }

        .carousel-dot.active {
            background: var(--color-accent);
            width: 28px;
            border-radius: 10px;
        }

        .carousel-sellpoint {
            text-align: center;
            font-size: 0.95rem;
            color: #e2e8f0;
            min-height: 28px;
            transition: opacity 0.3s ease;
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .hero-left h1 {
                font-size: 2rem;
            }

            .countdown-ring-container {
                width: 200px;
                height: 200px;
            }

            .countdown-center .countdown-number {
                font-size: 3rem;
            }

            .hero-section {
                padding: 48px 0 44px;
            }
        }

        /* Data panel */
        .data-panel-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 768px) {
            .data-panel-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        @media (max-width: 480px) {
            .data-panel-grid {
                grid-template-columns: 1fr;
            }
        }

        .data-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }

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

        .data-card .data-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .data-card .data-value.gold {
            color: var(--color-accent-dark);
        }

        .data-card .data-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-top: 6px;
        }

        .data-card .data-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 6px;
            padding: 3px 10px;
            border-radius: 50px;
        }

        .data-trend.up {
            color: #059669;
            background: #ecfdf5;
        }

        .data-trend.down {
            color: #dc2626;
            background: #fef2f2;
        }

        /* Feature split */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .feature-split {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .feature-split .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
        }

        .feature-split .feature-content h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

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

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

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

        .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--color-accent-dark);
            font-size: 0.85rem;
        }

        /* Comparison table */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
        }

        .comparison-table th {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
        }

        .comparison-table th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table td {
            font-size: 0.93rem;
            color: var(--color-text);
        }

        .comparison-table tr:hover td {
            background: #fafbfc;
        }

        .comparison-table .highlight-row td {
            background: #fefdf8;
            font-weight: 600;
        }

        .comparison-table .badge-best {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 3px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* Step flow */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        @media (max-width: 1024px) {
            .step-flow {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 640px) {
            .step-flow {
                grid-template-columns: 1fr 1fr;
            }
        }

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

        .step-item .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }

        .step-item .step-title {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.95rem;
            margin-bottom: 6px;
        }

        .step-item .step-desc {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }

        .step-connector {
            position: absolute;
            top: 45px;
            left: 55%;
            width: 90%;
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }

        @media (max-width: 1024px) {
            .step-connector {
                display: none;
            }
        }

        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            border-left: 4px solid transparent;
        }

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

        .scenario-card .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-dark);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .scenario-card h4 {
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            font-size: 1.05rem;
        }

        .scenario-card p {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            line-height: 1.65;
        }

        /* User case block */
        .case-block {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px;
            box-shadow: var(--shadow-md);
            margin-bottom: 20px;
            border: 1px solid var(--color-border-light);
        }

        @media (max-width: 768px) {
            .case-block {
                grid-template-columns: 1fr;
                padding: 24px;
            }
        }

        .case-block .case-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 5/3;
            object-fit: cover;
            width: 100%;
        }

        .case-block .case-content h4 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .case-block .case-content .case-meta {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: 10px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .case-block .case-content p {
            color: var(--color-text);
            line-height: 1.75;
            font-size: 0.93rem;
        }

        .case-block .case-stats {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 14px;
        }

        .case-stat-item {
            text-align: center;
            padding: 10px 16px;
            background: #f8f9fb;
            border-radius: var(--radius-sm);
        }

        .case-stat-item .cs-val {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-accent-dark);
        }

        .case-stat-item .cs-lbl {
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }

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

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-item .faq-question .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-item .faq-answer {
            padding: 0 24px 18px;
            color: var(--color-text-weak);
            font-size: 0.93rem;
            line-height: 1.75;
            display: none;
        }

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

        /* CTA section */
        .cta-section {
            background: linear-gradient(160deg, #1a1f36 0%, #252b45 100%);
            color: #fff;
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: #cbd5e1;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: #e5e7eb;
            padding: 48px 0 28px;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #9ca3af;
            line-height: 1.7;
            max-width: 380px;
        }

        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }

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

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

        /* Section title */
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            color: var(--color-text-weak);
            font-size: 1rem;
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .section-header {
            margin-bottom: 40px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* Background image section */
        .bg-image-section {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 72px 0;
        }

        .bg-image-section .bg-overlay {
            position: absolute;
            inset: 0;
            background: rgba(26, 31, 54, 0.82);
            z-index: 0;
        }

        .bg-image-section .container {
            position: relative;
            z-index: 1;
        }

        .bg-image-section .section-title,
        .bg-image-section .section-subtitle {
            color: #fff;
        }

        .bg-image-section .section-subtitle {
            color: #cbd5e1;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #b8934f;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #111827;
            --color-text: #2d3436;
            --color-text-weak: #636e72;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Top Bar */
        .topbar {
            background-color: var(--color-primary);
            color: #cbd5e1;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .topbar a {
            color: #e2e8f0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }
        .topbar a:hover {
            color: var(--color-accent-light);
        }
        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar .topbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* Header / Nav */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav li a:hover {
            background-color: #f1f5f9;
            color: var(--color-primary);
        }
        .main-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 8px 20px !important;
            border-radius: var(--radius-md) !important;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.35);
            transition: all var(--transition-normal) !important;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%) !important;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.5) !important;
            transform: translateY(-1px);
            background-color: transparent !important;
            color: #fff !important;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle:hover {
            background-color: #f1f5f9;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 6px 14px !important;
                font-size: 0.82rem !important;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .nav-cta-btn {
                text-align: center;
                margin-top: 4px;
            }
        }

        /* Section Base */
        .section {
            padding: 60px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            background: rgba(201, 169, 110, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 32px;
            max-width: 680px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Hero Bento */
        .hero-bento {
            background: linear-gradient(170deg, #f8f9fb 0%, #eef1f6 40%, #e8ecf2 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 0;
        }
        .hero-bento::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-bento .container {
            position: relative;
            z-index: 1;
        }
        .bento-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            align-items: stretch;
        }
        .bento-main {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
            min-height: 360px;
        }
        .bento-main::after {
            content: '';
            position: absolute;
            bottom: -30px;
            right: -30px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .bento-main .hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            width: fit-content;
        }
        .bento-main h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.03em;
            line-height: 1.25;
            position: relative;
            z-index: 1;
        }
        .bento-main .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 24px;
            line-height: 1.65;
            position: relative;
            z-index: 1;
            max-width: 480px;
        }
        .bento-sub {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: transform var(--transition-normal), box-shadow var(--transition-normal);
            cursor: default;
        }
        .bento-sub:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .bento-sub .sub-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .bento-sub .sub-icon.icon-gold {
            background: rgba(201, 169, 110, 0.15);
            color: var(--color-accent-dark);
        }
        .bento-sub .sub-icon.icon-blue {
            background: rgba(59, 130, 246, 0.12);
            color: #3b82f6;
        }
        .bento-sub .sub-info .sub-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .bento-sub .sub-info .sub-label {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            margin-top: 2px;
        }
        .bento-cta-strip {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-md);
            margin-top: 0;
            grid-column: 1 / -1;
        }
        .bento-cta-strip .cta-strip-text {
            color: #e2e8f0;
            font-size: 0.95rem;
            font-weight: 500;
            flex: 1;
            min-width: 200px;
        }
        .bento-cta-strip .cta-strip-text strong {
            color: var(--color-accent-light);
        }
        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.4);
            transition: all var(--transition-normal);
            white-space: nowrap;
            text-align: center;
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.55);
            background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
            color: #fff;
        }
        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            padding: 11px 26px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            border: 2px solid var(--color-border);
            transition: all var(--transition-normal);
            white-space: nowrap;
            text-align: center;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.04);
        }

        @media (max-width: 768px) {
            .bento-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                gap: 14px;
            }
            .bento-main {
                grid-row: span 1;
                padding: 28px 20px;
                min-height: auto;
            }
            .bento-main h1 {
                font-size: 1.7rem;
            }
            .bento-main .hero-desc {
                font-size: 0.95rem;
            }
            .bento-sub {
                padding: 18px 20px;
            }
            .bento-sub .sub-value {
                font-size: 1.3rem;
            }
            .bento-cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 16px 20px;
            }
            .hero-bento {
                padding: 36px 0;
            }
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }
        .strategy-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .strategy-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .strategy-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .strategy-card .card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .strategy-card .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            background: rgba(201, 169, 110, 0.12);
            padding: 3px 10px;
            border-radius: 14px;
            margin-bottom: 10px;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .strategy-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .strategy-card .card-desc {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.55;
            flex: 1;
        }
        .strategy-card .card-link {
            display: inline-block;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent-dark);
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .strategy-card .card-link:hover {
            color: var(--color-primary);
        }
        .strategy-card .card-link i {
            margin-left: 4px;
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }
        .strategy-card .card-link:hover i {
            transform: translateX(3px);
        }

        /* Process Steps */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
            counter-increment: step;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .process-step::before {
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin: 0 auto 14px;
        }
        .process-step .step-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .process-step .step-desc {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* Info Row */
        .info-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .info-row.reverse {
            direction: rtl;
        }
        .info-row.reverse .info-content {
            direction: ltr;
        }
        .info-row .info-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            direction: ltr;
        }
        .info-row .info-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            min-height: 280px;
        }
        @media (max-width: 768px) {
            .info-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .info-row.reverse {
                direction: ltr;
            }
            .info-row .info-image img {
                min-height: 200px;
                max-height: 300px;
            }
        }

        /* Highlight Box */
        .highlight-box {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 40px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .highlight-box .highlight-stat {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }
        .highlight-box .highlight-stat .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1.1;
        }
        .highlight-box .highlight-stat .stat-label {
            font-size: 0.88rem;
            color: #cbd5e1;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .highlight-box {
                padding: 28px 20px;
                gap: 20px;
                justify-content: center;
            }
            .highlight-box .highlight-stat .stat-value {
                font-size: 1.8rem;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafbfc;
        }
        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.65;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px 22px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(201, 169, 110, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #cbd5e1;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 14px 36px;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: #cbd5e1;
            padding: 48px 0 20px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.6;
            max-width: 360px;
        }
        .site-footer h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #e5e7eb;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 7px;
        }
        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: #6b7280;
            justify-content: space-between;
            align-items: center;
        }
        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent-light);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* Comparison Table */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .compare-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 16px 18px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: center;
            white-space: nowrap;
        }
        .compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.88rem;
            text-align: center;
            color: var(--color-text);
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-primary);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table tbody tr:hover {
            background: #fafbfc;
        }
        .badge-yes {
            display: inline-block;
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.85rem;
        }
        .badge-partial {
            display: inline-block;
            color: var(--color-warning);
            font-weight: 600;
            font-size: 0.85rem;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #b8934f;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #111827;
            --color-text: #2d3436;
            --color-text-weak: #636e72;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Top Bar */
        .topbar {
            background-color: var(--color-primary);
            color: #cbd5e1;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .topbar a {
            color: #e2e8f0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }
        .topbar a:hover {
            color: var(--color-accent-light);
        }
        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar .topbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* Header / Nav */
        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav li a:hover {
            background-color: #f1f5f9;
            color: var(--color-primary);
        }
        .main-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: var(--radius-md) !important;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.35);
            transition: all var(--transition-normal) !important;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%) !important;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.5) !important;
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        /* Section通用 */
        .section-padding {
            padding: 72px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 680px;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            background: rgba(201, 169, 110, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* Hero */
        .hero-security {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-security::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 54, 0.92) 0%, rgba(26, 31, 54, 0.78) 50%, rgba(17, 24, 39, 0.88) 100%);
            z-index: 1;
        }
        .hero-security .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 700px;
        }
        .hero-security .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-security .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 24px;
            padding: 7px 16px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #f1f5f9;
            backdrop-filter: blur(4px);
        }
        .hero-security .hero-badge i {
            color: var(--color-accent-light);
            font-size: 0.9rem;
        }
        .hero-security h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero-security .hero-desc {
            font-size: 1.1rem;
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-security .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.4);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .btn-accent:hover {
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .hero-security .hero-qualify-note {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            font-size: 0.85rem;
            color: #94a3b8;
        }
        .hero-security .hero-qualify-note i {
            color: var(--color-success);
            font-size: 1rem;
        }

        /* 安全体系卡片 */
        .security-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .security-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .security-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            flex-shrink: 0;
        }
        .security-card .card-icon.icon-blue {
            background: #eff6ff;
            color: #3b82f6;
        }
        .security-card .card-icon.icon-green {
            background: #ecfdf5;
            color: #10b981;
        }
        .security-card .card-icon.icon-amber {
            background: #fffbeb;
            color: #f59e0b;
        }
        .security-card .card-icon.icon-purple {
            background: #f5f3ff;
            color: #8b5cf6;
        }
        .security-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .security-card p {
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex-grow: 1;
        }

        /* 流程步骤 */
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }
        .step-list::before {
            content: '';
            position: absolute;
            left: 27px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            z-index: 0;
        }
        .step-list .step-item {
            display: flex;
            gap: 20px;
            position: relative;
            z-index: 1;
            padding: 16px 0;
        }
        .step-list .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--color-accent);
            color: var(--color-accent-dark);
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }
        .step-list .step-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .step-list .step-body p {
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* 认证卡片 */
        .cert-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .cert-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .cert-card .cert-icon {
            font-size: 2.6rem;
            color: var(--color-accent);
            margin-bottom: 14px;
        }
        .cert-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .cert-card p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            margin: 0;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-item .faq-question {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-item .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-item .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-text-weak);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 12px;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.06);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--color-bg-dark);
            color: #cbd5e1;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .site-footer .footer-desc {
            font-size: 0.88rem;
            color: #94a3b8;
            line-height: 1.6;
            max-width: 340px;
        }
        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #e2e8f0;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #94a3b8;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: #6b7280;
            justify-content: space-between;
            align-items: center;
        }
        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }
            .main-nav li a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .hero-security h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .hero-security {
                min-height: 420px;
                text-align: center;
            }
            .hero-security .hero-content {
                max-width: 100%;
            }
            .hero-security h1 {
                font-size: 1.8rem;
            }
            .hero-security .hero-desc {
                font-size: 0.95rem;
                max-width: 100%;
            }
            .hero-security .hero-badge-row {
                justify-content: center;
            }
            .hero-security .hero-cta-group {
                justify-content: center;
            }
            .hero-security .hero-qualify-note {
                justify-content: center;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .step-list .step-item {
                gap: 14px;
            }
            .step-list .step-number {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            .step-list::before {
                left: 21px;
            }
        }
        @media (max-width: 520px) {
            .hero-security h1 {
                font-size: 1.5rem;
            }
            .hero-security .hero-badge {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .btn-accent,
            .btn-outline-light {
                padding: 12px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-security .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .security-card {
                padding: 22px 18px;
            }
            .cert-card {
                padding: 20px 16px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #b8934f;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #111827;
            --color-text: #2d3436;
            --color-text-weak: #636e72;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

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

        .topbar {
            background-color: var(--color-primary);
            color: #cbd5e1;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .topbar a {
            color: #e2e8f0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }
        .topbar a:hover {
            color: var(--color-accent-light);
        }
        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar .topbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav li a:hover {
            background-color: #f1f5f9;
            color: var(--color-primary);
        }
        .main-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: var(--radius-sm) !important;
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.35);
            transition: all var(--transition-normal) !important;
        }
        .nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%) !important;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.5) !important;
            transform: translateY(-1px) !important;
            color: #fff !important;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
        }

        .page-hero {
            position: relative;
            background: linear-gradient(180deg, #1a1f36 0%, #252b45 60%, #1a1f36 100%);
            color: #fff;
            padding: 70px 0 60px;
            text-align: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--color-accent-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 18px;
            letter-spacing: 0.03em;
            border: 1px solid rgba(201, 169, 110, 0.3);
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .page-hero .hero-subtitle {
            font-size: 1.1rem;
            color: #cbd5e1;
            max-width: 650px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-search-wrap {
            max-width: 560px;
            margin: 0 auto;
            display: flex;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .hero-search-wrap input {
            flex: 1;
            border: none;
            padding: 16px 22px;
            font-size: 1rem;
            color: var(--color-text);
            font-family: var(--font-sans);
            outline: none;
            background: transparent;
        }
        .hero-search-wrap input::placeholder {
            color: var(--color-text-light);
        }
        .hero-search-wrap button {
            background: var(--color-accent);
            color: #fff;
            padding: 16px 26px;
            font-size: 1rem;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition-normal);
        }
        .hero-search-wrap button:hover {
            background: var(--color-accent-dark);
        }

        .section {
            padding: 60px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            text-align: center;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--color-text-weak);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }

        .faq-category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 36px;
        }
        .faq-category-tab {
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            background: var(--color-bg-white);
            border: 2px solid var(--color-border);
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .faq-category-tab:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }
        .faq-category-tab.active-tab {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .faq-group {
            margin-bottom: 36px;
        }
        .faq-group-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
            letter-spacing: -0.01em;
        }
        .faq-item {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d1d5db;
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--color-accent-dark);
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-weak);
            transition: all var(--transition-normal);
        }
        .faq-item[open] summary .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            color: var(--color-text-weak);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item .faq-answer p {
            margin-bottom: 8px;
        }
        .faq-item .faq-answer p:last-child {
            margin-bottom: 0;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #cbd5e1;
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-btn-large {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 600;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(201, 169, 110, 0.4);
            letter-spacing: 0.02em;
        }
        .cta-btn-large:hover {
            background: var(--color-accent-light);
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.55);
            transform: translateY(-2px);
        }

        .contact-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        .contact-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .contact-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: #d1d5db;
        }
        .contact-card .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #f8f9fb;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            color: var(--color-accent-dark);
        }
        .contact-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .contact-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        .site-footer {
            background: var(--color-bg-dark);
            color: #d1d5db;
            padding: 48px 0 20px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 30px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .site-footer .footer-desc {
            color: #9ca3af;
            line-height: 1.7;
            font-size: 0.88rem;
            max-width: 360px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .site-footer ul {
            list-style: none;
        }
        .site-footer ul li {
            margin-bottom: 7px;
        }
        .site-footer ul li a {
            color: #9ca3af;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.8rem;
            color: #9ca3af;
            justify-content: center;
            text-align: center;
        }
        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .section {
                padding: 44px 0;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 16px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .page-hero {
                padding: 44px 0 36px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
                padding: 0 8px;
            }
            .hero-search-wrap {
                max-width: 100%;
                margin: 0 8px;
            }
            .hero-search-wrap input {
                padding: 13px 16px;
                font-size: 0.9rem;
            }
            .hero-search-wrap button {
                padding: 13px 18px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section {
                padding: 34px 0;
            }
            .faq-category-tabs {
                gap: 6px;
            }
            .faq-category-tab {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.93rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.88rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-btn-large {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
            .contact-cards {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .faq-category-tab {
                padding: 7px 11px;
                font-size: 0.75rem;
            }
            .faq-group-title {
                font-size: 1.1rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #252b45;
            --color-accent: #c9a96e;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #b8934f;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #111827;
            --color-text: #2d3436;
            --color-text-weak: #636e72;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --topbar-height: 36px;
        }

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

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

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

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

        .topbar {
            background-color: var(--color-primary);
            color: #cbd5e1;
            font-size: 0.8rem;
            height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }

        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }

        .topbar a {
            color: #e2e8f0;
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

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

        .topbar .topbar-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }

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

        .site-header {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav li a:hover {
            background-color: #f1f5f9;
            color: var(--color-primary);
        }

        .main-nav li a.active {
            background-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .main-nav li a.nav-cta-btn {
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
            transition: all var(--transition-normal);
        }

        .main-nav li a.nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.45);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .mobile-menu-toggle:hover {
            background-color: #f1f5f9;
        }

        .site-footer {
            background-color: var(--color-bg-dark);
            color: #d1d5db;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

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

        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #9ca3af;
            max-width: 360px;
        }

        .site-footer h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #f3f4f6;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

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

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

        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: #6b7280;
            justify-content: center;
            text-align: center;
        }

        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }

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

        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.35);
            transition: all var(--transition-normal);
            text-align: center;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: 0 8px 28px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            padding: 13px 30px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            border: 2px solid var(--color-primary);
            transition: all var(--transition-normal);
            text-align: center;
            cursor: pointer;
        }

        .btn-outline:hover {
            background-color: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .section-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.12);
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        @media (max-width: 1024px) {
            .main-nav li a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .main-nav {
                gap: 2px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 16px 24px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .topbar .topbar-left span {
                display: none;
            }
            .topbar {
                font-size: 0.72rem;
            }
            .container {
                padding: 0 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1.2rem;
            }
            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .topbar .topbar-right {
                gap: 8px;
            }
            .topbar .topbar-right a {
                font-size: 0.7rem;
            }
        }