/* CSS Reset & Variables */
        :root {
            --primary-gradient: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 20%, #FFD200 40%, #4E9F3D 60%, #10B981 80%, #3B82F6 100%);
            --rainbow-bg: linear-gradient(135deg, rgba(255,107,107,0.05) 0%, rgba(78,159,61,0.05) 50%, rgba(59,130,246,0.05) 100%);
            --primary: #3B82F6;
            --primary-dark: #1E3A8A;
            --secondary: #10B981;
            --dark: #0f172a;
            --gray: #475569;
            --light-gray: #f8fafc;
            --border-color: #e2e8f0;
            --white: #ffffff;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-rainbow: 0 10px 30px -10px rgba(99, 102, 241, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-main);
            color: var(--dark);
            background-color: var(--white);
            background-image: var(--rainbow-bg);
            background-attachment: fixed;
            line-height: 1.6;
            overflow-x: hidden;
        }

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

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

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Section Global */
        section {
            padding: 5rem 0;
            position: relative;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 3rem;
            position: relative;
            font-weight: 800;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: var(--primary-gradient);
            margin: 0.8rem auto 0;
            border-radius: 2px;
        }

        /* Typography Utilities */
        .gradient-text {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .brand-name {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            list-style: none;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray);
            padding: 0.5rem 0.2rem;
            border-bottom: 2px solid transparent;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: var(--white);
            padding: 0.6rem 1.2rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero Section (No Images as requested) */
        .hero {
            padding: 8rem 0 6rem;
            text-align: center;
            position: relative;
            background: radial-gradient(circle at top, rgba(99,102,241,0.08) 0%, transparent 70%);
            overflow: hidden;
        }

        /* Abstract Rainbow bubbles in Background */
        .hero-bg-bubble {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            z-index: -1;
            opacity: 0.4;
        }

        .bubble-1 {
            width: 300px;
            height: 300px;
            background: #FF6B6B;
            top: -50px;
            left: 10%;
        }

        .bubble-2 {
            width: 400px;
            height: 400px;
            background: #3B82F6;
            bottom: -50px;
            right: 10%;
        }

        .hero-tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            background-color: rgba(59, 130, 246, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 1.5rem;
            letter-spacing: -1px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto 2.5rem;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.8rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: var(--white);
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 107, 107, 0.4);
        }

        .btn-secondary {
            background-color: var(--white);
            color: var(--dark);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background-color: var(--light-gray);
            border-color: var(--gray);
            transform: translateY(-3px);
        }

        /* 3. Data Indicators */
        .data-stats {
            background-color: rgba(255, 255, 255, 0.7);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 3rem 0;
            backdrop-filter: blur(10px);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }

        .stat-item {
            padding: 1rem;
        }

        .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 0.5rem;
        }

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

        /* 4. About Us & Platform Intro */
        .about {
            background-color: var(--white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .about-text p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .about-feat-card {
            background-color: var(--light-gray);
            padding: 1.5rem;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .about-feat-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-rainbow);
        }

        .about-feat-title {
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .about-feat-desc {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 5. AIGC Services Grid & Models */
        .services {
            background-color: var(--light-gray);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .service-card {
            background-color: var(--white);
            border-radius: 16px;
            padding: 2.5rem 2rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            font-weight: 700;
            color: var(--dark);
        }

        .service-card p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .model-list-wrapper {
            background-color: var(--white);
            border-radius: 16px;
            padding: 3rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .model-list-title {
            text-align: center;
            font-size: 1.5rem;
            margin-bottom: 2rem;
            font-weight: 700;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: center;
        }

        .model-tag {
            background-color: var(--light-gray);
            border: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
        }

        .model-tag:hover {
            background: var(--primary-gradient);
            color: var(--white);
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 6. One-stop AIGC Creation Scenes */
        .creation {
            background-color: var(--white);
        }

        .creation-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
        }

        .creation-card {
            background-color: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .creation-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .creation-body {
            padding: 2rem;
        }

        .creation-tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--secondary);
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .creation-title {
            font-size: 1.25rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }

        .creation-desc {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 1.5rem;
        }

        /* 7. Industry Solutions */
        .solutions {
            background-color: var(--light-gray);
        }

        .solution-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .sol-tab-btn {
            padding: 0.8rem 1.8rem;
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .sol-tab-btn.active, .sol-tab-btn:hover {
            background: var(--primary-gradient);
            color: var(--white);
            border-color: transparent;
        }

        .solution-content {
            background-color: var(--white);
            border-radius: 20px;
            padding: 3rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

        .sol-panel {
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .sol-panel.active {
            display: grid;
        }

        .sol-text h3 {
            font-size: 1.6rem;
            margin-bottom: 1.2rem;
            font-weight: 700;
        }

        .sol-text p {
            color: var(--gray);
            margin-bottom: 1.5rem;
        }

        .sol-list {
            list-style: none;
        }

        .sol-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.8rem;
            position: relative;
            font-weight: 500;
        }

        .sol-list li::before {
            content: "✓";
            color: var(--secondary);
            position: absolute;
            left: 0;
            font-weight: 900;
        }

        /* 8. Service Network */
        .network {
            background-color: var(--white);
            text-align: center;
        }

        .network-desc {
            max-width: 600px;
            margin: 0 auto 3rem;
            color: var(--gray);
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
        }

        .network-card {
            background-color: var(--light-gray);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            transition: var(--transition);
        }

        .network-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-rainbow);
        }

        .network-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        /* 9. Standardized Process & Tech Standards */
        .process {
            background-color: var(--light-gray);
        }

        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
            box-sizing: border-box;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left-item {
            left: 0;
        }

        .right-item {
            left: 50%;
        }

        .right-item::after {
            left: -10px;
        }

        .timeline-content {
            padding: 1.5rem;
            background-color: var(--white);
            position: relative;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .timeline-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--gray);
        }

        /* 10. Reviews & Evaluation Table */
        .reviews {
            background-color: var(--white);
        }

        .rating-box {
            background: var(--light-gray);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2.5rem;
            max-width: 600px;
            margin: 0 auto 4rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .stars {
            color: #FFD200;
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .score {
            font-size: 3rem;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }

        .compare-table-wrapper {
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            background-color: var(--white);
            box-shadow: var(--shadow-md);
            margin-bottom: 4rem;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 1.2rem 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: var(--light-gray);
            font-weight: 700;
            color: var(--dark);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table tr:hover td {
            background-color: rgba(99, 102, 241, 0.02);
        }

        .highlight-cell {
            font-weight: 700;
            color: var(--primary);
            background-color: rgba(59, 130, 246, 0.03);
        }

        /* 11. Customer Case Center */
        .cases {
            background-color: var(--light-gray);
        }

        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .case-card {
            background-color: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .case-img-container {
            width: 100%;
            height: 280px;
            overflow: hidden;
            background-color: var(--light-gray);
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-content {
            padding: 2rem;
        }

        .case-meta {
            font-size: 0.85rem;
            color: var(--gray);
            margin-bottom: 0.5rem;
        }

        .case-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .case-desc {
            font-size: 0.95rem;
            color: var(--gray);
        }

        /* 12. Token Price Reference */
        .token-price {
            background-color: var(--white);
        }

        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .price-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2rem;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .price-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .price-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--secondary);
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .price-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .price-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 0.5rem;
        }

        .price-value span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--gray);
        }

        .price-features {
            list-style: none;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            color: var(--gray);
        }

        .price-features li {
            margin-bottom: 0.5rem;
        }

        /* 13. AI Training Programs */
        .training {
            background-color: var(--light-gray);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 2rem;
        }

        .training-card {
            background-color: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 2rem;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-rainbow);
            transform: translateY(-5px);
        }

        .training-icon {
            font-size: 2.2rem;
            margin-bottom: 1.2rem;
        }

        .training-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .training-desc {
            font-size: 0.9rem;
            color: var(--gray);
        }

        /* 14. Help Center & Troubleshooting & Glossary */
        .help-center {
            background-color: var(--white);
        }

        .help-tabs-wrapper {
            max-width: 800px;
            margin: 0 auto 3rem;
        }

        .help-tabs {
            display: flex;
            border-bottom: 2px solid var(--border-color);
            justify-content: center;
        }

        .help-tab-btn {
            background: none;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            color: var(--gray);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
        }

        .help-tab-btn.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .help-panel {
            display: none;
            max-width: 800px;
            margin: 0 auto;
        }

        .help-panel.active {
            display: block;
        }

        .trouble-list, .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .trouble-item, .glossary-item {
            background-color: var(--light-gray);
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid var(--border-color);
        }

        .trouble-title, .glossary-title {
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .trouble-solution, .glossary-definition {
            font-size: 0.95rem;
            color: var(--gray);
        }

        /* 15. FAQ Section (Accordion) */
        .faq {
            background-color: var(--light-gray);
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-icon-state::after {
            content: '+';
            font-size: 1.4rem;
            color: var(--primary);
            font-weight: 400;
        }

        .faq-item.active .faq-icon-state::after {
            content: '−';
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 1.5rem;
            color: var(--gray);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-body {
            max-height: 200px;
            padding-bottom: 1.2rem;
        }

        /* 16. User Testimonials */
        .testimonials {
            background-color: var(--white);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .testimonial-card {
            background-color: var(--light-gray);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2.5rem;
            position: relative;
        }

        .testimonial-card::before {
            content: '“';
            position: absolute;
            top: 1rem;
            left: 1.5rem;
            font-size: 4rem;
            color: rgba(99, 102, 241, 0.1);
            font-family: serif;
            line-height: 1;
        }

        .test-text {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .test-info {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .test-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--white);
        }

        .test-name {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .test-role {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* 17. Partner / Agent Agency */
        .agency {
            background-color: var(--light-gray);
            text-align: center;
        }

        .agency-card {
            background-color: var(--white);
            border-radius: 20px;
            padding: 4rem 2rem;
            max-width: 900px;
            margin: 0 auto;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
        }

        .agency-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
        }

        .agency-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2.5rem;
            text-align: left;
        }

        .agency-feat-item {
            padding: 1rem;
            border-left: 3px solid var(--primary);
        }

        .agency-feat-title {
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .agency-feat-desc {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 18. Articles / Knowledge Base */
        .articles {
            background-color: var(--white);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .article-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.8rem;
            transition: var(--transition);
        }

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

        .article-tag {
            display: inline-block;
            padding: 0.2rem 0.6rem;
            background-color: rgba(59, 130, 246, 0.1);
            color: var(--primary);
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .article-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }

        .article-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        /* 19. Smart Match Form & Contact Us */
        .contact {
            background-color: var(--light-gray);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details {
            margin-bottom: 2rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .contact-text h4 {
            font-weight: 700;
            margin-bottom: 0.2rem;
        }

        .contact-text p {
            color: var(--gray);
            font-size: 0.95rem;
        }

        .qr-codes {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .qr-item {
            text-align: center;
            background-color: var(--white);
            padding: 1rem;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            width: 140px;
        }

        .qr-item img {
            width: 100%;
            height: auto;
            border-radius: 4px;
            margin-bottom: 0.5rem;
        }

        .qr-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--dark);
        }

        .form-card {
            background-color: var(--white);
            border-radius: 20px;
            padding: 3rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-lg);
        }

        .form-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
        }

        /* 20. Footer Area */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 4rem 0 2rem;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-logo-area {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .footer-title {
            color: var(--white);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 1.2rem;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .footer-links a {
            font-size: 0.9rem;
        }

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

        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .friendship-links a {
            font-size: 0.85rem;
            background-color: #1e293b;
            color: #94a3b8;
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
        }

        .friendship-links a:hover {
            color: var(--white);
            background-color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.85rem;
        }

        /* Floating Widgets */
        .floating-widget {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            z-index: 999;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            background-color: var(--white);
            border-radius: 50%;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-btn-primary {
            background: var(--primary-gradient);
            color: var(--white);
            border: none;
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--white);
            padding: 1rem;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            display: none;
            width: 150px;
            text-align: center;
        }

        .float-popover img {
            width: 100%;
            height: auto;
            border-radius: 4px;
            margin-bottom: 0.5rem;
        }

        .float-popover p {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--dark);
        }

        .float-btn-kefu:hover .float-popover {
            display: block;
        }

        /* Responsive Breakpoints */
        @media (max-width: 992px) {
            .about-grid, .sol-panel, .case-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 21px;
            }
            .right-item {
                left: 0%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                padding: 1.5rem;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }