:root {
            --primary: #7c3aed;
            --primary-hover: #6d28d9;
            --secondary: #ec4899;
            --text-main: #1e1b4b;
            --text-muted: #4b5563;
            --bg-light: #faf8ff;
            --bg-white: #ffffff;
            --accent-purple: #c084fc;
            --accent-pink: #f472b6;
            --border-color: #e9e3f8;
            --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.05);
            --shadow-md: 0 8px 24px rgba(124, 58, 237, 0.08);
            --shadow-lg: 0 16px 32px rgba(124, 58, 237, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Base resets */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Common Heading & Subtitle Styles */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2rem;
            color: var(--text-main);
            margin-bottom: 12px;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--bg-white);
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
            filter: brightness(1.05);
        }
        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-secondary:hover {
            background-color: var(--bg-light);
            transform: translateY(-2px);
        }

        /* Header / Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-box {
            display: flex;
            align-items: center;
        }
        .logo-box img {
            max-height: 40px;
            width: auto;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-menu a:hover {
            color: var(--primary);
            background-color: rgba(124, 58, 237, 0.05);
        }
        .nav-btn-box {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--text-main);
        }

        /* Hero Section (No Image) */
        .hero-section {
            background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                        var(--bg-white);
            padding: 100px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-tag {
            display: inline-block;
            background: linear-gradient(90deg, rgba(124, 58, 237, 0.1), rgba(236, 72, 153, 0.1));
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }
        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -1px;
            color: var(--text-main);
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-content p {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.6;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }
        
        /* Data Indicators Grid (Inside Hero Section for styling variety) */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .metric-card {
            background-color: var(--bg-white);
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .metric-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* About & Platform Intro */
        .about-section {
            background-color: var(--bg-white);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 14px;
            font-size: 0.95rem;
            color: var(--text-main);
            font-weight: 500;
        }
        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            width: 20px;
            height: 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            font-weight: bold;
        }
        .about-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            background: var(--bg-light);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }
        .cloud-tag {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .cloud-tag:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--bg-white);
            transform: scale(1.05);
            border-color: transparent;
        }

        /* Services System Section */
        .services-section {
            background-color: var(--bg-light);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-purple);
        }
        .service-icon {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(236, 72, 153, 0.1));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-weight: bold;
        }
        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }
        .service-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .service-tags span {
            background-color: rgba(124, 58, 237, 0.05);
            color: var(--primary);
            font-size: 0.75rem;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* Workflow Step */
        .workflow-section {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
        }
        .workflow-timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .workflow-step {
            position: relative;
            text-align: center;
            background: var(--bg-light);
            border-radius: 12px;
            padding: 30px 20px;
            border: 1px solid var(--border-color);
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.2);
        }
        .workflow-step h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .workflow-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Solutions Section */
        .solutions-section {
            background-color: var(--bg-light);
        }
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .solution-header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            padding: 24px;
            color: var(--bg-white);
        }
        .solution-header h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }
        .solution-body {
            padding: 24px;
        }
        .solution-body ul {
            list-style: none;
            margin-bottom: 20px;
        }
        .solution-body ul li {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            padding-left: 18px;
            position: relative;
        }
        .solution-body ul li::before {
            content: "•";
            color: var(--primary);
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        /* Network & Technical Standards */
        .network-section {
            background-color: var(--bg-white);
        }
        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .network-text h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .network-text p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }
        .network-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .network-stat-card {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 10px;
        }
        .network-stat-card h4 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .network-stat-card p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .tech-standards {
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.02), rgba(236, 72, 153, 0.02));
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }
        .tech-standards h3 {
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .tech-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .tech-item {
            display: flex;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 8px;
        }
        .tech-label {
            font-weight: 600;
            font-size: 0.9rem;
        }
        .tech-val {
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
        }

        /* Cases Center (Image Gallery Component) */
        .cases-section {
            background-color: var(--bg-light);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #f3f4f6;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .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: 24px;
        }
        .case-content h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .case-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .case-tag {
            display: inline-block;
            background-color: rgba(124, 58, 237, 0.05);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* Comparison Section (Evaluation Table) */
        .comparison-section {
            background-color: var(--bg-white);
        }
        .comparison-badge {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--bg-white);
            padding: 12px 30px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: var(--shadow-sm);
            margin-bottom: 30px;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: var(--bg-white);
            min-width: 800px;
        }
        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }
        .comparison-table th {
            background-color: var(--bg-light);
            font-weight: 700;
            color: var(--text-main);
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tr.highlighted {
            background-color: rgba(124, 58, 237, 0.02);
        }
        .tag-check {
            color: #10b981;
            font-weight: 700;
        }
        .tag-cross {
            color: #ef4444;
        }

        /* Token Price Reference */
        .pricing-section {
            background-color: var(--bg-light);
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pricing-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 30px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            position: relative;
            transform: scale(1.03);
        }
        .pricing-card.featured::after {
            content: "超值推荐";
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .pricing-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .pricing-list {
            list-style: none;
            margin-bottom: 30px;
        }
        .pricing-list li {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        /* Training Section */
        .training-section {
            background-color: var(--bg-white);
        }
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .training-card {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition);
        }
        .training-card:hover {
            transform: translateY(-4px);
            background-color: var(--bg-white);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .training-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .training-card h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .training-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Customer Reviews (6 Comments) */
        .reviews-section {
            background-color: var(--bg-light);
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .review-stars {
            color: #fbbf24;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .review-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
            line-height: 1.6;
            min-height: 72px;
        }
        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
        }
        .reviewer-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #e9d5ff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
        }
        .reviewer-meta h4 {
            font-size: 0.9rem;
            color: var(--text-main);
        }
        .reviewer-meta p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Form (Smart Match) */
        .form-section {
            background-color: var(--bg-white);
        }
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: flex-start;
        }
        .form-info h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .form-info p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .form-box {
            background-color: var(--bg-light);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background-color: var(--bg-white);
            color: var(--text-main);
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        /* FAQ Accordion Section (Help Center, Troubleshooting & Glossary) */
        .faq-section {
            background-color: var(--bg-light);
        }
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 30px;
        }
        .faq-tab-btn {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 10px 24px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-tab-btn.active, .faq-tab-btn:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-color: transparent;
        }
        .faq-list {
            display: none;
        }
        .faq-list.active {
            display: block;
        }
        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-question::after {
            content: "+";
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item.active .faq-question::after {
            content: "−";
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--bg-light);
        }
        .faq-answer-inner {
            padding: 20px 24px;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        /* News / Knowledge Base (19. 行业资讯 / 知识库) */
        .news-section {
            background-color: var(--bg-white);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background-color: var(--bg-light);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            background-color: var(--bg-white);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--text-main);
            line-height: 1.4;
        }
        .news-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-link:hover {
            text-decoration: underline;
        }

        /* Footer */
        footer {
            background-color: #0f0a1c;
            color: #d1d5db;
            padding: 60px 0 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-info h3 {
            color: var(--bg-white);
            margin-bottom: 16px;
            font-size: 1.25rem;
        }
        .footer-info p {
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .footer-links h4 {
            color: var(--bg-white);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links ul li a {
            color: #9ca3af;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .footer-links ul li a:hover {
            color: var(--primary);
        }
        .footer-qrcode {
            text-align: center;
        }
        .footer-qrcode img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            margin-bottom: 8px;
        }
        .footer-qrcode p {
            font-size: 0.75rem;
            color: #9ca3af;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
        }
        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friendship-links a {
            color: #9ca3af;
            text-decoration: none;
        }
        .friendship-links a:hover {
            color: var(--primary);
        }

        /* Floating Contact Widget */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .widget-item {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }
        .widget-item:hover {
            transform: scale(1.05);
        }
        .widget-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
            box-shadow: var(--shadow-lg);
            width: 220px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            color: var(--text-main);
        }
        .widget-item:hover .widget-popover {
            opacity: 1;
            visibility: visible;
        }
        .widget-popover img {
            width: 100%;
            height: auto;
            border-radius: 6px;
            margin-bottom: 8px;
        }
        .widget-popover p {
            font-size: 0.8rem;
            text-align: center;
            margin: 0;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .solutions-grid, .cases-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .workflow-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 12px;
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .about-grid, .network-grid, .form-layout, .footer-grid {
                grid-template-columns: 1fr;
            }
            .services-grid, .solutions-grid, .cases-grid, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workflow-timeline {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .pricing-card.featured {
                transform: none;
            }
            .floating-widget {
                right: 12px;
                bottom: 20px;
            }
        }