/* CSS Reset & Variables */
        :root {
            --primary: #7c3aed;
            --primary-dark: #6d28d9;
            --primary-light: #f5f3ff;
            --secondary: #db2777;
            --secondary-dark: #be185d;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --bg-light: #fcfbfe;
            --bg-pure: #ffffff;
            --accent-purple: #f3e8ff;
            --border-color: #e2e8f0;
            --card-shadow: 0 10px 30px -10px rgba(124, 58, 237, 0.08);
            --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-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

        body {
            line-height: 1.6;
        }

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

        section {
            padding: 80px 0;
            position: relative;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
        }

        h2 {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 50px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Header & Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-dark);
        }

        .logo-area img {
            height: 40px;
            display: block;
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 24px;
            align-items: center;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: var(--primary);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.2);
        }

        .nav-btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

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

        /* Hero Section (No Images as instructed) */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(243, 232, 255, 0.7) 0%, rgba(253, 244, 255, 0.5) 50%, var(--bg-light) 100%);
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background-color: var(--accent-purple);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(124, 58, 237, 0.15);
        }

        .hero-title {
            font-size: 3rem;
            max-width: 900px;
            margin: 0 auto 24px auto;
            color: var(--text-dark);
            background: linear-gradient(135deg, #1e1b4b 30%, #6d28d9 70%, #db2777 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 40px auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: 0 8px 25px rgba(124, 58, 237, 0.25);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(124, 58, 237, 0.35);
        }

        .btn-secondary {
            background-color: var(--bg-pure);
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 60px;
        }

        .stat-card {
            background-color: var(--bg-pure);
            padding: 30px 24px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

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

        /* Platform Introduction Section */
        .intro-section {
            background-color: var(--bg-pure);
        }

        .intro-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .intro-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .intro-features {
            list-style: none;
            margin: 24px 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .intro-features li {
            position: relative;
            padding-left: 28px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .intro-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .intro-card {
            background: linear-gradient(135deg, var(--primary-light), #fae8ff);
            border: 1px solid var(--accent-purple);
            padding: 40px;
            border-radius: 16px;
            text-align: center;
        }

        .intro-card-icon {
            font-size: 3rem;
            margin-bottom: 20px;
        }

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

        .service-card {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 32px;
            transition: var(--transition);
            box-shadow: var(--card-shadow);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2.2rem;
            margin-bottom: 20px;
            display: inline-block;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Tag Cloud for Models */
        .tag-cloud-container {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            margin-top: 40px;
        }

        .tag-cloud-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-align: center;
            color: var(--text-dark);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .tag {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid rgba(124, 58, 237, 0.1);
        }

        .tag:hover {
            background-color: var(--primary);
            color: #ffffff;
            transform: scale(1.05);
        }

        /* AIGC Production Showcases */
        .production-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 60px;
        }

        .production-img-wrapper {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
        }

        .production-img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

        .production-img-wrapper img:hover {
            transform: scale(1.03);
        }

        /* Service Network & Standardized Process */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .network-card {
            background-color: var(--bg-pure);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
            box-shadow: var(--card-shadow);
        }

        .network-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 16px;
        }

        /* Process Steps */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
            position: relative;
        }

        .process-step {
            background-color: var(--bg-pure);
            padding: 30px 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            position: relative;
            text-align: center;
            box-shadow: var(--card-shadow);
        }

        .step-num {
            position: absolute;
            top: -15px;
            left: 50px;
            transform: translateX(-50%);
            background-color: var(--secondary);
            color: #ffffff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .process-step h3 {
            margin-top: 10px;
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

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

        /* Technical Standards */
        .standards-container {
            background-color: var(--bg-pure);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 40px;
            margin-top: 40px;
            box-shadow: var(--card-shadow);
        }

        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .standard-item h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .standard-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Contrast Evaluation Section */
        .rating-badge {
            display: inline-flex;
            align-items: center;
            background-color: #fef08a;
            color: #854d0e;
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 24px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
            background-color: var(--bg-pure);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.95rem;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: var(--primary-light);
            color: var(--text-dark);
            font-weight: 700;
        }

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

        .highlight-col {
            background-color: rgba(124, 58, 237, 0.03);
            font-weight: 600;
        }

        /* Token比价参考 Style */
        .pricing-section {
            background-color: var(--bg-pure);
        }

        /* Training / Vocational courses */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .training-card {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

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

        .training-card h3 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 12px;
            min-height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .training-badge {
            background-color: var(--secondary-dark);
            color: #ffffff;
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }

        /* Cases Center */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .case-card {
            background-color: var(--bg-pure);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .case-img-container {
            width: 100%;
            height: 220px;
            overflow: hidden;
            position: relative;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            display: block;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* User Reviews Section */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .review-card {
            background-color: var(--bg-pure);
            padding: 32px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
        }

        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .reviewer-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .reviewer-meta h4 {
            font-size: 0.95rem;
            color: var(--text-dark);
        }

        .reviewer-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-style: italic;
        }

        /* Form / Demand matching */
        .form-section {
            background-color: var(--primary-light);
        }

        .form-container {
            max-width: 650px;
            margin: 0 auto;
            background-color: var(--bg-pure);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }

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

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

        .faq-item {
            background-color: var(--bg-pure);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .faq-header {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            user-select: none;
            transition: var(--transition);
        }

        .faq-header:hover {
            background-color: var(--primary-light);
        }

        .faq-icon {
            font-weight: bold;
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-content {
            padding: 0 24px 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Articles & Knowledge Base */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .article-card {
            background-color: var(--bg-pure);
            padding: 28px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

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

        .article-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: block;
        }

        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card h3 a {
            text-decoration: none;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .article-card h3 a:hover {
            color: var(--primary);
        }

        .article-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Contact & Agency section */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
        }

        .contact-info-panel {
            background-color: var(--bg-pure);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
        }

        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
            background-color: var(--primary-light);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-text h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .contact-text p, .contact-text a {
            font-size: 0.95rem;
            color: var(--text-muted);
            text-decoration: none;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .qr-card {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
            background-color: var(--bg-light);
        }

        .qr-card img {
            width: 100%;
            max-width: 140px;
            height: auto;
            border-radius: 8px;
            display: block;
            margin: 0 auto 12px auto;
        }

        .qr-card span {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        .agency-panel {
            background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
            color: #ffffff;
            padding: 40px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .agency-panel h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .agency-benefits {
            list-style: none;
            margin: 24px 0;
        }

        .agency-benefits li {
            padding: 8px 0;
            padding-left: 24px;
            position: relative;
            font-size: 0.95rem;
            color: #e2e8f0;
        }

        .agency-benefits li::before {
            content: "✦";
            position: absolute;
            left: 0;
            color: var(--secondary);
        }

        /* Footer & Links */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 3fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 1.25rem;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-links-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: flex-end;
        }

        .footer-links-group h5 {
            font-size: 0.95rem;
            color: #ffffff;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .footer-links-group ul {
            list-style: none;
        }

        .footer-links-group ul li {
            margin-bottom: 10px;
        }

        .footer-links-group ul li a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links-group ul li a:hover {
            color: #ffffff;
        }

        .friendship-links {
            border-top: 1px solid #1e293b;
            padding: 24px 0;
            margin-top: 40px;
            font-size: 0.85rem;
        }

        .friendship-links a {
            color: #94a3b8;
            text-decoration: none;
            margin-right: 16px;
            display: inline-block;
            transition: var(--transition);
        }

        .friendship-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }

        /* Float Bar */
        .float-bar {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-item {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            font-weight: bold;
            font-size: 0.85rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .float-item:hover {
            transform: translateY(-3px);
            background-color: var(--primary-dark);
        }

        .float-kefu {
            position: relative;
        }

        .float-kefu-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--bg-pure);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 16px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
            width: 180px;
            display: none;
            text-align: center;
            z-index: 1001;
        }

        .float-kefu-popover img {
            width: 100%;
            height: auto;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .float-kefu-popover span {
            font-size: 0.8rem;
            color: var(--text-dark);
            font-weight: bold;
        }

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

        /* Responsive Design */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--bg-pure);
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--border-color);
                gap: 16px;
                box-shadow: var(--card-shadow);
            }

            .nav-menu.active {
                display: flex;
            }

            .mobile-toggle {
                display: flex;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .intro-layout, .production-layout, .contact-layout, .footer-grid {
                grid-template-columns: 1fr;
            }

            .intro-features {
                grid-template-columns: 1fr;
            }

            .network-grid, .process-flow, .standards-grid {
                grid-template-columns: 1fr;
            }

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

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

            .footer-links-wrapper {
                justify-content: flex-start;
            }
        }