:root {
            --primary: #10b981;
            --primary-dark: #059669;
            --primary-light: #e6fbf2;
            --dark-bg: #0f172a;
            --light-bg: #f9fafb;
            --card-bg: #ffffff;
            --text-main: #1f2937;
            --text-muted: #4b5563;
            --text-light: #9ca3af;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --border-color: #e5e7eb;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font-family);
            color: var(--text-main);
            background-color: var(--light-bg);
        }

        body {
            line-height: 1.6;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 15px;
            color: var(--text-main);
            font-weight: 700;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            margin: 12px auto 0;
            border-radius: 2px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px;
            font-size: 1.1rem;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #ffffff !important;
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary) !important;
            border: 2px solid var(--primary);
        }

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-area img {
            max-height: 45px;
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            background: linear-gradient(135deg, var(--text-main), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li a {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
        }

        nav ul li a:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }

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

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

        /* 首屏 Hero Section (无图片) */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.08) 0%, rgba(255, 255, 255, 1) 90%);
            padding: 120px 0 90px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(var(--border-color) 1px, transparent 1px), linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.2;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            background-color: var(--primary-light);
            color: var(--primary-dark);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 24px;
        }

        .hero-title span {
            color: var(--primary-dark);
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        /* 数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.1);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 5px;
        }

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

        /* 关于我们 */
        .about {
            background-color: var(--card-bg);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 15px;
            font-size: 1.05rem;
        }

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

        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .highlight-item span {
            color: var(--primary-dark);
            font-weight: bold;
            font-size: 1.2rem;
        }

        /* 全平台AIGC服务 */
        .services {
            background-color: var(--light-bg);
        }

        .service-models-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-bottom: 50px;
            max-width: 1000px;
            margin-left: auto;
            margin-right: auto;
        }

        .model-tag {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
        }

        .model-tag:hover {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
            transform: scale(1.05);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary-dark);
        }

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

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

        /* 一站式AIGC制作 & 解决方案 */
        .one-stop-prod {
            background-color: var(--card-bg);
        }

        .prod-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .prod-grid:nth-child(even) {
            direction: rtl;
        }

        .prod-grid:nth-child(even) .prod-content {
            direction: ltr;
        }

        .prod-content h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .prod-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .prod-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .prod-features li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 8px;
            color: var(--text-muted);
        }

        .prod-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-dark);
            font-weight: bold;
        }

        .prod-image-wrapper {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
            border: 4px solid var(--border-color);
        }

        /* 全国服务网络 */
        .network {
            background-color: var(--light-bg);
            text-align: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .network-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
        }

        .network-card h4 {
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        /* 标准化AIGC流程 */
        .workflow {
            background-color: var(--card-bg);
        }

        .steps-container {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }

        .steps-container::before {
            content: '';
            position: absolute;
            top: 35px;
            left: 0;
            right: 0;
            height: 4px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .step-item {
            position: relative;
            z-index: 2;
            text-align: center;
            flex: 1;
            padding: 0 15px;
        }

        .step-num {
            width: 70px;
            height: 70px;
            background-color: var(--primary);
            color: #ffffff;
            font-size: 1.5rem;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            border: 6px solid #ffffff;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            transition: var(--transition);
        }

        .step-item:hover .step-num {
            transform: scale(1.1);
            background-color: var(--primary-dark);
        }

        .step-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

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

        /* 技术标准 */
        .tech-standards {
            background-color: var(--light-bg);
        }

        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .standard-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-top: 4px solid var(--primary);
            padding: 30px;
            border-radius: 8px;
        }

        .standard-card h3 {
            margin-bottom: 12px;
            color: var(--text-main);
        }

        /* 客户案例中心 */
        .cases {
            background-color: var(--card-bg);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--light-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }

        .case-img-container {
            height: 200px;
            overflow: hidden;
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-info h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

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

        /* 对比评测 */
        .evaluation {
            background-color: var(--light-bg);
        }

        .eval-rating-banner {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #ffffff;
            border-radius: 12px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            box-shadow: 0 10px 20px rgba(16, 185, 129, 0.2);
        }

        .eval-score {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1;
        }

        .stars {
            color: #fbbf24;
            font-size: 1.5rem;
        }

        .eval-table-wrapper {
            overflow-x: auto;
            background-color: var(--card-bg);
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        th, td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: #f3f4f6;
            font-weight: 700;
        }

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

        .highlight-col {
            background-color: var(--primary-light);
            font-weight: 600;
        }

        /* 智能需求匹配 */
        .matching {
            background-color: var(--card-bg);
        }

        .matching-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .matching-intro h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .matching-list {
            list-style: none;
            margin-top: 25px;
        }

        .matching-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            color: var(--text-muted);
        }

        /* Form Styling */
        .demand-form {
            background-color: var(--light-bg);
            padding: 35px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

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

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        }

        /* Token比价参考 */
        .token-pricing {
            background-color: var(--light-bg);
        }

        /* 职业技术培训 / 人工智能培训 */
        .training {
            background-color: var(--card-bg);
        }

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

        .training-card {
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 8px;
            background-color: var(--light-bg);
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            background-color: var(--card-bg);
            transform: translateY(-3px);
            box-shadow: 0 8px 16px rgba(0,0,0,0.05);
        }

        .cert-badge {
            background-color: #fee2e2;
            color: #ef4444;
            padding: 4px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }

        /* 帮助中心 & FAQ */
        .help-center {
            background-color: var(--light-bg);
        }

        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

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

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

        .faq-header::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--primary-dark);
            transition: var(--transition);
        }

        .faq-item.active .faq-header::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background-color: #fefefe;
        }

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

        /* 常见问题自助排查 */
        .troubleshooting {
            background-color: var(--card-bg);
        }

        .trouble-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .trouble-card {
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 8px;
        }

        .trouble-card h4 {
            color: #dc2626;
            margin-bottom: 10px;
        }

        /* AI术语百科 */
        .glossary {
            background-color: var(--light-bg);
        }

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

        .glossary-card {
            background-color: var(--card-bg);
            padding: 20px;
            border-radius: 8px;
            border-left: 3px solid var(--primary);
        }

        /* 行业资讯 / 知识库 */
        .articles {
            background-color: var(--card-bg);
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .article-item {
            background-color: var(--light-bg);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-item h4 {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        /* 用户评论 */
        .testimonials {
            background-color: var(--light-bg);
        }

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

        .review-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary-dark);
        }

        .user-meta h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

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

        /* 加盟代理 */
        .agent {
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(255,255,255,1) 100%);
            border: 1px solid var(--border-color);
        }

        .agent-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .agent-badge {
            background-color: #fef3c7;
            color: #d97706;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 15px;
        }

        /* 联系我们 */
        .contact {
            background-color: var(--card-bg);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-block {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-method {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .method-icon {
            width: 40px;
            height: 40px;
            background-color: var(--primary-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-weight: bold;
        }

        .qr-codes {
            display: flex;
            gap: 30px;
            margin-top: 20px;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 130px;
            height: 130px;
            border: 1px solid var(--border-color);
            padding: 5px;
            background-color: #fff;
            margin-bottom: 8px;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark-bg);
            color: #9ca3af;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

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

        .footer-col h4 {
            color: #ffffff;
            margin-bottom: 20px;
            font-size: 1rem;
        }

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

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

        .footer-col ul li a {
            color: #9ca3af;
        }

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

        .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 18px;
        }

        .friendship-links a {
            color: #9ca3af;
        }

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

        /* 侧边浮动 */
        .floating-bar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

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

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: white;
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
        }

        .float-qr p {
            color: var(--text-main);
            font-size: 0.75rem;
            margin-top: 4px;
        }

        .float-item:hover .float-qr {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .stats-grid, .services-grid, .cases-grid, .reviews-grid, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .prod-grid, .about-grid, .matching-wrapper, .agent-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .prod-grid:nth-child(even) {
                direction: ltr;
            }
            .steps-container {
                flex-wrap: wrap;
                gap: 30px;
            }
            .steps-container::before {
                display: none;
            }
            .step-item {
                flex: 0 0 45%;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: white;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                border-bottom: 1px solid var(--border-color);
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                padding: 20px;
                gap: 10px;
            }
            .menu-toggle {
                display: flex;
            }
            .stats-grid, .services-grid, .cases-grid, .reviews-grid, .training-grid, .trouble-grid, .glossary-grid, .network-grid {
                grid-template-columns: 1fr;
            }
            .step-item {
                flex: 0 0 100%;
            }
            .eval-rating-banner {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
        }