:root {
            --primary: #10b981;
            --primary-hover: #059669;
            --primary-light: #e6f7f0;
            --secondary: #06b6d4;
            --dark: #0f172a;
            --light: #f8fafc;
            --text-main: #334155;
            --text-dark: #0f172a;
            --border: #e2e8f0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --container-width: 1200px;
        }

        * {
            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-main);
            background-color: #fbfdfc;
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 统一块间距 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title h2 {
            font-size: 2rem;
            color: var(--text-dark);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            display: block;
            width: 40px;
            height: 4px;
            background: var(--primary);
            margin: 8px auto 0;
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
        }

        .btn-secondary {
            background-color: white;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

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

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

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

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

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

        .logo-box span {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-link {
            font-size: 0.95rem;
            color: var(--text-main);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .nav-btn {
            background-color: var(--primary);
            color: white;
            padding: 8px 20px;
            border-radius: 6px;
            font-weight: 600;
        }

        .nav-btn:hover {
            background-color: var(--primary-hover);
        }

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

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

        /* 1. 首页 (Hero) - 纯内容无图 */
        .hero {
            padding-top: 140px;
            padding-bottom: 90px;
            background: radial-gradient(circle at 80% 20%, #e8f8f2 0%, #ffffff 80%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            background-color: rgba(16, 185, 129, 0.05);
            border-radius: 50%;
            filter: blur(60px);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .hero h1 {
            font-size: 2.75rem;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--text-main);
            margin-bottom: 36px;
            line-height: 1.6;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 48px;
        }

        /* 2. 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .metric-card {
            background-color: white;
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .metric-num {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-main);
            font-weight: 500;
        }

        /* 3. 关于我们 + 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 16px;
            line-height: 1.8;
        }

        .about-feature-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .about-feature-item::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        .about-image-wrapper {
            background-color: var(--primary-light);
            border-radius: 20px;
            padding: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .about-image-wrapper img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
        }

        /* 4. 全平台AIGC服务 */
        .model-showcase {
            background-color: var(--bg-light);
            padding: 80px 0;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 30px;
        }

        .model-tag {
            background-color: white;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border);
            color: var(--text-dark);
            transition: var(--transition);
        }

        .model-tag:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* 5. 一站式AIGC制作 (场景展示) */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background-color: white;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .scenario-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .scenario-icon {
            width: 48px;
            height: 48px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 20px;
        }

        .scenario-card h3 {
            font-size: 1.25rem;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .scenario-card p {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* 6. 全行业解决方案 + 7. 全国服务网络 + 8. 技术标准 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            align-items: center;
        }

        .solution-images {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .solution-images img {
            width: 100%;
            border-radius: 12px;
            box-shadow: var(--shadow);
            object-fit: cover;
        }

        .network-list {
            margin-top: 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .network-item {
            background-color: var(--light);
            padding: 16px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }

        .network-item h4 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .network-item p {
            font-size: 0.85rem;
        }

        /* 9. 标准化AIGC流程 */
        .steps-container {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }

        .steps-container::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 5%;
            right: 5%;
            height: 2px;
            background-color: var(--border);
            z-index: 0;
        }

        .step-item {
            position: relative;
            z-index: 1;
            text-align: center;
            width: 18%;
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: white;
            border: 2px solid var(--primary);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 16px;
            transition: var(--transition);
        }

        .step-item:hover .step-num {
            background-color: var(--primary);
            color: white;
        }

        .step-item h3 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.8rem;
        }

        /* 10. 对比评测 */
        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            background-color: var(--primary-light);
            padding: 24px;
            border-radius: 12px;
        }

        .rating-score {
            text-align: center;
        }

        .rating-score .score {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .rating-score .label {
            font-size: 0.85rem;
            font-weight: 600;
        }

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

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

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

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

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

        .comparison-table td strong {
            color: var(--primary);
        }

        /* 11. Token比价参考 + 12. 职业技术培训 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 60px;
        }

        .price-card {
            background-color: white;
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .price-card.popular {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .price-card.popular::before {
            content: '推荐';
            position: absolute;
            top: 12px;
            right: 12px;
            background-color: var(--primary);
            color: white;
            padding: 2px 8px;
            font-size: 0.75rem;
            border-radius: 4px;
            font-weight: bold;
        }

        .price-header {
            padding: 30px 24px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }

        .price-header h3 {
            font-size: 1.25rem;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .price-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
        }

        .price-num span {
            font-size: 0.9rem;
            font-weight: normal;
            color: var(--text-main);
        }

        .price-features {
            padding: 24px;
            flex-grow: 1;
        }

        .price-features li {
            margin-bottom: 12px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-features li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        .price-btn {
            padding: 20px;
            text-align: center;
            background-color: var(--light);
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

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

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .training-card h4 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .training-card p {
            font-size: 0.8rem;
        }

        /* 13. 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background-color: white;
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            position: relative;
        }

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

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

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

        .comment-info span {
            font-size: 0.8rem;
            color: var(--text-main);
        }

        .comment-text {
            font-size: 0.9rem;
            line-height: 1.6;
            position: relative;
            z-index: 1;
        }

        /* 14. 智能需求匹配 + 常见问题自助排查 */
        .form-section {
            background-color: var(--bg-light);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: flex-start;
        }

        .form-box {
            background-color: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-light);
        }

        textarea.form-control {
            height: 120px;
            resize: vertical;
        }

        .troubleshoot-box {
            background-color: white;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 30px;
        }

        .troubleshoot-box h3 {
            font-size: 1.25rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .troubleshoot-list li {
            margin-bottom: 16px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }

        .troubleshoot-list li:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .troubleshoot-list h4 {
            font-size: 0.95rem;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .troubleshoot-list p {
            font-size: 0.85rem;
        }

        /* 15. FAQ 折叠面板 + AI术语百科 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 48px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 8px;
            background-color: white;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 16px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-dark);
            background-color: white;
            transition: var(--transition);
        }

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

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

        .faq-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            font-size: 0.9rem;
            color: var(--text-main);
            border-top: 0px solid transparent;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-item.active .faq-content {
            padding: 16px 24px;
            max-height: 200px;
            border-top: 1px solid var(--border);
        }

        .glossary-box {
            background-color: var(--light);
            border-radius: 12px;
            padding: 24px;
        }

        .glossary-box h3 {
            font-size: 1.2rem;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .glossary-item {
            margin-bottom: 16px;
        }

        .glossary-item h4 {
            font-size: 0.95rem;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .glossary-item p {
            font-size: 0.8rem;
            line-height: 1.5;
        }

        /* 16. 知识库与文章 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }

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

        .article-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .article-info {
            padding: 20px;
        }

        .article-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            margin-bottom: 12px;
        }

        .article-info h3 {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .article-info p {
            font-size: 0.85rem;
            margin-bottom: 16px;
        }

        .article-link {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

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

        /* 17. 底部导航与友情链接 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: none;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .ai-page-logo {
            height: 40px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            margin-bottom: 16px;
        }

        .footer-links h3 {
            color: white;
            font-size: 1.05rem;
            margin-bottom: 18px;
        }

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

        .footer-links a {
            font-size: 0.85rem;
        }

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

        .footer-qrcode {
            text-align: center;
        }

        .footer-qrcode img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            margin-bottom: 8px;
            background-color: white;
            padding: 5px;
        }

        .footer-qrcode p {
            font-size: 0.8rem;
        }

        .friend-links {
            padding: 20px 0;
            border-top: 1px solid #334155;
            border-bottom: 1px solid #334155;
            margin-bottom: 24px;
        }

        .friend-links h4 {
            color: white;
            font-size: 0.9rem;
            margin-bottom: 12px;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .friend-links-list a {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        .friend-links-list a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        /* 18. 悬浮客服 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

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

        .float-item:hover {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
            transform: scale(1.05);
        }

        .float-item.kefu-trigger:hover .float-qrcode-box {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .float-qrcode-box {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: white;
            border-radius: 12px;
            padding: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: var(--transition);
            text-align: center;
            width: 140px;
        }

        .float-qrcode-box img {
            width: 100px;
            height: 100px;
            display: block;
            margin: 0 auto 8px;
        }

        .float-qrcode-box p {
            font-size: 0.75rem;
            color: var(--text-dark);
            white-space: nowrap;
        }

        .back-to-top {
            display: none;
        }

        .back-to-top.show {
            display: flex;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .solution-grid, .form-grid, .faq-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: white;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
            }

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

            .menu-toggle {
                display: flex;
            }

            .menu-toggle.active span:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }
            .menu-toggle.active span:nth-child(2) {
                opacity: 0;
            }
            .menu-toggle.active span:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }

            .hero h1 {
                font-size: 2rem;
            }

            .steps-container {
                flex-direction: column;
                gap: 24px;
            }

            .steps-container::before {
                display: none;
            }

            .step-item {
                width: 100%;
            }

            .pricing-grid, .comments-grid, .articles-grid {
                grid-template-columns: 1fr;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
        }