/* 基础变量定义 - 浅色背景 + 高饱和度艳丽撞色 */
        :root {
            --bg-primary: #fcfcfd;
            --bg-secondary: #f3f4f6;
            --text-primary: #111827;
            --text-secondary: #4b5563;
            --accent-hot: #ff007f;      /* 艳粉 */
            --accent-cool: #00f0ff;     /* 亮青 */
            --accent-purple: #7c3aed;   /* 潮紫 */
            --accent-dark: #0f172a;     /* 深蓝黑 */
            --border-color: #e5e7eb;
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础样式复位 */
        * {
            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;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
        }
        body {
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
        }

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

        /* 按钮与徽章定义 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 9999px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            font-size: 0.95rem;
        }
        .btn-gradient {
            background: linear-gradient(135deg, var(--accent-hot) 0%, var(--accent-purple) 100%);
            color: #fff;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.3);
        }
        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.5);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--text-primary);
            color: var(--text-primary);
        }
        .btn-outline:hover {
            background: var(--text-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 9999px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }
        .badge-hot {
            background: rgba(255, 0, 127, 0.1);
            color: var(--accent-hot);
            border: 1px solid rgba(255, 0, 127, 0.2);
        }

        /* 头部导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(252, 252, 253, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .nav-menu {
            display: flex;
            gap: 24px;
        }
        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .nav-link:hover {
            color: var(--accent-hot);
        }
        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }
        .menu-toggle span {
            width: 25px;
            height: 2px;
            background: var(--text-primary);
            transition: var(--transition);
        }

        /* 头部占位区 */
        .header-placeholder {
            height: 70px;
        }

        /* 块级通用样式 */
        .section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-hot), var(--accent-cool));
            border-radius: 2px;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 1. 首页 Hero 首屏 (禁用任何图片) */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 0, 127, 0.08) 0%, transparent 50%),
                        #fff;
            padding: 100px 0 120px;
            text-align: center;
        }
        .hero-inner {
            max-width: 900px;
            margin: 0 auto;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
            background: linear-gradient(135deg, var(--accent-dark) 30%, var(--accent-hot) 80%, var(--accent-purple) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-lead {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
        }
        .hero-tagline-list {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .hero-tagline {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        .hero-tagline svg {
            color: var(--accent-hot);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -60px;
            position: relative;
            z-index: 10;
        }
        .stats-card {
            background: #fff;
            padding: 30px 24px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
        }
        .stats-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-hot);
        }
        .stats-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-purple);
            margin-bottom: 8px;
            background: linear-gradient(135deg, var(--accent-purple), var(--accent-hot));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .stats-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .about-desc {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .about-points li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .about-points li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent-hot);
            font-weight: 900;
            font-size: 1.2rem;
        }

        /* 3. 全平台 AIGC 服务 (支持AI平台标签云) */
        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 30px;
        }
        .model-tag {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: default;
        }
        .model-tag:hover {
            border-color: var(--accent-hot);
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.05), rgba(0, 240, 255, 0.05));
            transform: scale(1.05);
        }

        /* 4. 一站式 AIGC 制作 (主打场景) */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scene-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .scene-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--accent-hot), var(--accent-purple));
            opacity: 0;
            transition: var(--transition);
        }
        .scene-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .scene-card:hover::before {
            opacity: 1;
        }
        .scene-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 0, 127, 0.1);
            color: var(--accent-hot);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 1.5rem;
        }
        .scene-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .scene-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* 5. 全行业解决方案 & 6. 全国服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .sol-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }
        .sol-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--accent-purple);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .network-section {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.02) 0%, rgba(0, 240, 255, 0.02) 100%);
        }
        .network-wrap {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        .map-placeholder {
            margin-top: 30px;
            padding: 40px;
            background: #fff;
            border: 2px dashed var(--border-color);
            border-radius: 16px;
            display: inline-block;
            font-weight: 600;
            color: var(--text-secondary);
        }

        /* 7. 标准化 AIGC 流程 & 8. 技术标准 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            position: relative;
        }
        .step-num {
            font-size: 3rem;
            font-weight: 900;
            color: rgba(255, 0, 127, 0.1);
            position: absolute;
            top: 10px;
            right: 20px;
        }
        .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            margin-top: 10px;
        }

        /* 9. 客户案例中心 (包含横版素材、方版素材与宣传图) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .case-img-wrap {
            position: relative;
            background: #eaeaea;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .case-img-wrap img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.05);
        }
        .case-body {
            padding: 20px;
        }
        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--accent-hot);
            background: rgba(255, 0, 127, 0.05);
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .case-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .case-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* 10. 对比评测 */
        .compare-table-wrap {
            overflow-x: auto;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .compare-table th, .compare-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .compare-table th {
            background: var(--bg-secondary);
            font-weight: 700;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .highlight-row {
            background: rgba(0, 240, 255, 0.02);
        }
        .score-badge {
            background: var(--accent-hot);
            color: #fff;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 700;
            font-size: 0.85rem;
        }

        /* 12. Token比价参考 & 11. 智能需求匹配 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .price-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .price-card.featured {
            border: 2px solid var(--accent-hot);
            transform: scale(1.03);
        }
        .price-card:hover {
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }
        .price-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        .price-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .price-num span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .price-features {
            margin-bottom: 30px;
            text-align: left;
        }
        .price-features li {
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .train-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition);
        }
        .train-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-purple);
            box-shadow: 0 10px 25px rgba(124, 58, 237, 0.1);
        }
        .train-icon {
            font-size: 2rem;
            color: var(--accent-purple);
            margin-bottom: 16px;
        }
        .train-name {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.4;
        }

        /* 21. 加盟代理 */
        .agent-banner {
            background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent-purple) 100%);
            color: #fff;
            border-radius: 20px;
            padding: 60px 40px;
            text-align: center;
        }
        .agent-banner h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .agent-banner p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto 30px;
        }

        /* 16. FAQ 折叠面板 & 15. 帮助中心 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }
        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 700;
            padding: 12px 0;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-secondary);
            font-size: 0.95rem;
            padding-right: 24px;
        }
        .faq-answer p {
            padding-bottom: 16px;
        }
        .faq-item.active .faq-answer {
            max-height: 1000px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }
        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 400;
        }
        .faq-item.active .faq-icon::after {
            content: '−';
        }

        /* 17. 常见问题自助排查 & 18. AI术语百科 */
        .tools-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .tool-box {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }
        .tool-box h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 19. 行业资讯 / 知识库 (最新文章) */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-3px);
            border-color: var(--accent-hot);
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .news-link {
            font-size: 0.9rem;
            color: var(--accent-hot);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 用户评论 (6条) */
        .comments-section {
            background: var(--bg-secondary);
        }
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .comment-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 28px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-hot), var(--accent-cool));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
        }
        .user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }
        .user-info span {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .comment-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 20. 联系我们 & 表单 */
        .contact-wrap {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
        }
        .contact-info-panel {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
        }
        .info-item {
            margin-bottom: 24px;
        }
        .info-label {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .info-val {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .qr-wrap {
            margin-top: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .qr-img {
            width: 100px;
            height: 100px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 4px;
            background: #fff;
        }
        .form-panel {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--accent-hot);
            box-shadow: 0 0 0 3px rgba(255,0,127,0.1);
        }

        /* 页脚 */
        .footer {
            background: var(--accent-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            margin-bottom: 20px;
        }
        .footer-logo img {
            height: 36px;
            
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: var(--accent-cool);
        }
        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friendship-links a {
            color: rgba(255,255,255,0.5);
        }
        .friendship-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 浮动客服 & 返回顶部 */
        .fixed-widgets {
            position: fixed;
            bottom: 40px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .widget-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }
        .widget-btn:hover {
            background: var(--accent-hot);
            color: #fff;
            transform: translateY(-2px);
        }
        .widget-qr-pop {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            width: 120px;
        }
        .widget-btn:hover .widget-qr-pop {
            opacity: 1;
            visibility: visible;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -30px;
            }
            .scene-grid, .case-grid, .news-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.25rem;
            }
            .about-grid, .contact-wrap, .tools-grid, .solutions-grid {
                grid-template-columns: 1fr;
            }
            .steps-container {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid, .case-grid, .news-grid, .comments-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }