/* 斑斓彩调风 核心全局变量 */
        :root {
            --primary-grad: linear-gradient(135deg, #ff4e50 0%, #f9d423 30%, #20e2d7 70%, #f62681 100%);
            --rainbow-1: #ff3b30;
            --rainbow-2: #ff9500;
            --rainbow-3: #4cd964;
            --rainbow-4: #5ac8fa;
            --rainbow-5: #007aff;
            --rainbow-6: #5856d6;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-base: #f8fafc;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --radius-lg: 16px;
            --radius-md: 8px;
            --container-w: 1200px;
            --transition-smooth: 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-base);
            color: var(--text-main);
        }

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

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

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

        /* 按钮设计 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 99px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-smooth);
            border: none;
            text-align: center;
        }

        .btn-gradient {
            background: var(--primary-grad);
            background-size: 300% 300%;
            color: #ffffff;
            animation: gradient-move 8s infinite alternate;
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
        }

        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.5);
        }

        .btn-outline {
            border: 2px solid #e2e8f0;
            background: transparent;
            color: var(--text-main);
        }

        .btn-outline:hover {
            border-color: #6366f1;
            color: #6366f1;
            transform: translateY(-2px);
        }

        @keyframes gradient-move {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        /* 斑斓文字渐变效果 */
        .text-rainbow {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            height: 70px;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

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

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

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ff4e50, #f62681);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }

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

        .nav-menu a:hover, .nav-menu a.active {
            color: var(--text-main);
            background: rgba(0, 0, 0, 0.05);
        }

        /* 移动端菜单切换按钮 */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--text-main);
        }

        /* Hero 首屏 - 无任何图片 */
        .hero-section {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 10% 20%, rgba(246, 38, 129, 0.05) 0%, rgba(32, 226, 215, 0.05) 90%);
            text-align: center;
            position: relative;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 300px;
            background: radial-gradient(circle, rgba(249, 212, 35, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
            pointer-events: none;
        }

        .hero-h1 {
            font-size: 2.75rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero-sub {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 36px;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

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

        .stat-card {
            background: var(--bg-card);
            padding: 24px;
            border-radius: var(--radius-lg);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .stat-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-grad);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.06);
        }

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.875rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 通用区块样式 */
        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .section-desc {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.1rem;
        }

        /* 平台介绍与关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .feature-bullets {
            list-style: none;
        }

        .feature-bullets li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .feature-bullets li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #10b981;
            font-weight: bold;
            font-size: 1.1rem;
        }

        /* 渐变装饰框 */
        .rainbow-outline-box {
            background: linear-gradient(135deg, rgba(255,78,80,0.1), rgba(32,226,215,0.1));
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 2px dashed rgba(246, 38, 129, 0.3);
        }

        /* 服务能力卡片 (全平台AIGC服务 & 一站式制作) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            padding: 36px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08);
            border-color: transparent;
        }

        .service-card::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-lg);
            padding: 2px;
            background: var(--primary-grad);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: var(--transition-smooth);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(99, 102, 241, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 24px;
            color: #6366f1;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

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

        /* 支持的 AI 平台标签云 */
        .platform-cloud {
            margin-top: 40px;
            background: var(--bg-card);
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .platform-cloud h4 {
            margin-bottom: 20px;
            font-weight: 700;
        }

        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag {
            padding: 8px 16px;
            background: var(--bg-base);
            border-radius: 99px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

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

        /* 全行业解决方案 & 服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .solution-item {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border-color);
            display: flex;
            gap: 20px;
        }

        .solution-num {
            font-size: 2rem;
            font-weight: 800;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .solution-body h4 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

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

        /* 标准化流程 & 技术标准时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background: var(--border-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
            box-sizing: border-box;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--bg-card);
            border: 4px solid #f62681;
            border-radius: 50%;
            top: 30px;
            z-index: 1;
        }

        .timeline-item.left {
            left: 0;
            text-align: right;
        }

        .timeline-item.right {
            left: 50%;
        }

        .timeline-item.right::after {
            left: -10px;
        }

        .timeline-content {
            background: var(--bg-card);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .timeline-content h4 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

        /* 对比评测板块 */
        .evaluation-box {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
            margin-bottom: 40px;
        }

        .eval-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 24px;
            margin-bottom: 30px;
        }

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

        .rating-num {
            font-size: 3rem;
            font-weight: 900;
            color: #ff9500;
        }

        .rating-stars {
            color: #ff9500;
            font-size: 1.5rem;
        }

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

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

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

        .compare-table th {
            background: var(--bg-base);
            font-weight: 700;
        }

        .compare-table tr:hover {
            background: rgba(0,0,0,0.01);
        }

        .highlight-col {
            background: rgba(246, 38, 129, 0.03);
            font-weight: 600;
        }

        /* 案例展示区 */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .gallery-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .gallery-card:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
        }

        .gallery-img-container {
            width: 100%;
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--border-color);
        }

        .gallery-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
        }

        .gallery-card:hover .gallery-img-container img {
            transform: scale(1.05);
        }

        .gallery-info {
            padding: 20px;
        }

        .gallery-info h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-weight: 700;
        }

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

        /* 职业技术培训板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--bg-card);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition-smooth);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: #f62681;
            box-shadow: 0 8px 20px rgba(246, 38, 129, 0.1);
        }

        .training-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

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

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .comment-card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            position: relative;
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
        }

        .comment-text {
            font-style: italic;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

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

        .user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .user-info h5 {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .user-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 帮助中心与 FAQ 折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            transition: var(--transition-smooth);
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0,0,0,0.01);
        }

        .faq-answer-content {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* AI术语百科 */
        .encyclopedia-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

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

        .term-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .term-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 需求表单与联系加盟 */
        .contact-section-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .form-card {
            background: var(--bg-card);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
        }

        .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: var(--radius-md);
            outline: none;
            transition: var(--transition-smooth);
            font-size: 0.95rem;
        }

        .form-control:focus {
            border-color: #6366f1;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

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

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 30px;
        }

        .info-card {
            background: var(--bg-card);
            padding: 20px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .info-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 5px;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--bg-card);
            padding: 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }

        .qr-item {
            text-align: center;
            flex: 1;
        }

        .qr-item img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 8px;
            border: 1px solid var(--border-color);
        }

        .qr-item span {
            font-size: 0.8rem;
            font-weight: 600;
            display: block;
        }

        /* 资讯与最新文章 */
        .articles-list {
            margin-top: 30px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .article-item {
            background: var(--bg-card);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition-smooth);
        }

        .article-item:hover {
            transform: translateX(5px);
            border-color: #6366f1;
        }

        .article-item a {
            font-weight: 600;
            color: var(--text-main);
        }

        .article-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: #ffffff;
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 1.05rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

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

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

        .footer-links ul li a {
            font-size: 0.9rem;
            color: #94a3b8;
        }

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

        .friend-links-box {
            grid-column: span 3;
            border-top: 1px solid #1e293b;
            padding-top: 30px;
        }

        .friend-links-box h5 {
            color: #ffffff;
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links-list a {
            font-size: 0.85rem;
            color: #64748b;
        }

        .friend-links-list a:hover {
            color: #38bdf8;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.8rem;
        }

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

        .float-btn {
            width: 50px;
            height: 50px;
            background: #ffffff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition-smooth);
            border: 1px solid var(--border-color);
        }

        .float-btn:hover {
            transform: scale(1.1);
            background: var(--primary-grad);
            color: #ffffff;
        }

        .float-btn .qr-tooltip {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            padding: 15px;
            border-radius: var(--radius-lg);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            border: 1px solid var(--border-color);
        }

        .float-btn .qr-tooltip img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            display: block;
            margin-bottom: 5px;
        }

        .float-btn .qr-tooltip span {
            font-size: 0.75rem;
            color: var(--text-main);
            font-weight: 600;
            white-space: nowrap;
        }

        .float-btn:hover .qr-tooltip {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .services-grid, .gallery-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.open {
                display: flex;
            }
            .hero-h1 {
                font-size: 2rem;
            }
            .about-grid, .solutions-grid, .contact-section-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item::after {
                left: 10px;
            }
            .services-grid, .gallery-grid, .comments-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .encyclopedia-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-brand, .footer-links {
                grid-column: span 1;
            }
            .friend-links-box {
                grid-column: span 1;
            }
        }

        @media (max-width: 480px) {
            .encyclopedia-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .info-cards {
                grid-template-columns: 1fr;
            }
        }