/* 基础样式变量 - 鲜黄耀眼风 */
        :root {
            --color-primary: #FFD300;     /* 耀眼黄 */
            --color-secondary: #1A1A1A;   /* 碳黑 */
            --color-bg-light: #F7F9FB;    /* 浅灰底 */
            --color-bg-white: #FFFFFF;    /* 纯白 */
            --color-text-dark: #2C3E50;   /* 深灰文 */
            --color-text-light: #7F8C8D;  /* 辅助灰 */
            --color-success: #2ECC71;     /* 绿色 */
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* 重置样式 */
        * {
            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(--color-text-dark);
            line-height: 1.6;
        }

        body {
            background-color: var(--color-bg-light);
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 通用布局容器 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: 80px 0;
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--color-secondary);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--color-primary);
            border-radius: 2px;
        }

        .section-header p {
            margin-top: 15px;
            color: var(--color-text-light);
            font-size: 1.1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 30px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 211, 0, 0.3);
        }

        .btn-secondary {
            background-color: var(--color-secondary);
            color: #ffffff;
        }

        .btn-secondary:hover {
            background-color: #333333;
            transform: translateY(-3px);
        }

        /* 顶部导航 */
        header {
            background-color: var(--color-secondary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }

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

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

        .ai-page-logo {
            max-height: 45px;
            width: auto;
        }

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

        .nav-links a {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }

        /* 手机端导航按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: #ffffff;
            transition: var(--transition);
        }

        /* 1. 首页 Hero 区域 (无图片) */
        .hero-section {
            background: linear-gradient(135deg, #1A1A1A 0%, #2C3E50 100%);
            color: #ffffff;
            padding: 120px 0 100px;
            text-align: center;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-tag {
            background-color: var(--color-primary);
            color: var(--color-secondary);
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 700;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 25px;
            color: #ffffff;
        }

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

        .hero-description {
            font-size: 1.25rem;
            color: #BDC3C7;
            margin-bottom: 40px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* 2. 关于我们 */
        .about-section {
            background-color: var(--color-bg-white);
        }

        .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(--color-secondary);
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--color-text-dark);
        }

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

        .highlight-item {
            background-color: var(--color-bg-light);
            padding: 20px;
            border-left: 4px solid var(--color-primary);
            border-radius: 0 8px 8px 0;
        }

        .highlight-item h4 {
            font-size: 1.1rem;
            color: var(--color-secondary);
            margin-bottom: 5px;
        }

        /* 3. 全平台AIGC服务 */
        .services-section {
            background-color: var(--color-bg-light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--color-bg-white);
            padding: 40px 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            border-top: 5px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-top-color: var(--color-primary);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

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

        .service-card h3 {
            font-size: 1.3rem;
            color: var(--color-secondary);
            margin-bottom: 15px;
        }

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

        /* 4. 一站式AIGC制作 */
        .creation-section {
            background-color: var(--color-bg-white);
        }

        .creation-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 25px;
        }

        .creation-card {
            background-color: var(--color-bg-light);
            padding: 30px 20px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .creation-card:hover {
            background-color: var(--color-primary);
            transform: scale(1.03);
        }

        .creation-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--color-secondary);
        }

        .creation-card p {
            font-size: 0.9rem;
            color: var(--color-text-dark);
        }

        /* 5. 全行业解决方案 */
        .solution-section {
            background-color: var(--color-bg-light);
        }

        .solution-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background-color: var(--color-bg-white);
            border: 1px solid #ddd;
            padding: 10px 25px;
            border-radius: 20px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background-color: var(--color-primary);
            border-color: var(--color-primary);
            color: var(--color-secondary);
        }

        .solution-content {
            background-color: var(--color-bg-white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }

        .solution-panel {
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .solution-panel.active {
            display: grid;
        }

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

        .solution-text ul {
            margin-top: 15px;
        }

        .solution-text li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 20px;
        }

        .solution-text li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-success);
            font-weight: bold;
        }

        .solution-image-container img {
            border-radius: 8px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
        }

        /* 6. 全国服务网络 */
        .network-section {
            background-color: var(--color-bg-white);
            text-align: center;
        }

        .network-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-top: 40px;
        }

        .stat-item {
            padding: 30px;
            background-color: var(--color-bg-light);
            border-radius: 8px;
            border-top: 4px solid var(--color-primary);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 1rem;
            color: var(--color-text-light);
        }

        /* 7. 标准化AIGC流程 */
        .process-section {
            background-color: var(--color-bg-light);
        }

        .process-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            position: relative;
        }

        .process-step {
            background-color: var(--color-bg-white);
            padding: 30px 20px;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            position: relative;
        }

        .step-number {
            width: 40px;
            height: 40px;
            background-color: var(--color-primary);
            color: var(--color-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 20px;
        }

        .process-step h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--color-secondary);
        }

        /* 8. 技术标准 */
        .tech-standards {
            background-color: var(--color-bg-white);
        }

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

        .standard-card {
            background-color: var(--color-bg-light);
            padding: 35px 25px;
            border-radius: 8px;
            border-left: 5px solid var(--color-secondary);
        }

        .standard-card h4 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: var(--color-secondary);
        }

        /* 9. 客户案例中心 */
        .case-section {
            background-color: var(--color-bg-light);
        }

        .case-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }

        .case-main {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .case-banner-group {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .case-banner-group img, .case-sidebar img {
            border-radius: 8px;
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .case-sidebar {
            background-color: var(--color-bg-white);
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        .case-sidebar h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 8px;
        }

        /* 10. 对比评测 */
        .review-section {
            background-color: var(--color-bg-white);
        }

        .review-card {
            background-color: var(--color-bg-light);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.05);
            margin-bottom: 40px;
        }

        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 2px solid rgba(0,0,0,0.05);
            padding-bottom: 20px;
            margin-bottom: 25px;
            flex-wrap: wrap;
            gap: 15px;
        }

        .rating-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .rating-stars {
            color: #F1C40F;
            font-size: 1.5rem;
        }

        .rating-score {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-secondary);
        }

        .rating-score span {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--color-text-light);
        }

        .comparison-table-wrapper {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 15px;
            border-bottom: 1px solid #E2E8F0;
        }

        .comparison-table th {
            background-color: var(--color-secondary);
            color: #ffffff;
        }

        .comparison-table tr:hover {
            background-color: rgba(255, 211, 0, 0.05);
        }

        .highlight-td {
            font-weight: bold;
            color: var(--color-secondary);
            background-color: rgba(255, 211, 0, 0.1);
        }

        /* 11. 智能需求匹配 (表单) & 20. 联系我们 */
        .contact-section {
            background-color: var(--color-bg-light);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .form-card {
            background-color: var(--color-bg-white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--color-secondary);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #DDD;
            border-radius: 6px;
            outline: none;
            transition: var(--transition);
            font-size: 1rem;
        }

        .form-control:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(255, 211, 0, 0.2);
        }

        .contact-info-card {
            background-color: var(--color-secondary);
            color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details h3 {
            font-size: 1.8rem;
            color: var(--color-primary);
            margin-bottom: 25px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 8px;
        }

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

        .qr-item img {
            width: 100px;
            height: 100px;
            margin: 0 auto 10px;
            border-radius: 4px;
        }

        .qr-item span {
            font-size: 0.85rem;
            color: #BDC3C7;
        }

        /* 12. Token比价参考 */
        .token-section {
            background-color: var(--color-bg-white);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .token-card {
            background-color: var(--color-bg-light);
            border-radius: 8px;
            padding: 25px;
            text-align: center;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin: 15px 0;
        }

        .token-price span {
            font-size: 0.9rem;
            color: var(--color-text-light);
        }

        /* 13 & 14. 培训业务 */
        .training-section {
            background-color: var(--color-bg-light);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .training-card {
            background-color: var(--color-bg-white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
        }

        .training-header {
            background-color: var(--color-secondary);
            color: var(--color-primary);
            padding: 20px;
            font-weight: bold;
            font-size: 1.1rem;
            text-align: center;
        }

        .training-body {
            padding: 25px;
        }

        .training-body ul {
            margin-bottom: 20px;
        }

        .training-body li {
            margin-bottom: 8px;
            padding-left: 15px;
            position: relative;
        }

        .training-body li::before {
            content: '●';
            color: var(--color-primary);
            position: absolute;
            left: 0;
        }

        /* 15, 16, 17. FAQ & 帮助中心 & 问题自助排查 */
        .faq-section {
            background-color: var(--color-bg-white);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid #E2E8F0;
            padding: 15px 0;
        }

        .faq-question {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-secondary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--color-primary);
            transition: transform 0.3s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--color-text-dark);
            padding-right: 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            margin-top: 10px;
            margin-bottom: 10px;
        }

        /* 问题自助排查交互组件 */
        .diagnostic-tool {
            background-color: var(--color-bg-light);
            border-radius: 8px;
            padding: 30px;
            margin-top: 50px;
        }

        .diagnostic-title {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: var(--color-secondary);
            font-weight: bold;
        }

        .diagnostic-options {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .diag-btn {
            background-color: var(--color-bg-white);
            border: 1px solid #DDD;
            padding: 8px 18px;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
        }

        .diag-btn.active {
            background-color: var(--color-secondary);
            color: #ffffff;
            border-color: var(--color-secondary);
        }

        .diagnostic-result {
            background-color: var(--color-bg-white);
            padding: 20px;
            border-radius: 6px;
            border-left: 4px solid var(--color-primary);
            display: none;
        }

        /* 18. AI术语百科 & 21. 加盟代理 */
        .agent-wiki-section {
            background-color: var(--color-bg-light);
        }

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

        .wiki-card {
            background-color: var(--color-bg-white);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.03);
        }

        .wiki-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .wiki-item dt {
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 5px;
        }

        .wiki-item dd {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-bottom: 15px;
        }

        /* 19. 行业资讯 / 知识库 */
        .news-section {
            background-color: var(--color-bg-white);
        }

        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .news-card {
            background-color: var(--color-bg-light);
            border-radius: 8px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h4 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            color: var(--color-secondary);
        }

        .news-card a {
            color: var(--color-text-dark);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* 用户评论区 (6条) */
        .comments-section {
            background-color: var(--color-bg-light);
        }

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

        .comment-card {
            background-color: var(--color-bg-white);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            position: relative;
        }

        .comment-text {
            font-style: italic;
            margin-bottom: 20px;
            color: var(--color-text-dark);
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 15px;
            border-top: 1px solid #EEE;
            padding-top: 15px;
        }

        .author-info h5 {
            font-size: 1rem;
            color: var(--color-secondary);
        }

        .author-info span {
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        /* 页脚区域 */
        footer {
            background-color: var(--color-secondary);
            color: #BDC3C7;
            padding: 60px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 45px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

        .footer-logo img {
            margin-bottom: 20px;
        }

        .footer-links h4, .footer-contact h4 {
            color: #ffffff;
            margin-bottom: 20px;
            font-size: 1.1rem;
            position: relative;
            padding-bottom: 5px;
        }

        .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--color-primary);
        }

        .footer-links ul {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }

        .friend-links a {
            background-color: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            flex-wrap: wrap;
            gap: 15px;
        }

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

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--color-secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            cursor: pointer;
            position: relative;
            color: var(--color-primary);
        }

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

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #ffffff;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
            width: 150px;
        }

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

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

        /* 动画响应 */
        @media (max-width: 992px) {
            .about-grid, .contact-grid, .wiki-grid, .case-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .solution-panel.active {
                grid-template-columns: 1fr;
            }
            .network-stats {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .comments-grid {
                grid-template-columns: 1fr;
            }
            .standards-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--color-secondary);
                flex-direction: column;
                padding: 20px;
                display: none;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .hero-title {
                font-size: 2rem;
            }
        }