:root {
            --primary: #FF5500;
            --primary-light: #FFF0E6;
            --primary-hover: #E04400;
            --dark: #1E1E24;
            --dark-light: #2A2A35;
            --gray-light: #F8F9FA;
            --gray-border: #E5E7EB;
            --text-main: #333333;
            --text-muted: #666666;
            --container-w: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
            line-height: 1.6;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--gray-border);
        }

        section:nth-child(even) {
            background-color: var(--gray-light);
        }

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

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

        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background-color: var(--primary);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 85, 0, 0.2);
        }

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

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

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

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

        .logo-area img {
            height: 40px;
            width: auto;
        }

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

        .nav-links {
            display: flex;
            gap: 15px;
            list-style: none;
        }

        .nav-links a {
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 5px 10px;
            border-radius: 4px;
        }

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

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            transition: all 0.3s;
        }

        /* 1. Hero首屏 - 严禁出现任何图片 */
        .hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
            color: #FFFFFF;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 85, 0, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-tag {
            background-color: rgba(255, 85, 0, 0.2);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 85, 0, 0.3);
            font-weight: 600;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: #FFFFFF;
        }

        .hero p {
            font-size: 1.25rem;
            color: #CCCCCC;
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 40px;
        }

        .stat-item h3 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-item p {
            font-size: 0.9rem;
            color: #AAAAAA;
            margin: 0;
        }

        /* 2. 关于我们 */
        .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(--dark);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .feat-card {
            background-color: var(--gray-light);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }

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

        /* 3. 全平台AIGC服务体系 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: #FFFFFF;
            padding: 35px 25px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            border: 1px solid var(--gray-border);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 8px 30px rgba(255, 85, 0, 0.1);
        }

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

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

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

        .platform-tags {
            margin-top: 50px;
            text-align: center;
        }

        .platform-tags h4 {
            margin-bottom: 20px;
            color: var(--dark);
        }

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

        .tag {
            background-color: var(--gray-light);
            border: 1px solid var(--gray-border);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            color: var(--dark-light);
            transition: all 0.3s;
        }

        .tag:hover {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        /* 4. 全自动AIGC制作流程 (超详细步骤解析) */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: #FFFFFF;
            padding: 30px 20px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--gray-border);
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-weight: 700;
        }

        .step-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* 5. 全行业解决方案 */
        .solution-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 10px 24px;
            background-color: var(--gray-light);
            border: 1px solid var(--gray-border);
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

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

        .solution-content {
            background-color: #FFFFFF;
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

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

        .sol-pane.active {
            display: grid;
        }

        .sol-text h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .sol-list {
            list-style: none;
            margin-top: 20px;
        }

        .sol-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 10px;
            color: var(--text-muted);
        }

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

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .network-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

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

        .net-stat-card {
            background: #FFFFFF;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--gray-border);
        }

        .net-stat-card h4 {
            color: var(--primary);
            font-size: 1.6rem;
            margin-bottom: 5px;
        }

        .network-map-placeholder {
            background: var(--dark-light);
            border-radius: 12px;
            height: 350px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: #FFFFFF;
            padding: 20px;
            text-align: center;
            border: 1px solid rgba(255,85,0,0.2);
        }

        /* 7. 标准化服务全流程 */
        .flow-timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .flow-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--gray-border);
            transform: translateX(-50%);
        }

        .flow-item {
            position: relative;
            margin-bottom: 40px;
            width: 50%;
            padding: 0 40px;
        }

        .flow-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .flow-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .flow-dot {
            width: 16px;
            height: 16px;
            background-color: var(--primary);
            border: 4px solid #FFFFFF;
            border-radius: 50%;
            position: absolute;
            top: 5px;
            z-index: 2;
            box-shadow: 0 0 0 3px var(--primary-light);
        }

        .flow-item:nth-child(odd) .flow-dot {
            right: -8px;
        }

        .flow-item:nth-child(even) .flow-dot {
            left: -8px;
        }

        .flow-card {
            background: #FFFFFF;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--gray-border);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        /* 8. 技术标准 */
        .standard-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .std-card {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 8px;
            border: 1px solid var(--gray-border);
            border-top: 4px solid var(--primary);
        }

        .std-card h3 {
            margin-bottom: 15px;
            color: var(--dark);
        }

        /* 9. 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: #FFFFFF;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--gray-border);
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        .case-img-container {
            position: relative;
            background-color: #EEE;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* 10. 对比评测 */
        .evaluation-box {
            background: #FFFFFF;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

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

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

        .score-num {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .stars {
            color: #FFC107;
            font-size: 1.5rem;
        }

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

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

        .eval-table th, .eval-table td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--gray-border);
        }

        .eval-table th {
            background-color: var(--gray-light);
            color: var(--dark);
            font-weight: 700;
        }

        .eval-table tr:hover td {
            background-color: var(--primary-light);
        }

        /* 11. 智能需求匹配 (表单) */
        .match-section {
            background: linear-gradient(135deg, #FFF6F0 0%, #FFFFFF 100%);
        }

        .form-wrapper {
            max-width: 700px;
            margin: 0 auto;
            background: #FFFFFF;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(255, 85, 0, 0.05);
            border: 1px solid var(--gray-border);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--gray-border);
            border-radius: 6px;
            font-size: 1rem;
            color: var(--text-main);
            transition: all 0.3s;
        }

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

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: #FFFFFF;
            border-radius: 8px;
            padding: 25px;
            border: 1px solid var(--gray-border);
            text-align: center;
        }

        .token-card.highlight {
            border-color: var(--primary);
            box-shadow: 0 4px 15px rgba(255, 85, 0, 0.15);
            position: relative;
        }

        .token-card.highlight::before {
            content: '全网低价';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 2px 10px;
            font-size: 0.75rem;
            border-radius: 10px;
            font-weight: 600;
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin: 15px 0;
        }

        .token-features {
            list-style: none;
            margin-bottom: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .train-card {
            background: #FFFFFF;
            border-radius: 8px;
            padding: 25px;
            border: 1px solid var(--gray-border);
            text-align: center;
            transition: all 0.3s;
        }

        .train-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .train-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .train-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* 15. 帮助中心 & 16. FAQ & 17. 常见问题自助排查 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--gray-border);
            border-radius: 6px;
            margin-bottom: 15px;
            overflow: hidden;
        }

        .faq-question {
            padding: 20px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--gray-light);
            transition: background-color 0.3s;
        }

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

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

        .faq-item.active .faq-question::after {
            content: '−';
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.95rem;
            background-color: #FFFFFF;
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
        }

        /* 18. 网站术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .glossary-card {
            background: #FFFFFF;
            padding: 25px;
            border-radius: 8px;
            border: 1px solid var(--gray-border);
        }

        .glossary-card h3 {
            font-size: 1.15rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        /* 19. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .news-card {
            background: #FFFFFF;
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--gray-border);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            transition: all 0.3s;
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }

        .news-info {
            padding: 25px;
        }

        .news-info h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-info h3 a {
            color: var(--dark);
        }

        .news-info h3 a:hover {
            color: var(--primary);
        }

        .news-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 15px;
            display: flex;
            gap: 15px;
        }

        /* 评论组件 */
        .comments-section {
            background-color: var(--gray-light);
        }

        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .comment-card {
            background: #FFFFFF;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--gray-border);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .user-info h4 {
            color: var(--dark);
            margin-bottom: 2px;
        }

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

        /* 20. 联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-list {
            margin-bottom: 30px;
        }

        .contact-item-block {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 25px;
        }

        .contact-item-block h4 {
            color: var(--dark);
            margin-bottom: 5px;
        }

        .contact-item-block p {
            color: var(--text-muted);
        }

        .qrcode-container {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .qrcode-box {
            text-align: center;
            background: var(--gray-light);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--gray-border);
        }

        .qrcode-box img {
            width: 130px;
            height: 130px;
            margin: 0 auto 10px;
            border-radius: 4px;
        }

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

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(255, 85, 0, 0.3);
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

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

        .float-qrcode {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #FFFFFF;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            border: 1px solid var(--gray-border);
            text-align: center;
            width: 160px;
        }

        .float-qrcode img {
            width: 130px;
            height: 130px;
            margin-bottom: 5px;
        }

        .float-qrcode span {
            font-size: 0.8rem;
            color: var(--dark);
        }

        .float-btn:hover .float-qrcode {
            display: block;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #CCCCCC;
            padding: 60px 0 20px;
            font-size: 0.9rem;
            border-top: none;
        }

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

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: #FFFFFF;
            margin-bottom: 20px;
        }

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

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

        .footer-links ul a {
            color: #AAAAAA;
        }

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

        .friend-links {
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links a {
            color: #888888;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: #666666;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .about-grid, .network-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .comments-grid, .cases-grid, .standard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
                padding: 20px;
                gap: 10px;
            }
            .nav-links.active {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .sol-pane.active {
                grid-template-columns: 1fr;
            }
            .flow-timeline::before {
                left: 20px;
            }
            .flow-item {
                width: 100%;
                left: 0 !important;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
            .flow-dot {
                left: 12px !important;
                right: auto !important;
            }
            .comments-grid, .cases-grid, .standard-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
        }