:root {
            --bg-primary: #fafaff;
            --bg-card: #ffffff;
            --text-primary: #0d001a;
            --text-secondary: #4a4754;
            --neon-purple: #bd00ff;
            --neon-cyan: #00f0ff;
            --neon-pink: #ff007f;
            --border-color: rgba(189, 0, 255, 0.12);
            --gradient-neon: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
            --gradient-neon-hover: linear-gradient(135deg, var(--neon-pink), var(--neon-cyan));
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(250, 250, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(189, 0, 255, 0.03);
        }

        .nav-container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

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

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

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: 6px;
        }

        .nav-links a:hover {
            color: var(--neon-purple);
            background: rgba(189, 0, 255, 0.05);
        }

        .nav-cta {
            background: var(--gradient-neon);
            color: #fff !important;
            border-radius: 30px !important;
            padding: 8px 20px !important;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
        }

        .nav-cta:hover {
            opacity: 0.9;
            transform: translateY(-1px);
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: var(--text-primary);
            border-radius: 3px;
        }

        /* 统一页面包裹层与主体容器 */
        main {
            margin-top: 75px;
        }

        section {
            padding: 80px 20px;
            max-width: var(--container-width);
            margin: 0 auto;
            position: relative;
        }

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

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            position: relative;
            display: inline-block;
            margin-bottom: 15px;
            color: var(--text-primary);
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--gradient-neon);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 16px;
        }

        /* 1. Hero 首屏 - 无任何图片 */
        #home {
            min-height: 85vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding-top: 100px;
            padding-bottom: 60px;
            background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.05) 0%, rgba(189, 0, 255, 0.03) 100%);
        }

        .hero-badge {
            background: rgba(189, 0, 255, 0.1);
            color: var(--neon-purple);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(189, 0, 255, 0.2);
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        .hero-title {
            font-size: 48px;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 25px;
            max-width: 900px;
        }

        .hero-title span {
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 700px;
            margin-bottom: 40px;
        }

        .hero-btns {
            display: flex;
            gap: 20px;
        }

        .btn {
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-primary {
            background: var(--gradient-neon);
            color: #fff;
            box-shadow: 0 8px 25px rgba(189, 0, 255, 0.35);
        }

        .btn-primary:hover {
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
        }

        .btn-secondary:hover {
            border-color: var(--neon-cyan);
            transform: translateY(-2px);
        }

        /* 2. 关于我们 */
        #about {
            border-bottom: 1px solid var(--border-color);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 26px;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(189, 0, 255, 0.02);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--neon-cyan);
            box-shadow: 0 10px 25px rgba(0, 240, 255, 0.1);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 3. 全平台AIGC服务体系 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-neon);
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(189, 0, 255, 0.08);
            border-color: rgba(189, 0, 255, 0.3);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(189, 0, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        /* 支持的AI平台标签云 */
        .tag-cloud-wrap {
            margin-top: 40px;
            padding: 30px;
            background: rgba(0, 240, 255, 0.02);
            border-radius: 16px;
            border: 1px dashed var(--border-color);
            text-align: center;
        }

        .tag-cloud-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-secondary);
        }

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

        .tag-item {
            background: #fff;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            transition: var(--transition);
        }

        .tag-item:hover {
            border-color: var(--neon-cyan);
            color: var(--neon-purple);
            box-shadow: 0 4px 10px rgba(0, 240, 255, 0.15);
        }

        /* 4. 全自动AIGC制作流程 & 7. 标准化服务全流程 */
        .process-flow {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 30px;
            margin-top: 40px;
        }

        .process-step {
            display: flex;
            align-items: flex-start;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            gap: 20px;
            transition: var(--transition);
        }

        .process-step:hover {
            transform: translateX(5px);
            border-color: var(--neon-purple);
            box-shadow: 0 4px 20px rgba(189, 0, 255, 0.05);
        }

        .step-num {
            background: var(--gradient-neon);
            color: #fff;
            font-weight: 800;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 18px;
            box-shadow: 0 4px 10px rgba(189, 0, 255, 0.2);
        }

        .step-content h4 {
            font-size: 18px;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .step-content p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* 5. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            transition: var(--transition);
        }

        .solution-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.08);
        }

        .solution-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-title::before {
            content: '';
            width: 8px;
            height: 20px;
            background: var(--gradient-neon);
            border-radius: 4px;
            display: inline-block;
        }

        .solution-list {
            list-style: none;
            margin-top: 15px;
        }

        .solution-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

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

        /* 6. 全国服务网络 */
        .map-section {
            background: rgba(189, 0, 255, 0.02);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            padding: 40px;
            text-align: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .network-item {
            background: #fff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }

        .network-item h4 {
            font-size: 16px;
            color: var(--neon-purple);
            margin-bottom: 5px;
        }

        .network-item p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 8. 技术标准 & 软件介绍 */
        .tech-box {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.02);
        }

        .tech-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .tech-list-item {
            margin-bottom: 20px;
        }

        .tech-list-item h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }

        .tech-list-item p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* 9. 客户案例中心 - 带图片 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(189, 0, 255, 0.1);
            border-color: var(--neon-purple);
        }

        .case-img-wrap {
            width: 100%;
            position: relative;
            background: #f0f0f0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

        .case-card:hover .case-img-wrap img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 25px;
        }

        .case-badge {
            background: rgba(0, 240, 255, 0.08);
            color: var(--neon-cyan);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 15px;
        }

        /* 10. 对比评测 - 表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            background: #fff;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .compare-table th {
            background: rgba(189, 0, 255, 0.02);
            font-weight: 700;
            color: var(--text-primary);
        }

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

        .compare-table td.highlight-cell {
            background: rgba(0, 240, 255, 0.02);
            font-weight: 600;
        }

        .score-badge-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            background: linear-gradient(135deg, rgba(189, 0, 255, 0.05), rgba(0, 240, 255, 0.05));
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            margin-top: 30px;
            text-align: center;
        }

        .score-num {
            font-size: 48px;
            font-weight: 900;
            background: var(--gradient-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .score-stars {
            color: #ffb700;
            font-size: 24px;
            margin-bottom: 5px;
        }

        /* 11. 智能需求匹配与表单 */
        .form-section-inner {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(189, 0, 255, 0.04);
            max-width: 800px;
            margin: 0 auto;
        }

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group-full {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--neon-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
            background: #fff;
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .token-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            transition: var(--transition);
        }

        .token-card:hover {
            transform: translateY(-5px);
            border-color: var(--neon-purple);
            box-shadow: 0 8px 25px rgba(189, 0, 255, 0.06);
        }

        .token-model-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .token-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--neon-purple);
            margin-bottom: 10px;
        }

        .token-features {
            list-style: none;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
        }

        .token-features li {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        /* 13 & 14. 培训中心 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .train-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
        }

        .train-card:hover {
            border-color: var(--neon-cyan);
            box-shadow: 0 8px 20px rgba(0, 240, 255, 0.08);
        }

        .train-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .train-cert {
            font-size: 12px;
            background: rgba(189, 0, 255, 0.08);
            color: var(--neon-purple);
            padding: 3px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 15px;
        }

        /* 15 & 16 & 17. 帮助中心与 FAQ & 自助排查 */
        .faq-layout {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            font-size: 16px;
            color: var(--text-primary);
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--neon-purple);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: '-';
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(250, 250, 255, 0.5);
        }

        .faq-answer-content {
            padding: 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border-top: 1px solid rgba(189, 0, 255, 0.05);
            line-height: 1.7;
        }

        /* 18. 术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .glossary-card {
            background: #fff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .glossary-card h4 {
            font-size: 16px;
            color: var(--neon-purple);
            margin-bottom: 8px;
        }

        .glossary-card p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* 6条用户评论 */
        .reviews-section {
            background: rgba(0, 240, 255, 0.01);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.01);
            position: relative;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--gradient-neon);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .user-meta h4 {
            font-size: 15px;
            font-weight: 700;
        }

        .user-meta span {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .review-content {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 19. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .news-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
        }

        .news-card:hover {
            border-color: var(--neon-cyan);
            transform: translateY(-3px);
        }

        .news-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .news-link {
            font-size: 13px;
            color: var(--neon-purple);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 10px;
        }

        .news-link:hover {
            color: var(--neon-cyan);
        }

        /* 20. 联系我们 - 带地图与基本信息 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .info-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(189, 0, 255, 0.08);
            color: var(--neon-purple);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }

        .info-text h4 {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .info-text p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 15px;
        }

        .qr-card {
            text-align: center;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            width: 140px;
        }

        .qr-card img {
            width: 110px;
            height: 110px;
            object-fit: cover;
            border-radius: 6px;
            margin-bottom: 8px;
        }

        .qr-card span {
            font-size: 12px;
            color: var(--text-secondary);
            display: block;
        }

        /* 底部 */
        footer {
            background: #0d001a;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 20px 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-area p {
            margin-top: 15px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            max-width: 400px;
            line-height: 1.7;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

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

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

        .friend-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.05);
            padding: 5px 10px;
            border-radius: 4px;
            transition: var(--transition);
        }

        .friend-links a:hover {
            background: var(--gradient-neon);
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-width);
            margin: 0 auto;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

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

        .kefu-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-neon);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(189, 0, 255, 0.4);
            transition: var(--transition);
            font-weight: bold;
            font-size: 12px;
            text-align: center;
            line-height: 1.2;
        }

        .kefu-btn:hover {
            transform: scale(1.1);
        }

        .kefu-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
            display: none;
            width: 220px;
            text-align: center;
        }

        .kefu-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .kefu-popover p {
            font-size: 12px;
            color: var(--text-primary);
            margin-bottom: 5px;
        }

        /* 动画定义 */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); opacity: 0.9; }
            100% { transform: scale(1); }
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .about-grid, .contact-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .tech-intro-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 32px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            section {
                padding: 50px 15px;
            }
        }