/* 变量及暗夜赛博粉紫配色 */
        :root {
            --bg-base: #08060f;
            --bg-surface: #120e24;
            --bg-card: #181430;
            --primary: #d946ef;
            --primary-glow: rgba(217, 70, 239, 0.4);
            --secondary: #8b5cf6;
            --accent: #06b6d4;
            --text-main: #f3f4f6;
            --text-muted: #9ca3af;
            --border-glow: rgba(139, 92, 246, 0.3);
            --gradient-cyber: linear-gradient(135deg, #d946ef 0%, #8b5cf6 50%, #06b6d4 100%);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            scroll-behavior: smooth;
        }

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

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }

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

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

        /* 霓虹按钮样式 */
        .btn-neon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 50px;
            border: 2px solid var(--primary);
            color: #fff;
            background: transparent;
            box-shadow: 0 0 15px var(--primary-glow);
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .btn-neon:hover {
            background: var(--gradient-cyber);
            border-color: transparent;
            box-shadow: 0 0 25px var(--primary), 0 0 5px #fff;
            transform: translateY(-2px);
            color: #000;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* 霓虹发光标题 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(to right, #fff, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 6, 15, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(217, 70, 239, 0.15);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

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

        .nav-menu a {
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background: rgba(217, 70, 239, 0.05);
        }

        /* 移动端菜单控制 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* 1. 首页 Hero 区域 (无图片) */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 50% 30%, rgba(139, 92, 246, 0.2) 0%, rgba(8, 6, 15, 0) 70%);
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217, 70, 239, 0.1);
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-bottom: 24px;
            box-shadow: 0 0 10px rgba(217, 70, 239, 0.2);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 30%, #ec4899 70%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p.lead {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        /* 数据指标卡片 */
        .data-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 80px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(217, 70, 239, 0.15);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 2. 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 20px;
        }

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

        .about-bullets {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 30px;
        }

        .about-bullets li {
            position: relative;
            padding-left: 24px;
            color: var(--text-main);
        }

        .about-bullets li::before {
            content: "✦";
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        .about-visual {
            background: linear-gradient(135deg, rgba(217, 70, 239, 0.1) 0%, rgba(6, 118, 234, 0.1) 100%);
            border: 2px dashed rgba(217, 70, 239, 0.3);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
        }

        .visual-logo {
            margin-bottom: 20px;
        }

        /* 3. 全平台AIGC服务 (能力卡片 + 标签云) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 40px 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(217, 70, 239, 0.3);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 12px;
        }

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

        /* 标签云 */
        .tag-cloud-wrapper {
            margin-top: 60px;
            text-align: center;
        }

        .tag-cloud-title {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-main);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .tag-item:hover {
            background: rgba(217, 70, 239, 0.15);
            border-color: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        /* 4. 一站式AIGC制作 & 素材展示 */
        .production-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .production-media {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .media-box {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .media-box img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

        .media-box:hover img {
            transform: scale(1.05);
        }

        .media-box .caption {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            padding: 12px;
            font-size: 0.85rem;
            text-align: center;
        }

        /* 5. 全行业解决方案 & 6. 全国服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 24px;
            transition: var(--transition);
        }

        .solution-card:hover {
            border-color: var(--accent);
            background: var(--bg-card);
        }

        .solution-card h4 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-card h4::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .network-section {
            background: radial-gradient(circle at right bottom, rgba(6, 182, 212, 0.1) 0%, rgba(8, 6, 15, 0) 60%);
        }

        .network-map-placeholder {
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            background: var(--bg-card);
            padding: 40px;
            text-align: center;
            margin-top: 40px;
        }

        .network-hubs {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 30px;
        }

        .hub {
            text-align: center;
        }

        .hub-name {
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .hub-status {
            font-size: 0.85rem;
            color: var(--accent);
        }

        /* 7. 标准化AIGC流程 & 8. 技术标准 */
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 40px auto 0;
            padding-left: 30px;
            border-left: 2px solid rgba(217, 70, 239, 0.2);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -37px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid var(--bg-base);
            box-shadow: 0 0 10px var(--primary);
        }

        .timeline-num {
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 8px;
        }

        .timeline-desc {
            color: var(--text-muted);
        }

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

        .gallery-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .gallery-card:hover {
            transform: scale(1.02);
            border-color: var(--primary);
        }

        .gallery-card img {
            width: 100%;
            height: 250px;
            object-fit: cover;
        }

        .gallery-info {
            padding: 24px;
        }

        .gallery-info h4 {
            color: #fff;
            margin-bottom: 8px;
            font-size: 1.2rem;
        }

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

        /* 10. 对比评测 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            margin-top: 40px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
            background: var(--bg-card);
        }

        .compare-table th, .compare-table td {
            padding: 16px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .compare-table th {
            background: rgba(255, 255, 255, 0.02);
            color: #fff;
            font-weight: 700;
        }

        .compare-table tr:hover {
            background: rgba(255, 255, 255, 0.01);
        }

        .compare-highlight {
            color: var(--primary);
            font-weight: 600;
        }

        .rating-box {
            background: linear-gradient(135deg, rgba(217, 70, 239, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 30px;
            display: flex;
            align-items: center;
            justify-content: space-around;
            margin-top: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .rating-score {
            text-align: center;
        }

        .rating-val {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .rating-stars {
            color: #fbbf24;
            font-size: 1.5rem;
            margin-top: 8px;
        }

        /* 12. Token比价参考 */
        .token-pricing {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .price-card {
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            position: relative;
        }

        .price-card.featured {
            border-color: var(--accent);
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.2);
        }

        .price-card .badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: #000;
            font-size: 0.75rem;
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: bold;
        }

        .price-header h4 {
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 15px;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .price-num span {
            font-size: 1rem;
            color: var(--text-muted);
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .price-features li {
            margin-bottom: 12px;
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-features li::before {
            content: "✓";
            color: var(--accent);
            font-weight: bold;
        }

        /* 13 & 14. 职业与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .training-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 40px 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .training-list {
            list-style: none;
            margin-top: 24px;
        }

        .training-list li {
            background: rgba(255, 255, 255, 0.02);
            margin-bottom: 12px;
            padding: 16px 20px;
            border-radius: 8px;
            border-left: 4px solid var(--accent);
            font-weight: 600;
        }

        /* 15, 16, 17, 18. 帮助、FAQ与术语 */
        .faq-accordion {
            max-width: 900px;
            margin: 40px auto 0;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .faq-item.active .faq-question::after {
            content: '-';
            transform: rotate(90deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.15);
        }

        .faq-answer p {
            padding: 20px 24px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }

        /* AI 术语百科 */
        .terms-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .term-card {
            background: var(--bg-surface);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .term-card h5 {
            color: var(--accent);
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

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

        /* 11, 20, 21. 表单、联系与代理 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: #fff;
        }

        .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 10px rgba(217, 70, 239, 0.2);
        }

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

        .info-item {
            display: flex;
            gap: 16px;
        }

        .info-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .info-content h4 {
            color: #fff;
            margin-bottom: 4px;
        }

        .info-content p {
            color: var(--text-muted);
        }

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

        .qr-card {
            background: var(--bg-card);
            padding: 15px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.05);
            flex: 1;
        }

        .qr-card img {
            max-width: 100%;
            height: auto;
            border-radius: 6px;
        }

        .qr-card p {
            font-size: 0.8rem;
            margin-top: 8px;
            color: var(--text-muted);
        }

        /* 用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }

        .comment-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

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

        .comment-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-cyber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #fff;
        }

        .author-info h5 {
            color: #fff;
            font-size: 0.95rem;
        }

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

        /* 19. 知识库 / 行业资讯 */
        .articles-list {
            margin-top: 40px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .article-item {
            background: var(--bg-surface);
            padding: 20px 30px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .article-item:hover {
            border-color: var(--accent);
            transform: translateX(5px);
        }

        .article-title {
            font-size: 1.1rem;
            color: #fff;
            font-weight: 600;
        }

        .article-meta {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 页脚 */
        footer {
            background: #05040a;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(217, 70, 239, 0.15);
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            margin: 20px 0;
            font-size: 0.9rem;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

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

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

        .footer-links ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }

        .friend-links a {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
        }

        /* 浮动组件 */
        .float-kefu {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            background: var(--bg-card);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 10px 30px rgba(217, 70, 239, 0.2);
            text-align: center;
            width: 140px;
            transition: var(--transition);
        }

        .float-kefu:hover {
            transform: translateY(-5px);
        }

        .float-kefu img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
        }

        .float-kefu p {
            font-size: 0.8rem;
            margin-top: 8px;
            color: #fff;
            font-weight: bold;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .data-stats, .services-grid, .solutions-grid, .gallery-grid, .token-pricing, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-wrapper, .about-grid, .production-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu {
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--bg-surface);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid rgba(217, 70, 239, 0.15);
                display: none;
            }
            .nav-menu.active {
                display: flex;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .data-stats, .services-grid, .solutions-grid, .gallery-grid, .token-pricing, .comments-grid {
                grid-template-columns: 1fr;
            }
            .terms-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }