:root {
            --primary: #00f2fe;
            --primary-rgb: 0, 242, 254;
            --secondary: #a855f7;
            --secondary-rgb: 168, 85, 247;
            --accent: #3b82f6;
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --text-title: #0f172a;
            --text-body: #334155;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --glow: 0 8px 30px rgba(0, 242, 254, 0.12);
            --glow-hover: 0 15px 35px rgba(168, 85, 247, 0.2);
            --radius-lg: 16px;
            --radius-md: 8px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 242, 254, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.05) 0%, transparent 40%);
            background-attachment: fixed;
        }

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

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

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

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-link {
            color: var(--text-body);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--secondary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-md);
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-title);
            border: 1px solid var(--border-color);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
        }

        .btn-primary {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: var(--glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--glow-hover);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-title);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* Hero 首屏 - 纯色与荧光特效背景，无任何图片 */
        .hero {
            padding: 160px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(168, 85, 247, 0.1) 50%, transparent 100%);
            z-index: -1;
            filter: blur(80px);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(168, 85, 247, 0.08);
            border: 1px solid rgba(168, 85, 247, 0.2);
            border-radius: 30px;
            color: var(--secondary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 46px;
            line-height: 1.25;
            color: var(--text-title);
            margin-bottom: 24px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            background: linear-gradient(120deg, #00f2fe, #a855f7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 760px;
            margin: 0 auto 40px;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-cta .btn {
            padding: 14px 32px;
            font-size: 16px;
        }

        /* 标签云 */
        .hero-tags {
            margin-top: 48px;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .tag-pill {
            font-size: 12px;
            padding: 4px 12px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            color: var(--text-body);
            transition: var(--transition);
        }

        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--secondary);
            transform: translateY(-1px);
        }

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

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-tag {
            font-size: 14px;
            font-weight: 700;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 24px;
            border-radius: var(--radius-lg);
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--glow);
        }

        .stat-num {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

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

        /* 关于我们与平台介绍 */
        .about-wrap {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 18px;
        }

        .about-content p {
            margin-bottom: 20px;
            color: var(--text-body);
            font-size: 15px;
        }

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

        .feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-title);
        }

        .feature-item i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: rgba(0, 242, 254, 0.1);
            color: var(--accent);
            border-radius: 50%;
            font-style: normal;
        }

        .about-extra-card {
            background: linear-gradient(135deg, rgba(0, 242, 254, 0.05), rgba(168, 85, 247, 0.05));
            border: 1px solid rgba(168, 85, 247, 0.15);
            padding: 32px;
            border-radius: var(--radius-lg);
            position: relative;
        }

        .about-extra-card::before {
            content: '“';
            font-size: 80px;
            position: absolute;
            top: -20px;
            left: 20px;
            color: rgba(168, 85, 247, 0.15);
            font-family: serif;
        }

        .about-extra-card p {
            font-style: italic;
            font-size: 15px;
            color: var(--text-body);
            position: relative;
            z-index: 1;
            margin-bottom: 16px;
        }

        /* 平台服务与模型聚合 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 32px;
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-6px);
            border-color: var(--secondary);
            box-shadow: var(--glow-hover);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(168, 85, 247, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--secondary);
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tags span {
            font-size: 11px;
            padding: 2px 8px;
            background: var(--bg-main);
            border-radius: 4px;
            color: var(--text-muted);
        }

        /* 一站式AIGC工作流与标准化流程 */
        .timeline-wrap {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .timeline-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            justify-content: flex-end;
            padding-right: 50%;
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-item:nth-child(even) {
            justify-content: flex-start;
            padding-right: 0;
            padding-left: 50%;
        }

        .timeline-badge {
            width: 20px;
            height: 20px;
            background: var(--secondary);
            border: 4px solid var(--bg-main);
            border-radius: 50%;
            position: absolute;
            right: -10px;
            top: 15px;
            z-index: 10;
        }

        .timeline-item:nth-child(even) .timeline-badge {
            left: -10px;
            right: auto;
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-lg);
            width: 90%;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .timeline-content:hover {
            border-color: var(--primary);
            box-shadow: var(--glow);
        }

        .timeline-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

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

        /* 全行业解决方案与技术标准 */
        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 10px 20px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 30px;
            color: var(--text-body);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background: var(--text-title);
            color: #ffffff;
            border-color: var(--text-title);
        }

        .solutions-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
        }

        .solution-detail h3 {
            font-size: 24px;
            color: var(--text-title);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .solution-detail p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .solution-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .metric-box {
            border-left: 3px solid var(--primary);
            padding-left: 16px;
        }

        .metric-val {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
        }

        .metric-lbl {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 案例中心：支持放置图片资源 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: var(--glow);
        }

        .case-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #e2e8f0;
            position: relative;
        }

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

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

        .case-body {
            padding: 24px;
        }

        .case-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--secondary);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .case-body h4 {
            font-size: 18px;
            color: var(--text-title);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .case-body p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测表格 */
        .comparison-table-wrap {
            overflow-x: auto;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
        }

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

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        th {
            font-weight: 700;
            color: var(--text-title);
            background-color: #faf5ff;
        }

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

        .highlight-row {
            background-color: rgba(0, 242, 254, 0.03);
        }

        .stars {
            color: #f59e0b;
            font-size: 16px;
        }

        .score-badge {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 700;
            font-size: 12px;
        }

        /* Token 比价参考与对比 */
        .token-comparison {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .token-card.best-deal {
            border: 2px solid var(--primary);
            transform: scale(1.03);
            box-shadow: var(--glow);
            position: relative;
        }

        .token-card.best-deal::after {
            content: '推荐性价比';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            font-size: 11px;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 700;
        }

        .token-card h4 {
            font-size: 20px;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .token-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-title);
            margin: 20px 0;
        }

        .token-price span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 400;
        }

        .token-features {
            list-style: none;
            margin-bottom: 24px;
            text-align: left;
        }

        .token-features li {
            padding: 8px 0;
            font-size: 13px;
            border-bottom: 1px dashed var(--border-color);
            color: var(--text-body);
        }

        /* 培训认证板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-4px);
            border-color: var(--secondary);
        }

        .training-icon {
            font-size: 32px;
            color: var(--secondary);
            line-height: 1;
        }

        .training-info h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .training-info p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .training-meta {
            display: flex;
            gap: 16px;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-title);
        }

        /* 常见用户问题 FAQ + 折叠面板 */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-q {
            width: 100%;
            padding: 20px;
            text-align: left;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-q::after {
            content: '+';
            font-size: 20px;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #fafafa;
        }

        .faq-a-inner {
            padding: 20px;
            font-size: 14px;
            color: var(--text-body);
            border-top: 1px solid var(--border-color);
        }

        /* 用户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .review-text {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 20px;
            line-height: 1.5;
        }

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

        .avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
        }

        .user-info h5 {
            font-size: 14px;
            color: var(--text-title);
            font-weight: 700;
        }

        .user-info span {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* 资讯与知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .news-card:hover {
            border-color: var(--secondary);
            transform: translateY(-2px);
        }

        .news-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            flex-grow: 1;
        }

        .news-body h4 {
            font-size: 16px;
            color: var(--text-title);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-link {
            font-size: 13px;
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 智能需求匹配与联系我们（表单板块） */
        .contact-wrap {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background-color: var(--bg-main);
            color: var(--text-title);
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            height: 100px;
        }

        .contact-info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 24px;
        }

        .info-item h5 {
            font-size: 12px;
            text-transform: uppercase;
            color: var(--text-muted);
            margin-bottom: 6px;
            letter-spacing: 1px;
        }

        .info-item p, .info-item a {
            font-size: 15px;
            color: var(--text-title);
            font-weight: 700;
            text-decoration: none;
        }

        .qr-area {
            text-align: center;
            background: var(--bg-main);
            padding: 20px;
            border-radius: var(--radius-md);
            margin-top: 20px;
        }

        .qr-area img {
            width: 120px;
            height: 120px;
            margin-bottom: 10px;
        }

        .qr-area p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 14px;
        }

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

        .footer-brand h4 {
            color: #ffffff;
            font-size: 18px;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-brand p {
            margin-bottom: 20px;
            font-size: 13px;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 14px;
            margin-bottom: 16px;
            font-weight: 700;
        }

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

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

        .footer-links ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-friend-links {
            grid-column: span 4;
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            margin-top: 20px;
        }

        .friend-links-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 13px;
        }

        .friend-links-wrap a {
            color: #64748b;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #64748b;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            color: #64748b;
            text-decoration: none;
        }

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            box-shadow: 0 10px 20px rgba(0, 242, 254, 0.3);
            transition: var(--transition);
            font-weight: 700;
            font-size: 12px;
            text-align: center;
            border: none;
            cursor: pointer;
        }

        .float-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 25px rgba(168, 85, 247, 0.4);
        }

        .qr-popover {
            position: absolute;
            bottom: 65px;
            right: 0;
            background: white;
            padding: 16px;
            border-radius: var(--radius-lg);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            display: none;
            text-align: center;
            width: 150px;
            border: 1px solid var(--border-color);
        }

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

        .qr-popover span {
            font-size: 11px;
            color: var(--text-title);
            font-weight: 600;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .token-comparison {
                grid-template-columns: 1fr;
            }
            .token-card.best-deal {
                transform: scale(1);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 30px;
                gap: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                transition: var(--transition);
                opacity: 0;
                pointer-events: none;
            }
            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-actions {
                display: none;
            }
            .hero h1 {
                font-size: 32px;
            }
            .about-wrap, .solutions-content, .contact-wrap, .training-grid {
                grid-template-columns: 1fr;
            }
            .timeline-wrap::before {
                left: 20px;
            }
            .timeline-item {
                padding-right: 0;
                padding-left: 45px;
                justify-content: flex-start;
            }
            .timeline-item:nth-child(even) {
                padding-left: 45px;
            }
            .timeline-badge {
                left: 10px;
                right: auto;
            }
            .timeline-item:nth-child(even) .timeline-badge {
                left: 10px;
            }
            .timeline-content {
                width: 100%;
            }
            .services-grid, .cases-grid, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-friend-links {
                grid-column: span 1;
            }
        }