/* CSS Reset */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
      background-color: #f8fafc;
      color: #1e293b;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.3s ease;
    }

    /* 全局栅格容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 彩虹多彩风基础样式 */
    .rainbow-text {
      background: linear-gradient(90deg, #ff3366, #ff9933, #33cc66, #3399ff, #9933ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      font-weight: 800;
    }
    .rainbow-border {
      position: relative;
      border-radius: 12px;
      background: #fff;
      padding: 1px;
      z-index: 1;
    }
    .rainbow-border::before {
      content: '';
      position: absolute;
      top: 0; right: 0; bottom: 0; left: 0;
      z-index: -1;
      margin: -1px;
      border-radius: inherit;
      background: linear-gradient(135deg, #ff3366, #ff9933, #33cc66, #3399ff, #9933ff);
    }
    .rainbow-btn {
      background: linear-gradient(135deg, #ff3366, #ff9933, #3399ff);
      color: #fff !important;
      border: none;
      font-weight: 600;
      border-radius: 8px;
      padding: 12px 28px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
    }
    .rainbow-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.4);
    }

    /* 顶部导航 */
    header {
      background-color: rgba(255, 255, 255, 0.95);
      border-bottom: 1px solid #e2e8f0;
      position: sticky;
      top: 0;
      z-index: 1000;
      backdrop-filter: blur(10px);
    }
    .nav-wrapper {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 70px;
    }
    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand img {
      height: 40px;
      width: auto;
    }
    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      background: linear-gradient(45deg, #ff3366, #3399ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
    }
    .nav-menu a {
      font-size: 0.95rem;
      color: #475569;
      font-weight: 500;
      padding: 8px 12px;
      border-radius: 6px;
    }
    .nav-menu a:hover {
      color: #ff3366;
      background-color: #f1f5f9;
    }
    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 6px;
      cursor: pointer;
      background: none;
      border: none;
    }
    .nav-toggle span {
      width: 24px;
      height: 2px;
      background-color: #1e293b;
      transition: all 0.3s ease;
    }

    /* Hero 首屏 (无图) */
    .hero {
      background: radial-gradient(circle at 10% 20%, rgba(255, 51, 102, 0.05) 0%, rgba(51, 153, 255, 0.05) 90%), #ffffff;
      padding: 100px 0 80px 0;
      text-align: center;
      border-bottom: 1px solid #e2e8f0;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(255,153,51,0.1) 0%, transparent 70%);
      top: -50px;
      left: -50px;
    }
    .hero::after {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(153,51,255,0.08) 0%, transparent 70%);
      bottom: -100px;
      right: -100px;
    }
    .hero-h1 {
      font-size: 2.5rem;
      line-height: 1.3;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-subtitle {
      font-size: 1.15rem;
      color: #475569;
      max-width: 800px;
      margin: 0 auto 40px auto;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 60px;
      flex-wrap: wrap;
    }
    .btn-secondary {
      background-color: #fff;
      color: #1e293b;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      padding: 12px 28px;
      font-weight: 600;
      transition: all 0.2s ease;
    }
    .btn-secondary:hover {
      background-color: #f8fafc;
      border-color: #94a3b8;
    }

    /* 数据指标卡片 (Hero区域内或下方) */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }
    .stat-card {
      background: #ffffff;
      padding: 24px;
      border-radius: 12px;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
      border: 1px solid #e2e8f0;
      border-top: 4px solid;
      border-image: linear-gradient(90deg, #ff3366, #ff9933, #33cc66, #3399ff) 1;
      text-align: center;
      transition: transform 0.3s ease;
    }
    .stat-card:hover {
      transform: translateY(-5px);
    }
    .stat-number {
      font-size: 2.25rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 8px;
    }
    .stat-label {
      font-size: 0.875rem;
      color: #64748b;
    }

    /* 通用区块样式 */
    section.section-padding {
      padding: 80px 0;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      text-align: center;
      margin-bottom: 16px;
      color: #0f172a;
    }
    .section-desc {
      text-align: center;
      color: #64748b;
      max-width: 700px;
      margin: 0 auto 50px auto;
      font-size: 1.05rem;
    }

    /* 关于我们 & 软件介绍 */
    .about-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .about-content h3 {
      font-size: 1.5rem;
      margin-bottom: 16px;
      color: #0f172a;
    }
    .about-content p {
      color: #475569;
      margin-bottom: 20px;
    }
    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 24px;
    }
    .model-tag {
      background-color: #f1f5f9;
      color: #334155;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: 9999px;
      border: 1px solid #cbd5e1;
      font-weight: 500;
    }

    /* 服务体系 & 解决方案 (能力卡片) */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      padding: 30px;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      transition: all 0.3s ease;
      position: relative;
    }
    .service-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 4px;
      border-radius: 12px 12px 0 0;
      background: linear-gradient(90deg, #ff3366, #ff9933);
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    .service-card:hover::before {
      opacity: 1;
    }
    .service-card-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      background: linear-gradient(135deg, rgba(255, 51, 102, 0.1), rgba(255, 153, 51, 0.1));
      color: #ff3366;
      font-weight: bold;
    }
    .service-card-icon.blue {
      background: linear-gradient(135deg, rgba(51, 153, 255, 0.1), rgba(153, 51, 255, 0.1));
      color: #3399ff;
    }
    .service-card-icon.green {
      background: linear-gradient(135deg, rgba(51, 204, 102, 0.1), rgba(51, 153, 255, 0.1));
      color: #33cc66;
    }
    .service-card h4 {
      font-size: 1.2rem;
      margin-bottom: 12px;
      color: #0f172a;
    }
    .service-card p {
      font-size: 0.9rem;
      color: #64748b;
    }

    /* 流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      padding: 24px;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      position: relative;
      text-align: center;
    }
    .step-badge {
      position: absolute;
      top: -15px;
      left: 50%;
      transform: translateX(-50%);
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff3366, #ff9933);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }
    .step-card h4 {
      margin-top: 10px;
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 全国服务网络 */
    .network-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .network-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .network-item {
      background-color: #ffffff;
      padding: 16px;
      border-radius: 8px;
      border-left: 4px solid #3399ff;
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }
    .network-item h5 {
      font-size: 1rem;
      margin-bottom: 4px;
      color: #0f172a;
    }
    .network-item p {
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 对比评测表格 */
    .comparison-container {
      background-color: #ffffff;
      border-radius: 16px;
      padding: 40px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
      border: 1px solid #e2e8f0;
    }
    .rating-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 2px solid #f1f5f9;
      padding-bottom: 24px;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 16px;
    }
    .rating-score {
      font-size: 3rem;
      font-weight: 800;
      background: linear-gradient(45deg, #ff3366, #ff9933);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .rating-stars {
      color: #f59e0b;
      font-size: 1.5rem;
    }
    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }
    table.comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    table.comparison-table th, table.comparison-table td {
      padding: 16px;
      border-bottom: 1px solid #e2e8f0;
    }
    table.comparison-table th {
      background-color: #f8fafc;
      color: #334155;
      font-weight: 600;
    }
    table.comparison-table tr:hover {
      background-color: #f8fafc;
    }
    .tag-yes {
      color: #10b981;
      font-weight: 600;
    }
    .tag-no {
      color: #ef4444;
      font-weight: 600;
    }

    /* Token 比价 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .token-card {
      background: #ffffff;
      border-radius: 12px;
      padding: 24px;
      border: 1px solid #e2e8f0;
      text-align: center;
    }
    .token-card.featured {
      border: 2px solid #3399ff;
      transform: scale(1.02);
    }
    .token-price {
      font-size: 1.5rem;
      font-weight: 800;
      color: #ff3366;
      margin: 16px 0;
    }

    /* 客户案例中心 & 图片展示 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid #e2e8f0;
    }
    .case-img-container {
      width: 100%;
      position: relative;
      background-color: #f1f5f9;
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 12px;
    }
    .case-info {
      padding: 20px;
    }
    .case-info h4 {
      font-size: 1.15rem;
      margin-bottom: 8px;
    }
    .case-info p {
      font-size: 0.9rem;
      color: #64748b;
    }

    /* 职业技术与人工智能培训 */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .training-card {
      background: #ffffff;
      padding: 24px;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      border-top: 4px solid #9933ff;
    }
    .training-card h4 {
      font-size: 1.15rem;
      margin-bottom: 12px;
    }
    .training-card ul {
      list-style-type: none;
      padding-left: 0;
    }
    .training-card li {
      font-size: 0.9rem;
      margin-bottom: 8px;
      color: #475569;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .training-card li::before {
      content: "✓";
      color: #10b981;
      font-weight: bold;
    }

    /* 用户评论 */
    .comments-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .comment-card {
      background: #ffffff;
      padding: 24px;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      position: relative;
    }
    .comment-text {
      font-style: italic;
      color: #475569;
      font-size: 0.9rem;
      margin-bottom: 16px;
    }
    .comment-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #ff3366, #ff9933);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: bold;
      font-size: 0.8rem;
    }
    .author-info h5 {
      font-size: 0.9rem;
      color: #0f172a;
    }
    .author-info p {
      font-size: 0.75rem;
      color: #64748b;
    }

    /* FAQ 折叠面板 & 自助排查 */
    .faq-trouble-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      background: #ffffff;
      overflow: hidden;
    }
    .faq-question {
      padding: 16px 20px;
      background-color: #ffffff;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question::after {
      content: '+';
      font-size: 1.2rem;
      color: #64748b;
      transition: transform 0.3s;
    }
    .faq-item.active .faq-question::after {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: #fafafa;
    }
    .faq-answer-inner {
      padding: 16px 20px;
      font-size: 0.9rem;
      color: #475569;
      border-top: 1px solid #f1f5f9;
    }
    .troubleshoot-box {
      background-color: #ffffff;
      padding: 24px;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
    }
    .troubleshoot-select {
      width: 100%;
      padding: 12px;
      border-radius: 6px;
      border: 1px solid #cbd5e1;
      margin-bottom: 16px;
      font-size: 0.9rem;
    }
    .troubleshoot-result {
      padding: 12px;
      background-color: #f8fafc;
      border-radius: 6px;
      font-size: 0.85rem;
      color: #475569;
      min-height: 80px;
    }

    /* 术语百科 & 行业资讯 */
    .ency-news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }
    .ency-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .ency-item h4 {
      font-size: 1.05rem;
      margin-bottom: 4px;
      color: #0f172a;
    }
    .ency-item p {
      font-size: 0.85rem;
      color: #64748b;
    }
    .article-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .article-item {
      padding-bottom: 12px;
      border-bottom: 1px solid #e2e8f0;
    }
    .article-item a {
      font-weight: 500;
      color: #0f172a;
      display: block;
      margin-bottom: 4px;
    }
    .article-item a:hover {
      color: #ff3366;
    }
    .article-meta {
      font-size: 0.75rem;
      color: #94a3b8;
    }

    /* 智能需求匹配与表单板块 */
    .contact-section {
      background: radial-gradient(circle at top right, rgba(255, 51, 102, 0.03), transparent), #ffffff;
      border-top: 1px solid #e2e8f0;
      border-bottom: 1px solid #e2e8f0;
    }
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 50px;
    }
    .match-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 0.9rem;
      font-weight: 600;
      color: #334155;
    }
    .form-control {
      padding: 10px 14px;
      border-radius: 6px;
      border: 1px solid #cbd5e1;
      font-size: 0.95rem;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      outline: none;
      border-color: #ff3366;
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .contact-info-panel {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
    }
    .qrcode-box {
      display: flex;
      gap: 24px;
      align-items: center;
      background-color: #f8fafc;
      padding: 16px;
      border-radius: 8px;
      border: 1px solid #cbd5e1;
    }
    .qrcode-box img {
      width: 100px;
      height: 100px;
      border-radius: 4px;
    }

    /* 页脚 */
    footer {
      background-color: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 40px;
      border-bottom: 1px solid #334155;
      padding-bottom: 40px;
      margin-bottom: 30px;
    }
    .footer-brand h4 {
      color: #ffffff;
      margin-bottom: 16px;
      font-size: 1.2rem;
    }
    .footer-brand p {
      margin-bottom: 16px;
      line-height: 1.5;
    }
    .footer-links h5 {
      color: #ffffff;
      margin-bottom: 16px;
      font-size: 1rem;
    }
    .footer-links ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #ffffff;
    }
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .friend-links a {
      background-color: #1e293b;
      padding: 6px 12px;
      border-radius: 4px;
      font-size: 0.8rem;
    }
    .friend-links a:hover {
      background-color: #334155;
      color: #ffffff;
    }
    .copyright-area {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.8rem;
    }

    /* 浮动客服 */
    .float-panel {
      position: fixed;
      right: 20px;
      bottom: 100px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-item {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background-color: #ffffff;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: all 0.3s;
      border: 1px solid #cbd5e1;
    }
    .float-item:hover {
      background: linear-gradient(135deg, #ff3366, #ff9933);
      color: white;
    }
    .float-popover {
      position: absolute;
      right: 60px;
      background-color: #ffffff;
      padding: 16px;
      border-radius: 8px;
      box-shadow: 0 10px 25px rgba(0,0,0,0.15);
      border: 1px solid #e2e8f0;
      display: none;
      flex-direction: column;
      align-items: center;
      width: 140px;
    }
    .float-popover img {
      width: 100px;
      height: 100px;
      margin-bottom: 8px;
    }
    .float-popover p {
      font-size: 0.75rem;
      color: #1e293b;
      text-align: center;
    }
    .float-item:hover .float-popover {
      display: flex;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .stats-grid, .services-grid, .steps-grid, .training-grid, .comments-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-box, .network-container, .contact-wrapper, .ency-news-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: #ffffff;
        border-bottom: 1px solid #e2e8f0;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
      }
      .nav-menu.active {
        display: flex;
      }
      .nav-toggle {
        display: flex;
      }
      .hero-h1 {
        font-size: 2rem;
      }
      .stats-grid, .services-grid, .steps-grid, .training-grid, .comments-grid, .cases-grid {
        grid-template-columns: 1fr;
      }
      .rating-header {
        flex-direction: column;
        align-items: flex-start;
      }
    }