/* CSS RESET & VARIABLES - 春绿薄荷清新风格 */
    :root {
      --primary: #10B981;
      --primary-hover: #059669;
      --primary-light: #ECFDF5;
      --primary-subtle: #F0FDF4;
      --primary-border: #D1FAE5;
      --dark-green: #064E3B;
      --accent-teal: #0F766E;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --bg-body: #F8FAFC;
      --bg-white: #FFFFFF;
      --shadow-sm: 0 2px 8px rgba(16, 185, 129, 0.06);
      --shadow-md: 0 6px 24px -4px rgba(16, 185, 129, 0.12);
      --shadow-lg: 0 12px 36px -6px rgba(15, 118, 110, 0.16);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 24px;
      --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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-body);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      width: 100%;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 按钮样式组件 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 50px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      gap: 8px;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #10B981 0%, #059669 100%);
      color: #FFFFFF !important;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(16, 185, 129, 0.45);
    }

    .btn-secondary {
      background-color: var(--primary-light);
      color: var(--dark-green) !important;
      border-color: var(--primary-border);
    }

    .btn-secondary:hover {
      background-color: #D1FAE5;
      transform: translateY(-2px);
    }

    .btn-outline {
      border: 1.5px solid var(--primary);
      color: var(--accent-teal) !important;
      background: transparent;
    }

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

    /* 区域通用标题 */
    .section-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 16px;
      background-color: var(--primary-light);
      color: var(--dark-green);
      font-size: 13px;
      font-weight: 700;
      border-radius: 30px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      border: 1px solid var(--primary-border);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

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

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
      list-style: none;
    }

    .nav-links a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
    }

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

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* 1. HERO 首屏 - 规则限制：严格无任何图片 */
    .hero-section {
      padding: 90px 0 70px;
      background: radial-gradient(100% 100% at 50% 0%, #E6F4EA 0%, #F8FAFC 100%);
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: var(--bg-white);
      border: 1px solid var(--primary-border);
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      color: var(--dark-green);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-title-h1 {
      font-size: 40px;
      font-weight: 900;
      color: var(--text-main);
      letter-spacing: -0.5px;
      line-height: 1.25;
      max-width: 900px;
      margin: 0 auto 20px;
    }

    .hero-title-h1 span {
      background: linear-gradient(135deg, #059669 0%, #0F766E 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.6;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1040px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: var(--bg-white);
      padding: 24px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
      text-align: center;
    }

    .hero-stat-num {
      font-size: 30px;
      font-weight: 800;
      color: var(--dark-green);
      margin-bottom: 4px;
    }

    .hero-stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用 Block Card */
    .block-padding {
      padding: 80px 0;
    }

    .bg-alt {
      background-color: var(--primary-subtle);
    }

    /* 2. 关于我们 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .about-content p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.8;
    }

    .about-highlights {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .about-hl-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
      color: var(--dark-green);
    }

    .about-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 3px solid var(--bg-white);
    }

    /* 3. AIGC服务 & 算法支持 */
    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-bottom: 40px;
      max-width: 960px;
      margin-left: auto;
      margin-right: auto;
    }

    .model-tag {
      padding: 6px 14px;
      background: var(--bg-white);
      border: 1px solid var(--primary-border);
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: var(--dark-green);
      box-shadow: var(--shadow-sm);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-white);
      padding: 30px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .service-card h4 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 10px;
    }

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

    /* 4. 一站式制作 & 流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: var(--bg-white);
      padding: 28px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      position: relative;
    }

    .step-num {
      font-size: 36px;
      font-weight: 900;
      color: #A7F3D0;
      line-height: 1;
      margin-bottom: 12px;
    }

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

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 5. 行业解决方案 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .sol-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      padding: 32px;
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .sol-card h4 {
      font-size: 22px;
      font-weight: 700;
      color: var(--dark-green);
      margin-bottom: 12px;
    }

    .sol-card p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .sol-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .sol-list li {
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-main);
    }

    .sol-list li::before {
      content: "✓";
      color: var(--primary);
      font-weight: bold;
    }

    /* 6. 全国服务网络 */
    .network-box {
      background: linear-gradient(135deg, #064E3B 0%, #0F766E 100%);
      color: #FFFFFF;
      border-radius: var(--radius-lg);
      padding: 50px;
      text-align: center;
    }

    .network-box h3 {
      font-size: 28px;
      margin-bottom: 16px;
    }

    .network-nodes {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 20px;
      margin-top: 30px;
    }

    .net-node {
      background: rgba(255, 255, 255, 0.12);
      padding: 14px 24px;
      border-radius: 30px;
      backdrop-filter: blur(6px);
      font-size: 14px;
      font-weight: 600;
    }

    /* 8. 案例展示与图文包 */
    .banner-gallery {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .banner-gallery img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--primary-border);
    }

    /* 9. 对比评测 - 突出 9.9 分与五星 */
    .eval-highlight-box {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
      padding: 40px;
      margin-bottom: 40px;
    }

    .rating-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--primary-border);
      padding-bottom: 24px;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .stars-score {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .stars {
      color: #F59E0B;
      font-size: 24px;
    }

    .score-badge {
      font-size: 36px;
      font-weight: 900;
      color: var(--dark-green);
    }

    .score-max {
      font-size: 16px;
      color: var(--text-muted);
      font-weight: 400;
    }

    .compare-table-wrapper {
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--primary-border);
    }

    .compare-table th {
      background-color: var(--primary-light);
      color: var(--dark-green);
      font-size: 15px;
      font-weight: 700;
    }

    .compare-table tr:hover {
      background-color: var(--primary-subtle);
    }

    .highlight-cell {
      font-weight: 700;
      color: var(--primary-hover);
    }

    /* 10. 智能需求匹配器 */
    .matcher-card {
      background: var(--bg-white);
      padding: 40px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .matcher-options {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin: 24px 0;
    }

    .matcher-btn {
      padding: 16px;
      border: 1.5px solid var(--primary-border);
      border-radius: var(--radius-sm);
      text-align: center;
      cursor: pointer;
      font-weight: 600;
      transition: var(--transition);
    }

    .matcher-btn:hover, .matcher-btn.active {
      border-color: var(--primary);
      background-color: var(--primary-light);
      color: var(--dark-green);
    }

    /* 11. Token 比价 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .price-card {
      background: var(--bg-white);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      text-align: center;
      position: relative;
    }

    .price-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
    }

    .price-tag {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #FFF;
      font-size: 12px;
      padding: 3px 12px;
      border-radius: 20px;
      font-weight: 700;
    }

    .price-val {
      font-size: 32px;
      font-weight: 900;
      color: var(--dark-green);
      margin: 16px 0 8px;
    }

    /* 13. 工信部 AI 培训 */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
    }

    .train-card {
      background: var(--bg-white);
      padding: 24px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      text-align: center;
    }

    .train-card h5 {
      font-size: 16px;
      font-weight: 700;
      color: var(--dark-green);
      margin-bottom: 8px;
    }

    /* 15. FAQ 折叠面板 */
    .faq-wrapper {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: var(--bg-white);
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary-border);
      overflow: hidden;
    }

    .faq-question {
      padding: 20px 24px;
      font-weight: 700;
      font-size: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      color: var(--text-main);
    }

    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      display: none;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .faq-item.active .faq-question {
      color: var(--accent-teal);
    }

    /* 17. 资讯与文章列表 */
    .news-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
    }

    .news-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .news-item {
      background: var(--bg-white);
      padding: 20px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary-border);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .news-imgs-box {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .news-imgs-box img {
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary-border);
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: var(--bg-white);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--dark-green);
    }

    .reviewer-meta h6 {
      font-size: 15px;
      font-weight: 700;
    }

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

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

    /* 18. 联系我们与表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .contact-form {
      background: var(--bg-white);
      padding: 36px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-sm);
    }

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

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #CBD5E1;
      border-radius: var(--radius-sm);
      font-size: 14px;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

    .contact-info-card {
      background: var(--primary-light);
      padding: 36px;
      border-radius: var(--radius-md);
      border: 1px solid var(--primary-border);
    }

    .qr-box {
      margin-top: 20px;
      background: var(--bg-white);
      padding: 16px;
      display: inline-block;
      border-radius: var(--radius-sm);
      border: 1px solid var(--primary-border);
    }

    .qr-box img {
      width: 140px;
      height: 140px;
    }

    /* 页脚 - 高对比度深字浅底统一规范 */
    .site-footer {
      background-color: var(--primary-subtle);
      border-top: 1px solid var(--primary-border);
      padding: 60px 0 30px;
      color: var(--text-muted);
    }

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

    .footer-brand h4 {
      font-size: 20px;
      color: var(--dark-green);
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-links h5 {
      font-size: 15px;
      color: var(--text-main);
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-links ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 14px;
      color: var(--text-muted);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--primary-border);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .friendship-links {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    /* 浮动客服悬浮窗 */
    .floating-kefu {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 999;
      background: var(--bg-white);
      border: 1px solid var(--primary-border);
      box-shadow: var(--shadow-lg);
      border-radius: 50px;
      padding: 10px 20px;
      display: flex;
      align-items: center;
      gap: 10px;
      cursor: pointer;
    }

    .kefu-dot {
      width: 10px;
      height: 10px;
      background: var(--primary);
      border-radius: 50%;
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .hero-stats-grid, .services-grid, .steps-grid, .price-grid, .training-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .solutions-grid, .news-grid, .contact-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .banner-gallery {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      .hero-title-h1 {
        font-size: 28px;
      }
      .hero-stats-grid, .services-grid, .steps-grid, .price-grid, .training-grid, .reviews-grid, .matcher-options {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-cta-group {
        flex-direction: column;
        width: 100%;
      }
      .btn {
        width: 100%;
      }
    }