:root {
      --primary: #e60067;
      --primary-hover: #c40057;
      --primary-light: #fff0f5;
      --primary-soft: #ffe4ee;
      --accent: #ff2a85;
      --text-main: #1e2229;
      --text-muted: #58606e;
      --bg-page: #fdfafb;
      --bg-card: #ffffff;
      --border-color: #ffd6e4;
      --border-light: #f5e4ec;
      --shadow-sm: 0 4px 12px rgba(230, 0, 103, 0.06);
      --shadow-md: 0 8px 24px rgba(230, 0, 103, 0.1);
      --shadow-lg: 0 16px 36px rgba(230, 0, 103, 0.14);
      --radius: 12px;
      --container-width: 1200px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    ul, ol {
      list-style: none;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-light);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }

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

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

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

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

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

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 8px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.25s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(230, 0, 103, 0.3);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #cc005b, #e60067);
      box-shadow: 0 6px 18px rgba(230, 0, 103, 0.4);
      transform: translateY(-1px);
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background-color: #ffffff;
    }

    .btn-outline:hover {
      background-color: var(--primary-light);
    }

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

    /* 首屏 Hero 无图片纯科技视觉 */
    .hero-section {
      padding: 70px 0 50px;
      background: radial-gradient(circle at 80% 20%, #ffeaf1 0%, rgba(255, 245, 248, 0) 60%),
                  radial-gradient(circle at 10% 90%, #ffdbe7 0%, rgba(255, 245, 248, 0) 50%),
                  #ffffff;
      border-bottom: 1px solid var(--border-light);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      background: var(--primary-light);
      color: var(--primary);
      border: 1px solid var(--border-color);
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 20px;
    }

    .hero-title {
      font-size: 38px;
      font-weight: 800;
      line-height: 1.3;
      color: #11141a;
      margin-bottom: 18px;
    }

    .hero-title span {
      color: var(--primary);
      position: relative;
      display: inline-block;
    }

    .hero-desc {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .hero-cta-group .btn {
      font-size: 16px;
      padding: 13px 32px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      padding: 20px 16px;
      border-radius: var(--radius);
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.25s ease;
    }

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

    .stat-num {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 4px;
    }

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

    /* 通用分节样式 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-wrap.alt-bg {
      background-color: #fff6f9;
      border-top: 1px solid var(--border-light);
      border-bottom: 1px solid var(--border-light);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 46px;
    }

    .section-tag {
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 20px;
      display: inline-block;
      margin-bottom: 10px;
      border: 1px solid var(--border-color);
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      color: #1a1e24;
      margin-bottom: 12px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
    }

    /* 平台支持模型标签流 */
    .model-tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 25px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: #2b303a;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 500;
      box-shadow: 0 2px 6px rgba(230, 0, 103, 0.04);
      transition: all 0.2s;
    }

    .model-tag:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    /* 服务能力与场景网格 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-color);
    }

    .service-card-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: bold;
      margin-bottom: 16px;
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #1e2229;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .service-tag-mini {
      display: inline-block;
      margin-top: 14px;
      font-size: 12px;
      color: var(--primary);
      font-weight: 600;
    }

    /* 一站式制作工作流 */
    .flow-steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .flow-step-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      position: relative;
    }

    .flow-step-idx {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin: 0 auto 14px;
      box-shadow: 0 4px 10px rgba(230, 0, 103, 0.3);
    }

    .flow-step-item h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: #222;
    }

    .flow-step-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 图文混排与案例区 */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 30px;
      align-items: center;
      margin-bottom: 40px;
    }

    .media-showcase-grid.reverse {
      grid-template-columns: 1fr 1.2fr;
    }

    .showcase-media-box {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-md);
      background: #ffffff;
    }

    .showcase-media-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .showcase-media-box:hover img {
      transform: scale(1.02);
    }

    .showcase-text-box h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 14px;
      color: #1e2229;
    }

    .showcase-text-box p {
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .showcase-features {
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-bottom: 24px;
    }

    .showcase-feature-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 500;
      color: #2e333d;
    }

    .showcase-feature-item::before {
      content: "✓";
      color: var(--primary);
      font-weight: 900;
      background: var(--primary-light);
      width: 20px;
      height: 20px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
    }

    /* 对比评测板块 */
    .eval-highlight-card {
      background: linear-gradient(135deg, #fff0f5, #ffe6f0);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      box-shadow: var(--shadow-sm);
    }

    .eval-score-box {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .eval-big-score {
      font-size: 48px;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
    }

    .eval-score-info h4 {
      font-size: 18px;
      font-weight: 700;
      color: #222;
      margin-bottom: 4px;
    }

    .eval-stars {
      color: #ff9800;
      font-size: 18px;
      letter-spacing: 2px;
    }

    .table-container {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-light);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 600px;
    }

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

    .eval-table th {
      background: #fff3f7;
      color: #222;
      font-weight: 700;
    }

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

    .eval-table td.highlight {
      color: var(--primary);
      font-weight: 700;
      background: #fffbfc;
    }

    /* Token 比价卡片组 */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .token-card.featured {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .token-card.featured::before {
      content: "推荐通道";
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 12px;
      border-radius: 12px;
    }

    .token-card h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
      color: #222;
    }

    .token-price {
      font-size: 28px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
    }

    .token-price span {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: normal;
    }

    .token-features-list {
      margin: 18px 0;
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.8;
      text-align: left;
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-body {
      font-size: 14px;
      color: #3b424e;
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .review-author-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-light);
      padding-top: 14px;
    }

    .review-avatar-char {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }

    .review-author-name {
      font-size: 14px;
      font-weight: 700;
      color: #1e2229;
    }

    .review-author-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 常见问题 FAQ 手风琴 */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: border-color 0.2s;
    }

    .faq-item.active {
      border-color: var(--primary);
    }

    .faq-question {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 15px;
      font-weight: 700;
      color: #1e2229;
      user-select: none;
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      background: #fffbfd;
    }

    .faq-answer-inner {
      padding: 0 24px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 文章与资讯列表 */
    .article-section-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr;
      gap: 30px;
    }

    .article-links-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-card h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #1e2229;
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 10px;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 0;
      border-bottom: 1px dashed var(--border-light);
      font-size: 14px;
      color: #3e4450;
    }

    .article-link-item:hover {
      color: var(--primary);
    }

    .article-link-item:last-child {
      border-bottom: none;
    }

    /* 需求表单与联系方式 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 30px;
    }

    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 13.5px;
      font-weight: 600;
      margin-bottom: 6px;
      color: #2a2f38;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 14px;
      border: 1px solid #e2d1d9;
      border-radius: 8px;
      background-color: #fdfafb;
      color: #1e2229;
      outline: none;
      transition: all 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(230, 0, 103, 0.12);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    .contact-info-card {
      background: linear-gradient(135deg, #ffffff, #fff6f9);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin: 20px 0;
    }

    .contact-info-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 14px;
      color: #383e49;
    }

    .contact-icon-badge {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .qr-box-wrap {
      text-align: center;
      padding: 16px;
      background: #ffffff;
      border-radius: 8px;
      border: 1px solid var(--border-light);
      margin-top: 10px;
    }

    .qr-box-wrap img {
      width: 120px;
      height: 120px;
      object-fit: contain;
      margin: 0 auto 8px;
      display: block;
    }

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

    /* 页脚 Footer */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-light);
      padding: 50px 0 24px;
      color: #4b5260;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: #1e2229;
      margin-bottom: 16px;
    }

    .footer-links-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13.5px;
    }

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

    .friendly-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 8px;
    }

    .friendly-links-wrap a {
      font-size: 13px;
      color: var(--text-muted);
      background: var(--primary-light);
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid var(--border-light);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-light);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #7b8392;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 悬浮工具栏 */
    .floating-toolbar {
      position: fixed;
      right: 20px;
      bottom: 40px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 44px;
      height: 44px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      box-shadow: var(--shadow-md);
      cursor: pointer;
      font-size: 18px;
      transition: all 0.25s ease;
      position: relative;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
    }

    .float-qr-pop {
      position: absolute;
      right: 54px;
      bottom: 0;
      background: #ffffff;
      padding: 12px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
      display: none;
      width: 140px;
      text-align: center;
    }

    .float-qr-pop img {
      width: 110px;
      height: 110px;
      display: block;
      margin: 0 auto 6px;
    }

    .float-qr-pop span {
      font-size: 12px;
      color: #222;
      display: block;
    }

    .float-btn.qr-btn:hover .float-qr-pop {
      display: block;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .service-grid,
      .token-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .media-showcase-grid,
      .media-showcase-grid.reverse,
      .article-section-grid,
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links,
      .nav-actions .btn-outline {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 26px;
      }
      .section-title {
        font-size: 23px;
      }
      .service-grid,
      .token-grid,
      .reviews-grid,
      .flow-steps-grid,
      .hero-stats-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .eval-highlight-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .eval-score-box {
        flex-direction: column;
        gap: 8px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }