* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
      background-color: #fff8f6;
      background-image: radial-gradient(circle at 10% 20%, rgba(255, 220, 230, 0.3) 0%, transparent 40%),
                        radial-gradient(circle at 90% 60%, rgba(255, 180, 200, 0.2) 0%, transparent 45%);
      color: #2e1e22;
      line-height: 1.5;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 导航 */
    .navbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      padding: 16px 0;
      border-bottom: 1px solid rgba(255, 120, 160, 0.2);
    }
    .logo-link {
      display: flex;
      align-items: center;
      flex-shrink: 0;
    }
    .ai-page-logo {
      max-height: 44px;
      width: auto;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 按需求设置gap为0 */
      flex-wrap: wrap;
      list-style: none;
    }
    .nav-links li {
      margin: 0 8px;
    }
    .nav-links a {
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      color: #3d2c30;
      padding: 6px 0;
      transition: color 0.2s, box-shadow 0.2s;
      white-space: nowrap;
    }
    .nav-links a:hover {
      color: #c0355c;
      box-shadow: 0 2px 0 #c0355c;
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn-outline {
      display: inline-block;
      padding: 8px 20px;
      border-radius: 40px;
      font-weight: 600;
      text-decoration: none;
      background: transparent;
      border: 2px solid #c0355c;
      color: #c0355c;
      transition: all 0.2s;
      font-size: 0.9rem;
    }
    .btn-outline:hover {
      background: #c0355c;
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-primary {
      display: inline-block;
      padding: 12px 32px;
      border-radius: 40px;
      font-weight: 600;
      text-decoration: none;
      background: #c0355c;
      color: #fff;
      border: none;
      box-shadow: 0 8px 20px rgba(192, 53, 92, 0.25);
      transition: all 0.25s;
      font-size: 1rem;
    }
    .btn-primary:hover {
      background: #a12a4b;
      transform: translateY(-2px) scale(1.02);
      box-shadow: 0 12px 28px rgba(192, 53, 92, 0.35);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.8rem;
      color: #c0355c;
      cursor: pointer;
      line-height: 1;
    }
    /* 首屏 Hero (无图片) */
    .hero {
      padding: 60px 0 40px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-badge {
      display: inline-block;
      background: rgba(192, 53, 92, 0.1);
      color: #c0355c;
      font-weight: 600;
      padding: 6px 18px;
      border-radius: 40px;
      font-size: 0.9rem;
      margin-bottom: 24px;
      letter-spacing: 0.3px;
    }
    .hero h1 {
      font-size: 2.8rem;
      line-height: 1.2;
      font-weight: 800;
      color: #1f1114;
      margin-bottom: 24px;
    }
    .hero h1 span {
      color: #c0355c;
    }
    .hero p {
      font-size: 1.2rem;
      color: #4a373b;
      margin-bottom: 32px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    .btn-hero {
      background: #c0355c;
      color: #fff;
      padding: 16px 44px;
      border-radius: 60px;
      font-size: 1.2rem;
      font-weight: 700;
      text-decoration: none;
      display: inline-block;
      box-shadow: 0 16px 32px rgba(192, 53, 92, 0.35);
      transition: all 0.25s;
      letter-spacing: 0.5px;
    }
    .btn-hero:hover {
      background: #a12a4b;
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 22px 40px rgba(192, 53, 92, 0.45);
    }
    /* 装饰几何 */
    .hero-deco {
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      z-index: 1;
      pointer-events: none;
      overflow: hidden;
    }
    .deco-circle {
      position: absolute;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 150, 180, 0.2) 0%, transparent 70%);
    }
    .deco-1 { width: 400px; height: 400px; top: -120px; right: -80px; }
    .deco-2 { width: 300px; height: 300px; bottom: -80px; left: -60px; background: radial-gradient(circle, rgba(200, 50, 90, 0.15) 0%, transparent 70%); }
    /* 数据指标卡片 */
    .stats-section {
      padding: 40px 0 20px;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 20px;
    }
    .stat-card {
      background: #fff;
      border-radius: 24px;
      padding: 24px 16px;
      text-align: center;
      box-shadow: 0 10px 25px -8px rgba(192, 53, 92, 0.12);
      border: 1px solid rgba(255, 180, 200, 0.4);
      transition: transform 0.2s, box-shadow 0.2s;
    }
    .stat-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 30px -10px rgba(192, 53, 92, 0.2);
    }
    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: #c0355c;
      line-height: 1.2;
    }
    .stat-label {
      font-size: 0.9rem;
      color: #5d4146;
      margin-top: 6px;
      font-weight: 500;
    }
    /* 区块通用 */
    .section {
      padding: 60px 0;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 16px;
      color: #1f1114;
      letter-spacing: -0.02em;
    }
    .section-sub {
      font-size: 1.05rem;
      color: #6b5056;
      max-width: 700px;
      margin-bottom: 36px;
    }
    .card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
    }
    .card {
      background: #ffffff;
      border-radius: 28px;
      padding: 28px 24px;
      box-shadow: 0 12px 30px -12px rgba(160, 40, 80, 0.12);
      border: 1px solid rgba(255, 200, 210, 0.5);
      transition: all 0.25s;
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: 0 24px 40px -16px rgba(192, 53, 92, 0.25);
      border-color: rgba(192, 53, 92, 0.3);
    }
    .card h3 {
      font-size: 1.3rem;
      margin-bottom: 12px;
      color: #1f1114;
    }
    .card p {
      color: #554044;
      font-size: 0.95rem;
      line-height: 1.6;
    }
    /* 能力卡片图标 */
    .card-icon {
      width: 48px;
      height: 48px;
      background: rgba(192, 53, 92, 0.1);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      font-size: 1.8rem;
      color: #c0355c;
    }
    /* 对比表格 */
    .table-wrapper {
      overflow-x: auto;
      border-radius: 24px;
      background: #fff;
      box-shadow: 0 12px 30px -10px rgba(0,0,0,0.05);
      border: 1px solid #ffd9e2;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 700px;
    }
    .compare-table th {
      background: #fef0f3;
      color: #2e1e22;
      font-weight: 700;
      padding: 18px 20px;
      text-align: left;
      border-bottom: 2px solid #fbc4d2;
    }
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f5d9e2;
      color: #3d2c30;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .rating-stars {
      color: #f5b342;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }
    .score-highlight {
      font-weight: 800;
      color: #c0355c;
      font-size: 1.3rem;
    }
    /* FAQ 折叠 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border-radius: 18px;
      margin-bottom: 14px;
      border: 1px solid #fbd0dc;
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      text-align: left;
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: #1f1114;
      background: #fff;
      border: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s;
    }
    .faq-question:hover {
      background: #fff6f8;
    }
    .faq-question span {
      font-size: 1.4rem;
      color: #c0355c;
      transition: transform 0.25s;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.2s;
      padding: 0 24px;
      color: #5d4146;
      background: #fff;
      font-size: 0.95rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px;
    }
    .faq-item.active .faq-question span {
      transform: rotate(45deg);
    }
    /* 评论卡片 */
    .review-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
    }
    .review-card {
      background: #fff;
      border-radius: 28px;
      padding: 28px;
      box-shadow: 0 10px 24px -10px rgba(0,0,0,0.04);
      border: 1px solid #ffe2ea;
      transition: transform 0.2s;
    }
    .review-card:hover {
      transform: scale(1.01);
    }
    .review-stars {
      color: #f5b342;
      letter-spacing: 3px;
      margin-bottom: 12px;
    }
    .review-text {
      font-size: 0.98rem;
      color: #3d2c30;
      margin-bottom: 20px;
      line-height: 1.7;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #c0355c, #e0718e);
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: 700;
      font-size: 1.1rem;
    }
    .author-info strong {
      display: block;
      color: #1f1114;
      font-size: 0.95rem;
    }
    .author-info small {
      color: #8b6f75;
      font-size: 0.8rem;
    }
    /* 表单 */
    .form-card {
      background: #fff;
      border-radius: 32px;
      padding: 40px;
      box-shadow: 0 16px 40px -16px rgba(160, 40, 80, 0.15);
      border: 1px solid #fbd0dc;
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-grid .full-width {
      grid-column: 1 / -1;
    }
    .form-group {
      display: flex;
      flex-direction: column;
    }
    .form-group label {
      font-weight: 600;
      margin-bottom: 6px;
      color: #2e1e22;
      font-size: 0.9rem;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      padding: 14px 18px;
      border-radius: 20px;
      border: 1px solid #f0c8d2;
      font-family: inherit;
      font-size: 0.95rem;
      background: #fffbfc;
      transition: border 0.2s, box-shadow 0.2s;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: #c0355c;
      box-shadow: 0 0 0 4px rgba(192, 53, 92, 0.1);
    }
    .form-group textarea {
      min-height: 100px;
      resize: vertical;
    }
    /* 文章列表/资讯 */
    .article-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }
    .article-tag {
      background: #fff;
      border: 1px solid #fbd0dc;
      border-radius: 40px;
      padding: 8px 20px;
      font-size: 0.9rem;
      color: #3d2c30;
      text-decoration: none;
      transition: all 0.2s;
    }
    .article-tag:hover {
      background: #c0355c;
      color: #fff;
      border-color: #c0355c;
    }
    /* 友情链接 */
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px 24px;
      margin: 24px 0;
    }
    .friend-links a {
      color: #5d4146;
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }
    .friend-links a:hover {
      color: #c0355c;
      text-decoration: underline;
    }
    /* 页脚 */
    .footer {
      background: #1f1114;
      color: #e8dadd;
      padding: 48px 0 24px;
      margin-top: 40px;
      border-radius: 40px 40px 0 0;
    }
    .footer a {
      color: #ffc2d0;
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer a:hover {
      color: #fff;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      margin-bottom: 32px;
    }
    .footer h4 {
      color: #fff;
      margin-bottom: 16px;
      font-size: 1.1rem;
    }
    .footer p, .footer li {
      color: #d6bfc5;
      font-size: 0.9rem;
      line-height: 1.8;
    }
    .footer ul {
      list-style: none;
    }
    .footer-bottom {
      border-top: 1px solid #3d2c30;
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      color: #b8a0a5;
      font-size: 0.85rem;
    }
    /* 浮动客服 */
    .float-kefu {
      position: fixed;
      bottom: 30px;
      right: 30px;
      z-index: 100;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
    }
    .kefu-btn {
      width: 56px;
      height: 56px;
      background: #c0355c;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.6rem;
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(192, 53, 92, 0.4);
      transition: all 0.2s;
      border: none;
    }
    .kefu-btn:hover {
      transform: scale(1.08);
      background: #a12a4b;
    }
    .kefu-pop {
      display: none;
      background: #fff;
      padding: 20px;
      border-radius: 24px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.2);
      text-align: center;
      max-width: 220px;
    }
    .kefu-pop img {
      width: 100%;
      height: auto;
      border-radius: 12px;
      margin-bottom: 10px;
    }
    .kefu-pop p {
      font-size: 0.85rem;
      color: #3d2c30;
    }
    .back-top {
      width: 48px;
      height: 48px;
      background: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #c0355c;
      font-size: 1.4rem;
      cursor: pointer;
      box-shadow: 0 8px 16px rgba(0,0,0,0.1);
      border: 1px solid #fbd0dc;
      transition: all 0.2s;
    }
    .back-top:hover {
      background: #c0355c;
      color: #fff;
    }
    /* 滚动渐入 */
    .fade-in {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }
    /* 响应式 */
    @media (max-width: 900px) {
      .hero h1 { font-size: 2rem; }
      .hero p { font-size: 1rem; }
      .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        padding-top: 16px;
      }
      .nav-links li { margin: 6px 0; }
      .nav-links.active { display: flex; }
      .mobile-menu-btn { display: block; }
      .nav-actions { margin-left: auto; }
      .form-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 600px) {
      .container { padding: 0 18px; }
      .section-title { font-size: 1.7rem; }
      .stat-number { font-size: 1.8rem; }
      .footer-grid { grid-template-columns: 1fr; }
      .btn-hero { padding: 14px 28px; font-size: 1rem; }
    }
    /* 装饰性简短 */
    .highlight-text {
      color: #c0355c;
      font-weight: 700;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }
    .tag {
      background: #fff0f3;
      color: #a12a4b;
      padding: 6px 16px;
      border-radius: 40px;
      font-size: 0.84rem;
      font-weight: 500;
    }