:root {
      --primary-purple: #7928ca;
      --vibrant-pink: #ff0080;
      --deep-purple: #4c1d95;
      --light-purple-bg: #f8f6fe;
      --subtle-purple: #ede9fe;
      --card-border: #e9d5ff;
      --text-main: #1f1b2e;
      --text-muted: #5e5873;
      --text-light: #7e7696;
      --accent-gradient: linear-gradient(135deg, #7928ca 0%, #ff0080 100%);
      --soft-gradient: linear-gradient(135deg, #fbf7ff 0%, #f3ebff 100%);
      --shadow-sm: 0 4px 12px rgba(121, 40, 202, 0.06);
      --shadow-md: 0 10px 25px rgba(121, 40, 202, 0.1);
      --shadow-lg: 0 20px 40px rgba(121, 40, 202, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--light-purple-bg);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: radial-gradient(circle at 10% 20%, rgba(121, 40, 202, 0.03) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(255, 0, 128, 0.03) 0%, transparent 40%),
                  var(--light-purple-bg);
      min-height: 100vh;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--card-border);
      box-shadow: 0 2px 10px rgba(76, 29, 149, 0.03);
    }

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

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      color: var(--text-main);
    }

    .brand-box .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 700;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 0.5px;
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
    }

    .nav-links {
      display: flex;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.25s ease;
      position: relative;
    }

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

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-left: 16px;
    }

    .btn-nav-primary {
      padding: 8px 18px;
      background: var(--accent-gradient);
      color: #ffffff !important;
      border-radius: 30px;
      text-decoration: none;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(121, 40, 202, 0.25);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .btn-nav-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 6px 18px rgba(121, 40, 202, 0.35);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: 1px solid var(--card-border);
      padding: 8px 10px;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      cursor: pointer;
      font-size: 14px;
    }

    /* 区域统一标准 */
    .section-wrap {
      padding: 70px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: #f3e8ff;
      border: 1px solid #d8b4fe;
      color: var(--primary-purple);
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

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

    /* 首屏 Hero (绝无图片) */
    .hero-section {
      padding: 80px 0 60px;
      text-align: center;
      position: relative;
      background: linear-gradient(180deg, rgba(245, 237, 255, 0.8) 0%, rgba(248, 246, 254, 0) 100%);
      border-bottom: 1px solid rgba(233, 213, 255, 0.6);
    }

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

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid #d8b4fe;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: var(--deep-purple);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-tag-dot {
      width: 8px;
      height: 8px;
      background: #ff0080;
      border-radius: 50%;
      box-shadow: 0 0 10px #ff0080;
    }

    .hero-content h1 {
      font-size: 40px;
      font-weight: 900;
      color: #110d24;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-content h1 span {
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.6;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 16px;
      margin-bottom: 45px;
    }

    .btn-main-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      background: var(--accent-gradient);
      border-radius: 36px;
      text-decoration: none;
      box-shadow: 0 8px 24px rgba(121, 40, 202, 0.35);
      transition: all 0.25s ease;
      border: none;
      cursor: pointer;
    }

    .btn-main-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(121, 40, 202, 0.45);
    }

    .btn-main-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 30px;
      font-size: 16px;
      font-weight: 600;
      color: var(--deep-purple);
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: 36px;
      text-decoration: none;
      transition: all 0.25s ease;
    }

    .btn-main-secondary:hover {
      background: #fbf8ff;
      border-color: var(--primary-purple);
      transform: translateY(-2px);
    }

    .hero-highlights {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .highlight-card {
      background: #ffffff;
      border: 1px solid #ebdcfc;
      padding: 18px 20px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      text-align: left;
    }

    .highlight-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary-purple);
      margin-bottom: 4px;
    }

    .highlight-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.45;
    }

    /* 数据指标卡片 */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .metric-val {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary-purple);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .metric-val span {
      font-size: 18px;
      color: var(--vibrant-pink);
    }

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

    /* 服务能力与场景矩阵网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid #ece4fa;
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      border-color: var(--card-border);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }

    .service-head {
      margin-bottom: 12px;
    }

    .service-tag {
      font-size: 11px;
      color: var(--primary-purple);
      background: #f3e8ff;
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 8px;
      font-weight: 600;
    }

    .service-card h3 {
      font-size: 18px;
      color: var(--text-main);
      font-weight: 700;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-points {
      list-style: none;
      border-top: 1px dashed #f0e6ff;
      padding-top: 12px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .service-points li {
      font-size: 12px;
      color: #6b21a8;
      background: #faf5ff;
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 支持模型标签云 */
    .model-tags-container {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      margin-top: 40px;
    }

    .model-tags-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      text-align: center;
    }

    .model-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-badge {
      background: #fdfaff;
      border: 1px solid #ebd5ff;
      color: #581c87;
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      transition: all 0.2s;
    }

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

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

    .flow-card {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .flow-num {
      width: 36px;
      height: 36px;
      background: var(--accent-gradient);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      margin-bottom: 16px;
    }

    .flow-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .flow-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测版块 */
    .review-summary-card {
      background: linear-gradient(135deg, #ffffff 0%, #faf5ff 100%);
      border: 2px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 30px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
      box-shadow: var(--shadow-md);
    }

    .rating-badge-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-circle {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: var(--accent-gradient);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-weight: 900;
    }

    .score-val {
      font-size: 26px;
      line-height: 1;
    }

    .score-full {
      font-size: 11px;
      opacity: 0.9;
    }

    .rating-info h4 {
      font-size: 20px;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stars-indicator {
      color: #eab308;
      font-size: 18px;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }

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

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

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f3e8ff;
      font-size: 14px;
    }

    .compare-table th {
      background: #faf5ff;
      color: var(--deep-purple);
      font-weight: 700;
    }

    .compare-table tr:hover td {
      background: #fcfaff;
    }

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

    /* 案例图片展示区 (非首屏图片) */
    .case-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 30px;
    }

    .case-img-box {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 10;
      background: #eee;
      overflow: hidden;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .case-img-wrap img:hover {
      transform: scale(1.03);
    }

    .case-info {
      padding: 16px;
    }

    .case-info h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 4px;
      color: var(--text-main);
    }

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

    .media-banners {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 16px;
      margin-top: 24px;
    }

    .media-banner-item {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      padding: 8px;
    }

    .media-banner-item img {
      width: 100%;
      height: auto;
      border-radius: 8px;
      display: block;
    }

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
      gap: 24px;
    }

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

    .review-content {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }

    .review-content::before {
      content: "“";
      font-size: 32px;
      color: #d8b4fe;
      position: absolute;
      top: -16px;
      left: -8px;
      line-height: 1;
      font-family: Georgia, serif;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f5edff;
      padding-top: 12px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      background: #ede9fe;
      color: var(--primary-purple);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

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

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

    /* FAQ 折叠面板 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      padding: 18px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      transition: background-color 0.2s ease;
      user-select: none;
    }

    .faq-question:hover {
      background-color: #faf5ff;
    }

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

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

    .faq-answer-inner {
      padding: 0 22px 20px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      border-top: 1px solid #faf5ff;
    }

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

    .faq-item.active .faq-answer {
      max-height: 250px;
    }

    /* 文章列表 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
      margin-top: 24px;
    }

    .article-item {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-item h4 {
      font-size: 15px;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-item a {
      color: var(--primary-purple);
      font-size: 13px;
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .article-item a:hover {
      text-decoration: underline;
    }

    /* 需求匹配与表单 */
    .form-section-container {
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: center;
    }

    .form-info-side h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .form-info-side p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .contact-info-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: var(--text-main);
    }

    .contact-info-list li {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .contact-info-list strong {
      color: var(--deep-purple);
    }

    .lead-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #d8b4fe;
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      background: #faf8ff;
      color: var(--text-main);
      transition: border-color 0.2s;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--primary-purple);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.1);
    }

    .form-submit-btn {
      padding: 14px;
      background: var(--accent-gradient);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-sm);
      font-size: 16px;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.2s;
      box-shadow: var(--shadow-sm);
    }

    .form-submit-btn:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

    /* 加盟代理模块 */
    .agent-card-wrap {
      background: linear-gradient(135deg, #4c1d95 0%, #7928ca 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 30px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }

    .agent-card-wrap h3 {
      font-size: 26px;
      margin-bottom: 12px;
    }

    .agent-card-wrap p {
      font-size: 15px;
      opacity: 0.9;
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .agent-benefits {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .agent-tag {
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
    }

    .agent-cta-box {
      text-align: center;
      background: rgba(255, 255, 255, 0.1);
      padding: 24px;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
    }

    .qr-container {
      margin: 12px auto;
      width: 130px;
      background: #ffffff;
      padding: 6px;
      border-radius: 8px;
    }

    .qr-container img {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--card-border);
      padding: 50px 0 30px;
      color: var(--text-muted);
      font-size: 14px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

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

    .footer-links li a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s;
    }

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

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

    .friend-links-box a {
      color: var(--text-muted);
      text-decoration: none;
      background: #faf5ff;
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 12px;
      border: 1px solid #f3e8ff;
    }

    .friend-links-box a:hover {
      color: var(--primary-purple);
      border-color: var(--card-border);
    }

    .footer-bottom {
      border-top: 1px solid #f3e8ff;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: var(--text-light);
    }

    /* 浮动客服入口 */
    .floating-contact {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      background: var(--accent-gradient);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(121, 40, 202, 0.35);
      cursor: pointer;
      text-decoration: none;
      font-size: 12px;
      font-weight: 700;
      border: none;
    }

    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--card-border);
      border-radius: var(--radius-md);
      padding: 12px;
      box-shadow: var(--shadow-lg);
      width: 160px;
      text-align: center;
      display: none;
    }

    .float-qr-popup img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 6px;
    }

    .float-qr-popup p {
      font-size: 12px;
      color: var(--text-main);
      font-weight: 600;
    }

    .float-item:hover .float-qr-popup {
      display: block;
    }

    /* 移动端适配 */
    @media (max-width: 992px) {
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-gallery-grid {
        grid-template-columns: 1fr;
      }
      .form-section-container {
        grid-template-columns: 1fr;
      }
      .agent-card-wrap {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 20px;
        border-bottom: 1px solid var(--card-border);
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
      .hero-content h1 {
        font-size: 28px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .metric-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }