:root {
      --primary: #0f766e;
      --primary-dark: #115e59;
      --primary-light: #0d9488;
      --accent: #06b6d4;
      --accent-subtle: #ccfbf1;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #334155;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-focus: #14b8a6;
      --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
      --transition-normal: all 0.25s ease;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-stack);
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    .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, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition-normal);
    }

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

    .brand-logo-area {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-logo-area img.ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }

    .brand-title-group {
      display: flex;
      flex-direction: column;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }

    .brand-tagline {
      font-size: 0.75rem;
      color: var(--text-light);
      line-height: 1.2;
    }

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

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

    .nav-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.938rem;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: 6px;
      transition: var(--transition-normal);
      display: inline-block;
    }

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

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-left: 16px;
    }

    .btn-nav-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: #ffffff !important;
      padding: 8px 18px;
      border-radius: 6px;
      font-size: 0.875rem;
      font-weight: 600;
      text-decoration: none;
      box-shadow: 0 2px 4px rgba(15, 118, 110, 0.2);
      transition: var(--transition-normal);
    }

    .btn-nav-primary:hover {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-main);
      margin: 5px 0;
      transition: var(--transition-normal);
    }

    /* 首屏 Hero 纯科技渐变设计，无图片 */
    .hero-section {
      background: linear-gradient(180deg, #ecfdf5 0%, #f0fdfa 50%, var(--bg-main) 100%);
      padding: 80px 0 60px;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #e6fffa;
      border: 1px solid #99f6e4;
      color: var(--primary-dark);
      border-radius: 9999px;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-badge .dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #0d9488;
      box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.2);
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin-bottom: 20px;
      max-width: 900px;
    }

    .hero-title span.highlight {
      background: linear-gradient(120deg, #0f766e 0%, #06b6d4 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 760px;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 48px;
    }

    .btn-main-site {
      background: linear-gradient(135deg, #0f766e 0%, #0d9488 100%);
      color: #ffffff;
      padding: 14px 32px;
      border-radius: 8px;
      font-size: 1.05rem;
      font-weight: 700;
      text-decoration: none;
      box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
      transition: var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .btn-main-site:hover {
      background: linear-gradient(135deg, #115e59 0%, #0f766e 100%);
      box-shadow: 0 6px 18px rgba(15, 118, 110, 0.4);
      transform: translateY(-2px);
      color: #ffffff;
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--text-main);
      padding: 14px 28px;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 600;
      text-decoration: none;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .btn-secondary:hover {
      background: #f8fafc;
      border-color: var(--primary-light);
      color: var(--primary);
    }

    /* 首屏数据网格 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      width: 100%;
      max-width: 1000px;
    }

    .stat-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      text-align: center;
    }

    .stat-box:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: #99f6e4;
    }

    .stat-number {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 0.875rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 通用章节规范 */
    .section-block {
      padding: 70px 0;
      border-bottom: 1px solid var(--border-color);
    }

    .section-block.bg-light {
      background-color: #f8fafc;
    }

    .section-block.bg-tint {
      background-color: #f0fdfa;
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.813rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary);
      background-color: var(--accent-subtle);
      padding: 4px 12px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .section-heading {
      font-size: 2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.3px;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
      line-height: 1.6;
    }

    /* 平台核心模型与品牌展示 */
    .model-tags-wrapper {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 24px;
    }

    .model-badge {
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--text-main);
      padding: 8px 18px;
      border-radius: 8px;
      font-size: 0.875rem;
      font-weight: 600;
      box-shadow: 0 1px 2px rgba(0,0,0,0.03);
      transition: var(--transition-normal);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .model-badge:hover {
      border-color: var(--primary);
      color: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }

    /* 服务能力卡片网格 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition-normal);
      display: flex;
      flex-direction: column;
    }

    .service-card:hover {
      border-color: #5eead4;
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .service-card-icon {
      width: 44px;
      height: 44px;
      background: var(--accent-subtle);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary);
    }

    .service-card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .service-card-text {
      font-size: 0.938rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-card-meta {
      font-size: 0.813rem;
      color: var(--primary-dark);
      font-weight: 600;
      border-top: 1px dashed var(--border-color);
      padding-top: 12px;
    }

    /* 场景矩阵多列网格 */
    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scenario-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 10px;
      padding: 20px;
      transition: var(--transition-normal);
    }

    .scenario-item:hover {
      border-color: var(--primary-light);
      background-color: #fcfefe;
      box-shadow: var(--shadow-md);
    }

    .scenario-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .scenario-title-icon {
      color: var(--primary);
    }

    .scenario-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 对比评测表格与评测卡片 */
    .evaluation-header-card {
      background: linear-gradient(135deg, #0f766e 0%, #134e4a 100%);
      color: #ffffff;
      border-radius: 12px;
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 32px;
      box-shadow: var(--shadow-md);
    }

    .evaluation-left h3 {
      font-size: 1.5rem;
      margin-bottom: 8px;
      color: #ffffff;
    }

    .evaluation-left p {
      color: #ccfbf1;
      font-size: 0.95rem;
    }

    .evaluation-rating-box {
      text-align: right;
      background: rgba(255, 255, 255, 0.1);
      padding: 16px 24px;
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .rating-number {
      font-size: 2.25rem;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
    }

    .rating-stars {
      color: #fbbf24;
      font-size: 1.1rem;
      margin-top: 4px;
      letter-spacing: 2px;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.938rem;
    }

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

    .custom-table th {
      background: #f8fafc;
      color: var(--text-main);
      font-weight: 700;
      white-space: nowrap;
    }

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

    .custom-table tr:hover td {
      background-color: #f8fafc;
    }

    .badge-winner {
      background: #ccfbf1;
      color: #0f766e;
      padding: 4px 8px;
      border-radius: 4px;
      font-size: 0.813rem;
      font-weight: 700;
    }

    .badge-normal {
      background: #f1f5f9;
      color: #64748b;
      padding: 4px 8px;
      border-radius: 4px;
      font-size: 0.813rem;
    }

    /* 案例展示区（含真实图片） */
    .case-media-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }

    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .media-card .img-wrapper {
      width: 100%;
      overflow: hidden;
      background-color: #e2e8f0;
      position: relative;
    }

    .media-card img.ai-page-image,
    .media-card img {
      width: 100%;
      height: auto;
      max-width: 100%;
      display: block;
      transition: transform 0.3s ease;
    }

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

    .media-info {
      padding: 20px;
    }

    .media-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .media-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .dual-horizontal-img-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    /* 流程工作流 */
    .process-steps-wrapper {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-card-num {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 16px;
    }

    .step-card-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-card-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 客户评价网格（6条评论） */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition-normal);
    }

    .review-card:hover {
      box-shadow: var(--shadow-md);
      border-color: #99f6e4;
      transform: translateY(-2px);
    }

    .review-stars {
      color: #fbbf24;
      margin-bottom: 12px;
      font-size: 0.9rem;
    }

    .review-text {
      font-size: 0.938rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      font-style: normal;
    }

    .review-user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .user-avatar-initial {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #e0f2fe;
      color: #0369a1;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .user-name-title {
      display: flex;
      flex-direction: column;
    }

    .user-name {
      font-size: 0.938rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-role {
      font-size: 0.813rem;
      color: var(--text-light);
    }

    /* FAQ 常见问题折叠 */
    .faq-accordion-container {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      overflow: hidden;
      transition: var(--transition-normal);
    }

    .faq-item:hover {
      border-color: #99f6e4;
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      cursor: pointer;
    }

    .faq-icon {
      font-size: 1.25rem;
      font-weight: 300;
      color: var(--primary);
      transition: transform 0.2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background-color: #f8fafc;
      padding: 0 24px;
    }

    .faq-answer-inner {
      padding: 16px 0 20px;
      font-size: 0.938rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
    }

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

    /* 文章与资讯短代码调用 */
    .articles-section-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .article-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
    }

    .article-pill {
      background: #f1f5f9;
      color: var(--primary-dark);
      padding: 8px 16px;
      border-radius: 6px;
      text-decoration: none;
      font-size: 0.875rem;
      font-weight: 500;
      border: 1px solid transparent;
      transition: var(--transition-normal);
    }

    .article-pill:hover {
      background: #e6fffa;
      border-color: #99f6e4;
      color: var(--primary);
    }

    /* 需求表单与联系我们板块 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .contact-info-panel h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

    .contact-info-panel p {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-details-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 24px;
    }

    .contact-details-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.938rem;
      color: var(--text-main);
    }

    .contact-icon-box {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--accent-subtle);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.875rem;
    }

    .qr-container {
      margin-top: 20px;
      padding: 16px;
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
    }

    .qr-container img {
      width: 140px;
      height: 140px;
      display: block;
      margin-bottom: 8px;
    }

    .qr-container span {
      font-size: 0.813rem;
      color: var(--text-light);
    }

    /* 表单组件 */
    .lead-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

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

    .form-group label {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.938rem;
      font-family: inherit;
      color: var(--text-main);
      background-color: #ffffff;
      transition: var(--transition-normal);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--border-focus);
      box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
    }

    .btn-submit {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: #ffffff;
      border: none;
      border-radius: 8px;
      padding: 14px 24px;
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 2px 6px rgba(15, 118, 110, 0.25);
      transition: var(--transition-normal);
    }

    .btn-submit:hover {
      background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
      transform: translateY(-1px);
    }

    /* 加盟代理模块 */
    .partner-banner {
      background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
      border: 1px solid #99f6e4;
      border-radius: 16px;
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 30px;
    }

    .partner-content h3 {
      font-size: 1.6rem;
      color: var(--primary-dark);
      margin-bottom: 8px;
      font-weight: 800;
    }

    .partner-content p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 友情链接区 */
    .friend-links-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      margin-bottom: 40px;
    }

    .friend-links-title {
      font-size: 0.938rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-list a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.875rem;
      transition: color 0.2s ease;
    }

    .friend-links-list a:hover {
      color: var(--primary);
      text-decoration: underline;
    }

    /* 规范底脚 */
    .site-footer {
      background-color: #0f172a;
      color: #94a3b8;
      padding: 48px 0 28px;
      border-top: 1px solid #1e293b;
    }

    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      font-size: 0.875rem;
      line-height: 1.6;
      margin-top: 12px;
      color: #94a3b8;
    }

    .footer-col h4 {
      font-size: 0.938rem;
      font-weight: 700;
      color: #f8fafc;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

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

    .footer-col a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 0.875rem;
      transition: color 0.2s ease;
    }

    .footer-col a:hover {
      color: #2dd4bf;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.813rem;
      color: #64748b;
    }

    .footer-bottom a {
      color: #64748b;
      text-decoration: none;
    }

    .footer-bottom a:hover {
      color: #94a3b8;
    }

    /* 浮动工具组件 */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 999;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50%;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-main);
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition-normal);
      font-size: 1.1rem;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 移动端与自适应响应 */
    @media (max-width: 992px) {
      .services-grid,
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-steps-wrapper {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-media-grid {
        grid-template-columns: 1fr;
      }
      .dual-horizontal-img-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 1.85rem;
      }
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
      }
      .services-grid,
      .reviews-grid,
      .scenario-grid,
      .process-steps-wrapper {
        grid-template-columns: 1fr;
      }
      .partner-banner {
        flex-direction: column;
        text-align: center;
      }
      .evaluation-header-card {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
      .evaluation-rating-box {
        text-align: center;
      }
      .mobile-menu-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-lg);
        display: none;
        flex-direction: column;
        align-items: flex-start;
      }
      .nav-menu.is-active {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
        align-items: flex-start;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 12px;
      }
      .nav-cta {
        margin-left: 0;
        margin-top: 14px;
        width: 100%;
      }
      .btn-nav-primary {
        width: 100%;
        text-align: center;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }