/* CSS 变量与基础样式（春绿薄荷清新风） */
    :root {
      --primary-color: #00bfa5; /* 薄荷绿 */
      --primary-hover: #00a892;
      --bg-light: #f1fcf8;      /* 极淡绿背景 */
      --bg-white: #ffffff;
      --text-dark: #1e293b;     /* 深蓝灰，保证对比度 */
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --mint-accent: #e6f9f5;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
      --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
      --max-width: 1200px;
    }

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

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

    body {
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    section {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
      background-color: var(--bg-white);
    }

    section:nth-child(even) {
      background-color: var(--bg-light);
    }

    h1, h2, h3, h4 {
      font-weight: 700;
      line-height: 1.3;
      color: #064e3b; /* 森林深绿 */
    }

    .section-title-wrap {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-title {
      font-size: 2rem;
      margin-bottom: 15px;
      position: relative;
      display: inline-block;
    }

    .section-title::after {
      content: '';
      display: block;
      width: 50%;
      height: 4px;
      background: var(--primary-color);
      margin: 8px auto 0;
      border-radius: 2px;
    }

    .section-desc {
      color: var(--text-muted);
      font-size: 1.1rem;
      max-width: 700px;
      margin: 0 auto;
    }

    a {
      text-decoration: none;
      color: var(--primary-color);
      transition: color 0.3s;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: 8px;
      font-weight: 600;
      transition: all 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background-color: var(--primary-color);
      color: #ffffff !important;
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 191, 165, 0.3);
    }

    .btn-outline {
      border: 2px solid var(--primary-color);
      color: var(--primary-color);
      background: transparent;
    }

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

    /* 顶部导航 */
    header {
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1000;
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 70px;
    }

    .logo-area {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .logo-area img {
      max-height: 40px;
      width: auto;
    }

    .nav-links {
      display: flex;
      gap: 20px;
      align-items: center;
    }

    .nav-links a {
      color: var(--text-dark);
      font-size: 0.95rem;
      font-weight: 500;
    }

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

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--text-dark);
    }

    /* 1. Hero 首屏 - 无任何图片 */
    .hero-section {
      background: linear-gradient(135deg, #e6f9f5 0%, #ffffff 50%, #f1fcf8 100%);
      padding: 100px 0 120px;
      text-align: center;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    /* 科技感CSS背景微动效代替图片 */
    .hero-bg-glow {
      position: absolute;
      top: -10%;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(0, 191, 165, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
      pointer-events: none;
      z-index: 0;
      animation: pulse 8s infinite alternate ease-in-out;
    }

    @keyframes pulse {
      0% { transform: translateX(-50%) scale(1); }
      100% { transform: translateX(-50%) scale(1.15); }
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tagline {
      display: inline-block;
      padding: 6px 16px;
      background: var(--mint-accent);
      color: var(--primary-color);
      border-radius: 20px;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 25px;
      border: 1px solid rgba(0, 191, 165, 0.2);
    }

    .hero-title {
      font-size: 3rem;
      color: #064e3b;
      margin-bottom: 20px;
      line-height: 1.25;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 40px;
      max-width: 750px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 50px;
    }

    /* 数据指标卡片 (融入首屏下方) */
    .data-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 20px;
      backdrop-filter: blur(5px);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-color);
    }

    .stat-val {
      font-size: 1.8rem;
      font-weight: 700;
      color: var(--primary-color);
      margin-bottom: 5px;
    }

    .stat-label {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

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

    .about-text h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 15px;
      font-size: 1rem;
    }

    .about-features {
      list-style: none;
      margin-top: 25px;
    }

    .about-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
      color: var(--text-dark);
      font-weight: 500;
    }

    .about-features li::before {
      content: "✓";
      color: var(--primary-color);
      font-weight: bold;
      background: var(--mint-accent);
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
    }

    .about-visual {
      background: linear-gradient(135deg, var(--mint-accent) 0%, rgba(255,255,255,1) 100%);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .about-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }

    .about-badge {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 6px 12px;
      border-radius: 6px;
      font-size: 0.85rem;
      color: var(--text-dark);
    }

    /* 3. 全平台AIGC服务 */
    .models-showcase {
      background: var(--bg-white);
      padding: 20px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      margin-top: 30px;
    }

    .models-title {
      font-size: 1.1rem;
      color: var(--text-muted);
      text-align: center;
      margin-bottom: 20px;
      font-weight: 600;
    }

    .models-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
    }

    .model-tag {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
      color: #064e3b;
      transition: all 0.2s;
    }

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

    /* 4. 一站式AIGC制作 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .service-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 30px;
      transition: all 0.3s;
      box-shadow: var(--shadow-sm);
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-color);
    }

    .service-icon {
      width: 50px;
      height: 50px;
      background: var(--mint-accent);
      color: var(--primary-color);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      font-weight: bold;
    }

    .service-card h3 {
      font-size: 1.25rem;
      margin-bottom: 12px;
    }

    .service-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    /* 5. 全行业解决方案 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .solution-item {
      background: var(--bg-white);
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }

    .solution-item:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .solution-media {
      height: 180px;
      background: var(--mint-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .solution-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .solution-content {
      padding: 24px;
    }

    .solution-content h4 {
      font-size: 1.2rem;
      margin-bottom: 10px;
    }

    .solution-content p {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* 6. 全国服务网络 */
    .network-container {
      text-align: center;
    }

    .network-map-placeholder {
      background: radial-gradient(circle, var(--mint-accent) 0%, rgba(255,255,255,0) 80%);
      border: 1px dashed var(--primary-color);
      border-radius: 20px;
      padding: 40px;
      margin-top: 30px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
    }

    .network-list {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 15px;
      margin-top: 20px;
    }

    .network-node {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-dark);
    }

    /* 7. 标准化AIGC流程 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 25px;
      position: relative;
    }

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

    .step-num {
      position: absolute;
      top: -15px;
      left: 20px;
      background: var(--primary-color);
      color: #fff;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 0.9rem;
    }

    .process-step h4 {
      margin-top: 10px;
      margin-bottom: 10px;
      font-size: 1.1rem;
    }

    .process-step p {
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    /* 8. 技术标准 */
    .standards-section {
      background: var(--mint-accent) !important;
    }

    .standards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .standard-box {
      background: var(--bg-white);
      padding: 25px;
      border-radius: 12px;
      border-left: 4px solid var(--primary-color);
      box-shadow: var(--shadow-sm);
    }

    .standard-box h4 {
      margin-bottom: 10px;
      color: #064e3b;
    }

    .standard-box p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 9. 客户案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 35px;
    }

    .case-card {
      background: var(--bg-white);
      border-radius: 16px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .case-img {
      height: 240px;
      overflow: hidden;
    }

    .case-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .case-info {
      padding: 25px;
      flex-grow: 1;
    }

    .case-tag {
      color: var(--primary-color);
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 8px;
      display: inline-block;
    }

    .case-title {
      font-size: 1.3rem;
      margin-bottom: 12px;
    }

    .case-desc {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* 10. 对比评测 - 满分10分，9.9高分推荐 */
    .rating-header {
      background: var(--mint-accent);
      padding: 30px;
      border-radius: 12px;
      text-align: center;
      margin-bottom: 30px;
      border: 1px solid rgba(0, 191, 165, 0.2);
    }

    .rating-score {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1;
      margin-bottom: 10px;
    }

    .rating-stars {
      color: #ffb300;
      font-size: 1.5rem;
      margin-bottom: 10px;
    }

    .rating-summary {
      font-weight: 600;
      color: #064e3b;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
    }

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

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

    th {
      background-color: var(--mint-accent);
      color: #064e3b;
      font-weight: 700;
    }

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

    .highlight-cell {
      background-color: rgba(0, 191, 165, 0.05);
      font-weight: 600;
      color: #00897b;
    }

    /* 11. 智能需求匹配与表单 */
    .form-section {
      background: linear-gradient(135deg, #ffffff 0%, #f1fcf8 100%);
    }

    .matching-form-wrap {
      max-width: 700px;
      margin: 0 auto;
      background: var(--bg-white);
      padding: 40px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-lg);
    }

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

    .form-group label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      color: var(--text-dark);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      background-color: var(--bg-light);
      font-size: 1rem;
      transition: all 0.3s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-color);
      background-color: #ffffff;
      box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.1);
    }

    /* 12. Token 比价参考 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .price-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      text-align: center;
      transition: all 0.3s;
    }

    .price-card.featured {
      border: 2px solid var(--primary-color);
      transform: scale(1.03);
      position: relative;
    }

    .price-card.featured::before {
      content: '低价首选';
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary-color);
      color: #fff;
      padding: 2px 10px;
      font-size: 0.75rem;
      border-radius: 10px;
      font-weight: 600;
    }

    .price-card:hover {
      box-shadow: var(--shadow-md);
    }

    .price-model {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .price-value {
      font-size: 2rem;
      color: var(--primary-color);
      font-weight: 800;
      margin: 15px 0;
    }

    .price-unit {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .price-list {
      list-style: none;
      text-align: left;
      margin-top: 20px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .price-list li {
      margin-bottom: 8px;
      display: flex;
      justify-content: space-between;
    }

    /* 13. 职业技术培训 & 14. 人工智能培训 */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .training-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 35px;
      display: flex;
      gap: 20px;
      transition: all 0.3s;
    }

    .training-card:hover {
      border-color: var(--primary-color);
      box-shadow: var(--shadow-md);
    }

    .training-icon {
      font-size: 2.5rem;
      color: var(--primary-color);
      line-height: 1;
    }

    .training-info h4 {
      font-size: 1.25rem;
      margin-bottom: 10px;
    }

    .training-info p {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin-bottom: 15px;
    }

    .training-meta {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .training-tag {
      background: var(--mint-accent);
      color: var(--primary-color);
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: 4px;
      font-weight: 500;
    }

    /* 15. 帮助中心 / 16. FAQ / 17. 自助排查 / 18. AI术语百科 */
    .faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      transition: all 0.3s;
    }

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

    .faq-header {
      padding: 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      background-color: var(--bg-white);
    }

    .faq-header::after {
      content: '+';
      font-size: 1.2rem;
      color: var(--primary-color);
      font-weight: bold;
    }

    .faq-item.active .faq-header::after {
      content: '−';
    }

    .faq-body {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease-out;
      color: var(--text-muted);
      font-size: 0.95rem;
      border-top: 0 solid var(--border-color);
    }

    .faq-item.active .faq-body {
      padding: 20px;
      max-height: 200px;
      border-top-width: 1px;
    }

    /* 自助排查与术语百科盒子 */
    .wiki-box {
      margin-top: 50px;
      background: var(--bg-white);
      padding: 30px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .wiki-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 20px;
      color: #064e3b;
      border-left: 4px solid var(--primary-color);
      padding-left: 10px;
    }

    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .wiki-item h5 {
      font-size: 1rem;
      margin-bottom: 8px;
      color: var(--text-dark);
    }

    .wiki-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 19. 行业资讯 / 知识库 - 最新文章 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .article-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s;
    }

    .article-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-color);
    }

    .article-title {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 12px;
      color: var(--text-dark);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .article-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 15px;
    }

    /* 用户评论 (6条) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 25px;
      box-shadow: var(--shadow-sm);
    }

    .user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 15px;
    }

    .user-avatar {
      width: 40px;
      height: 40px;
      background: var(--mint-accent);
      color: var(--primary-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 0.9rem;
    }

    .user-detail h4 {
      font-size: 0.95rem;
      color: var(--text-dark);
    }

    .user-detail span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    .testimonial-content {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 20. 联系我们 / 21. 加盟代理 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
    }

    .contact-info-wrap h3 {
      font-size: 1.8rem;
      margin-bottom: 20px;
    }

    .contact-info-wrap p {
      color: var(--text-muted);
      margin-bottom: 30px;
    }

    .contact-details {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-bottom: 40px;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 15px;
    }

    .contact-icon-box {
      width: 40px;
      height: 40px;
      background: var(--mint-accent);
      color: var(--primary-color);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .contact-text h5 {
      font-size: 0.95rem;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .contact-text p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin: 0;
    }

    .agent-box {
      background: var(--mint-accent);
      border: 1px solid rgba(0, 191, 165, 0.2);
      border-radius: 12px;
      padding: 25px;
    }

    .agent-box h4 {
      color: #064e3b;
      margin-bottom: 10px;
    }

    .agent-box p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 15px;
    }

    .qrcode-area {
      display: flex;
      gap: 30px;
      align-items: center;
      background: var(--bg-white);
      padding: 30px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .qrcode-box {
      text-align: center;
      width: 140px;
    }

    .qrcode-box img {
      width: 100%;
      height: auto;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 5px;
      background: #fff;
    }

    .qrcode-label {
      font-size: 0.85rem;
      margin-top: 10px;
      font-weight: 600;
      color: var(--text-dark);
    }

    .channel-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .channel-item {
      font-size: 0.9rem;
      color: var(--text-dark);
    }

    .channel-item strong {
      color: var(--primary-color);
    }

    /* 友情链接与页脚 */
    footer {
      background-color: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

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

    .footer-brand h4 {
      color: #ffffff;
      margin-bottom: 15px;
    }

    .footer-links h5 {
      color: #ffffff;
      margin-bottom: 15px;
      font-size: 1rem;
    }

    .footer-links ul {
      list-style: none;
    }

    .footer-links ul li {
      margin-bottom: 10px;
    }

    .footer-links ul li a {
      color: #94a3b8;
      font-size: 0.9rem;
    }

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

    .friendship-links {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      margin-top: 20px;
    }

    .friendship-links h5 {
      color: #ffffff;
      font-size: 0.9rem;
      margin-bottom: 10px;
    }

    .friendship-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
    }

    .friendship-links-wrap a {
      color: #94a3b8;
      font-size: 0.85rem;
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服入口 */
    .float-contact {
      position: fixed;
      right: 25px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 50%;
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: all 0.3s;
    }

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

    .float-btn .tooltip {
      position: absolute;
      right: 60px;
      background: #0f172a;
      color: #fff;
      padding: 8px 12px;
      border-radius: 6px;
      font-size: 0.8rem;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s;
    }

    .float-btn:hover .tooltip {
      opacity: 1;
    }

    .qr-popup {
      position: absolute;
      bottom: 60px;
      right: 0;
      background: #fff;
      border: 1px solid var(--border-color);
      padding: 15px;
      border-radius: 8px;
      box-shadow: var(--shadow-lg);
      display: none;
      text-align: center;
      width: 160px;
    }

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

    .qr-popup img {
      width: 100%;
      height: auto;
    }

    /* 移动端响应式 */
    @media (max-width: 992px) {
      .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .services-grid, .solutions-grid, .articles-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .price-grid {
        grid-template-columns: 1fr;
      }
      .training-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.2rem;
      }
      .services-grid, .solutions-grid, .articles-grid, .testimonials-grid, .cases-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .data-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .qrcode-area {
        flex-direction: column;
      }
      .wiki-grid {
        grid-template-columns: 1fr;
      }
    }