/* 基础重置 */
    :root {
      --primary: #00b894;
      --primary-hover: #00a884;
      --primary-light: #e8f8f5;
      --secondary: #55efc4;
      --dark: #2c3e50;
      --text: #2d3748;
      --light-gray: #f8f9fa;
      --border: #e2e8f0;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text);
      background-color: #fafdfc;
    }
    
    body {
      overflow-x: hidden;
      line-height: 1.6;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    /* 全局容器 */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

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

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

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

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

    .logo-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: 0.5px;
    }

    .nav-menu {
      display: flex;
      gap: 20px;
      list-style: none;
    }

    .nav-menu a {
      font-size: 0.95rem;
      color: var(--dark);
      font-weight: 500;
      padding: 8px 12px;
      border-radius: 6px;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.95rem;
      cursor: pointer;
      transition: var(--transition);
      border: none;
    }

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

    .btn-primary:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
    }

    .btn-outline {
      background-color: transparent;
      border: 1px solid var(--primary);
      color: var(--primary);
    }

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

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: none;
      cursor: pointer;
    }

    .menu-toggle span {
      display: block;
      width: 25px;
      height: 3px;
      background-color: var(--dark);
      border-radius: 2px;
      transition: var(--transition);
    }

    /* Hero 首屏 - 纯色/渐变/几何块，禁止图片 */
    .hero-section {
      background: radial-gradient(circle at 10% 20%, #e8f8f5 0%, #ffffff 90%);
      padding: 100px 0 80px 0;
      position: relative;
      overflow: hidden;
      text-align: center;
    }

    .hero-section::before {
      content: "";
      position: absolute;
      width: 300px;
      height: 300px;
      background: linear-gradient(135deg, rgba(85, 239, 196, 0.2), rgba(0, 184, 148, 0.05));
      border-radius: 50%;
      top: -100px;
      right: -50px;
      z-index: 1;
    }

    .hero-section::after {
      content: "";
      position: absolute;
      width: 200px;
      height: 200px;
      background: linear-gradient(135deg, rgba(85, 239, 196, 0.15), rgba(0, 184, 148, 0.02));
      border-radius: 50%;
      bottom: -50px;
      left: -50px;
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-block;
      background-color: var(--primary-light);
      color: var(--primary);
      padding: 6px 16px;
      border-radius: 50px;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 20px;
      border: 1px solid rgba(0, 184, 148, 0.15);
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 800;
      color: var(--dark);
      line-height: 1.25;
      margin-bottom: 24px;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: #636e72;
      margin-bottom: 40px;
      line-height: 1.6;
    }

    .hero-btn-container {
      display: flex;
      justify-content: center;
      gap: 15px;
      flex-wrap: wrap;
    }

    .hero-btn-primary {
      padding: 16px 36px;
      font-size: 1.1rem;
      box-shadow: 0 6px 20px rgba(0, 184, 148, 0.3);
    }

    /* 数据指标卡片 */
    .stats-section {
      background-color: #fff;
      padding: 40px 0;
      border-bottom: 1px solid var(--border);
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .stat-card {
      background-color: var(--light-gray);
      border-radius: 12px;
      padding: 24px;
      text-align: center;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .stat-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary);
      background-color: #fff;
      box-shadow: 0 10px 30px rgba(0, 184, 148, 0.08);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 0.95rem;
      color: var(--dark);
      font-weight: 600;
    }

    .stat-desc {
      font-size: 0.85rem;
      color: #7f8c8d;
      margin-top: 4px;
    }

    /* 通用区块样式 */
    section {
      padding: 80px 0;
    }

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

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--dark);
      margin-bottom: 15px;
      position: relative;
      display: inline-block;
    }

    .section-title::after {
      content: "";
      position: absolute;
      bottom: -6px;
      left: 50%;
      transform: translateX(-50%);
      width: 40px;
      height: 4px;
      background-color: var(--primary);
      border-radius: 2px;
    }

    .section-desc {
      color: #7f8c8d;
      font-size: 1rem;
      max-width: 600px;
      margin: 0 auto;
    }

    /* 关于我们 + 平台介绍 */
    .about-section {
      background-color: #fff;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.6rem;
      color: var(--dark);
      margin-bottom: 16px;
      font-weight: 700;
    }

    .about-text {
      color: #636e72;
      font-size: 1rem;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .about-features {
      list-style: none;
    }

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

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

    .about-highlight-box {
      background-color: var(--primary-light);
      border-left: 4px solid var(--primary);
      padding: 30px;
      border-radius: 0 12px 12px 0;
    }

    .about-highlight-box h4 {
      font-size: 1.25rem;
      color: var(--primary);
      margin-bottom: 10px;
      font-weight: 700;
    }

    .about-highlight-box p {
      color: var(--dark);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    /* 全平台AIGC服务 + 一站式制作 */
    .service-section {
      background-color: var(--light-gray);
    }

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

    .service-card {
      background-color: #fff;
      border-radius: 12px;
      padding: 35px 25px;
      border: 1px solid var(--border);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 35px rgba(0, 184, 148, 0.08);
      border-color: var(--primary);
    }

    .service-icon {
      width: 50px;
      height: 50px;
      background-color: var(--primary-light);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.5rem;
      color: var(--primary);
    }

    .service-card h3 {
      font-size: 1.3rem;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .service-card p {
      font-size: 0.95rem;
      color: #636e72;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tags span {
      font-size: 0.75rem;
      background-color: var(--light-gray);
      color: var(--dark);
      padding: 4px 8px;
      border-radius: 4px;
      font-weight: 500;
    }

    /* AI平台模型墙 */
    .models-wall-section {
      background-color: #fff;
      padding: 50px 0;
      border-bottom: 1px solid var(--border);
    }

    .models-container {
      text-align: center;
    }

    .models-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: #7f8c8d;
      margin-bottom: 25px;
    }

    .models-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .model-tag {
      background-color: var(--light-gray);
      color: var(--dark);
      font-weight: 600;
      font-size: 0.85rem;
      padding: 8px 16px;
      border-radius: 30px;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .model-tag:hover {
      background-color: var(--primary-light);
      color: var(--primary);
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 解决方案与服务网络 */
    .solutions-section {
      background-color: #fff;
    }

    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-card {
      border-radius: 12px;
      padding: 24px;
      background-color: var(--light-gray);
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .solution-card:hover {
      background-color: #fff;
      border-color: var(--primary);
      box-shadow: 0 10px 25px rgba(0, 184, 148, 0.06);
    }

    .solution-card h4 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: var(--dark);
    }

    .solution-card p {
      font-size: 0.9rem;
      color: #636e72;
    }

    /* 标准化AIGC流程 与 技术标准 */
    .workflow-section {
      background-color: var(--light-gray);
    }

    .workflow-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      position: relative;
    }

    .workflow-step {
      background-color: #fff;
      padding: 25px;
      border-radius: 12px;
      border: 1px solid var(--border);
      position: relative;
      z-index: 2;
    }

    .step-num {
      width: 35px;
      height: 35px;
      background-color: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 15px;
    }

    .workflow-step h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
      color: var(--dark);
    }

    .workflow-step p {
      font-size: 0.88rem;
      color: #636e72;
    }

    /* 对比评测 + Token比价参考 */
    .evaluation-section {
      background-color: #fff;
    }

    .evaluation-grid {
      display: grid;
      grid-template-columns: 1.2fr 1.8fr;
      gap: 40px;
      align-items: flex-start;
    }

    .score-card {
      background: linear-gradient(135deg, var(--primary) 0%, #1abc9c 100%);
      color: #fff;
      border-radius: 16px;
      padding: 40px;
      text-align: center;
      box-shadow: 0 15px 30px rgba(0, 184, 148, 0.15);
    }

    .score-stars {
      color: #f1c40f;
      font-size: 2rem;
      margin-bottom: 15px;
    }

    .score-num {
      font-size: 4rem;
      font-weight: 800;
      line-height: 1;
      margin-bottom: 5px;
    }

    .score-max {
      font-size: 1.1rem;
      opacity: 0.8;
      margin-bottom: 20px;
    }

    .score-title {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .score-desc {
      font-size: 0.9rem;
      opacity: 0.9;
      line-height: 1.6;
    }

    .comparison-table-wrapper {
      width: 100%;
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: 12px;
    }

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.9rem;
      min-width: 500px;
    }

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

    .comparison-table th {
      background-color: var(--light-gray);
      color: var(--dark);
      font-weight: 700;
    }

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

    .comparison-table td strong {
      color: var(--primary);
    }

    .tag-pro {
      background-color: var(--primary-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 600;
    }

    /* 培训业务 */
    .training-section {
      background-color: var(--light-gray);
    }

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

    .training-card {
      background-color: #fff;
      border-radius: 12px;
      padding: 30px;
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
    }

    .training-card h4 {
      font-size: 1.2rem;
      color: var(--dark);
      margin-bottom: 12px;
    }

    .training-auth {
      display: inline-block;
      background-color: #fff8e1;
      color: #ffb300;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      margin-bottom: 15px;
    }

    .training-card p {
      font-size: 0.9rem;
      color: #636e72;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .training-footer {
      border-top: 1px solid var(--border);
      padding-top: 15px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .training-duration {
      font-size: 0.85rem;
      color: #95a5a6;
    }

    /* 客户案例中心 */
    .cases-section {
      background-color: #fff;
    }

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

    .case-card {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border);
      background-color: #fff;
      transition: var(--transition);
    }

    .case-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 30px rgba(0, 184, 148, 0.08);
      border-color: var(--primary);
    }

    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background-color: var(--light-gray);
      position: relative;
    }

    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .case-card:hover .case-img-wrap img {
      transform: scale(1.05);
    }

    .case-body {
      padding: 20px;
    }

    .case-tag {
      font-size: 0.75rem;
      background-color: var(--primary-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
      display: inline-block;
      margin-bottom: 10px;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 0.88rem;
      color: #636e72;
      line-height: 1.5;
    }

    /* 加盟代理 */
    .agent-section {
      background: linear-gradient(135deg, var(--primary-light) 0%, #d1f2eb 100%);
    }

    .agent-box {
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
      background-color: #fff;
      border-radius: 16px;
      padding: 40px;
      box-shadow: 0 15px 35px rgba(0, 184, 148, 0.05);
      border: 1px solid rgba(0, 184, 148, 0.1);
    }

    .agent-box h3 {
      font-size: 1.8rem;
      color: var(--dark);
      margin-bottom: 15px;
    }

    .agent-desc {
      color: #636e72;
      margin-bottom: 30px;
      font-size: 1.05rem;
    }

    .agent-features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 35px;
    }

    .agent-feature-item {
      padding: 15px;
      background-color: var(--light-gray);
      border-radius: 8px;
    }

    .agent-feature-item h5 {
      font-size: 1rem;
      color: var(--primary);
      margin-bottom: 5px;
      font-weight: 700;
    }

    .agent-feature-item p {
      font-size: 0.85rem;
      color: #7f8c8d;
    }

    /* 智能需求匹配与表单 */
    .matching-section {
      background-color: #fff;
    }

    .matching-container {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 50px;
      align-items: center;
    }

    .matching-form-card {
      background-color: #fff;
      border-radius: 16px;
      padding: 40px;
      border: 1px solid var(--border);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.03);
    }

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

    .form-label {
      display: block;
      margin-bottom: 8px;
      font-weight: 600;
      color: var(--dark);
      font-size: 0.9rem;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: 8px;
      outline: none;
      font-size: 0.95rem;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 客户评论卡片 */
    .comments-section {
      background-color: var(--light-gray);
    }

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

    .comment-card {
      background-color: #fff;
      border-radius: 12px;
      padding: 30px;
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .comment-text {
      font-size: 0.95rem;
      color: #636e72;
      line-height: 1.6;
      margin-bottom: 20px;
      position: relative;
    }

    .comment-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border);
      padding-top: 15px;
    }

    .comment-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background-color: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.1rem;
    }

    .comment-info h5 {
      font-size: 0.95rem;
      color: var(--dark);
      font-weight: 700;
    }

    .comment-info span {
      font-size: 0.8rem;
      color: #95a5a6;
    }

    /* 帮助中心与FAQ */
    .faq-section {
      background-color: #fff;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .faq-item {
      background-color: var(--light-gray);
      border-radius: 8px;
      border: 1px solid var(--border);
      margin-bottom: 15px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-header {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      color: var(--dark);
      font-size: 0.98rem;
      transition: var(--transition);
    }

    .faq-header:hover {
      background-color: var(--primary-light);
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      transition: transform 0.3s;
    }

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

    .faq-content {
      padding: 20px 24px;
      font-size: 0.92rem;
      color: #636e72;
      line-height: 1.6;
      border-top: 1px solid var(--border);
    }

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

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

    /* 资讯中心/文章列表 */
    .news-section {
      background-color: var(--light-gray);
    }

    .news-wrapper {
      background-color: #fff;
      border-radius: 16px;
      padding: 40px;
      border: 1px solid var(--border);
    }

    .news-placeholder {
      font-size: 0.9rem;
      color: #7f8c8d;
      padding: 10px 15px;
      background-color: var(--light-gray);
      border-radius: 6px;
      margin-bottom: 25px;
      display: inline-block;
    }

    .news-list {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .news-item {
      padding: 20px;
      border-bottom: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: var(--transition);
    }

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

    .news-item:hover {
      padding-left: 25px;
      background-color: var(--primary-light);
      border-radius: 8px;
    }

    .news-info h4 {
      font-size: 1.1rem;
      color: var(--dark);
      margin-bottom: 6px;
    }

    .news-info p {
      font-size: 0.88rem;
      color: #7f8c8d;
    }

    .news-link {
      color: var(--primary);
      font-weight: 600;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    /* 联系我们 */
    .contact-section {
      background-color: #fff;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 1.8fr;
      gap: 50px;
    }

    .contact-info-panel {
      background-color: var(--light-gray);
      border-radius: 12px;
      padding: 40px 30px;
      border: 1px solid var(--border);
    }

    .contact-meta-item {
      margin-bottom: 25px;
    }

    .contact-meta-item:last-child {
      margin-bottom: 0;
    }

    .contact-meta-label {
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: #95a5a6;
      margin-bottom: 5px;
    }

    .contact-meta-value {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark);
    }

    .contact-social {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 30px;
    }

    .social-card {
      background-color: #fff;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 15px;
      text-align: center;
    }

    .social-card img {
      max-width: 100px;
      height: auto;
      margin-bottom: 8px;
    }

    .social-name {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--dark);
    }

    /* 页脚 */
    footer {
      background-color: var(--dark);
      color: #a0aec0;
      padding: 60px 0 30px 0;
      border-top: 1px solid #1a202c;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 3.5fr;
      gap: 50px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      color: #fff;
      font-size: 1.3rem;
      margin-bottom: 15px;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.6;
    }

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

    .footer-links-col h5 {
      color: #fff;
      font-size: 1rem;
      margin-bottom: 20px;
      font-weight: 600;
    }

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

    .footer-links-col ul li {
      margin-bottom: 12px;
    }

    .footer-links-col ul li a {
      font-size: 0.9rem;
      color: #a0aec0;
    }

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

    .friendship-links {
      border-top: 1px solid #4a5568;
      padding-top: 25px;
      margin-top: 25px;
    }

    .friendship-links h6 {
      color: #fff;
      margin-bottom: 12px;
      font-size: 0.88rem;
    }

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

    .friendship-links-list a {
      font-size: 0.85rem;
      color: #a0aec0;
    }

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

    .footer-bottom {
      border-top: 1px solid #4a5568;
      padding-top: 25px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
      font-size: 0.85rem;
    }

    /* 浮动组件 */
    .float-widget {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background-color: #fff;
      border: 1px solid var(--border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      transition: var(--transition);
      font-size: 1.2rem;
      position: relative;
    }

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

    .float-kefu-pop {
      position: absolute;
      bottom: 60px;
      right: 0;
      background-color: #fff;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 15px;
      width: 180px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.1);
      display: none;
      text-align: center;
    }

    .float-kefu-pop img {
      width: 120px;
      height: 120px;
      margin-bottom: 8px;
    }

    .float-kefu-pop p {
      font-size: 0.8rem;
      color: var(--dark);
      font-weight: 700;
    }

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

    /* 响应式适配 */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .solutions-grid { grid-template-columns: repeat(2, 1fr); }
      .workflow-timeline { grid-template-columns: repeat(2, 1fr); }
      .evaluation-grid { grid-template-columns: 1fr; }
      .training-grid { grid-template-columns: repeat(2, 1fr); }
      .cases-grid { grid-template-columns: repeat(2, 1fr); }
      .comments-grid { grid-template-columns: repeat(2, 1fr); }
      .faq-grid { grid-template-columns: 1fr; }
      .matching-container { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #fff;
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 20px;
        gap: 10px;
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .hero-title { font-size: 1.8rem; }
      .about-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr; }
      .service-grid { grid-template-columns: 1fr; }
      .solutions-grid { grid-template-columns: 1fr; }
      .workflow-timeline { grid-template-columns: 1fr; }
      .training-grid { grid-template-columns: 1fr; }
      .cases-grid { grid-template-columns: 1fr; }
      .comments-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-links-group { grid-template-columns: 1fr; }
      .contact-social { grid-template-columns: 1fr; }
    }