/* 全局重置与基础样式 */
    :root {
      --primary-color: #FF6A00;
      --primary-hover: #E55B00;
      --secondary-color: #FF4500;
      --dark-color: #1E2022;
      --light-bg: #F9FAFB;
      --card-bg: #FFFFFF;
      --text-main: #2C3E50;
      --text-muted: #7F8C8D;
      --border-color: #ECEFF1;
      --max-width: 1200px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--light-bg);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.3s ease;
    }

    ul, ol {
      list-style: none;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* 通用容器与排版 */
    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 20px;
    }

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

    section.bg-light {
      background-color: var(--light-bg);
    }

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

    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-color);
      background-color: rgba(255, 106, 0, 0.1);
      border-radius: 50px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--dark-color);
      margin-bottom: 16px;
    }

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

    /* 按钮样式 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 8px;
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
      color: #FFFFFF !important;
      box-shadow: 0 4px 15px rgba(255, 106, 0, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 106, 0, 0.4);
    }

    .btn-secondary {
      background-color: #FFFFFF;
      color: var(--dark-color) !important;
      border: 1px solid var(--border-color);
    }

    .btn-secondary:hover {
      background-color: var(--light-bg);
      border-color: var(--primary-color);
      color: var(--primary-color) !important;
    }

    /* 顶部导航 */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

    .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 {
      height: 40px;
      width: auto;
    }

    .nav-menu {
      display: flex;
      gap: 24px;
    }

    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-main);
    }

    .nav-link:hover {
      color: var(--primary-color);
    }

    .nav-btn-group {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    /* 移动端菜单按钮 */
    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 24px;
      height: 18px;
      cursor: pointer;
    }

    .menu-toggle span {
      display: block;
      height: 3px;
      width: 100%;
      background-color: var(--dark-color);
      border-radius: 3px;
      transition: all 0.3s ease;
    }

    /* Hero 首屏 - 严格无图片 */
    .hero-section {
      background: radial-gradient(circle at top right, rgba(255, 106, 0, 0.08) 0%, rgba(255, 255, 255, 0) 60%), linear-gradient(180deg, #FFFFFF 0%, var(--light-bg) 100%);
      padding: 100px 0 80px;
      text-align: center;
      border-bottom: 1px solid var(--border-color);
    }

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

    .hero-badge {
      display: inline-block;
      padding: 8px 18px;
      background: rgba(255, 106, 0, 0.08);
      border: 1px solid rgba(255, 106, 0, 0.2);
      border-radius: 50px;
      color: var(--primary-color);
      font-weight: 600;
      font-size: 0.9rem;
      margin-bottom: 25px;
    }

    .hero-title {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--dark-color);
      margin-bottom: 24px;
    }

    .hero-title span {
      background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.25rem;
      color: var(--text-muted);
      margin-bottom: 40px;
      line-height: 1.8;
    }

    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 60px;
    }

    /* 数据指标卡片 */
    .hero-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      margin-top: 40px;
    }

    .stat-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 24px;
      border-radius: 12px;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
      border-color: rgba(255, 106, 0, 0.3);
    }

    .stat-number {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 5px;
    }

    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 关于我们 - 平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
    }

    .about-content h3 {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 20px;
      color: var(--dark-color);
    }

    .about-content p {
      color: var(--text-main);
      font-size: 1.05rem;
      margin-bottom: 20px;
      text-align: justify;
    }

    .about-features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 30px;
    }

    .about-feature-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .about-feature-icon {
      color: var(--primary-color);
      font-size: 1.2rem;
      font-weight: bold;
    }

    .about-feature-text h4 {
      font-size: 1rem;
      font-weight: 600;
      color: var(--dark-color);
      margin-bottom: 5px;
    }

    .about-feature-text p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 0;
    }

    .about-visual {
      background: linear-gradient(135deg, rgba(255, 106, 0, 0.05) 0%, rgba(255, 69, 0, 0.05) 100%);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 40px;
      text-align: center;
    }

    .visual-highlight {
      font-size: 3.5rem;
      font-weight: 800;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    /* AIGC 服务能力卡片 */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .service-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background-color: var(--primary-color);
      transform: scaleY(0);
      transform-origin: bottom;
      transition: transform 0.3s ease;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.05);
      border-color: rgba(255, 106, 0, 0.2);
    }

    .service-card:hover::before {
      transform: scaleY(1);
    }

    .service-icon {
      width: 50px;
      height: 50px;
      background-color: rgba(255, 106, 0, 0.08);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--primary-color);
      font-size: 1.5rem;
    }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--dark-color);
    }

    .service-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 15px;
    }

    /* 一站式制作 - 标签云 */
    .one-stop-container {
      text-align: center;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
      max-width: 900px;
      margin: 30px auto 0;
    }

    .tag-item {
      padding: 8px 18px;
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 50px;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-main);
      transition: all 0.3s ease;
    }

    .tag-item:hover {
      background-color: var(--primary-color);
      color: #FFFFFF;
      border-color: var(--primary-color);
      transform: scale(1.05);
    }

    /* 行业解决方案 & 全国服务网络 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .solution-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      text-align: center;
    }

    .solution-card h3 {
      margin-bottom: 15px;
      color: var(--dark-color);
    }

    .network-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

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

    .network-item {
      background: #FFFFFF;
      padding: 15px;
      border-radius: 8px;
      border-left: 3px solid var(--primary-color);
    }

    /* 标准化流程 - 时间线 */
    .process-timeline {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }

    .process-timeline::before {
      content: '';
      position: absolute;
      left: 50%;
      top: 0;
      bottom: 0;
      width: 2px;
      background-color: var(--border-color);
      transform: translateX(-50%);
    }

    .timeline-item {
      position: relative;
      margin-bottom: 40px;
      width: 50%;
      padding: 0 40px;
    }

    .timeline-item:nth-child(odd) {
      left: 0;
      text-align: right;
    }

    .timeline-item:nth-child(even) {
      left: 50%;
      text-align: left;
    }

    .timeline-badge {
      position: absolute;
      top: 0;
      width: 30px;
      height: 30px;
      background-color: var(--primary-color);
      border: 4px solid #FFFFFF;
      border-radius: 50%;
      z-index: 1;
    }

    .timeline-item:nth-child(odd) .timeline-badge {
      right: -15px;
    }

    .timeline-item:nth-child(even) .timeline-badge {
      left: -15px;
    }

    .timeline-content {
      background-color: #FFFFFF;
      padding: 20px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    }

    .timeline-content h4 {
      color: var(--dark-color);
      margin-bottom: 8px;
    }

    /* 客户案例中心 */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .case-card {
      background-color: #FFFFFF;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      transition: all 0.3s ease;
    }

    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }

    .case-img-wrap {
      overflow: hidden;
      aspect-ratio: 16/10;
    }

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

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

    .case-info {
      padding: 20px;
    }

    .case-info h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark-color);
      margin-bottom: 8px;
    }

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

    /* 对比评测 */
    .comparison-section {
      background-color: var(--light-bg);
    }

    .rating-summary {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 40px;
      margin-bottom: 40px;
      background-color: #FFFFFF;
      padding: 30px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .rating-score {
      font-size: 3.5rem;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1;
    }

    .rating-stars {
      color: #FFB300;
      font-size: 1.8rem;
    }

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

    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 800px;
    }

    .comparison-table th, .comparison-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }

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

    .comparison-table tr:hover {
      background-color: rgba(255, 106, 0, 0.02);
    }

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

    /* 智能需求匹配与表单 */
    .form-container {
      max-width: 650px;
      margin: 0 auto;
      background-color: #FFFFFF;
      padding: 40px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
      box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    }

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

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

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      outline: none;
      transition: all 0.3s ease;
      font-size: 0.95rem;
    }

    .form-control:focus {
      border-color: var(--primary-color);
      box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.1);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 120px;
    }

    /* Token比价与价格参考 */
    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .price-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      text-align: center;
      position: relative;
    }

    .price-card.featured {
      border-color: var(--primary-color);
      box-shadow: 0 8px 20px rgba(255, 106, 0, 0.08);
    }

    .price-badge {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--primary-color);
      color: #FFFFFF;
      padding: 4px 12px;
      font-size: 0.8rem;
      border-radius: 50px;
      font-weight: bold;
    }

    .price-amount {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--dark-color);
      margin: 20px 0;
    }

    .price-amount span {
      font-size: 1rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    /* 职业培训与人工智能培训 */
    .training-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .training-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
    }

    .training-card h3 {
      font-size: 1.4rem;
      color: var(--dark-color);
      margin-bottom: 20px;
      border-bottom: 2px solid var(--primary-color);
      padding-bottom: 10px;
      display: inline-block;
    }

    .training-list li {
      margin-bottom: 12px;
      padding-left: 20px;
      position: relative;
    }

    .training-list li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--primary-color);
      font-weight: bold;
    }

    /* 帮助中心 & 常见用户问题 FAQ */
    .faq-accordion {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-header {
      padding: 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      color: var(--dark-color);
      background-color: #FFFFFF;
      transition: background-color 0.3s ease;
    }

    .faq-header:hover {
      background-color: rgba(255, 106, 0, 0.02);
    }

    .faq-icon {
      transition: transform 0.3s ease;
      font-weight: bold;
    }

    .faq-content {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s cubic-bezier(0, 1, 0, 1);
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .faq-item.active .faq-content {
      padding: 0 20px 20px;
      max-height: 1000px;
    }

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

    /* AI术语百科 & 行业资讯 / 知识库 */
    .wiki-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 40px;
    }

    .wiki-tag {
      background-color: #FFFFFF;
      padding: 6px 12px;
      border-radius: 4px;
      font-size: 0.85rem;
      border: 1px solid var(--border-color);
    }

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

    .news-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
    }

    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--dark-color);
      margin-bottom: 12px;
    }

    .news-link {
      font-size: 0.9rem;
      color: var(--primary-color);
      font-weight: 600;
    }

    /* 客户评论卡片 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .review-card {
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 30px;
      box-shadow: 0 4px 6px rgba(0,0,0,0.01);
      position: relative;
    }

    .review-text {
      font-style: italic;
      color: var(--text-main);
      margin-bottom: 20px;
      font-size: 0.95rem;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .author-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark-color);
    }

    .author-info p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 联系我们 & 加盟代理 */
    .contact-container {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 50px;
    }

    .contact-info-wrap {
      display: flex;
      flex-direction: column;
      gap: 30px;
    }

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

    .contact-method-icon {
      font-size: 1.5rem;
      color: var(--primary-color);
    }

    .contact-method-text h4 {
      font-size: 1.1rem;
      color: var(--dark-color);
      margin-bottom: 5px;
    }

    .contact-method-text p {
      color: var(--text-muted);
    }

    .contact-social-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

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

    .social-card img {
      width: 100px;
      height: 100px;
      margin: 10px auto 0;
      object-fit: cover;
    }

    /* 浮动客服入口 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 999;
      background-color: var(--primary-color);
      color: #FFFFFF;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 15px rgba(255, 106, 0, 0.4);
      cursor: pointer;
      font-size: 1.5rem;
      transition: all 0.3s ease;
    }

    .float-kefu:hover {
      transform: scale(1.1);
      background-color: var(--primary-hover);
    }

    .kefu-panel {
      position: fixed;
      right: 90px;
      bottom: 20px;
      z-index: 999;
      background-color: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.1);
      display: none;
      width: 260px;
      text-align: center;
    }

    .kefu-panel img {
      width: 150px;
      height: 150px;
      margin: 10px auto;
    }

    .kefu-panel.active {
      display: block;
    }

    /* 页脚 */
    footer {
      background-color: var(--dark-color);
      color: #FFFFFF;
      padding: 60px 0 20px;
    }

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

    .footer-brand p {
      color: #94A3B8;
      margin-top: 15px;
      font-size: 0.9rem;
    }

    .footer-links h4 {
      font-size: 1.1rem;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }

    .footer-links h4::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 30px;
      height: 2px;
      background-color: var(--primary-color);
    }

    .footer-links ul {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
    }

    .footer-links a {
      color: #94A3B8;
      font-size: 0.9rem;
    }

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

    .footer-friend-links h4 {
      font-size: 1.1rem;
      margin-bottom: 20px;
    }

    .footer-friend-links div {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-friend-links a {
      font-size: 0.85rem;
      color: #94A3B8;
      background-color: rgba(255,255,255,0.05);
      padding: 6px 12px;
      border-radius: 4px;
      transition: all 0.3s ease;
    }

    .footer-friend-links a:hover {
      background-color: var(--primary-color);
      color: #FFFFFF;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #94A3B8;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .services-grid, .solutions-grid, .cases-grid, .reviews-grid, .price-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stats {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .network-container, .contact-container, .footer-top {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: #FFFFFF;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .nav-btn-group {
        display: none;
      }
      .services-grid, .solutions-grid, .cases-grid, .reviews-grid, .price-grid, .news-grid, .training-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats {
        grid-template-columns: 1fr;
      }
      .timeline-item {
        width: 100%;
        left: 0 !important;
        text-align: left !important;
        padding-left: 30px;
      }
      .process-timeline::before {
        left: 15px;
      }
      .timeline-badge {
        left: 0 !important;
      }
    }