/* 全局样式 */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: "Microsoft YaHei", sans-serif;
      background-color: #f5f5f5;
      color: #333;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    /* 头部导航栏 */
    header {
      background-color: white;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 0;
    }

    .logo {
      font-size: 24px;
      font-weight: bold;
      color: #333;
    }

    .logo span {
      color: #0066cc;
    }

    .nav-links {
      display: flex;
      gap: 40px;
    }

    .nav-links a {
      font-size: 16px;
      font-weight: 500;
    }

    /* 主要内容区域 */
    .main-banner {
      background-color: #5cb8d9;
      color: white;
      padding: 60px 0;
      text-align: left;
    }

    .banner-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 40px;
    }

    .banner-text {
      flex: 1;
    }

    .banner-text h1 {
      font-size: 36px;
      margin-bottom: 10px;
    }

    .banner-text p {
      font-size: 16px;
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .follow-link {
      color: #ccc;
      font-size: 16px;
      cursor: pointer;
      transition: color 0.3s;
    }

    .follow-link:hover {
      color: #fff;
    }

    .qr-code-container {
      display: flex;
      gap: 40px;
      flex: 1;
      justify-content: center;
    }

    .qr-code {
      text-align: center;
    }

    .qr-code img {
      width: 250px;
      height: 250px;
      border: 1px solid #fff;
    }

    .qr-code p {
      margin-top: 10px;
      font-size: 20px;
      color: white;
    }

    /* 中间信息区 */
    .info-section {
      background-color: white;
      padding: 40px 0;
      border-bottom: 1px solid #eaeaea;
    }

    .info-container {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 40px;
    }

    .info-left {
      flex: 2;
    }

    .info-left h2 {
      font-size: 22px;
      margin-bottom: 10px;
    }

    .info-left p {
      font-size: 16px;
      color: #666;
      margin-bottom: 20px;
    }

    .info-right {
      flex: 1;
      padding-top: 10px;
    }

    .info-right h3 {
      font-size: 18px;
      margin-bottom: 10px;
    }

    .info-right p {
      font-size: 14px;
      color: #666;
    }

    /* 功能模块区 */
    .features-section {
      padding: 60px 0;
    }

    .features-title {
      text-align: center;
      font-size: 20px;
      margin-bottom: 40px;
    }

    .features-container {
      display: flex;
      justify-content: space-around;
      align-items: center;
      gap: 40px;
    }

    .feature-item {
      text-align: center;
      flex: 1;
    }

    .feature-icon {
      width: 120px;
      height: 120px;
      background-color: #ddd;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 20px;
    }

    .feature-icon svg {
      width: 50px;
      height: 50px;
      fill: #999;
    }

    .feature-item h3 {
      font-size: 18px;
      margin-bottom: 10px;
    }

    .feature-item p {
      font-size: 14px;
      color: #666;
      line-height: 1.6;
    }

    /* 响应式调整 */
    @media (max-width: 768px) {
      .banner-content {
        flex-direction: column;
        text-align: center;
      }

      .qr-code-container {
        flex-direction: column;
        align-items: center;
      }

      .info-container {
        flex-direction: column;
      }

      .info-right {
        margin-top: 20px;
      }

      .features-container {
        flex-direction: column;
        gap: 30px;
      }
    }