/* 重置样式 */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8fafc;
    }
    
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.3s ease;
    }
    
    img {
      max-width: 100%;
      display: block;
    }
    
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }
    
    /* 头部样式 */
    .header {
      background: linear-gradient(135deg, #1eca86 0%, #1bdd8a 100%);
      padding: 15px 0;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    
    .logo {
      display: flex;
      align-items: center;
    }
    
    .logo img {
      height: 40px;
      margin-right: 10px;
    }
    
    .logo-text {
      color: white;
      font-size: 22px;
      font-weight: bold;
    }
    
    .nav-links {
      display: flex;
      gap: 25px;
    }
    
    .nav-links a {
      color: white;
      font-weight: 500;
      position: relative;
      padding: 5px 0;
    }
    
    .nav-links a:after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: white;
      transition: width 0.3s ease;
    }
    
    .nav-links a:hover:after {
      width: 100%;
    }
    
    /* 主横幅区域 */
    .hero {
      background: linear-gradient(to right, #f4f9ff, #f8fcff, #fbfdff);
      padding: 40px 0;
      border-bottom: 1px solid #edf5ff;
    }
    
    .hero-content {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
    }
    
    .hero-image {
      flex: 1;
      min-width: 300px;
      text-align: center;
      padding: 20px;
    }
    
    .hero-info {
      flex: 1;
      min-width: 300px;
      padding: 20px;
    }
    
    .hero-title {
      display: flex;
      align-items: center;
      margin-bottom: 20px;
    }
    
    .hero-title img {
      width: 64px;
      height: 64px;
      margin-right: 15px;
    }
    
    .hero-title h1 {
      font-size: 32px;
      color: #2c3e50;
      font-weight: 700;
    }
    
    .specs {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 15px;
      margin: 25px 0;
    }
    
    .spec-item {
      display: flex;
      align-items: center;
    }
    
    .spec-item dt {
      color: #666;
      margin-right: 8px;
    }
    
    .spec-item dd {
      font-weight: 500;
      color: #444;
    }
    
    .download-btn {
      display: inline-block;
      background: linear-gradient(135deg, #1eca86 0%, #1bdd8a 100%);
      color: white;
      padding: 15px 35px;
      border-radius: 50px;
      font-size: 18px;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(7, 205, 90, 0.3);
      transition: all 0.3s ease;
      margin-top: 20px;
    }
    
    .download-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(7, 205, 90, 0.4);
    }
    
    /* 功能区域 */
    .features {
      padding: 60px 0;
    }
    
    .section-title {
      text-align: center;
      margin-bottom: 40px;
      position: relative;
    }
    
    .section-title h2 {
      font-size: 32px;
      color: #2c3e50;
      font-weight: 700;
      margin-bottom: 15px;
    }
    
    .section-title:after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background: linear-gradient(to right, #1eca86, #1bdd8a);
      border-radius: 2px;
    }
    
    /* 功能卡片统一布局 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 25px;
    }
    
    .feature-card {
      background: white;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
      padding: 20px;
      display: flex;
      align-items: center;
      border: 1px solid #1eca86; /* 细边框 */
    }
    
    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
      border-color: #1bdd8a;
    }
    
    .feature-content {
      flex: 1;
    }
    
    .feature-name {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 8px;
      color: #2c3e50;
    }
    
    .feature-desc {
      color: #666;
      font-size: 14px;
      line-height: 1.5;
    }
    
    .feature-icon {
      width: 70px;
      height: 70px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f1f9f6;
      border-radius: 50%;
      flex-shrink: 0;
    }
    
    .feature-icon img {
      max-width: 40px;
      max-height: 40px;
    }
    
    /* 安全防护功能 - 图标在左侧 */
    .security-feature-card {
      flex-direction: row; /* 图标在左侧，文字在右侧 */
    }
    
    .security-feature-card .feature-content {
      padding-left: 20px;
    }
    
    /* 管理效率功能 - 图标在右侧，文字左对齐 */
    .manage-feature-card {
      flex-direction: row; /* 保持正常顺序 */
      justify-content: space-between; /* 将内容分散对齐 */
    }
    
    .manage-feature-card .feature-content {
      text-align: left; /* 确保文字左对齐 */
      padding-right: 20px; /* 右侧添加内边距 */
    }
    
    .manage-feature-card .feature-icon {
      order: 2; /* 图标放在右侧 */
    }
    
    /* 产品介绍 */
    .product-intro {
      background: linear-gradient(to bottom, #f4f9ff, #f8fcff);
      padding: 60px 0;
      border-top: 1px solid #edf5ff;
      border-bottom: 1px solid #edf5ff;
    }
    
    .intro-content {
      max-width: 1000px;
      margin: 0 auto;
      background: white;
      padding: 30px;
      border-radius: 12px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
      border: 1px solid #1eca86; /* 细边框 */
    }
    
    .intro-content p {
      margin-bottom: 15px;
      line-height: 1.8;
      color: #444;
      text-align: justify;
    }
    
    /* 底部区域 */
    .footer {
      background: white;
      color: #333;
      padding: 30px 0 15px;
      text-align: center;
      border-top: 1px solid #eaeaea;
    }
    
    .footer p {
      margin: 10px 0;
    }
    
    /* 响应式设计 */
    @media (max-width: 768px) {
      .hero-content {
        flex-direction: column;
      }
      
      .specs {
        grid-template-columns: 1fr;
      }
      
      .nav-links {
        display: none;
      }
      
      .hero-title h1 {
        font-size: 24px;
      }
      
      .section-title h2 {
        font-size: 26px;
      }
      
      .features-grid {
        grid-template-columns: 1fr;
      }
      
      .security-feature-card,
      .manage-feature-card {
        flex-direction: column;
        text-align: center;
      }
      
      .security-feature-card .feature-content,
      .manage-feature-card .feature-content {
        padding: 15px 0 0 0;
        text-align: center;
      }
      
      .manage-feature-card .feature-icon {
        order: 0; /* 在移动端恢复默认顺序 */
      }
    }