.navBox {
    width: 100%;
    height: 73px;
    background: #f7faf8;
  }
  
  .navList {
    width: 1200px;
    height: 73px;
  
    margin: auto;
    display: flex;
    align-items: center;
  }
  
  .navItem {
    margin-right: 50px;
    width: 64px;
    height: 16px;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
    cursor: pointer;
  }
  
  .navItem1 {
    margin-right: 50px;
    cursor: pointer;
    width: 64px;
    height: 16px;
    font-size: 16px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #00A462;
  }
  
  .navBottomLine {
    width: 28px;
    height: 3px;
    background: #00A462;
    margin: auto;
    margin-top: 10px;
  }

  .environmentItemImg {
    width: 276px;
    height: 180px;
    justify-content: flex-start;
    margin-bottom: 20px;

  }
  .environmentItem{
    width: 276px;
    height: 200px;
    margin-bottom: 60px;
  }
  .environmentWarp:nth-child(4){
      margin-right: 0;
  }
  .navItem {
    margin-right: 50px;
    width: 64px;
    height: 16px;
    font-size: 16px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #333333;
    cursor: pointer;
  }
  
  .environmentWarp {
    width: 1200px;
    margin: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 30px;
  }