.div-banner .div-banner-div a {
    
    width: 34%;
      
      height: 100%;
display: block;
    
  }
  .one{
background-image: url(https://cdn2.zcqtz.com/static/index/img/top-banner1.png);

background-size: contain;
background-repeat: no-repeat;
  }
  .two{
background-image: url(https://cdn2.zcqtz.com/static/index/img/top-banner2\ .png);
background-size: contain;
background-repeat: no-repeat;
  }
  .three{
background-image: url(https://cdn2.zcqtz.com/static/index/img/top-banner3.png);

background-size: contain;
background-repeat: no-repeat;
  }
  .div-banner .div-banner-div{
  width: 100%;    
  height: 11.88rem;
  display: flex;
}
.div-banner{
  width: 68%;
  margin: auto;
}
.div-banner .div-banner-div a img{
  width: 100%;
  height: 100%;
}
  
  @media screen and (max-width: 768px) {
    
    .div-banner .div-banner-div {
      width: 100%;
      height: 3rem;
      display: flex;
  }
      .div-banner{
        width: 91%;
        margin: auto;
        margin-top: 1rem;
      }
  }