.cptit em{display:block;height:2.2rem;font-size: 16px;color:#ae7c5c;}
        .cptit span{display:block;height:2rem;font-size: 1.8rem;color:#101828;}
        .cptit b{display:block;font-size: 4rem;color:#252c3d;font-weight: normal;}
        
    

    .cpbd{width:100%; overflow: hidden;
  box-sizing: border-box;
    /*display: flex;*/
    /*align-items: center;}*/
    .cpbd li{flex: 1;}
    .cpbd li img{width: 100%;display: block;}
    


       .bigImg dl{width:100%; overflow: hidden;
    height: 48rem;
  box-sizing: border-box;
    display: flex;
    align-items: center;}
    .bigImg dt{flex: 1;}
    .bigImg dt img{width: 100%;display: block;}