.banner{
    width:100%;
    height:6rem;
}
.banner .swiper-slide a{
    display: block;
    width:100%;
    height:100%;
}
.banner .swiper-slide img{
    width: 100%;
    height: 100%;
    object-fit: cover;

}
.banner .swiper-slide a img{
    width:100%;
    height:100%;
    object-fit: cover;
}
.block{
    width:100%;
    padding:1.4rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.block .titlebox{
    width:12.5rem;
    display: flex;
    justify-content: space-between;
}
.block .title{
    font-size:.46rem;
    font-weight: bold;
    color:#333;
}
.block .desc{
    font-size:.18rem;
    color:#999;
}
.block .contain{
    width:12.5rem;
}
.nav{
    width:12.5rem;
    padding:0 2.3rem;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #E6E6E6;
}
.navbtn{
    height:.6rem;
    font-weight: bold;
    border-bottom:2px solid rgba(0,0,0,0);
}
.actbtn{
    color:#1C5DBF;
    border-bottom:2px solid #E6CA22;
}
.caselist{
    width:12.5rem;
    display: flex;
    /*justify-content: space-between;*/
    align-items: center;
    flex-wrap: wrap;
}
.caselist .item{
    display: block;
    width:3.8rem;
    margin-top:.5rem;
    border-bottom: 1px solid rgba(0,0,0,0);
    margin-right: 0.54rem;

}
.caselist >.item:nth-child(3n){
  margin-right: 0;
}
.caselist .item .img{
    width:100%;
    height:2.3rem;
    object-fit: cover;
}
.caselist .item .con{
    width:100%;
    height:.7rem;
    padding:0 .2rem;
}
.caselist .item .con .hover,.nohover{
    width:18px;
    height:12px;
    margin-left:5px;
}
.hover{
    display: none;
}
.nohover{
    display:block;
}
.jiazai{
    margin-top:.5rem;
    cursor: pointer;
}
@media (min-width: 1100px) {
    .jiazai:hover{
        color:#1C5DBF
    }
    .caselist .item:hover{
        border-bottom: 1px solid #E6CA22;
        box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.3);
    }
    .caselist .item:hover div{
        color:#1C5DBF
    }
    .caselist .item:hover .hover{
        display: block;
    }
    .caselist .item:hover .nohover{
        display: none;
    }
}
@media (max-width: 1100px) {
    .block{
        padding:.8rem .5rem;
    }
    .block .titlebox{
        width:100%;
        flex-wrap: wrap;
    }
    .block .desc {
        font-size: .28rem;
    }
    .block .contain{
        width:100%;
    }
    .nav{
        width:100%;
        padding:0;
        justify-content: space-around;
    }
    .navbtn {
        height: 1rem;
    }
    .caselist{
        width:100%;
    }
    .caselist .item{
        width:6.4rem;
      margin-right: 0.9rem;
    }
    .caselist .item .img{
        height:4rem;
    }
    .caselist .item .con{
        height:1.2rem;
    }
}
@media (max-width: 900px) {


}
@media (max-width: 800px) {
    .block{
        padding:.5rem;
    }
    .caselist{
        width:100%;
    }
    .caselist .item{
        width:4.3rem;
      margin-right: 0.55rem;
    }
    .caselist .item .img{
        height:3rem;
    }
    .caselist .item .con{
        height:1rem;
    }
}
@media (max-width: 640px) {
    .block{
        padding:.5rem .3rem;
    }
    .block .desc {
        font-size: .24rem;
    }
    .banner{
        height:3.6rem;
    }
  .caselist .item:nth-child(3n){
    margin-right: auto;
  }
    .caselist .item{
        width:3.3rem;
        margin-top: .3rem;
      margin-right: 0.3rem;
    }
  .caselist .item:nth-child(2n){
    margin-right: 0;
  }
  .caselist .item{
    width:3.3rem;
    margin-top: .3rem;
  }
    .caselist .item .img{
        height:2rem;
    }
    .caselist .item .con{
        height:.8rem;
    }
    .con .f3{
        display: none;
    }
}