.dt{
    width: 1200px;
    height:420px;
    background-color:#ffffff;
    margin:0 auto;
    padding-top:60px;
}
.xx{

    width: 1200px;
    height:40px;
    background-color:#ffffff;
    margin:0 auto;
    border-bottom: 1px dashed;
}
.jcxx{
    width: 1200px;
    height:300px;
    margin:0 auto;
    padding-top:20px;
}
.leftt{
    width: 25%;
    height:250px;
    float:left;
    margin-top:70px; 
    line-height:40px;
    font-size:16px;
}
.rightt{
    width: 40%;
    height:260px;
    float:left;
    margin-top:30px;
   
}
.right-1{
    width: 40%;
    height:260px;
    float:left;
}
.right-2{
    width: 40%;
    height:260px;
    
    float:left;
    margin-left:40px;

}
.ewmm{
    width: 170px;
    height:170px;
    background-color:#ffffff;
    border: solid 1px  #c0c0c0;
}
.ewml{
    width: 140px;
    height:140px;
    background-color:#e2e2e2;
    margin-left:15px;
    position: relative;
    top:15px;


}
.ewml img{

    width: 140px;
    height:140px;
}
.ss{
    width: 170px;
    height:60px;
   
    margin-top:20px;
    text-align:center;
}
.ssp{
    font-size:16px;
    line-height:32px;
    color:#4e4e4e;
}