/* .zs{
    margin-top: 50px;
}
.zs li{
    width: 260px;
    float: left;
    height: 317px;
    margin-left: 35px;
}
.zs li div{
    width: 260px;
    background-color: blue;
    height: 159px;
}
.zs li div div{
    width: 260px;
    height: 36px;
    background-color: black;
    position: relative;
    top: 123px;
    opacity: 0;
    transition-duration: 1s;
    font-size: 30px;
    text-align: center;
    line-height: 36px;
    color: white;
}
.zs li div:hover  div{
    opacity: 0.5;
}
.zs li p{
    text-align: center;
    color: black;
    font-size: 16px;
    margin-top: 15px;
}  */
.hyzs{
    
    margin-top: 80px ;
}
.hyzs li{
    display: block;
    float: left;
   margin: 0 25px;
}
.hyzs li p{
    margin-top: 10px;
}