.ProductList_b2 ul li{float: left;width: 22.75%;margin-right: 3%;text-align: center;margin-bottom: 25px;}
.ProductList_b2 ul li:nth-child(4n){margin-right: 0;}
.ProductList_b2 ul li h3{color: #666666;font-size: 18px;margin-top: 1vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display: block;}
.ProductList_b2 ul li .picimg{position: relative;background-color: #fff;height: 16vw;display: block;overflow: hidden;}
.ProductList_b2 ul li img{display: block;max-width: 95%;max-height: 95%; width: auto;position: absolute;top: 50%;left: 50%;
    transform:translate(-50%, -50%);-webkit-transform:translate(-50%, -50%);}
.ProductList_b2 ul li span{display: none;}
@media screen and (min-width: 1250px) {
    .ProductList_b2 ul li a:hover{color: #e5ba74;}
}
@media screen and (max-width: 1024px){
    .ProductList_b2 ul li h3{font-size: 16px;margin-top: 15px ;}
    .ProductList_b2 ul li{float: left;width: 31.3%;margin-right: 3.05%;margin-bottom: 15px;}
    .ProductList_b2 ul li:nth-child(4n){margin-right: 3.05%;}
    .ProductList_b2 ul li:nth-child(3n){margin-right: 0;}
    .ProductList_b2 ul li .picimg{height: 24vw;}
}
@media screen and (max-width: 640px){
    .ProductList_b2 {margin-top: 30px;}
    .ProductList_b2 ul li{width: 48.5%;margin-right: 3%;margin-bottom: 10px;}
    .ProductList_b2 ul li:nth-child(3n){margin-right: 3%;}
    .ProductList_b2 ul li:nth-child(2n){margin-right: 0;}
    .ProductList_b2 ul li h3{font-size: 3.8vw;margin-top: 5px;}
    .ProductList_b2 ul li .picimg{height: 40vw;}
}