.product-ul{
	width: 100%;
	
}
.product-ul>li{
	width: 375px;
	margin-bottom: 25px;
	height: 375px;
	overflow: hidden;
	float: left;
	margin-right: 39.5px;
}
.product-ul>li img{
	width: 375px;
	height: 209px;
	overflow: hidden;
}

.product-ul>li:nth-child(3n){
	margin-right: 0px;
}