.pic_list{width:100%;}
.pic_list ul{overflow:hidden;margin-left:-15px;margin-right:-15px;}
.pic_list ul li{width:33.33333%;padding:0 15px;box-sizing:border-box;margin-bottom:20px;float:left;}
.pic_list ul li a{display:block;width:100%;}
.pic_list ul li .pic{width:100%;height:0;padding-bottom:70%;position:relative;overflow:hidden;}
.pic_list ul li .pic .image{width: 100%;height: 100%;position: absolute;left: 0;top:0;background-position:center;background-size:cover;}
.pic_list ul li p{font-size:16px;text-align:center;width:100%;line-height:30px;margin-top:5px;box-sizing:border-box;}