/**组件样式*/
.list-ld .ul_pic li {
  float: left;
  width: 33.3%;}
.list-ld .ul_pic li .pic {
  padding-top: 72%;}
@media screen and (max-width:1024px) {
.list-ld .ul_pic li {
    width: 50%;}
}
@media screen and (max-width:768px) {
.list-ld .ul_pic li {
    width: 100%;}
}