.home-service .service-item::before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.4)}
@media (min-width:769px){.home-cate .homecate-list{justify-content:space-between}
.home-cate .homecate-list li{width:49%;margin-right:0;}}