@media (min-width:901px){.common-main .pro-cate li{width: 23.5%;margin-right:2%;}
.common-main .pro-cate li:nth-child(4n){margin-right:0;}}
.popup-mask{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.7);display:flex;align-items:center;justify-content:center;z-index:99999999}
.popup-mask img{max-width:90%;max-height:90%;border-radius:8px;box-shadow:0 0 20px rgba(0,0,0,0.8)}