.index-procate .list{border: none;}
.index-procate .list .item:hover a,.index-procate .list .item:nth-child(1) a{background:unset;color:unset}
.index-procate .list .item{opacity:.5}
.index-procate .list .item:hover,.index-procate .list .item:nth-child(1){opacity:1}