.promotion-layer{position:fixed;z-index:100000;left:10px;bottom:30px;width:320px;height:230px;display:flex;align-items:center;justify-content:center;visibility:hidden;opacity:0;transition:600ms;cursor:pointer}.promotion-layer.active{opacity:1;visibility:visible}.promotion-layer .closeBox{position:absolute;width:30px;height:30px;color:#777;right:-25px;top:-20px;border-radius:50%;display:flex;align-items:center;justify-content:center}