.qiqi-game-center .top .img-box{background:url(../img/bg.f9ace0a8.jpg) 50%/100% no-repeat}.qiqi-game-center .top .img-box img:nth-child(2){margin-top:.4rem}.qiqi-game-center .top .img-box img:nth-child(3){width:5.22rem}