.indexBox{position:relative;width:7.5rem;height:13.34rem;background:url(../img/indexbg.c3b70d31.jpg) no-repeat;background-size:100% 100%}.indexBtn{position:absolute;top:7.1rem;left:2.05rem;width:3.22rem;height:.97rem;background:url(../img/indexbtn.f25b51e4.jpg) no-repeat;background-size:100% 100%}