body,div,img{margin:0;padding:0}body{position:relative}img{display:block;width:100%}.hide{display:none}video{width:4.7rem;height:3.12rem;position:absolute;top:15.36rem;left:50%;margin-left:-2.35rem}a{display:block;width:2.63rem;height:.66rem;position:absolute;left:50%;margin-left:-1.315rem}a.qiang{top:11.73rem}a.action{bottom:10.31rem}a.buy{width:4.16rem;bottom:.72rem;margin-left:-2.08rem}