#alert_window{position:absolute;z-index:100;top:0;left:0;width:100%;height:auto;background:url(../images/ad/bg.png) center top repeat;}
.alert_window{position:fixed;top:50%;left:50%;margin-left:-422px;margin-top:-238px;width:844px;height:476px;text-align:left;overflow:hidden;background:url(../images/ad/p01_160425.png) center top no-repeat;}
.rel{position:relative;top:0;left:0;width:100%;}
.ac{position:absolute;top:21px;right:20px;}
.alert_close{width:26px;height:25px;overflow:hidden;background:url(../images/ad/c01_160425.png) center top no-repeat;}
.alert_close:hover,.btns:hover{background-position:center bottom;}
.btns{width:318px;height:82px;overflow:hidden;background:url(../images/ad/btn_cy_160425.png) center top no-repeat;}
.bpos{margin:266px auto 0 450px;}