.ad_closed{width:16px;height:16px;line-height:16px;text-align:center;background:#f00;color:#fff;position:absolute;top:0;right:0;cursor:pointer;}

/*寮瑰嚭骞垮憡*/
#popup{position:fixed;top:50%;left:50%;z-index:9999;}
#ad_shadow{width:100%;background:#000;position:fixed;top:0;left:0;z-index:9000;opacity:0.4;filter:alpha(opacity=40);}

/*婕傛诞骞垮憡*/
#ad1{position:absolute;z-index:9999;}

/*宸︿晶闂ㄥ笜*/
#hangL{position:absolute;left:0;z-index:9999;}

/*鍙充晶闂ㄥ笜*/
#hangR{position:absolute;right:0;z-index:9999;}

/*鎷夊睆骞垮憡*/
#bigScreen{position:relative;left:50%;top:0;height:0;overflow:hidden;}
#bigScreen .ad_closed{top:10px;}