#flashs{ position:relative;width:100%;height:521px;margin:0 auto; overflow:hidden;z-index:2;text-align:left;top:100px;}
#flashs .bgitem{  z-index:1;position:absolute; top:0; }
#flashs .btn{ position:absolute; z-index:7; bottom:25px; left:50%; margin-right:-450px; padding:5px 6px;}
#flashs .btn span{ color:#F98904;  background:#fff; border:1px solid #FF4D4D; cursor: pointer;display: inline-block;margin-left: 5px;padding:2px 6px;}
#flashs .btn span.cur{ background:#FF7300; color:#fff;}