#show{width:100%; height:100%; position:fixed; background:rgba(0,0,0,0.5); z-index:999; left:0; top:0; display:none}
#tangchuang{width:1000px; height:610px; z-index:1000; position:relative; margin:1% auto 0; background:#fff}
#tangchuang #close{width:30px; height:30px; right:-16px; top:-16px; background:url(../images/close.png) no-repeat center; position:absolute; cursor:pointer}
#stitle{color:#fff; height:35px; background:#a40000; line-height:35px; text-indent:20px; font-weight:bold; font-size:14px}