.piaofu{ position:absolute; left:0; top:0; z-index:9999; width:100px; height:300px;}
.close{ position:absolute; right:0; top:0; width:20px; height:20px; line-height:20px; text-align:center; color:#fff; font-weight:bold; font-size:16px; cursor:pointer; background:#2d465f;}