#float-menu p{margin:0;padding:0;}
#float-menu {bottom: 305px; left: 50%; margin-left: 552px; width:58px; position: fixed; text-align: left; z-index:1;display:none; _position: absolute; _top: expression(eval(document.documentElement.scrollTop+document.documentElement.clientHeight-305)
    );/*距底部200px*/
}
.change-nav { background: url("icons-sprites.png") no-repeat scroll 0 -70px transparent; display: block; height: 21px; overflow: hidden; text-indent: -99em; width: 58px; }
#list-nav { border-left:1px solid #dcdcdc; border-right:1px solid #dcdcdc; height:105px; display:none; }
#list-nav li { color: #888888; display: block;font-size:12px; height: 21px; line-height: 21px; text-align: center; width: 56px; }
#list-nav a:hover { background:#303030; color:#fff; line-height: 21px; text-decoration:none; }
.btn-to-top { background: url("icons-sprites.png") no-repeat scroll -155px -70px transparent; display: block; height: 34px; overflow: hidden; text-indent: -99em; width: 58px; }
a.btn-to-top:hover { background: url("icons-sprites.png") no-repeat scroll -235px -70px transparent; }
a.change-nav:hover { background: url("icons-sprites.png") no-repeat scroll -80px -70px transparent; }