*{margin:0;padding:0;}
body{font-size:12px;font-family:Verdana,Arial,Helvetica,sans-serif;}
.clearfix:after{content: ".";display: block;height: 0;clear: both;visibility: hidden;}
.clearfix{zoom:1;}
ul,li{list-style:none;}
img{border:0;}
/* focus */
#focus{width:980px;height:370px;overflow:hidden;position:relative;}
#focus ul{height:370px;position:absolute;}
#focus ul li{float:left;width:980px;height:370px;overflow:hidden;position:relative;background:#000;}
#focus ul li div{position:absolute;overflow:hidden;}
#focus .btnBg{position:absolute;width:980px;height:0px;left:0;bottom:0;background:#000;}
#focus .btn{position:absolute;width:150px;height:10px;right:0;bottom:0;padding:20px;text-align:right;}
#focus .btn span{display:inline-block;_display:inline;_zoom:3;width:25px;height:10px;_font-size:0;margin-left:5px;cursor:pointer;background:#fff;}
#focus .btn span.on{background:#fff;}
#focus .preNext{width:45px;height:100px;position:absolute;top:120px;background:url(../img/sprite.png) no-repeat 0 0;cursor:pointer;}
#focus .pre{left:0;}
#focus .next{right:0;background-position:right top;}