@charset "utf-8";
img { border: 0px; }
.bannerbox { width: 275px; height: 185px; overflow: hidden; margin: 0px auto;  }
#focus { width: 275px; height: 185px; clear: both; overflow: hidden; position: relative; float: left; }
#focus img{ width: 275px; height: 185px; float:left;}
    #focus ul { width: 275px; height: 185px; float: left; position: absolute; clear: both; padding: 0px; margin: 0px; }
        #focus ul li { float: left; width: 275px; height: 185px; overflow: hidden; position: relative; padding: 0px; margin: 0px; }
    #focus .preNext { width: 275px; height: 185px; position: absolute; top: 0px; cursor: pointer; }