@charset "utf-8";
img { border: 0px; }
.bannerbox { width: 1100px; height: 455px; overflow: hidden; margin: 0px auto;position:relative;z-index:1}
#focus { width: 1100px; height: 455px; clear: both; overflow: hidden; position: relative; float: left;z-index:-1}
    #focus ul { width: 1100px; height: 455px; float: left; position: absolute; clear: both; padding: 0px; margin: 0px;z-index:1 }
        #focus ul li { float: left; width: 1100px; height: 455px; overflow: hidden; position: relative; padding: 0px; margin: 0px; z-index:1}
    #focus .preNext { width: 100px; height: 455px; position: absolute; top: 0px; cursor: pointer; z-index:1}
    #focus .pre { left: 0; background: url(../image/sprite.png) no-repeat left center; z-index:1}
    #focus .next { right: 0; background: url(../image/sprite1.png) no-repeat right center; z-index:1 }