.wrapper {width:100%; margin-top:40px;}
#focus {width:100%; height:420px; overflow:hidden; position:relative;}
#focus ul { height:420px; position:absolute;}
#focus ul li{float:left; width:1920px; height:420px; position:relative; background:#F3EFE2;}
#focus ul li img{ }
#focus ul li div {position:absolute; overflow:hidden;}
#focus .leftbtn {position:absolute; width:100%; padding:5px 10px; right:0; bottom:0; text-align:center;}
#focus .btn {position:absolute; width:100%; height:10px; left:0px; right:0px; bottom:20px; text-align:center;}
#focus .btn span {display:inline-block; _display:inline; _zoom:1; width:60px; height:10px; _font-size:0; margin:0 2px; cursor:pointer; background:#fff;}
#focus .btn span.on {background:#E50112;}
#focus .preNext {width:45px; height:100px; position:absolute; top:160px; background:url(sprite.png) no-repeat 0 0; cursor:pointer;}
#focus .pre {left:50px;}
#focus .next {right:50px; background-position:right top;}