#focus{width:900px; height:520px; margin:0 auto; overflow:hidden;}
#focus ul,li{list-style:none;margin:0;padding:0;}
#focus .img{border:0;}
#focus{width:900px;height:520px;overflow:hidden;position:relative;}
#focus ul{height:380px;position:absolute;}
#focus ul li{float:left;width:900px;height:520px;overflow:hidden;position:relative;background:#fff;}
#focus ul li div{position:absolute;overflow:hidden;}
#focus .preNext{width:45px;height:100px;position:absolute;top:200px;background:url(../images/sprite.png) no-repeat 0 0;cursor:pointer;}
#focus .pre{left:0;}
#focus .next{right:0;background-position:right top;}
#focus .mImageDesc{position:absolute; bottom:0; left:0; width:100%; height:38px; line-height:38px; background-color:#000000; opacity:0.8; filter:alpha(opacity=80); color:#ffffff; font-size:14px; padding-left:10px;}