.banner{ width:100%; height:350px; position:relative; overflow:hidden; margin:0 auto;}

.banner *{ border:0; padding:0; margin:0;}

.banner .limg{ width:100%; height:350px; position:relative;}

.banner .limg li{ width:100%; height:350px; position:absolute; left:0; top:0;}

.banner .limg li img{ width:100%; height:350px; margin:0; padding:0px;}

.banner .nubbt{ line-height:18px; z-index:9; position:absolute;left:220px; bottom:12px; width:200px; height:18px;}

.banner .nubbt span{ font-size:12px; margin:0 0 0 5px; background:url(../images/tiao.png) no-repeat; _background:url(../images/tiao.gif) no-repeat; width:18px; height:18px; float:left; display:block; text-align:center; color:#000;}

.banner .nubbt span.on { color:#000; background:url(../images/bianhuan.png) no-repeat; _background:url(../images/bianhuan.gif) no-repeat; font-weight:bold;}

.head_neirong{ width:996px; height:195px; margin-left:auto; margin-right:auto; margin-top:10px;}

.head_neirong_left{ width:317px; height:195px; float:left;}

.head_neirong_center{ width:428px; height:195px; float:left; margin-left:13px;}

.head_neirong_right{ width:225px; height:195px; float:left; margin-left:13px;}