.caidan{
	background:url(cxy_r3_c2.jpg) repeat-x center top;
	height:42px;
	line-height:42px;
	margin:0 auto;
	width: auto;}
#nav{
	background:url(nav_1.jpg) repeat-x center;
	width:1000px;
	margin:0 auto;
	height:42px;}
#nav ul{
	display:block;
	width:950px;
	margin:0 auto;
	height:42px;}	
#nav li{
	font-size:14px;
	color:#fff;
	font-weight:bold;
	text-align:center;
	display:block;
	float:left;}
#nav li a{
	font-size:14px;
	color:#fff;
	font-weight:100;
	text-align:center;
	display:block;
	float:left;
	width:115px;}
#nav li a:hover{
	color: #fff;
	background:#5FBFE7;}