.circle_nav{background:url(../image/nav_bk1.gif) no-repeat; width:990px; height:40px; margin:0 auto; margin-top:5px; text-align:center;}
.circle_btn{ margin-left:150px;}
.login_nav{padding-bottom:5px;font-size:14px;}
.circle_nav ul{margin:0 auto; text-align:left; width:690px;}
.circle_nav li{float:left; margin-right:10px; padding-bottom:5px; list-style:none; line-height:43px; color:#003399;}
.circle_nav a{font-size:14px; color:#003399; text-decoration:none;}
.circle_nav a:hover{color:#FF3333; text-decoration:underline;}
a.circle_a1{  float:left;background:url(../image/circle4.gif) no-repeat left; width:90px; text-align:left; text-indent:20px;}
a:hover.circle_a1{background:url(../image/circle5.gif) no-repeat left; width:90px; text-align:left;}
.pop{position:absolute;left:30%;top:14%;width:312px;height:100px;background:#eee;border:1px solid #ccc; font-size:12px; z-index:1000;} 
.pop_head{position:relative;height:20px;background:#ccc} 
.pop_head a{position:absolute;right:8px;line-height:20px;color:#000;text-decoration:none;} 
.pop_head a:hover{color:#f60;text-decoration:none;} 
.pop_body{padding:8px;}