*{margin:0;padding:0;}
body{background:#9eb4cc url(../images/topdw.jpg) repeat-x;color:#333;font:11px Verdana, Geneva, Arial, Helvetica, sans-serif;margin:20px auto;}
h1{font-size:30px;}
h2{font-size:28px;}
h3{font-size:26px;}
h4{font-size:24px;}
h5{font-size:22px;}
h6{font-size:20px;}
img {border:0;}
p{margin:5px 0;line-height:18px;}
a{text-decoration:underline;}
a:link{color:#000;}
a:visited{color:#000;}
a:hover{color:#ff0;}
a:active{color:#000;}
.link_blue:link{color:#2B489B;}
.link_blue:visited{color:#2B489B;}
.link_blue:hover{color:#c00;}
.link_blue:active{color:#2B489B;}
.link_white{text-decoration:none;}
.link_white:link{color:#fff;}
.link_white:visited{color:#fff;}
.link_white:hover{color:#ff0;}
.link_white:active{color:#fff;}
.text_blue{color:#2b489b;}
.text_red{color:#bf0000;}
.clearet{clear:both;}
.ul_nostyle{list-style:none;}
.ul_nostyle li{line-height:24px;}
/*布局*/
.main{width:950px;height:auto;overflow:hidden;margin:0 auto;background:#fff url(../images/main_bg.png) repeat-y;}
.main_top{width:930px;height:120px;background:url(../images/header.jpg) no-repeat right 0;color:#fff;padding:0 10px;line-height:18px;font-size:12px;overflow:hidden;}
.cente_and_right_box{width:740px;height:auto;float:right;}
.main_center{width:580px;height:auto;overflow:hidden;padding:20px 10px;float:left;}
.main_left{width:210px;height:auto;overflow:hidden;float:left;padding:20px 0;}
.main_right{width:120px;height:auto;overflow:hidden;padding:20px 10px;float:right;}
.footer{width:930px;height:50px;background:url(../images/footer_bg.jpg) repeat-x;color:#fff;padding:10px;text-align:center;overflow:hidden;}
/*top*/
.main_top h1{line-height:30px;display:block;width:auto;height:auto;margin-top:20px;}
/*center*/
.main_center h2.text_blue{line-height:22px;font-size:15px;}
table{border:1px solid #ccc;border-collapse:collapse;width:578px;margin:10px 0;padding:0;}
table th,table td{border:1px solid #ccc;}
table th{line-height:30px;font-size:14px;background:#eee;}
.background_tr{background:#eee;}
table td{padding:5px;}
table td.grade{text-align:center;vertical-align:middle;font-size:22px;font-weight:bold;color:#000;}
table td.align{text-align:center;vertical-align:middle;}
table p{line-height:16px;margin:0;}
table a.link_blue{display:block;line-height:16px;text-align:center;width:auto;}
.img_link{display:block;text-decoration:underline;font-size:20px;font-weight:bold;}
.img_link:link{color:#00f;}
.img_link:visited{color:#00f;}
.img_link:hover{color:#c00;}
.img_link:active{color:#00f;}
/*left*/
.left_menu{margin-bottom:20px;}
.left_menu li{padding:0 10px;line-height:20px;font-size:11px;}
.left_menu li.menu_title{padding:0 2px;line-height:30px;background:#93B0FE;margin:0 5px;font-size:14px;font-weight:bold;color:#000;}
/*footer*/
.footer font{font-size:18px;}