*{margin:0;padding:0;list-style:none;text-decoration:none;font-size:14px;}
body{background:#fff;}
img{ border:none;}
a{font-size:14px;}
.clearer{clear:both;}
.more{float:right;font-size:12px;}
.more a:hover{text-decoration:underline;}

.tydhbg{ background:#fff url(../image/tydhbodybg.jpg) left top repeat-x;}
.tydhbox{ width:1002px;margin:0 auto;}

.topbox{ width:1002px; height:402px;}

.mainsjtyst_center{background:url(../image/main_concbg.jpg) repeat-y;width:1002px;}

.tyj_conbg{background:url(../image/tyj_conbg.jpg) no-repeat;padding:19px 22px;}

.navbox{ width:1002px; height:42px;}