.body .article{background-color:white;overflow:auto;}
.body .article .left{width:672px;float:left;padding-left:39px;}
.body .article .right{width:250px;float:right;padding-top:15px;}
.article .head h1{font-size:24px;margin:30px auto 20px auto;text-align:center;}
.article .head{border-bottom:1px #DDDDDD solid;margin-bottom:20px;}

.body .announcement .left{width:90%;}
.announcement .head{margin-bottom:10px;}
.body .announcement .left .headdate{text-align:center;margin-bottom:20px;}