@charset "utf-8";
#tb{
	margin:auto;
}
#tb>thead>tr>th{
	border-bottom:1px solid #ddd;
	white-space:nowrap;
	font-size:14px;
	font-weight:bold;
	padding-bottom: 10px;
}
#tb>tbody>tr>td{
	border-bottom:1px dashed #ddd;
	white-space:nowrap;
	line-height:40px;
}
.tb_item{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	padding:0px;
}
.tb_miaoshu{
	
}