@charset "utf-8";
#tb{
	display:grid;
	grid-template-columns:auto;
	row-gap:20px;
	margin:auto;
	width:auto;
	height:auto;
	overflow:hidden;
	margin-top:20px;
	margin-bottom:20px;
}

.tb_tb{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	padding:20px;
	background-color:#fff;
}
a.tb_name{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	font-size:1.2rem;
	color:#3f48cc;
	border-bottom:1px solid #ddd;
	padding-bottom:10px;
}
.tb_date{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin-top:10px;
	margin-bottom:10px;
}
.tb_miaoshu{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	font-size:12px;
	line-height:1.6;
	color:#999;
}