@charset "utf-8";
#tb{
	display:grid;
	grid-template-columns:auto;
	row-gap:20px;
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	padding:20px;
}
a.tb_tb{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	border:1px solid #ddd;
	padding:20px;
}
a.tb_tb:hover{
	box-shadow:0px 0px 15px 0px rgba(0,0,0,0.3);
}
.tb_name{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	font-size:1.5rem;
	color:#18729e;
	font-weight:400;
}
.tb_date{
	display:block;
	width:auto;
	height:auto;
	overflow:hidden;
	margin-top:10px;
	margin-bottom:10px;
}
.tb_miaoshu{
	display:-webkit-box;
	-webkit-box-orient:vertical;
	-webkit-line-clamp:3;
	text-overflow:ellipsis;
	width:auto;
	height:auto;
	overflow:hidden;
	color:#888;
}