@charset "utf-8";
#tb{
	margin:auto;
	display:grid;
	grid-template-columns:calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4));
	row-gap:20px;
	column-gap:20px;
	width:auto;
	height:auto;
	margin-top:20px;
	margin-bottom:20px;
}
@media (max-width:767px){
	#tb{
		grid-template-columns:calc(50% - (10px/2)) calc(50% - (10px/2));
		row-gap:10px;
		column-gap:10px;
		padding:10px;
	}
}


a.tb_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	text-align: center;
	border: 1px solid #ddd;
	padding: 20px;
}
.tb_pic{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	padding-bottom:120%;
	position: relative;
}
.tb_name{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:auto;
	margin-top: 10px;
}
.tb_miaoshu{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	text-align:left;
	line-height:1.5;
	color:#999;
	overflow: hidden;
	text-overflow: ellipsis;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
}