@charset "utf-8";
#tb{
	display:grid;
	grid-template-columns:calc(33.3% - (40px/3)) calc(33.3% - (40px/3)) calc(33.3% - (40px/3));
	column-gap:20px;
	row-gap:20px;
	width:auto;
	height:auto;
	margin:auto;
}
@media (max-width:767px){
	#tb{
		grid-template-columns:calc(50% - (20px/2)) calc(50% - (20px/2));
		padding:10px;
	}
}
@media (max-width:480px){
	#tb{
		grid-template-columns:auto;
	}
}

.tb_tb{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	background-color:#fff;
	padding:20px;
	text-align:center;
	border:1px solid #ddd;
}

a.tb_pic{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	margin:auto;
	position:relative;
	padding-bottom:100%;
}
a.tb_name{
	width:auto;
	height:auto;
	display:block;
	margin:auto;
	overflow:hidden;
	display:-webkit-box;
	-webkit-line-clamp:1;
	text-overflow:ellipsis;
	-webkit-box-orient:vertical;
}
.tb_miaoshu{
	display:-webkit-box;
	text-overflow:ellipsis;
	-webkit-box-orient:vertical;
	-webkit-line-clamp:4;
	overflow:hidden;
	line-height:1.5;
	margin-top:20px;
}
a.tb_more{
	display:inline-block;
	width:120px;
	height:40px;
	line-height:40px;
	overflow:hidden;
	text-align:center;
	background-color:#0078d7;
	color:#fff;
	font-size:1rem;
	margin-top:20px;
}