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

a.tb_tb{
	overflow:hidden;
	display:block;
	width: auto;
	height: auto;
}
.tb_pic{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	margin:auto;
	position:relative;
	padding-bottom:100%;
	border:1px solid #ddd;
}
.tb_name{
	width:auto;
	height:auto;
	display:-webkit-box;
	-webkit-line-clamp: 1;
	-webkit-box-orient: vertical;
	text-overflow: ellipsis;
	overflow:hidden;
	color: #333;
	margin-top: 10px;
	margin-bottom: 10px;
}
.tb_miaoshu{
	width:auto;
	height:auto;
	display:-webkit-box;
	-webkit-line-clamp:1;
	-webkit-box-orient: vertical;
	overflow:hidden;
}