@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;
	margin:auto;
	overflow:hidden;
	margin-top:20px;
	margin-bottom:20px;
}
@media (max-width:767px){
	#tb{
		grid-template-columns:calc(50% - (20px/2)) calc(50% - (20px/2));
	}
}
.tb_tb{
	width:auto;
	height:auto;
	overflow:hidden;
	display:grid;
	grid-template-columns:auto;
	align-items:center;
	row-gap:20px;
}

a.tb_pic{
	width:auto;
	height:auto;
	padding-bottom:75%;
	overflow:hidden;
	display:block;
	position:relative;
	background-size:cover;
	background-repeat:no-repeat;
	background-color:#f5f5f5;
}
a.tb_name{
	width:auto;
	height:auto;
	display:block;
	margin:auto;
	overflow:hidden;
	line-height:1.5;
	padding:10px;
	text-align:center;
}
.tb_miaoshu{
	width:auto;
	height:auto;
	display:block;
	margin:auto;
	overflow:hidden;
	line-height:1.5;
	margin-top:15px;
	color:#999;
}