@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% - 10px/2) calc(50% - 10px/2);
		column-gap:10px;
		row-gap:10px;
	}
}
@media (max-width:767px){
	#tb{
		grid-template-columns:auto;
	}
}
.tb_item{
	width:auto;
	height:auto;
	overflow:hidden;
	overflow:hidden;
	display:block;
	transition:all 0.4s;
}

.tb_tb{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
}

.tb_right{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	margin-top: 10px;
	margin-bottom: 10px;
}
a.tb_pic{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	margin:auto;
	position:relative;
	padding-bottom:60%;
	background-size: cover;
	background-position: top center;
	background-repeat: no-repeat;
}
.tb_modal{
	width:100%;
	height:100%;
	overflow:hidden;
	display:flex;
	display: -webkit-flex;
	justify-content: center;
	align-items: center;
	margin:auto;
	background-color: rgba(0,0,0,0.4);
	position: absolute;
	left: 0px;
	right:0px;
	top:0px;
	bottom: 0px;
}
.tb_modal:before{
	margin:auto;
	display: block;
	color: #fff;
	font-size: 3rem;
}
.tb_name{
	overflow: hidden;
	width:auto;
	height:auto;
	display:-webkit-box;
	-webkit-box-orient:vertical;
	-webkit-line-clamp:1;
	text-overflow:ellispsis;
	margin-top:10px;
	font-size: 1.2rem;
}
.tb_miaoshu{
	width:auto;
	height:auto;
	display:-webkit-box;
	-webkit-box-orient:vertical;
	-webkit-line-clamp:2;
	text-overflow:ellispsis;
	margin:auto;
	overflow:hidden;
	margin-top:10px;
	color:#999;
}
.tb_date{
	font-size: 12px;
	font-family: Arial, Helvetica, sans-serif;
	color:var(background-color);
}