@charset "utf-8";
#tb{
	display:grid;
	grid-template-columns:auto;
	row-gap:30px;
	width:auto;
	height:auto;
	margin: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:grid;
	grid-template-columns:30% auto;
	align-items:center;
	column-gap:50px;
	margin:auto;
	background-color:#fff;
	padding:20px;
}

a.tb_left{
	position:relative;
	padding-bottom:100%;
	height:auto;
	overflow:hidden;
}
.tb_pic{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	margin:auto;
	max-width:100%;
	position:absolute;
	left:0px;
	right:0px;
}
a.tb_name{
	width:auto;
	height:auto;
	display:block;
	margin:auto;
	overflow:hidden;
	padding:5px;
	font-size:1.4rem;
	line-height:1.5;
	font-weight:bold;
	border-bottom:1px solid #ddd;
}
.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;
}