@charset "utf-8";
.about_content{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:auto;
	margin-top:var(--margin);
	margin-bottom:var(--margin);
	max-width: var(--max_width);
	
}
.about_content img{
	max-width:100%;
	clear:both;
	height:auto;
	overflow:hidden;
}
.about_list{
	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;
	max-width: var(--max_width);
	margin: auto;
	margin-top:var(--margin);
	margin-bottom:var(--margin);
}
@media (max-width:480px)
{
	.about_list{
		grid-template-columns: calc(50% - 10px/2 ) calc(50% - 10px/2 );
		column-gap: 10px;
		row-gap: 10px;
	}
}
.about_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
}
.about_thead{
	display:flex;
	display: -webkit-flex;
	column-gap: 10px;
	align-items: flex-end;
	overflow:hidden;
	width:auto;
	height:auto;
	line-height: 1.2;
}
.about_name{
	color: #5fc8f7;
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	font-size:3rem;
	font-family: Arial, Helvetica, sans-serif;
	font-weight: bold;
}
.about_unit{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
}
.about_miaoshu{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
}