.main_about_laogu{
	width: 75rem;
	min-height: 53.75rem;
	margin: 0 auto;
}

.l_about_laogu{
	width: 50rem;
	min-height:30rem;
	background: #fff;
	padding: 3.25rem 5.625rem;
}


.content_about_laogu{
	width: 100%;
	min-height: 31.25rem;
	padding-top: 3.125rem;
	font-size: 1rem;
	color: #666;
	text-indent: 2em;
	line-height: 1.875rem;
}


.content_about_laogu p{
	margin-bottom: 1.5rem;
}

.btn_about{
	width: 12.5rem;
	height: 9.375rem;
	margin-bottom: 1.25rem;
	font-size: 1rem;
	color: #666;
	text-align: center;
	line-height: 4.625rem;
	}
	
.tar_a_about_nanshi{
	width: 12.3125rem;
	height: 4.625rem;
	background: #fff;
	border-left: 0.1875rem #fff solid;
}


.mar_t1_about{
	margin-top: 0.0625rem;
}

.tar_a_about_laogu{
	width: 12.3125rem;
	height: 4.625rem;
	background: #fff;
	border-left: 0.1875rem #002C7D solid;
	
}

.tar_a_about_nanshi:hover{
	
	border-left: 0.1875rem #002C7D solid;
}

.tar_a_about_laogu{
	color: #002C7D;
	border-left-color: #002C7D;
}

.tt_about_laogu{
	width: 100%;
	height: 4.6875rem;
	text-align: center;
	font-size: 1.875rem;
}

.img_about_laogu{
	width: 100%;
	height: 13.125rem;
	background: url(../img/laogu_about_laogu/img_about_laogu.jpg) no-repeat center;
}