@charset "utf-8";
#quandi_map{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:400px;
}
#quandi_map>iframe{
	width:100%;
	height: 100%;
	display: block;
}

.contact_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;
	margin: auto;
	margin-top: 60px;
}
@media (max-width:767px){
	.contact_list{
		grid-template-columns: calc(50% - 10px/2 ) calc(50% - 10px/2 );
		column-gap: 10px;
		row-gap: 10px;
		margin-top: 20px;
	}
}
.contact_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	border: 1px solid #ddd;
	padding: 20px;
}
.contact_ico{
	color: #c00;
}
.contact_name{
	font-size:2rem;
	display: flex;
	display:-webkit-flex;
	align-items:center;
	column-gap:10px;
}
.contact_miaoshu{
	margin-top:10px;
}
.tb{
	max-width: 86%;
	margin: auto;
	margin-top: 80px;
	margin-bottom: 80px;
  }
  @media (max-width:767px){
	.tb{
	  max-width: unset;
	  padding: 10px;
	  margin-top: 20px;
	  margin-bottom: 20px;
	}
  }
  .thead{
	text-align: center;
	line-height: 1.5;
  }
  .title{
	font-size: 2.8rem;
  }
  .miaoshu{
	font-size: 1.2rem;
	font-family: Arial, Helvetica, sans-serif;
  }
  @media (max-width:480px){
	.title{font-size: 2rem;}
  }