@media (max-width:768px){
  .pcH{
    display: none;
    height: 0 !important;
  }
  .phoneH{
    display: block !important;
  }
  .container-contactUs{
    width: 100% !important;
    height: auto !important;
  }
  .col-aboutUs-item{
    width: 90% !important;
    margin: 10px 5% !important;
    float: none !important;
  }
  .col-aboutUs-item img{
    width: 100% !important;
  }
}
@media (min-width:768px){
  .phoneH{
    display: none ;
  }

}
.container-contactUs {
	width: 960px;
	height: 546px;
	margin: 0 auto;
}

.row-1 {
	width: 100%;
	height: 268px;
}

.row-2 {
	margin-top:4.5px;
	width: 100%;
	height: 268px;
	margin-bottom: 5.5px;
}

.col-aboutUs-1 {
	width: 477px;
	height: 268px;
	float:left;
	margin-right: 5px;
}
.col-aboutUs-2 {
	width: 477px;
	height: 268px;
	float:left;
}
.col-aboutUs-3 {
	width: 477px;
	height: 268px;
	float:left;
	margin-right: 5px;
}
.col-aboutUs-4 {
	width: 477px;
	height: 268px;
	float:left;
}