.contactbox{ background:url(../img/contact_bg.png) no-repeat 100% 45%/90%; }
.contact_con dl{float:left;width:30.33%;margin-left:3%;} 
.contact_con dl dt{font-size:22px; color: #235fb4;}
.contact_con dl dd{margin-top:15px; line-height: 2;}
.contact_con dl dd a{display: block; font-size:16px; color: #666;}
#allmap{width:100%;height:500px;}
#allmap img{max-width: none;} 
 @media (max-width: 1024px){
   .contactbox{background-size: 100%;}
}
 @media (max-width: 768px) {
	.contact_con dl dt{font-size:18px;}
   .contact_con dl dd a{font-size:14px;}
}
 @media (max-width: 480px) {
    .contact_con dl{width:100%; float:none;margin:0 0 20px 2%; overflow:hidden;}
    .contact_con dl dd a{width:50%;float:left;}
    #allmap{height:250px;}
}