@media screen and (max-width: 645px) {
	@media screen and (orientation:landscape){
	#home .sl .box1{
		line-height:2;
	}
	#home .sl{
	margin: 60px auto;
	padding-bottom: 0px;
	}
	.nav li{
	padding: 14px 0;
	}
	#service .sp{
		width:31%;
		float:left;
		margin:3px 1%;
		min-height:206px;
	}
	#service .bp{
		clear:both;
		padding-top:5px;
	}

}}
@media screen and (max-width: 480px) {
	@media screen and (orientation:landscape){
	
	.nav li{
	padding: 8px 0;
	}

}}