/*电脑*/
@media screen and (min-width:1180px){

	#tb{
		min-width: 1180px; max-width: 100%; margin: 0 auto; height:55px;
	}

	#tbm{
		width: 1180px;line-height:50px; color: #333;margin:0 auto;height:80px;background:url(../images/xw1.jpg) no-repeat;
	}

	#tb a{
		color: #333;
	}

	#nr{
		width:945px;height:580px;margin:0 auto;
	}

	#nr a{
		display: inline-block;
		width: 50%;
		float: left;
		text-align: center;
		margin-top: 25px;
		margin-bottom: 25px;
	}

}

/*手机*/
@media screen and (max-width:1180px){

	#tb{
		width: 98%; height:55px;margin-left: 1%;margin-right: 1%;
	}

	#tbm{
		width: 100%;line-height:50px; color: #333;margin:0 auto;height:80px;background:url(../images/xw1.jpg) no-repeat;
	}

	#tb a{
		color: #333;
	}

	#nr{
		width:100%;height:auto;margin:0 auto;
	}

	#nr a{
		display: inline-block;
		width: 96%;
		float: left;
		text-align: center;
		margin-top: 10px;
		margin-bottom: 10px;
		margin-left: 2%;
		margin-right: 2%;
	}

	#nr a img{
		width: 100%;
	}

}