@media screen and (max-width:768px) {
	.trip_bg{
		background: url(../images/dangzhibu/shijiuda.png) 50% 0px no-repeat;
		height: 200px;
		margin-top: 80px;
		background-size: 100% auto;
	}
	.dzbwenzi_bg{
		background: url(../images/dangzhibu/diertu_bg.png) 50% 0px no-repeat;
		/*height: 300px;*/

	}
	.wenzi_bt{
		margin:40px auto 20px auto;
	}
	.wenzi_zw{
		margin:0px auto 40px auto;
	}
}
@media screen and (min-width:769px) {
	.trip_bg{
		background: url(../images/dangzhibu/shijiuda.png) 50% 0px no-repeat;
		height: 1000px;
		margin-top: 60px;
	}
	.dzbwenzi_bg{
		background: url(../images/dangzhibu/diertu_bg.png) 50% 0px no-repeat;
		/*height: 1000px;*/
    margin: 10px auto 0 auto !important;
		
	}
	.wenzi_bt{
		margin:100px auto 60px auto;
	}
	.wenzi_zw{
		margin:0px auto 200px auto;
	}
}