@media screen and (max-width:768px) {
	.touru_bg{
		height: 560px;
    	background: url(../images/gongzuojihui/dabanner.png) no-repeat 50% -80px;
    	margin-top:60px;
    	background-size: 230%;
	}
	.touru_bt{
		margin:40px auto 60px auto;
	}
	.congshigongzuo{
		margin:40px auto;
	}
	.dianji_bg{
		height: 560px;
    	background: url(../images/gongzuojihui/dianjibanner.png) no-repeat 50% 0px;
    	background-size: 280%;
    	margin-top:60px;
	}
	.dianji_bt{
		margin:100px auto 60px auto;
        font-size: 28px;
	}
}
@media screen and (min-width:769px) {
	.touru_bg{
		height: 1000px;
    	background: url(../images/gongzuojihui/dabanner.png) no-repeat 50% -500px;
    	margin-top:60px;
	}
	.touru_bt{
		margin:100px auto 60px auto;
	}
	.congshigongzuo{
		margin:60px auto;
	}
	.dianji_bg{
		height: 1000px;
    	background: url(../images/gongzuojihui/dianjibanner.png) no-repeat 50% 0px;
    	margin-top:60px;
	}
	.dianji_bt{
		margin:160px auto 60px auto;
	}
}
.gzjh_img{
	width: 100%;
	border-radius: 10px;
	text-align: center;
}
.mrg_bottom_40{
	margin-bottom: 40px;
}
.dianji_bt{
	max-width: 1100px !important;
}