@media screen and (max-width: 768px){
    .bt-box{
		width: 100%;
	}
	.bt-column-y{
		width: 100%;
	}
	.bt-column-y .bt-left{
		float: none;
	}
	.bt-column-y .bt-column-menu{
		width: 100%;
		float: none !important;
		height: 40px;
	}
	.bt-column-y .bt-left-title{
		display: none ;
	}
	.bt-column-y .bt-left-con{
		width: 100%;
		height: 40px;
	}
	.bt-column-y .bt-left-con .bt-rig-cen-01 li{
		float: left;
		list-style-type: none;
	}
	.bt-column-y .bt-column-cen{
		width: 100%;
	}
}
.lm-con{
	width: 1200px;
	height: auto;
	margin: 0 auto;
	background-color: #fff;
	margin-bottom: 30px;
}
.bt-position{background-color: #fff;width: 1180px;margin-left: 20px;}
.bt-column-y .bt-column-menu{background-color: #fff;margin-left: 20px;}
.bt-column-y .bt-column-cen{width: 890px;margin-right: 25px;}
.bt-column-y .bt-left-title{color: #355e92!important;}
.bt-column-y{}
.position .position-txt {
	padding-left: 15px;
	font-size: 13px;
	color: #454545;
}

.w {
	width: 1200px;
	margin: 0 auto;
}
.position {
	height: 45px;
	line-height: 40px;
}

.bt-box-1200 {
	width: 1200px;
	height: auto;
	margin: 0 auto;
}