@media only screen and (min-width:769px) {
	.nav_floor_box1{height:80px;position:relative !important;}
	.nav_floor_box1.on > div {position:fixed !important;width:100%;z-index: 9999;background:#000000;left:0px;top:0px;}
	.nav_floor_box1 .xg_html.on{background-image: url(https://rc0.zihu.com/g3/M00/AC/D7/CgAH6GAvKX2ALZAKAAAEBvvw2xY392.png);
    background-position: center bottom;
    background-repeat: no-repeat;}
}
@media only screen and (max-width:768px) {
	.nav_floor_box1{height:52px;position:relative !important;}
	.nav_floor_box1.on > div {position:fixed !important;width:100%;z-index: 9999;background:#000000;left:0px;top:0px;}
	.nav_floor_box1 .xg_html.on{background-image: url(https://rc0.zihu.com/g3/M00/AC/D7/CgAH6GAvKX2ALZAKAAAEBvvw2xY392.png);
    background-position: center bottom;
    background-repeat: no-repeat;}
}