body {  
	font-family: "PingFang SC","Source Han Sans SC","Noto Sans CJK SC","Hiragino Sans GB","Helvetica Neue","Helvetica",sans-serif;
}  
.tianqi{ display:none; opacity:0}
.w1200{ position:relative}
.positions_now_font{ float:inherit; position:absolute; left:0; top:60px;}
.back_imgages{ padding-top:50px;}

@media (max-width:1000px) {


}