*{
	padding:0;
	margin:0;
	/*font-family:"平黑";*/
	font-family: "SF Pro SC","SF Pro Display","SF Pro Icons","PingFang SC","Helvetica Neue","Helvetica","Arial",sans-serif;
}
html,body{
	width:1904px;
/*	height:130px;*/
	background-color:rgb(240,243,244);
	/*background-color:white;*/
	display: table-cell;
	height: 100%;
}
.w100{
	width:100%;
}
.w75{
	width:75%;
}
.ofh{
	overflow:hidden;
}
.fl{
	float:left;
}
.fr{
	float:right;
}
/*--------top--------*/
#top{
	height:50px;
	background-color:white;
	position:fixed;
	z-index:10;
	width:100%;
	box-shadow: 0 3px 30px rgb(200,200,200);
}

/*---------content----------*/
#content{
	margin-top:50px;
	width:100%;
	overflow:hidden;
}

/*---------bottom--------*/
#bottom{
	height:190px;
	background-color:rgb(36,36,36);
}