html, body{
	min-height: 100%;
	background: #fafafa;
}
*{
	margin:0;
	padding:0;
	font-size: 12px;
}
ul{
	list-style:none;
}
.hide{
    display: none;
}
.lf{
	float: left;
}
.lr{
	float: right;
}
.red, .red a,.red a h5, .red a p{
    color:#FF0000 !important;
}
.h20{
	height: 20px
}

body{
	max-width:1000px;
	margin:0 auto
}
.header{
	background: #fff;
	width:100%;
	height:40px;
	line-height: 40px;
	display: flex;
	align-items: center;
	padding:25px 1.5em 28px;
	box-sizing: border-box;
	position:fixed;
	top:0;
	left:0;
}
header a{
	display: flex;
	align-items: center;
}
header img{
	width: 20px;
}
header .title{
	flex:1;
	text-align: center;
	text-indent: -20px;
}
header .progress-bar{
	height:3px;
	position: absolute;
	background: rgb(16 158 222);
	width: 0;
	bottom:0;
	left:0;
}

.main-group{
	padding:70px 1.5em 0;
	box-sizing: border-box;
	min-height: 100vh;
}
.main-group h3{
	font-size: 2em;
	margin:0.6em 0
}
.main-group p{
	font-size: 1.4em;
	text-indent: 2.2em;
	margin-bottom:0.9em;
	line-height:1.8em;
}