.body {
	;
}
.logo{
	line-height:28px;
	font-size:28px;
	font-family: serif;
	font-weight:bold;
	text-align:left;
}
.cert{
	line-height:28px;
	font-size:14px;
	text-align:left;
}
.text{
	float:left;
	margin: 0 0 0 auto;
	font-family: serif;
}
.slider{
	text-align:left;	
}
}
.slider-1{
	width:100%;
	height:100%;
	text-align:left;
}

.slider-1 img{
	width:100%;
}
a.jump2top{
	text-decoration:none;
	color: #fff;
}
#jump2top {
	position: fixed;
	bottom: 20px;
	right: 20px;
	
	background-color:#999;
	color: #fff;

	padding:20px 20px;
	border-radius: 50%;
	width: 40px;
	height: 40px;
	display: flex;
	justify-content: center;
	align-items: center;
	cursor: pointer;
}
#jump2top a:hover {
	position: fixed;
	bottom: 20px;
	right: 20px;

	background-color: #666;
	color: #fff;

	padding:20px 20px;
	border-radius: 50%;
	width: 40px;
	height: 40px;
	display: flex;
	justify-content: center;
	align-items: center;
	cursor: pointer;
}