.bigbox{
	height:2000px;
}

.h1top{
	position: fixed;
	left: 0px;
	top: 0px;
	z-index:3;	
}

.bgimage{
	position: fixed;
	left: 0px;
	top: 45px;
	z-index:1;
	
}
.bgimage img{
	max-width: 1366px;
	max-height: 768px;
	display: block;
	margin: auto;
}


.bgblog{
	position: fixed;
	left:350px;
	top: 395px;/*控制开关位置的*/
	z-index:2;
	
}
.bgblog a{
	font-size:20px;
	letter-spacing: 5px;
	color:#000;
	text-align: center;
	text-decoration: none;
	
}
	
}

.img {
	max-width: 100%;
    max-height: 100%;
	display: block;
    margin: auto;
	}
	
	
.footer{
	z-index:33;
}