html,body{height: 100%;}
body{
    background: #000;
    overflow-x: hidden;
    overflow-y: auto;
}
.main {
    position: relative;
	z-index: 999;
    width: 100%;
    height: 900px;
}
.flash_outer{
    position: relative;
	cursor: pointer;
	width: 100%;
	height: 100%;
	text-align: center;
	z-index: 2;
}
.flash_outer video{
	position: absolute;
	top: 50%; 
	left: 50%; 
	width: 1600px;
	height: 900px;
	margin-left: -800px;
	margin-top:-450px;
	display: none\9;
}
.flash_outer .bgimg{
	position: absolute;
	top: 50%; 
	left: 50%; 
	width: 1600px;
	height: 900px;
	margin-left: -800px;
	margin-top:-450px;
}
.footer{
    padding-top: 10px;
    height: auto;
    background-color: #000;
    font-size: 12px;
    text-align: center;
    color: #8e8e8e;
    line-height: 20px;
    width: 100%;
}
.footer a{
	color: #8e8e8e;
	cursor: pointer;
}
.view_box{
	position: absolute;
	left: 50%;
	width: 1600px;
	height: 100%;
	margin-left:-800px;
	z-index: 3;
}

.btn-hover{position: absolute;}
.btn-hover img{width:100%;position: absolute;left: 0;top:0;}
.btn-hover .btnimg2{display: none;}
.btn-hover:hover .btnimg1{display: none;}
.btn-hover:hover .btnimg2{display: block;}