/*官网样式---公用样式*/
.h800{
	height: 800px;
	overflow: hidden;
	background-color: #f7f7f7;
	max-width: 1920px;
	margin: 0 auto;
	position: relative;
}



.header-video-fake{
	position: absolute;
    top: 200px;
    left: 45%;
    margin-left: 38px;
    /* margin-right: -10%; */
    width: 600px;
    height: 427px;
    cursor: pointer;
}

.header-video-btn{
	position: absolute;
	top: 370px;
    left: 30%;
    margin-left: 218px;
	width: 88px;
	height: 88px;
	opacity: 0.8;
	z-index: 2;
	cursor: pointer;
}
.header-video-btn.lazy.mv{
	background-image:url(../images/home/btn.png);
	width:88px;
	height:88px;
	-webkit-transition: all .28s ease-in .1s;
    transition: all .28s ease-in .1s;	
}
.header-video-btn.lazy.mv:hover{
	background-image:url(../images/home/btn_hover.png);	
}
.header-video-fake:hover .header-video-btn{
	opacity: 1;
}

.ydh-head-video-div{
	position: fixed;
    height: 100%;
    width: 100%;
	top: 0;
	left: 0;
	right: 0;
	top: 0;
	z-index: 9000;
	display:none;
}

.ydh-head-video{
	position: fixed;
    height: 100%;
    width: 100%;
	top: 0;
	left: 0;
	right: 0;
	top: 0;
	background-color: rgba(0,0,0,0.7);
	z-index: 8888;
}
.ydh-head-video-div .ydh-head-video-content{
	position: absolute;
	top: 50%;
	left: 50%;
	margin-top: -227px;
    margin-left: -378px;
    width: auto;
    height: auto;
	z-index: 8999;
}