.header {
	width: 100%;
	/* height: 100vh; */
	position: fixed;
}
.header::before{
	content: " ";
	position: absolute;
	left: 0;
	right: 0;
	width: 100%;
	height: 100vh;
	margin: auto;
	background: rgba(0,0,0,.4);
	z-index: 101;
}
.home-video {
	z-index: 100;
	position: absolute;
	/* top: 50%; */
	/* left: 50%; */
	min-width: 100%;
	min-height: 100%;
	object-fit: fill;
	/*这里是关键*/
	width: auto;
	height: auto;
	/* -ms-transform: translateX(-50%) translateY(-50%);
	-webkit-transform: translateX(-50%) translateY(-50%);
	transform: translateX(-50%) translateY(-50%);
	background: url(../video/cover.jpg) no-repeat;
	background-size: cover;
	width: 100%; */
	/* height: 100%; */
}

.main {
	position: relative;
}

.main1 {
	width: 80%;
	margin: 0 auto;
	max-width: 1204px;
	padding: 50px 0;
	font-size: 0;
}

.main1 .logo {
	display: inline-block;
	width: 10%;
	vertical-align: middle;
}

.main1 .nav {
	display: inline-block;
	font-size: 0;
	width: 90%;
	vertical-align: middle;
	text-align: right;
}

.main1 .nav li {
	display: inline-block;
	line-height: 100%;
	font-size: 18px;
	margin-left: 55px;
}
.main1 .nav li a{
	color: #fff;
	display: block;
}
.footer{
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	width: 100%;
	padding: 22px 0;
	color: #fff;
	text-align: center;
	font-size: 16px;
	background: #00070d;
}