header{
	position:sticky;
	z-index:9;
	top:0;
	transition:.3s;
}
.head{
	top:-40px;
	box-shadow:0px 3px 3px rgba(0,0,0,.1);
}
.welcome{
	background: var(--black-color);
	color: var(--white-color);
}
.welcome .container{
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.welcome span{
	display: flex;
	line-height: 40px;
}
.welcome span p{
	margin-left: 10px;
}
.menu{
	display: flex;
	justify-content: space-between;
	align-items: center;
	background: var(--white-color);
	padding-left: 10vw;
}
.logo img{
	height: 63px;
}
nav{
	width: 76%;
	background: var(--red-color);
	position: relative;
	clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
	padding-right: 10vw;
	padding-left: 10%;
}
nav ul{
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
}
.nav-click,.black-bg,.sousuo{
	display: none;
}
nav li a{
	display: block;
	font-size: 20px;
	line-height: 80px;
	transition:.3s;
	color: var(--white-color);
}
nav li a:hover{
	color:var(--blue-color);
}
.language{
	position: relative;
	color: var(--white-color);
}
.language span{
	display: flex;
	cursor: pointer;
	align-items: center;
}
.language span p{
	font-size: 20px;
	line-height: 80px;
	margin: 0px 10px;
}
.language span i{
	font-size: 18px;
	line-height: 80px;
}
.language span::after{
	content: "";
	width: 7px;
	height: 7px;
	border-right: 1px solid var(--white-color);
	border-bottom: 1px solid var(--white-color);
	transform: rotate(45deg);
	margin-top: -4px;
}
.language section{
	position: absolute;
	width: 105%;
	top: 100%;
	height: 100%;
	left: 0;
	background: var(--white-color);
	z-index: 7;
	padding: 10px 0px;
	transition: .2s;
}
.language section a{
	font-size: 16px;
	display: block;
	text-align: center;
	line-height: 30px;
	color: var(--black-color);
}
.language section a:hover{
	text-decoration: underline;
	color: var(--blue-color);
}
.language:hover section{
	top: 0;
}
@media (max-width: 1440px) {
	.head{
		top:-34px;
	}
	.welcome span{
		line-height: 34px;
		font-size: 13px;
	}
	.welcome span p{
		margin-left: 10px;
	}
	.logo img{
		height: 54px;
	}
	nav li a{
		font-size: 18px;
		line-height: 70px;
	}
	.language span p{
		font-size: 18px;
		line-height: 70px;
		margin-left: 10px;
	}
	.language span i{
		font-size: 16px;
		line-height: 70px;
	}
	.language section a{
		font-size: 14px;
		line-height: 25px;
	}
}
.nav-click span{
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	width:22px;
	height: 24px;
	padding: 4px 0px;
}
.nav-click span i{
	height: 2px;
	background: var(--blue-color);
}
.black-bg{
	position: fixed;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	z-index: 2;
	background: rgba(0, 0, 0, 0.8);
}
@media (max-width: 992px) {
	header{
		padding: 5px 15px;
		top: 0;
		background:var(--white-color);
		box-shadow:0px 3px 3px rgba(0,0,0,.04);
	}
	.welcome{
		display: none;
	}
	.menu{
		padding: 0;
	}
	.logo img{
		height: 30px;
	}
	.nav-click{
		display: block;
	}
	nav{
		width: 70%;
		position: fixed;
		z-index: 3;
		background: #fff;
		height: 100%;
		top: 0;
		right: -100%;
		opacity: 0;
		transition: .3s;
		clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
		padding: 0;
	}
	nav.nav{
		right: 0;
		opacity: 1;
	}
	nav ul{
		display: block;
		width: 100%;
	}
	nav li a{
		font-size: 14px;
		line-height: 46px;
		padding: 0px 15px;
		color: var(--black-color);
		border-bottom: 1px solid rgba(0, 0, 0, 0.1);
		display: flex;
		justify-content: space-between;
		align-items: center;
	}
	nav li a::after{
		content: "";
		width: 7px;
		height: 7px;
		border-right: 1px solid var(--black-color);
		border-bottom: 1px solid var(--black-color);
		transform: rotate(-45deg);
	}
	nav li.on a{
		color: var(--blue-color);
	}
	.language{
		border-bottom: 1px solid rgba(0, 0, 0, 0.1);
	}
	.language span{
		display: none;
	}
	.language section{
		display: flex;
		position: static;
		width: 100%;
		box-shadow: none;
		padding: 0px 0px;
	}
	.language section a{
		width:50%;
		font-size: 14px;
		line-height: 46px;
		position: relative;
	}
	.language section a:first-child::after{
		content: "";
		position: absolute;
		width:1px;
		height:16px;
		background: rgba(0, 0, 0, 0.1);
		right: 0;
		top: 50%;
		transform: translateY(-50%);
	}
}