header{
	position: absolute;
	width: 100%;
	top: 0;
	left: 0;
	z-index: 6;
}
.head{
	position: fixed;
}
.welcome{
	background: var(--blue-color);
	color: var(--white-color);
	line-height: 50px;
}
.head .welcome{
	display: none;
}
.welcome ul{
	display: flex;
	justify-content: space-between;
}
.welcome li{
	display: flex;
	font-size: 16px;
	align-items: center;
}
.welcome li span{
	white-space: nowrap;
}
.welcome li span:first-child{
	margin-right: 30%;
}
.welcome li span i{
	font-size: 18px;
	margin-right: 10px;
}
.welcome li a{
	width: 25px;
	height: 25px;
	border-radius: 5px;
	background: var(--white-color);
	text-align: center;
	color: var(--blue-color);
	line-height: 26px;
	margin-left: 7px;
}
.welcome li a i{
	font-size: 20px;
}
.welcome li a:nth-child(2) i{
	font-size: 22px;
}
.welcome li a:nth-child(4) i,.welcome li a:nth-child(5) i{
	font-size: 18px;
}
nav{
	width: 90%;
	background: rgba(255, 255, 255, .88);
	padding-left: 10vw;
	border-radius: 0px 25px 25px 0px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	transition: .3s;
}
.head nav{
	background: rgba(255, 255, 255, 1);
	width: 100%;
	padding-right: 10vw;
	border-radius: 0;
	box-shadow: 0px 3px 4px rgba(0, 0, 0, .1);
}
.logo{
	width: 21vw;
	transition: .3s;
}
.head .logo{
	width: 15vw;
}
.menu{
	width: 52vw;
	font-weight: 500;
}
nav ul{
	display: flex;
	justify-content: space-between;
	padding-right: 4%;
}
nav li a{
	display: block;
	font-size: 19px;
	line-height: 100px;
	transition: .3s;
}
nav li a:hover{
	color:var(--blue-color);
}
.language{
	display: flex;
	line-height: 100px;
	transition: .3s;
}
.head nav li a,.head .language{
	line-height: 80px;
}
.language a{
	font-size: 19px;
	padding: 0px 5px;
}
.language i{
	font-size: 24px;
	color: var(--blue-color);
	margin-right: 5px;
}
.nav-click{
	display: none;
}
.nav-click span{
	width:30px;
	height:24px;
	justify-content: space-between;
	flex-direction: column;
	display: flex;
	padding: 3px 2px;
}
.nav-click i{
	height: 2px;
	background: var(--blue-color);
}
.black-bg{
	display: none;
	position: fixed;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	z-index: 7;
	background: rgba(0, 0, 0, .8);
}
@media (max-width: 1440px) {
	.welcome{
		line-height: 42px;
	}
	.welcome li{
		font-size: 14px;
	}
	.welcome li span:first-child {
		margin-right: 20%;
	}
	.welcome li span i{
		font-size: 16px;
		margin-right: 8px;
	}
	.welcome li a{
		width: 22px;
		height: 22px;
		line-height: 22px;
		margin-left: 5px;
	}
	.welcome li a i{
		font-size: 18px;
	}
	.welcome li a:nth-child(2) i{
		font-size: 20px;
	}
	.welcome li a:nth-child(4) i,.welcome li a:nth-child(5) i{
		font-size: 16px;
	}
	.head .logo{
		width: 20vw;
	}
	nav{
		border-radius: 0px 20px 20px 0px;
	}
	nav ul{
		padding-right: 3%;
	}
	nav li a{
		font-size: 17px;
		line-height: 86px;
	}
	.language{
		line-height: 86px;
	}
	.language a{
		font-size: 17px;
	}
	.head nav li a,.head .language{
		line-height: 74px;
		font-size: 16px;
	}
	.language i{
		font-size: 20px;
	}
}
@media (max-width: 992px) {
	header{
		position:sticky;
		background: var(--white-color);
		box-shadow: 0px 3px 4px rgba(0, 0, 0, .1);
	}
	.welcome{
		display: none;
	}
	.logo{
		width: 55vw;
	}
	.menu{
		position: fixed;
		width: 70%;
		right: -100%;
		top: 0;
		height: 100%;
		z-index: 8;
		background: var(--white-color);
		transition: .5s;
	}
	.top .menu{
		right: 0;
	}
	nav{
		border-radius: 0px;
		justify-content: space-between;
		padding: 5px 15px;
		width: 100%;
	}
	nav ul{
		padding-right: 0;
		display: block;
	}
	nav li a{
		font-size: 16px;
		line-height: 50px;
		padding: 0px 15px;
		border-bottom: 1px solid rgba(0, 0, 0, .1);
	}
	.language{
		line-height: 50px;
		padding: 0px 15px;
		border-bottom: 1px solid rgba(0, 0, 0, .1);
	}
	.language a{
		font-size: 16px;
	}
	.language i{
		font-size: 18px;
	}
	.nav-click{
		display: block;
	} 
}