.header {
	margin: 0 auto;
	width: 100vw;
	height: auto;
	text-align: center;
}

.header-img {
	margin: 0.4rem auto 0.2rem;
	width: 8.96rem;
	height: 0.6rem;
	display: block;
	object-fit: cover;
}

.header .nav-box {}

.header .nav {
	display: flex;
	flex-direction: row;
	justify-content: center;
	margin-top: 0.2rem;
	margin-bottom: 0.2rem;
}

.header .nav li {
	line-height: 1;
	font-size: 0.2rem;
	text-align: center;
	font-family: Arial;
	font-weight: 400;
	color: #707070;
	padding: 0.1rem 0;
	margin-right: 0.6rem;
	cursor: pointer;
	position: relative;
	border-top: 0.02rem solid transparent;
	border-bottom: 0.02rem solid transparent;
}

.header .nav li a {
	color: #707070;
	font-size: 0.2rem;
}

.header .nav .nav_active {
	font-size: 0.2rem;
	font-family: Arial;
	font-weight: bold;
	color: #2AA6D0;
	border-top: 0.02rem solid #2AA6D0;
	border-bottom: 0.02rem solid #2AA6D0;
}
.header .nav .nav_active a{
	color: #2AA6D0;
}
.header .nav li:hover {
	color: #2AA6D0;
	border-top: 0.02rem solid #2AA6D0;
	border-bottom: 0.02rem solid #2AA6D0;
}
.header .nav li:hover a{
	color: #2AA6D0;
}
.header .nav li:last-child {
	margin-right: 0.3rem;
}

.header .nav li .menu {
	display: none;
	width: 3rem;
	position: absolute;
	background-color: #fff;
	overflow: hidden;
	top: 0.6rem;
	left: 50%;
	transform: translate(-50%, 0);
	box-shadow: 1rem 1rem 1rem rgba(0, 0, 0, 0.3);
}

.header .nav li .menu li {
	width: 3rem;
	text-align: center;
	font-size: 0.16rem;
	font-family: Arial;
	font-weight: 400;
	height: 0.5rem;
	line-height: 0.5rem;
	padding: 0;
	color: #707070 !important;
	margin: 0;
	border-bottom: 1px solid #EBEBEB;
}

.header .nav li .menu li a {
	color: #707070;
}

.header .nav li .menu li:last-child {
	border-bottom: none;
}

.header .nav li .menu li:hover {
	background: #2AA6D0;
}

.header .nav li .menu li:hover a {
	color: #fff;
}