.header-cover {
	height: 60px;
}

.header {
	display: block;
	width: 100%;
	height: 60px;
	background-color: #fff;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 30;
	border-bottom: 1px solid rgba(0, 0, 0, 0.05);
	box-shadow: 0px 6px 7px -7px rgba(0, 0, 0, 0.03);

	-webkit-transform: translateZ(0);
	transform: translateZ(0);
}

.header .main {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 1400px;
	max-width: 92%;
	margin: 0 auto;
	height: 100%;
}

.header .main .logo {
	display: block;
	width: 40px;
}

.header .main .logo img {
	width: 100%;
}

.header .main .nav {
	height: 100%;
	width: auto;
	margin-left: 10px;
	display: flex;
	align-items: center;

	-webkit-transition: 0.3s;
	transition: 0.3s;
	/*transform:translateX(-50%);*/
}

.header .main .nav ._li {
	height: 100%;
	display: flex;
	align-items: center;

	margin-left: 3vw;
	position: relative;
}

.header .main .nav ._li .title a {
	font-size: 14px;
	color: #222;
	cursor: pointer;
}

.header .main .nav ._li .title:before {
	display: block;
	content: '';
	position: absolute;
	left: 50%;
	top: 0;
	background-color: #0d1438;
	height: 3px;
	width: 0;

	-webkit-transition: 0.3s;
	transition: 0.3s;
}

.header .main .nav ._li:hover .title:before {
	width: 100%;
	left: 0;
}

.header .main .nav ._li .child {
	position: absolute;
	left: 50%;
	transform: translateX(-50%);
	top: 100%;
	min-width: 80px;
	padding: 0 8px;
	box-sizing: border-box;
	display: none;
	background-color: #fff;
	border-bottom-left-radius: 5px;
	border-bottom-right-radius: 5px;
	box-shadow: 0 5px 10px 0 rgba(0, 0, 0, 0.1)
}

.header .main .nav ._li .child .tt {
	line-height: 2;
	font-size: 14px;
	text-align: center;
	margin-top: 5px;
	position: relative;
	white-space: nowrap;
	margin-bottom: 5px;
}

.header .main .nav ._li .child .tt a {
	display: inline-block;
	position: relative;
	color: #666;

	-webkit-transition: 0.3s;
	transition: 0.3s;
}

.header .main .nav ._li .child .tt a:hover {
	color: #0d1438
}

.header .main .nav ._li .child .tt a:before {
	display: block;
	content: '';
	position: absolute;
	left: 50%;
	bottom: 0;
	background-color: #0d1438;
	height: 2px;
	width: 0;

	-webkit-transition: 0.3s;
	transition: 0.3s;
}

.header .main .nav ._li .child .tt a:hover:before {
	width: 100%;
	left: 0;
}

.header .main .links {
	display: block;
	height: 20px;
	margin: 5px;
	/* filter: grayscale(1); */
	-webkit-transition: filter 0.3s;
	transition: filter 0.3s;
}

.header .main .links .links-icon {
	height: 20px;
}

.header .main .links:hover {
	filter: grayscale(0);
}

.header .main .lang {
	margin: 0 1.5vw;
	font-size: 12px;
	user-select: none;
}

.header .main .lang a {
	color: #a0a0a0;
}

.header .main .lang a.active,
.header .main .lang a:hover {
	color: #0d1438;
}

.header .main .search {
	display: flex;
	align-items: center;
	width: 10vw;
	height: 30px;
	overflow: hidden;
	border: 1px solid #0d1438;
	border-radius: 15px;
	padding-right: 8px;
	box-sizing: border-box;
}

.header .main .search .txt {
	flex: 1 1 auto;
	width: 1%;
	border: none;
	box-shadow: none;
	font-size: 14px;
}

.header .main .search .submit {
	border: none;
	width: 20px;
	height: 20px;
	cursor: pointer;
	z-index: 5;
	background: #fff url(../images/icon/serch.png) center no-repeat;
	background-size: contain;
}

.header .guide {
	width: 100%;
	box-sizing: border-box;
	position: absolute;
	left: 0;
	top: 100%;
	background-color: #fff;
	margin: 0 auto;
	display: none;
	border-bottom-left-radius: 5px;
	border-bottom-right-radius: 5px;
	box-shadow: 0 5px 10px 0 rgba(0, 0, 0, 0.1);
}

.guide-container {
	padding: 30px 0;
	max-height: 540px;
	overflow-y: auto;
}

.header .guide .series {
	width: 180px;
	padding: 0 8px;
}

.header .guide .series .tt {
	font-size: 16px;
	line-height: 20px;
	letter-spacing: -.02em;
	word-spacing: 0;
	font-weight: 600;
	color: rgba(0, 0, 0, .85);
	width: 100%;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.header .guide .series .intro {
	font-size: 12px;
	line-height: 16px;
	letter-spacing: -.02em;
	word-spacing: 0;
	color: rgba(0, 0, 0, .65);
	margin: 8px 0 16px;
}

.header .guide .series .cover {
	display: block;
	background-color: rgba(0, 0, 0, .04);
	width: 100%;
	padding-top: 100%;
	margin-bottom: 8px;
	position: relative;
	overflow: hidden;
	border-radius: 5px;
	box-shadow: 0 5px 18px -2px rgba(0, 0, 0, .08);
	transition: all .3s ease;
}

.header .guide .series .cover:hover {
	box-shadow: 0 5px 18px -2px rgba(0, 0, 0, .2);
}

.header .guide .series .cover a {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	color: rgba(0, 0, 0, .65);
	font-size: 12px;
	word-spacing: 0;

	opacity: 0;
	visibility: hidden;
	transition: .3s ease;
}

.header .guide .series .cover a.active {
	opacity: 1;
	visibility: visible;
}

.header .guide .series .cover a img {
	max-width: 100%;
	height: 80%;
	object-fit: contain;
}

.header .guide .series .products {
	width: 160px;
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	padding: 5px 0;
}

.header .guide .series .products img {
	width: 48px;
	height: 40px;
	object-fit: contain;
}

.header .guide .series .products .name {
	font-size: 12px;
	word-spacing: 0;
	color: rgba(0, 0, 0, .65);
	margin-left: 8px;

	transition: .3s ease;
}

.header .guide .series .products:hover .name {
	color: rgba(0, 0, 0, .85);
	text-decoration: underline;
}



.main-container {
	flex: 1 0 auto;
	overflow: hidden;
	background-color: #f1f5f8;
}


/* 手机端样式 */
.header-mod,
.header-mod .nav-box {
	display: none;
}

@media screen and (max-width: 767px) {
	.header {
		display: none;
	}

	.header-mod a {
		color: #333;
	}

	.header-mod {
		display: flex;
		align-items: center;
		justify-content: space-between;
		width: 100%;
		height: 60px;
		padding-right: 10px;
		background: #1c1c1c;
		position: fixed;
		top: 0;
		left: 0;
		z-index: 30;
		border-bottom: 1px solid rgba(0, 0, 0, 0.05);
		box-shadow: 0px 6px 7px -7px rgba(0, 0, 0, 0.03);

		-webkit-transform: translateZ(0);
		transform: translateZ(0);
	}

	.header-mod .main {
		display: flex;
		width: 100%;
		height: 100%;
	}

	.header-mod .btn-nav {
		display: block;
		padding: 20px;
	}

	.header-mod .btn-nav span {
		display: block;
		width: 20px;
		height: 2px;
		background: #fff;
		margin-bottom: 4px;

		transition: .3s ease;
	}

	.header-mod .btn-nav span:last-child {
		margin-bottom: 0;
	}

	.header-mod .btn-nav.active span:first-child {
		transform: translateY(8px) rotate(45deg);
	}

	.header-mod .btn-nav.active span:nth-child(2) {
		opacity: 0;
	}

	.header-mod .btn-nav.active span:last-child {
		transform: translateY(-4px) rotate(-45deg);
	}

	.header-mod .logo {
		display: block;
		width: 40px;
		height: 40px;
		position: absolute;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		margin: auto;
	}

	.header-mod .logo img {
		width: 100%;
	}

	.header-mod .links {
		display: block;
		height: 20px;
		margin: 5px;
		/* filter: grayscale(1); */
		-webkit-transition: filter 0.3s;
		transition: filter 0.3s;
	}

	.header-mod .links .links-icon {
		height: 20px;
	}

	.header-mod .links:hover {
		filter: grayscale(0);
	}

	.header-mod .nav-box {
		position: absolute;
		top: 60px;
		left: 0;
		right: 0;
		display: none;
		width: 100%;
		height: calc(100vh - 60px);
		background: #fff;
		border-top: 1px solid #eee;
		padding: 2rem;
		overflow-y: auto;
		overscroll-behavior: contain;
	}

	.header-mod .nav-box ._li .title {
		display: block;
		width: 100%;
		overflow: hidden;
		font-size: 16px;
		line-height: 3.8;
		color: #333;
		display: flex;
		align-items: stretch;
		justify-content: space-between;
	}

	.header-mod .nav-box ._li .title .tt {
		flex: 1 0;
		font-size: 16px;
		line-height: 3.8;
		color: #333;
	}

	.header-mod .nav-box ._li .title .icon {
		display: flex;
		align-items: center;
		justify-content: center;
		width: 60px;
		margin-right: -20px;
		transform: rotate(180deg);
		transition: 0.3s ease;
	}

	.header-mod .nav-box ._li.active>.title>.icon {
		transform: rotate(0deg);
	}

	.header-mod .nav-box ._li .child {
		display: none;
		padding-left: 15px;
	}

	.header-mod .nav-box ._li .child .tt {
		font-size: 14px;
		color: #666;
		line-height: 3;
		display: block;
	}
}