/* 站点头部 — 对齐静态页 topbar + nav */

/*
 * header 仅作语义包裹，不参与布局盒，
 * 使 .nav 的 sticky 相对视口生效（与静态页 topbar/nav 平级一致）。
 */
.site-header {
	display: contents;
}

/* ── Topbar ── */
.topbar {
	background: linear-gradient(135deg, #0a0e27 0%, #0a5e5e 100%);
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: flex-end;
	padding: 0 60px;
	gap: 24px;
	font-size: 14px;
	color: #fff;
}

.topbar a {
	color: #fff;
	text-decoration: none;
	transition: opacity 0.3s;
	white-space: nowrap;
}

.topbar a:hover {
	color: #fff;
	opacity: 0.85;
}

.topbar-lang {
	font-weight: 700;
}

.topbar .divider {
	width: 1px;
	height: 14px;
	background: rgba(255, 255, 255, 0.1);
	flex-shrink: 0;
}

/* ── 主导航（下滑吸顶） ── */
.site-header .nav,
#nav.nav {
	background: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	height: 80px;
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 60px;
	border-bottom: 1px solid rgba(10, 14, 39, 0.06);
	position: -webkit-sticky;
	position: sticky;
	top: 0;
	z-index: 1000;
	transition: box-shadow 0.3s;
	box-sizing: border-box;
}

#nav.scrolled,
body.nav-fixed #nav.nav {
	box-shadow: 0 8px 30px rgba(10, 14, 39, 0.08);
}

body.admin-bar #nav.nav {
	top: 32px;
}

@media screen and (max-width: 782px) {
	body.admin-bar #nav.nav {
		top: 46px;
	}
}

@media screen and (max-width: 600px) {
	body.admin-bar #nav.nav {
		top: 0;
	}
}

.nav .logo {
	display: flex;
	align-items: center;
	flex-shrink: 0;
	text-decoration: none;
}

.nav .logo img {
	height: 52px;
	width: auto;
	display: block;
}

/* 菜单：桌面为横向 nav-menu */
.nav-drawer {
	display: contents;
}

.nav-drawer-head {
	display: none;
}

.nav .nav-menu {
	display: flex;
	align-items: center;
	gap: 2px;
	height: 80px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.nav .nav-menu > li {
	position: relative;
	height: 80px;
	display: flex;
	align-items: center;
	list-style: none;
	margin: 0;
	padding: 0;
}

.nav .nav-menu > li > a {
	font-size: 16px;
	font-weight: 700;
	color: #2a2a4e;
	padding: 0 24px;
	height: 80px;
	display: flex;
	align-items: center;
	border-bottom: 3px solid transparent;
	text-decoration: none;
	text-transform: none;
	letter-spacing: 0;
	transition: all 0.3s;
	white-space: nowrap;
}

.nav .nav-menu > li > a::after,
.nav .nav-menu > li > a::before {
	display: none !important;
	content: none !important;
}

.nav .nav-menu > li:hover > a,
.nav .nav-menu > li.current-menu-item > a,
.nav .nav-menu > li.current-menu-ancestor > a,
.nav .nav-menu > li.current_page_item > a {
	color: #0a6e6e;
	border-bottom-color: #0a6e6e;
}

/* 下拉（普通 / 产品 / 解决方案） */
.nav .nav-menu > li > .sub-menu,
.nav .nav-menu > li > .dropdown {
	position: absolute;
	top: 80px;
	left: 50%;
	transform: translateX(-50%) translateY(8px);
	background: #ffffff;
	border-radius: 14px;
	box-shadow: 0 20px 60px rgba(10, 14, 39, 0.15);
	padding: 16px 24px;
	min-width: 180px;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: all 0.25s ease;
	display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
	gap: 24px;
	z-index: 999;
	border-top: 3px solid #0a6e6e;
	list-style: none;
	margin: 0;
	justify-content: center;
}

.nav .nav-menu > li:hover > .sub-menu,
.nav .nav-menu > li:hover > .dropdown {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateX(-50%) translateY(0);
}

.nav .nav-menu .sub-menu li {
	list-style: none;
	margin: 0;
	padding: 0;
}

.nav .nav-menu .dd-col {
	min-width: 120px;
	flex: 0 0 auto;
	text-align: center;
}

.nav .nav-menu .dd-col-title {
	font-size: 16px;
	font-weight: 700;
	color: #1a1a2e;
	margin-bottom: 8px;
	padding-bottom: 6px;
	border-bottom: 2px solid #e8eaf0;
}

.nav .nav-menu .dd-col-title a {
	display: inline;
	font-size: inherit !important;
	font-weight: inherit !important;
	color: inherit !important;
	padding: 0 !important;
	border-bottom: none !important;
	height: auto;
	line-height: inherit;
}

.nav .nav-menu .dd-col-title a:hover {
	color: #0a6e6e !important;
}

.nav .nav-menu .sub-menu a,
.nav .nav-menu .dropdown a {
	display: block;
	font-size: 15px;
	font-weight: 500;
	color: #666;
	padding: 5px 0;
	text-align: center;
	text-decoration: none;
	text-transform: none;
	letter-spacing: 0;
	border-bottom: 1px solid #f5f5f5;
	transition: color 0.2s;
	height: auto;
	line-height: 1.5;
	white-space: nowrap;
}

.nav .nav-menu .sub-menu a::after,
.nav .nav-menu .sub-menu a::before,
.nav .nav-menu .dropdown a::after,
.nav .nav-menu .dropdown a::before {
	display: none !important;
	content: none !important;
}

.nav .nav-menu .sub-menu li:last-child > a,
.nav .nav-menu .dd-col > a:last-child {
	border-bottom: none;
}

.nav .nav-menu .sub-menu a:hover,
.nav .nav-menu .dropdown a:hover {
	color: #0a6e6e;
}

/* 产品中心：桌面一行多列；手机端走手风琴（见下方 max-width:1100） */
.nav .nav-menu > li.nav-products > .dropdown--products {
	padding: 16px 24px;
	gap: 10px 16px;
	flex-wrap: nowrap;
	min-width: auto;
	max-width: 95vw;
	justify-content: center;
}

@media (min-width: 1101px) {
	.nav .nav-menu > li.nav-products > .dropdown--products > li {
		min-width: 85px;
		flex: 0 0 auto;
		text-align: center;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li > a {
		font-size: 15px;
		font-weight: 700;
		color: #1a1a2e;
		margin-bottom: 5px;
		padding: 0 0 4px;
		border-bottom: 2px solid #e8eaf0;
		white-space: nowrap;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li > a:hover {
		color: #0a6e6e;
	}

	/* 必须 inherit：若写死 visible/auto，父级隐藏时子菜单仍可命中鼠标，误触发产品下拉 */
	.nav .nav-menu > li.nav-products > .dropdown--products > li > .sub-menu {
		position: static;
		top: auto;
		left: auto;
		transform: none;
		opacity: 1;
		visibility: inherit;
		pointer-events: inherit;
		display: flex;
		flex-direction: column;
		flex-wrap: nowrap;
		gap: 0;
		min-width: 0;
		padding: 0;
		margin: 0;
		background: transparent;
		box-shadow: none;
		border: none;
		border-radius: 0;
		justify-content: flex-start;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li > .sub-menu a {
		font-size: 14px;
		font-weight: 500;
		color: #666;
		padding: 3px 0;
		border-bottom: none;
		text-align: center;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li > .sub-menu a:hover {
		color: #0a6e6e;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li > .nav-submenu-toggle {
		display: none;
	}
}

/* 解决方案：多列一级链接 */
.nav .nav-menu > li.nav-solutions > .dropdown--solutions {
	padding: 16px 24px;
	min-width: 260px;
	gap: 28px;
	justify-content: center;
}

.nav .nav-menu > li.nav-solutions > .dropdown--solutions .dd-col {
	min-width: 100px;
}

.nav .nav-menu > li.nav-solutions > .dropdown--solutions .dd-col > a {
	font-size: 15px;
	padding: 5px 0;
	border-bottom: 1px solid #f5f5f5;
}

.nav .nav-menu > li.nav-solutions > .dropdown--solutions .dd-col > a:last-child {
	border-bottom: none;
}

/* 普通下拉（关于 / 服务等）收窄 */
.nav .nav-menu > li:not(.nav-products):not(.nav-solutions) > .dropdown,
.nav .nav-menu > li:not(.nav-products):not(.nav-solutions) > .sub-menu {
	padding: 16px 24px;
	min-width: 180px;
	flex-direction: column;
	gap: 0;
}

.nav .nav-submenu-toggle {
	display: none;
}

/* 右侧：电话 + 留言 */
.nav-actions {
	display: flex;
	align-items: center;
	gap: 16px;
	flex-shrink: 0;
}

.nav-tels {
	display: flex;
	flex-direction: row;
	align-items: center;
	justify-content: flex-end;
	gap: 10px;
	line-height: 1.25;
	min-height: 40px;
}

.nav-tels__icon {
	display: block;
	width: 22px;
	height: 22px;
	object-fit: contain;
	flex-shrink: 0;
}

.nav-tels__list {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	justify-content: center;
	gap: 2px;
}

.nav-tels--single .nav-tels__list {
	justify-content: center;
}

.nav-tel {
	font-size: 15px;
	font-weight: 700;
	color: #0a6e6e;
	letter-spacing: 0.5px;
	white-space: nowrap;
	text-decoration: none;
}

.nav-tel:hover {
	color: #0a5e5e;
}

.btn-outline {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 10px 22px;
	font-size: 14px;
	font-weight: 600;
	color: #fff !important;
	white-space: nowrap;
	border-radius: 999px;
	background: linear-gradient(180deg, #0a6e6e 0%, #0a0e27 100%);
	box-shadow: 0 4px 14px rgba(10, 14, 39, 0.28);
	transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
	text-decoration: none;
	border: none;
	cursor: pointer;
}

.btn-outline:hover {
	transform: translateY(-1px);
	filter: brightness(1.08);
	box-shadow: 0 6px 18px rgba(10, 14, 39, 0.35);
	color: #fff !important;
}

.nav-toggle {
	display: none;
	width: 40px;
	height: 40px;
	background: none;
	border: 1px solid #e8eaf0;
	cursor: pointer;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 5px;
	padding: 0;
}

.nav-toggle span {
	display: block;
	width: 18px;
	height: 2px;
	background: #0a0e27;
}

.nav-overlay {
	display: none;
	position: fixed;
	inset: 0;
	background: rgba(10, 14, 39, 0.45);
	z-index: 250;
	opacity: 0;
	transition: opacity 0.3s;
	border: none;
	padding: 0;
	cursor: pointer;
}

body.nav-menu-open {
	overflow: hidden;
}

body.nav-menu-open .nav-overlay {
	display: block;
	opacity: 1;
}

body.admin-bar .nav-overlay {
	top: 32px;
}

/* ── 平板 / 手机：抽屉菜单（静态页无此项，仅窄屏保底） ── */
@media (max-width: 1100px) {
	.topbar {
		padding: 0 20px;
		gap: 16px;
	}

	.site-header .nav,
	#nav.nav {
		padding: 0 20px;
	}

	.nav .logo img {
		height: 42px;
	}

	.nav-tels {
		display: none;
	}

	.nav-toggle {
		display: flex;
	}

	.nav-drawer {
		display: flex;
		flex-direction: column;
		position: fixed;
		top: 0;
		left: 0;
		width: min(320px, 88vw);
		height: 100vh;
		height: 100dvh;
		background: #fff;
		z-index: 300;
		padding: 20px 0 24px;
		box-shadow: 4px 0 24px rgba(10, 14, 39, 0.12);
		transform: translateX(-100%);
		transition: transform 0.3s ease;
		overflow-y: auto;
	}

	body.admin-bar .nav-drawer {
		top: 32px;
		height: calc(100vh - 32px);
		height: calc(100dvh - 32px);
	}

	body.nav-menu-open .nav-drawer {
		transform: translateX(0);
	}

	.nav-drawer-head {
		display: flex;
		align-items: center;
		justify-content: flex-end;
		padding: 0 16px 14px;
		margin-bottom: 6px;
		border-bottom: 1px solid #e8eaf0;
	}

	.nav-drawer-close {
		width: 36px;
		height: 36px;
		border: 1px solid #e8eaf0;
		background: none;
		cursor: pointer;
		display: flex;
		align-items: center;
		justify-content: center;
		color: #0a0e27;
		padding: 0;
	}

	.nav .nav-menu {
		flex-direction: column;
		align-items: stretch;
		height: auto;
		padding: 8px 0;
		width: 100%;
	}

	.nav .nav-menu > li {
		height: auto;
		display: flex;
		flex-direction: row;
		flex-wrap: wrap;
		align-items: stretch;
		border-bottom: 1px solid #f0f2f5;
		position: relative;
	}

	.nav .nav-menu > li > a {
		height: auto;
		padding: 14px 20px;
		border-bottom: none;
		flex: 1 1 calc(100% - 48px);
		min-width: 0;
		max-width: calc(100% - 48px);
		box-sizing: border-box;
	}

	.nav .nav-menu > li.menu-item-has-children > a {
		padding-right: 8px;
	}

	.nav .nav-menu > li:hover > a,
	.nav .nav-menu > li.current-menu-item > a,
	.nav .nav-menu > li.current-menu-ancestor > a {
		border-bottom: none;
		background: #f7f8fc;
	}

	/* 手机端禁用桌面 hover 下拉，仅由 .submenu-open 控制 */
	.nav .nav-menu > li > .sub-menu,
	.nav .nav-menu > li > .dropdown,
	.nav .nav-menu > li:hover > .sub-menu,
	.nav .nav-menu > li:hover > .dropdown {
		position: static !important;
		top: auto !important;
		left: auto !important;
		right: auto !important;
		transform: none !important;
		opacity: 1 !important;
		visibility: visible !important;
		pointer-events: auto !important;
		box-shadow: none;
		border-radius: 0;
		border-top: none;
		padding: 0;
		display: none;
		min-width: 0;
		max-width: none;
		width: 100%;
		flex: 0 0 100%;
		flex-direction: column;
		flex-wrap: nowrap;
		gap: 0;
		justify-content: flex-start;
		background: #f7f8fc;
		z-index: auto;
	}

	.nav .nav-menu > li.submenu-open > .sub-menu,
	.nav .nav-menu > li.menu-item-has-children.submenu-open > .sub-menu,
	.nav .nav-menu > li.submenu-open > .dropdown,
	.nav .nav-menu > li.menu-item-has-children.submenu-open > .dropdown,
	.nav .nav-menu > li.submenu-open:hover > .sub-menu,
	.nav .nav-menu > li.submenu-open:hover > .dropdown {
		display: flex !important;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products,
	.nav .nav-menu > li.nav-solutions > .dropdown--solutions,
	.nav .nav-menu > li:not(.nav-products):not(.nav-solutions) > .dropdown,
	.nav .nav-menu > li:not(.nav-products):not(.nav-solutions) > .sub-menu {
		gap: 0;
		padding: 0;
		flex-wrap: nowrap;
		max-width: none;
		min-width: 0;
	}

	/* 二级 / 三级：统一列表项与箭头 */
	.nav .nav-menu .sub-menu > li,
	.nav .nav-menu .dropdown > li,
	#nav-links .sub-menu > li,
	#nav-links .dropdown > li {
		display: flex;
		flex-direction: row;
		flex-wrap: wrap;
		align-items: stretch;
		width: 100%;
		border-bottom: 1px solid rgba(10, 14, 39, 0.04);
	}

	.nav .nav-menu .sub-menu > li:last-child,
	.nav .nav-menu .dropdown > li:last-child,
	#nav-links .sub-menu > li:last-child,
	#nav-links .dropdown > li:last-child {
		border-bottom: none;
	}

	.nav .nav-menu .sub-menu > li > a,
	.nav .nav-menu .dropdown > li > a,
	#nav-links .sub-menu > li > a,
	#nav-links .dropdown > li > a {
		flex: 1 1 calc(100% - 48px);
		min-width: 0;
		max-width: calc(100% - 48px);
		text-align: left;
		padding: 12px 12px 12px 36px;
		border-bottom: none;
		white-space: normal;
		font-size: 14px;
		font-weight: 500;
		color: #444;
		box-sizing: border-box;
		margin: 0;
		height: auto;
		line-height: 1.4;
	}

	.nav .nav-menu .sub-menu > li:not(.menu-item-has-children) > a,
	.nav .nav-menu .dropdown > li:not(.menu-item-has-children) > a,
	#nav-links .sub-menu > li:not(.menu-item-has-children) > a,
	#nav-links .dropdown > li:not(.menu-item-has-children) > a {
		flex: 1 1 100%;
		max-width: 100%;
	}

	.nav .nav-menu .sub-menu > li.menu-item-has-children > a,
	.nav .nav-menu .dropdown > li.menu-item-has-children > a,
	#nav-links .sub-menu > li.menu-item-has-children > a,
	#nav-links .dropdown > li.menu-item-has-children > a {
		font-weight: 600;
		color: #2a2a4e;
	}

	/* 解决方案扁平链接（无 li 包裹时） */
	.nav .nav-menu .dropdown--solutions .dd-col > a,
	#nav-links .dropdown--solutions .dd-col > a {
		display: block;
		padding: 12px 12px 12px 36px;
		font-size: 14px;
		font-weight: 500;
		color: #444;
		text-align: left;
		border-bottom: none;
		white-space: normal;
	}

	.nav .nav-menu .dd-col {
		min-width: 0;
		width: 100%;
		text-align: left;
		padding: 0;
	}

	/* 三级默认收起 */
	.nav .nav-menu .sub-menu .sub-menu,
	.nav .nav-menu .dropdown .sub-menu,
	.nav .nav-menu .sub-menu li:hover > .sub-menu,
	.nav .nav-menu .dropdown li:hover > .sub-menu {
		display: none !important;
		position: static !important;
		transform: none !important;
		opacity: 1 !important;
		visibility: visible !important;
		pointer-events: auto !important;
		left: auto !important;
		top: auto !important;
		width: 100%;
		flex: 0 0 100%;
		flex-direction: column;
		gap: 0;
		padding: 0 0 6px;
		margin: 0;
		background: #eef1f6;
		box-shadow: none;
		border: none;
		border-radius: 0;
		min-width: 0;
	}

	.nav .nav-menu .sub-menu > li.submenu-open > .sub-menu,
	.nav .nav-menu .dropdown > li.submenu-open > .sub-menu,
	.nav .nav-menu .sub-menu > li.submenu-open:hover > .sub-menu,
	.nav .nav-menu .dropdown > li.submenu-open:hover > .sub-menu {
		display: flex !important;
	}

	.nav .nav-menu .sub-menu .sub-menu > li > a,
	.nav .nav-menu .dropdown .sub-menu > li > a {
		padding: 10px 12px 10px 48px;
		font-size: 13px;
		font-weight: 500;
		color: #666;
		max-width: 100%;
		flex-basis: 100%;
	}

	.nav .nav-submenu-toggle {
		display: flex;
		position: relative;
		flex: 0 0 48px;
		width: 48px;
		min-height: 48px;
		height: auto;
		align-self: stretch;
		align-items: center;
		justify-content: center;
		margin: 0;
		padding: 0;
		border: none;
		border-left: 1px solid #e8eaf0;
		background: #fff;
		color: #0a0e27;
		cursor: pointer;
		z-index: 2;
		-webkit-tap-highlight-color: transparent;
	}

	.nav .nav-menu .sub-menu .nav-submenu-toggle,
	.nav .nav-menu .dropdown .nav-submenu-toggle {
		display: flex !important;
		background: #f7f8fc;
		border-left-color: rgba(10, 14, 39, 0.06);
		min-height: 48px;
	}

	/* 产品一级分类：仅控制展开，间距与其它二级项共用规则 */
	.nav .nav-menu > li.nav-products > .dropdown--products > li {
		min-width: 0;
		flex: 0 0 auto;
		width: 100%;
		text-align: left;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li > .nav-submenu-toggle {
		display: flex !important;
		min-height: 48px;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li > .sub-menu {
		display: none !important;
		background: #eef1f6;
		text-align: left;
		padding: 0 0 6px;
	}

	.nav .nav-menu > li.nav-products > .dropdown--products > li.submenu-open > .sub-menu {
		display: flex !important;
		flex-direction: column;
	}

	.nav .nav-submenu-toggle span {
		display: block;
		width: 7px;
		height: 7px;
		border-right: 1.5px solid currentColor;
		border-bottom: 1.5px solid currentColor;
		transform: rotate(45deg);
		margin-top: -3px;
		transition: transform 0.2s ease;
		pointer-events: none;
	}

	.nav .menu-item-has-children.submenu-open > .nav-submenu-toggle {
		color: #0a6e6e;
		background: #f7f8fc;
	}

	.nav .nav-menu .sub-menu > li.submenu-open > .nav-submenu-toggle,
	.nav .nav-menu .dropdown > li.submenu-open > .nav-submenu-toggle {
		color: #0a6e6e;
		background: #eef1f6;
	}

	.nav .menu-item-has-children.submenu-open > .nav-submenu-toggle span {
		transform: rotate(-135deg);
		margin-top: 2px;
	}

	.nav .menu-item-has-children {
		position: relative;
	}
}

@media screen and (max-width: 782px) {
	body.admin-bar .nav-drawer {
		top: 46px;
		height: calc(100vh - 46px);
		height: calc(100dvh - 46px);
	}

	body.admin-bar .nav-overlay {
		top: 46px;
	}
}

@media screen and (max-width: 600px) {
	body.admin-bar .nav-drawer {
		top: 0;
		height: 100vh;
		height: 100dvh;
	}

	body.admin-bar .nav-overlay {
		top: 0;
	}

	.topbar {
		height: 32px;
		padding: 0 14px;
		gap: 10px;
		font-size: 13px;
		justify-content: flex-end;
	}

	.topbar .divider:last-child {
		display: none;
	}

	.btn-outline {
		padding: 8px 14px;
		font-size: 13px;
	}
}