/* 全站右上角抽屉导航（与 mobile-header 配合） */
.site-nav-overlay {
	display: none;
	position: fixed;
	inset: 0;
	z-index: 10000;
}
.site-nav-overlay.is-open {
	display: block;
}
.site-nav-backdrop {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.9);
}
.site-nav-panel {
	position: relative;
	z-index: 1;
	min-height: 100%;
	box-sizing: border-box;
	padding: 6.25rem 0.75rem 2rem;
	display: flex;
	flex-direction: column;
	align-items: center;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
}
/* 仅主菜单链为整行样式；语言切换区内的 <a> 不继承此规则 */
.site-nav-panel > a {
	width: 15.625rem;
	max-width: 92vw;
	padding: 1rem 0;
	border-bottom: 0.0625rem solid rgba(216, 216, 216, 0.55);
	color: #fff;
	text-decoration: none;
	font-size: 1rem;
	display: flex;
	align-items: center;
	justify-content: flex-start;
}
.site-nav-panel > a .nav-label,
.site-nav-row .nav-label,
.site-nav-panel a.site-nav-sub .nav-label {
	flex: 1 1 auto;
	min-width: 0;
	text-align: left;
	font-size: 1.125rem;
	font-weight: 600;
}
/* 产品：默认折叠子菜单，右侧 + 展开 */
.site-nav-item--products {
	width: 15.625rem;
	max-width: 92vw;
	border-bottom: 0.0625rem solid rgba(216, 216, 216, 0.55);
	box-sizing: border-box;
}
.site-nav-row {
	width: 100%;
	padding: 1rem 0;
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
	box-sizing: border-box;
}
.site-nav-row .nav-label {
	flex: 1 1 auto;
	text-align: left;
	min-width: 0;
}
.site-nav-expand {
	flex: 0 0 auto;
	width: 1.75rem;
	height: 1.75rem;
	margin: 0;
	padding: 0;
	border: 0.0625rem solid rgba(255, 255, 255, 0.45);
	border-radius: 0.25rem;
	background: transparent;
	color: #fff;
	font-size: 1.125rem;
	line-height: 1;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	-webkit-tap-highlight-color: transparent;
}
.site-nav-expand:focus-visible {
	outline: 2px solid rgba(255, 255, 255, 0.6);
	outline-offset: 2px;
}
.site-nav-item--products.is-expanded .site-nav-expand-icon {
	display: inline-block;
	transform: rotate(45deg);
}
.site-nav-submenu {
	display: none;
	width: 100%;
	box-sizing: border-box;
}
.site-nav-item--products.is-expanded .site-nav-submenu {
	display: block;
}
.site-nav-panel a.site-nav-sub {
	width: 100%;
	max-width: none;
	padding: 0.75rem 0;
	border-bottom: 0.0625rem solid rgba(216, 216, 216, 0.25);
	color: #fff;
	text-decoration: none;
	display: flex;
	align-items: center;
	justify-content: flex-start;
	box-sizing: border-box;
}
.site-nav-panel a.site-nav-sub:last-child {
	border-bottom: 0;
	padding-bottom: 0.5rem;
}
.site-nav-panel a.site-nav-sub .nav-label {
	font-size: 0.9375rem;
	font-weight: 500;
}
.mobile-header .navs#siteNavToggle {
	cursor: pointer;
	-webkit-tap-highlight-color: transparent;
}

.site-nav-panel .site-nav-lang-switch {
	margin-top: 1.25rem;
	display: flex;
	flex-direction: row;
	flex-wrap: nowrap;
	align-items: center;
	justify-content: center;
	gap: 0.25rem;
	width: 15.625rem;
	max-width: 92vw;
	box-sizing: border-box;
	color: #fff;
	font-size: 0.9375rem;
	line-height: 1.4;
	white-space: nowrap;
}
.site-nav-panel .site-nav-lang-switch a {
	display: inline;
	padding: 0 0.25rem;
	margin: 0;
	border: 0;
	border-bottom: none;
	width: auto;
	max-width: none;
	color: #fff;
	text-decoration: underline;
	font-weight: 500;
	flex: 0 0 auto;
}
.site-nav-panel .site-nav-lang-switch .site-nav-lang-sep {
	opacity: 0.75;
	padding: 0;
	flex: 0 0 auto;
}