* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

@font-face {
	font-family: 'IBMPlexSansSC-Light';
	src: url('https://junhe.oss-cn-beijing.aliyuncs.com/guge/fonts/IBMPlexSansSC-Light.woff2') format('woff2');
	font-weight: 300;
	font-style: normal;
	font-display: swap;
}

@font-face {
	font-family: 'IBMPlexSansSC-ExtraLight';
	src: url('https://junhe.oss-cn-beijing.aliyuncs.com/guge/fonts/IBMPlexSansSC-ExtraLight.woff2') format('woff2');
	font-weight: 200;
	font-style: normal;
	font-display: swap;
}

html {
	background-color: #ffffff;
}

body {
	font-family: "IBMPlexSansSC-Light", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
	font-size: 100%;
	font-weight: 300;
	font-synthesis: none;
	overflow-x: hidden;
	background-color: #ffffff;
}

/* fetch 注入顶栏前预留高度，与 .header / .header-box 一致（勿用 px clamp，避免小于根字号时多出空白） */
#header-container {
	min-height: 0.7rem;
}

ul,
ol,
li {
	list-style: none !important;
	list-style-type: none !important;
	margin: 0 !important;
	padding: 0 !important;
}

a,
button,
[role="button"],
[onclick] {
	cursor: pointer;
}

a {
	text-decoration: none;
}

/* ── Header ── */

.header {
	width: 100%;
	height: 0.7rem;
	position: relative;
}

.header-content {
	width: 100%;
	height: 0.7rem;
	padding: 0 0.5rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: #FFFFFF;
	border-bottom: 0.01rem solid #F5F5F5;
	position: fixed !important;
	top: 0 !important;
	left: 0;
	z-index: 1000;
	transform: none !important;
}

.header-box {
	height: 0.7rem;
}

.header-content-left {
	display: flex;
	align-items: center;
}

.logo {
	display: flex;
	align-items: center;
	width: 1.73rem;
	height: 0.36rem;
	flex-shrink: 0;
}

.logo .logo-img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.header-divider {
	width: 0.01rem;
	height: 0.25rem;
	background: #E1E1E1;
	margin-left: clamp(32px, 0.475rem, 44px);
	flex-shrink: 0;
}

.nav {
	display: flex;
	align-items: center;
	margin-left: clamp(32px, 0.475rem, 44px);
	gap: clamp(36px, 0.56rem, 52px);
}

.nav .nav-link {
	display: flex;
	align-items: center;
	text-decoration: none;
	font-size: 0.2rem;
	font-weight: 450;
	color: #000000;
	white-space: nowrap;
}

/* 2K 等宽视口（约 ≥2000 CSS px）：在 rem 随视口放大基础上，主导航与电话再略增一档 */
@media (min-width: 2000px) {
	.nav .nav-link {
		font-size: 0.23rem;
	}

	.header-phone {
		font-size: 0.25rem;
	}
}

.header-phone {
	display: flex;
	align-items: center;
	font-size: 0.22rem;
	font-weight: 700;
	/* body 为 font-synthesis: none 且仅加载 Light，需在此允许加粗合成 */
	font-synthesis: weight;
	color: #FE0000;
	margin-left: auto;
	white-space: nowrap;
}

.phone-img {
	width: 0.18rem;
	height: 0.18rem;
	margin-right: 0.05rem;
}

/* ── Mobile menu toggle ── */

.menu-toggle {
	display: none;
	flex-direction: column;
	justify-content: space-between;
	width: 0.3rem;
	height: 0.2rem;
	cursor: pointer;
	z-index: 1001;
}

.menu-toggle span {
	width: 100%;
	height: 0.02rem;
	background-color: #000;
	transition: all 0.3s ease;
}

/* ── Navigation dropdown ── */
/* 与顶栏重叠一块命中区，避免鼠标从「业务」移入下拉时经过缝隙导致 :hover 丢失、菜单瞬间收起 */
:root {
	/* 下拉区与卡片随 rem 缩放；1920 下 1rem≈100px */
	/* 小屏 rem 较小时仍保留足够「过桥」宽度，避免从「业务」移入面板时掉出 :hover */
	--nav-dropdown-overlap: max(12px, 0.2rem);
	/* Figma 面板：1820 × 592（1920 视口） */
	--nav-dropdown-panel-w: 18.2rem;
	--nav-dropdown-panel-h: 5.92rem;
	/* 业务下拉：全宽贴左，勿用通用 .container（易被 margin:0 auto 居中） */
	/* Figma: 左内边距 102px@3840 → 51px@1920 */
	--nav-panel-pad-x: 0.51rem;
	--nav-panel-pad-top: 0.55rem;
	/* 左栏与右侧分割线/卡片区：Figma 中 46 + 2 + 118 → 0.83rem（@1920） */
	--nav-panel-inner-gap: 0.83rem;
	/* 左侧文案区宽 722px@3840 → 361px@1920 */
	--nav-left-w: 3.61rem;
	/* 卡片列间距 120px@3840 → 60px；行间距 102px@3840 → 51px */
	--nav-card-gap-x: 0.6rem;
	--nav-card-gap-y: 0.51rem;
	--nav-header-h: 0.7rem;
}

.navigation {
	width: 100%;
	box-sizing: border-box;
	height: calc(var(--nav-dropdown-panel-h) + var(--nav-dropdown-overlap));
	padding-top: var(--nav-dropdown-overlap);
	background: transparent;
	position: fixed;
	left: 0;
	top: calc(var(--nav-header-h) - var(--nav-dropdown-overlap));
	z-index: 9999;
	border-top: none;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translateY(-0.08rem);
	transition: opacity 280ms ease, transform 280ms ease, visibility 0s linear 280ms;
	overflow-x: hidden;
}

.navigation.is-open {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateY(0);
	transition: opacity 280ms ease, transform 280ms ease, visibility 0s;
}

.header:has(.nav-link-business:hover) .navigation,
.header:has(.navigation:hover) .navigation {
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: translateY(0);
	transition: opacity 280ms ease, transform 280ms ease, visibility 0s;
}

.nav-link-business {
	cursor: pointer;
}

.nav-link-business .select {
	width: 0.20rem;
	height: auto;
	margin-left: 0.05rem;
	transform: translateY(0.01rem);
	transition: transform 280ms ease;
}

.nav-link-business.is-open .select {
	transform: translateY(0.01rem) rotate(180deg);
}

.header:has(.nav-link-business:hover) .nav-link-business .select,
.header:has(.navigation:hover) .nav-link-business .select {
	transform: translateY(0.01rem) rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
	.navigation {
		transition: none;
	}

	.nav-link-business .select {
		transition: none;
	}

	.navigation .navigation-list > a {
		transition: none;
	}

	.navigation .navigation-list > a:hover {
		box-shadow: none;
	}
}

.navigation .navigation-panel {
	width: var(--nav-dropdown-panel-w);
	max-width: var(--nav-dropdown-panel-w);
	/* 贴齐视口左侧，抵消任意全局 .container 的 margin:auto */
	margin-left: auto;
	margin-right: auto;
	min-height: var(--nav-dropdown-panel-h);
	height: var(--nav-dropdown-panel-h);
	display: flex;
	align-items: flex-start;
	justify-content: flex-start;
	gap: var(--nav-panel-inner-gap);
	padding-left: var(--nav-panel-pad-x);
	padding-right: var(--nav-panel-pad-x);
	padding-top: var(--nav-panel-pad-top);
	border: 0.01rem solid #E6E6E6;
	border-top: none;
	border-radius: 0;
	background: #ffffff;
	/* 顶边与顶栏衔接：去掉上描边；负 spread 削弱阴影向上溢出，避免顶缘一条「灰线」感 */
	box-shadow: 0 0.12rem 0.36rem -0.08rem rgba(0, 0, 0, 0.12);
	box-sizing: border-box;
	min-width: 0;
}

.navigation .navigation-left {
	flex: 0 0 var(--nav-left-w);
	width: var(--nav-left-w);
	height: auto;
	min-height: calc(var(--nav-dropdown-panel-h) - var(--nav-panel-pad-top));
	align-self: stretch;
	display: flex;
	flex-direction: column;
	justify-content: flex-start;
	/* Figma 分割线 2px@3840 → 1px@1920 已含在 0.02rem */
	border-right: 0.02rem solid #E6E6E6;
	/* 文案与分割线之间的空隙：46px@3840 → 0.23rem */
	padding-left: 0;
	padding-right: 0.23rem;
	box-sizing: border-box;
	margin-right: 0;
}

.navigation .navigation-left .navigation-title {
	font-weight: 300;
	/* 128px / 160px 行高 @3840 → 64px / 80px @1920 */
	font-size: 0.64rem;
	color: #000000;
	line-height: 0.8rem;
}

/* 每个子标签内不换行（允许标题/描述仍分多行展示） */
.navigation .navigation-left .navigation-title > div,
.navigation .navigation-left .navigation-desc > div {
	white-space: nowrap;
}

.navigation .navigation-left .navigation-desc {
	font-weight: 300;
	font-size: 0.26rem;
	color: #000000;
	line-height: 0.34rem;
	/* 标题块到描述：72px@3840 → 0.36rem */
	margin-top: 0.36rem;
}

.navigation .navigation-left .navigation-phone {
	/* 描述到电话区：252px@3840 → 1.26rem */
	margin-top: 1.26rem;
	display: flex;
	align-items: center;
}

.navigation .navigation-left .navigation-phone img {
	width: 0.39rem;
	height: 0.39rem;
	/* Figma 图标与文字约 38px@1920 */
	margin-right: 0.19rem;
	margin-top: 0;
}

.navigation .navigation-left .navigation-phone .navigation-phone-value {
	font-size: 0.3rem;
	color: #333333;
	line-height: 0.3rem;
	white-space: nowrap;
	font-weight: 700;
	font-synthesis: weight;
}

.navigation .navigation-left .navigation-phone .navigation-phone-label {
	font-size: 0.16rem;
	color: #333333;
	line-height: 0.3rem;
	white-space: nowrap;
}

.navigation .navigation-list {
	flex: 1;
	width: auto;
	min-width: 0;
	display: grid;
	/* Figma 卡片：384×216，3 列 */
	grid-template-columns: repeat(3, 3.84rem);
	grid-auto-rows: 2.16rem;
	column-gap: var(--nav-card-gap-x);
	row-gap: var(--nav-card-gap-y);
	margin-left: 0;
	align-content: flex-start;
	justify-content: flex-start;
	justify-items: start;
}

.navigation .navigation-list > a {
	display: block;
	width: 3.84rem;
	max-width: 3.84rem;
	height: 2.16rem;
	border-radius: 0;
	transition: box-shadow 0.28s ease;
	position: relative;
	overflow: hidden;
	aspect-ratio: auto;
}

.navigation .navigation-list > a:hover {
	box-shadow: 0 0.06rem 0.2rem rgba(0, 0, 0, 0.1);
}

.navigation .navigation-list > a:focus-visible {
	outline: 0.02rem solid #fe0000;
	outline-offset: 0.03rem;
}

/* Figma 卡片图 768×432@1920，随列宽缩放以铺满右侧栅格 */
.navigation .navigation-list-img {
	width: 100%;
	height: auto;
	aspect-ratio: 768 / 432;
	display: block;
	object-fit: contain;
}

.navigation .navigation-card-bg {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.navigation .navigation-card-content {
	position: absolute;
	inset: 0;
	padding: 0.19rem 0.21rem;
	display: flex;
	flex-direction: column;
	color: #ffffff;
	background: linear-gradient(180deg, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.38) 100%);
}

.navigation .navigation-card-title {
	font-size: 0.4rem;
	line-height: 1;
	font-weight: 300;
	margin: 0;
	color: #ffffff;
}

.navigation .navigation-card-desc {
	margin-top: 0.16rem;
	font-size: 0.16rem;
	line-height: 1.22;
	font-weight: 400;
	color: #ffffff;
	letter-spacing: 0.0064rem;
	flex: 1;
	max-width: 3.25rem;
}

.navigation .navigation-card-desc > div {
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.navigation .navigation-card-arrow {
	width: 0.27rem;
	height: 0.13rem;
	position: absolute;
	right: 0.64rem;
	bottom: 0.24rem;
	flex-shrink: 0;
}

.navigation .navigation-item--legacy {
	display: none !important;
}

.navigation .navigation-item {
	width: 100%;
	height: clamp(146px, 1.67rem, 260px);
	border: 0.01rem solid #E4E4E4;
	margin: 0;
}

.navigation .navigation-item:hover {
	background: #E4E4E4;
	cursor: pointer;
}

.navigation .navigation-item .navigation-icon {
	width: 0.6rem;
	height: 0.6rem;
	margin-left: 0.31rem;
	margin-top: 0.26rem;
	display: block;
}

.navigation .navigation-item .navigation-item-btn {
	padding: 0 0.31rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-size: 0.24rem;
	color: #101010;
}

.navigation .navigation-item .navigation-arrow {
	width: 0.16rem;
	height: 0.12rem;
}

#pc-scale {
	display: none;
}

/* ── Responsive ── */

@media (max-width: 768px) {
	.menu-toggle {
		display: flex;
	}

	.header-divider {
		display: none;
	}

	.nav {
		position: fixed;
		top: 0.7rem;
		left: 0;
		width: 100%;
		height: auto;
		flex-direction: column;
		align-items: flex-start;
		background: #FFFFFF;
		padding: 1rem;
		box-shadow: 0 0.05rem 0.1rem rgba(0, 0, 0, 0.1);
		transform: translateX(-100%);
		transition: transform 0.3s ease;
		z-index: 999;
		margin-left: 0;
		gap: 0;
	}

	.nav.active {
		transform: translateX(0);
	}

	.nav .nav-link {
		margin: 0.2rem 0;
		width: 100%;
		padding: 0.1rem 0;
	}

	.header-phone {
		display: none;
	}

	.navigation {
		position: static;
		top: auto;
		height: auto;
		padding-top: 0;
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		transform: none;
		border-top: none;
		margin-top: 0.2rem;
		transition: none;
	}

	.navigation .navigation-panel {
		width: 100%;
		max-width: none;
		margin-left: 0;
		margin-right: 0;
		height: auto;
		flex-direction: column;
		align-items: flex-start;
		padding: 1rem 0.24rem;
		box-sizing: border-box;
		border-top: none;
	}

	.navigation .navigation-left {
		border-right: none;
		padding-right: 0;
		margin-bottom: 1rem;
	}

	.navigation .navigation-list {
		width: 100%;
		display: flex;
		flex-direction: column;
		align-items: stretch;
		margin-top: 0;
		margin-left: 0;
		row-gap: var(--nav-card-gap-y);
	}

	.navigation .navigation-list-img {
		width: 100%;
		max-width: 100%;
		height: auto;
		aspect-ratio: 768 / 432;
		margin: 0 auto;
	}

	.navigation .navigation-item {
		width: 100%;
		margin: 0.1rem 0;
	}
}