:root {
	--primary: #b83e43;
	--primary-dark: #842c36;
	--primary-light: #f0b0b0;
	--bg-light: #fff5f3;
	--ink: #32292b;
	--muted: #756568;
	--line: #eadcdd;
	--white: #ffffff;
	--radius: 12px;
	--max-width: 1180px;
}
* {
	box-sizing: border-box;
}
html {
	scroll-behavior: smooth;
	scroll-padding-top: 100px;
}
body {
	margin: 0;
	color: var(--ink);
	background: var(--white);
	font: 16px/1.85 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}
a {
	color: inherit;
	text-decoration: none;
}
button, input {
	font: inherit;
}
button, summary {
	cursor: pointer;
}
button {
	border: 0;
}
img {
	max-width: 100%;
	height: auto;
}
button:focus-visible, a:focus-visible, summary:focus-visible {
	outline: 3px solid var(--primary);
	outline-offset: 4px;
}
[hidden] {
	display: none !important;
}
.shell {
	width: min(var(--max-width), calc(100% - 48px));
	margin: auto;
}
.skip-link {
	position: fixed;
	top: -100px;
	left: 20px;
	z-index: 100;
	padding: 12px;
	background: #fff;
}
.skip-link:focus {
	top: 10px;
}
.site-header {
	position: sticky;
	top: 0;
	z-index: 30;
	background: rgba(255, 255, 255, .97);
	border-bottom: 1px solid var(--line);
}
.nav-wrap {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	min-height: 84px;
}
.brand {
	display: inline-flex;
	align-items: center;
	flex-shrink: 0;
}
.brand img {
	width: 145px;
	height: auto;
	display: block;
}
.main-nav ul {
	display: flex;
	align-items: center;
	gap: 22px;
	list-style: none;
	margin: 0;
	padding: 0;
}
.main-nav a {
	display: block;
	font-size: 14px;
	padding: 26px 0;
	color: var(--muted);
}
.main-nav a:hover, .main-nav a.active {
	color: var(--primary);
}
.nav-item {
	position: relative;
}
.main-nav .nav-sub {
	display: none;
	position: absolute;
	top: 100%;
	left: -20px;
	min-width: 160px;
	padding: 12px 20px;
	background: white;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	box-shadow: 0 12px 30px rgba(82, 42, 45, .08);
}
.main-nav .nav-sub a {
	padding: 6px 0;
}
.nav-item:hover .nav-sub, .nav-item:focus-within .nav-sub {
	display: block;
}
.button-main, .button-ghost, .nav-cta {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 12px 22px;
	border: 1px solid var(--primary);
	border-radius: 4px;
	font-size: 14px;
	font-weight: 600;
	transition: background .2s, transform .2s;
}
.button-main, .nav-cta {
	background: var(--primary);
	color: #fff;
}
.button-ghost {
	background: transparent;
	color: var(--primary);
}
.button-main:hover, .nav-cta:hover {
	background: var(--primary-dark);
	transform: translateY(-2px);
}
.button-ghost:hover {
	background: var(--bg-light);
}
.nav-cta {
	padding: 9px 15px;
	white-space: nowrap;
}
.hamburger {
	display: none;
	width: 44px;
	height: 44px;
	background: var(--bg-light);
	color: var(--primary);
	font-size: 23px;
	border-radius: 4px;
}
.eyebrow {
	display: block;
	color: var(--primary);
	font-size: 12px;
	letter-spacing: .12em;
	font-weight: 700;
}
.section {
	padding: 82px 0;
}
.tinted {
	background: var(--bg-light);
}
.section-heading {
	max-width: 730px;
	margin-bottom: 34px;
}
h1, h2, h3 {
	line-height: 1.45;
	letter-spacing: -.02em;
}
h2 {
	font-size: clamp(25px, 3vw, 36px);
	margin: 10px 0 16px;
}
h3 {
	font-size: 21px;
	margin: 14px 0 10px;
}
p {
	margin: 0 0 18px;
}
.section-heading p, .card p, .split p, .lead, .page-intro {
	color: var(--muted);
}
.feature-grid, .review-grid, .news-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}
.card {
	padding: 30px;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: #fff;
}
.card p:last-child {
	margin-bottom: 0;
}
.feature-no {
	color: var(--primary);
	font-size: 12px;
	letter-spacing: .12em;
}
.text-link {
	display: inline-block;
	color: var(--primary);
	font-size: 14px;
	font-weight: 600;
	margin-top: 12px;
}
.text-link:hover {
	text-decoration: underline;
}
.split {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 64px;
	align-items: start;
}
.steps {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 18px;
}
.steps .card {
	padding: 25px;
}
.steps b {
	display: block;
	font-size: 28px;
	font-weight: 400;
	color: var(--primary);
}
.notice {
	border-left: 3px solid var(--primary-light);
	padding: 18px 24px;
	background: var(--bg-light);
	color: var(--muted);
	font-size: 14px;
}
.faq-item {
	border: 1px solid var(--line);
	border-radius: 8px;
	margin-bottom: 12px;
	background: #fff;
}
.faq-item summary {
	padding: 18px 22px;
	font-weight: 600;
	list-style: none;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
}
.faq-item summary::-webkit-details-marker {
	display: none;
}
.faq-item summary::after {
	content: "+";
	color: var(--primary);
	font-size: 23px;
}
.faq-item[open] summary::after {
	content: "−";
}
.faq-answer {
	padding: 0 22px 20px;
	color: var(--muted);
}
.faq-answer p {
	margin-bottom: 0;
}
.review-person {
	display: flex;
	gap: 12px;
	align-items: center;
	margin-bottom: 20px;
}
.review-person img {
	width: 48px;
	height: 48px;
	border-radius: 50%;
}
.review-person strong, .review-person time {
	display: block;
}
.review-person time, .sample-label, .article-meta, .news-date {
	font-size: 12px;
	color: var(--muted);
}
.sample-label {
	display: block;
	margin-top: 16px;
	color: var(--primary);
}
.news-card {
	display: flex;
	flex-direction: column;
	padding: 28px;
	border: 1px solid var(--line);
	background: #fff;
	border-radius: var(--radius);
}
.news-card h2, .news-card h3 {
	font-size: 20px;
}
.news-card p {
	color: var(--muted);
	font-size: 14px;
}
.news-card .text-link {
	margin-top: auto;
}
.news-card:hover h3 {
	color: var(--primary);
}
.cta-banner {
	background: var(--primary-dark);
	color: #fff;
	padding: 54px 0;
}
.cta-banner .eyebrow {
	color: var(--primary-light);
}
.cta-inner {
	display: flex;
	justify-content: space-between;
	gap: 40px;
	align-items: center;
}
.cta-inner h2 {
	margin-bottom: 0;
}
.cta-banner .button-main {
	background: white;
	border-color: white;
	color: var(--primary-dark);
	flex-shrink: 0;
}
.site-footer {
	background: #2d2527;
	color: #eadcdd;
	padding: 48px 0 24px;
}
.footer-grid {
	display: grid;
	grid-template-columns: 1.5fr 1fr 1fr 1fr;
	gap: 36px;
}
.footer-grid p {
	font-size: 14px;
	color: #c8b6bb;
	margin-top: 18px;
}
.footer-grid strong, .footer-grid a:not(.brand) {
	display: block;
	margin-bottom: 10px;
}
.footer-grid a:not(.brand) {
	font-size: 14px;
	color: #c8b6bb;
}
.footer-grid a:hover {
	color: #fff;
}
.footer-bottom {
	border-top: 1px solid #534348;
	margin-top: 32px;
	padding-top: 20px;
	font-size: 12px;
	color: #b6a4a9;
}
.lanmu-section-header {
	padding: 55px 0;
	background: var(--bg-light);
	border-bottom: 1px solid var(--line);
}
.lanmu-section-header h1 {
	font-size: clamp(28px, 4vw, 44px);
	margin: 12px 0 18px;
}
.lanmu-section-header p {
	max-width: 900px;
	color: var(--muted);
	margin-bottom: 0;
}
.breadcrumb {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	font-size: 13px;
	color: var(--muted);
	padding-top: 22px;
	padding-bottom: 22px;
}
.breadcrumb a:hover {
	color: var(--primary);
}
.page-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 280px;
	gap: 40px;
	padding: 26px 0 72px;
}
.page-sidebar {
	min-width: 0;
}
.sidebar-card {
	border: 1px solid var(--line);
	border-radius: var(--radius);
	padding: 24px;
	margin-bottom: 20px;
}
.sidebar-card h2, .sidebar-card h3 {
	font-size: 18px;
	margin-top: 0;
}
.like-item {
	padding: 14px 0;
	border-top: 1px solid var(--line);
	font-size: 14px;
}
.like-item time {
	display: block;
	color: var(--muted);
	font-size: 12px;
}
.page-main .news-grid {
	grid-template-columns: repeat(2, 1fr);
}
.pagebar {
	margin-top: 30px;
}
.pagination {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	font-size: 13px;
}
.pagination a, .pagination span {
	padding: 6px 12px;
	border: 1px solid var(--line);
	border-radius: 4px;
}
.page-num-current {
	color: var(--primary);
	background: var(--bg-light);
}
.article-content {
	font-size: 17px;
	line-height: 2;
	overflow-wrap: anywhere;
}
.article-content h2 {
	font-size: 26px;
	margin-top: 35px;
}
.article-content a {
	color: var(--primary);
	text-decoration: underline;
}
.article-meta {
	display: flex;
	gap: 20px;
	margin-bottom: 28px;
	padding-bottom: 20px;
	border-bottom: 1px solid var(--line);
}
.article-nav {
	border-top: 1px solid var(--line);
	margin-top: 35px;
	padding-top: 20px;
	display: grid;
	gap: 12px;
	font-size: 14px;
}
.anchor-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 32px;
}
.anchor-nav a {
	border: 1px solid var(--line);
	padding: 8px 18px;
	border-radius: 4px;
	font-size: 14px;
}
.anchor-nav a:hover {
	color: var(--primary);
	border-color: var(--primary);
}
.editorial-section {
	padding: 36px 0;
	border-top: 1px solid var(--line);
}
.editorial-section p {
	max-width: 900px;
	color: var(--muted);
}
.editorial-section .feature-grid p {
	font-size: 15px;
}
.reading-width {
	max-width: 900px;
}
.download-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 24px;
	margin: 32px 0;
}
.download-grid .card {
	border-top: 3px solid var(--primary);
}
.mobile-float-bar, .mobile-float-popup, .mobile-float-overlay {
	display: none;
}
.back-to-top {
	position: fixed;
	bottom: 28px;
	right: 24px;
	width: 44px;
	height: 44px;
	background: var(--white);
	border: 1px solid var(--line);
	color: var(--primary);
	border-radius: 50%;
	z-index: 25;
}
@font-face {
	font-family: "Spring Icons";
	src: url("/skin/webfonts/fa-solid-900.woff2") format("woff2");
	font-weight: 900;
	font-display: swap;
}
.home-icon {
	font-family: "Spring Icons";
	font-style: normal;
	font-weight: 900;
	color: var(--primary);
	font-size: 24px;
	display: block;
	margin: 16px 0;
}
.icon-chat::before {
	content: "\f086";
}
.icon-book::before {
	content: "\f02d";
}
.icon-pen::before {
	content: "\f304";
}
@media (max-width: 1100px) {
	.main-nav ul {
		gap: 14px;
	}
	.brand img {
		width: 125px;
	}
}
@media (max-width: 900px) {
	.nav-wrap {
		min-height: 70px;
		gap: 12px;
	}
	.nav-cta {
		margin-left: auto;
	}
	.hamburger {
		display: block;
	}
	.main-nav {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		max-height: calc(100dvh - 80px);
		overflow: auto;
		background: #fff;
		border-bottom: 1px solid var(--line);
		padding: 16px 24px;
	}
	.main-nav.is-open, .main-nav ul {
		display: block;
	}
	.main-nav a {
		padding: 11px 0;
	}
	.main-nav .nav-sub {
		display: block;
		position: static;
		box-shadow: none;
		border: 0;
		padding: 0 20px;
	}
	.split, .page-layout {
		grid-template-columns: 1fr;
		gap: 32px;
	}
	.steps {
		grid-template-columns: repeat(2, 1fr);
	}
	.feature-grid, .review-grid, .news-grid {
		grid-template-columns: 1fr;
	}
	.footer-grid {
		grid-template-columns: 1fr 1fr;
	}
	body {
		padding-bottom: calc(76px + env(safe-area-inset-bottom));
	}
	.mobile-float-bar {
		display: block;
		position: fixed;
		bottom: 0;
		left: 0;
		right: 0;
		padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
		background: rgba(255, 255, 255, .98);
		border-top: 1px solid var(--line);
		z-index: 50;
	}
	.btn-float-experience {
		width: 100%;
		padding: 10px 20px;
		background: var(--primary);
		color: #fff;
		border-radius: 4px;
		font-weight: 600;
	}
	.mobile-float-overlay.is-open {
		display: block;
		position: fixed;
		inset: 0;
		background: rgba(35, 18, 23, .42);
		z-index: 55;
	}
	.mobile-float-popup.is-open {
		display: block;
		position: fixed;
		left: 20px;
		right: 20px;
		bottom: calc(28px + env(safe-area-inset-bottom));
		padding: 28px;
		background: #fff;
		border-radius: 16px;
		z-index: 60;
	}
	.mobile-float-popup h2 {
		font-size: 23px;
		margin-top: 0;
	}
	.mobile-float-popup .button-main, .mobile-float-popup .button-ghost {
		display: flex;
		margin-top: 12px;
	}
	.popup-close {
		position: absolute;
		top: 12px;
		right: 14px;
		font-size: 24px;
		background: transparent;
		color: var(--muted);
	}
	.back-to-top {
		bottom: calc(94px + env(safe-area-inset-bottom));
		right: 14px;
	}
}
@media (max-width: 480px) {
	.shell {
		width: calc(100% - 32px);
	}
	.brand img {
		width: 120px;
	}
	.nav-cta {
		font-size: 12px;
		padding: 8px 10px;
	}
	.section {
		padding: 54px 0;
	}
	.card, .news-card {
		padding: 24px;
	}
	.steps, .download-grid, .page-main .news-grid {
		grid-template-columns: 1fr;
	}
	.footer-grid {
		gap: 24px;
	}
	.footer-grid > div:first-child {
		grid-column: 1 / -1;
	}
	.cta-inner {
		display: block;
	}
	.cta-inner .button-main {
		margin-top: 25px;
	}
}
@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
	* {
		transition: none !important;
	}
}

/* 首页与内容页的本地场景素材 */
.story-cover {
	display: block;
	width: 100%;
	height: 180px;
	object-fit: cover;
}
.intro-cover {
	display: block;
	width: 100%;
	height: 240px;
	object-fit: cover;
	border-radius: 10px;
	margin-bottom: 24px;
}
.scene-cover {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 144 / 101;
	object-fit: cover;
	border-radius: 8px;
	margin-bottom: 20px;
}
.about-brand-panel {
	padding: 36px;
	margin: 30px 0;
	border: 1px solid var(--line);
	border-radius: 14px;
	background: linear-gradient(120deg, #fff, #fff0ed);
	text-align: center;
}
.about-brand-panel img {
	display: block;
	width: min(100%, 360px);
	height: auto;
	margin: 0 auto 20px;
}
.about-brand-panel p {
	margin: 0;
	color: var(--primary);
}
.editorial-visual {
	margin: 30px 0;
}
.editorial-cover {
	display: block;
	width: 100%;
	max-height: 340px;
	object-fit: cover;
	border-radius: 12px;
}
.editorial-visual figcaption {
	margin-top: 12px;
	font-size: 13px;
	color: var(--muted);
}
@media (max-width: 600px) {
	.story-cover {
		height: 150px;
	}
	.intro-cover {
		height: 210px;
	}
	.about-brand-panel {
		padding: 24px;
	}
}

/* 资讯图文列表：桌面每行两条，卡片内图片在上 */
.news-feed {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 24px;
}
.news-list-card {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	align-content: start;
	gap: 20px;
	padding: 24px;
	border: 1px solid var(--line);
	border-radius: 12px;
	background: #fff;
}
.news-list-image {
	display: block;
	align-self: start;
	overflow: hidden;
	border-radius: 8px;
}
.news-list-image img, .home-news-image img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 16 / 10;
	object-fit: cover;
}
.news-list-body h2 {
	font-size: 21px;
	line-height: 1.55;
	margin: 10px 0;
}
.news-list-body p {
	font-size: 14px;
	color: var(--muted);
	margin-bottom: 16px;
}
.home-news-image {
	display: block;
	border-radius: 8px;
	overflow: hidden;
	margin-bottom: 20px;
}
.article-content img {
	display: block;
	max-width: 100%;
	width: min(100%, 720px);
	height: auto;
	margin: 24px auto;
	border-radius: 10px;
}
@media (max-width: 600px) {
	.news-feed {
		grid-template-columns: minmax(0, 1fr);
	}
	.news-list-card {
		grid-template-columns: 1fr;
		padding: 20px;
	}
	.news-list-body h2 {
		font-size: 20px;
	}
}

/* 内页统一侧栏与 a7 风格的层级面包屑 */
.page-main {
	min-width: 0;
}
.breadcrumb {
	align-items: center;
	line-height: 1.8;
}
.breadcrumb svg {
	flex-shrink: 0;
}
.breadcrumb-current {
	overflow-wrap: anywhere;
}
.sidebar-links {
	display: grid;
	gap: 0;
}
.sidebar-links a {
	padding: 10px 0;
	border-top: 1px solid var(--line);
}
.editorial-main .anchor-nav {
	flex-wrap: wrap;
}
.editorial-main .download-grid {
	grid-template-columns: 1fr;
}
@media (max-width: 768px) {
	.page-sidebar {
		display: block;
	}
}

/* 四个介绍单页：简短引导 + 要点卡片 */
.structured-page .editorial-section {
	padding: 28px 0;
}
.structured-page .section-intro {
	padding: 18px 22px;
	border-left: 3px solid var(--primary);
	background: var(--bg-light);
	border-radius: 0 8px 8px 0;
	margin: 20px 0;
}
.point-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
}
.point-card {
	min-width: 0;
	padding: 22px;
	border: 1px solid var(--line);
	border-radius: 12px;
	background: #fff;
}
.point-number {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: 8px;
	background: var(--bg-light);
	color: var(--primary);
	font-size: 12px;
	font-weight: 700;
}
.point-card h3 {
	font-size: 18px;
	line-height: 1.5;
	margin: 14px 0;
}
.point-list {
	list-style: disc;
	padding-left: 18px;
	margin: 0;
	font-size: 14px;
	line-height: 1.85;
	color: var(--muted);
}
.point-list li {
	padding-left: 3px;
	margin: 10px 0;
}
.point-list li::marker {
	color: var(--primary);
}
.structured-page .download-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
}
.structured-page .download-grid .card {
	padding: 24px;
}
.structured-page .download-grid h2 {
	font-size: 22px;
}
@media (max-width: 650px) {
	.point-grid, .structured-page .download-grid {
		grid-template-columns: minmax(0, 1fr);
	}
	.point-card {
		padding: 20px;
	}
	.structured-page .section-intro {
		padding: 16px;
	}
}

/* Keep copyright and the official site link on one desktop row. */
.footer-bottom-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}
.footer-bottom-row .footer-bottom {
	border: 0;
	margin: 0 0 0 auto;
	padding: 0;
	text-align: right;
}
.footer-bottom-row a {
	color: inherit;
}
@media (max-width: 650px) {
	.footer-bottom-row .only-web {
		display: none;
	}
}

/* News excerpts and metadata on the homepage and news lists. */
.news-summary {
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	line-clamp: 3;
	overflow: hidden;
	text-overflow: ellipsis;
	line-height: 1.8;
	max-height: 5.4em;
}
.news-meta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	font-size: 12px;
	color: var(--muted);
}
.news-meta .news-date {
	margin: 0;
}
.news-views {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	margin-left: auto;
	white-space: nowrap;
}
.news-views svg {
	flex-shrink: 0;
}

.review-person h3 {
	margin: 0;
	font-size: 18px;
}
.article-content img {
	max-width: 100%;
	height: auto;
}