/* TCYDF customer-facing theme enhancements.
 * 叠加在 main.css 之后，只扩展视觉层，不改变 City / Product SEO 字段。
 */

:root {
	--ink-deep: #101714;
	--ink-panel: #1b2823;
	--paper-warm: #f7f7f4;
	--line-soft: #e8ece9;
	--brand-bright: #0c8a80;
	--accent-soft: #f0e7dc;
}

body {
	letter-spacing: 0;
}

.container {
	max-width: 1180px;
}

.btn--large {
	min-height: 50px;
	padding: 12px 24px;
	font-size: 16px;
}

.section__eyebrow {
	margin: 0 0 8px;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0;
	color: var(--brand);
	text-transform: uppercase;
}

.section__lead {
	max-width: 760px;
	margin: 0 0 24px;
	color: var(--muted);
}

.section__head {
	align-items: flex-end;
	margin-bottom: 26px;
}

.section__head > div {
	min-width: 0;
}

.section__head h2 {
	font-size: 30px;
	letter-spacing: 0;
}

/* Hero */

.hero--visual {
	position: relative;
	min-height: 620px;
	overflow: hidden;
	background: var(--ink-deep);
	color: #f7fbf9;
	background-image: none;
}

.hero__collage {
	position: absolute;
	inset: 0;
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	grid-template-rows: repeat(2, minmax(0, 1fr));
	gap: 1px;
	opacity: 0.72;
}

.hero__collage img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 18%;
	display: block;
	filter: brightness(0.82) contrast(1.02);
}

.hero__scrim {
	position: absolute;
	inset: 0;
	background:
		linear-gradient(90deg, rgba(9, 20, 17, 0.96) 0%, rgba(9, 20, 17, 0.78) 46%, rgba(9, 20, 17, 0.24) 100%),
		linear-gradient(180deg, rgba(9, 20, 17, 0.28) 0%, rgba(9, 20, 17, 0.08) 55%, rgba(9, 20, 17, 0.6) 100%);
}

.hero__inner {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	min-height: 620px;
	padding: 80px 20px 96px;
}

.hero__content {
	max-width: 680px;
}

.hero__content .eyebrow {
	color: #f0b37d;
}

.hero__content h1 {
	margin-bottom: 18px;
	font-size: 58px;
	line-height: 1.08;
	letter-spacing: 0;
}

.hero__content p {
	max-width: 620px;
	font-size: 18px;
	line-height: 1.8;
	color: #e2ede8;
}

.hero__actions {
	margin-top: 30px;
	gap: 14px;
}

.hero .btn--ghost {
	background: rgba(255, 255, 255, 0.06);
	border-color: rgba(255, 255, 255, 0.55);
}

/* Sport category */

.sport-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
}

.card--sport {
	position: relative;
	padding: 0;
	overflow: hidden;
	min-height: 0;
	color: var(--ink);
}

.card--sport--image {
	display: block;
}

.card--sport--image .card__sport-media {
	display: block;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: #e9efec;
}

.card--sport--image .card__sport-media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 18%;
	display: block;
	transition: transform 260ms ease;
}

.card--sport--image:hover .card__sport-media img {
	transform: scale(1.035);
}

.card--sport--image .card__sport-body {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	display: flex;
	flex-direction: column;
	gap: 3px;
	padding: 42px 16px 14px;
	color: #fff;
	background: linear-gradient(180deg, transparent 0%, rgba(10, 23, 19, 0.88) 100%);
}

.card--sport--image .card__title {
	margin: 0;
	color: #fff;
}

.card--sport--image .card__sport-meta {
	font-size: 13px;
	color: #d8e8e1;
}

.card--sport--text {
	min-height: 148px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	gap: 14px;
	background: var(--paper-warm);
	border-color: var(--line-soft);
}

.card--sport--text .card__sport-mark {
	width: auto;
	height: 28px;
	display: inline-flex;
	align-items: center;
	padding: 0 10px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0;
	color: var(--brand);
	background: #e5f1ee;
	border-radius: 999px;
}

.card--sport--text .card__sport-body {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.card--sport--text .card__title {
	margin: 0;
}

.card--sport--text .card__sport-meta {
	font-size: 13px;
	color: var(--muted);
}

/* Product cards */

.product-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 18px;
}

.product-card {
	padding: 0;
	overflow: hidden;
	background: var(--surface);
}

.product-card__media {
	aspect-ratio: 4 / 5;
	border-radius: 0;
	background: #edf2ef;
}

.product-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 18%;
	display: block;
	transition: transform 260ms ease;
}

.product-card:hover .product-card__media img {
	transform: scale(1.035);
}

.product-card__body {
	padding: 14px 16px 16px;
}

.product-card__sport {
	margin: 0 0 6px;
	font-size: 12px;
	font-weight: 700;
	color: var(--brand);
}

.product-card__title {
	margin: 0 0 7px;
	font-size: 17px;
	line-height: 1.4;
}

.product-card__title a {
	display: block;
}

.product-card__model {
	margin: 0 0 14px;
	font-size: 13px;
	color: var(--muted);
}

.product-card__cta {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-size: 14px;
	font-weight: 700;
	color: var(--ink);
}

.product-card__cta::after {
	content: "";
	width: 7px;
	height: 7px;
	border-top: 2px solid currentColor;
	border-right: 2px solid currentColor;
	transform: rotate(45deg);
}

.product-card:hover .product-card__cta {
	color: var(--brand);
}

/* Product page active city context */

.product-city-context-slot {
	margin: 0 0 18px;
	padding: 14px 16px;
	border: 1px solid var(--line-soft);
	border-radius: 8px;
	background: var(--paper-warm);
}

.product-city-context-slot[hidden] {
	display: none;
}

.product-city-context__row {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 10px;
	font-size: 14px;
}

.product-city-context__tag {
	display: inline-flex;
	align-items: center;
	min-height: 24px;
	padding: 2px 9px;
	border-radius: 999px;
	background: #e5f1ee;
	color: var(--brand-dark);
	font-weight: 700;
	font-size: 12px;
}

.product-city-context__row strong {
	color: var(--ink);
	font-size: 15px;
}

.product-city-context__row a {
	font-weight: 700;
}

.product-city-context__note {
	margin: 8px 0 0;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.7;
}

/* Process */

.process-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.process-step {
	position: relative;
	min-height: 190px;
	padding: 22px 20px 20px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-top: 3px solid var(--brand);
	border-radius: 8px;
}

.process-step__num {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 28px;
	margin-bottom: 20px;
	border-radius: 999px;
	background: var(--accent-soft);
	color: var(--brand-dark);
	font-size: 13px;
	font-weight: 800;
}

.process-step h3 {
	margin: 0 0 8px;
	font-size: 19px;
}

.process-step p {
	margin: 0;
	color: var(--muted);
	font-size: 14px;
	line-height: 1.75;
}

/* Showcase */

.showcase-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.showcase-card {
	margin: 0;
}

.showcase-card a {
	display: block;
	aspect-ratio: 4 / 5;
	overflow: hidden;
	border-radius: 8px;
	background: #edf2ef;
}

.showcase-card img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 18%;
	display: block;
}

.showcase-card figcaption {
	display: flex;
	flex-direction: column;
	gap: 3px;
	padding: 12px 2px 0;
}

.showcase-card figcaption span {
	font-size: 12px;
	font-weight: 700;
	color: var(--brand);
}

.showcase-card figcaption strong {
	font-size: 15px;
	line-height: 1.45;
}

/* Capability */

.capability-list {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.capability-list li {
	min-height: 42px;
	display: inline-flex;
	align-items: center;
	padding: 8px 18px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 999px;
	font-weight: 700;
	color: var(--ink-soft);
}

/* City service */

.hot-city-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 12px;
	margin-bottom: 18px;
}

.hot-city-card {
	min-height: 76px;
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 3px;
	padding: 12px 16px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 8px;
	text-decoration: none;
	color: var(--ink);
	transition: border-color 180ms ease, transform 180ms ease;
}

.hot-city-card:hover {
	border-color: var(--brand);
	transform: translateY(-1px);
}

.hot-city-card strong {
	font-size: 16px;
}

.hot-city-card span {
	font-size: 12px;
	color: var(--muted);
}

.province-strip {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
}

.province-strip a {
	min-height: 34px;
	display: inline-flex;
	align-items: center;
	padding: 5px 12px;
	border-radius: 999px;
	border: 1px solid var(--line);
	background: var(--paper);
	color: var(--ink-soft);
	text-decoration: none;
	font-size: 14px;
}

.province-strip a:hover {
	border-color: var(--brand);
	color: var(--brand);
}

.province-strip .province-strip__more {
	background: var(--ink);
	border-color: var(--ink);
	color: #fff;
	font-weight: 700;
}

/* Guides */

.guide-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.guide-grid li {
	min-width: 0;
}

.guide-grid a {
	min-height: 148px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 20px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 8px;
	text-decoration: none;
	color: var(--ink);
}

.guide-grid a:hover {
	border-color: var(--brand);
}

.guide-grid strong {
	font-size: 18px;
	line-height: 1.45;
}

.guide-grid span {
	color: var(--muted);
	font-size: 14px;
	line-height: 1.7;
}

/* CTA */

.cta-strip {
	background:
		radial-gradient(circle at 82% 18%, rgba(13, 138, 128, 0.5), transparent 36%),
		linear-gradient(135deg, #0e2821, #17271f 62%, #151d19);
}

.cta-strip__inner {
	align-items: center;
	padding-top: 64px;
	padding-bottom: 64px;
}

.cta-strip__eyebrow {
	margin: 0 0 10px;
	font-size: 13px;
	font-weight: 700;
	color: #f0b37d;
	letter-spacing: 0;
	text-transform: uppercase;
}

.cta-strip h2 {
	margin-bottom: 12px;
	font-size: 32px;
	letter-spacing: 0;
}

.cta-strip p {
	max-width: 600px;
	font-size: 16px;
	color: #d5e5df;
}

.cta-strip__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.cta-strip .btn--primary {
	background: var(--accent);
}

.cta-strip .btn--ghost {
	color: #f7fbf9;
	border-color: rgba(255, 255, 255, 0.45);
}

/* City archive hierarchy */

.city-index__group {
	margin: 0 0 12px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 8px;
	overflow: hidden;
}

.city-index__summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 15px 18px;
	cursor: pointer;
	list-style: none;
	font-size: 17px;
	font-weight: 700;
}

.city-index__summary::-webkit-details-marker {
	display: none;
}

.city-index__summary::after {
	content: "";
	flex: 0 0 auto;
	width: 9px;
	height: 9px;
	margin-left: auto;
	border-right: 2px solid var(--muted);
	border-bottom: 2px solid var(--muted);
	transform: rotate(45deg);
	transition: transform 180ms ease;
}

.city-index__group[open] .city-index__summary::after {
	transform: rotate(-135deg);
}

.city-index__count {
	font-size: 13px;
	font-weight: 500;
	color: var(--muted);
	white-space: nowrap;
}

.city-index__block {
	padding: 2px 18px 16px;
}

.city-index__subhead {
	margin: 0 0 8px;
	font-size: 15px;
	color: var(--ink-soft);
}

.city-index__links {
	line-height: 2.05;
}

.city-index__links a {
	color: var(--ink-soft);
	text-decoration: none;
	border-bottom: 1px solid var(--line-soft);
	margin-right: 10px;
	white-space: normal;
}

.city-index__links a:hover {
	color: var(--brand);
	border-color: var(--brand);
}

/* Header polish */

.site-header__inner {
	min-height: 68px;
}

.site-brand__name {
	font-size: 21px;
	letter-spacing: 0;
}

/* Responsive */

@media (max-width: 1080px) {
	.product-grid,
	.sport-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.hot-city-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.showcase-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 820px) {
	.product-grid,
	.sport-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.hot-city-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.process-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.hero__collage {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.cta-strip__inner {
		align-items: flex-start;
		flex-direction: column;
	}
}

@media (max-width: 640px) {
	.section__head {
		align-items: flex-start;
		flex-direction: column;
		gap: 12px;
	}

	.section__head h2 {
		font-size: 25px;
	}

	.hero--visual,
	.hero__inner {
		min-height: 560px;
	}

	.hero__inner {
		align-items: flex-end;
		padding-bottom: 48px;
	}

	.hero__content h1 {
		font-size: 38px;
	}

	.hero__content p {
		font-size: 16px;
	}

	.showcase-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 12px;
	}

	.guide-grid {
		grid-template-columns: 1fr;
	}

	.cta-strip__inner {
		padding-top: 48px;
		padding-bottom: 48px;
	}

	.cta-strip h2 {
		font-size: 26px;
	}
}

@media (max-width: 430px) {
	.hero__inner {
		padding-left: 16px;
		padding-right: 16px;
	}

	.hero__content h1 {
		font-size: 34px;
	}

	.hero__actions {
		width: 100%;
		display: grid;
		grid-template-columns: 1fr;
	}

	.hero__actions .btn {
		width: 100%;
	}

	.product-grid,
	.sport-grid,
	.hot-city-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 12px;
	}

	.product-card__body {
		padding: 12px 12px 14px;
	}

	.product-card__title {
		font-size: 15px;
	}

	.card--sport--text {
		min-height: 132px;
		padding: 12px;
	}

	.card--sport--image .card__sport-body {
		padding: 34px 12px 12px;
	}

	.process-grid {
		grid-template-columns: 1fr;
	}

	.process-step {
		min-height: 0;
		padding: 18px 16px;
	}

	.showcase-grid {
		grid-template-columns: 1fr 1fr;
	}

	.city-index__summary {
		padding: 13px 14px;
		font-size: 16px;
	}

	.city-index__block {
		padding: 2px 14px 14px;
	}

	.cta-strip__actions {
		width: 100%;
		display: grid;
		grid-template-columns: 1fr;
	}
}

/* Commercial pages */

.commercial-hero {
	background:
		radial-gradient(circle at 84% 20%, rgba(12, 138, 128, 0.34), transparent 34%),
		#101c17;
	color: #f7fbf9;
}

.commercial-hero__inner {
	padding-top: 52px;
	padding-bottom: 58px;
	max-width: 900px;
}

.commercial-hero .eyebrow {
	color: #f0b37d;
}

.commercial-hero h1 {
	margin: 0 0 16px;
	font-size: 40px;
	line-height: 1.18;
	letter-spacing: 0;
}

.commercial-hero p {
	margin: 0;
	max-width: 680px;
	color: #d9e8e2;
	font-size: 17px;
	line-height: 1.8;
}

.section--compact {
	padding-top: 18px;
}

.process-timeline {
	list-style: none;
	margin: 0;
	padding: 0;
}

.process-timeline li {
	display: grid;
	grid-template-columns: 56px minmax(0, 1fr);
	gap: 18px;
	padding: 22px 0;
	border-bottom: 1px solid var(--line);
}

.process-timeline li:first-child {
	border-top: 1px solid var(--line);
}

.process-timeline__num {
	width: 52px;
	height: 52px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	background: #e5f1ee;
	color: var(--brand-dark);
	font-weight: 800;
	font-size: 14px;
}

.process-timeline h2 {
	margin: 2px 0 7px;
	font-size: 21px;
}

.process-timeline p {
	margin: 0;
	color: var(--muted);
	line-height: 1.75;
}

.prep-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
}

.prep-card {
	padding: 20px;
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 8px;
}

.prep-card h3 {
	margin: 0 0 8px;
	font-size: 18px;
}

.prep-card p {
	margin: 0;
	color: var(--muted);
	line-height: 1.75;
}

.contact-commercial-grid {
	display: grid;
	grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
	gap: 20px;
	align-items: start;
}

.contact-channel-row {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	align-items: center;
	margin: 14px 0 10px;
}

.check-list--contact {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 6px 18px;
	margin: 14px 0 16px;
}

.contact-city-context {
	display: inline-flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin-top: 22px;
	padding: 10px 14px;
	border: 1px solid rgba(255, 255, 255, 0.24);
	border-radius: 999px;
	font-size: 14px;
}

.contact-city-context[hidden] {
	display: none;
}

.contact-city-context strong {
	color: #fff;
	font-size: 15px;
}

.contact-city-context span {
	color: #d9e8e2;
}

.guide-commercial-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 16px;
}

.guide-commercial-card {
	background: var(--surface);
	border: 1px solid var(--line);
	border-radius: 8px;
	transition: border-color 180ms ease;
}

.guide-commercial-card:hover {
	border-color: var(--brand);
}

.guide-commercial-card a {
	min-height: 170px;
	display: flex;
	flex-direction: column;
	padding: 20px;
	text-decoration: none;
	color: var(--ink);
}

.guide-commercial-card h2 {
	margin: 0 0 9px;
	font-size: 19px;
}

.guide-commercial-card p {
	margin: 0 0 18px;
	color: var(--muted);
	line-height: 1.75;
}

.guide-commercial-card__cta {
	margin-top: auto;
	font-weight: 700;
	color: var(--brand);
	font-size: 14px;
}

.city-service-intro {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 24px;
	align-items: center;
	padding: 22px 0 8px;
}

.city-service-intro h2 {
	margin: 0 0 8px;
	font-size: 24px;
}

.city-service-intro p {
	margin: 0;
	color: var(--muted);
	line-height: 1.75;
}

.city-service-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

@media (max-width: 820px) {
	.commercial-hero h1 {
		font-size: 34px;
	}

	.contact-commercial-grid,
	.city-service-intro {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 640px) {
	.commercial-hero__inner {
		padding-top: 40px;
		padding-bottom: 44px;
	}

	.commercial-hero h1 {
		font-size: 30px;
	}

	.prep-grid,
	.guide-commercial-grid,
	.check-list--contact {
		grid-template-columns: 1fr;
	}

	.process-timeline li {
		grid-template-columns: 44px minmax(0, 1fr);
		gap: 13px;
	}

	.process-timeline__num {
		width: 42px;
		height: 42px;
	}
}

@media (max-width: 430px) {
	.commercial-hero h1 {
		font-size: 28px;
	}

	.contact-channel-row {
		width: 100%;
		display: grid;
		grid-template-columns: 1fr;
	}

	.city-service-actions {
		width: 100%;
		display: grid;
		grid-template-columns: 1fr;
	}
}