:root {
	--ink: #111814;
	--ink-soft: #34433b;
	--muted: #6f7a72;
	--paper: #f6f7f1;
	--paper-strong: #ffffff;
	--stone: #e5e9df;
	--stone-dark: #c9d1c2;
	--forest: #163629;
	--forest-2: #244d3a;
	--moss: #7b9168;
	--cinnabar: #b24a35;
	--gold: #c49b55;
	--line: rgba(17, 24, 20, 0.14);
	--line-strong: rgba(17, 24, 20, 0.24);
	--shadow-soft: 0 18px 48px rgba(18, 36, 28, 0.14);
	--shadow-tight: 0 8px 20px rgba(18, 36, 28, 0.1);
	--radius: 8px;
	--max: 1180px;
	--ease: cubic-bezier(0.2, 0, 0, 1);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background:
		linear-gradient(90deg, rgba(17, 24, 20, 0.035) 1px, transparent 1px) 0 0 / 56px 56px,
		linear-gradient(180deg, #f7f8f3 0%, #eef2ea 42%, #f6f7f1 100%);
	color: var(--ink);
	font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
	font-size: 16px;
	letter-spacing: 0;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: -2;
	pointer-events: none;
	background:
		repeating-linear-gradient(135deg, rgba(22, 54, 41, 0.035) 0 1px, transparent 1px 18px),
		linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0));
}

a {
	color: inherit;
	text-decoration: none;
}

img,
svg {
	display: block;
}

button,
input {
	font: inherit;
}

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	z-index: 50;
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: center;
	gap: 28px;
	min-height: 72px;
	padding: 0 42px;
	color: #f8fbf5;
	transition: background 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease), color 220ms var(--ease);
}

.site-header.is-scrolled {
	background: rgba(246, 247, 241, 0.9);
	border-bottom: 1px solid rgba(17, 24, 20, 0.1);
	box-shadow: 0 10px 28px rgba(18, 36, 28, 0.08);
	backdrop-filter: blur(18px);
	color: var(--ink);
}

.brand,
.header-action,
.site-nav {
	display: flex;
	align-items: center;
}

.brand {
	gap: 12px;
	font-weight: 800;
	white-space: nowrap;
}

.brand-mark {
	display: grid;
	place-items: center;
	width: 38px;
	height: 38px;
	border: 1px solid currentColor;
	border-radius: 8px;
	color: currentColor;
	background: rgba(255, 255, 255, 0.08);
}

.brand-mark svg {
	width: 22px;
	height: 22px;
}

.brand-mark path,
.header-action path,
.btn path,
.hero-scroll path,
.icon-box path {
	fill: none;
	stroke: currentColor;
	stroke-width: 1.8;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.site-nav {
	justify-content: center;
	gap: 28px;
	font-size: 14px;
	color: currentColor;
}

.site-nav a {
	position: relative;
	padding: 8px 0;
	opacity: 0.78;
	transition: opacity 160ms var(--ease), color 160ms var(--ease);
}

.site-nav a::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 1px;
	background: currentColor;
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 180ms var(--ease);
}

.site-nav a:hover {
	opacity: 1;
}

.site-nav a:hover::after {
	transform: scaleX(1);
}

.header-action {
	justify-content: center;
	gap: 8px;
	min-height: 40px;
	padding: 0 16px;
	border: 1px solid currentColor;
	border-radius: 999px;
	font-size: 14px;
	font-weight: 700;
	transition: transform 160ms var(--ease), background 160ms var(--ease);
}

.header-action:hover {
	background: rgba(255, 255, 255, 0.14);
	transform: translateY(-1px);
}

.site-header.is-scrolled .header-action:hover {
	background: rgba(22, 54, 41, 0.08);
}

.header-action svg {
	width: 18px;
	height: 18px;
}

.section-band {
	position: relative;
	min-height: 92vh;
	overflow: hidden;
	background:
		linear-gradient(180deg, rgba(7, 23, 17, 0.36), rgba(7, 23, 17, 0.62)),
		linear-gradient(135deg, #173a2b 0%, #1e4737 45%, #803f31 100%);
	color: #f9fbf5;
}

.hero {
	display: flex;
	align-items: center;
	padding: 112px 42px 84px;
}

.hero-bg {
	position: absolute;
	inset: 0;
	overflow: hidden;
}

.hero-bg::before {
	content: "";
	position: absolute;
	inset: 0;
	background:
		linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px) 0 0 / 72px 72px,
		linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 42%);
	opacity: 0.72;
}

.hero-bg::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: -1px;
	height: 145px;
	background: linear-gradient(180deg, rgba(246, 247, 241, 0), var(--paper) 78%);
}

.mountain-line {
	position: absolute;
	left: -6%;
	right: -6%;
	height: 260px;
	border-top: 1px solid rgba(255, 255, 255, 0.22);
	transform: skewY(-6deg);
	opacity: 0.56;
}

.mountain-line-a {
	bottom: 62px;
}

.mountain-line-b {
	bottom: 118px;
	border-color: rgba(196, 155, 85, 0.28);
	transform: skewY(5deg);
}

.hero-screenshot {
	position: absolute;
	width: 268px;
	border: 10px solid rgba(255, 255, 255, 0.86);
	border-radius: 30px;
	background: #111814;
	box-shadow: 0 34px 80px rgba(0, 0, 0, 0.34);
	overflow: hidden;
}

.hero-screenshot img {
	width: 100%;
	height: auto;
}

.hero-screenshot-a {
	right: max(42px, calc((100vw - var(--max)) / 2 + 10px));
	top: 80px;
	transform: rotate(4deg);
}

.hero-screenshot-b {
	right: max(136px, calc((100vw - var(--max)) / 2 + 80px));
	top: 286px;
	width: 214px;
	transform: rotate(-8deg);
	opacity: 0.9;
}

.hero-inner {
	position: relative;
	z-index: 2;
	width: min(760px, 100%);
	max-width: var(--max);
	margin: 0 auto;
}

.eyebrow {
	margin: 0 0 18px;
	color: var(--cinnabar);
	font-size: 13px;
	font-weight: 800;
	letter-spacing: 0;
}

.hero .eyebrow {
	color: #e9c47f;
}

.hero-title {
	max-width: 560px;
	margin: 0;
	font-size: 62px;
	line-height: 1.05;
	font-weight: 900;
	letter-spacing: 0;
}

.hero-copy {
	max-width: 570px;
	margin: 26px 0 0;
	color: rgba(249, 251, 245, 0.82);
	font-size: 20px;
	line-height: 1.8;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 36px;
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-height: 48px;
	padding: 0 20px;
	border-radius: 999px;
	font-size: 15px;
	font-weight: 800;
	transition: transform 170ms var(--ease), background 170ms var(--ease), border-color 170ms var(--ease), color 170ms var(--ease);
}

.btn svg {
	width: 20px;
	height: 20px;
}

.btn:hover {
	transform: translateY(-2px);
}

.btn-primary {
	background: var(--cinnabar);
	color: #fffaf4;
	box-shadow: 0 14px 30px rgba(128, 63, 49, 0.26);
}

.btn-primary:hover {
	background: #9d3d2c;
}

.btn-secondary {
	border: 1px solid rgba(255, 255, 255, 0.52);
	color: #fff;
	background: rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
	background: rgba(255, 255, 255, 0.16);
}

.hero-proof {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1px;
	width: min(720px, 100%);
	margin-top: 54px;
	border: 1px solid rgba(255, 255, 255, 0.18);
	border-radius: var(--radius);
	background: rgba(255, 255, 255, 0.18);
	overflow: hidden;
	backdrop-filter: blur(12px);
}

.hero-proof div {
	padding: 18px 20px;
	background: rgba(17, 24, 20, 0.28);
}

.hero-proof strong,
.hero-proof span {
	display: block;
}

.hero-proof strong {
	margin-bottom: 6px;
	font-size: 17px;
	color: #fff;
}

.hero-proof span {
	color: rgba(249, 251, 245, 0.72);
	font-size: 13px;
	line-height: 1.55;
}

.hero-scroll {
	position: absolute;
	z-index: 3;
	left: 50%;
	bottom: 34px;
	display: grid;
	place-items: center;
	width: 40px;
	height: 54px;
	color: rgba(255, 255, 255, 0.78);
	transform: translateX(-50%);
	animation: floatDown 1800ms var(--ease) infinite;
}

.hero-scroll svg {
	width: 20px;
	height: 28px;
}

.intro-strip {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	max-width: var(--max);
	margin: -28px auto 0;
	position: relative;
	z-index: 4;
	border: 1px solid var(--line);
	border-radius: var(--radius);
	background: rgba(255, 255, 255, 0.88);
	box-shadow: var(--shadow-tight);
	overflow: hidden;
}

.strip-item {
	padding: 24px 28px;
	border-right: 1px solid var(--line);
}

.strip-item:last-child {
	border-right: 0;
}

.strip-kicker,
.strip-item strong {
	display: block;
}

.strip-kicker {
	margin-bottom: 10px;
	color: var(--cinnabar);
	font-size: 13px;
	font-weight: 800;
}

.strip-item strong {
	color: var(--ink);
	font-size: 20px;
	line-height: 1.45;
}

.section {
	max-width: var(--max);
	margin: 0 auto;
	padding: 116px 42px 0;
}

.section-head {
	max-width: 760px;
	margin-bottom: 46px;
}

.section-head h2,
.station-copy h2,
.final-copy h2 {
	margin: 0;
	color: var(--ink);
	font-size: 42px;
	line-height: 1.22;
	font-weight: 900;
	letter-spacing: 0;
}

.section-head p:not(.eyebrow),
.station-copy p:not(.eyebrow),
.final-copy p:not(.eyebrow) {
	margin: 20px 0 0;
	color: var(--ink-soft);
	font-size: 17px;
	line-height: 1.9;
}

.capability-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	border-top: 1px solid var(--line-strong);
	border-left: 1px solid var(--line);
}

.capability-item {
	min-height: 258px;
	padding: 30px;
	border-right: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.38);
	transition: background 180ms var(--ease), transform 180ms var(--ease);
}

.capability-item:hover {
	background: rgba(255, 255, 255, 0.72);
	transform: translateY(-2px);
}

.icon-box {
	display: grid;
	place-items: center;
	width: 44px;
	height: 44px;
	margin-bottom: 28px;
	border: 1px solid var(--line-strong);
	border-radius: 8px;
	color: var(--forest);
	background: var(--paper-strong);
}

.icon-box svg {
	width: 25px;
	height: 25px;
}

.capability-item h3,
.workflow-step h3 {
	margin: 0;
	color: var(--ink);
	font-size: 22px;
	line-height: 1.3;
}

.capability-item p,
.workflow-step p {
	margin: 14px 0 0;
	color: var(--muted);
	font-size: 15px;
	line-height: 1.82;
}

.station-section {
	display: grid;
	grid-template-columns: 0.92fr 1.08fr;
	align-items: start;
	gap: 64px;
}

.route-panel {
	border: 1px solid var(--line-strong);
	border-radius: var(--radius);
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.42)),
		var(--paper);
	box-shadow: var(--shadow-soft);
	overflow: hidden;
}

.route-row {
	display: grid;
	grid-template-columns: 92px minmax(132px, auto) 1fr;
	align-items: center;
	gap: 18px;
	min-height: 92px;
	padding: 22px 24px;
	border-bottom: 1px solid var(--line);
}

.route-row:last-child {
	border-bottom: 0;
}

.route-label {
	color: var(--muted);
	font-size: 14px;
	font-weight: 800;
}

.route-name {
	display: inline-flex;
	align-items: center;
	min-height: 36px;
	padding: 0 12px;
	border: 1px solid rgba(178, 74, 53, 0.28);
	border-radius: 999px;
	background: rgba(178, 74, 53, 0.08);
	color: #853726;
	font-size: 14px;
	font-weight: 800;
}

.route-desc {
	color: var(--ink-soft);
	font-size: 16px;
	line-height: 1.6;
}

.workflow-section {
	padding-top: 126px;
}

.workflow-line {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	border-top: 1px solid var(--line-strong);
}

.workflow-step {
	position: relative;
	padding: 36px 28px 0 0;
}

.workflow-step::before {
	content: "";
	position: absolute;
	top: -6px;
	left: 0;
	width: 11px;
	height: 11px;
	border: 2px solid var(--forest);
	border-radius: 50%;
	background: var(--paper);
}

.workflow-step span {
	display: block;
	margin-bottom: 28px;
	color: var(--cinnabar);
	font-size: 14px;
	font-weight: 900;
}

.screenshot-section {
	padding-bottom: 80px;
}

.phone-gallery {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 72px;
	align-items: start;
	max-width: 930px;
	margin: 0 auto;
}

.phone-frame {
	position: relative;
	margin: 0;
	padding: 14px 14px 22px;
	border: 1px solid rgba(17, 24, 20, 0.18);
	border-radius: 34px;
	background: linear-gradient(180deg, #223e32, #101914);
	box-shadow: var(--shadow-soft);
}

.phone-frame-offset {
	margin-top: 58px;
}

.phone-top {
	position: absolute;
	top: 10px;
	left: 50%;
	width: 86px;
	height: 20px;
	border-radius: 0 0 14px 14px;
	background: #111814;
	transform: translateX(-50%);
	z-index: 2;
}

.phone-frame img {
	width: 100%;
	border-radius: 24px;
	aspect-ratio: 390 / 844;
	object-fit: cover;
	object-position: top;
	background: #d7ddd3;
}

.phone-frame figcaption {
	display: grid;
	gap: 6px;
	padding: 18px 6px 0;
	color: #f7fbf4;
}

.phone-frame figcaption strong {
	font-size: 18px;
}

.phone-frame figcaption span {
	color: rgba(247, 251, 244, 0.7);
	font-size: 14px;
	line-height: 1.7;
}

.final-cta {
	max-width: var(--max);
	margin: 56px auto 0;
	padding: 68px 42px;
	display: grid;
	grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
	align-items: center;
	gap: 38px;
	border-top: 1px solid var(--line-strong);
	border-bottom: 1px solid var(--line-strong);
}

.final-copy {
	max-width: 760px;
}

.final-demo-link {
	margin-top: 30px;
}

.final-cta .btn-secondary {
	color: var(--ink);
	border-color: var(--line-strong);
	background: transparent;
}

.contact-card {
	display: block;
	margin: 0;
	padding: 30px;
	border: 1px solid var(--line-strong);
	border-radius: var(--radius);
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.46)),
		var(--paper);
	box-shadow: var(--shadow-tight);
	font-style: normal;
}

.contact-label {
	display: block;
	margin-bottom: 12px;
	color: var(--cinnabar);
	font-size: 13px;
	font-weight: 900;
}

.contact-card strong {
	display: block;
	color: var(--ink);
	font-size: 24px;
	line-height: 1.38;
	letter-spacing: 0;
}

.contact-list {
	display: grid;
	gap: 0;
	margin-top: 24px;
	border-top: 1px solid var(--line);
}

.contact-list div {
	display: grid;
	grid-template-columns: 56px 1fr;
	gap: 18px;
	padding: 16px 0;
	border-bottom: 1px solid var(--line);
}

.contact-list div:last-child {
	border-bottom: 0;
	padding-bottom: 0;
}

.contact-list span {
	color: var(--muted);
	font-size: 14px;
	font-weight: 800;
}

.contact-list p,
.contact-list a {
	margin: 0;
	color: var(--ink-soft);
	font-size: 15px;
	line-height: 1.68;
	word-break: break-word;
}

.contact-list a {
	text-decoration: underline;
	text-decoration-color: rgba(178, 74, 53, 0.34);
	text-underline-offset: 4px;
	transition: color 160ms var(--ease), text-decoration-color 160ms var(--ease);
}

.contact-list a:hover {
	color: var(--cinnabar);
	text-decoration-color: currentColor;
}

.site-footer {
	max-width: var(--max);
	margin: 0 auto;
	padding: 28px 42px 48px;
	display: flex;
	justify-content: space-between;
	gap: 24px;
	color: var(--muted);
	font-size: 13px;
}

.reveal {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 620ms var(--ease), transform 620ms var(--ease);
}

.reveal.is-visible {
	opacity: 1;
	transform: translateY(0);
}

@keyframes floatDown {
	0%,
	100% {
		transform: translate(-50%, 0);
	}
	50% {
		transform: translate(-50%, 7px);
	}
}

@media (max-width: 1100px) {
	.hero-screenshot-a {
		right: 4%;
	}

	.hero-screenshot-b {
		right: 22%;
	}

	.hero-title {
		font-size: 58px;
	}
}

@media (max-width: 900px) {
	.site-header {
		grid-template-columns: auto auto;
		justify-content: space-between;
		padding: 0 22px;
		min-height: 64px;
	}

	.site-nav {
		display: none;
	}

	.header-action {
		min-height: 38px;
		padding: 0 13px;
	}

	.hero {
		min-height: 96vh;
		padding: 98px 22px 94px;
		align-items: flex-start;
	}

	.hero-inner {
		padding-top: 16px;
	}

	.hero-title {
		font-size: 44px;
		max-width: 480px;
	}

	.hero-copy {
		font-size: 17px;
		max-width: 520px;
	}

	.hero-screenshot {
		width: 206px;
		border-width: 7px;
		border-radius: 24px;
	}

	.hero-screenshot-a {
		right: -40px;
		top: auto;
		bottom: 34px;
		opacity: 0.86;
	}

	.hero-screenshot-b {
		right: 118px;
		top: auto;
		bottom: 16px;
		width: 164px;
		opacity: 0.72;
	}

	.hero-proof {
		grid-template-columns: 1fr;
		margin-top: 32px;
		max-width: 440px;
	}

	.hero-proof div {
		padding: 14px 16px;
	}

	.intro-strip {
		grid-template-columns: 1fr;
		margin: 0 22px;
	}

	.strip-item {
		border-right: 0;
		border-bottom: 1px solid var(--line);
	}

	.strip-item:last-child {
		border-bottom: 0;
	}

	.section {
		padding: 86px 22px 0;
	}

	.section-head h2,
	.station-copy h2,
	.final-copy h2 {
		font-size: 32px;
	}

	.capability-grid,
	.station-section,
	.workflow-line,
	.phone-gallery,
	.final-cta {
		grid-template-columns: 1fr;
	}

	.capability-item {
		min-height: auto;
		padding: 26px;
	}

	.station-section {
		gap: 34px;
	}

	.route-row {
		grid-template-columns: 1fr;
		gap: 10px;
		min-height: 0;
	}

	.workflow-line {
		border-top: 0;
		gap: 18px;
	}

	.workflow-step {
		padding: 22px 0 22px 28px;
		border-left: 1px solid var(--line-strong);
	}

	.workflow-step::before {
		top: 28px;
		left: -6px;
	}

	.workflow-step span {
		margin-bottom: 10px;
	}

	.phone-gallery {
		gap: 34px;
		max-width: 390px;
	}

	.phone-frame-offset {
		margin-top: 0;
	}

	.final-cta {
		margin: 32px 22px 0;
		padding: 48px 0;
	}

	.final-cta .btn {
		width: 100%;
	}

	.site-footer {
		padding: 26px 22px 40px;
		flex-direction: column;
	}
}

@media (max-width: 560px) {
	body {
		font-size: 15px;
	}

	.hero {
		min-height: 88vh;
		padding-bottom: 70px;
	}

	.brand-text {
		display: none;
	}

	.header-action span {
		display: none;
	}

	.header-action {
		width: 40px;
		padding: 0;
	}

	.hero-title {
		font-size: 38px;
	}

	.hero-copy {
		font-size: 16px;
		line-height: 1.75;
	}

	.hero-actions {
		display: grid;
		grid-template-columns: 1fr;
		max-width: 260px;
	}

	.btn {
		width: 100%;
	}

	.hero-proof {
		display: none;
	}

	.hero-screenshot-a {
		right: -74px;
		width: 190px;
	}

	.hero-screenshot-b {
		right: 78px;
		width: 145px;
	}

	.strip-item {
		padding: 22px;
	}

	.section-head h2,
	.station-copy h2,
	.final-copy h2 {
		font-size: 29px;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		animation-duration: 1ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 1ms !important;
	}
}