:root {
	color-scheme: dark;
	--bg: #07110d;
	--bg-soft: #0d1813;
	--panel: rgba(255, 255, 255, 0.06);
	--panel-strong: rgba(255, 255, 255, 0.1);
	--border: rgba(255, 255, 255, 0.1);
	--text: #f5fbf7;
	--muted: #9bb1a4;
	--green: #36d07f;
	--green-strong: #23b968;
	--gold: #ffd978;
	--shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
	background:
		radial-gradient(circle at top left, rgba(58, 208, 127, 0.18), transparent 28%),
		radial-gradient(circle at 85% 10%, rgba(128, 201, 255, 0.14), transparent 24%),
		linear-gradient(180deg, #08120d 0%, #091510 36%, #07110d 100%);
	color: var(--text);
}

a {
	color: inherit;
	text-decoration: none;
}

.page-shell {
	max-width: 1240px;
	margin: 0 auto;
	padding: 24px;
}

.site-header {
	position: sticky;
	top: 14px;
	z-index: 50;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding: 16px 20px;
	border: 1px solid var(--border);
	background: rgba(7, 17, 13, 0.72);
	backdrop-filter: blur(18px);
	border-radius: 22px;
	box-shadow: var(--shadow);
}

.brand {
	display: flex;
	align-items: center;
	gap: 14px;
}

.brand-logo,
.footer-brand img {
	width: 52px;
	height: 52px;
	object-fit: cover;
	border-radius: 16px;
	box-shadow: 0 12px 28px rgba(54, 208, 127, 0.25);
}

.brand-name {
	font-size: 20px;
	font-weight: 800;
}

.brand-tag {
	font-size: 12px;
	color: var(--muted);
}

.nav-links {
	display: flex;
	gap: 24px;
	color: #d5e7dd;
	font-size: 14px;
}

.nav-links a:hover,
.footer-actions a:hover {
	color: var(--green);
}

.header-cta,
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 999px;
	padding: 14px 22px;
	font-weight: 700;
	transition: 0.2s ease;
}

.header-cta,
.btn-primary {
	background: linear-gradient(135deg, var(--green), #6ff0aa);
	color: #041109;
	box-shadow: 0 14px 40px rgba(54, 208, 127, 0.28);
}

.header-cta:hover,
.btn-primary:hover {
	transform: translateY(-1px);
	box-shadow: 0 18px 44px rgba(54, 208, 127, 0.34);
}

.btn-secondary {
	border: 1px solid rgba(255, 255, 255, 0.16);
	background: rgba(255, 255, 255, 0.04);
	color: var(--text);
}

.btn-secondary:hover {
	background: rgba(255, 255, 255, 0.08);
}

.hero {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 42px;
	padding: 88px 0 52px;
	align-items: center;
}

.eyebrow,
.section-kicker,
.plan-tag {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 12px;
	border-radius: 999px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(255, 255, 255, 0.05);
	color: #dff8e8;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.hero h1 {
	margin: 18px 0 18px;
	font-size: clamp(42px, 6vw, 74px);
	line-height: 0.98;
	letter-spacing: -0.04em;
}

.hero-desc,
.section-heading p,
.faq-item p,
.use-case-card p,
.feature-card p,
.pricing-note {
	color: var(--muted);
	font-size: 17px;
	line-height: 1.8;
}

.hero-actions {
	display: flex;
	gap: 14px;
	margin-top: 32px;
}

.hero-metrics {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 16px;
	margin-top: 34px;
}

.metric-card,
.feature-card,
.use-case-card,
.faq-item,
.pricing-card,
.app-preview {
	border: 1px solid var(--border);
	background: var(--panel);
	backdrop-filter: blur(16px);
	box-shadow: var(--shadow);
}

.metric-card {
	padding: 18px;
	border-radius: 22px;
}

.metric-card strong,
.feature-card h3,
.use-case-card strong,
.faq-item h3,
.pricing-card h3 {
	display: block;
	margin-bottom: 8px;
	font-size: 18px;
}

.metric-card span {
	color: var(--muted);
	font-size: 14px;
	line-height: 1.7;
}

.hero-visual {
	position: relative;
	min-height: 620px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.glow {
	position: absolute;
	border-radius: 999px;
	filter: blur(50px);
	opacity: 0.6;
}

.glow-one {
	width: 220px;
	height: 220px;
	background: rgba(54, 208, 127, 0.45);
	top: 60px;
	right: 80px;
}

.glow-two {
	width: 180px;
	height: 180px;
	background: rgba(116, 179, 255, 0.34);
	bottom: 70px;
	left: 20px;
}

.app-preview {
	position: relative;
	width: 100%;
	max-width: 540px;
	padding: 16px;
	border-radius: 32px;
	overflow: hidden;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04)),
		linear-gradient(135deg, rgba(25, 45, 34, 0.95), rgba(10, 18, 14, 0.96));
}

.preview-window-bar {
	display: flex;
	gap: 8px;
	padding: 4px 4px 14px;
}

.preview-window-bar span {
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.2);
}

.preview-screen {
	position: relative;
	min-height: 520px;
	padding: 22px;
	border-radius: 24px;
	background:
		radial-gradient(circle at 15% 18%, rgba(54, 208, 127, 0.18), transparent 24%),
		linear-gradient(180deg, rgba(18, 28, 22, 0.92), rgba(10, 17, 13, 0.96));
	border: 1px solid rgba(255, 255, 255, 0.06);
}

.preview-grid {
	display: grid;
	grid-template-columns: 1.2fr 0.8fr;
	gap: 18px;
	height: 100%;
	padding-top: 100px;
}

.preview-card {
	border-radius: 22px;
	padding: 22px;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.large-card {
	grid-row: span 2;
	min-height: 300px;
}

.card-title {
	font-size: 34px;
	font-weight: 800;
	line-height: 1.1;
	margin-bottom: 14px;
}

.large-card p,
.preview-card .mini-label {
	color: var(--muted);
}

.big-value {
	font-size: 44px;
	font-weight: 900;
	color: var(--gold);
}

.line-card {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 12px;
}

.line {
	height: 10px;
	border-radius: 999px;
	background: linear-gradient(90deg, rgba(54, 208, 127, 0.9), rgba(255, 217, 120, 0.8));
}

.line.short {
	width: 76%;
}

.line.tiny {
	width: 52%;
}

.preview-float {
	position: absolute;
	padding: 10px 14px;
	border-radius: 999px;
	font-size: 12px;
	font-weight: 700;
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.14);
	backdrop-filter: blur(12px);
}

.preview-float-a {
	top: 30px;
	left: 22px;
}

.preview-float-b {
	top: 70px;
	right: 36px;
}

.preview-float-c {
	bottom: 28px;
	left: 40px;
}

.social-proof {
	display: grid;
	grid-template-columns: repeat(5, minmax(0, 1fr));
	gap: 16px;
	padding: 24px 0 4px;
	color: #d2e7d9;
	font-weight: 700;
	font-size: 14px;
}

.social-proof div {
	padding: 16px 18px;
	text-align: center;
	border-radius: 18px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	background: rgba(255, 255, 255, 0.03);
}

.section {
	padding: 92px 0 12px;
}

.section-heading {
	max-width: 840px;
	margin-bottom: 34px;
}

.section-heading h2 {
	margin: 18px 0 14px;
	font-size: clamp(30px, 4vw, 54px);
	line-height: 1.08;
	letter-spacing: -0.03em;
}

.section-heading.narrow {
	max-width: 760px;
}

.feature-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 20px;
}

.feature-card,
.use-case-card,
.faq-item {
	padding: 28px;
	border-radius: 28px;
}

.feature-card.featured {
	background:
		linear-gradient(135deg, rgba(54, 208, 127, 0.18), rgba(255, 217, 120, 0.08)),
		rgba(255, 255, 255, 0.06);
}

.use-case-grid,
.faq-list,
.pricing-grid {
	display: grid;
	gap: 20px;
}

.use-case-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pricing-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
	align-items: stretch;
}

.pricing-card {
	position: relative;
	padding: 32px;
	border-radius: 30px;
}

.pricing-card.popular {
	transform: translateY(-8px);
	border-color: rgba(54, 208, 127, 0.34);
	background:
		linear-gradient(180deg, rgba(54, 208, 127, 0.16), rgba(255, 255, 255, 0.05)),
		rgba(255, 255, 255, 0.06);
}

.plan-tag.hot {
	background: rgba(54, 208, 127, 0.18);
	color: #deffe9;
	border-color: rgba(54, 208, 127, 0.3);
}

.price-row {
	display: flex;
	align-items: baseline;
	gap: 8px;
	margin: 18px 0 10px;
}

.price {
	font-size: 56px;
	font-weight: 900;
	line-height: 1;
}

.period,
.original-price {
	color: var(--muted);
}

.original-price {
	text-decoration: line-through;
	margin-bottom: 18px;
}

.pricing-card ul {
	list-style: none;
	padding: 0;
	margin: 0 0 24px;
	display: grid;
	gap: 12px;
	color: #d8ece0;
}

.pricing-card li {
	position: relative;
	padding-left: 22px;
	line-height: 1.7;
}

.pricing-card li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 11px;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--green);
}

.wide {
	width: 100%;
}

.pricing-note {
	text-align: center;
	margin-top: 26px;
}

.faq-list {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 20px;
	padding: 42px 0 56px;
	margin-top: 80px;
	border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
	display: flex;
	align-items: center;
	gap: 14px;
}

.footer-brand strong {
	display: block;
	margin-bottom: 4px;
}

.footer-brand span {
	color: var(--muted);
	font-size: 14px;
}

.footer-actions {
	display: flex;
	gap: 22px;
	color: #cfe0d5;
}

@media (max-width: 1080px) {
	.hero,
	.feature-grid,
	.pricing-grid,
	.faq-list,
	.use-case-grid,
	.social-proof,
	.hero-metrics {
		grid-template-columns: 1fr;
	}

	.hero {
		padding-top: 54px;
	}

	.hero-visual {
		min-height: auto;
	}

	.preview-grid {
		grid-template-columns: 1fr;
	}

	.large-card {
		grid-row: auto;
	}
}

@media (max-width: 760px) {
	.page-shell {
		padding: 16px;
	}

	.site-header,
	.site-footer,
	.nav-links,
	.hero-actions {
		flex-direction: column;
		align-items: stretch;
	}

	.nav-links,
	.footer-actions {
		justify-content: center;
		flex-wrap: wrap;
	}

	.hero h1 {
		font-size: 42px;
	}

	.section {
		padding-top: 70px;
	}

	.feature-card,
	.use-case-card,
	.faq-item,
	.pricing-card,
	.metric-card {
		padding: 22px;
	}

	.price {
		font-size: 42px;
	}
}
