:root {
	color-scheme: light;
	font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
		"PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
	color: #20232a;
	background: #f7f5f3;
	font-synthesis: none;
	text-rendering: optimizeLegibility;
	--brand: #c73d54;
	--brand-dark: #a62f45;
	--brand-deep: #6f2735;
	--brand-soft: #fff1f3;
	--brand-line: #f0c7ce;
	--ink: #20232a;
	--muted: #666d78;
	--line: #e7e1de;
	--paper: #ffffff;
	--paper-warm: #fbfaf9;
	--success: #1b7a50;
	--success-soft: #eaf8f1;
	--warning: #936210;
	--warning-soft: #fff7e4;
	--shadow: 0 24px 70px rgba(73, 34, 39, 0.09);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
	scroll-padding-top: 96px;
}

body {
	min-width: 320px;
	margin: 0;
	background:
		radial-gradient(circle at 10% 0, rgba(199, 61, 84, 0.08), transparent 31rem),
		linear-gradient(180deg, #fbf9f7 0, #f7f5f3 38rem, #f7f5f3 100%);
}

a {
	color: var(--brand-dark);
	text-underline-offset: 3px;
}

a:hover {
	color: var(--brand);
}

a:focus-visible,
summary:focus-visible {
	outline: 3px solid rgba(199, 61, 84, 0.27);
	outline-offset: 3px;
}

code {
	padding: 0.13em 0.4em;
	border-radius: 5px;
	color: #8b2940;
	background: #fff0f2;
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	font-size: 0.9em;
	word-break: break-word;
}

.skip-link {
	position: fixed;
	top: 12px;
	left: 12px;
	z-index: 100;
	padding: 10px 14px;
	border-radius: 10px;
	color: #fff;
	background: var(--brand-dark);
	transform: translateY(-180%);
}

.skip-link:focus {
	transform: translateY(0);
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 20;
	border-bottom: 1px solid rgba(166, 47, 69, 0.1);
	background: rgba(251, 249, 247, 0.9);
	backdrop-filter: blur(18px);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: min(1160px, calc(100% - 40px));
	min-height: 72px;
	margin: 0 auto;
	gap: 24px;
}

.brand-lockup {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	color: var(--ink);
	text-decoration: none;
}

.brand-lockup img {
	width: 38px;
	height: 38px;
	border-radius: 10px;
	box-shadow: 0 8px 22px rgba(166, 47, 69, 0.15);
}

.brand-lockup strong,
.brand-lockup span {
	display: block;
}

.brand-lockup strong {
	font-size: 15px;
	letter-spacing: 0.01em;
}

.brand-lockup span {
	margin-top: 2px;
	color: var(--muted);
	font-size: 12px;
}

.language-switch {
	display: inline-flex;
	padding: 4px;
	border: 1px solid var(--line);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.8);
}

.language-switch a,
.language-switch span {
	min-width: 55px;
	padding: 7px 11px;
	border-radius: 999px;
	font-size: 12px;
	font-weight: 750;
	text-align: center;
	text-decoration: none;
}

.language-switch a {
	color: var(--muted);
}

.language-switch [aria-current="page"] {
	color: #fff;
	background: var(--brand-dark);
	box-shadow: 0 5px 14px rgba(166, 47, 69, 0.18);
}

.page-shell {
	width: min(1160px, calc(100% - 40px));
	margin: 34px auto 64px;
}

.hero {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1.25fr) minmax(290px, 0.75fr);
	align-items: center;
	overflow: hidden;
	padding: clamp(34px, 6vw, 66px);
	border-radius: 28px;
	color: var(--brand-deep);
	background:
		linear-gradient(125deg, #fff2f3 0%, #ffdadd 58%, #ffc4ca 100%);
	box-shadow: var(--shadow);
	gap: clamp(30px, 5vw, 64px);
}

.hero::before,
.hero::after {
	content: "";
	position: absolute;
	border: 1px solid rgba(166, 47, 69, 0.16);
	border-radius: 50%;
	pointer-events: none;
}

.hero::before {
	width: 430px;
	height: 430px;
	right: -190px;
	top: -250px;
}

.hero::after {
	width: 230px;
	height: 230px;
	right: 185px;
	bottom: -190px;
}

.hero__content,
.hero__demo {
	position: relative;
	z-index: 1;
}

.hero__kicker {
	margin: 0 0 15px;
	color: var(--brand-dark);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.17em;
	text-transform: uppercase;
}

.hero h1 {
	margin: 0;
	font-size: clamp(36px, 5.6vw, 62px);
	line-height: 1.06;
	letter-spacing: -0.035em;
}

.hero__lead {
	max-width: 690px;
	margin: 22px 0 0;
	color: #6b3a43;
	font-size: clamp(15px, 2vw, 18px);
	line-height: 1.78;
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 28px;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 0 17px;
	border: 1px solid transparent;
	border-radius: 11px;
	font-size: 14px;
	font-weight: 750;
	text-decoration: none;
}

.button--primary {
	color: var(--brand-dark);
	background: #fff;
	box-shadow: 0 10px 28px rgba(166, 47, 69, 0.14);
}

.button--primary:hover {
	color: var(--brand);
	background: #fff7f8;
}

.button--secondary {
	border-color: rgba(166, 47, 69, 0.28);
	color: var(--brand-dark);
	background: rgba(255, 255, 255, 0.42);
}

.button--secondary:hover {
	color: var(--brand-deep);
	background: rgba(255, 255, 255, 0.7);
}

.hero__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 18px;
	margin-top: 22px;
	color: #7d4b54;
	font-size: 12px;
}

.hero__meta span::before {
	content: "";
	display: inline-block;
	width: 6px;
	height: 6px;
	margin-right: 7px;
	border-radius: 50%;
	background: var(--brand);
	vertical-align: 1px;
}

.browser-card {
	overflow: hidden;
	border: 1px solid rgba(166, 47, 69, 0.16);
	border-radius: 18px;
	color: var(--ink);
	background: rgba(255, 255, 255, 0.97);
	box-shadow: 0 22px 55px rgba(126, 39, 56, 0.16);
	transform: rotate(1.2deg);
}

.browser-card__bar {
	display: flex;
	align-items: center;
	padding: 12px 14px;
	border-bottom: 1px solid #eee8e6;
	gap: 6px;
}

.browser-card__bar i {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: #ddd4d1;
}

.browser-card__address {
	flex: 1;
	margin-left: 7px;
	padding: 6px 9px;
	border-radius: 7px;
	color: #8b8584;
	background: #f6f3f2;
	font-size: 10px;
}

.browser-card__body {
	padding: 22px;
}

.recognition-pill {
	display: inline-flex;
	align-items: center;
	padding: 6px 9px;
	border-radius: 999px;
	color: var(--success);
	background: var(--success-soft);
	font-size: 11px;
	font-weight: 800;
}

.recognition-pill::before {
	content: "✓";
	margin-right: 5px;
}

.browser-card h2 {
	margin: 14px 0 7px;
	font-size: 18px;
	line-height: 1.35;
}

.browser-card p {
	margin: 0;
	color: var(--muted);
	font-size: 12px;
	line-height: 1.6;
}

.save-preview {
	display: grid;
	grid-template-columns: 1fr auto;
	align-items: center;
	margin-top: 18px;
	padding: 12px;
	border: 1px solid var(--brand-line);
	border-radius: 12px;
	background: var(--brand-soft);
	gap: 12px;
}

.save-preview strong,
.save-preview span {
	display: block;
}

.save-preview strong {
	font-size: 12px;
}

.save-preview span {
	margin-top: 3px;
	color: var(--muted);
	font-size: 10px;
}

.save-preview b {
	padding: 7px 10px;
	border-radius: 8px;
	color: #fff;
	background: var(--brand-dark);
	font-size: 10px;
}

.quick-facts {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 14px;
	margin: 18px 0 32px;
}

.quick-fact {
	display: flex;
	align-items: flex-start;
	gap: 13px;
	min-height: 108px;
	padding: 21px;
	border: 1px solid var(--line);
	border-radius: 18px;
	background: rgba(255, 255, 255, 0.9);
	box-shadow: 0 12px 30px rgba(73, 34, 39, 0.04);
}

.quick-fact__mark {
	display: grid;
	width: 33px;
	height: 33px;
	flex: 0 0 auto;
	place-items: center;
	border-radius: 10px;
	color: var(--brand-dark);
	background: var(--brand-soft);
	font-size: 15px;
	font-weight: 900;
}

.quick-fact strong,
.quick-fact span {
	display: block;
}

.quick-fact strong {
	font-size: 15px;
}

.quick-fact span {
	margin-top: 5px;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.55;
}

.content-layout {
	display: grid;
	grid-template-columns: 238px minmax(0, 1fr);
	align-items: start;
	gap: 28px;
}

.sidebar {
	position: sticky;
	top: 98px;
	display: grid;
	gap: 14px;
}

.table-of-contents,
.sidebar-card {
	padding: 20px;
	border: 1px solid var(--line);
	border-radius: 18px;
	background: rgba(255, 255, 255, 0.84);
}

.table-of-contents h2,
.sidebar-card h2 {
	margin: 0 0 12px;
	color: var(--muted);
	font-size: 12px;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.table-of-contents ol {
	display: grid;
	margin: 0;
	padding: 0;
	gap: 2px;
	list-style: none;
	counter-reset: section;
}

.table-of-contents li {
	counter-increment: section;
}

.table-of-contents a {
	display: grid;
	grid-template-columns: 24px 1fr;
	padding: 8px 9px;
	border-radius: 9px;
	color: #555c67;
	font-size: 13px;
	line-height: 1.35;
	text-decoration: none;
}

.table-of-contents a::before {
	content: counter(section, decimal-leading-zero);
	color: #a9a1a0;
	font-variant-numeric: tabular-nums;
}

.table-of-contents a:hover {
	color: var(--brand-dark);
	background: var(--brand-soft);
}

.sidebar-card p {
	margin: 0 0 12px;
	color: var(--muted);
	font-size: 12px;
	line-height: 1.6;
}

.sidebar-links {
	display: grid;
	gap: 7px;
}

.sidebar-links a {
	padding: 8px 9px;
	border-radius: 9px;
	font-size: 13px;
	font-weight: 700;
	text-decoration: none;
}

.sidebar-links a:hover {
	background: var(--brand-soft);
}

.guide {
	overflow: hidden;
	border: 1px solid var(--line);
	border-radius: 24px;
	background: var(--paper);
	box-shadow: 0 18px 50px rgba(73, 34, 39, 0.055);
}

.guide-section {
	padding: clamp(28px, 5vw, 50px);
	border-bottom: 1px solid var(--line);
}

.guide-section:last-child {
	border-bottom: 0;
}

.guide-section__number {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	height: 24px;
	margin-bottom: 13px;
	padding: 0 9px;
	border-radius: 999px;
	color: var(--brand-dark);
	background: var(--brand-soft);
	font-size: 11px;
	font-weight: 800;
	letter-spacing: 0.08em;
}

.guide-section h2 {
	margin: 0 0 18px;
	color: #191b20;
	font-size: clamp(23px, 3vw, 30px);
	line-height: 1.25;
	letter-spacing: -0.018em;
}

.guide-section h3 {
	margin: 25px 0 9px;
	font-size: 17px;
}

.guide-section > p,
.guide-section li {
	font-size: 15px;
	line-height: 1.82;
}

.guide-section > p {
	margin: 0 0 16px;
}

.guide-section > p:last-child {
	margin-bottom: 0;
}

.callout {
	display: grid;
	grid-template-columns: auto 1fr;
	align-items: start;
	margin: 22px 0;
	padding: 18px 20px;
	border: 1px solid var(--brand-line);
	border-radius: 14px;
	background: var(--brand-soft);
	gap: 13px;
}

.callout--warning {
	border-color: #eed9ad;
	background: var(--warning-soft);
}

.callout__mark {
	display: grid;
	width: 27px;
	height: 27px;
	place-items: center;
	border-radius: 50%;
	color: #fff;
	background: var(--brand-dark);
	font-size: 13px;
	font-weight: 900;
}

.callout--warning .callout__mark {
	background: var(--warning);
}

.callout strong,
.callout span {
	display: block;
}

.callout strong {
	margin-bottom: 4px;
	font-size: 14px;
}

.callout span {
	color: var(--muted);
	font-size: 13px;
	line-height: 1.65;
}

.steps {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin: 24px 0 0;
	padding: 0;
	gap: 13px;
	list-style: none;
	counter-reset: steps;
}

.steps li {
	position: relative;
	min-height: 150px;
	margin: 0;
	padding: 21px;
	border: 1px solid var(--line);
	border-radius: 15px;
	background: var(--paper-warm);
	counter-increment: steps;
}

.steps li::before {
	content: counter(steps, decimal-leading-zero);
	display: block;
	margin-bottom: 12px;
	color: var(--brand);
	font-size: 12px;
	font-weight: 850;
	letter-spacing: 0.08em;
}

.steps strong,
.steps span {
	display: block;
}

.steps strong {
	font-size: 15px;
}

.steps span {
	margin-top: 7px;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.65;
}

.method-grid,
.status-grid,
.privacy-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin-top: 22px;
	gap: 13px;
}

.method-card,
.status-card,
.privacy-card {
	padding: 21px;
	border: 1px solid var(--line);
	border-radius: 15px;
	background: var(--paper-warm);
}

.method-card__icon,
.privacy-card__icon {
	display: grid;
	width: 38px;
	height: 38px;
	place-items: center;
	margin-bottom: 15px;
	border-radius: 11px;
	color: var(--brand-dark);
	background: var(--brand-soft);
	font-size: 17px;
	font-weight: 850;
}

.method-card h3,
.status-card h3,
.privacy-card h3 {
	margin: 0 0 8px;
	font-size: 16px;
}

.method-card p,
.status-card p,
.privacy-card p {
	margin: 0;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.67;
}

.content-types {
	display: flex;
	flex-wrap: wrap;
	margin-top: 20px;
	gap: 8px;
}

.content-types span {
	padding: 7px 10px;
	border: 1px solid var(--line);
	border-radius: 999px;
	color: #555c67;
	background: #fff;
	font-size: 12px;
	font-weight: 700;
}

.status-card {
	position: relative;
	padding-left: 46px;
}

.status-card::before {
	content: "";
	position: absolute;
	top: 23px;
	left: 21px;
	width: 11px;
	height: 11px;
	border-radius: 50%;
	background: #a7adb5;
	box-shadow: 0 0 0 5px #f0f1f2;
}

.status-card--success::before {
	background: var(--success);
	box-shadow: 0 0 0 5px var(--success-soft);
}

.status-card--warning::before {
	background: var(--warning);
	box-shadow: 0 0 0 5px var(--warning-soft);
}

.troubleshooting {
	display: grid;
	margin-top: 22px;
	border-top: 1px solid var(--line);
}

.troubleshooting details {
	border-bottom: 1px solid var(--line);
}

.troubleshooting summary {
	position: relative;
	padding: 19px 42px 19px 2px;
	cursor: pointer;
	font-size: 15px;
	font-weight: 750;
	list-style: none;
}

.troubleshooting summary::-webkit-details-marker {
	display: none;
}

.troubleshooting summary::after {
	content: "+";
	position: absolute;
	top: 17px;
	right: 4px;
	display: grid;
	width: 26px;
	height: 26px;
	place-items: center;
	border-radius: 50%;
	color: var(--brand-dark);
	background: var(--brand-soft);
	font-size: 18px;
	font-weight: 500;
}

.troubleshooting details[open] summary::after {
	content: "−";
}

.troubleshooting__content {
	padding: 0 42px 20px 2px;
	color: var(--muted);
}

.troubleshooting__content p,
.troubleshooting__content ol,
.troubleshooting__content ul {
	margin: 0;
	font-size: 14px;
	line-height: 1.75;
}

.troubleshooting__content ol,
.troubleshooting__content ul {
	padding-left: 21px;
}

.troubleshooting__content li + li {
	margin-top: 6px;
}

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

.faq-list {
	display: grid;
	gap: 11px;
	margin-top: 22px;
}

.faq-list details {
	padding: 0 18px;
	border: 1px solid var(--line);
	border-radius: 13px;
	background: var(--paper-warm);
}

.faq-list summary {
	padding: 16px 28px 16px 0;
	cursor: pointer;
	font-size: 14px;
	font-weight: 750;
}

.faq-list p {
	margin: 0;
	padding: 0 0 17px;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.7;
}

.support-card {
	display: grid;
	grid-template-columns: 1fr auto;
	align-items: center;
	margin-top: 22px;
	padding: 24px;
	border: 1px solid var(--brand-line);
	border-radius: 17px;
	background: var(--brand-soft);
	gap: 22px;
}

.support-card strong,
.support-card span {
	display: block;
}

.support-card strong {
	font-size: 17px;
}

.support-card span {
	max-width: 600px;
	margin-top: 7px;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.65;
}

.support-card .button {
	color: #fff;
	background: var(--brand-dark);
}

.support-card .button:hover {
	color: #fff;
	background: var(--brand);
}

.report-list {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin: 20px 0 0;
	padding: 0;
	gap: 8px 24px;
	list-style: none;
}

.report-list li {
	position: relative;
	margin: 0;
	padding-left: 18px;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.6;
}

.report-list li::before {
	content: "✓";
	position: absolute;
	left: 0;
	color: var(--success);
	font-weight: 850;
}

.page-footer {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	margin-top: 26px;
	padding: 0 6px;
	gap: 24px;
	color: var(--muted);
	font-size: 12px;
	line-height: 1.65;
}

.page-footer p {
	max-width: 780px;
	margin: 0;
}

.page-footer a {
	white-space: nowrap;
}

.visually-hidden {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

@media (max-width: 940px) {
	.hero {
		grid-template-columns: 1fr;
	}

	.hero__demo {
		max-width: 520px;
	}

	.quick-facts,
	.privacy-grid {
		grid-template-columns: 1fr;
	}

	.quick-fact {
		min-height: auto;
	}

	.content-layout {
		grid-template-columns: 1fr;
	}

	.sidebar {
		position: static;
		grid-template-columns: minmax(0, 1fr) minmax(220px, 0.45fr);
	}

	.table-of-contents ol {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (max-width: 680px) {
	html {
		scroll-padding-top: 82px;
	}

	.site-header__inner,
	.page-shell {
		width: min(100% - 28px, 1160px);
	}

	.site-header__inner {
		min-height: 64px;
		gap: 12px;
	}

	.brand-lockup span {
		display: none;
	}

	.language-switch a,
	.language-switch span {
		min-width: auto;
		padding: 6px 8px;
	}

	.page-shell {
		margin-top: 18px;
	}

	.hero {
		padding: 31px 24px;
		border-radius: 20px;
	}

	.hero h1 {
		letter-spacing: -0.025em;
	}

	.hero__actions {
		display: grid;
	}

	.hero__meta {
		display: grid;
		gap: 6px;
	}

	.browser-card {
		transform: none;
	}

	.quick-facts {
		margin-top: 12px;
	}

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

	.table-of-contents ol {
		grid-template-columns: 1fr;
	}

	.guide {
		border-radius: 18px;
	}

	.guide-section {
		padding: 27px 22px;
	}

	.steps,
	.method-grid,
	.status-grid,
	.report-list {
		grid-template-columns: 1fr;
	}

	.steps li {
		min-height: auto;
	}

	.support-card,
	.page-footer {
		grid-template-columns: 1fr;
		flex-direction: column;
		align-items: stretch;
	}

	.support-card .button {
		width: 100%;
	}
}

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

@media print {
	:root,
	body {
		background: #fff;
	}

	.site-header,
	.skip-link,
	.sidebar,
	.quick-facts,
	.page-footer a,
	.hero__demo,
	.hero__actions {
		display: none;
	}

	.page-shell {
		width: 100%;
		margin: 0;
	}

	.hero {
		display: block;
		padding: 0 0 24px;
		border-radius: 0;
		color: #111;
		background: #fff;
		box-shadow: none;
	}

	.hero__kicker,
	.hero__lead,
	.hero__meta {
		color: #333;
	}

	.content-layout {
		display: block;
	}

	.guide {
		border: 0;
		box-shadow: none;
	}

	.guide-section {
		break-inside: avoid;
		padding: 24px 0;
	}
}