:root {
	--text: #111;
	--muted: #666;
	--border: #ddd;
	--max-width: 980px;
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	min-height: 100%;
	font: 14px/1.5 Arial, Helvetica, sans-serif;
	color: var(--text);
	background: #fff;
}

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

a:hover {
	text-decoration: underline;
}

ul {
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-shell {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.site-main {
	flex: 1;
}

.container {
	width: 90%;
	max-width: var(--max-width);
	margin: 0 auto;
}

.site-header,
.site-footer {
	border-bottom: 1px solid var(--border);
	text-align: center;
	padding: 14px 0;
}

.site-footer {
	border-top: 1px solid var(--border);
	border-bottom: 0;
	margin-top: auto;
}

.header-inner,
.footer-inner {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.language-nav,
.mainnav-list,
.footernav-list {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 14px;
}

.lang-link,
.footer-text,
.footer-copy,
.page-intro,
.text-page p,
.text-page li,
.spec-value {
	color: var(--muted);
}

.site-logo {
	font-weight: bold;
	letter-spacing: 0.08em;
}

.page-header {
	border-bottom: 1px solid var(--border);
	padding: 14px 0 12px;
}

.page-header h1 {
	margin: 0;
	font-size: 28px;
	font-weight: normal;
	text-align: left;
}

.page-content {
	padding: 20px 0 40px;
}

.page-intro {
	margin: 0 0 24px;
	text-align: left;
}

.home-hero {
	padding: 64px 0 80px;
	text-align: center;
}

.home-hero h1 {
	margin: 0 0 12px;
	font-size: 48px;
	font-weight: normal;
}

.home-hero p {
	margin: 0;
	color: var(--muted);
}

.card-grid {
	display: grid;
	gap: 12px;
}

.card {
	border: 1px solid var(--border);
	padding: 18px;
}

.card h2 {
	margin: 0 0 10px;
	font-size: 22px;
	font-weight: normal;
}

.card p {
	margin: 0 0 14px;
	color: var(--muted);
}

.button {
	display: inline-block;
	padding: 7px 12px;
	border: 1px solid var(--border);
	background: #fff;
}

.button:hover {
	background: #f7f7f7;
	text-decoration: none;
}

.doc-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-top: 20px;
}

.spec-table {
	margin-top: 20px;
	border-top: 1px solid var(--border);
}

.spec-row {
	display: grid;
	grid-template-columns: 220px 1fr;
	gap: 16px;
	padding: 10px 0;
	border-bottom: 1px solid var(--border);
}

.text-page {
	max-width: 700px;
	margin: 0 auto;
	text-align: left;
}

.text-page h1 {
	margin: 0 0 20px;
	font-size: 28px;
	font-weight: normal;
	text-align: left;
}

.text-page ul {
	margin: 0 0 16px;
	padding-left: 18px;
}

.spec-label {
	color: var(--text);
}

.spec-list {
	margin: 0;
	padding-left: 18px;
}

.spec-list li {
	margin-bottom: 4px;
}

@media (max-width: 700px) {
	.home-hero h1 {
		font-size: 34px;
	}

	.page-header h1,
	.text-page h1 {
		font-size: 24px;
	}

	.spec-row {
		grid-template-columns: 1fr;
		gap: 4px;
	}
}

.breadcrumb {
	border-bottom: 1px solid var(--border);
	padding: 10px 0;
}

.breadcrumb-list {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0;
	padding: 0;
	list-style: none;
	font-size: 12px;
}

.breadcrumb-item {
	color: var(--muted);
}

.breadcrumb-item + .breadcrumb-item::before {
	content: "/";
	margin-right: 8px;
	color: var(--muted);
}

.breadcrumb a {
	color: inherit;
}

.breadcrumb span {
	color: var(--text);
}