* { margin: 0; padding: 0; box-sizing: border-box; }
body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	line-height: 1.6;
	color: #333;
	background: #fff;
	padding: 0 20px;
}
.container {
	max-width: 800px;
	margin: 40px auto;
	padding-bottom: 60px;
}
h1 {
	font-size: 1.75rem;
	margin-bottom: 8px;
	color: #111;
}
.meta {
	color: #666;
	font-size: 0.875rem;
	margin-bottom: 24px;
}
hr {
	border: none;
	border-top: 1px solid #e0e0e0;
	margin: 24px 0;
}
h2 {
	font-size: 1.15rem;
	margin: 24px 0 12px;
	color: #222;
}
h3 {
	font-size: 1rem;
	margin: 16px 0 8px;
	color: #333;
}
p { margin-bottom: 12px; }
ul, ol {
	margin: 0 0 12px 24px;
}
li { margin-bottom: 4px; }
strong { color: #111; }
code {
	background: #f4f4f4;
	padding: 2px 5px;
	border-radius: 3px;
	font-size: 0.9em;
}
.back-link {
	display: inline-block;
	margin-top: 24px;
	color: #5389D4;
	text-decoration: none;
	font-size: 0.9rem;
}
.back-link:hover { text-decoration: underline; }