body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
	max-width: 900px;
	margin: 0 auto;
	padding: 20px;
	line-height: 1.6;
	color: #333;
}
.toc {
	background: #f5f5f5;
	border: 1px solid #ddd;
	border-radius: 5px;
	padding: 15px 20px;
	margin-bottom: 30px;
}
.toc h2 {
	margin-top: 0;
	font-size: 1.2em;
}
.toc ul {
	list-style: none;
	padding-left: 0;
}
.toc li {
	margin: 5px 0;
}
.toc a {
	color: #0066cc;
	text-decoration: none;
}
.toc a:hover {
	text-decoration: underline;
}
.toc-h1 { padding-left: 0; font-weight: bold; }
.toc-h2 { padding-left: 20px; }
.toc-h3 { padding-left: 40px; }
.toc-h4 { padding-left: 60px; }
.toc-h5 { padding-left: 80px; }
.toc-h6 { padding-left: 100px; }
h1, h2, h3, h4, h5, h6 {
	margin-top: 1.5em;
	margin-bottom: 0.5em;
}
h1 { border-bottom: 2px solid #ddd; padding-bottom: 0.3em; font-size: 2em; }
h2 { border-bottom: 1px solid #eee; padding-bottom: 0.3em; font-size: 1.5em; }
h3 { font-size: 1.25em; }
h4 { font-size: 1.1em; }
h5 { font-size: 1em; }
h6 { font-size: 0.9em; color: #666; }
pre {
	background: #f6f8fa;
	padding: 15px;
	border-radius: 5px;
	overflow-x: auto;
	border: 1px solid #e1e4e8;
}
code {
	font-family: 'Courier New', Consolas, monospace;
	background: #f6f8fa;
	padding: 2px 6px;
	border-radius: 3px;
	font-size: 0.9em;
}
pre code {
	background: none;
	padding: 0;
}
blockquote {
	border-left: 4px solid #ddd;
	padding-left: 20px;
	margin: 20px 0;
	color: #666;
	font-style: italic;
}
hr {
	border: none;
	border-top: 2px solid #eee;
	margin: 30px 0;
}
ul, ol {
	padding-left: 30px;
	margin: 15px 0;
}
li {
	margin: 5px 0;
}
a {
	color: #0066cc;
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}
img {
	max-width: 100%;
	height: auto;
	border-radius: 5px;
	margin: 10px 0;
}
del {
	color: #999;
}
strong {
	font-weight: 600;
}
em {
	font-style: italic;
}
p {
	margin: 15px 0;
}