body {
    margin: 40px auto;
    max-width: 1050px;
    line-height: 1.6;
    font-size: 16.5px;
    color: #444;
    padding: 0 10px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

h1 {
    font-size: 2.2em;
    color: #222;
    margin: 1.5em 0 0.5em 0;
    line-height: 1.2;
}

h2 {
    font-size: 1.6em;
    color: #333;
    margin: 1.3em 0 0.4em 0;
    line-height: 1.2;
}

h3 {
    font-size: 1.3em;
    color: #444;
    margin: 1.1em 0 0.3em 0;
    line-height: 1.2;
}

p {
    margin: 1em 0;
}

a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

blockquote {
    margin: 1.5em 0;
    padding: 0 1.5em;
    border-left: 3px solid #ddd;
    color: #666;
    font-style: italic;
}

code {
    background: #f4f4f4;
    padding: 2px 4px;
    border-radius: 3px;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.9em;
}

pre {
    background: #f4f4f4;
    padding: 1em;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1.5em 0;
}

pre code {
    background: none;
    padding: 0;
}

img {
    width: 100%
}