body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 20px;
    line-height: 1.6;
    color: #1b1f23;
    background: #ffffff;
}

h1 {
    margin-bottom: 8px;
}

h2 {
    margin-top: 32px;
}

a {
    color: #0066cc;
}

nav {
    margin: 20px 0;
}

nav a {
    margin-right: 16px;
}

footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    color: #666;
    font-size: 14px;
}