body {
    font-family: Georgia, 'Times New Roman', Times, serif;
    line-height: 1.6;
    color: #000;
    background-color: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 1em;
}

a {
    color: #00e;
    text-decoration: none;
}

a:visited {
    color: #551a8b;
}

a:hover {
    text-decoration: underline;
}

hr {
    border: none;
    border-top: 1px solid #999;
    margin: 1.5em 0;
}

h1 {
    font-size: 1.5em;
    margin-bottom: 0.2em;
}

h2 {
    font-size: 1.3em;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

h3 {
    font-size: 1.1em;
    margin-top: 1.2em;
    margin-bottom: 0.4em;
}

.subtitle {
    color: #555;
    font-size: 0.95em;
    margin-bottom: 1em;
}

.toc {
    margin: 1em 0;
}

.toc ul {
    margin: 0.5em 0;
    padding-left: 2em;
}

.toc li {
    margin: 0.2em 0;
}

p {
    margin: 0.5em 0;
}

ul, ol {
    margin: 0.5em 0;
    padding-left: 2em;
}

li {
    margin: 0.2em 0;
}

code {
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

pre {
    background: #f4f4f4;
    padding: 0.5em;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.4;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
    font-size: 0.95em;
}

th, td {
    border: 1px solid #999;
    padding: 0.4em 0.6em;
    text-align: left;
}

th {
    background: #f4f4f4;
}

footer {
    margin-top: 2em;
    padding-top: 1em;
    border-top: 1px solid #999;
    font-size: 0.85em;
    color: #555;
}