body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
    color: #333;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
    border-bottom: 2px solid #eee;
}

h1 {
    margin: 0;
    color: #2c3e50;
    font-size: 2em;
}

.author {
    color: #7f8c8d;
    font-size: 1.1em;
    margin-top: 10px;
}

.date {
    color: #95a5a6;
    font-size: 0.9em;
    margin-top: 5px;
}

h2 {
    color: #34495e;
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
    margin-top: 30px;
}

h3 {
    color: #34495e;
    margin-top: 25px;
}

pre {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
    line-height: 1.4;
}

code {
    background-color: #f1f3f4;
    padding: 2px 4px;
    border-radius: 3px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9em;
}

pre code {
    background-color: transparent;
    padding: 0;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    color: #2980b9;
    text-decoration: underline;
}

.figure {
    text-align: center;
    margin: 20px 0;
}

.figure img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

ul, ol {
    padding-left: 20px;
}

li {
    margin-bottom: 5px;
}

blockquote {
    border-left: 4px solid #3498db;
    margin: 20px 0;
    padding: 10px 20px;
    background-color: #f8f9fa;
    font-style: italic;
}

.navigation {
    text-align: center;
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.navigation a {
    color: #3498db;
    text-decoration: none;
    padding: 8px 16px;
    border: 1px solid #3498db;
    border-radius: 4px;
    transition: all 0.3s;
    margin: 0 10px;
}

.navigation a:hover {
    background-color: #3498db;
    color: white;
}