body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    color: #333;
}
header, footer {
    text-align: center;
    margin-bottom: 30px;
}
nav a {
    color: #0066cc;
    text-decoration: none;
}
nav a:hover {
    text-decoration: underline;
}
article header h2 {
    color: #2c3e50;
}
.meta {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 20px;
}
.author {
    margin-top: 40px;
    border-top: 1px solid #eee;
    padding-top: 20px;
    font-style: italic;
}
.back-link {
    margin-top: 50px;
    text-align: center;
}
.back-link a {
    color: #0066cc;
    text-decoration: none;
}