body { font-family: Arial, sans-serif; line-height: 1.6; padding: 20px; max-width: 1200px; margin: auto; }
        h1, h2, h3 { color: #004080; }
        table { border-collapse: collapse; width: 100%; margin-top: 20px; }
        th, td { border: 1px solid #ccc; padding: 10px; text-align: center; }
        ul { margin-left: 20px; }
        a { color: #0066cc; text-decoration: none; }
        a:hover { text-decoration: underline; }
        .toc ul { list-style-type: none; padding-left: 0; }