* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.container {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-align: center;
}

h2 {
    color: #34495e;
    font-size: 1.8rem;
    margin: 30px 0 15px 0;
    border-bottom: 2px solid #3498db;
    padding-bottom: 8px;
}

h3 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin: 25px 0 10px 0;
}

p {
    margin-bottom: 15px;
    text-align: justify;
}

.last-updated {
    text-align: center;
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 30px;
}

.summary {
    background: #ecf0f1;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #3498db;
}

.toc {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.toc ol {
    margin-left: 20px;
}

.toc li {
    margin: 8px 0;
}

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

.toc a:hover {
    text-decoration: underline;
}

ul, ol {
    margin: 15px 0;
    padding-left: 30px;
}

li {
    margin: 8px 0;
}

.contact-info {
    background: #e8f4fd;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #3498db;
}

.highlight {
    background: #fff3cd;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid #ffc107;
    margin: 15px 0;
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.2rem;
    }
}