* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: #f5f6fa;
            padding: 40px 20px;
        }
        
        .container {
            max-width: 900px;
            margin: 0 auto;
            background: white;
            padding: 60px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }
        
        h1 {
            font-size: 36px;
            color: #1a1d3a;
            margin-bottom: 12px;
            font-weight: 900;
        }
        
        .last-updated {
            color: #666;
            font-size: 14px;
            margin-bottom: 40px;
        }
        
        h2 {
            font-size: 24px;
            color: #1a1d3a;
            margin-top: 48px;
            margin-bottom: 16px;
            font-weight: 700;
        }
        
        h3 {
            font-size: 18px;
            color: #2d2550;
            margin-top: 32px;
            margin-bottom: 12px;
            font-weight: 600;
        }
        
        p {
            margin-bottom: 16px;
            color: #444;
        }
        
        ul, ol {
            margin-left: 24px;
            margin-bottom: 16px;
        }
        
        li {
            margin-bottom: 8px;
            color: #444;
        }
        
        .highlight {
            background: linear-gradient(135deg, #ff6b6b 0%, #ff8a9b 100%);
            color: white;
            padding: 20px;
            border-radius: 8px;
            margin: 32px 0;
        }
        
        .highlight h3 {
            color: white;
            margin-top: 0;
        }
        
        .highlight ul {
            margin-top: 12px;
        }
        
        .highlight li {
            color: white;
        }
        
        a {
            color: #ff6b6b;
            text-decoration: none;
            font-weight: 500;
        }
        
        a:hover {
            text-decoration: underline;
        }
        
        .contact-box {
            background: #f9fafb;
            border-left: 4px solid #ff6b6b;
            padding: 20px;
            margin: 32px 0;
            border-radius: 4px;
        }
        
        .toc {
            background: #f9fafb;
            padding: 24px;
            border-radius: 8px;
            margin: 32px 0;
        }
        
        .toc h3 {
            margin-top: 0;
            color: #1a1d3a;
        }
        
        .toc ul {
            margin-bottom: 0;
        }
        
        .toc li {
            margin-bottom: 4px;
        }
        

        @media (max-width: 768px) {
            .container {
                padding: 30px 20px;
            }
            
            h1 {
                font-size: 28px;
            }
            
            h2 {
                font-size: 20px;
            }
        }