body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1, h2, h3 { color: #2c3e50; }
        h1 { font-size: 2.5em; border-bottom: 2px solid #e74c3c; padding-bottom: 10px; }
        h2 { font-size: 1.8em; margin-top: 30px; }
        h3 { font-size: 1.4em; color: #e74c3c; }
        .logo { font-size: 2em; font-weight: bold; color: #e74c3c; text-decoration: none; }
        nav { background: #34495e; padding: 10px; margin-bottom: 20px; }
        nav a { color: white; margin-right: 15px; text-decoration: none; }
        .mobile-nav-toggle { display: none; background: #e74c3c; color: white; border: none; padding: 10px; margin-bottom: 10px; }
        .btn { display: inline-block; background: #e74c3c; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .tag { background: #f1f1f1; padding: 5px 10px; margin-right: 5px; border-radius: 3px; }
        footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid #eee; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav { display: none; }
            nav.active { display: block; }
            nav a { display: block; margin: 5px 0; }
        }