body { font-family: 'Arial', sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; color: #333; }
        h1, h2, h3 { color: #FF6B35; margin: 25px 0 15px; }
        h1 { font-size: 2.5em; text-align: center; }
        h2 { font-size: 1.8em; border-bottom: 2px solid #FF6B35; }
        h3 { font-size: 1.4em; }
        .nav { background: #FF6B35; color: white; padding: 15px; position: sticky; top: 0; z-index: 100; display: flex; justify-content: space-between; align-items: center; }
        .nav a { color: white; text-decoration: none; margin: 0 10px; font-weight: bold; }
        .mobile-menu { display: none; }
        .btn { background: #FF6B35; color: white; padding: 10px 20px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 10px 0; }
        img { max-width: 100%; height: auto; margin: 20px 0; }
        .footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; }
            .mobile-menu { display: block; background: white; color: #FF6B35; border: none; padding: 10px; cursor: pointer; }
            .nav-links { display: none; }
            .nav-links.active { display: flex; flex-direction: column; width: 100%; }
            .nav-links a { padding: 10px; text-align: center; }
        }