body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; background: #ff9900; padding: 10px; text-align: center; }
        .mobile-nav button { background: none; border: none; color: white; font-size: 18px; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
        }
        nav { background: #ff9900; padding: 15px; margin-bottom: 30px; }
        nav a { color: white; text-decoration: none; margin: 0 15px; font-weight: bold; }
        h1 { color: #ff6600; font-size: 2.5em; text-align: center; }
        h2 { color: #ff8c00; border-bottom: 2px solid #ffcc00; padding-bottom: 5px; margin-top: 40px; }
        h3 { color: #ff9933; }
        .download-btn, .login-btn { display: inline-block; background: #ff6600; color: white; padding: 12px 25px; margin: 20px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border: 3px solid #ffcc00; }
        .tag { background: #ffcc00; color: black; padding: 3px 8px; border-radius: 3px; margin: 5px; display: inline-block; }
        footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 50px; }