body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF5722; font-size: 2.5em; }
        h2 { color: #4CAF50; font-size: 1.8em; margin-top: 30px; }
        h3 { color: #2196F3; font-size: 1.4em; margin-top: 25px; }
        .logo { font-size: 2em; font-weight: bold; color: #FF5722; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); }
        .nav { background-color: #333; padding: 10px; margin-bottom: 20px; }
        .nav a { color: white; margin: 0 15px; text-decoration: none; }
        .mobile-nav-toggle { display: none; background: #4CAF50; color: white; border: none; padding: 10px; margin-bottom: 10px; }
        .download-btn, .login-btn { display: inline-block; background: #FF5722; color: white; padding: 12px 25px; margin: 15px 0; text-decoration: none; border-radius: 5px; }
        .image-container { text-align: center; margin: 25px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tag { background: #f0f0f0; padding: 5px 10px; margin: 5px; border-radius: 20px; display: inline-block; }
        footer { margin-top: 50px; padding: 20px; background: #333; color: white; }
        @media (max-width: 768px) {
            .nav { display: none; }
            .mobile-nav-toggle { display: block; }
            .nav.active { display: block; }
            h1 { font-size: 2em; }
            h2 { font-size: 1.5em; }
        }