body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { font-size: 2.5em; color: #FF4500; text-align: center; margin-bottom: 30px; }
        h2 { font-size: 1.8em; color: #2E8B57; margin-top: 40px; }
        h3 { font-size: 1.4em; color: #4169E1; margin-top: 30px; }
        .logo { font-size: 2em; font-weight: bold; color: #FF4500; text-align: center; margin: 20px 0; }
        .nav { background-color: #333; overflow: hidden; display: flex; justify-content: space-between; align-items: center; padding: 10px 20px; }
        .nav a { color: white; text-decoration: none; padding: 10px 15px; }
        .mobile-nav-toggle { display: none; background: none; border: none; color: white; font-size: 1.5em; cursor: pointer; }
        .download-btn, .login-btn { display: inline-block; background-color: #4CAF50; color: white; padding: 12px 25px; text-align: center; text-decoration: none; font-size: 16px; margin: 20px 0; border-radius: 5px; }
        .download-btn:hover, .login-btn:hover { background-color: #45a049; }
        .image-container { text-align: center; margin: 30px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background-color: #f0f0f0; padding: 5px 10px; margin-right: 5px; border-radius: 3px; text-decoration: none; color: #333; }
        .footer { background-color: #333; color: white; text-align: center; padding: 20px; margin-top: 50px; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; }
            .mobile-nav-toggle { display: block; }
            .nav-links { display: none; width: 100%; text-align: center; }
            .nav-links.active { display: block; }
            .nav-links a { display: block; padding: 10px; }
        }