body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #FF4500; font-size: 2.5em; text-align: center; }
        h2 { color: #008080; font-size: 1.8em; border-bottom: 2px solid #FFD700; padding-bottom: 5px; }
        h3 { color: #4B0082; font-size: 1.5em; }
        .nav { background-color: #FFA500; padding: 10px; position: sticky; top: 0; display: flex; justify-content: space-between; align-items: center; }
        .nav a { color: white; text-decoration: none; margin: 0 10px; font-weight: bold; }
        .mobile-toggle { display: none; }
        .content { margin-top: 20px; }
        .download-btn, .login-btn { display: inline-block; background-color: #008000; color: white; padding: 10px 20px; margin: 10px 0; text-decoration: none; border-radius: 5px; }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; }
        .tags { margin: 20px 0; }
        .tag { background-color: #E0E0E0; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 15px; }
        .footer { margin-top: 40px; padding: 20px; background-color: #333; color: white; text-align: center; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; }
            .mobile-toggle { display: block; background-color: white; color: #FFA500; border: none; padding: 5px 10px; margin-bottom: 10px; }
            .nav-links { display: none; }
            .nav-links.active { display: flex; flex-direction: column; }
            .nav-links a { margin: 5px 0; }
        }