body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #e74c3c; font-size: 2.5em; text-align: center; margin-bottom: 10px; }
        h2 { color: #3498db; font-size: 1.8em; margin-top: 30px; }
        h3 { color: #2ecc71; font-size: 1.4em; }
        .logo { font-size: 2em; font-weight: bold; color: #e74c3c; text-align: center; margin: 20px 0; }
        .nav { background: #333; color: white; padding: 10px; display: flex; justify-content: space-around; flex-wrap: wrap; }
        .nav a { color: white; text-decoration: none; padding: 5px 10px; }
        .mobile-nav-btn { display: none; background: #e74c3c; color: white; border: none; padding: 10px; cursor: pointer; }
        .content { margin: 20px 0; }
        .download-btn, .login-btn { display: inline-block; background: #e74c3c; 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; }
        .tags a { background: #3498db; color: white; padding: 5px 10px; margin: 5px; text-decoration: none; border-radius: 3px; }
        .footer { background: #333; color: white; padding: 20px; text-align: center; margin-top: 30px; }
        @media (max-width: 768px) {
            .nav { display: none; flex-direction: column; }
            .mobile-nav-btn { display: block; }
            .nav.active { display: flex; }
            h1 { font-size: 2em; }
            h2 { font-size: 1.5em; }
        }