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: #e63946; text-align: center; margin-bottom: 10px; }
        h2 { color: #457b9d; border-bottom: 2px solid #f1faee; padding-bottom: 5px; }
        h3 { color: #1d3557; }
        .download-btn, .login-btn { background-color: #4cc9f0; color: white; padding: 10px 20px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 10px 0; }
        .nav-bar { background-color: #1d3557; color: white; padding: 15px; position: sticky; top: 0; }
        .nav-bar a { color: white; margin: 0 10px; text-decoration: none; }
        .mobile-menu { display: none; }
        .image-container { text-align: center; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tag { background-color: #f1faee; padding: 5px 10px; border-radius: 3px; margin: 5px; display: inline-block; }
        footer { background-color: #1d3557; color: white; padding: 20px; text-align: center; margin-top: 30px; }
        @media (max-width: 768px) {
            .nav-bar { display: none; }
            .mobile-menu { display: block; background-color: #1d3557; color: white; padding: 10px; text-align: center; }
            body { padding: 10px; }
        }