body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .mobile-nav { display: none; background: #FF9900; padding: 10px; text-align: center; }
        .desktop-nav { display: block; background: #FF9900; padding: 15px; }
        .nav-item { display: inline-block; margin: 0 15px; color: white; font-weight: bold; }
        .logo { font-size: 24px; font-weight: 900; color: #FF0000; }
        h1 { color: #FF0000; border-bottom: 3px solid #FF9900; padding-bottom: 10px; }
        h2 { color: #FF6600; margin-top: 30px; }
        h3 { color: #FF9900; }
        .download-btn { background: #4CAF50; color: white; padding: 12px 25px; border-radius: 5px; margin: 20px 0; display: inline-block; }
        .login-btn { background: #2196F3; color: white; padding: 12px 25px; border-radius: 5px; margin: 20px 0; display: inline-block; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; }
        .tags { margin: 20px 0; }
        .tag { background: #f0f0f0; padding: 5px 10px; margin: 5px; display: inline-block; }
        footer { margin-top: 50px; padding: 20px; background: #f5f5f5; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
        }