1. Improved the download icon style and download status
2. The lobby download floating panel button can be repositioned arbitrarily by player
3. Create an independent download system by integrating the download floating panel and the download page (expressed as the download floating panel)
4. Increase category accuracy and make contents more clearly distinguishable by integrating the download categories
5. Improved the download reward appearance logic and the reward notification red dot that appears when rewards become available