November 25, 2016 System Updates

1. [New] Added system background image selection feature for cover controls
2. [New] Added website templates 96, 97, 98, 99
3. [Optimized] Improved image loading for news product details
4. [Optimized] Enhanced image carousel editing preview display with white space optimization; Improved white borders for image carousels and advanced slideshow title text
5. [Optimized] Added border deformation optimization for return-to-top controls
6. [Optimized] Enhanced order management backend in e-commerce system, allowing administrators to close any product order transactions
7. [Optimized] Improved website launch and subscription fee functionality
8. [Optimized] Fixed incorrect default color property retrieval bug for borders and enhanced advanced border property methods
9. [Optimized] Improved button link attribute deletion in form controls
10. [Optimized] Completed optimization for tool library clipboard one-click clearing issue when switching items
11. [Optimized] Enhanced display optimization for bottom navigation controls