phsl / new-api

- Replace simple form layout with sophisticated card-based design system
- Implement bank card-style wallet display with gradient backgrounds and decorative elements
- Integrate real user data from UserContext (username, quota, usage stats, user role, group)
- Add personalized color schemes using stringToColor for unique user identification
- Implement comprehensive responsive design for mobile, tablet, and desktop devices
- Add skeleton loading states for all data-dependent components and API calls
- Replace basic Input with InputNumber component for amount input with built-in validation (min: 1)
- Add official brand icons for payment methods (Alipay, WeChat) using react-icons/si
- Integrate Semi UI Banner component for better warning notifications
- Implement real-time data synchronization between local state and UserContext
- Add sophisticated loading states with proper error handling and user feedback
- Clean up all code comments and remove unused imports, functions, and state variables
- Enhance visual hierarchy with proper spacing, shadows, and modern typography
- Add glass-morphism effects and backdrop filters for premium visual experience
- Improve accessibility with proper text truncation and responsive font sizing

This update transforms the TopUp page from a basic form into a professional,
modern payment interface that provides excellent user experience across all devices
while maintaining full functionality and adding comprehensive data validation.