Implement a loading screen that displays while page loads and gracefully fades out after 1.5 seconds. Includes CSS animations and proper cleanup to prevent interaction blocking.
Remove video upload and fit toggle functionality to simplify the code
Add video list and random playback when current video ends
Update video source paths to be in '视频资源' directory
- Change progress bar gradient to pink
- Remove upload button section from HTML
- Update mic button styling with glass effect
- Add settings button and dropdown elements
- Set default video source in HTML
- Add toggle button to switch between 'cover' and 'contain' video fit modes
- Update video background styling for simpler positioning
- Group upload and fit buttons in a flex container
