neon pulse（1c50c14b）

Use this MotionSites background video as a looping website background asset.
Title: Neon Pulse
Category: background
License: 付费
Video URL: https://d8j0ntlcm91z4.cloudfront.net/user_38xzZboKViGWJOttwIXH07lWA1P/hf_20260403_054410_6b17f7f9-d11e-44f1-90b0-75ee563d1971.mp4
Local thumbnail: thumbnails/1c50c14b-6f8c-4f51-abe8-94fad59e277c.jpg
Implementation requirements:
- Render the video as a muted, autoplay, looped, playsInline background layer.
- Use object-fit: cover and keep the focal motion visible on desktop and mobile.
- Add a readable overlay only when foreground text needs contrast.
- Keep controls hidden for decorative background use, and provide a poster/thumbnail fallback.
- Respect the MotionSites authorization state before using this asset in a commercial project.