neon flux（2fdf9e11）

Use this MotionSites background video as a looping website background asset.
Title: Neon Flux
Category: gradient
License: 付费
Video URL: https://d8j0ntlcm91z4.cloudfront.net/user_38xzZboKViGWJOttwIXH07lWA1P/hf_20260507_161402_96d33d9e-5614-4b66-b990-1502698b1a55.mp4
Local thumbnail: thumbnails/2fdf9e11-3acf-4960-b03e-6401d242e1d2.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.