# 天空实景视频素材来源

全部素材取自 https://mixkit.co （Mixkit License：免费商用、无需署名、可修改），
2026-09 下载并自托管于本目录，无任何外部运行时依赖。

| 文件 | 对应场景 | 原始素材 |
|------|----------|----------|
| clear-day.mp4 | 晴·昼 | Blue sky background as the clouds travel blown by the wind — https://mixkit.co/free-stock-video/sky/ (asset 1926) |
| clear-night.mp4 | 晴·夜 | Stars in space background — https://mixkit.co/free-stock-video/sky/ (asset 1610) |
| overcast.mp4 | 阴/多云 | Overcast sky above the coast — https://mixkit.co/free-stock-video/overcast-sky-above-the-coast-22257/ (asset 22257) |
| rain.mp4 | 雨 | Forest under a tropical rain — https://mixkit.co/free-stock-video/rain/ (asset 6890) |
| thunder.mp4 | 雷阵雨 | Lightning Strike and thunders — https://mixkit.co/free-stock-video/rain/ (asset 47948) |
| fog.mp4 | 雾 | White thick mist continuously flows at a fast pace — https://mixkit.co/free-stock-video/fog/ (asset 50943) |
| snow.mp4 | 雪 | Snow falling in a pine forest — https://mixkit.co/free-stock-video/snow/ (asset 4396) |