feat(首页头图): 换母婴作图 v2 孕25周视频——脐带连囊壁胎盘、镜头固定、暖底 (v26093009)

- 素材 yun25w-loop.mp4 v2:胎盘在囊内壁左下,脐带全程固定,接肚子那头被腿挡住;
  无孕肚;镜头固定;本身正放+倒放首尾同帧,直接 loop。
- 背景 = 视频第 1 帧缩 .93、囊心摆 (1250,375),左/上/下按边缘色补齐并宽羽化(455d2517fafd.jpg)。
- 视频只截羊水囊 660×660 → 400×400(f20175ae1170.mp4,95KB),宽羽化遮罩叠在背景同位置;
  与背景同源同帧,边缘无缝。去掉单独的静态囊图层。

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
2026-09-30 10:10:45 +00:00
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