极简产品广告短片Minimalist product ad short

电商与新品发布用的极简产品广告：干净背景、精准打光、一句卡点文案。产品实拍图作为关键帧进请求，提示词只负责运镜、质感与卡点节奏，不重新描述产品外观——重新描述会让模型改掉产品本身。

Minimalist product ad: clean backdrop, one hero moment, one beat-synced headline. The product image drives the look.