When you generate a batch of product clips for a campaign, the biggest risk is identity drift — the same product looks slightly different in each clip. Before spending credits on a full batch, lock three variables: subject description, camera path, and lighting direction.
We published a hands-on note explaining how to write a reusable product block that you paste into every prompt, then vary only the scene or action. The article is on the blog index for all three site languages. Questions or feedback: sapsap@qq.com.