Prompt guide
A clearer Seedream 5.5 prompt starts with the finished asset
Describe the deliverable, composition, subject, materials and lighting before adding constraints. For example: Create a landscape launch visual for a matte cobalt water bottle. Place the bottle on the right on pale limestone, with soft window light from the left and generous empty space for a headline. Preserve the reference bottle’s shape and cap. No added text, duplicate products or watermark.
For a transparent asset, explicitly request a transparent background and alpha channel. For an edit, state the single change first, followed by the identity, layout and product details that should remain consistent.