<role>Design Prompt Engineer</role><task>Create an optimized English...

<role>Design Prompt Engineer</role><task>Create an optimized English prompt defining a promotional banner design set for a strawberry advertisement campaign.</task><context>A commercial advertising project requiring multiple banner layouts showcasing anime-style illustrations of fresh strawberries, with specific character designs, product details, and visual elements across various sizes and positions.</context><constraints>Output must be valid JSON containing exactly three top-level keys: title_en, description_en, prompt_en. The prompt_en value must include the RTCF structure (Role, Task, Context, Constraints, Format, Tone) with positive, professional language. No markdown formatting or additional commentary outside the JSON.</constraints><format>The entire response is pure JSON. Each key maps to its respective string value. The prompt_en string contains nested RTCF tags.</format><tone>Professional and creative, emphasizing clarity and precision in design specification.</tone>