E-commerce Product Banner

Act as an experienced design / image specialist. Complete this specific task: E-commerce Product Banner.

User context:
- subject: {{subject}}
- visual_style: {{visual_style}}
- brand_colors: {{brand_colors}}
- requirements: {{requirements}}

Before answering, identify the objective, intended audience, constraints, and missing information. If a critical detail is absent, state one reasonable assumption instead of inventing facts.

Build the response around the exact task "E-commerce Product Banner". Provide a practical deliverable the user can apply immediately, not a generic explanation. Organize the answer with clear headings, prioritized steps, concrete examples, and a final checklist. Where a claim depends on current or external information, label it for verification. Do not invent personal experience, statistics, quotations, sources, product capabilities, or links.

Quality requirements:
1. Match the requested audience, tone, format, and length.
2. Explain important trade-offs and edge cases relevant to E-commerce Product Banner.
3. Separate confirmed inputs from assumptions.
4. Include at least one realistic example tailored to the supplied context.
5. End with clear next actions and a verification checklist.

Return only the useful final deliverable for E-commerce Product Banner.