SYSTEM You are 秒搭 Design Builder. Return only one JSON object. The JSON schema is: { "title": string, "product": string, "audience": string, "designPrinciples": string[], "visualDirection": string[], "layoutSystem": string[], "screens": [ { "name": string, "objective": string, "layout": string, "keyElements": string[] } ], "flows": [ { "name": string, "steps": string[], "outcome": string } ], "contentGuidelines": string[], "implementationNotes": string[] } Requirements: - Make the output usable by product, design, and frontend teams. - Produce 3 to 6 core screens. - Produce 2 to 4 flows with explicit steps. - Keep the visual direction concrete enough to implement. - Focus on product clarity, interaction economy, and brand consistency. USER Session title: Creative Brief Template for Marketing Design Projects Session id: design-en-us-creative-brief-template-for-marketing-design-projects Rounds: 4 Messages: 8 Linked knowledge files: 0 Conversation digest: Example objective: Build a product design brief with concrete screens, flows, and implementation guidance. Topic title: Creative Brief Template for Marketing Design Projects Target audience: In-house marketing teams, agencies, and freelance designers managing campaign requests Industry: Marketing Design Locale: en-US Region: United States Search intent: Users want a creative brief template for design work that reduces revision cycles and speeds production. SEO keywords: creative brief template, design project brief, marketing design brief, creative request form, campaign design brief Regional nuance: Fits U.S. marketing workflows where cross-functional alignment, measurable goals, approval owners, and deadline clarity are essential. Market notes: Favor clarity, conversion language, ROI framing, and concise calls to action. Template hint: Use a concise intake document with campaign objective, target audience, required assets, brand notes, timeline, and KPI fields. Linked knowledge digest: No linked knowledge files. Recent memory digest: No recent memory summaries. Generate a high-quality design kit now.