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: 家装公司案例集设计案例（整装套餐与实景案例展示）
Session id: design-zh-cn-家装公司案例集设计案例-整装套餐与实景案例展示
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: 家装公司案例集设计案例（整装套餐与实景案例展示）
Target audience: 装修公司老板、市场运营、设计总监
Industry: 家装家居
Locale: zh-CN
Region: China
Search intent: 查找装修公司案例册和活动物料设计参考，提升到店转化
SEO keywords: 装修公司宣传册, 家装案例集设计, 整装套餐海报, 装修案例排版, 家居宣传物料, 装企设计模板
Regional nuance: 贴近中国家装行业的到店咨询、样板间展示、团购活动、微信获客和套餐报价场景，注重前后对比、预算说明和信任背书。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 家装案例集模板

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