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: 企业年报画册设计案例（集团简介与经营数据展示）
Session id: design-zh-cn-企业年报画册设计案例-集团简介与经营数据展示
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: 企业年报画册设计案例（集团简介与经营数据展示）
Target audience: 企业品牌部、董办、行政与设计团队
Industry: 企业服务
Locale: zh-CN
Region: China
Search intent: 寻找正式、专业的企业年报和总结画册设计参考
SEO keywords: 企业年报设计, 年度报告画册, 集团宣传册案例, 经营数据排版, 荣誉资质页设计, 企业总结手册
Regional nuance: 符合中国企业常见的汇报和对外展示需求，重视领导致辞、发展历程、数据图表规范性和政企场合的稳重视觉风格。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 企业年报画册模板

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