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: 招聘宣传长图设计案例（企业校招与社招通用版）
Session id: design-zh-cn-招聘宣传长图设计案例-企业校招与社招通用版
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: 招聘宣传长图设计案例（企业校招与社招通用版）
Target audience: HR、招聘经理、品牌雇主团队
Industry: 人力资源
Locale: zh-CN
Region: China
Search intent: 寻找适合中国招聘渠道传播的招聘海报和长图设计参考
SEO keywords: 招聘海报设计, 招聘长图模板, 校招宣传设计, 社招海报案例, 企业招聘物料, HR设计素材
Regional nuance: 结合中国招聘市场常用渠道与表达方式，强调岗位清晰、福利直观、扫码投递和移动端一屏一重点的阅读习惯。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 招聘长图模板

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