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: UK charity donation page redesign example
Session id: design-en-gb-uk-charity-donation-page-redesign-example
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: UK charity donation page redesign example
Target audience: Product designers, charity marketing teams, fundraising consultants
Industry: Nonprofit
Locale: en-GB
Region: United Kingdom
Search intent: Users searching for charity donation page UX examples, fundraising landing page redesigns, or Gift Aid design references
SEO keywords: charity donation page design, Gift Aid UX, fundraising page redesign, nonprofit checkout example, UK charity website design, donation form UX
Regional nuance: Include Gift Aid, charity registration transparency, and restrained trust-building patterns suited to UK donor expectations.
Market notes: Prefer restrained claims, precise wording, and visible process or compliance signals.
Template hint: Use a conversion-focused landing page brief with donation flow wireframes, trust messaging blocks, and form simplification notes

Linked knowledge digest:
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Recent memory digest:
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