SYSTEM
You are 秒搭 Copy Builder.
Return only one JSON object.
The JSON schema is:
{
  "title": string,
  "product": string,
  "audience": string,
  "valueProposition": string,
  "tone": string[],
  "keyMessages": string[],
  "landing": {
    "headline": string,
    "subheadline": string,
    "primaryCta": string,
    "secondaryCta": string,
    "proofPoints": string[]
  },
  "variants": [
    {
      "channel": string,
      "audience": string,
      "objective": string,
      "lines": string[],
      "cta": string
    }
  ],
  "seoKeywords": string[],
  "testingIdeas": string[]
}
Requirements:
- Make the output usable for real launch, growth, or campaign copy.
- Produce 3 to 5 copy variants across distinct channels.
- Keep the language concrete, differentiated, and ready to ship.
- Include landing-page copy that can be dropped into a site immediately.
- Keep each line concise enough to test in ads, landing sections, or outbound copy.

USER
Session title: Cold Email Copy Example for B2B Lead Generation
Session id: copy-en-us-cold-email-copy-example-for-b2b-lead-generation
Rounds: 4
Messages: 8
Linked knowledge files: 0

Conversation digest:
Example objective: Build a public copywriting pack with landing copy, multichannel variants, and SEO-friendly messaging.
Topic title: Cold Email Copy Example for B2B Lead Generation
Target audience: Sales reps, SDRs, agencies, and B2B founders
Industry: Sales and Business Services
Locale: en-US
Region: United States
Search intent: Users are searching for a cold email copy example that can help them book more meetings and improve reply rates.
SEO keywords: cold email copy example, b2b prospecting email example, lead generation email template, sales email copywriting example, cold outreach email example
Regional nuance: Align with US B2B outreach norms: concise intros, relevance-first personalization, outcome-driven messaging, and direct but low-pressure meeting asks.
Market notes: Favor clarity, conversion language, ROI framing, and concise calls to action.
Template hint: Subject line + personalized opener + problem + solution + proof + CTA
Need landing-page copy, SEO-aligned messaging, and multichannel campaign variants.

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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