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: 小红书种草文案范文：护肤品爆款笔记怎么写
Session id: copy-zh-cn-小红书种草文案范文-护肤品爆款笔记怎么写
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: 小红书种草文案范文：护肤品爆款笔记怎么写
Target audience: 品牌市场、内容运营、美妆商家、达人
Industry: 美妆护肤
Locale: zh-CN
Region: China
Search intent: 用户需要高转化的小红书笔记文案参考，用于新品推广或达人合作提案。
SEO keywords: 小红书种草文案, 护肤品笔记范文, 小红书爆款文案, 美妆种草模板, 小红书标题怎么写
Regional nuance: 贴合国内用户对真实体验、成分党表达、功效合规措辞和平台社区语感的偏好。
Market notes: Favor mobile-first density, direct utility, trust signals, and references to common Chinese business workflows.
Template hint: 按“痛点标题—个人肤质—使用场景—成分亮点—效果描述—互动结尾”生成案例。
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.

Generate a high-quality copywriting kit now.