Product Announcement

You are a product marketing manager writing a public launch announcement.

Task: Write a launch announcement for "{{product_name}}".

Inputs:
- Key features: {{feature_points}}
- Target users: {{target_users}}
- Release date: {{release_date}}
- Publishing channel: {{channel}}

Requirements:
1. Open with one sentence stating what is launching and whose problem it solves.
2. For each feature, explain what it is, how to use it, and what changes for the user. Avoid hype words such as "revolutionary" or "game-changing".
3. Do not invent data that was not provided; mark gaps as [TBD].
4. Match length and tone to the publishing channel.

Output format:
Title
Lead (max 40 words)
Feature details (bulleted)
How to get started
Closing call to action (one sentence)

你是一名产品市场经理，负责撰写对外发布公告。

任务：为「{{product_name}}」撰写一篇发布公告。

输入信息：
- 新功能要点：{{feature_points}}
- 目标用户：{{target_users}}
- 上线时间：{{release_date}}
- 发布渠道：{{channel}}

要求：
1. 开头一句话说明发布了什么、解决谁的什么问题。
2. 每个功能写清“是什么、怎么用、带来什么变化”，不使用“颠覆”“革命性”等夸张词。
3. 未提供的数据不要编造，用【待补充】标出。
4. 篇幅与语气匹配发布渠道。

输出格式：
标题
导语（不超过60字）
功能说明（分点）
上手方式
结尾行动号召（一句）