Claude需以资深文案身份，面向特定人群写作；绑定渠道、字数与动作；嵌入转化环节；用真实对标锚定语调，禁用空洞词汇，并设不可妥协底线。
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你需要让claude写出符合品牌调性、能触发目标用户行动的英文营销文案，但直接输入“写一段广告语”往往得到空洞套话。明确角色与受众
在提示词开头就用一句话定义Claude的身份和写作对象。例如：“You are a senior copywriter at a premium skincare brand targeting women aged 32–45 in the US who value science-backed ingredients but dislike clinical jargon.”
这一步不能省略——没有清晰角色，Claude会默认用通用语气；没有具体人群画像，文案容易滑向“everyone and no one”。
绑定真实业务场景
方法一：指定渠道+字数+核心动作
“Write a 280-character Instagram caption for a new retinol serum launch. The goal is to drive swipe-ups, not explain how retinol works.”
方法二：嵌入转化漏斗环节
“This is a cold email subject line for a SaaS tool’s free trial offer. Open rate is the only metric that matters — avoid ‘Hi there’ or ‘Quick question’.”
【必须包含具体数字和明确动词】——“drive swipe-ups”比“increase engagement”可执行，“avoid ‘Hi there’”比“be more professional”可验证。
注入风格锚点
第一步：选一个真实存在的对标文案作为语调参照
“Match the tone of Glossier’s product page for Milky Jelly Cleanser: warm, slightly conversational, zero exclamation marks, no adjectives without purpose.”
第二步：禁用清单比风格描述更有效
“Do NOT use: ‘revolutionary’, ‘game-changing’, ‘unlock your potential’, or em dashes for dramatic pauses.”
第三步：给一句不可妥协的底线
“If the sentence sounds like it belongs in a corporate annual report, delete it and rewrite.”
