咖啡萃取变量涂鸦知识卡

中文需求

生成一张高级手绘涂鸦知识卡片，主题为“咖啡萃取的5个变量”。画面中心绘制一只手冲咖啡壶和滤杯，周围用弧形手绘箭头连接研磨度、水温、粉水比、注水速度、萃取时间五个重点。每个变量搭配简单图标、短关键词和少量风味提示，例如酸、甜、醇厚、苦。加入咖啡渍圆环、手绘咖啡豆、波浪线、打钩标记和撕纸便签元素。背景为暖米色再生纸纹理，配色使用咖啡棕、焦糖橙、墨绿、奶油白和少量红色。整体像咖啡师的专业风味笔记，有温度、有设计感，不要菜单式排版，不要复杂参数表，不要真实品牌，不要乱码，不要水印。

英文提示词

Create a premium hand-drawn doodle knowledge card themed 'Five Coffee Extraction Variables'. Draw a pour-over kettle and dripper in the center, surrounded by curved sketch arrows connecting grind size, water temperature, coffee-to-water ratio, pouring speed, and extraction time. Give each variable a simple icon, short keyword, and minimal flavor cue such as acidity, sweetness, body, or bitterness. Add coffee stain rings, sketched beans, wavy lines, check marks, and torn-paper sticky notes. Use a warm recycled-paper texture with coffee brown, caramel orange, dark green, cream white, and small red accents. Make it feel like a professional barista's flavor notebook, warm and design-forward. No menu-style layout, no complex parameter table, no real brands, no gibberish, no watermark.

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