教育
手绘笔记
笔记本头脑风暴风格，涂鸦元素
sketchnotehanddrawndoodlecreative
风格提示词
Notebook, napkin math, brainstorming. Background: Crumpled graph paper texture. Visuals: Doodle-style thick marker lines, hand-drawn arrows, circled text, highlighted emphasis. Font: Realistic handwriting style. Casual and creative vibe.
