极简手绘涂鸦插画风格

Minimal hand-drawn doodle illustration of [subject], simple black ink lines, playful sketch aesthetic, clean white background, whimsical and casual notebook style

[主题]的极简手绘涂鸦插画，简单的黑色墨水线条，俏皮的速写美学，干净的白色背景，异想天开且随意的笔记本风格