复古风手绘质感堆叠书籍复古钟表数学公式学术文艺插画

illustration, minimalist vintage style, soft pink and beige color palette, warm and cozy atmosphere, main objects include mathematical formulas, clock, ruler, books, arranged in a chaotic yet orderly spatial relationship, academic and relaxed scene, light grid paper background, decorative elements like line borders, mathematical formulas such as 'log x = log a / log b', 'x = r * cos(θ)', clear and layered visual effect, conveys a sense of learning and thinking, rich and professional information