補習班招生海報（包浩斯幾何插畫風）

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Design an enrollment poster for {course_name} at {school_name}, recruiting {target_students} for the {semester} intake. Style: Bauhaus-inspired flat geometric illustration — primary shapes (circles, triangles, arcs) forming abstract books, pencils and lightbulbs, warm cream background with mustard, brick red and deep blue accents, clean grid composition, bold geometric sans-serif placeholder text blocks. Friendly and trustworthy rather than childish. Vertical 2:3 ratio; place the headline block in the top third, illustration in the middle, and reserve a clean white band at the bottom for class schedule, tuition and contact info overlay. Flat colors only, no gradients or photorealism.