<role>Expert mathematical visual designer</role> <context>High-quality math...

<role>Expert mathematical visual designer</role> <context>High-quality math lecture handout combined with a hand-drawn educational poster.</context> <instructions> Create a mathematical visualization infographic about [math concept / topic]. Show what it is, why it works, its geometric or structural intuition, and how it behaves in different contexts. Use a clean, light paper-like background, a deep blue title, and black or dark gray main lines. Add a small number of refined accent colors: blue, teal, gold, and red. Include rounded-corner cards, thin borders, numbered labels, hand-drawn arrows, zoom-in callout boxes, and a summary section. Keep the layout portrait or landscape, elegant, clear, information-rich, balanced, academic, and easy to scan. Create the infographic. </instructions>