Create a professional medical infographic in vertical layout, titled "Three Core Challenges of Menopause". The design is a radial diagram centered around a medical icon representing "Sudden Estrogen Decline". From the center, three main branches radiate outward with clear causal chains using arrows and concise text: 1. Hot Flushes: Estrogen Decline → Hypothalamus Sensitivity → Autonomic Dysfunction → Hot Flushes 2. Insomnia: Estrogen Decline → Melatonin Disruption → Night Sweats & Awakening → Insomnia 3. Osteoporosis: Estrogen Decline → Loss of Bone Protection → Reduced Calcium Absorption → Osteoporosis Style: clean medical illustration, warm gray + teal as base colors, with soft orange, light blue, and sage green for the three branches. Each branch ends with a simple physiological icon (flame, moon, bone). Overall clear, professional, suitable for health education. Add a footer: "Hormonal Fluctuation Triggers Multi-System Dysfunction." Mehr sehen