Strong rule: style --- 3D Pixar ---. 3D Pixar style. Professor Archimedes standing in a bright, colorful classroom. Behind him is a large green chalkboard with the beautiful Russian text written in chalk: 'КВАДРАТНЫЕ УРАВНЕНИЯ'. Warm lighting, cinematic composition. No English text.
Character appearance reference (MUST match exactly):
- Профессор Архимед: A friendly, energetic math professor in 3D Pixar style. He has messy white hair, round glasses, a neat beard, wearing a tweed jacket with elbow patches and a bright bow tie. Expressive face, warm smile, animated gestures.
