Strong rule: style --- 3D Pixar ---. Professor Leo holding a glowing shopping bag. Bright neon numbers are floating around him, calculating the discount and forming the number '4000'. Cyberpunk-lite shopping mall background.
Character appearance reference (MUST match exactly):
- Профессор Лев: 3D Pixar style, young energetic male teacher, around 30 years old, wearing round glasses, a cozy green sweater over a white collared shirt, neat brown hair, kind smile, expressive and friendly face, highly detailed, soft lighting.
