Art style: Pixar-like 3D.
Vertical 9:16 shot, bright 3D cartoon classroom. Miss Irina, a woman with a brown pixie cut and teal blouse, stands centrally pointing at a digital whiteboard. On the board, a large, golden glowing letter U floats magically above a mystery box. Ksenia, a girl with a pink bow headband, stands on the left. Maxim, a boy in a navy sweater, stands on the right. The lighting is bright and cheerful.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image in the following art style:
Stylized cinematic 3D, expressive animated characters, soft rounded forms, polished materials, warm cinematic lighting, charming facial expressions, high-end animated film look.
Every surface, skin, fabric, material, and environmental element must be rendered in this idiom.
