Art style: Cinematic Realistic.
A young 14-year-old Russian schoolgirl Katya with light brown hair in a ponytail, sitting at a wooden desk in a cozy, sunlit bedroom. On her desk are English textbooks, notebooks, and a miniature military cap. A poster of Saint Petersburg's Savior on the Spilled Blood is visible on the wall behind her. Warm, optimistic lighting, realistic photography style.
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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 entirely in "Cinematic Realistic" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Cinematic Realistic". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Cinematic Realistic" idiom, not in any other medium.
