Art style: 3D Pixar.
High-quality 3D animation style, similar to Pixar. A taller boy (Ilya) with short, straight sandy-blonde hair, light skin, expressive green eyes, and a friendly, slightly mischievous smile, wearing a blue t-shirt. Beside him, a shorter, younger girl (Katya) with shoulder-length brown hair, soft facial features, warm brown eyes, and light freckles, wearing a light blue knitted cardigan with green flower-shaped buttons. They are playfully tussling, laughing, in a bright, cozy indoor setting. Consistent character design, high detail, soft cinematic lighting
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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:
Pixar-style 3D computer animation (Pixar / Disney feature-film look) — fully volumetric 3D rendering with rounded dimensional forms, soft subsurface-scattering skin, physically based materials, soft global illumination, warm cinematic key light, gentle depth of field, vibrant family-friendly colours. CRITICAL: EVERY element — characters, foliage, trees, animals, water, sky, props and the entire environment — must be rendered as polished 3D CGI with real depth and form. This is NOT flat 2D illustration, NOT a watercolour or storybook painting, NOT cel-shaded anime.
Every surface, skin, fabric, material, and environmental element must be rendered in this idiom.
