Art style: 3D Pixar Animation.
Full-length view, the entire figure visible from head to feet, standing upright beside his vehicle — Kiryusha, a cheerful 7-year-old boy with a small slender child's build, fair light skin, big warm brown eyes, round friendly face, and a kind bright smile showing little teeth. He has short chestnut-brown hair peeking from under a bright yellow safety helmet with a chin strap. He wears a zipped yellow jacket, dark navy-blue trousers, and clean white sneakers. Standing next to his own small yellow child's quad bike (ATV) with black detailing — black seat, black tyres, black handlebars and trim. Confident happy pose, one hand resting on the quad's handlebar, feet planted apart on rocky ground. Warm adventurous expression, ready for a journey. Bright open outdoor setting fills the sides.
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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 "3D Pixar Animation" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "3D Pixar Animation". 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 "3D Pixar Animation" idiom, not in any other medium.
