Art style: Minimalist Cartoon Line Art.
Bus interior after father's words: many passengers of different ages and genders with shocked expressions — wide-open eyes, slightly open mouths, heads turned to the center; in the background silhouettes of calm father and son. Aisle, windows with city, sudden silence. Dramatic contrast of emotions. Strictly black and white, grayscale only, minimalist cartoon line art, expressive face lines, dark accents on eyes and mouths, high contrast monochrome, no text anywhere, vertical portrait format, dramatic lighting with shadows of surprise, full composition with crowd.
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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 "Minimalist Cartoon Line Art" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Minimalist Cartoon Line Art".
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 "Minimalist Cartoon Line Art" idiom, not in any other medium.
Director notes for this scene: Стилевой ориентир для отрисовки экспрессивных лиц пассажиров в едином художественном ключе.
