分层照明：环境光、任务光与重点光

Living room demonstrating three-layer lighting design, ambient layer from concealed cove lighting washing the ceiling, accent layer from narrow-beam downlights picking out artwork and a plant, task layer from a floor lamp beside the reading chair, no single bright ceiling fixture, deliberate pools of light with genuinely dark zones between them, warm 2700K throughout, evening with dark windows, eye-level composition, 28mm lens, ultra photorealistic, 8K