Realistic half-body portrait of a gentleman wearing a Zhongshan suit, capturing the essence of his refined and elegant style, intricate details of the suit's design and fabric, lifelike portrayal of his facial features, set against the backdrop of the Salt Gang Wharf, showcasing the industrial atmosphere and architectural elements, meticulous attention to lighting and shading, (refined style:1.2), (intricate details:1.2), (industrial atmosphere:1.1)