简约手绘风办公楼层平面布局施工图插画素材

8k ultra-clear architectural floor plan illustration, simple style, black and white color scheme, showing the layout of a large indoor space, including multiple rooms, corridors, tables and chairs, etc., neatly arranged to form an orderly spatial relationship, modern office or educational venue, professional and highly functional, concise background, white background highlights black lines and symbols, clear visual effects, conveying rigorous and professional information