Two municipal transport engineers wearing smart casual blazers over plain t-shirts collaborate around a large touch-sensitive administrative display table. The interface displays bright city bus route vectors and urban density heatmaps. The scene is lit by the glow of the interactive screen in a clean, modern corporate office environment.. Context markers: contemporary office shirts, smart casual blazers, touch-sensitive administrative display table, city transit maps. The complete visual composition—including all primary subjects, secondary supporting elements, boundaries, and environmental contours—must sit comfortably inside the canvas with generous clean white negative space visible on all four sides (target 8-12% margins, minimum 6%). The entire visual assembly must occupy maximum 80% canvas height and 84% canvas width. Nothing touches or crosses any canvas edge. Do not crop the primary subject. Clean isolated 2D explainer composition against pure white/off-white background. hand-drawn 2D explainer cartoon illustration, confident clean black outlines, flat cel-style colors, simplified readable forms, soft minimal shading, clear focal hierarchy, clean educational YouTube illustration, no photorealism, no 3D rendering, no typography, no text, no watermarks
