Midjourney Nano-Banana 系列
1{2 "提示": "generate[concept] icon with this json style:\n{\n \"icon_style\": {\n \"perspective\": \"isometric\",\n \"geometry\": {\n \"proportions\": \"1:1 ratio canvas, with objects fitting comfortably within margins\",\n \"element_arrangement\": \"central dominant object, with supporting elements symmetrically or diagonally placed\"\n },\n \"composition\": {\n \"element_count\": \"2–4 main objects\",\n \"spatial_depth\": \"layered to create sense of dimension and slight elevation\",\n \"scale_consistency\": \"uniform object scale across icon set\",\n \"scene_density\": \"minimal to moderate, maintaining clarity and visual focus\"\n },\n \"lighting\": {\n \"type\": \"soft ambient light\",\n \"light_source\": \"subtle top-right or front-top direction\",\n \"shadow\": \"gentle drop shadows below and behind objects\",\n \"highlighting\": \"mild edge illumination to define forms\"\n },\n \"textures\": {\n \"material_finish\": \"semi-matte to satin surfaces\",\n \"surface_treatment\": \"smooth with light tactile variation (e.g., wood grain, soft textures)\",\n \"texture_realism\": \"stylized naturalism without hyper-realistic noise\"\n },\n \"render_quality\": {\n \"resolution\": \"high-resolution octane 3D rendering\",\n \"edge_definition\": \"crisp, no outlines; separation achieved via lighting and depth\",\n \"visual_clarity\": \"clean, readable shapes with minimal clutter\"\n },\n \"color_palette\": {\n \"tone\": \"naturalistic with slight saturation boost\",\n \"range\": \"harmonious muted tones with gentle contrast\",\n \"usage\": \"distinct colors per object to improve identification and readability\"\n },\n \"background\": {\n \"color\": \"#FFFFFF\",\n \"style\": \"pure white, flat\",\n \"texture\": \"none\"\n },\n \"stylistic_tone\": \"premium, friendly, clean with lifestyle or service-oriented appeal\",\n \"icon_behavior\": {\n \"branding_alignment\": \"neutral enough for broad applications\",\n \"scalability\": \"legible at small and medium sizes\",\n \"interchangeability\": \"part of a cohesive icon system with interchangeable subject matter\"\n }\n }\n}"3}