Midjourney Nano-Banana 系列
1{2 "提示": "{\n \"styleAesthetic\": {\n \"title\": \"Monochrome Pixel Mosaic\",\n \"overallVibe\": \"Retro mobile-screen pixel art—clean, minimal, and slightly nostalgic\",\n \"renderingStyle\": \"1-bit square-pixel grid with optional dithering to suggest tone and depth\",\n \"viewAngle\": \"Orthographic front view (no perspective distortion)\",\n \"pixelation\": {\n \"pixelSize\": 6, // width/height of each square in px (tweak per output res)\n \"pixelShape\": \"perfect square\",\n \"gridAlignment\": \"uniform, no gaps\",\n \"ditheringPattern\": \"Floyd–Steinberg or ordered 2×2\"\n },\n \"colorPalette\": {\n \"pixelColor\": \"#000000\", // foreground pixels\n \"backgroundColor\": \"#8CA17C\", // muted pastel green sample; replace to recolor\n \"paletteType\": \"1-bit monochrome\"\n },\n \"lightingAndShadows\": {\n \"pixelDropShadow\": {\n \"enabled\": true,\n \"offsetX\": 0,\n \"offsetY\": 1,\n \"blur\": 2,\n \"opacity\": 0.25\n },\n },\n \"materialsAndTextures\": [\n {\n \"type\": \"Matte LCD surface\",\n \"description\": \"Flat display with very fine grain/noise to simulate old LCD texture\",\n \"noiseIntensity\": 0.01\n }\n ],\n \"typography\": {\n \"fontFamily\": \"monospaced bitmap\",\n \"weight\": \"bold\",\n \"capitalization\": \"uppercase\",\n \"letterSpacing\": 0,\n \"align\": \"center\"\n },\n \"postProcessing\": {\n \"edgeSmoothing\": \"none (hard pixel edges preserved)\",\n \"filmGrain\": 0.01,\n \"overallContrast\": 1.0\n },\n \"adaptabilityHints\": {\n \"applyToPhotographs\": \"posterize → 1-bit → downsample to pixel grid → apply dithering\",\n \"applyToVectorText\": \"render glyphs to bitmap grid using same pixel size and drop shadow\",\n \"safeResize\": \"always scale by whole-number multiples to keep squares crisp\"\n }\n }\n}"3}