comfyui推荐提示词“(Best quality:1.5), (Masterpiece:1.5), (Hyperrealistic:1.5), (High detail:1.5), black/dark, leather, textured, detailed stitching, smooth/pebble-like surface” sd用户自测 基于flux.1.dev fp8 初衷用于汽车内饰部位的皮革材质，其他地方需自行测试