完整提示词
场景构图:Ultra-real portrait of [CHARACTER] centered, surrounded by dozens of life-size stone busts of [CHARACTER]; warm beige museum lighting, matte alabaster texture, symmetrical composition, shallow depth of field (85mm), subtle film grain, 3:4 vertical, no text or watermark.。工作流:生成多张候选后再做 best-of-N 筛选,可避免一次性出图的不稳定。