反乌托邦光环海报生成器（SQL风格）

2x2网格，对4个反乌托邦AI推断主题执行此操作，16:9 创建视图 graphic_halo_poster AS WITH subject_analysis AS ( SELECT '$SUBJECT' AS subject, infer_iconic_silhouette('$SUBJECT') AS hero_form, infer_supporting_forms('$SUBJECT', 2, 4) AS secondary_forms, infer_landmark_silhouettes('$SUBJECT') AS background_landmarks, infer_foreground_objects('$SUBJECT') AS low_props, infer_symbolic_circle_anchor('$SUBJECT') AS halo_anchor ), palette AS ( SELECT '冷色系：低饱和蓝/青/石板灰' AS cool_zone, '暖色系：柔和琥珀/赭石/奶油色' AS warm_zone, '克制的中性色：象牙白、石墨灰、纸白' AS neutrals, '双区划分 - 上冷下暖，或镜像布局' AS zone_logic FROM subject_analysis ), composition AS ( SELECT halo_anchor, hero_form, secondary_forms, background_landmarks, low_props, '以中央或近中央图形锚点为主的海报结构' AS structure, '大型圆形形态、干净的剪影分区、受控的负空间' AS shape_language, '浅至中度的剧场式舞台纵深' AS depth, '前景元素以低水平横向排列，以拓宽画面' AS prop_logic, '稀疏背景，带有剪影地标与氛围感留白' AS background, '沉思型科幻，兼具概念海报吸引力' AS mood FROM subject_analysis ) SELECT render_halo_poster( subject := subject, hero := hero_form, secondary := secondary_forms, halo := halo_anchor, background := background_landmarks, props := low_props, palette := cool_zone || ' + ' || warm_zone || ' + ' || neutrals || '; ' || zone_logic, structure := structure, shape_language := shape_language, depth := depth, prop_logic := prop_logic, background_rule := background, illustration := '平滑的数字绘画，减少纹理，清晰轮廓，优雅的形状简化', finish := '精致的图形概念海报，安静的高级插画风格，远距离仍具强烈图标式可读性', mood := mood, negative := '杂乱的场景写实、过度渲染的背景细节、混乱的色彩变化、粗糙的纹理叠加、夸张的鱼眼或极端电影式畸变' ) AS final_image FROM composition, palette; RETURN final_image;