胶片颗粒与所选亮部响应

提示词

以细而不规则的图像颗粒和所选亮部过渡形成胶片观感；仅在明确选择时给已有强光边缘局部晕光，材质与轮廓仍清楚。

Create the selected film-like look through fine irregular image grain and highlight transitions; add local halation around existing intense light edges only when selected, keeping materials and contours readable.