纹理替换保留细标记

提示词

只替换许可表面纹理，已标为保留的刻线、刻度载体或定位点不覆盖，真实文字由原图保留而非重生成。

Replace only permitted surface texture, preserving marked incisions, scale structures, or locating points and retaining real lettering from the source rather than regenerating it.