手绘风简约舞台演讲台麦克风聚光灯插画素材

minimalist illustration, wooden podium at center stage, microphone on podium, red curtain as backdrop, simple and solemn scene, main colors are red, black, and brown, high-quality, detailed，中国人像，人像摄影图，浅色，柔和的光线，干净背景