{"type":"cinematic historical podcast cover and documentary thumbnail","aspect_ratio":"16:9 widescreen","language":"Chinese visible typography","style":"epic dark-gold historical documentary design, premium podcast cover, photorealistic composite, ancient Chinese imperial drama mixed with scientific genetics infographic, high contrast chiaroscuro, teal blue versus amber gold color grading, smoky atmosphere, subtle parchment texture, engraved map lines, elegant serif Chinese title typography","main_title":"{argument name=\"main title\" default=\"晋王的基因地图：李克用与沙陀之谜\"}","subtitle":"{argument name=\
