Couverture de Podcast Historique ADN Li Keyong et Shatuo

{
  "type": "cinematic historical podcast cover and documentary thumbnail",
  "aspect_ratio": "16:9 widescreen",
  "language": "Chinese visible typography",
  "style": "epic dark-gold historical documentary poster, photorealistic composite with scientific genetics infographic, chiaroscuro lighting, teal-blue versus amber-gold color grading, smoky atmosphere, subtle parchment texture, engraved historical cartography lines, elegant embossed serif Chinese typography",
  "main_title": "[晋王的基因地图：李克用与沙陀之谜]",
  "subtitle": "[古DNA如何重绘晚唐沙陀的来源与混合历史]",
  "central_concept": "A grand visual narrative of an ancient DNA study regarding warlord Li Keyong and the Shatuo Turks, integrating Late Tang frontier conflicts, migration paths, archaeological tombs, and genetic ancestry proportions.",
  "layout": {
    "background": "split historical landscape: left half features a cold blue northeastern steppe with hazy mountains, caravan routes, and glowing map grid traces; right half shows a warm golden western Eurasian steppe with ruined fortresses, Great Wall ramparts, watchtowers, and desert haze; radiant horizon where the two realms converge",
    "foreground_subject": {
      "position": "far left quarter of the frame",
      "description": "a powerful Late Tang / Jin prince warlord in an ornate dark embroidered silk robe, fur-trimmed mantle, jeweled belt, ceremonial hair crown, and golden ornaments, standing in three-quarter profile; face intentionally censored by a solid rectangular blur block",
      "side_name_plate": "[李克用 晋沙陀领袖]"
    },
    "top_title": {
      "position": "upper center to upper right",
      "appearance": "massive embossed metallic gold Chinese characters with subtle drop shadow and weathered antique texture",
      "text": "[晋王的基因地图：李克用与沙陀之谜]"
    },
    "subtitle_band": {
      "position": "directly beneath main title",
      "appearance": "bracketed by thin horizontal divider lines, smaller refined white-gold Chinese calligraphy",
      "text": "[古DNA如何重绘晚唐沙陀的来源与混合历史]"
    },
    "labeled_regions": {
      "count": 2,
      "items": [
        {
          "position": "middle left",
          "label": "东部草原\n东北亚",
          "visual": "cool blue territory with glowing migration dots and trail lines"
        },
        {
          "position": "middle right",
          "label": "西部草原\n欧亚大陆腹地",
          "visual": "warm amber territory with caravan silhouettes and desert fortress ruins"
        }
      ]
    },
    "genetics_infographic": {
      "position": "lower center",
      "description": "a luminous vertical DNA double helix at the midpoint where blue and amber particle streams converge",
      "center_label": "汇合·融合",
      "charts": [
        {
          "position": "lower left",
          "type": "blue glowing donut chart",
          "value": "53.4%",
          "label": "古代东北亚祖源"
        },
        {
          "position": "lower right",
          "type": "gold glowing donut chart",
          "value": "46.6%",
          "label": "西部草原祖源"
        }
      ],
      "bottom_statement": {
        "position": "bottom center inside a refined gold-bordered banner",
        "text": "沙陀并非单一血缘共同体"
      }
    },
    "right_vertical_label": {
      "position": "right edge along archaeological tomb ruins",
      "text": "[山西晋侯墓葬群]"
    },
    "decorative_science_elements": [
      "translucent DNA helix diagram in upper right",
      "ancient handwritten historical notes across upper sky",
      "subtle coordinate grid overlaying the terrain",
      "delicate glowing migration lines linking regions",
      "scattered genetic data plot points at lower center"
    ]
  },
  "composition_notes": "High-contrast readability optimized for video thumbnails. Rich cinematic depth, parchment and metallic foil textures, authoritative documentary atmosphere without modern UI elements or cartoonish styles."
}