{
  "slide_number": 24,
  "page_type": "content",
  "title": "真实案例：精准营养闭环",
  "page_goal": "135 页专业报告 → 3 页行动方案，全链路在家完成",
  "narrative_role": "evidence",
  "visual_weight": 9,
  "density_label": "medium",
  "density_reason": "真实案例是说服力核心：数据+风险标注+干预闭环三卡",
  "density_contract": {
    "deck_bias": "balanced",
    "page_lower_bound": "mid_low",
    "page_upper_bound": "high",
    "max_cards": 4,
    "max_charts": 2,
    "min_body_font_px": 18,
    "max_lines_per_card": 5,
    "image_policy": "support_only",
    "decoration_budget": "medium",
    "overflow_strategy": "tighten_budget"
  },
  "director_command": {
    "focus": "card_hierarchy",
    "rule": "ensure_anchor_visual_dominance",
    "note": "真实案例：精准营养闭环"
  },
  "decoration_hints": {
    "style": "tech_blue_warm_orange",
    "elements": [
      "title_underline",
      "metric_row",
      "process_flow",
      "footer"
    ],
    "brand": "accent 橙"
  },
  "resources": {
    "layout_refs": [],
    "block_refs": [],
    "chart_refs": [],
    "principle_refs": []
  },
  "cards": [
    {
      "card_id": "c1",
      "role": "anchor",
      "card_type": "data",
      "card_style": "accent",
      "argument_role": "evidence",
      "headline": "案例快照（匿名）",
      "body": [
        "用户 530010234，2026 年 1 月完成肠道菌群健康风险评估（募极生物，135 页报告）"
      ],
      "content_budget": {
        "body_max_lines": 4,
        "strict": true
      },
      "image": {
        "needed": false,
        "usage": null,
        "placement": null,
        "content_description": null,
        "source_hint": null
      },
      "data_points": [
        {
          "value": "73",
          "label": "健康总分",
          "interpretation": "人群均值 75，干预空间大"
        },
        {
          "value": "53",
          "label": "菌群健康",
          "interpretation": "偏低"
        },
        {
          "value": "313 种",
          "label": "检出菌种",
          "interpretation": "均值约 800 种，微生态稳定性不足"
        }
      ],
      "chart": {
        "chart_type": "metric_row",
        "note": "AI 分析关键指标"
      }
    },
    {
      "card_id": "c2",
      "role": "support",
      "card_type": "list",
      "card_style": "elevated",
      "argument_role": "evidence",
      "headline": "AI 自动标注三大缺乏指标",
      "body": [
        "维生素 B12（14 分，正常>50）→ 疲劳/贫血风险",
        "苏氨酸（14 分）→ 肠道屏障功能受损",
        "丙氨酸（9 分）→ 能量代谢异常"
      ],
      "content_budget": {
        "body_max_lines": 4,
        "strict": true
      },
      "image": {
        "needed": true,
        "usage": "inline-illustration",
        "placement": "inline",
        "content_description": "AI 从厚报告提炼关键指标意象",
        "source_hint": "AI解析配图"
      },
      "data_points": [
        {
          "value": "3 项",
          "label": "AI 自动标注风险",
          "interpretation": "从 135 页报告中精准提炼"
        }
      ]
    },
    {
      "card_id": "c3",
      "role": "support",
      "card_type": "process",
      "card_style": "filled",
      "argument_role": "method",
      "headline": "平台成效：四步干预闭环",
      "body": [
        "增加膳食纤维 25-30g/天",
        "优选发酵蛋白",
        "控制风险食物",
        "定期复测"
      ],
      "content_budget": {
        "body_max_lines": 4,
        "strict": true
      },
      "image": {
        "needed": false,
        "usage": null,
        "placement": null,
        "content_description": null,
        "source_hint": null
      },
      "data_points": [
        {
          "value": "135→3 页",
          "label": "报告压缩",
          "interpretation": "AI 解析让报告\"看得懂\""
        },
        {
          "value": "4 步",
          "label": "拟杆菌型肠型干预策略",
          "interpretation": "任务系统+能量积分推动执行"
        }
      ],
      "chart": {
        "chart_type": "progress_bar",
        "note": "闭环推进"
      }
    },
    {
      "card_id": "c4",
      "role": "context",
      "card_type": "quote",
      "card_style": "glass",
      "argument_role": "synthesis",
      "headline": "价值主张兑现",
      "body": [
        "\"检测→解读→方案→执行→跟踪\"全链路在家完成，替代\"跑医院、找专家、花数千元\"的传统路径"
      ],
      "content_budget": {
        "body_max_lines": 4,
        "strict": true
      },
      "image": {
        "needed": false,
        "usage": null,
        "placement": null,
        "content_description": null,
        "source_hint": null
      }
    }
  ],
  "workflow_metadata": {
    "workflow_version": "2026.04.09-v4.1",
    "planning_schema_version": "4.1",
    "planning_packet_version": "4.1",
    "planning_continuity_version": "4.1"
  },
  "layout_hint": "mixed-grid",
  "source_guidance": {
    "material_ref": "docs/AI创新项目大赛-项目介绍.md §6.1",
    "key_facts": [
      "73/53/313 种",
      "B12 14 分",
      "135→3 页",
      "四步干预"
    ]
  }
}