{
  "title": "竖屏横屏共用一套字幕时，怎样核对安全区和换行",
  "evidence_type": "synthetic-not-field-measurement",
  "date": "2026-10-23",
  "required_deliverable": "横屏竖屏各版的长句、边界字和遮挡区域截图矩阵",
  "fields": [
    "orientation",
    "safe_x",
    "safe_y",
    "safe_w",
    "safe_h",
    "box_x",
    "box_y",
    "box_w",
    "box_h",
    "expected_inside"
  ],
  "sample_rows": [
    [
      "landscape",
      96,
      54,
      1728,
      972,
      120,
      900,
      1680,
      100,
      "yes"
    ],
    [
      "portrait",
      54,
      96,
      972,
      1728,
      40,
      1600,
      1000,
      120,
      "no"
    ]
  ],
  "unmeasured": "已离线检查合成矩形包含；未渲染真实字幕、未取得横竖屏现场截图或观看结果。"
}