fix: 标题字号px计算+配音同步+片段切换可靠性 #1432

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xiaoxia wants to merge 1 commits from fix/preview-player-v5 into develop

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Author SHA1 Message Date
张宏杰 b2d5f1ba69 fix: 修复标题字号(px计算)+配音同步+片段切换可靠性
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1. 标题 fontSize 改用 ResizeObserver 获取容器实际高度,px 单位计算
   修复百分比 fontSize 基于 36px 父元素导致字号≈1.4px 不可见的问题
2. 片段切换时同步 audio.currentTime 到视频全局时间
3. switchToSegment readyState 阈值提升到 2 (HAVE_CURRENT_DATA)
2026-08-18 22:44:40 +08:00