下一代视频模型的核心突破，将是其“世界模型”的深度和广度。这要求模型具备更强的因果推理能力，实现基于统一物理逻辑的全局一致性。
Implementers shouldn't need to jump through these hoops. When you find yourself needing to relax or bypass spec semantics just to achieve reasonable performance, that's a sign something is wrong with the spec itself. A well-designed streaming API should be efficient by default, not require each runtime to invent its own escape hatches.
，更多细节参见WPS官方版本下载
if (chunks === null) {
主屏幕编辑菜单的液态玻璃透明度进一步提升，玻璃质感更明显，但在部分背景下会导致文字与图标的对比度下降，导致可读性变差；深色模式下的控制中心弹窗背景也同步变得更暗。
// 栈不为空时才判断（避免访问stack.at(-1)时报错）