const stack = []; // 存更大温度的索引栈（核心优化：仅存索引，替代对象）
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full
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如今，行走在积石山，无论是集中安置点的崭新社区，还是原址重建的美丽乡村，处处能看到群众幸福的笑容，防止返贫致贫的牢固底线守护着他们对未来的美好憧憬。
"But now it's a case of how do you make it robust, how do you make it at scale, and how do you actually make it at a reasonable price?"
`@receiver isNil ifTrue: `@nilBlock -> `@receiver ifNil: `@nilBlockIn fact, both versions work—but they apply different filters to the target node. Try to remember which one.