int32 HeadersNum = 0;
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full
，更多细节参见heLLoword翻译官方下载
Shoals of juvenile salmon start their journey from the Itchen to the sea each spring.
// 3. 计算当日跨度：跨度 = 当前索引 - 上一个更大值的索引（栈空则为i+1）