Function SettingsCard 

pub(super) fn SettingsCard(props: SettingsCardProps) -> impl IntoView

分区卡片：标题、说明与「需重启」标记，正文为若干设置行。

Required Props

• section: SettingsSection
• description: impl Into<String>
• ready: impl Into<Signal<bool>>
• load_failed: impl Into<Signal<bool>>
• children: [ChildrenFn]

Optional Props

• failed: impl Into<Signal<bool>>