feat(selection): 收紧执行状态交互与页面布局

zhixing-web/src/features/selection/components/signal-detail-panel.tsx

@@ -19,7 +19,7 @@ export function SignalDetailPanel({ signal }: SignalDetailPanelProps) {
     return (
       <Card
         aria-label="当前股票详情"
-        className="hidden min-h-0 overflow-auto rounded-lg border-border/80 bg-card p-4 md:flex md:flex-col md:justify-center"
+        className="hidden min-h-0 overflow-auto rounded-lg border-border/80 bg-card p-3 md:flex md:flex-col md:justify-center"
       >
         <div className="space-y-2 text-center">
           <Search
@@ -38,7 +38,7 @@ export function SignalDetailPanel({ signal }: SignalDetailPanelProps) {
   return (
     <aside
       aria-label="当前股票详情"
-      className="hidden min-h-0 overflow-auto rounded-lg border border-border/80 bg-card p-4 md:block"
+      className="hidden min-h-0 overflow-auto rounded-lg border border-border/80 bg-card p-3 md:block"
     >
       <p className="text-[10px] font-bold tracking-[0.08em] text-muted-foreground uppercase">
         Selected signal
@@ -58,7 +58,7 @@ export function SignalDetailPanel({ signal }: SignalDetailPanelProps) {
         />
       </div>
 
-      <p className="mt-5 text-3xl font-semibold tabular-nums tracking-tight">
+      <p className="mt-4 text-3xl font-semibold tabular-nums tracking-tight">
         ¥ {signal.close.toFixed(2)}
       </p>
 
@@ -69,7 +69,7 @@ export function SignalDetailPanel({ signal }: SignalDetailPanelProps) {
         {getCategoryLabel(signal.category)}
       </Badge>
 
-      <dl className="mt-5 divide-y divide-border/60 border-t border-border/60 text-xs">
+      <dl className="mt-4 divide-y divide-border/60 border-t border-border/60 text-xs">
         <div className="flex items-center justify-between gap-3 py-2.5">
           <dt className="text-muted-foreground">目标交易日</dt>
           <dd className="font-medium tabular-nums">