style(MarketDataView): 缩小页面间距

- Container py: 6 → 4
- VStack spacing: 6 → 4

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/Company/components/MarketDataView/index.tsx

@@ -125,8 +125,8 @@ const MarketDataView: React.FC<MarketDataViewProps> = ({ stockCode: propStockCod
 
   return (
     <Box bg={'#1A202C'} minH="100vh" color={theme.textPrimary}>
-      <Container maxW="container.xl" py={6}>
-        <VStack align="stretch" spacing={6}>
+      <Container maxW="container.xl" py={4}>
+        <VStack align="stretch" spacing={4}>
           {/* 股票概览 */}
           {summary && <StockSummaryCard summary={summary} theme={theme} />}
 
@@ -153,6 +153,7 @@ const MarketDataView: React.FC<MarketDataViewProps> = ({ stockCode: propStockCod
             index={activeTab}
             onTabChange={handleTabChange}
             isLazy
+            size="sm"
           />
         </VStack>
       </Container>