style(ValueChainCard): 优化产业链分析头部布局边距

- CardHeader: py={0} → py={3} 增加垂直内边距
- HStack: gap={0} → spacing={3} 增加元素间距
- Badge: 添加 px={2} py={1} 增加徽章内边距
- 移除多余的 | 分隔符

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

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

src/views/Company/components/CompanyOverview/DeepAnalysisTab/components/ValueChainCard.tsx

@@ -131,16 +131,16 @@ const ValueChainCard: React.FC<ValueChainCardProps> = memo(({
   return (
     <Card bg={THEME.cardBg} shadow="md">
       {/* 头部区域 */}
-      <CardHeader py={0}>
-        <HStack flexWrap="wrap" gap={0}>
-          <Icon as={Network} color={THEME.gold} />
+      <CardHeader py={3}>
+        <HStack flexWrap="wrap" spacing={3}>
+          <Icon as={Network} color={THEME.gold} boxSize={5} />
           <Heading size="sm" color={THEME.textPrimary}>
             产业链分析
           </Heading>
           <Text color={THEME.textSecondary} fontSize="sm">
-            | {companyName}供应链图谱
+            {companyName}供应链图谱
           </Text>
-          <Badge bg={THEME.gold} color="gray.900">
+          <Badge bg={THEME.gold} color="gray.900" px={2} py={1}>
             节点 {totalNodes}
           </Badge>
         </HStack>