style: DeepAnalysisTab 黑金主题样式优化

- ProcessNavigation: Tab 未选中状态字体白色，数量Badge与边框颜色统一(gray.600)
- KeyFactorCard: 适配黑金主题(cardBg #252D3A, 文字颜色调整)
- KeyFactorsCard: 黑金主题重构，移除免责声明组件
- TimelineCard: 黑金主题重构，移除免责声明组件
- ValueChainCard: 调整 CardHeader 和 CardBody padding
- ValueChainFilterBar: 暂时注释筛选下拉框

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

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

src/views/Company/components/CompanyOverview/DeepAnalysisTab/atoms/ProcessNavigation.tsx

@@ -16,19 +16,19 @@ const THEME = {
   upstream: {
     active: 'orange.500',
     activeBg: 'orange.900',
-    inactive: 'gray.600',
+    inactive: 'white',
     inactiveBg: 'gray.700',
   },
   core: {
     active: 'blue.500',
     activeBg: 'blue.900',
-    inactive: 'gray.600',
+    inactive: 'white',
     inactiveBg: 'gray.700',
   },
   downstream: {
     active: 'green.500',
     activeBg: 'green.900',
-    inactive: 'gray.600',
+    inactive: 'white',
     inactiveBg: 'gray.700',
   },
 };
@@ -70,7 +70,7 @@ const NavItem: React.FC<NavItemProps> = memo(({
       cursor="pointer"
       bg={isActive ? colors.activeBg : colors.inactiveBg}
       borderWidth={2}
-      borderColor={isActive ? colors.active : 'transparent'}
+      borderColor={isActive ? colors.active : 'gray.600'}
       onClick={onClick}
       transition="all 0.2s"
       _hover={{
@@ -88,7 +88,7 @@ const NavItem: React.FC<NavItemProps> = memo(({
             {label}
           </Text>
           <Badge
-            bg={isActive ? colors.active : colors.inactive}
+            bg={isActive ? colors.active : 'gray.600'}
             color="white"
             borderRadius="full"
             px={2}