更新Company页面的UI为FUI风格

src/components/EventDetailPanel/CollapsibleHeader.js

@@ -38,10 +38,10 @@ const CollapsibleHeader = ({
   onModeToggle = null,
   isLocked = false
 }) => {
-  // 使用深色主题颜色
-  const sectionBg = 'rgba(26, 31, 46, 0.6)';
-  const hoverBg = 'rgba(33, 38, 51, 0.8)';
-  const headingColor = PROFESSIONAL_COLORS.text.primary;
+  // 深色主题 - 标题区块背景稍亮
+  const sectionBg = '#3D4A5C';
+  const hoverBg = '#4A5568';
+  const headingColor = '#F7FAFC';
 
   // 获取按钮文案
   const getButtonText = () => {

src/components/EventDetailPanel/CollapsibleSection.js

@@ -36,8 +36,8 @@ const CollapsibleSection = ({
   showModeToggle = false,
   defaultMode = 'detailed'
 }) => {
-  // 使用半透明深色背景
-  const sectionBg = 'rgba(21, 25, 34, 0.6)';
+  // 深色主题 - 折叠区块背景稍亮
+  const sectionBg = '#354259';
 
   // 模式状态：'detailed' | 'simple'
   const [displayMode, setDisplayMode] = useState(defaultMode);

src/components/EventDetailPanel/DynamicNewsDetailPanel.js

@@ -86,10 +86,10 @@ const sectionReducer = (state, action) => {
 const DynamicNewsDetailPanel = ({ event, showHeader = true }) => {
   const dispatch = useDispatch();
   const { user } = useAuth();
-  // 使用半透明背景以支持毛玻璃效果
-  const cardBg = 'rgba(26, 31, 46, 0.6)';
+  // 深色主题 - 与弹窗背景一致
+  const cardBg = '#2D3748';
   const borderColor = 'rgba(255, 255, 255, 0.08)';
-  const textColor = PROFESSIONAL_COLORS.text.secondary;
+  const textColor = '#CBD5E0';
 
   // 使用 useWatchlist Hook 管理自选股
   const {