更新Company页面的UI为FUI风格

src/components/EventDetailPanel/CollapsibleSection.js

@@ -5,10 +5,8 @@ import React, { useState } from 'react';
 import {
   Box,
   Collapse,
-  useColorModeValue,
 } from '@chakra-ui/react';
 import CollapsibleHeader from './CollapsibleHeader';
-import { PROFESSIONAL_COLORS } from '@constants/professionalTheme';
 
 /**
  * 通用可折叠区块组件
@@ -38,7 +36,8 @@ const CollapsibleSection = ({
   showModeToggle = false,
   defaultMode = 'detailed'
 }) => {
-  const sectionBg = PROFESSIONAL_COLORS.background.secondary;
+  // 使用半透明深色背景
+  const sectionBg = 'rgba(21, 25, 34, 0.6)';
 
   // 模式状态：'detailed' | 'simple'
   const [displayMode, setDisplayMode] = useState(defaultMode);