fix: 修复 Antd 和 React 废弃 API 警告

- AutoComplete/Select: dropdownStyle -> styles.popup.root
- AutoComplete/Select: popupClassName -> classNames.popup.root
- 移除 WebkitBackdropFilter（Chakra backdropFilter 自动处理）
- Table rowKey: 使用唯一标识符替代 index 参数

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

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

src/views/Company/components/FinancialPanorama/components/PeriodSelector.tsx

@@ -44,15 +44,19 @@ const PeriodSelector: React.FC<PeriodSelectorProps> = memo(({
           background: 'transparent',
         }}
         size="small"
-        popupClassName="period-selector-dropdown"
+        classNames={{ popup: { root: 'period-selector-dropdown' } }}
+        styles={{
+          popup: {
+            root: {
+              background: '#1A202C',
+              borderColor: 'rgba(212, 175, 55, 0.3)',
+            },
+          },
+        }}
         options={periodOptions.map((period) => ({
           value: period,
           label: `最近${period}期`,
         }))}
-        dropdownStyle={{
-          background: '#1A202C',
-          borderColor: 'rgba(212, 175, 55, 0.3)',
-        }}
       />
       <IconButton
         icon={<RefreshCw size={14} className={isLoading ? 'spin' : ''} />}