style(Community): 相关股票弹窗表格 hover 背景色改为深色

- 为 .related-stocks-table-wrapper 添加专属 hover 样式
- hover 背景色: rgba(30, 40, 70, 0.8) 深蓝灰色

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

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

src/views/Community/components/HeroPanel/styles/animations.css

@@ -122,6 +122,13 @@
   scrollbar-color: rgba(255, 215, 0, 0.4) rgba(255, 255, 255, 0.05);
 }
 
+/* 相关股票表格 hover 样式 - 深色背景 */
+.related-stocks-table-wrapper .ant-table-tbody > tr:hover > td,
+.related-stocks-table-wrapper .ant-table-tbody > tr.ant-table-row:hover > td,
+.related-stocks-table-wrapper .ant-table-cell-row-hover {
+  background: rgba(30, 40, 70, 0.8) !important;
+}
+
 /* Tag 样式优化 */
 .hero-panel-modal .ant-tag {
   border-radius: 4px !important;