feat(community): 列表模式事件卡片高度自适应

src/views/Community/components/DynamicNewsCard/VerticalModeLayout.js

@@ -112,6 +112,7 @@ const VerticalModeLayout = ({
                   timelineStyle={getTimelineBoxStyle()}
                   borderColor={borderColor}
                   indicatorSize={layoutMode === 'detail' ? 'default' : 'comfortable'}
+                  layout="vertical"
                 />
               ))}
           </VStack>

src/views/Community/components/EventCard/HorizontalDynamicNewsEventCard.js

@@ -34,6 +34,7 @@ import StockChangeIndicators from '../../../../components/StockChangeIndicators'
  * @param {Object} props.timelineStyle - 时间轴样式配置
  * @param {string} props.borderColor - 边框颜色
  * @param {string} props.indicatorSize - 涨幅指标尺寸 ('default' | 'comfortable' | 'large')
+ * @param {string} props.layout - 布局模式 ('vertical' | 'four-row')，影响时间轴竖线高度
  */
 const HorizontalDynamicNewsEventCard = ({
     event,
@@ -47,6 +48,7 @@ const HorizontalDynamicNewsEventCard = ({
     timelineStyle,
     borderColor,
     indicatorSize = 'comfortable',
+    layout = 'vertical',
 }) => {
     const importance = getImportanceConfig(event.importance);
 
@@ -98,7 +100,7 @@ const HorizontalDynamicNewsEventCard = ({
                 createdAt={event.created_at}
                 timelineStyle={timelineStyle}
                 borderColor={borderColor}
-                minHeight="60px"
+                minHeight={layout === 'four-row' ? '60px' : 0}
             />
 
             {/* 右侧事件卡片容器（带印章） */}