fix: 事件详情弹窗UI调整

重要性h5不展示
事件列表卡片间距调整

src/views/Community/components/DynamicNewsCard.js

@@ -610,7 +610,9 @@ const [currentMode, setCurrentMode] = useState('vertical');
       <CardBody
         ref={cardBodyRef}
         position="relative"
-        pt={4}
+        pt={0}
+        px={0}
+        mx={0}
         display="flex"
         flexDirection="column"
         overflow="visible"

src/views/Community/components/DynamicNewsDetail/CompactMetaBar.js

@@ -47,7 +47,7 @@ const CompactMetaBar = ({ event, importance, isFollowing, followerCount, onToggl
       spacing={3}
       zIndex={1}
     >
-      {/* 重要性徽章 - 与 EventHeaderInfo 样式一致，尺寸略小 */}
+      {/* 重要性徽章 - 与 EventHeaderInfo 样式一致，尺寸略小 - H5 隐藏 */}
       <Badge
         px={3}
         py={1.5}
@@ -62,7 +62,7 @@ const CompactMetaBar = ({ event, importance, isFollowing, followerCount, onToggl
         }
         color="white"
         boxShadow="lg"
-        display="flex"
+        display={{ base: 'none', lg: 'flex' }}
         alignItems="center"
         gap={1}
       >