feat: 概念股票列表支持滚动查看全部数据

src/views/Community/components/DynamicNewsDetail/RelatedConceptsSection/DetailedConceptCard.js

@@ -137,11 +137,48 @@ const DetailedConceptCard = ({ concept, onClick }) => {
                 </Text>
               </HStack>
 
-              <SimpleGrid columns={{ base: 1 }} spacing={2}>
-                {concept.stocks.slice(0, 4).map((stock, idx) => (
-                  <ConceptStockItem key={idx} stock={stock} />
-                ))}
-              </SimpleGrid>
+              {/* 可滚动容器 - 默认显示4条，可滚动查看全部 */}
+              <Box
+                maxH="300px"
+                overflowY="auto"
+                pr={2}
+                onWheel={(e) => {
+                  const element = e.currentTarget;
+                  const scrollTop = element.scrollTop;
+                  const scrollHeight = element.scrollHeight;
+                  const clientHeight = element.clientHeight;
+
+                  // 如果在滚动范围内，阻止事件冒泡到父容器
+                  if (
+                    (e.deltaY < 0 && scrollTop > 0) || // 向上滚动且未到顶部
+                    (e.deltaY > 0 && scrollTop + clientHeight < scrollHeight) // 向下滚动且未到底部
+                  ) {
+                    e.stopPropagation();
+                  }
+                }}
+                css={{
+                  overscrollBehavior: 'contain', // 防止滚动链
+                  '&::-webkit-scrollbar': {
+                    width: '6px',
+                  },
+                  '&::-webkit-scrollbar-track': {
+                    background: '#f1f1f1',
+                  },
+                  '&::-webkit-scrollbar-thumb': {
+                    background: '#888',
+                    borderRadius: '3px',
+                  },
+                  '&::-webkit-scrollbar-thumb:hover': {
+                    background: '#555',
+                  },
+                }}
+              >
+                <SimpleGrid columns={{ base: 1 }} spacing={2}>
+                  {concept.stocks.map((stock, idx) => (
+                    <ConceptStockItem key={idx} stock={stock} />
+                  ))}
+                </SimpleGrid>
+              </Box>
             </Box>
           )}
         </VStack>