fix(Pagination): 优化中间页码显示，调整跳转文案格式

- 中间页码：显示当前页前后各1个页码 (如 1...4,5,6...10)
- 跳转文案：从"跳转到 [页]"改为"第 [  ] 页"格式

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

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

src/views/Community/components/DynamicNews/PaginationControl.js

@@ -60,10 +60,12 @@ const PaginationControl = React.memo(({ currentPage, totalPages, onPageChange })
           pageNumbers.push(i);
         }
       } else {
-        // 当前页在中间
+        // 当前页在中间：显示当前页前后各1个页码
         pageNumbers.push(1);
         pageNumbers.push('...');
-        pageNumbers.push(currentPage);
+        pageNumbers.push(currentPage - 1);  // 前一页
+        pageNumbers.push(currentPage);       // 当前页
+        pageNumbers.push(currentPage + 1);  // 后一页
         pageNumbers.push('...');
         pageNumbers.push(totalPages);
       }
@@ -180,7 +182,7 @@ const PaginationControl = React.memo(({ currentPage, totalPages, onPageChange })
         {/* 输入框跳转 */}
         <HStack spacing={1.5}>
           <Text fontSize="xs" color="gray.600">
-            跳转到
+            第
           </Text>
           <Input
             size="xs"
@@ -191,10 +193,13 @@ const PaginationControl = React.memo(({ currentPage, totalPages, onPageChange })
             value={jumpPage}
             onChange={(e) => setJumpPage(e.target.value)}
             onKeyPress={handleKeyPress}
-            placeholder="页"
+            placeholder=""
             bg={buttonBg}
             borderColor={borderColor}
           />
+          <Text fontSize="xs" color="gray.600">
+            页
+          </Text>
           <Button
             size="xs"
             colorScheme="blue"