diff --git a/src/views/Community/components/EventCard/HorizontalDynamicNewsEventCard.js b/src/views/Community/components/EventCard/HorizontalDynamicNewsEventCard.js
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+// src/views/Community/components/EventCard/HorizontalDynamicNewsEventCard.js
+// 横向布局的动态新闻事件卡片组件（时间在左，卡片在右）
+
+import React from 'react';
+import {
+    HStack,
+    Card,
+    CardBody,
+    VStack,
+    Box,
+    Text,
+    Popover,
+    PopoverTrigger,
+    PopoverContent,
+    PopoverBody,
+    PopoverArrow,
+    Portal,
+    useColorModeValue,
+} from '@chakra-ui/react';
+import { getImportanceConfig, getAllImportanceLevels } from '../../../../constants/importanceLevels';
+
+// 导入子组件
+import EventTimeline from './EventTimeline';
+import EventFollowButton from './EventFollowButton';
+import StockChangeIndicators from '../../../../components/StockChangeIndicators';
+
+/**
+ * 横向布局的动态新闻事件卡片组件
+ * @param {Object} props
+ * @param {Object} props.event - 事件对象
+ * @param {number} props.index - 事件索引
+ * @param {boolean} props.isFollowing - 是否已关注
+ * @param {number} props.followerCount - 关注数
+ * @param {boolean} props.isSelected - 是否被选中
+ * @param {Function} props.onEventClick - 卡片点击事件
+ * @param {Function} props.onTitleClick - 标题点击事件
+ * @param {Function} props.onToggleFollow - 切换关注事件
+ * @param {Object} props.timelineStyle - 时间轴样式配置
+ * @param {string} props.borderColor - 边框颜色
+ */
+const HorizontalDynamicNewsEventCard = ({
+    event,
+    index,
+    isFollowing,
+    followerCount,
+    isSelected = false,
+    onEventClick,
+    onTitleClick,
+    onToggleFollow,
+    timelineStyle,
+    borderColor,
+}) => {
+    const importance = getImportanceConfig(event.importance);
+    const cardBg = useColorModeValue('white', 'gray.800');
+    const linkColor = useColorModeValue('blue.600', 'blue.400');
+
+    return (
+        <HStack align="stretch" spacing={3} w="full">
+            {/* 左侧时间轴 */}
+            <EventTimeline
+                createdAt={event.created_at}
+                timelineStyle={timelineStyle}
+                borderColor={borderColor}
+                minHeight="60px"
+            />
+
+            {/* 右侧事件卡片 */}
+            <Card
+                flex="1"
+                position="relative"
+                bg={isSelected
+                    ? useColorModeValue('blue.50', 'blue.900')
+                    : (index % 2 === 0 ? cardBg : useColorModeValue('gray.50', 'gray.750'))
+                }
+                borderWidth={isSelected ? "2px" : "1px"}
+                borderColor={isSelected
+                    ? useColorModeValue('blue.500', 'blue.400')
+                    : borderColor
+                }
+                borderRadius="md"
+                boxShadow={isSelected ? "lg" : "sm"}
+                overflow="hidden"
+                _hover={{
+                    boxShadow: 'xl',
+                    transform: 'translateY(-2px)',
+                    borderColor: isSelected ? 'blue.600' : importance.color,
+                }}
+                transition="all 0.3s ease"
+                cursor="pointer"
+                onClick={() => onEventClick?.(event)}
+            >
+                <CardBody p={3}>
+                    {/* 左上角：重要性矩形角标（镂空边框样式） */}
+                    <Popover trigger="hover" placement="right" isLazy>
+                        <PopoverTrigger>
+                            <Box
+                                position="absolute"
+                                top={0}
+                                left={0}
+                                zIndex={1}
+                                bg="transparent"
+                                color={importance.badgeBg}
+                                borderWidth="2px"
+                                borderColor={importance.badgeBg}
+                                fontSize="11px"
+                                fontWeight="bold"
+                                px={1.5}
+                                py={0.5}
+                                minW="auto"
+                                display="flex"
+                                alignItems="center"
+                                justifyContent="center"
+                                lineHeight="1"
+                                borderBottomRightRadius="md"
+                                cursor="help"
+                            >
+                                {importance.label}
+                            </Box>
+                        </PopoverTrigger>
+                        <Portal>
+                            <PopoverContent width="auto" maxW="350px">
+                                <PopoverArrow />
+                                <PopoverBody p={3}>
+                                    <VStack align="stretch" spacing={2}>
+                                        <Text fontSize="sm" fontWeight="bold" mb={1}>
+                                            重要性等级说明
+                                        </Text>
+                                        {getAllImportanceLevels().map(item => (
+                                            <HStack key={item.level} spacing={2} align="flex-start">
+                                                <Box
+                                                    w="20px"
+                                                    h="20px"
+                                                    borderWidth="2px"
+                                                    borderColor={item.badgeBg}
+                                                    color={item.badgeBg}
+                                                    fontSize="9px"
+                                                    fontWeight="bold"
+                                                    display="flex"
+                                                    alignItems="center"
+                                                    justifyContent="center"
+                                                    borderRadius="sm"
+                                                    flexShrink={0}
+                                                >
+                                                    {item.level}
+                                                </Box>
+                                                <Text fontSize="xs" flex={1}>
+                                                    <Text as="span" fontWeight="bold">
+                                                        {item.label}：
+                                                    </Text>
+                                                    {item.description}
+                                                </Text>
+                                            </HStack>
+                                        ))}
+                                    </VStack>
+                                </PopoverBody>
+                            </PopoverContent>
+                        </Portal>
+                    </Popover>
+
+                    {/* 右上角：关注按钮 */}
+                    <Box position="absolute" top={2} right={2} zIndex={1}>
+                        <EventFollowButton
+                            isFollowing={isFollowing}
+                            followerCount={followerCount}
+                            onToggle={() => onToggleFollow?.(event.id)}
+                            size="xs"
+                            showCount={false}
+                        />
+                    </Box>
+
+                    <VStack align="stretch" spacing={2}>
+                        {/* 标题 - 最多两行，添加上边距避免与角标重叠 */}
+                        <Box
+                            cursor="pointer"
+                            onClick={(e) => onTitleClick?.(e, event)}
+                            mt={1}
+                            paddingRight="10px"
+                        >
+                            <Text
+                                fontSize="md"
+                                fontWeight="semibold"
+                                color={linkColor}
+                                lineHeight="1.4"
+                                noOfLines={2}
+                                _hover={{ textDecoration: 'underline' }}
+                            >
+                                {event.title}
+                            </Text>
+                        </Box>
+
+                        {/* 第二行：涨跌幅数据 */}
+                        <StockChangeIndicators
+                            avgChange={event.related_avg_chg}
+                            maxChange={event.related_max_chg}
+                            weekChange={event.related_week_chg}
+                        />
+                    </VStack>
+                </CardBody>
+            </Card>
+        </HStack>
+    );
+};
+
+export default HorizontalDynamicNewsEventCard;