diff --git a/src/views/Community/components/DynamicNews/layouts/MainlineTimelineView.js b/src/views/Community/components/DynamicNews/layouts/MainlineTimelineView.js
index 24dea4ff..49eba932 100644
--- a/src/views/Community/components/DynamicNews/layouts/MainlineTimelineView.js
+++ b/src/views/Community/components/DynamicNews/layouts/MainlineTimelineView.js
@@ -24,12 +24,12 @@ import {
   Button,
 } from "@chakra-ui/react";
 import { ChevronDownIcon, ChevronUpIcon, RepeatIcon } from "@chakra-ui/icons";
-import { FiTrendingUp, FiZap, FiClock } from "react-icons/fi";
+import { FiTrendingUp, FiZap } from "react-icons/fi";
 import { FireOutlined } from "@ant-design/icons";
 import dayjs from "dayjs";
 import { Select } from "antd";
-import MiniEventCard from "../../EventCard/MiniEventCard";
 import { getApiBase } from "@utils/apiConfig";
+import { getChangeColor } from "@utils/colorUtils";
 import "../../SearchFilters/CompactSearchBox.css";
 
 // 固定深色主题颜色
@@ -50,7 +50,7 @@ const COLORS = {
 const EVENTS_PER_LOAD = 12;
 
 /**
- * 格式化时间显示
+ * 格式化时间显示 - 始终显示日期，避免跨天混淆
  */
 const formatEventTime = (dateStr) => {
   if (!dateStr) return "";
@@ -59,78 +59,164 @@ const formatEventTime = (dateStr) => {
   const isToday = date.isSame(now, "day");
   const isYesterday = date.isSame(now.subtract(1, "day"), "day");
 
+  // 始终显示日期，用标签区分今天/昨天
   if (isToday) {
-    return date.format("HH:mm");
+    return `今天 ${date.format("MM-DD HH:mm")}`;
   } else if (isYesterday) {
-    return `昨天 ${date.format("HH:mm")}`;
+    return `昨天 ${date.format("MM-DD HH:mm")}`;
   } else {
     return date.format("MM-DD HH:mm");
   }
 };
 
 /**
- * 单个事件项组件 - 带时间轴
+ * 根据涨跌幅获取背景色
  */
-const TimelineEventItem = React.memo(({ event, isSelected, onEventClick, isHot }) => {
-  // 使用后端返回的字段：related_max_chg（最大涨幅）或 related_avg_chg（平均涨幅）
-  const changePct = event.related_max_chg ?? event.related_avg_chg ?? event.max_change_pct ?? event.change_pct;
-  const hasChange = changePct != null;
-  const isPositive = hasChange && changePct >= 0;
+const getChangeBgColor = (value) => {
+  if (value == null || isNaN(value)) return "transparent";
+  const absChange = Math.abs(value);
+  if (value > 0) {
+    if (absChange >= 5) return "rgba(239, 68, 68, 0.12)";
+    if (absChange >= 3) return "rgba(239, 68, 68, 0.08)";
+    return "rgba(239, 68, 68, 0.05)";
+  } else if (value < 0) {
+    if (absChange >= 5) return "rgba(16, 185, 129, 0.12)";
+    if (absChange >= 3) return "rgba(16, 185, 129, 0.08)";
+    return "rgba(16, 185, 129, 0.05)";
+  }
+  return "transparent";
+};
+
+/**
+ * 单个事件项组件 - 卡片式布局
+ */
+const TimelineEventItem = React.memo(({ event, isSelected, onEventClick }) => {
+  // 使用 related_max_chg 作为主要涨幅显示
+  const maxChange = event.related_max_chg;
+  const avgChange = event.related_avg_chg;
+  const hasMaxChange = maxChange != null && !isNaN(maxChange);
+  const hasAvgChange = avgChange != null && !isNaN(avgChange);
+
+  // 用于背景色的涨幅（使用平均超额）
+  const bgValue = avgChange;
 
   return (
-    <HStack
-      spacing={0}
-      align="flex-start"
+    <Box
       w="100%"
       cursor="pointer"
       onClick={() => onEventClick?.(event)}
-      _hover={{ bg: "rgba(255, 255, 255, 0.06)" }}
-      borderRadius="md"
-      transition="all 0.15s"
-      bg={isSelected ? "rgba(66, 153, 225, 0.15)" : "transparent"}
-      py={2}
-      px={1}
+      bg={isSelected ? "rgba(66, 153, 225, 0.15)" : getChangeBgColor(bgValue)}
+      borderWidth="1px"
+      borderColor={isSelected ? "#4299e1" : COLORS.cardBorderColor}
+      borderRadius="lg"
+      p={3}
+      mb={2}
+      _hover={{
+        bg: isSelected ? "rgba(66, 153, 225, 0.2)" : "rgba(255, 255, 255, 0.06)",
+        borderColor: isSelected ? "#63b3ed" : "#5a6070",
+        transform: "translateY(-1px)",
+      }}
+      transition="all 0.2s ease"
     >
-      {/* 左侧时间 */}
+      {/* 第一行：时间 */}
       <Text
-        fontSize="sm"
+        fontSize="xs"
         color={COLORS.secondaryTextColor}
-        fontWeight="500"
-        w="58px"
-        flexShrink={0}
-        textAlign="right"
-        pr={3}
+        mb={1.5}
       >
         {formatEventTime(event.created_at || event.event_time)}
       </Text>
 
-      {/* 右侧内容 */}
-      <Box flex={1} minW={0} pr={2}>
-        <Text
-          fontSize="sm"
-          color={COLORS.textColor}
-          noOfLines={2}
-          lineHeight="1.6"
-        >
-          {event.title}
-        </Text>
-      </Box>
+      {/* 第二行：标题 */}
+      <Text
+        fontSize="sm"
+        color="#63b3ed"
+        fontWeight="medium"
+        noOfLines={2}
+        lineHeight="1.5"
+        mb={2}
+        _hover={{ textDecoration: "underline" }}
+      >
+        {event.title}
+      </Text>
 
-      {/* 涨跌幅 */}
-      {hasChange && (
-        <Text
-          fontSize="sm"
-          fontWeight="bold"
-          color={isPositive ? "#fc8181" : "#68d391"}
-          flexShrink={0}
-          minW="50px"
-          textAlign="right"
-        >
-          {isPositive ? "+" : ""}
-          {changePct.toFixed(1)}%
-        </Text>
+      {/* 第三行：涨跌幅指标 */}
+      {(hasMaxChange || hasAvgChange) && (
+        <HStack spacing={2} flexWrap="wrap">
+          {/* 最大超额 */}
+          {hasMaxChange && (
+            <Box
+              bg={maxChange > 0 ? "rgba(239, 68, 68, 0.15)" : "rgba(16, 185, 129, 0.15)"}
+              borderWidth="1px"
+              borderColor={maxChange > 0 ? "rgba(239, 68, 68, 0.3)" : "rgba(16, 185, 129, 0.3)"}
+              borderRadius="md"
+              px={2}
+              py={1}
+            >
+              <Text fontSize="xs" color={COLORS.secondaryTextColor} mb={0.5}>
+                最大超额
+              </Text>
+              <Text
+                fontSize="sm"
+                fontWeight="bold"
+                color={maxChange > 0 ? "#fc8181" : "#68d391"}
+              >
+                {maxChange > 0 ? "+" : ""}{maxChange.toFixed(2)}%
+              </Text>
+            </Box>
+          )}
+
+          {/* 平均超额 */}
+          {hasAvgChange && (
+            <Box
+              bg={avgChange > 0 ? "rgba(239, 68, 68, 0.15)" : "rgba(16, 185, 129, 0.15)"}
+              borderWidth="1px"
+              borderColor={avgChange > 0 ? "rgba(239, 68, 68, 0.3)" : "rgba(16, 185, 129, 0.3)"}
+              borderRadius="md"
+              px={2}
+              py={1}
+            >
+              <Text fontSize="xs" color={COLORS.secondaryTextColor} mb={0.5}>
+                平均超额
+              </Text>
+              <Text
+                fontSize="sm"
+                fontWeight="bold"
+                color={avgChange > 0 ? "#fc8181" : "#68d391"}
+              >
+                {avgChange > 0 ? "+" : ""}{avgChange.toFixed(2)}%
+              </Text>
+            </Box>
+          )}
+
+          {/* 超预期得分 */}
+          {event.expectation_surprise_score != null && (
+            <Box
+              bg={event.expectation_surprise_score >= 60 ? "rgba(239, 68, 68, 0.15)" :
+                  event.expectation_surprise_score >= 40 ? "rgba(237, 137, 54, 0.15)" : "rgba(66, 153, 225, 0.15)"}
+              borderWidth="1px"
+              borderColor={event.expectation_surprise_score >= 60 ? "rgba(239, 68, 68, 0.3)" :
+                  event.expectation_surprise_score >= 40 ? "rgba(237, 137, 54, 0.3)" : "rgba(66, 153, 225, 0.3)"}
+              borderRadius="md"
+              px={2}
+              py={1}
+            >
+              <Text fontSize="xs" color={COLORS.secondaryTextColor} mb={0.5}>
+                超预期
+              </Text>
+              <Text
+                fontSize="sm"
+                fontWeight="bold"
+                color={event.expectation_surprise_score >= 60 ? "#fc8181" :
+                    event.expectation_surprise_score >= 40 ? "#ed8936" : "#63b3ed"}
+              >
+                {Math.round(event.expectation_surprise_score)}分
+              </Text>
+            </Box>
+          )}
+        </HStack>
       )}
-    </HStack>
+    </Box>
   );
 });
 
@@ -159,25 +245,23 @@ const MainlineCard = React.memo(
       }
     }, [isExpanded]);
 
-    // 找出涨幅最大的事件（HOT 事件）
+    // 找出最大超额涨幅最高的事件（HOT 事件）
     const hotEvent = useMemo(() => {
       if (!mainline.events || mainline.events.length === 0) return null;
       let maxChange = -Infinity;
       let hot = null;
       mainline.events.forEach((event) => {
-        // 使用后端返回的字段：related_max_chg（最大涨幅）
-        const change = event.related_max_chg ?? event.related_avg_chg ?? event.max_change_pct ?? event.change_pct ?? -Infinity;
+        // 统一使用 related_max_chg（最大超额）
+        const change = event.related_max_chg ?? -Infinity;
         if (change > maxChange) {
           maxChange = change;
           hot = event;
         }
       });
-      // 只有当有正涨幅时才显示 HOT
+      // 只有当最大超额 > 0 时才显示 HOT
       return maxChange > 0 ? hot : null;
     }, [mainline.events]);
 
-    const hotEventId = hotEvent?.id;
-
     // 当前显示的事件
     const displayedEvents = useMemo(() => {
       return mainline.events.slice(0, displayCount);
@@ -292,8 +376,8 @@ const MainlineCard = React.memo(
           {hotEvent && (
             <Box
               px={3}
-              py={2.5}
-              bg="rgba(245, 101, 101, 0.08)"
+              py={3}
+              bg="rgba(245, 101, 101, 0.1)"
               borderBottomWidth="1px"
               borderBottomColor={COLORS.cardBorderColor}
               cursor="pointer"
@@ -301,11 +385,11 @@ const MainlineCard = React.memo(
                 e.stopPropagation();
                 onEventSelect?.(hotEvent);
               }}
-              _hover={{ bg: "rgba(245, 101, 101, 0.15)" }}
+              _hover={{ bg: "rgba(245, 101, 101, 0.18)" }}
               transition="all 0.15s"
             >
-              <HStack spacing={2} align="start">
-                {/* HOT 标签 */}
+              {/* 第一行：HOT 标签 + 最大超额 */}
+              <HStack spacing={2} mb={1.5}>
                 <Badge
                   bg="linear-gradient(135deg, #f56565 0%, #ed8936 100%)"
                   color="white"
@@ -313,7 +397,6 @@ const MainlineCard = React.memo(
                   px={2}
                   py={0.5}
                   borderRadius="sm"
-                  flexShrink={0}
                   display="flex"
                   alignItems="center"
                   gap="3px"
@@ -322,28 +405,30 @@ const MainlineCard = React.memo(
                   <FireOutlined style={{ fontSize: 11 }} />
                   HOT
                 </Badge>
-                {/* HOT 事件标题 */}
-                <Text
-                  fontSize="sm"
-                  color={COLORS.textColor}
-                  noOfLines={2}
-                  flex={1}
-                  lineHeight="1.5"
-                >
-                  {hotEvent.title}
-                </Text>
-                {/* HOT 事件涨幅 */}
-                {(hotEvent.related_max_chg ?? hotEvent.related_avg_chg) != null && (
-                  <Text
-                    fontSize="sm"
-                    fontWeight="bold"
-                    color="#fc8181"
-                    flexShrink={0}
+                {/* 最大超额涨幅 */}
+                {hotEvent.related_max_chg != null && (
+                  <Box
+                    bg="rgba(239, 68, 68, 0.2)"
+                    borderRadius="md"
+                    px={2}
+                    py={0.5}
                   >
-                    +{(hotEvent.related_max_chg ?? hotEvent.related_avg_chg).toFixed(1)}%
-                  </Text>
+                    <Text fontSize="xs" color="#fc8181" fontWeight="bold">
+                      最大超额 +{hotEvent.related_max_chg.toFixed(2)}%
+                    </Text>
+                  </Box>
                 )}
               </HStack>
+              {/* 第二行：标题 */}
+              <Text
+                fontSize="sm"
+                color={COLORS.textColor}
+                noOfLines={2}
+                lineHeight="1.5"
+                fontWeight="medium"
+              >
+                {hotEvent.title}
+              </Text>
             </Box>
           )}
         </Box>
@@ -351,7 +436,7 @@ const MainlineCard = React.memo(
         {/* 事件列表区域 */}
         {isExpanded ? (
           <Box
-            px={1}
+            px={2}
             py={2}
             flex={1}
             overflowY="auto"
@@ -366,18 +451,15 @@ const MainlineCard = React.memo(
               },
             }}
           >
-            {/* 事件列表 - 带时间轴 */}
-            <VStack spacing={0} align="stretch">
-              {displayedEvents.map((event) => (
-                <TimelineEventItem
-                  key={event.id}
-                  event={event}
-                  isSelected={selectedEvent?.id === event.id}
-                  onEventClick={onEventSelect}
-                  isHot={event.id === hotEventId}
-                />
-              ))}
-            </VStack>
+            {/* 事件列表 - 卡片式 */}
+            {displayedEvents.map((event) => (
+              <TimelineEventItem
+                key={event.id}
+                event={event}
+                isSelected={selectedEvent?.id === event.id}
+                onEventClick={onEventSelect}
+              />
+            ))}
 
             {/* 加载更多按钮 */}
             {hasMore && (
@@ -389,7 +471,7 @@ const MainlineCard = React.memo(
                 isLoading={isLoadingMore}
                 loadingText="加载中..."
                 w="100%"
-                mt={2}
+                mt={1}
                 _hover={{ bg: COLORS.headerHoverBg }}
               >
                 加载更多 ({mainline.events.length - displayCount} 条)
@@ -397,24 +479,21 @@ const MainlineCard = React.memo(
             )}
           </Box>
         ) : (
-          /* 折叠时显示简要信息 - 也带时间轴 */
-          <Box px={1} py={2} flex={1} overflow="hidden">
-            <VStack spacing={0} align="stretch">
-              {mainline.events.slice(0, 4).map((event) => (
-                <TimelineEventItem
-                  key={event.id}
-                  event={event}
-                  isSelected={selectedEvent?.id === event.id}
-                  onEventClick={onEventSelect}
-                  isHot={event.id === hotEventId}
-                />
-              ))}
-              {mainline.events.length > 4 && (
-                <Text fontSize="xs" color={COLORS.secondaryTextColor} pl="50px" pt={1}>
-                  ... 还有 {mainline.events.length - 4} 条
-                </Text>
-              )}
-            </VStack>
+          /* 折叠时显示简要信息 - 卡片式 */
+          <Box px={2} py={2} flex={1} overflow="hidden">
+            {mainline.events.slice(0, 3).map((event) => (
+              <TimelineEventItem
+                key={event.id}
+                event={event}
+                isSelected={selectedEvent?.id === event.id}
+                onEventClick={onEventSelect}
+              />
+            ))}
+            {mainline.events.length > 3 && (
+              <Text fontSize="sm" color={COLORS.secondaryTextColor} textAlign="center" pt={1}>
+                ... 还有 {mainline.events.length - 3} 条
+              </Text>
+            )}
           </Box>
         )}
       </Box>