fix: 显示界面，功能优化。

src/pages/health/activity/list.vue

@@ -454,21 +454,26 @@ function previewAttachment(urls, index) {
 // 活动特有 - 卡片头部布局
 .item-header {
   gap: 12rpx;
+  /* 允许 header 内容换行，避免长地点/长名字被省略号截断 */
+  align-items: flex-start;
 
   .place-info {
     flex: 1;
     min-width: 0;
     display: flex;
-    align-items: center;
+    align-items: flex-start;
 
     .place-text {
       color: #ffffff;
       font-size: 30rpx;
       font-weight: 500;
       line-height: 1.3;
+      /* 长地点名称最多2行后省略 */
+      display: -webkit-box;
+      -webkit-line-clamp: 2;
+      -webkit-box-orient: vertical;
       overflow: hidden;
-      text-overflow: ellipsis;
-      white-space: nowrap;
+      word-break: break-all;
     }
   }
 
@@ -489,9 +494,10 @@ function previewAttachment(urls, index) {
 
   .name-section {
     display: flex;
-    align-items: center;
-    flex: 1;
+    align-items: flex-start;
+    flex: 0 1 auto;
     min-width: 0;
+    max-width: 40%;
     justify-content: flex-end;
 
     .name-value {
@@ -499,9 +505,13 @@ function previewAttachment(urls, index) {
       font-size: 30rpx;
       font-weight: 700;
       line-height: 1.3;
-      white-space: nowrap;
+      /* 长活动名最多2行后省略 */
+      display: -webkit-box;
+      -webkit-line-clamp: 2;
+      -webkit-box-orient: vertical;
       overflow: hidden;
-      text-overflow: ellipsis;
+      word-break: break-all;
+      text-align: right;
       letter-spacing: 0.5rpx;
     }
   }