fix(frontend): FamilyMemberStrip centerMemberId watcher 加 immediate + 清理重复 .action-header 样式

cfc-frontend/components/FamilyMemberStrip.vue

@@ -164,10 +164,13 @@ export default {
       },
       immediate: true
     },
-    centerMemberId: function(val) {
-      if (val) {
-        this.loadPairwise(val)
-      }
+    centerMemberId: {
+      handler: function(val) {
+        if (val) {
+          this.loadPairwise(val)
+        }
+      },
+      immediate: true
     }
   },
   computed: {
@@ -403,13 +406,6 @@ export default {
   padding: 20rpx 0;
   padding-bottom: calc(20rpx + env(safe-area-inset-bottom));
 }
-.action-header {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  padding: 16rpx 30rpx 20rpx;
-  border-bottom: 1rpx solid #F3F4F6;
-}
 .action-title {
   font-size: 30rpx;
   font-weight: 600;