feat: show author follower count on post cards

uniapp/src/packages_community/components/post-card.vue

@@ -11,6 +11,7 @@
             <view class="post-card__author">
                 <view class="post-card__identity">
                     <text class="post-card__nickname">{{ post.user?.nickname || '匿名用户' }}</text>
+                    <text v-if="post.user?.id" class="post-card__follow-count">关注 {{ formatCount(post.user.fans_count) }}</text>
                     <text v-if="post.is_top" class="post-card__pin">置顶</text>
                 </view>
                 <text class="post-card__time">{{ formatTime(post.create_time) }}</text>
@@ -248,10 +249,13 @@ const formatCount = (value: any) => {
         align-items: center;
     }
 
-    &__identity { gap: 10rpx; }
+    &__identity {
+        min-width: 0;
+        gap: 9rpx;
+    }
 
     &__nickname {
-        max-width: 250rpx;
+        max-width: 220rpx;
         overflow: hidden;
         color: #202a3b;
         font-size: 29rpx;
@@ -260,6 +264,20 @@ const formatCount = (value: any) => {
         white-space: nowrap;
     }
 
+    &__follow-count {
+        min-width: 0;
+        padding: 5rpx 14rpx;
+        border-radius: 999rpx;
+        color: #fff;
+        font-size: 20rpx;
+        font-weight: 600;
+        line-height: 1.1;
+        white-space: nowrap;
+        background: linear-gradient(135deg, #2480ff 0%, #0d63ed 100%);
+        box-shadow: 0 4rpx 10rpx rgba(20, 104, 245, 0.2);
+        flex-shrink: 0;
+    }
+
     &__pin,
     &__free,
     &__price {