style(FamilyAlbum): 统一使用方形比例并添加网格样式

将加载中和相册项的固定高度改为方形比例，确保视觉一致性
添加网格布局相关样式类以改进排列方式

@@ -14,7 +14,7 @@
         <view
           v-for="n in 4"
           :key="n"
-          class="rounded-lg h-32 bg-gray-200 animate-pulse"
+          class="rounded-lg aspect-square bg-gray-200 animate-pulse"
         ></view>
       </view>
 
@@ -23,7 +23,7 @@
         <view
           v-for="(item, index) in albumData"
           :key="item.id || index"
-          class="rounded-lg overflow-hidden h-32 relative cursor-pointer shadow-md"
+          class="rounded-lg overflow-hidden aspect-square relative cursor-pointer shadow-md"
           @click="handleMediaClick(item, albumData)"
         >
           <image
@@ -176,5 +176,19 @@ defineExpose({
 </script>
 
 <style lang="less" scoped>
-// 组件样式
+.grid {
+  display: grid;
+}
+
+.grid-cols-2 {
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+}
+
+.gap-3 {
+  gap: 0.75rem;
+}
+
+.aspect-square {
+  aspect-ratio: 1 / 1;
+}
 </style>