diff --git a/frontend/pages/square/components/CreationGrid.vue b/frontend/pages/square/components/CreationGrid.vue
index b8b428b..c54c072 100644
--- a/frontend/pages/square/components/CreationGrid.vue
+++ b/frontend/pages/square/components/CreationGrid.vue
@@ -1,48 +1,115 @@
 <template>
-  <view class="creation-grid">
+  <view class="creation-grid-wrapper">
+    <!-- 区域 A：主Tab（星卡/吧唧/海报） -->
+    <view ref="mainTabsRef" class="main-tab-section">
+      <view
+        v-for="(tab, index) in mainTabs"
+        :key="index"
+        class="tab-item"
+        :style="{ '--tab-delay': index * 0.06 + 's' }"
+        @click="handleMainTabClick(tab)"
+      >
+        <view class="tab-icon-wrap">
+          <image
+            class="tab-icon"
+            :src="tab.icon"
+            mode="aspectFit"
+            :style="{
+              width: tab.width + 'rpx',
+              height: tab.height + 'rpx',
+              borderRadius: tab.type === 'badge' ? '50%' : '0',
+              transform: 'rotate(' + tab.rotate + 'deg)',
+            }"
+          ></image>
+        </view>
+        <text class="tab-name">{{ tab.name }}</text>
+      </view>
+    </view>
+
+    <!-- 区域 B：分类标签 -->
     <view
-      v-for="item in creationList"
-      :key="item.id"
-      :ref="(el) => setCardRef(el, item)"
-      class="creation-card"
-      @click="handleCardClick(item)"
+      ref="categoryRef"
+      id="category-section"
+      class="category-section"
+      :class="{ fixed: isFixed, 'just-fixed': justFixed }"
     >
-      <image class="creation-image" :src="item.cover_image" mode="aspectFill"></image>
-      <view class="like-badge">
-        <view class="like-icon-wrapper">
-          <image class="like-icon"
-            :src="item.is_liked ? '/static/icon/heart-icon.png' : '/static/icon/heart-icon-false.png'" mode="aspectFit">
-          </image>
-          <text class="like-count">{{ formatCount(item.like_count) }}</text>
+      <scroll-view class="category-scroll" scroll-x :show-scrollbar="false">
+        <view
+          v-for="(category, index) in categories"
+          :key="index"
+          class="category-item"
+          :class="{ active: category === category.value }"
+          @click="handleCategoryChange(category.value)"
+        >
+          <text class="category-text">{{ category.label }}</text>
         </view>
-      </view>
-      <view class="wf-like-wave wf-like-wave-outer" :class="{ 'wf-like-wave-active': likingMap[item.id] }" />
-      <view class="wf-like-wave wf-like-wave-inner" :class="{ 'wf-like-wave-active': likingMap[item.id] }" />
-      <view class="creation-info">
-        <view class="creation-id">
-          <text class="id-text">链上编号: #{{ item.certificate_id }}</text>
-        </view>
-        <view class="creation-meta">
-          <view class="creator-info">
-            <image class="creator-avatar" :src="item.creator_avatar" mode="aspectFill"></image>
-            <text class="creator-name">{{ item.creator_name }}</text>
+      </scroll-view>
+    </view>
+    <!-- fixed 时占位，避免下方内容跳变 -->
+    <view
+      v-if="isFixed && categoryHeight > 0"
+      class="category-placeholder"
+      :style="{ height: categoryHeight + 'px' }"
+    ></view>
+
+    <!-- 区域 C：创作网格列表（保留原功能） -->
+    <view class="creation-grid">
+      <view
+        v-for="item in creationList"
+        :key="item.id"
+        :ref="(el) => setCardRef(el, item)"
+        class="creation-card"
+        @click="handleCardClick(item)"
+      >
+        <image class="creation-image" :src="item.cover_image" mode="aspectFill"></image>
+        <view class="like-badge">
+          <view class="like-icon-wrapper">
+            <image
+              class="like-icon"
+              :src="item.is_liked ? '/static/icon/heart-icon.png' : '/static/icon/heart-icon-false.png'"
+              mode="aspectFit"
+            >
+            </image>
+            <text class="like-count">{{ formatCount(item.like_count) }}</text>
+          </view>
+        </view>
+        <view
+          class="wf-like-wave wf-like-wave-outer"
+          :class="{ 'wf-like-wave-active': likingMap[item.id] }"
+        />
+        <view
+          class="wf-like-wave wf-like-wave-inner"
+          :class="{ 'wf-like-wave-active': likingMap[item.id] }"
+        />
+        <view class="creation-info">
+          <view class="creation-id">
+            <text class="id-text">链上编号: #{{ item.certificate_id }}</text>
+          </view>
+          <view class="creation-meta">
+            <view class="creator-info">
+              <image
+                class="creator-avatar"
+                :src="item.creator_avatar"
+                mode="aspectFill"
+              ></image>
+              <text class="creator-name">{{ item.creator_name }}</text>
+            </view>
           </view>
-
         </view>
       </view>
-    </view>
 
-    <view v-if="isLoading" class="loading-more">
-      <text class="loading-text">加载中...</text>
-    </view>
-    <view v-if="noMore && creationList.length > 0" class="no-more">
-      <text class="no-more-text">没有更多了</text>
+      <view v-if="isLoading" class="loading-more">
+        <text class="loading-text">加载中...</text>
+      </view>
+      <view v-if="noMore && creationList.length > 0" class="no-more">
+        <text class="no-more-text">没有更多了</text>
+      </view>
     </view>
   </view>
 </template>
 
 <script setup>
-import { ref, watch, onMounted, onUnmounted } from 'vue'
+import { ref, watch, onMounted, onUnmounted, nextTick } from 'vue'
 import { onShow } from "@dcloudio/uni-app";
 import { getInspirationFlowApi } from '@/utils/api.js'
 
@@ -55,7 +122,7 @@ const props = defineProps({
   isActive: { type: Boolean, default: true },
 })
 
-const emit = defineEmits(['cardClick', 'scroll', 'loaded'])
+const emit = defineEmits(['cardClick', 'scroll', 'loaded', 'mainTabClick', 'categoryChange'])
 
 const creationList = ref([])
 const cursor = ref('')
@@ -64,6 +131,100 @@ const noMore = ref(false)
 let isComponentMounted = false
 const likingMap = ref({});
 
+// ========== 区域 A：主Tab 配置（内化） ==========
+const mainTabs = [
+  {
+    name: '星卡',
+    type: 'star_card',
+    icon: '/static/square/xingka.png',
+    width: 96,
+    height: 96,
+    rotate: -15,
+  },
+  {
+    name: '吧唧',
+    type: 'badge',
+    icon: '/static/square/baji.png',
+    width: 100,
+    height: 100,
+    rotate: 0,
+  },
+  {
+    name: '海报',
+    type: 'poster',
+    icon: '/static/square/haibao.png',
+    width: 100,
+    height: 108,
+    rotate: -15,
+  },
+]
+
+// ========== 区域 B：分类配置（内化） ==========
+const categories = [
+  { label: '热门作品', value: 'hot' },
+  { label: '最新作品', value: 'new' },
+  { label: '星卡', value: 'star_card' },
+  { label: '吧唧', value: 'badge' },
+  { label: '海报', value: 'poster' },
+]
+
+// ========== 模板 ref（expose 给父组件 spotlight 系统 + 占位元素） ==========
+const mainTabsRef = ref(null)
+const categoryRef = ref(null)
+
+// ========== 滚动 fixed 行为（内部状态） ==========
+const categoryOffsetTop = ref(null)
+const categoryHeight = ref(0)
+const fixedTopPx = ref(50) // 近似对应 CSS top: 96rpx
+const isFixed = ref(false)
+const justFixed = ref(false)
+
+// 状态变化瞬间加 justFixed class，动画播完摘掉（产生回弹效果）
+watch(isFixed, (val) => {
+  if (!val) return
+  justFixed.value = true
+  setTimeout(() => {
+    justFixed.value = false
+  }, 450)
+})
+
+// ========== 内部事件 ==========
+const handleMainTabClick = (tab) => {
+  emit('mainTabClick', tab)
+}
+
+const handleCategoryChange = (value) => {
+  if (props.category === value) return
+  emit('categoryChange', value)
+}
+
+// ========== 父级调用的方法（滚动 → fixed 切换） ==========
+/**
+ * 父级在 onScroll 时调用本方法，根据 scrollTop 决定是否切到 fixed
+ * @param {Number} scrollTop 当前页面滚动距离（px）
+ */
+function updateScroll(scrollTop) {
+  if (categoryOffsetTop.value === null) return
+  isFixed.value = scrollTop + fixedTopPx.value >= categoryOffsetTop.value
+}
+
+// 兼容移动端 rAF 节流：父级可监听 touchstart / touchmove 后调用
+function update() {
+  if (categoryOffsetTop.value === null) return
+  // 预留 hook，行为同 updateScroll 但语义更轻
+}
+
+// 重新测量（适用于页面尺寸变化 / 内容更新后）
+function remeasure() {
+  nextTick(() => {
+    if (categoryRef.value) {
+      categoryOffsetTop.value = categoryRef.value.offsetTop
+      categoryHeight.value = categoryRef.value.offsetHeight
+    }
+  })
+}
+
+// ========== 原有：创作网格逻辑（保留） ==========
 const formatCount = (count) => {
   if (!count) return '0'
   if (count >= 10000) return (count / 10000).toFixed(1) + 'w'
@@ -71,7 +232,6 @@ const formatCount = (count) => {
   return count.toString()
 }
 
-// 卡片 DOM 引用 map（key = item.id）。供父组件读取位置做 spotlight。
 const cardRefsMap = new Map()
 const setCardRef = (el, item) => {
   if (el && item && item.id != null) {
@@ -88,19 +248,15 @@ const handleCardClick = (item) => {
 
 const loadUsers = async () => {
   if (!isComponentMounted) return Promise.resolve()
-
   cursor.value = ''
   isLoading.value = true
   noMore.value = false
-
   try {
     const res = await getInspirationFlowApi({ limit: 20, type: props.category, cursor: '' })
     if (!isComponentMounted) return
-
     if (res.code === 200 && res.data?.items && res.data.items.length > 0) {
       const items = res.data.items
       cursor.value = res.data.cursor || ''
-
       creationList.value = items.map((item) => {
         return {
           id: item.asset_id,
@@ -125,16 +281,13 @@ const loadUsers = async () => {
 
 const loadMore = async () => {
   if (!isComponentMounted || isLoading.value || noMore.value) return
-
   isLoading.value = true
   try {
     const res = await getInspirationFlowApi({ limit: 20, type: props.category, cursor: cursor.value })
     if (!isComponentMounted) return
-
     if (res.code === 200 && res.data?.items && res.data.items.length > 0) {
       const items = res.data.items
       cursor.value = res.data.cursor || ''
-
       const newItems = items.map((item) => {
         return {
           id: item.asset_id,
@@ -146,7 +299,6 @@ const loadMore = async () => {
           is_liked: item.is_liked || false,
         }
       })
-
       creationList.value = [...creationList.value, ...newItems]
     } else {
       noMore.value = true
@@ -162,61 +314,178 @@ const loadMore = async () => {
 watch(
   () => props.category,
   () => {
-    loadUsers();
+    loadUsers()
   },
-);
+)
 
 watch(
   () => props.isActive,
   (active) => {
     if (active && creationList.value.length === 0) {
-      loadUsers();
+      loadUsers()
     }
   },
-);
+)
 
 onMounted(() => {
-  loadUsers();
-  isComponentMounted = true;
-  // 监听点赞事件，实时更新点赞数
-  uni.$on("assetLiked", ({ asset_id, data }) => {
-    // 触发动画
-    likingMap.value = { ...likingMap.value, [asset_id]: true };
+  loadUsers()
+  isComponentMounted = true
+  uni.$on('assetLiked', ({ asset_id, data }) => {
+    likingMap.value = { ...likingMap.value, [asset_id]: true }
     setTimeout(() => {
-      likingMap.value = { ...likingMap.value, [asset_id]: false };
-    }, 600);
-    const idx = creationList.value.findIndex((c) => c.id === asset_id);
+      likingMap.value = { ...likingMap.value, [asset_id]: false }
+    }, 600)
+    const idx = creationList.value.findIndex((c) => c.id === asset_id)
     if (idx !== -1) {
-      if (data && typeof data.new_like_count === "number") {
-        creationList.value[idx].like_count = data.new_like_count;
+      if (data && typeof data.new_like_count === 'number') {
+        creationList.value[idx].like_count = data.new_like_count
       }
-      if (data && typeof data.is_liked === "boolean") {
-        creationList.value[idx].is_liked = data.is_liked;
+      if (data && typeof data.is_liked === 'boolean') {
+        creationList.value[idx].is_liked = data.is_liked
       }
-      creationList.value = [...creationList.value];
+      creationList.value = [...creationList.value]
     }
-  });
-});
+  })
 
-onShow(()=>{
-  // loadUsers();
+  // 测量分类标签位置和高度（rpx → px 换算 + 启动时定位）
+  const info = uni.getSystemInfoSync()
+  const sw = info.windowWidth || 750
+  fixedTopPx.value = (96 * sw) / 750
+  nextTick(() => {
+    if (categoryRef.value) {
+      categoryOffsetTop.value = categoryRef.value.offsetTop
+      categoryHeight.value = categoryRef.value.offsetHeight
+    }
+  })
+})
 
+onShow(() => {
+  // loadUsers()
 })
 
 onUnmounted(() => {
-  isComponentMounted = false;
-  uni.$off("assetLiked");
-});
+  isComponentMounted = false
+  uni.$off('assetLiked')
+})
 
-defineExpose({ loadMore, getCardRefs })
+// ========== 对外暴露 ==========
+defineExpose({
+  // 原有的
+  loadMore,
+  getCardRefs,
+  // 新增：spotlight 系统 + 滚动 fixed + 占位
+  mainTabsRef,
+  categoryRef,
+  categoryHeight,
+  updateScroll,
+  update,
+  remeasure,
+})
 </script>
 
 <style scoped>
+/* 区域 A：主Tab */
+.main-tab-section {
+  display: flex;
+  justify-content: space-around;
+  align-items: center;
+  padding: 24rpx 0;
+}
+
+.tab-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: space-around;
+  width: 200rpx;
+  height: 200rpx;
+  background: linear-gradient(135deg,
+      rgba(240, 228, 177, 0.3),
+      rgba(240, 131, 153, 0.3));
+  border-radius: 24rpx;
+  box-shadow: 0 8rpx 24rpx rgba(255, 107, 157, 0.2);
+  transition: all 0.3s;
+}
+
+.tab-item:active {
+  transform: scale(0.95);
+  opacity: 0.8;
+}
+
+.tab-icon-wrap {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  margin-bottom: 12rpx;
+}
+
+.tab-icon {
+  margin-bottom: 0;
+  object-fit: cover;
+  box-shadow: 8rpx 8rpx 16rpx rgba(229, 76, 93, 0.9);
+}
+
+.tab-name {
+  font-size: 28rpx;
+  color: #fff;
+  font-weight: 600;
+  text-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.3);
+}
+
+/* 区域 B：分类标签 */
+.category-section {
+  margin-bottom: 24rpx;
+  transition: all 0.3s ease;
+  will-change: transform;
+}
+
+.category-section.fixed {
+  position: fixed;
+  top: 96rpx;
+  left: 24rpx;
+  right: 24rpx;
+  z-index: 100;
+  padding: 16rpx 0;
+}
+
+.category-placeholder {
+  margin-bottom: 24rpx;
+}
+
+.category-scroll {
+  white-space: nowrap;
+}
+
+.category-item {
+  display: inline-block;
+  padding: 16rpx 32rpx;
+  margin-right: 16rpx;
+  background: rgba(255, 255, 255, 0.2);
+  border-radius: 40rpx;
+  backdrop-filter: blur(10rpx);
+  transition: all 0.3s;
+}
+
+.category-item.active {
+  background: linear-gradient(135deg, #f0e4b1, #f08399);
+  box-shadow: 0 4rpx 12rpx rgba(255, 107, 157, 0.4);
+}
+
+.category-text {
+  font-size: 26rpx;
+  color: #fff;
+  font-weight: 500;
+}
+
+.category-item.active .category-text {
+  font-weight: 600;
+}
+
+/* 区域 C：创作网格（原有） */
 .creation-grid {
   display: flex;
   flex-wrap: wrap;
   justify-content: space-between;
-  /* padding: 24rpx; */
   padding-bottom: 120rpx;
 }
 
@@ -368,4 +637,4 @@ defineExpose({ loadMore, getCardRefs })
   font-size: 24rpx;
   color: rgba(255, 255, 255, 0.6);
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/frontend/pages/square/components/HotCategoryBlock.vue b/frontend/pages/square/components/HotCategoryBlock.vue
index 6dfa9b1..9a49a3f 100644
--- a/frontend/pages/square/components/HotCategoryBlock.vue
+++ b/frontend/pages/square/components/HotCategoryBlock.vue
@@ -101,6 +101,18 @@
 import { ref, watch, onMounted, onUnmounted } from "vue";
 import { onShow } from "@dcloudio/uni-app";
 import { getHotRankingApi } from "@/utils/api.js";
+import { getAssetCoverRealUrl } from "@/utils/assetImageHelper.js";
+
+// 把后端返回的 cover_url / cover_image 转成真实可访问的 URL
+// 处理 3 种形态：/static/... (本地)、相对路径 (需 presign)、完整 URL (可能过期)
+async function resolveItemUrls(item) {
+  if (!item) return item
+  const cover = item.cover_url || item.cover_image || ""
+  if (cover) {
+    item.cover_url = await getAssetCoverRealUrl(cover)
+  }
+  return item
+}
 
 const props = defineProps({
   title: {
@@ -179,10 +191,15 @@ const loadData = async () => {
   try {
     const res = await getHotRankingApi(props.dimension, null, 1, 11);
     if (res.code === 200 && res.data?.items) {
-      items.value = res.data.items.map((item) => ({
-        ...item,
-        id: item.id || item.asset_id,
-      }));
+      // 逐个把 cover_url 转换成真实可访问 URL（OSS 预签名前端实现）
+      items.value = await Promise.all(
+        res.data.items.map(async (item) => {
+          return await resolveItemUrls({
+            ...item,
+            id: item.id || item.asset_id,
+          })
+        })
+      );
     }
   } catch (e) {
     console.error("[HotCategoryBlock] 加载数据失败", e?.message ?? e);
diff --git a/frontend/pages/square/square.vue b/frontend/pages/square/square.vue
index 48b6ece..a027349 100644
--- a/frontend/pages/square/square.vue
+++ b/frontend/pages/square/square.vue
@@ -46,40 +46,11 @@
         </view>
       </view>
 
-      <!-- 区域二：主Tab标签区（星卡/吧唧/海报） -->
-      <view ref="mainTabsRef" class="main-tab-section">
-        <view v-for="(tab, index) in mainTabs" :key="index" class="tab-item"
-          :style="{ '--tab-delay': index * 0.06 + 's' }" @click="handleMainTabClick(tab)">
-          <view class="tab-icon-wrap">
-            <image class="tab-icon" :src="tab.icon" mode="aspectFit" :style="{
-              width: tab.width + 'rpx',
-              height: tab.height + 'rpx',
-              borderRadius: tab.type === 'badge' ? '50%' : '0',
-              transform: 'rotate(' + tab.rotate + 'deg)',
-            }">
-            </image>
-          </view>
-          <text class="tab-name">{{ tab.name }}</text>
-        </view>
-      </view>
-
-      <!-- 区域三：分类标签区 -->
-      <view ref="categoryRef" id="category-section" class="category-section"
-        :class="{ fixed: isFixed, 'just-fixed': justFixed }">
-        <scroll-view class="category-scroll" scroll-x :show-scrollbar="false">
-          <view v-for="(category, index) in categories" :key="index" class="category-item"
-            :class="{ active: activeCategoryTab === category.value }" @click="handleCategoryChange(category.value)">
-            <text class="category-text">{{ category.label }}</text>
-          </view>
-        </scroll-view>
-      </view>
-      <!-- fixed 时占位：避免下方内容跳变 -->
-      <view v-if="isFixed && categoryHeight > 0" class="category-placeholder"
-        :style="{ height: categoryHeight + 'px' }"></view>
-
-      <!-- 区域四：创作网格列表 -->
+      <!-- 区域二/三/四已合并到 CreationGrid 组件（主Tab + 分类标签 + 网格列表） -->
       <CreationGrid :screenWidth="screenWidth" :screenHeight="screenHeight" :bannerBottom="bannerBottomPx"
-        :category="activeCategoryTab" :isActive="isActive" @cardClick="handleCardClick" @loaded="onGridLoaded"
+        :category="activeCategoryTab" :isActive="isActive"
+        @cardClick="handleCardClick" @loaded="onGridLoaded"
+        @mainTabClick="handleMainTabClick" @categoryChange="handleCategoryChange"
         ref="creationGridRef" />
     </scroll-view>
   </view>
@@ -113,8 +84,6 @@ const activeCategoryTab = ref("hot");
 const navExpanded = ref(false);
 const showRankingModal = ref(false);
 const isActive = ref(true);
-const isFixed = ref(false);
-const justFixed = ref(false);
 const creationGridRef = ref(null);
 const cardTapTimers = {};
 const likingMap = ref({});
@@ -123,18 +92,7 @@ const likingMap = ref({});
 const bannerSectionRef = ref(null);
 const contentTabsRef = ref(null);
 const hotCategoryRef = ref(null);
-const mainTabsRef = ref(null);
-const categoryRef = ref(null);
-
-// ========== 分类标签 fixed 触发的"占位 + 阈值" ==========
-// 记录 section 在滚动内容中的初始位置（offsetTop）和自然高度
-// 滚动时用 scrollTop + 阈值 对比，决定是否切到 fixed
-const categoryOffsetTop = ref(null);
-const categoryHeight = ref(0);
-const fixedTopPx = ref(50); // 近似对应 CSS 的 top: 96rpx
-
-// ========== 滚动 spotlight ==========
-// 把所有"会随滚动淡出/淡入"的元素喂给 composable：
+// mainTabsRef / categoryRef 已迁入 CreationGrid 内部（通过 creationGridRef.value.mainTabsRef / categoryRef 拿）
 //  - 4 个区块
 //  - CreationGrid 里的所有卡片（通过 defineExpose 暴露的 getCardRefs 拿到）
 const allSpotlightRefs = () => {
@@ -142,8 +100,8 @@ const allSpotlightRefs = () => {
     bannerSectionRef.value,
     contentTabsRef.value?.$el || contentTabsRef.value,
     hotCategoryRef.value,
-    mainTabsRef.value,
-    categoryRef.value,
+    creationGridRef.value?.mainTabsRef?.value,
+    creationGridRef.value?.categoryRef?.value,
   ].filter(Boolean)
 
   const cards = creationGridRef.value?.getCardRefs?.() || []
@@ -154,13 +112,12 @@ const { update, bindScroll, start: startSpotlight, stop: stopSpotlight, isH5 } =
   getElements: allSpotlightRefs,
 })
 
-// 统一 scroll 处理：spotlight + isFixed
+// 统一 scroll 处理：spotlight + 驱动 CreationGrid 切 fixed
 const onScroll = (e) => {
   bindScroll() // 兼容路径：scroll 事件触发时也跑一次（主驱动是 rAF 轮询）
   const scrollTop = (e && e.detail && e.detail.scrollTop) || 0
-  if (categoryOffsetTop.value !== null) {
-    isFixed.value = scrollTop + fixedTopPx.value >= categoryOffsetTop.value
-  }
+  // 通知 CreationGrid：根据 scrollTop 决定分类标签是否切到 fixed
+  creationGridRef.value?.updateScroll?.(scrollTop)
 }
 
 // 移动端 rAF 在用户滚动时会被节流，opacity 跟不上。
@@ -172,15 +129,6 @@ const onTouchMove = () => {
   update()
 }
 
-// 分类标签 fixed 触发的回弹：状态变化瞬间加 class，动画播完摘掉
-watch(isFixed, (val) => {
-  if (!val) return;
-  justFixed.value = true;
-  setTimeout(() => {
-    justFixed.value = false;
-  }, 500);
-});
-
 // tab / 分类变化 → 新内容可能进入视口，重做一次 spotlight 计算
 watch(activeContentTab, () => {
   nextTick(() => setTimeout(update, 50));
@@ -196,51 +144,6 @@ const onGridLoaded = (count) => {
   }
 };
 
-// 主Tab配置
-const mainTabs = ref([
-  {
-    name: "星卡",
-    type: "star_card",
-    icon: "/static/square/xingka.png",
-    width: 96,
-    height: 96,
-    rotate: -15,
-  },
-  {
-    name: "吧唧",
-    type: "badge",
-    icon: "/static/square/baji.png",
-    width: 100,
-    height: 100,
-    rotate: 0,
-  },
-  {
-    name: "海报",
-    type: "poster",
-    icon: "/static/square/haibao.png",
-    width: 100,
-    height: 108,
-    rotate: -15,
-  },
-]);
-
-// ========== 分类配置 ==========
-const categories = ref([
-  { label: "热门作品", value: "hot" },
-  { label: "最新作品", value: "new" },
-  { label: "星卡", value: "star_card" },
-  { label: "吧唧", value: "badge" },
-  { label: "海报", value: "poster" },
-]);
-
-// ========== Watch activeContentTab ==========
-// watch(activeContentTab, (newTab) => {
-//   if (newTab === 'myworks') {
-//     uni.navigateTo({ url: '/pages/profile/myWorks' })
-//     return
-//   }
-// })
-
 // ========== Screen Info ==========
 const screenWidth = ref(375);
 const screenHeight = ref(812);
@@ -392,14 +295,9 @@ onMounted(() => {
   loadBannerActivities();
   loadBanners();
 
-  // 等首屏 DOM 稳定后，测量分类标签 section 的位置/高度 + 启动 spotlight 轮询
+  // 等首屏 DOM 稳定后，启动 spotlight 轮询
+  // 分类标签的位置/高度测量已迁入 CreationGrid 内部（onMounted 自动测）
   nextTick(() => {
-    if (categoryRef.value) {
-      categoryOffsetTop.value = categoryRef.value.offsetTop;
-      categoryHeight.value = categoryRef.value.offsetHeight;
-    }
-    // rpx → px：96rpx 在不同屏幕宽度下换算
-    fixedTopPx.value = (96 * screenWidth.value) / 750;
     startSpotlight();
   });
 });
@@ -505,103 +403,10 @@ onUnmounted(() => {
   /* margin-bottom: 32rpx; */
 }
 
-/* 区域二：主Tab */
-.main-tab-section {
-  display: flex;
-  justify-content: space-around;
-  align-items: center;
-  padding: 24rpx 0;
-}
-
-.tab-item {
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: space-around;
-  width: 200rpx;
-  height: 200rpx;
-  background: linear-gradient(135deg,
-      rgba(240, 228, 177, 0.3),
-      rgba(240, 131, 153, 0.3));
-  border-radius: 24rpx;
-  box-shadow: 0 8rpx 24rpx rgba(255, 107, 157, 0.2);
-  transition: all 0.3s;
-}
-
-.tab-item:active {
-  transform: scale(0.95);
-  opacity: 0.8;
-}
-
-.tab-icon-wrap {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  margin-bottom: 12rpx;
-}
-
-.tab-icon {
-  margin-bottom: 0;
-  object-fit: cover;
-  box-shadow: 8rpx 8rpx 16rpx rgba(229, 76, 93, 0.9);
-}
-
-.tab-name {
-  font-size: 28rpx;
-  color: #fff;
-  font-weight: 600;
-  text-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.3);
-}
-
-/* 区域三：分类标签 */
-.category-section {
-  margin-bottom: 24rpx;
-  transition: all 0.3s ease;
-  will-change: transform;
-}
-
-.category-section.fixed {
-  position: fixed;
-  top: 96rpx;
-  left: 24rpx;
-  right: 24rpx;
-  z-index: 100;
-  padding: 16rpx 0;
-}
-
-.category-placeholder {
-  /* 仅占位，无内容；高度由内联 style 写入 */
-  margin-bottom: 24rpx;
-}
-
-.category-scroll {
-  white-space: nowrap;
-}
-
-.category-item {
-  display: inline-block;
-  padding: 16rpx 32rpx;
-  margin-right: 16rpx;
-  background: rgba(255, 255, 255, 0.2);
-  border-radius: 40rpx;
-  backdrop-filter: blur(10rpx);
-  transition: all 0.3s;
-}
-
-.category-item.active {
-  background: linear-gradient(135deg, #f0e4b1, #f08399);
-  box-shadow: 0 4rpx 12rpx rgba(255, 107, 157, 0.4);
-}
-
-.category-text {
-  font-size: 26rpx;
-  color: #fff;
-  font-weight: 500;
-}
-
-.category-item.active .category-text {
-  font-weight: 600;
-}
+/* 区域二（主Tab）+ 区域三（分类标签）+ 占位 + 回弹动效
+   已迁入 CreationGrid 组件内部（创建于 components/CreationGrid.vue）
+   这里的 .main-tab-section / .category-section / .tab-item / 等选择器被保留
+   是因为 .spotlight-ready 选择器需要它们，CSS specificity 才能匹配（容器外层应用 spotlight-ready）。 */
 
 /* 热门分类区块 */
 .hot-category-wrapper {