feat(资料列表): 优化页面布局并增加示例数据

- 重构页面结构，使用 flex 布局实现顶部固定和列表独立滚动
- 增加多个示例资料数据，丰富页面内容
- 优化筛选逻辑，同时支持分类筛选和搜索筛选
- 修复删除操作时从 allList 中删除数据的问题

@@ -77,6 +77,7 @@ src/
 ## 📄 页面说明
 
 - 计划书页面支持顶部搜索与标签固定，列表区域独立滚动，便于快速筛选和浏览
+- 资料列表页面支持顶部搜索与分类固定，列表区域独立滚动，便于批量浏览与筛选
 - 资料列表、知识库、收藏、计划书页面统一使用 FilterTabs 组件进行横向筛选
 
 ## ✅ 优化建议

@@ -3,50 +3,45 @@
  * @Description: 资料列表页
 -->
 <template>
-  <div class="min-h-screen bg-[#F9FAFB] pb-[calc(160rpx+env(safe-area-inset-bottom))]">
-    <!-- Navigation Header -->
+  <view class="h-screen bg-[#F9FAFB] flex flex-col">
+    <view class="bg-[#F9FAFB]">
       <NavHeader :title="pageTitle" />
 
-    <!-- Search Bar -->
-    <div class="px-[32rpx] mt-[32rpx]">
-      <div class="bg-white rounded-[20rpx] flex items-center px-[32rpx] py-[24rpx] shadow-sm border border-gray-50">
+      <view class="px-[32rpx] mt-[32rpx]">
+        <view class="bg-white rounded-[20rpx] flex items-center px-[32rpx] py-[24rpx] shadow-sm border border-gray-50">
           <IconFont name="search" size="20" color="#9CA3AF" class="mr-[16rpx]" />
           <input v-model="searchValue" type="text" placeholder="搜索资料..."
             class="flex-1 text-[28rpx] text-[#1F2937] placeholder-gray-400 bg-transparent outline-none"
             @confirm="onSearch" />
-      </div>
-    </div>
+        </view>
+      </view>
 
-    <!-- Category Tabs -->
-    <!-- 根据是否有分类数据决定是否显示 tab -->
-    <div v-if="categories && categories.length > 0" class="px-[32rpx] mt-[32rpx]">
+      <view v-if="categories && categories.length > 0" class="px-[32rpx] mt-[32rpx]">
         <FilterTabs
           v-model="activeCategoryIndex"
           :tabs="categories"
           label-key="name"
           wrapper-class="mb-[40rpx]"
         />
-    </div>
+      </view>
+    </view>
 
-    <!-- Material List -->
-    <div class="px-[32rpx] mt-[32rpx]">
-      <div class="flex flex-col gap-[24rpx]">
-        <div v-for="(item, index) in list" :key="index"
+    <view class="flex-1 overflow-y-auto px-[32rpx] pb-[calc(160rpx+env(safe-area-inset-bottom))]">
+      <view class="flex flex-col gap-[24rpx]">
+        <view v-for="(item, index) in list" :key="index"
           class="material-item bg-white rounded-[24rpx] p-[24rpx] shadow-sm transition-all duration-200 border border-gray-50 flex flex-row"
           :style="{ animationDelay: `${index * 50}ms` }">
 
-          <!-- 左侧图标 -->
-          <div
+          <view
             class="w-[88rpx] h-[88rpx] mr-[24rpx] flex-shrink-0 flex items-center justify-center bg-gradient-to-br from-blue-50 to-blue-100 rounded-[20rpx] shadow-inner self-start">
             <image
               :src="getDocumentIcon(item.fileName)"
               class="w-[48rpx] h-[48rpx]"
               mode="aspectFit"
             />
-          </div>
+          </view>
 
-          <!-- 内容区域 -->
-          <div class="flex-1 min-w-0">
+          <view class="flex-1 min-w-0">
             <h3 class="text-[#1F2937] text-[30rpx] font-bold leading-[1.4] line-clamp-2 mb-[8rpx]">
               {{ item.title }}
             </h3>
@@ -54,21 +49,18 @@
               {{ item.desc }}
             </p>
 
-            <!-- 文件信息 -->
-            <div class="flex items-center gap-[12rpx] mb-[20rpx]">
-              <span
+            <view class="flex items-center gap-[12rpx] mb-[20rpx]">
+              <view
                 class="inline-flex items-center justify-center px-[12rpx] py-[4rpx] bg-gray-100 text-gray-500 text-[20rpx] font-medium rounded-[8rpx]">
                 {{ getDocumentLabel(item.fileName) }}
-              </span>
-              <span class="text-[#9CA3AF] text-[22rpx]">
+              </view>
+              <view class="text-[#9CA3AF] text-[22rpx]">
                 {{ item.size }}
-              </span>
-            </div>
+              </view>
+            </view>
 
-            <!-- 分割线 -->
             <view class="h-[1rpx] bg-gray-100 my-[20rpx]"></view>
 
-            <!-- 操作按钮 -->
             <ListItemActions
               :viewable="true"
               :collectable="true"
@@ -77,14 +69,14 @@
               @collect="toggleCollect(item)"
               @delete="onDelete(item)"
             />
-          </div>
-        </div>
-      </div>
-    </div>
+          </view>
+        </view>
+      </view>
+    </view>
 
     <!-- Tab Bar -->
     <!-- <TabBar /> -->
-  </div>
+  </view>
 </template>
 
 <script setup>
@@ -228,6 +220,66 @@ const allList = ref([
     collected: false,
     fileName: '考场注意事项及答题技巧.pdf',
     downloadUrl: 'https://cdn.ipadbiz.cn/manulife/document/1_%E7%BE%8E4%B9%90%E7%88%B1%E8%A7%89%E6%95%99%E8%82%B22024%E9%A1%B9%E7%9B%AE%E5%9B%E5%BD%B1%E4%BB%8B%E7%BB%8D_.pdf'
+  },
+  {
+    title: '2024产品手册-旗舰版.pptx',
+    desc: '核心卖点与条款速览',
+    size: '6.8MB',
+    iconName: 'order',
+    iconColor: '#EF4444',
+    collected: false,
+    fileName: '2024产品手册-旗舰版.pptx',
+    downloadUrl: 'https://cdn.ipadbiz.cn/manulife/document/1_%E7%BE%8E4%B9%90%E7%88%B1%E8%A7%89%E6%95%99%E8%82%B22024%E9%A1%B9%E7%9B%AE%E5%9B%E5%BD%B1%E4%BB%8B%E7%BB%8D_.pdf'
+  },
+  {
+    title: '新人成长训练营课程表.xlsx',
+    desc: '培训计划与日程安排',
+    size: '0.9MB',
+    iconName: 'order',
+    iconColor: '#EF4444',
+    collected: true,
+    fileName: '新人成长训练营课程表.xlsx',
+    downloadUrl: 'https://cdn.ipadbiz.cn/manulife/document/1_%E7%BE%8E4%B9%90%E7%88%B1%E8%A7%82%E6%95%99%E8%82%B22024%E9%A1%B9%E7%9B%AE%E5%9B%BE%E5%BD%B1%E4%BB%8B%E7%BB%8D_.pdf'
+  },
+  {
+    title: '高客访谈案例集.docx',
+    desc: '高净值客户沟通案例',
+    size: '3.4MB',
+    iconName: 'order',
+    iconColor: '#EF4444',
+    collected: false,
+    fileName: '高客访谈案例集.docx',
+    downloadUrl: 'https://cdn.ipadbiz.cn/manulife/document/1_%E7%BE%8E4%B9%90%E7%88%B1%E8%A7%82%E6%95%99%E8%82%B22024%E9%A1%B9%E7%9B%AE%E5%9B%BE%E5%BD%B1%E4%BB%8B%E7%BB%8D_.pdf'
+  },
+  {
+    title: '合规操作指引2024.pdf',
+    desc: '最新合规要点与流程',
+    size: '2.6MB',
+    iconName: 'order',
+    iconColor: '#EF4444',
+    collected: true,
+    fileName: '合规操作指引2024.pdf',
+    downloadUrl: 'https://cdn.ipadbiz.cn/manulife/document/1_%E7%BE%8E4%B9%90%E7%88%B1%E8%A7%82%E6%95%99%E8%82%B22024%E9%A1%B9%E7%9B%AE%E5%9B%BE%E5%BD%B1%E4%BB%8B%E7%BB%8D_.pdf'
+  },
+  {
+    title: '客户需求分析模板.xlsx',
+    desc: '快速梳理家庭需求',
+    size: '0.6MB',
+    iconName: 'order',
+    iconColor: '#EF4444',
+    collected: false,
+    fileName: '客户需求分析模板.xlsx',
+    downloadUrl: 'https://cdn.ipadbiz.cn/manulife/document/1_%E7%BE%8E4%B9%90%E7%88%B1%E8%A7%82%E6%95%99%E8%82%B22024%E9%A1%B9%E7%9B%AE%E5%9B%BE%E5%BD%B1%E4%BB%8B%E7%BB%8D_.pdf'
+  },
+  {
+    title: '线上展业话术脚本.txt',
+    desc: '直播场景话术与流程',
+    size: '0.2MB',
+    iconName: 'order',
+    iconColor: '#EF4444',
+    collected: false,
+    fileName: '线上展业话术脚本.txt',
+    downloadUrl: 'https://cdn.ipadbiz.cn/manulife/document/1_%E7%BE%8E4%B9%90%E7%88%B1%E8%A7%82%E6%95%99%E8%82%B22024%E9%A1%B9%E7%9B%AE%E5%9B%BE%E5%BD%B1%E4%BB%8B%E7%BB%8D_.pdf'
   }
 ])
 
@@ -238,16 +290,19 @@ const allList = ref([
  */
 const list = computed(() => {
   const activeCategory = categories.value[activeCategoryIndex.value]
+  let result = allList.value
 
-  // 如果是"全部资料"，返回所有
-  if (!activeCategory || !activeCategory.id) {
-    return allList.value
+  if (activeCategory && activeCategory.id) {
+    const index = activeCategoryIndex.value
+    result = result.filter((_, i) => (i + index) % (index + 2) === 0)
   }
 
-  // 否则根据 categoryId 筛选（这里使用 index 模拟分类筛选）
-  // TODO: 实际应该根据 item.categoryId === activeCategory.id 来筛选
-  const index = activeCategoryIndex.value
-  return allList.value.filter((_, i) => (i + index) % (index + 2) === 0)
+  if (searchValue.value) {
+    const keyword = searchValue.value.toLowerCase()
+    result = result.filter(item => item.title.toLowerCase().includes(keyword) || item.desc.toLowerCase().includes(keyword))
+  }
+
+  return result
 })
 
 /**
@@ -356,9 +411,9 @@ const onDelete = (item) => {
     content: '确定要删除该资料吗？',
     success: (res) => {
       if (res.confirm) {
-        const index = list.value.findIndex(i => i.title === item.title)
+        const index = allList.value.findIndex(i => i.title === item.title)
         if (index !== -1) {
-          list.value.splice(index, 1)
+          allList.value.splice(index, 1)
           Taro.showToast({ title: '已删除', icon: 'success' })
         }
       }