feat: 新增搜索页面并完善首页搜索功能

- 创建搜索页面（/pages/search/index）
- 实现搜索输入框和清空功能
- 添加3个Tab切换：全部、产品、资料
- 实现搜索结果列表展示
- 添加空状态和初始状态UI
- 添加热门搜索推荐功能
- 首页搜索栏添加点击跳转
- 在 app.config.js 中注册新页面

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

@@ -7,6 +7,7 @@
  */
 const pages = [
   'pages/index/index',
+  'pages/search/index',
   'pages/auth/index',
   'pages/onboarding/index',
   'pages/family-office/index',

@@ -11,7 +11,9 @@
 
       <!-- Search Bar -->
       <view
-        class="flex items-center w-full h-[88rpx] bg-white/20 backdrop-blur-md rounded-full px-[32rpx] border border-white/30">
+        class="flex items-center w-full h-[88rpx] bg-white/20 backdrop-blur-md rounded-full px-[32rpx] border border-white/30"
+        @tap="go('/pages/search/index')"
+      >
         <IconFont name="Search" class="text-white/80 mr-[16rpx]" size="18" />
         <text class="text-white/80 text-[28rpx]">搜索培训资料、案例...</text>
       </view>

+export default {
+  navigationBarTitleText: '搜索',
+  enablePullDownRefresh: true,
+  backgroundColor: '#F9FAFB'
+}

+<template>
+  <view class="min-h-screen bg-[#F9FAFB] pb-[calc(160rpx+env(safe-area-inset-bottom))]">
+    <!-- Navigation Header -->
+    <NavHeader title="搜索" />
+
+    <!-- Content Area -->
+    <view class="px-[40rpx] mt-[40rpx]">
+      <!-- Search Input -->
+      <view class="flex items-center w-full h-[88rpx] bg-white rounded-full px-[32rpx] border border-gray-200 mb-[40rpx]">
+        <IconFont name="Search" class="text-gray-400 mr-[16rpx]" size="18" />
+        <input
+          v-model="searchKeyword"
+          type="text"
+          placeholder="搜索培训资料、案例、产品..."
+          class="flex-1 text-[28rpx] text-gray-800 placeholder-gray-400"
+          @confirm="handleSearch"
+        />
+        <view v-if="searchKeyword" class="ml-[16rpx]" @tap="clearSearch">
+          <IconFont name="Close" class="text-gray-400" size="16" />
+        </view>
+      </view>
+
+      <!-- Filter Tabs -->
+      <view class="flex overflow-x-auto no-scrollbar mb-[40rpx] space-x-[24rpx]">
+        <view v-for="(tab, index) in tabs" :key="index"
+          class="px-[32rpx] py-[16rpx] rounded-full text-[28rpx] whitespace-nowrap transition-colors"
+          :class="activeTab === index ? 'bg-[#2563EB] text-white' : 'bg-[#F3F4F6] text-[#6B7280]'"
+          @tap="activeTab = index">
+          {{ tab }}
+        </view>
+      </view>
+
+      <!-- Search Results -->
+      <view v-if="searchResults.length > 0">
+        <!-- Result Count -->
+        <view class="text-[#6B7280] text-[24rpx] mb-[24rpx]">
+          找到 {{ searchResults.length }} 个相关结果
+        </view>
+
+        <!-- Results List -->
+        <view class="flex flex-col gap-[24rpx]">
+          <!-- Product Card -->
+          <view
+            v-for="(item, index) in searchResults"
+            :key="index"
+            class="bg-white rounded-[24rpx] overflow-hidden shadow-sm"
+            @tap="goToDetail(item)"
+          >
+            <!-- Image + Content Layout -->
+            <view class="flex gap-[24rpx] p-[24rpx]">
+              <!-- Image -->
+              <image
+                class="w-[200rpx] h-[140rpx] rounded-[16rpx] bg-gray-100 flex-shrink-0"
+                :src="item.image"
+                mode="aspectFill"
+              />
+
+              <!-- Content -->
+              <view class="flex-1 flex flex-col justify-between py-[4rpx]">
+                <!-- Title -->
+                <view class="text-[#1F2937] text-[28rpx] font-medium leading-[1.4] line-clamp-2">
+                  {{ item.title }}
+                </view>
+
+                <!-- Meta Info -->
+                <view class="flex justify-between items-center">
+                  <view class="flex gap-[12rpx]">
+                    <!-- Type Tag -->
+                    <view
+                      class="px-[12rpx] py-[4rpx] rounded-[8rpx] text-[22rpx]"
+                      :class="item.type === '产品' ? 'bg-blue-50 text-blue-600' : 'bg-green-50 text-green-600'"
+                    >
+                      {{ item.type }}
+                    </view>
+                    <!-- Hot Tag -->
+                    <view v-if="item.tag" class="bg-red-50 text-red-600 text-[22rpx] px-[12rpx] py-[4rpx] rounded-[8rpx]">
+                      {{ item.tag }}
+                    </view>
+                  </view>
+                  <view class="text-[#6B7280] text-[24rpx]">
+                    {{ item.views || 0 }}人查看
+                  </view>
+                </view>
+              </view>
+            </view>
+          </view>
+        </view>
+      </view>
+
+      <!-- Empty State -->
+      <view v-else-if="hasSearched" class="flex flex-col items-center justify-center py-[120rpx]">
+        <image
+          class="w-[320rpx] h-[320rpx] mb-[40rpx]"
+          src="https://picsum.photos/seed/empty/320/320"
+          mode="aspectFit"
+        />
+        <view class="text-[#6B7280] text-[28rpx]">暂无搜索结果</view>
+        <view class="text-[#9CA3AF] text-[24rpx] mt-[12rpx]">试试其他关键词吧</view>
+      </view>
+
+      <!-- Initial State -->
+      <view v-else class="flex flex-col items-center justify-center py-[120rpx]">
+        <IconFont name="Search" class="text-gray-300 mb-[24rpx]" size="64" />
+        <view class="text-[#6B7280] text-[28rpx]">搜索培训资料、案例、产品</view>
+        <view class="text-[#9CA3AF] text-[24rpx] mt-[12rpx]">输入关键词开始搜索</view>
+      </view>
+
+      <!-- Hot Searches -->
+      <view v-if="!hasSearched" class="mt-[60rpx]">
+        <view class="text-[#1F2937] text-[28rpx] font-bold mb-[24rpx]">热门搜索</view>
+        <view class="flex flex-wrap gap-[16rpx]">
+          <view
+            v-for="(keyword, index) in hotSearches"
+            :key="index"
+            class="px-[24rpx] py-[12rpx] bg-white rounded-full text-[26rpx] text-[#4B5563]"
+            @tap="searchKeyword = keyword; handleSearch()"
+          >
+            {{ keyword }}
+          </view>
+        </view>
+      </view>
+    </view>
+
+    <!-- Tab Bar -->
+    <TabBar current="home" />
+  </view>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+import Taro from '@tarojs/taro'
+import { useGo } from '@/hooks/useGo'
+import NavHeader from '@/components/NavHeader.vue'
+import TabBar from '@/components/TabBar.vue'
+import IconFont from '@/components/IconFont.vue'
+
+// Navigation
+const go = useGo()
+
+// State
+const searchKeyword = ref('')
+const activeTab = ref(0)
+const hasSearched = ref(false)
+
+// Tabs
+const tabs = ['全部', '产品', '资料']
+
+// Hot searches
+const hotSearches = ref([
+  '家庭财富传承',
+  '儿童教育金',
+  '医疗保险',
+  '高净值客户',
+  '保险合同',
+])
+
+// Mock data
+const mockData = ref([
+  {
+    id: 1,
+    title: '家庭财富传承保障计划（分红）',
+    type: '产品',
+    tag: '热卖',
+    views: 256,
+    image: 'https://picsum.photos/seed/prod1/200/140',
+    category: 'product'
+  },
+  {
+    id: 2,
+    title: '2024年保险市场趋势分析报告',
+    type: '资料',
+    views: 189,
+    image: 'https://picsum.photos/seed/mat1/200/140',
+    category: 'material'
+  },
+  {
+    id: 3,
+    title: '儿童教育金储备方案（分红）',
+    type: '产品',
+    tag: '推荐',
+    views: 342,
+    image: 'https://picsum.photos/seed/prod2/200/140',
+    category: 'product'
+  },
+  {
+    id: 4,
+    title: '高净值客户需求分析与产品匹配',
+    type: '资料',
+    views: 142,
+    image: 'https://picsum.photos/seed/mat2/200/140',
+    category: 'material'
+  },
+  {
+    id: 5,
+    title: '百万医疗保险计划',
+    type: '产品',
+    views: 267,
+    image: 'https://picsum.photos/seed/prod3/200/140',
+    category: 'product'
+  },
+  {
+    id: 6,
+    title: '保险合同条款解读与风险提示',
+    type: '资料',
+    views: 198,
+    image: 'https://picsum.photos/seed/mat3/200/140',
+    category: 'material'
+  },
+  {
+    id: 7,
+    title: '意外伤害保障计划',
+    type: '产品',
+    tag: '热卖',
+    views: 223,
+    image: 'https://picsum.photos/seed/prod4/200/140',
+    category: 'product'
+  },
+  {
+    id: 8,
+    title: '保险销售实战技巧分享',
+    type: '资料',
+    views: 156,
+    image: 'https://picsum.photos/seed/mat4/200/140',
+    category: 'material'
+  },
+])
+
+// Search results
+const searchResults = computed(() => {
+  if (!hasSearched.value) return []
+
+  let results = mockData.value
+
+  // Filter by tab
+  if (activeTab.value === 1) {
+    results = results.filter(item => item.category === 'product')
+  } else if (activeTab.value === 2) {
+    results = results.filter(item => item.category === 'material')
+  }
+
+  // Filter by keyword
+  if (searchKeyword.value.trim()) {
+    const keyword = searchKeyword.value.toLowerCase()
+    results = results.filter(item =>
+      item.title.toLowerCase().includes(keyword)
+    )
+  }
+
+  return results
+})
+
+// Handle search
+const handleSearch = () => {
+  if (searchKeyword.value.trim()) {
+    hasSearched.value = true
+  }
+}
+
+// Clear search
+const clearSearch = () => {
+  searchKeyword.value = ''
+  hasSearched.value = false
+}
+
+// Go to detail
+const goToDetail = (item) => {
+  if (item.category === 'product') {
+    go('/pages/knowledge-base/index')
+  } else {
+    go('/pages/knowledge-base/index')
+  }
+
+  Taro.showToast({
+    title: `查看${item.type}详情`,
+    icon: 'none',
+    duration: 1500
+  })
+}
+</script>
+
+<style>
+.no-scrollbar::-webkit-scrollbar {
+  display: none;
+}
+
+.no-scrollbar {
+  -ms-overflow-style: none;
+  scrollbar-width: none;
+}
+</style>