feat(buyer): 统一全站页面顶部为现代TopBar与SearchHeader，支持商品/店铺双模搜索与占位词规范

buyer/src/pages/promotion/PointGoodsDetail.vue

@@ -1,7 +1,7 @@
 <template>
   <div style="background:#fff;">
-    <BaseHeader></BaseHeader>
-    <Search style="border-bottom:2px solid red;"></Search>
+    <TopBar></TopBar>
+    <SearchHeader></SearchHeader>
     <div class="base-width cate-container">
       <el-breadcrumb>
         <el-breadcrumb-item to="/">首页</el-breadcrumb-item>
@@ -106,7 +106,8 @@ export default {
 import { ref, computed, onMounted, nextTick } from "vue";
 import { useRoute, useRouter } from "vue-router";
 import { Message } from "@/utils/message";
-import Search from "@/components/Search";
+import TopBar from '@/components/indexDecorate/components/TopBar.vue';
+import SearchHeader from '@/components/indexDecorate/components/SearchHeader.vue';
 import { addCartGoods } from "@/api/cart.js";
 import { pointGoodsDetail } from "@/api/promotion";
 import {

buyer/src/pages/promotion/PointMall.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="point-mall">
-    <BaseHeader></BaseHeader>
-    <Search></Search>
+    <TopBar></TopBar>
+    <SearchHeader></SearchHeader>
     <cateNav></cateNav>
     <h3 class="promotion-decorate">积分商品</h3>
     <el-select @select="selectCate" size="small" class="cate-select-con" v-model="cateId">
@@ -46,6 +46,8 @@
 </template>
 <script setup>
 import { onMounted, reactive, ref } from "vue";
+import TopBar from '@/components/indexDecorate/components/TopBar.vue';
+import SearchHeader from '@/components/indexDecorate/components/SearchHeader.vue';
 import { useRoute, useRouter } from "vue-router";
 import { pointGoods, pointGoodsCategory } from "@/api/promotion.js";