feat(record): 实现啤酒品牌分组标签和搜索功能

- 为啤酒类别添加分组tab（全部/国产/国际/麦啤/精酿）
- 实现啤酒品牌的两级筛选结构：分组tab + 组内品牌标签
- 添加啤酒品牌实时搜索功能，支持按名称和产品搜索
- 优化品牌标签显示逻辑，同品牌多产品时显示品牌·产品格式
- 添加搜索无结果提示信息
- 更新输入框占位符文字为"搜索或输入其他品牌"
- 修复啤酒类别下不应显示"更多"按钮的问题
- 添加啤酒分组标签的样式和交互效果

pages/record/record.vue

@@ -46,6 +46,24 @@
       <view v-if="currentDrink.category" class="drink-form card">
         <!-- 品牌选择 -->
         <text class="section-label">品牌</text>
+        <!-- 啤酒：分组tab（全部/国产/国际/麦啤/精酿）+ 组内品牌标签，输入框可实时搜索 -->
+        <scroll-view
+          v-if="currentDrink.category === 'beer' && !beerKeyword"
+          class="beer-brand-tabs"
+          scroll-x
+          enhanced
+          :show-scrollbar="false"
+        >
+          <view
+            v-for="tab in beerGroups"
+            :key="tab.id"
+            class="beer-tab"
+            :class="{ 'beer-tab-active': activeBeerGroup === tab.id }"
+            @click="selectBeerGroup(tab.id)"
+          >
+            <text>{{ tab.name }}</text>
+          </view>
+        </scroll-view>
         <view class="brand-tags">
           <view
             v-for="brand in visibleBrands"
@@ -55,10 +73,14 @@
             @click="selectBrand(brand)"
           >
             <!-- 同品牌多产品时展示产品名以便区分 -->
-            <text>{{ brandList.filter(b => b.name === brand.name).length > 1 ? brand.name + '·' + brand.product : brand.name }}</text>
+            <text>{{ getBrandTagLabel(brand) }}</text>
           </view>
-          <!-- 更多：默认只展示前几个品牌，点击展开全部 -->
-          <view v-if="brandList.length > maxVisibleBrands" class="tag tag-more" @click="showAllBrands = !showAllBrands">
+          <!-- 搜索无结果提示 -->
+          <view v-if="currentDrink.category === 'beer' && beerKeyword && visibleBrands.length === 0" class="brand-empty">
+            <text>没找到相关啤酒，可直接在下方输入品牌</text>
+          </view>
+          <!-- 更多：默认只展示前几个品牌，点击展开全部（啤酒为分组tab无需更多） -->
+          <view v-if="currentDrink.category !== 'beer' && brandList.length > maxVisibleBrands" class="tag tag-more" @click="showAllBrands = !showAllBrands">
             <text>{{ showAllBrands ? '收起 ▴' : '更多 ▾' }}</text>
           </view>
         </view>
@@ -66,7 +88,7 @@
           <input
             class="input-field"
             v-model="currentDrink.brand"
-            placeholder="或输入其他品牌"
+            :placeholder="currentDrink.category === 'beer' ? '搜索或输入其他品牌' : '或输入其他品牌'"
             placeholder-class="input-placeholder"
           />
         </view>
@@ -320,7 +342,7 @@
 
 <script>
 import {
-  DRINK_CATEGORIES, DRINK_UNITS, BRANDS, FOOD_CATEGORIES,
+  DRINK_CATEGORIES, DRINK_UNITS, BRANDS, BEER_BRAND_GROUPS, FOOD_CATEGORIES,
   FEELINGS, VISIBILITY_OPTIONS
 } from '../../common/constants'
 import { calcStandardCups, unitToMl, formatDate, getCatIcon, isIconPath } from '../../common/utils'
@@ -350,6 +372,11 @@ export default {
       brandList: [],
       showAllBrands: false,
       maxVisibleBrands: 8,
+      // 啤酒两级结构：分组tab列表 + 当前激活分组
+      beerGroups: BEER_BRAND_GROUPS,
+      activeBeerGroup: 'all',
+      // 点选标签填入的品牌名（不触发搜索过滤，区别于手动输入）
+      lastBeerSelection: '',
       amountStr: '',
       amountFocused: false,
       degreeStr: '',
@@ -375,8 +402,23 @@ export default {
     }
   },
   computed: {
+    // 啤酒搜索关键词：品牌输入框内容兼作实时搜索（点选标签填入的值不算搜索）
+    beerKeyword() {
+      const v = (this.currentDrink.brand || '').trim()
+      if (v && v === this.lastBeerSelection) return ''
+      return v
+    },
     // 品牌列表默认只展示前 maxVisibleBrands 个，点“更多”后展开全部
+    // 啤酒走两级结构：搜索优先，其次按分组tab过滤
     visibleBrands() {
+      if (this.currentDrink.category === 'beer') {
+        const kw = this.beerKeyword.toLowerCase()
+        if (kw) {
+          return this.brandList.filter(b => (b.name + b.product).toLowerCase().includes(kw))
+        }
+        if (this.activeBeerGroup === 'all') return this.brandList
+        return this.brandList.filter(b => b.group === this.activeBeerGroup)
+      }
       return this.showAllBrands ? this.brandList : this.brandList.slice(0, this.maxVisibleBrands)
     },
     currentCups() {
@@ -440,12 +482,26 @@ export default {
       this.degreeStr = String(cat.defaultDegree)
       this.brandList = BRANDS[cat.id] || []
       this.showAllBrands = false
+      // 啤酒默认展示全部分组
+      this.activeBeerGroup = 'all'
+      this.lastBeerSelection = ''
+    },
+    selectBeerGroup(id) {
+      this.activeBeerGroup = id
+    },
+    getBrandTagLabel(brand) {
+      // 同品牌多产品时展示 品牌·产品，否则只展品牌名
+      return this.brandList.filter(b => b.name === brand.name).length > 1 ? brand.name + '·' + brand.product : brand.name
     },
     selectBrand(brand) {
       this.currentDrink.brand = brand.name
       this.currentDrink.product = brand.product
       this.currentDrink.degree = brand.degree
       this.degreeStr = String(brand.degree)
+      // 啤酒：记录点选值，避免输入框填入后误触发搜索过滤
+      if (this.currentDrink.category === 'beer') {
+        this.lastBeerSelection = brand.name
+      }
     },
     onAmountChange() {
       // 响应式计算
@@ -540,6 +596,8 @@ export default {
       this.degreeStr = ''
       this.brandList = []
       this.showAllBrands = false
+      this.activeBeerGroup = 'all'
+      this.lastBeerSelection = ''
     },
     async publishRecord() {
       const recordData = {
@@ -743,6 +801,44 @@ export default {
   margin-bottom: $sp-md;
 }
 
+/* 啤酒品牌分组tab：横向滚动，点击切换组内品牌标签 */
+.beer-brand-tabs {
+  white-space: nowrap;
+  width: 100%;
+  margin-bottom: $sp-md;
+}
+
+.beer-tab {
+  display: inline-flex;
+  align-items: center;
+  padding: $sp-xs $sp-lg;
+  margin-right: $sp-sm;
+  border-radius: $radius-full;
+  font-size: $fs-sm;
+  font-weight: $fw-medium;
+  color: $text-secondary;
+  background: $bg-elevated;
+  border: 2rpx solid var(--border-faint, rgba(255, 255, 255, 0.08));
+  transition: all 0.2s ease;
+
+  &.beer-tab-active {
+    color: $amber;
+    background: $amber-glow;
+    border-color: $amber;
+  }
+
+  &:active {
+    transform: scale(0.95);
+  }
+}
+
+/* 啤酒搜索无结果提示 */
+.brand-empty {
+  font-size: $fs-sm;
+  color: $text-tertiary;
+  padding: $sp-xs 0;
+}
+
 /* 更多/收起按钮：虚线边框与普通品牌标签区分 */
 .tag-more {
   border: 2rpx dashed var(--border-faint, rgba(255, 255, 255, 0.2));