feat(ui): redesign all miniprogram pages

- 全局样式改为粉色(#E6508C)/金色(#DCB982)/绿色(#52c41a)配色
- 所有非tab页使用自定义导航栏，带彩色头部+标题+副标题
- login页: 粉色头部+🌸图标+微信授权登录
- scan页: 粉色头部+虚线扫码框+手动输入按钮
- ble-connect页: 蓝牙提示+搜索中/已发现设备卡片
- bind-success页: 绿色头部+成功图标+7天试用提示卡
- wear-check页: 设备信息行+佩戴指引卡片
- index首页: 粉色设备卡片+开始护理/设备管理按钮
- treatment-setup页: 模式选择+面部地图选区域
- auto-scan页: 面部轮廓+扫描线动画+检测标签
- treating页: 蓝色头部+大倒计时+渐变进度条+放松提示
- treatment-done页: 绿色头部+统计卡片+已记录提示
- subscribe-prompt页: 普通/智能模式对比+试用提示+金色订阅按钮
- subscribe-plans页: 金色头部+服务卡片+月卡/年卡选择
- subscribe-success页: 绿色头部+订阅详情卡+金色按钮
- profile页: 渐变头部+用户行+订阅卡+菜单列表
- history页: 粉色统计行+模式标签记录列表

miniprogram/pages/treatment-setup/treatment-setup.wxml

@@ -1,62 +1,40 @@
-<view class="container">
-  <view class="card">
-    <view class="section-title">护理区域</view>
-    <view class="region-grid">
-      <view wx:for="{{regions}}" wx:key="mask" class="region-item {{item.checked ? 'region-active' : ''}}"
-            bindtap="onToggleRegion" data-idx="{{index}}">
-        <text>{{item.name}}</text>
+<view class="page">
+  <view class="page-header page-header-pink">
+    <view class="page-header-title">护理设置</view>
+    <view class="page-header-subtitle">选择模式和区域</view>
+  </view>
+
+  <view class="page-content">
+    <view class="page-title">选择护理模式</view>
+
+    <view class="mode-selector">
+      <view class="mode-option {{selectedMode === 0 ? 'active' : ''}}" bindtap="onSelectMode" data-value="0">
+        <text class="mode-icon">🔄</text>
+        <view class="mode-label">普通模式</view>
+        <view class="mode-sub">6色循环</view>
+      </view>
+      <view class="mode-option {{selectedMode === 1 ? 'active' : ''}} {{subExpired ? 'locked' : ''}}" bindtap="onSelectMode" data-value="1">
+        <text class="mode-icon">✨</text>
+        <view class="mode-label">智能模式</view>
+        <view class="mode-sub" wx:if="{{!subExpired}}">剩余{{subDays}}天</view>
+        <view class="mode-sub" wx:else>订阅解锁</view>
       </view>
     </view>
-    <view class="btn-select-all mt-10" bindtap="onSelectAll">全选</view>
-  </view>
 
-  <view class="card">
-    <view class="section-title">波长选择</view>
-    <view class="wavelength-list">
-      <view wx:for="{{wavelengthOptions}}" wx:key="value"
-            class="wavelength-item {{selectedWavelength === item.value ? 'wavelength-active' : ''}}"
-            bindtap="onSelectWavelength" data-value="{{item.value}}">
-        <text class="wavelength-name">{{item.name}}</text>
-        <text class="wavelength-desc">{{item.desc}}</text>
-      </view>
+    <view class="page-title" style="font-size:28rpx;">选择护理区域</view>
+
+    <view class="face-map">
+      <view class="face-region forehead {{regions[2].checked ? 'active' : ''}}" bindtap="onToggleRegion" data-idx="2">额头</view>
+      <view class="face-region left-cheek {{regions[0].checked ? 'active' : ''}}" bindtap="onToggleRegion" data-idx="0">左脸</view>
+      <view class="face-region right-cheek {{regions[1].checked ? 'active' : ''}}" bindtap="onToggleRegion" data-idx="1">右脸</view>
+      <view class="face-region nose {{regions[4].checked ? 'active' : ''}}" bindtap="onToggleRegion" data-idx="4">鼻唇</view>
+      <view class="face-region chin {{regions[3].checked ? 'active' : ''}}" bindtap="onToggleRegion" data-idx="3">下巴</view>
     </view>
-  </view>
 
-  <view class="card">
-    <view class="section-title">亮度: {{brightness}}</view>
-    <slider min="0" max="255" value="{{brightness}}" bindchange="onBrightnessChange"
-            activeColor="#333333" block-size="20" />
-  </view>
+    <button class="btn-primary" bindtap="onStart" disabled="{{submitting}}" loading="{{submitting}}">
+      开始护理
+    </button>
 
-  <view class="card">
-    <view class="section-title">护理时长</view>
-    <view class="duration-list">
-      <view wx:for="{{durationOptions}}" wx:key="value"
-            class="duration-item {{selectedDuration === item.value ? 'duration-active' : ''}}"
-            bindtap="onSelectDuration" data-value="{{item.value}}">
-        {{item.label}}
-      </view>
-    </view>
-  </view>
-
-  <view class="card">
-    <view class="section-title">护理模式</view>
-    <view class="mode-list">
-      <view wx:for="{{modeOptions}}" wx:key="value"
-            class="mode-item {{selectedMode === item.value ? 'mode-active' : ''}}"
-            bindtap="onSelectMode" data-value="{{item.value}}">
-        {{item.name}}
-      </view>
-    </view>
-  </view>
-
-  <view wx:if="{{error}}" class="card">
-    <text class="text-error">{{error}}</text>
-  </view>
-
-  <view class="btn-area-fixed">
-    <view class="btn-primary" bindtap="onStart" disabled="{{submitting}}">
-      {{submitting ? '启动中...' : '开始护理'}}
-    </view>
+    <view class="error-text" wx:if="{{error}}">{{error}}</view>
   </view>
 </view>