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/treating/treating.wxml

@@ -1,33 +1,31 @@
-<view class="container treating-page">
-  <view class="card text-center">
-    <view class="progress-circle">
-      <text class="progress-text">{{remainingText}}</text>
-    </view>
-    <view class="progress-bar-wrap mt-20">
-      <progress percent="{{progress}}" stroke-width="8" activeColor="#333333" />
-    </view>
+<view class="page">
+  <view class="page-header page-header-blue">
+    <view class="page-header-title">护理中</view>
+    <view class="page-header-subtitle">正在护理...</view>
   </view>
 
-  <view class="card">
-    <view class="flex-between mb-20">
-      <text>波长</text>
-      <text class="text-muted">{{wavelength === 1 ? '红外 850nm' : wavelength === 2 ? '红光 630nm' : wavelength === 3 ? '紫光 405nm' : '黄光 590nm'}}</text>
+  <view class="page-content">
+    <view class="countdown-area">
+      <text class="countdown-time">{{remainingText}}</text>
+      <view class="countdown-label">剩余时间</view>
     </view>
-    <view class="flex-between mb-20">
-      <text>模式</text>
-      <text class="text-muted">{{mode === 1 ? '智能模式' : '普通模式'}}</text>
-    </view>
-    <view class="flex-between mb-20">
-      <text>电量</text>
-      <text class="text-muted">{{battery}}%</text>
-    </view>
-    <view class="flex-between">
-      <text>温度</text>
-      <text class="text-muted">{{temperature}}°C</text>
-    </view>
-  </view>
 
-  <view class="stop-btn-area">
-    <view class="btn-stop" bindtap="onStop">结束护理</view>
+    <view class="progress-bar">
+      <view class="progress-fill" style="width: {{progress}}%;"></view>
+    </view>
+
+    <view class="mode-tag-area">
+      <text class="mode-tag">{{mode === 1 ? '✨ 智能模式' : '🔄 普通模式'}} · 全脸护理</text>
+    </view>
+
+    <view class="relax-card">
+      <text class="relax-icon">💆</text>
+      <view class="relax-text">
+        <text>请放松心情</text>
+        <text>享受护理时光</text>
+      </view>
+    </view>
+
+    <button class="btn-primary btn-primary-red" bindtap="onStop">停止护理</button>
   </view>
 </view>