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/ble-connect/ble-connect.wxml

@@ -1,28 +1,30 @@
-<view class="container">
-  <view class="card text-center">
-    <view class="section-title">
-      {{state === 'scanning' ? '正在扫描设备...' : state === 'connecting' ? '正在连接设备...' : state === 'binding' ? '正在绑定设备...' : '连接失败'}}
+<view class="page">
+  <view class="page-header page-header-pink">
+    <view class="page-header-title">蓝牙连接</view>
+    <view class="page-header-subtitle">{{state === 'scanning' ? '正在搜索设备...' : state === 'connecting' ? '正在连接设备...' : state === 'binding' ? '正在绑定...' : '连接失败'}}</view>
+  </view>
+
+  <view class="page-content">
+    <view class="info-tip">
+      <text>📡</text>
+      <text>请确保手机蓝牙已开启</text>
     </view>
 
-    <view wx:if="{{state === 'scanning'}}" class="text-muted mb-30">
-      请确保设备已开机且在附近
-    </view>
-    <view wx:if="{{state === 'connecting'}}" class="text-muted mb-30">
-      设备ID: {{deviceId}}
-    </view>
-    <view wx:if="{{state === 'binding'}}" class="text-muted mb-30">
-      正在写入绑定信息...
-    </view>
-    <view wx:if="{{state === 'error'}}" class="mb-30">
-      <text class="text-error">{{error}}</text>
+    <view class="search-card" wx:if="{{state === 'scanning' || state === 'connecting'}}">
+      <view class="search-icon pulsing">⏳</view>
+      <view class="search-text">搜索中...</view>
     </view>
 
-    <view wx:if="{{state === 'scanning' || state === 'connecting' || state === 'binding'}}" class="loading-spinner">
-      <view class="spinner"></view>
+    <view class="found-card" wx:if="{{state === 'binding'}}">
+      <view class="found-icon">💆</view>
+      <view class="found-name">光子美容仪-{{deviceId}}</view>
+      <view class="status-badge status-badge-green">连接中</view>
     </view>
 
-    <view wx:if="{{state === 'error'}}">
-      <view class="btn-primary" bindtap="onRetry">重试</view>
+    <view class="found-card" wx:if="{{state === 'error'}}">
+      <view class="search-icon">⚠️</view>
+      <view class="found-name">{{error || '连接失败'}}</view>
+      <button class="retry-btn" bindtap="onRetry">重试</button>
     </view>
   </view>
 </view>