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/subscribe-plans/subscribe-plans.wxss

@@ -1,27 +1,94 @@
-.plan-card {
-  text-align: center;
-  border: 2rpx solid #eeeeee;
-  transition: border-color 0.2s;
+.service-card {
+  display: flex;
+  align-items: center;
+  gap: 20rpx;
+  padding: 24rpx;
+  background: #fff9e6;
+  border: 2rpx solid #DCB982;
+  border-radius: 20rpx;
+  margin-bottom: 24rpx;
 }
 
-.plan-active {
-  border-color: #333333;
-  background-color: #fafafa;
+.service-icon {
+  width: 76rpx;
+  height: 76rpx;
+  background: #DCB982;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #ffffff;
+  font-size: 36rpx;
+  flex-shrink: 0;
 }
 
-.plan-name {
-  font-size: 32rpx;
+.service-name {
+  font-size: 28rpx;
   font-weight: 600;
-  margin-bottom: 12rpx;
+  color: #333333;
+}
+
+.service-desc {
+  font-size: 22rpx;
+  color: #666666;
+}
+
+.plans {
+  display: flex;
+  gap: 20rpx;
+  margin-bottom: 24rpx;
+}
+
+.plan {
+  flex: 1;
+  padding: 24rpx 16rpx;
+  border: 4rpx solid #e5e5e5;
+  border-radius: 20rpx;
+  text-align: center;
+  position: relative;
+}
+
+.plan.selected {
+  border-color: #E6508C;
+  background: #fdf2f8;
+}
+
+.plan-tag {
+  position: absolute;
+  right: -8rpx;
+  top: -8rpx;
+  background: #E6508C;
+  color: #ffffff;
+  font-size: 18rpx;
+  padding: 4rpx 12rpx;
+  border-radius: 12rpx;
 }
 
 .plan-price {
-  font-size: 48rpx;
-  font-weight: 700;
+  font-size: 36rpx;
+  font-weight: 600;
   color: #333333;
-  margin-bottom: 8rpx;
 }
 
-.plan-desc {
-  font-size: 24rpx;
+.plan-name {
+  font-size: 22rpx;
+  color: #999999;
+  margin-top: 4rpx;
+}
+
+.plan-save {
+  font-size: 20rpx;
+  color: #52c41a;
+  margin-top: 4rpx;
+}
+
+.agreement {
+  text-align: center;
+  font-size: 22rpx;
+  color: #999999;
+  margin-top: 20rpx;
+}
+
+.btn-primary-gold::after {
+  border: none;
 }