feat: 提示弹窗按原型图V3重设计

- 圆形图标背景(85dp)：成功绿/错误红/警告橙 15%透明
- 标题 28sp（原22sp）
- 描述 20sp（原15sp）
- 倒计时 18sp
- 整体居中，大字醒目

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/src/main/java/com/xiaoqu/watch/ui/widget/QuTipDialog.kt

@@ -66,23 +66,28 @@ class QuTipDialog(
         // 加载 iconfont 字体
         val typeface = Typeface.createFromAsset(container.context.assets, "font/iconfont.ttf")
 
-        // 设置状态图标和颜色
+        // 设置圆形背景和图标
+        val iconBg = view.findViewById<View>(R.id.tipIconBg)
         val iconView = view.findViewById<TextView>(R.id.tipIcon)
         iconView.typeface = typeface
         when (status) {
             Status.SUCCESS -> {
+                iconBg.setBackgroundResource(R.drawable.bg_feedback_success)
                 iconView.text = IconFont.SUCCESS
                 iconView.setTextColor(container.context.getColor(R.color.success))
             }
             Status.WARNING -> {
+                iconBg.setBackgroundResource(R.drawable.bg_feedback_warning)
                 iconView.text = IconFont.WARNING
                 iconView.setTextColor(container.context.getColor(R.color.warning))
             }
             Status.ERROR -> {
+                iconBg.setBackgroundResource(R.drawable.bg_feedback_error)
                 iconView.text = IconFont.ERROR
                 iconView.setTextColor(container.context.getColor(R.color.error))
             }
             Status.LOCATION -> {
+                iconBg.setBackgroundResource(R.drawable.bg_feedback_success)
                 iconView.text = IconFont.LOCATION
                 iconView.setTextColor(container.context.getColor(R.color.success))
             }