feat: 英文字母描红开发

miniprogram/pages/age/age.ts

@@ -1,5 +1,4 @@
 import { AGE_BANDS, AgeBandKey } from '../../core/data/difficulty';
-import { NAV_INNER_PX } from '../../utils/navMetrics';
 
 type AbilityItem = {
     icon: string;
@@ -186,8 +185,6 @@ const DEFAULT_AGE: AgeBandKey = '5-6';
 
 Page({
     data: {
-        statusBarHeight: 0,
-        navBlockHeight: 0,
         ageTabs: AGE_BANDS.map((b) => ({
             key: b.key,
             rangeText: b.label.replace(/\s*岁\s*$/, ''),
@@ -201,11 +198,6 @@ Page({
     },
 
     onLoad() {
-        const win = wx.getWindowInfo();
-        this.setData({
-            statusBarHeight: win.statusBarHeight,
-            navBlockHeight: win.statusBarHeight + NAV_INNER_PX,
-        });
         this.applyAge(DEFAULT_AGE);
     },