v26110267 预览：首页头图倒计时翻牌；百宝箱入口人数改几十万带小数；30 个测试开始页按参考图精简居中；产假计算器模式（calc=1）计算器置顶

Co-Authored-By: AI 助手

js/app.js

@@ -3,7 +3,7 @@
 (function () {
   'use strict';
   /* 页面版本号（YYMMDD+序号）：显示在「关于兜爸心选」页底部；bump 时同步 head 注释与 ?v= */
-  var VER = '26110266';
+  var VER = '26110267';
   const $ = (s, c) => (c || document).querySelector(s);
   const $$ = (s, c) => Array.from((c || document).querySelectorAll(s));
 
@@ -1832,6 +1832,9 @@
     $('#heroSize').textContent = o.size || '';
     $('#heroWeekU').textContent = o.unit == null ? '周' : o.unit;
     $('.hero-pane').classList.toggle('is-born', !!o.born);
+    /* 11-03 用户：「首页头图小孩左边做成倒计时的感觉」→ 孕期且有天数时换成翻页数字牌 + 时分秒走字（js/hero-cd.js），其余状态照旧 */
+    window.__mbHeroLeft = o.left > 0 ? o.left : 0;
+    if (window.__mbHeroCd) window.__mbHeroCd(window.__mbHeroLeft);
     bar.style.width = '0%';
     requestAnimationFrame(() => requestAnimationFrame(() => { bar.style.width = Math.max(0, Math.min(100, o.pct || 0)) + '%'; }));
   }
@@ -2095,6 +2098,7 @@
       const sz = babySize(week);
       setHero({
         due: left > 0 ? '距离见面还有 <b>' + left + '</b> 天' : '宝宝随时会来见你',
+        left: left,
         emoji: sz.emoji, hi: window.handIcons && (handIcons.week(week) || {}).id, size: '像' + sz.name.replace(/^一[个颗根只串把粒条棵颗]/, ''), pct: pct
       });
     }