孕期小知识详情页加「本周每日小知识」（今天在上，倒排到第 1 天，后几天锁着）；首页今日小知识大卡也可点进详情页，圆点仍为切换 (v26100132)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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 = '26100131';
+  var VER = '26100132';
   const $ = (s, c) => (c || document).querySelector(s);
   const $$ = (s, c) => Array.from((c || document).querySelectorAll(s));
 
@@ -3809,6 +3809,27 @@
       });
       box.appendChild(b);
     }
+    /* 详情页「本周每日小知识」：今天在上，往前倒着排到第 1 天；后面几天只露一行「明天见」 */
+    const list = $('#ptList');
+    list.textContent = '';
+    for (let i = today; i >= 0; i--) {
+      const d = wk.days[i] || {};
+      const it = document.createElement('div');
+      it.className = 'pt-li' + (i === today ? ' is-today' : '');
+      const tag = document.createElement('span');
+      tag.className = 'pt-li-tag';
+      tag.textContent = i === today ? '今天 · 第 ' + (i + 1) + ' 天' : '第 ' + (i + 1) + ' 天';
+      const t = document.createElement('div'); t.className = 'pt-li-t'; t.textContent = d.t || '';
+      const p = document.createElement('div'); p.className = 'pt-li-d'; p.textContent = d.d || '';
+      it.appendChild(tag); it.appendChild(t); it.appendChild(p);
+      list.appendChild(it);
+    }
+    if (today < 6) {
+      const lk = document.createElement('div');
+      lk.className = 'pt-li is-lock';
+      lk.textContent = '第 ' + (today + 2) + (today < 5 ? '–7' : '') + ' 天 · 明天见，每天解锁一条';
+      list.appendChild(lk);
+    }
     tipSel = -1;
     showTip(wk, today, today);
     sec.classList.remove('hide');
@@ -3843,6 +3864,9 @@
   (function () {
     const ch = $('#ptChips');
     if (ch) ch.addEventListener('click', e => { const b = e.target.closest('.pt-chip'); if (b) openTips(b.dataset.pt); });
+    /* 首页今日小知识大卡也能点进详情页；底下 7 个圆点仍是切换回看，不跳页 */
+    const td = $('#ptToday');
+    if (td) td.addEventListener('click', e => { if (!e.target.closest('#ptDays')) openTips(); });
   })();
   function revealTipsGrid() {
     const g = $('#ptGrid');