更新小程序开发文档，新增2026-03-03的最佳实践记录，优化个人中心类页面的卡片区边距规范，确保一致性与可用性。调整相关页面以反映最新设计稿，提升用户体验与功能一致性。

miniprogram/pages/chapters/chapters.js

@@ -212,29 +212,31 @@ Page({
       navBarHeight: app.globalData.navBarHeight
     })
     this.updateUserStatus()
-    this.loadBookDataFromServer()
-    this.loadDailyChapters()
-    this.loadTotalFromServer()
+    this.loadChaptersOnce()
   },
 
-  async loadTotalFromServer() {
-    try {
-      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
-      if (res && (res.total || (res.data && res.data.length))) {
-        this.setData({ totalSections: res.total || (res.data || []).length })
-      }
-    } catch (e) {}
+  // 固定模块（序言、尾声、附录）不参与中间篇章
+  _isFixedPart(pt) {
+    if (!pt) return false
+    const p = String(pt).toLowerCase().replace(/[_\s｜|]/g, '')
+    return p.includes('序言') || p.includes('尾声') || p.includes('附录')
   },
 
-  // stitch_soul P0-8：从服务端加载目录，按 part 聚合，带 isNew、免费/¥1
-  async loadBookDataFromServer() {
+  // 一次请求拉取全量目录，同时更新 totalSections / bookData / dailyChapters
+  async loadChaptersOnce() {
     try {
       const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
       const rows = (res && res.data) || (res && res.chapters) || []
       if (rows.length === 0) return
+
+      // 1. totalSections
+      const totalSections = res.total ?? rows.length
+
+      // 2. bookData（过滤序言/尾声/附录，中间篇章按 part 聚合）
+      const filtered = rows.filter(r => !this._isFixedPart(r.partTitle || r.part_title))
       const partMap = new Map()
       const numbers = ['一', '二', '三', '四', '五', '六', '七', '八', '九', '十', '十一', '十二']
-      rows.forEach((r, idx) => {
+      filtered.forEach((r) => {
         const pid = r.partId || r.part_id || 'part-1'
         const cid = r.chapterId || r.chapter_id || 'chapter-1'
         if (!partMap.has(pid)) {
@@ -270,9 +272,28 @@ Page({
         chapters: Array.from(p.chapters.values())
       }))
       const firstPart = bookData[0] && bookData[0].id
+
+      // 3. dailyChapters（sort_order > 62 的新增章节，按更新时间取前20）
+      const baseSort = 62
+      const daily = rows
+        .filter(r => (r.sectionOrder ?? r.sort_order ?? 0) > baseSort)
+        .sort((a, b) => new Date(b.updatedAt || b.updated_at || 0) - new Date(a.updatedAt || a.updated_at || 0))
+        .slice(0, 20)
+        .map(c => {
+          const d = new Date(c.updatedAt || c.updated_at || Date.now())
+          return {
+            id: c.id,
+            mid: c.mid ?? c.MID ?? 0,
+            title: c.section_title || c.title || c.sectionTitle,
+            price: c.price ?? 1,
+            dateStr: `${d.getMonth() + 1}/${d.getDate()}`
+          }
+        })
+
       this.setData({
         bookData,
-        totalSections: rows.length,
+        totalSections,
+        dailyChapters: daily,
         expandedPart: firstPart || this.data.expandedPart
       })
     } catch (e) { console.log('[Chapters] 加载目录失败:', e) }
@@ -324,30 +345,6 @@ Page({
     wx.switchTab({ url: '/pages/index/index' })
   },
 
-  async loadDailyChapters() {
-    try {
-      const res = await app.request({ url: '/api/miniprogram/book/all-chapters', silent: true })
-      const chapters = (res && res.data) || (res && res.chapters) || []
-      const daily = chapters
-        .filter(c => (c.sectionOrder || c.sort_order || 0) > 62)
-        .sort((a, b) => new Date(b.updatedAt || b.updated_at || 0) - new Date(a.updatedAt || a.updated_at || 0))
-        .slice(0, 20)
-        .map(c => {
-          const d = new Date(c.updatedAt || c.updated_at || Date.now())
-          return {
-            id: c.id,
-            mid: c.mid ?? c.MID ?? 0,
-            title: c.section_title || c.title || c.sectionTitle,
-            price: c.price || 1,
-            dateStr: `${d.getMonth()+1}/${d.getDate()}`
-          }
-        })
-      if (daily.length > 0) {
-        this.setData({ dailyChapters: daily, totalSections: 62 + daily.length })
-      }
-    } catch (e) { console.log('[Chapters] 加载最新新增失败:', e) }
-  },
-
   // 跳转到搜索页
   goToSearch() {
     wx.navigateTo({ url: '/pages/search/search' })