feat(index): 首页改版 hero + 进度点地图 + 计时环 dial + CTA 脉冲

- 全宽橙渐变 hero：头像+昵称+按小时问候+「时长」敢不敢来挑战+连胜(昵称同行)
- 进度点地图 quest-card 上浮叠 hero，圆点+连线 done/now/final 三态，与 CTA 等宽
- 计时环 dial 虚线刻度环+呼吸动画，整体放大(320rpx/数字96rpx)
- CTA「立即挑战+时长」带脉冲，保留自由/循环入口
- 千卡按 4 千卡/分钟估算(激励参考)；删除「今天还没开始」整段与连胜前图标
- 循环训练秒数步进 ±10；取消每日语录模块

pages/index/index.js

@@ -25,14 +25,17 @@ Page({
     // number grows past the fixed-size circular ring and gets clipped. We
     // cancel that scale here so the number renders at a constant visual size
     // (matching the devtools/simulator) on every device. See _readFontScale().
-    targetTimeFontSize: 84,
+    targetTimeFontSize: 96,
     streakCount: 0,
     planName: '',
     planDay: 1,
     planTotal: 7,
-    planProgress: 0,
-    useSegments: false,
-    planDays: [],
+    // hero / 进度地图 / dial 相关展示字段(由 refresh 生成)
+    greetText: '你好',
+    streakText: '今天开启坚持之旅',
+    questNodes: [],
+    questTip: '',
+    estKcal: 0,
     showPicker: false,
     pickerInputFocus: false,
     presets: [30, 60, 90, 120, 180, 300],
@@ -68,8 +71,8 @@ Page({
    * compensation under DevTools (host.env === 'devtools') and keep the design
    * size — matching what the simulator renders literally.
    *
-   * On real devices, dividing our design size by the factor cancels the
-   * auto-scale, keeping the number a constant 84rpx-equivalent everywhere.
+ * On real devices, dividing our design size by the factor cancels the
+ * auto-scale, keeping the number a constant 96rpx-equivalent everywhere.
    * Bounded so a bad reading can only ever make the number smaller (safe),
    * never larger (overflow).
    */
@@ -87,7 +90,7 @@ Page({
         }
       }
     } catch (e) {}
-    const DESIGN = 84
+    const DESIGN = 96
     let size = Math.round(DESIGN / factor)
     size = Math.max(48, Math.min(96, size))
     this.setData({ targetTimeFontSize: size })
@@ -152,12 +155,17 @@ Page({
     const target = planMod.getTodayTarget(settings.planId, clampedDay, customPlans)
 
     const theme = themeMod.getCurrentTheme()
-    // 防御:totalDays 为 0(极端数据损坏)时避免除以 0 得到 NaN
-    const planProgress = plan.totalDays > 0 ? Math.round((clampedDay / plan.totalDays) * 100) : 0
-    // 分段格子(每天一格)只在计划天数 <= 10 时用;更长则退化为里程碑连续条,避免格子过密
-    const useSegments = plan.totalDays > 0 && plan.totalDays <= 10
-    const planDays = useSegments ? Array.from({ length: plan.totalDays }, (_, i) => i) : []
     const profile = storage.getProfile()
+    const greetText = this._greetByHour()
+    const streakText = streak.count > 0
+      ? `已连续 ${streak.count} 天打卡`
+      : '今天开启坚持之旅'
+    const questNodes = this._buildQuestMap(plan.totalDays, clampedDay)
+    const questTip = clampedDay >= plan.totalDays
+      ? '🎉 本期计划已完成，去记录页看看战绩'
+      : `⚡ 再坚持 ${plan.totalDays - clampedDay} 天，完成本期计划`
+    // 千卡粗算:按约 4 千卡/分钟估算(1分30秒≈6千卡)。仅作激励性参考,非精确值。
+    const estKcal = Math.max(1, Math.round((target / 60) * 4))
     this.setData({
       theme,
       icons: iconsMod.build(theme),
@@ -169,14 +177,60 @@ Page({
       planName: plan.name,
       planDay: clampedDay,
       planTotal: plan.totalDays,
-      planProgress,
-      useSegments,
-      planDays,
+      greetText,
+      streakText,
+      questNodes,
+      questTip,
+      estKcal,
       nickName: profile.nickname || '',
       avatarUrl: profile.avatarUrl || ''
     })
   },
 
+  _greetByHour() {
+    const h = new Date().getHours()
+    if (h < 6) return '夜深了'
+    if (h < 12) return '早上好'
+    if (h < 14) return '中午好'
+    if (h < 18) return '下午好'
+    if (h < 22) return '晚上好'
+    return '夜深了'
+  },
+
+  /**
+   * 生成闯关进度地图节点。计划天数 <= 8 时画每天节点;> 8 时退化为
+   * 5 个里程碑节点(0/25/50/75/100%),避免节点过密。state: done|now|todo。
+   */
+  _buildQuestMap(total, day) {
+    const nodes = []
+    if (total > 0 && total <= 8) {
+      for (let i = 1; i <= total; i++) {
+        nodes.push({
+          label: i === total ? '🏆' : String(i),
+          state: i < day ? 'done' : (i === day ? 'now' : 'todo'),
+          final: i === total
+        })
+      }
+      return nodes
+    }
+    const marks = [0, 0.25, 0.5, 0.75, 1]
+    let nowAssigned = false
+    marks.forEach((m, idx) => {
+      const dayAt = Math.round(m * total)
+      const isFinal = idx === marks.length - 1
+      let state
+      if (dayAt <= day) state = 'done'
+      else if (!nowAssigned) { state = 'now'; nowAssigned = true }
+      else state = 'todo'
+      nodes.push({
+        label: isFinal ? '🏆' : (m === 0 ? '起' : String(dayAt)),
+        state,
+        final: isFinal
+      })
+    })
+    return nodes
+  },
+
   onStartTrain() {
     wx.navigateTo({ url: '/pages/timer/timer' })
   },