From c858801268e7e2779973117c19d2891d5e2e782e Mon Sep 17 00:00:00 2001
From: deploy <deploy@local>
Date: Sat, 7 Nov 2026 10:35:12 +0000
Subject: [PATCH] =?UTF-8?q?=E9=A6=96=E9=A1=B5=E5=AE=9D=E5=AE=9D=E8=B8=A2?=
 =?UTF-8?q?=EF=BC=9A=E5=85=88=E5=8F=AA=E9=BC=93=E5=8C=85=EF=BC=8C0.7=20?=
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Content-Type: text/plain; charset=UTF-8
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 index.html |  4 ++--
 js/app.js  |  2 +-
 js/bump.js | 13 +++++++------
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/index.html b/index.html
index 7f74eeb..3d14f52 100644
--- a/index.html
+++ b/index.html
@@ -9,7 +9,7 @@
 <title>兜爸心选 · 孕育陪伴</title>
 <!-- 11-04 UGC 总开关（孕妈广场 + 测一测，后台 /box_bm/plaza 顶部切换），见 js/ugc.js -->
 <script src="js/ugc.js?v=26110702"></script>
-<!-- V:26110648 缓存版本标记：改 css/js 时同步 bump 该值（与 js/app.js 的 VER 同源），静态资源按 mtime 走 ETag 自动刷新 -->
+<!-- V:26110649 缓存版本标记：改 css/js 时同步 bump 该值（与 js/app.js 的 VER 同源），静态资源按 mtime 走 ETag 自动刷新 -->
 <link rel="stylesheet" href="mama-box.css">
 <link rel="stylesheet" href="night.css?v=26110608">
 <link rel="stylesheet" href="js/wh-cm.css?v=26110642">
@@ -2732,7 +2732,7 @@ html.night .rs-pan .rp-card{background:rgba(255,255,255,.06);border-color:rgba(2
 })();
 </script>
 <!-- 2026-10-03 首页彩蛋：宝宝在肚皮底下动（独立文件，删掉这一行即整体下线；开关在「隐私权限」） -->
-<script src="js/bump.js?v=26110648"></script>
+<script src="js/bump.js?v=26110649"></script>
 <!-- 2026-10-04 首页头图：按孕周换宝宝 + 阳光水波（独立文件） -->
 <script src="js/hero-fx.js"></script>
 <!-- 2026-10-05 首页头图：宝宝时不时动一动小手小脚（独立文件，删掉这一行即下线） -->
diff --git a/js/app.js b/js/app.js
index c7e5f3d..f32b7b6 100644
--- a/js/app.js
+++ b/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 = '26110648';
+  var VER = '26110649';
   const $ = (s, c) => (c || document).querySelector(s);
   const $$ = (s, c) => Array.from((c || document).querySelectorAll(s));
 
diff --git a/js/bump.js b/js/bump.js
index dac5b00..cdb0628 100644
--- a/js/bump.js
+++ b/js/bump.js
@@ -472,15 +472,16 @@
     for (const [tx, ty, trx, try_] of TOES) { cx.moveTo(tx + dx + trx, ty + dy); cx.ellipse(tx + dx, ty + dy, trx, try_, 0, 0, 7); }
     cx.fill();
   }
-  function footprint(x, y, rx, ry, ang, k) {
+  function footprint(x, y, rx, ry, ang, k, life) {
     /* 11-07 用户纠正：「要按之前的踢法——先从页面底下把页面踢得鼓起来，隐隐约约，之后才能看清一个小小的脚丫子」
-       → 脚印缩小到鼓包的一半、软边，顶到六成以上才慢慢浮出来，到最高点也只是浅浅一层（不是贴上去的脚丫图） */
-    if (k < .6) return;
-    const t = (k - .6) / .4, a = t * t * (3 - 2 * t), f = .5;
+       → 前 0.7 秒只有鼓包，之后 1 秒里小脚丫才慢慢浮出来；脚印缩小到鼓包的一半、软边，最清楚时也只是浅浅一层（不是贴上去的脚丫图）；鼓包收回去时跟着淡掉 */
+    if (k < .5 || life < .7) return;
+    const sm = v => (v = Math.min(1, Math.max(0, v)), v * v * (3 - 2 * v));
+    const a = sm((k - .5) / .5) * sm((life - .7) / 1), f = .5;
     cx.save(); cx.translate(x, y); cx.rotate(ang); cx.scale(rx * f, ry * f);
     cx.shadowBlur = 6 * dpr;
     cx.fillStyle = cx.shadowColor = 'rgba(255,255,255,' + (.2 * a).toFixed(3) + ')'; soleShape(-.03, -.035);
-    cx.fillStyle = cx.shadowColor = 'rgba(120,72,58,' + (.2 * a).toFixed(3) + ')'; soleShape(0, 0);
+    cx.fillStyle = cx.shadowColor = 'rgba(120,72,58,' + (.24 * a).toFixed(3) + ')'; soleShape(0, 0);
     cx.restore();
   }
   function paint() {
@@ -500,7 +501,7 @@
           [-.07, -.09, .2, 'rgba(255,255,255,' + (.5 * k).toFixed(3) + ')']])
       ]);
       // 小脚丫顶上来时，隐隐约约带出一个脚印：极淡、全是软边，峰值时才看得出，凑近看像有像无
-      if (P === PARTS.foot || P === PARTS.kick) footprint(ft.x + ft.ox + ox, ft.y + ft.oy + oy, P.rx * sp, P.ry * sp, ft.ang + (mode === 'show' ? ft.wob : 0), Math.min(H / P.amp, 1));
+      if (P === PARTS.foot || P === PARTS.kick) footprint(ft.x + ft.ox + ox, ft.y + ft.oy + oy, P.rx * sp, P.ry * sp, ft.ang + (mode === 'show' ? ft.wob : 0), Math.min(H / P.amp, 1), ft.life);
     }
     const D = pk.d.v;
     if (D < -.2) {