v26110446 预览：专属福利不跟后台开关一直显示；「宝宝出生了」改成和我的收藏同款列表行；踢腿音效改到手机喇叭能放的频段+绕开 iPhone 静音键+每次触摸恢复声音

js/baby-limbs.js

@@ -124,28 +124,55 @@
      · 浏览器规定用户碰过页面后才能出声 → 第一次点 / 摸屏幕时才建 AudioContext，之前的踢腿不响。
      · 页面在后台 / 首页不在前台时本来就不动，也就不响；系统「减少动态效果」整个文件不跑。
      · URL 带 kicksound=0 关掉（调试用）。 */
-  let ac = null;
+  /* 11-05 用户：「音效我打开了，但是没有声音」→ 三处原因一起修：
+     ① 原来是 60～150Hz 的低音，手机外放喇叭基本放不出 → 改到 180～420Hz 的「咚」+ 一点低通噪声当「闷擦」，音量略加；
+     ② iPhone 静音键开着时 WebAudio 会被静音 → 有 navigator.audioSession 就设成 playback，没有就在手势里放一段极短的静音 <audio> 把会话切到「播放」类；
+     ③ 原来只在第一次触摸建一次 AudioContext，没起来或切后台被挂起后就再也不响 → 每次触摸都检查，挂起了就 resume。 */
+  let ac = null, nb = null, primed = false;
   const soundOff = /[?&#]kicksound=0/.test(location.href);
+  function silentWav() {   // 0.05 秒静音 wav（8kHz 单声道 8bit）
+    const n = 400, buf = new ArrayBuffer(44 + n), v = new DataView(buf), w = (o, str) => { for (let i = 0; i < str.length; i++) v.setUint8(o + i, str.charCodeAt(i)); };
+    w(0, 'RIFF'); v.setUint32(4, 36 + n, true); w(8, 'WAVEfmt '); v.setUint32(16, 16, true); v.setUint16(20, 1, true); v.setUint16(22, 1, true);
+    v.setUint32(24, 8000, true); v.setUint32(28, 8000, true); v.setUint16(32, 1, true); v.setUint16(34, 8, true); w(36, 'data'); v.setUint32(40, n, true);
+    for (let i = 0; i < n; i++) v.setUint8(44 + i, 128);
+    return URL.createObjectURL(new Blob([buf], { type: 'audio/wav' }));
+  }
   const unlock = () => {
-    if (ac || soundOff) return;
-    try { const A = window.AudioContext || window.webkitAudioContext; if (A) { ac = new A(); if (ac.state === 'suspended') ac.resume(); } } catch (e) { ac = null; }
+    if (soundOff) return;
+    try {
+      if (!primed) {
+        primed = true;
+        if (navigator.audioSession) navigator.audioSession.type = 'playback';
+        else { const au = new Audio(silentWav()); au.setAttribute('playsinline', ''); au.volume = 0.01; const pr = au.play(); if (pr && pr.catch) pr.catch(() => {}); }
+      }
+      if (!ac) { const A = window.AudioContext || window.webkitAudioContext; if (A) ac = new A(); }
+      if (ac && ac.state !== 'running') ac.resume();
+      if (ac && !nb) {   // 0.25 秒白噪声，做「闷擦」用
+        nb = ac.createBuffer(1, Math.floor(ac.sampleRate * .25), ac.sampleRate);
+        const d = nb.getChannelData(0); for (let i = 0; i < d.length; i++) d[i] = Math.random() * 2 - 1;
+      }
+    } catch (e) {}
   };
-  ['touchstart', 'pointerdown', 'click'].forEach(t => addEventListener(t, unlock, { passive: true, once: false, capture: true }));
+  ['touchstart', 'touchend', 'pointerdown', 'click'].forEach(t => addEventListener(t, unlock, { passive: true, capture: true }));
   function kickSound(delay) {
     if (!ac || ac.state !== 'running') return;
-    try { if (localStorage.getItem('mb_kick_snd') === '0') return; } catch (e) {}   // 11-05 「我的 → 隐私与权限 → 宝宝踢腿音效」关了就不响
-    const t = ac.currentTime + delay / 1000;
-    // 闷响：正弦 150→60Hz 快速下滑，低通滤掉高频，像隔着肚皮
-    const o = ac.createOscillator(), g = ac.createGain(), lp = ac.createBiquadFilter();
-    o.type = 'sine'; o.frequency.setValueAtTime(150, t); o.frequency.exponentialRampToValueAtTime(60, t + .16);
-    lp.type = 'lowpass'; lp.frequency.value = 420;
-    g.gain.setValueAtTime(0.0001, t); g.gain.exponentialRampToValueAtTime(0.16, t + .012); g.gain.exponentialRampToValueAtTime(0.0001, t + .2);
-    o.connect(lp); lp.connect(g); g.connect(ac.destination); o.start(t); o.stop(t + .22);
-    // 小气泡：很轻的上滑「啵」，晚一点点
-    const b = ac.createOscillator(), bg = ac.createGain(), t2 = t + .05;
-    b.type = 'sine'; b.frequency.setValueAtTime(520, t2); b.frequency.exponentialRampToValueAtTime(900, t2 + .07);
-    bg.gain.setValueAtTime(0.0001, t2); bg.gain.exponentialRampToValueAtTime(0.025, t2 + .01); bg.gain.exponentialRampToValueAtTime(0.0001, t2 + .09);
-    b.connect(bg); bg.connect(ac.destination); b.start(t2); b.stop(t2 + .1);
+    try { if (localStorage.getItem('mb_kick_snd') === '0') return; } catch (e) {}   // 「我的 → 隐私与权限 → 宝宝踢腿音效」关了就不响
+    const t = ac.currentTime + delay / 1000, out = ac.createGain();
+    out.gain.value = 0.9; out.connect(ac.destination);
+    // 咚：正弦 420→180Hz 快速下滑（手机喇叭放得出来），带一点二次谐波让它更「实」
+    [[1, .32], [2, .08]].forEach(([m, v]) => {
+      const o = ac.createOscillator(), g = ac.createGain();
+      o.type = 'sine'; o.frequency.setValueAtTime(420 * m, t); o.frequency.exponentialRampToValueAtTime(180 * m, t + .14);
+      g.gain.setValueAtTime(0.0001, t); g.gain.exponentialRampToValueAtTime(v, t + .008); g.gain.exponentialRampToValueAtTime(0.0001, t + .18);
+      o.connect(g); g.connect(out); o.start(t); o.stop(t + .2);
+    });
+    // 闷擦：低通噪声一小下，像隔着肚皮蹬了一脚
+    if (nb) {
+      const n = ac.createBufferSource(), lp = ac.createBiquadFilter(), ng = ac.createGain();
+      n.buffer = nb; lp.type = 'lowpass'; lp.frequency.value = 900;
+      ng.gain.setValueAtTime(0.0001, t); ng.gain.exponentialRampToValueAtTime(0.12, t + .006); ng.gain.exponentialRampToValueAtTime(0.0001, t + .09);
+      n.connect(lp); lp.connect(ng); ng.connect(out); n.start(t); n.stop(t + .1);
+    }
   }
 
   // 安排下一次「动一动」