diff --git a/app.js b/app.js
index 58cf59b..bb6c702 100644
--- a/app.js
+++ b/app.js
@@ -951,3 +951,89 @@ const hashId = location.hash.replace(/^#/, "");
: (SUTRAS.some((s) => s.id === prefs.sutra) ? prefs.sutra : SUTRAS[0]?.id);
if (initSutraId) selectSutra(initSutraId);
})();
+
+// ===== 隐藏后台：2 秒内连点页脚提示 6 次打开管理面板（来源链接点击不计数） =====
+const footHint = document.getElementById("foot-hint");
+let hintClicks = 0;
+let hintTimer = null;
+footHint.addEventListener("click", (e) => {
+ if (e.target.closest("a")) return;
+ hintClicks += 1;
+ clearTimeout(hintTimer);
+ hintTimer = setTimeout(() => { hintClicks = 0; }, 2000);
+ if (hintClicks >= 6) {
+ hintClicks = 0;
+ openAdmin();
+ }
+});
+
+/** 字节数转可读文本。 */
+function fmtBytes(n) {
+ if (n >= 1 << 20) return `${(n / (1 << 20)).toFixed(1)} MB`;
+ if (n >= 1 << 10) return `${(n / (1 << 10)).toFixed(1)} KB`;
+ return `${n} B`;
+}
+
+/** 秒数转可读运行时长（如 2天3时 / 4时12分 / 35秒）。 */
+function fmtUptime(sec) {
+ const d = Math.floor(sec / 86400);
+ const h = Math.floor((sec % 86400) / 3600);
+ const m = Math.floor((sec % 3600) / 60);
+ if (d) return `${d}天${h}时`;
+ if (h) return `${h}时${m}分`;
+ if (m) return `${m}分${sec % 60}秒`;
+ return `${sec}秒`;
+}
+
+/** 打开管理面板：本机偏好/播放状态 + 服务器 /api/stats 统计，可点"刷新"重拉。 */
+function openAdmin() {
+ const mask = document.createElement("div");
+ mask.className = "admin-mask";
+ const card = document.createElement("div");
+ card.className = "admin-card";
+ card.setAttribute("role", "dialog");
+ card.setAttribute("aria-label", "管理面板");
+ const voiceName = voiceSelect.options[voiceSelect.selectedIndex]?.textContent || "-";
+ const bgmName = bgmSelect.options[bgmSelect.selectedIndex]?.textContent || "关";
+ card.innerHTML = `
+ 后台
+ 本机
+
+
经典${sutra ? sutra.name : "-"}
+
音色${voiceName}
+
语速${rateSelect.value}×
+
配乐${bgmName}
+
循环 / 夜间${loopMode ? "开" : "关"} / ${document.body.classList.contains("night") ? "开" : "关"}
+
播放${playing ? `第 ${currentSeg + 1}/${segments.length} 段` : "未在播"}
+
浏览器${/Mobile/.test(navigator.userAgent) ? "移动端" : "桌面端"}${navigator.serviceWorker?.controller ? " · PWA" : ""}
+
服务器
+
+
+
+
+
`;
+ mask.appendChild(card);
+ document.body.appendChild(mask);
+ const close = () => mask.remove();
+ mask.addEventListener("click", (e) => { if (e.target === mask) close(); });
+ card.querySelector("#admin-close").addEventListener("click", close);
+
+ const loadStats = async () => {
+ const box = card.querySelector("#admin-server");
+ try {
+ const s = await (await fetch("/api/stats")).json();
+ const hitRate = s.tts_requests ? `${Math.round((s.cache_hits / s.tts_requests) * 100)}%` : "-";
+ box.innerHTML = `
+ 运行时长${fmtUptime(s.uptime_sec)}
+ 访客 IP${s.visitors}
+ TTS 请求${s.tts_requests}（命中 ${s.cache_hits} · ${hitRate}）
+ 语音缓存${s.cache_files} 个 · ${fmtBytes(s.cache_bytes)}
+ 经典数 / 模型${s.sutra_count} 部 · ${s.model}
`;
+ } catch {
+ box.innerHTML = '服务器统计不可用
';
+ }
+ };
+ loadStats();
+ card.querySelector("#admin-refresh").addEventListener("click", loadStats);
+}
diff --git a/index.html b/index.html
index 6d3dfde..b4e38e3 100644
--- a/index.html
+++ b/index.html
@@ -13,7 +13,7 @@
-
+
@@ -112,10 +112,10 @@
-
+