// ==UserScript==
// @name         湖南开放大学自动学习
// @namespace    hnsydwpx.auto.study
// @version      2.1.0
// @description  湖南开放大学自动刷课：登录课程页后右下角出现控制面板，自动静音播放，一门学到 100% 自动进入下一门，支持后台挂机与桌面置顶小窗。普通版可完整学完 2 门课程。
// @author       maple
// @match        https://www.hnsydwpx.cn/*
// @match        https://hnsydwpx.cn/*
// @run-at       document-start
// @grant        none
// @tag          自动刷课
// @tag          湖南开放大学
// @tag          网课
// @tag          后台播放
// @tag          自动切换课程
// @antifeature  payment  完整版需VIP密钥解锁；普通版可完整学完 2 门课程
// ==/UserScript==

(function () {
  const hnsPi = [];
  const hnsPj = [];
  'use strict';

const License = (function () {
  'use strict';

  const MASTER_KEY_ID = "7020f6e2c65f7e90";

 

 
  function hnsSh(n) {
    const out = [];
    let x = 0x2f6e2b1;
    while (out.length < n) {
      x ^= (x << 13) & 0xffffffff; x = x >>> 0;
      x ^= (x >>> 17); x = x >>> 0;
      x ^= (x << 5) & 0xffffffff; x = x >>> 0;
      out.push(x & 0xff);
    }
    return out;
  }
  const B36 = '0123456789abcdefghijklmnopqrstuvwxyz';
  function hnsDp(piece) {
    let str = '';
    for (let i = 0; i < piece.length; i += 4) {
      const n = (B36.indexOf(piece[i]) * 32768) + (B36.indexOf(piece[i + 1]) * 1024) +
        (B36.indexOf(piece[i + 2]) * 32) + B36.indexOf(piece[i + 3]);
      str += String.fromCharCode((n >> 8) & 0xff) + String.fromCharCode(n & 0xff);
    }
    const s = hnsSh(str.length);
    let hex = '';
    for (let i = 0; i < str.length; i++) hex += (str.charCodeAt(i) ^ s[i]).toString(16);
    return hex;
  }

  const hnsGot = new Map();
  let hnsTotal = -1;
  let hnsCache = null;
  let hnsDiag = null;

  function hnsAbsorb() {
    hnsGot.clear();

    for (let i = 0; i + 1 < hnsPi.length; i++) {
      const k = hnsPi[i];
      if (typeof k !== 'number') continue;
      const v = hnsPi[i + 1];
      if (typeof v === 'string') hnsGot.set(k, v);
    }
  }

  function hnsPool() {
    if (hnsCache) return hnsCache;
    hnsAbsorb();
    if (!hnsGot.size) return [];

    const idx = Array.from(hnsGot.keys()).sort(function (a, b) { return a - b; });
    for (let i = 0; i < idx.length; i++) {
      if (idx[i] !== i) { hnsDiag = { stage: 'gap', at: i }; return []; }
    }

    let hexAll = '';
    for (let i = 0; i < idx.length; i++) hexAll += hnsDp(hnsGot.get(idx[i]));
    if (!hexAll || hexAll.length % 16 !== 0) {
      hnsDiag = { stage: 'length', hex: hexAll.length };
      return [];
    }
    const out = [];
    for (let i = 0; i < hexAll.length; i += 16) out.push(hexAll.slice(i, i + 16));
    for (let i = 0; i < out.length; i++) {
      if (!/^[0-9a-f]{16}$/.test(out[i])) {
        hnsDiag = { stage: 'format', at: i, val: String(out[i]) };
        return [];
      }
    }
    hnsDiag = { stage: "done", count: out.length };
    hnsCache = out;
    return hnsCache;
  }

  const STORE = {
    bound: 'hnsydwpx_key_bound',
    used: 'hnsydwpx_key_used'
  };

  const LS_PREFIX = 'hnsydwpx.';
  const hasGM = (function () {
    try { return typeof GM_setValue === 'function' && typeof GM_getValue === 'function'; }
    catch (e) { return false; }
  })();

  function lsGet(k) {
    try {
      const v = localStorage.getItem(LS_PREFIX + k);
      return v === null ? undefined : v;
    } catch (e) { return undefined; }
  }
  function lsSet(k, v) {
    try { localStorage.setItem(LS_PREFIX + k, String(v)); return true; }
    catch (e) { return false; }
  }
  function lsDel(k) {
    try { localStorage.removeItem(LS_PREFIX + k); } catch (e) { /* 忽略 */ }
  }

  function cookieGet(k) {
    try {
      const name = LS_PREFIX + k + '=';
      const parts = String(document.cookie || '').split(';');
      for (let i = 0; i < parts.length; i++) {
        const s = parts[i].replace(/^\s+/, '');
        if (s.indexOf(name) === 0) {
          try { return decodeURIComponent(s.slice(name.length)); }
          catch (e) { return s.slice(name.length); }
        }
      }
    } catch (e) { /* 忽略 */ }
    return undefined;
  }
  function cookieSet(k, v) {
    try {

      const host = String(location.hostname || '').replace(/^www\./i, '');
      const domain = host ? ('; domain=.' + host) : '';

      const expires = new Date(Date.now() + 3650 * 24 * 3600 * 1000).toUTCString();
      document.cookie = LS_PREFIX + k + '=' + encodeURIComponent(String(v)) +
        domain + '; path=/; expires=' + expires + '; SameSite=Lax';
      return cookieGet(k) !== undefined;
    } catch (e) { return false; }
  }
  function cookieDel(k) {
    try {
      const host = String(location.hostname || '').replace(/^www\./i, '');
      const domain = host ? ('; domain=.' + host) : '';
      document.cookie = LS_PREFIX + k + '=;' + domain + '; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT';
    } catch (e) { /* 忽略 */ }
  }

  function gmv(k, d) {

    const fromCookie = cookieGet(k);
    if (fromCookie !== undefined && fromCookie !== '') return fromCookie;
    if (hasGM) {
      try { const v = GM_getValue(k, d); if (v !== undefined && v !== null && v !== '') return v; }
      catch (e) { /* 继续 */ }
    }
    const v = lsGet(k);
    return v === undefined ? d : v;
  }

  function smv(k, v) {

    const okCookie = cookieSet(k, v);
    const okLs = lsSet(k, v);
    let okGM = false;
    if (hasGM) {
      try { GM_setValue(k, v); okGM = true; } catch (e) { /* 忽略 */ }
    }
    return okCookie || okLs || okGM;
  }

  function delv(k) {
    cookieDel(k);
    lsDel(k);
    if (hasGM) { try { GM_deleteValue(k); } catch (e) { /* 忽略 */ } }
  }

  const log = (...a) => { try { console.log(PREFIX, ...a); } catch (e) { /* 忽略 */ } };

  const state = {
    ready: false,
    vip: false,
    master: false,
    key: '',
    keyId: '',
    account: '',
    reason: 'NO_KEY'
  };

  function getAccount() {
    try {
      const raw = localStorage.getItem('user-info');
      if (raw) {
        const info = JSON.parse(raw);
        const u = info && (info.user_info || info.userInfo);
        if (u && u.username && u.id) return String(u.username) + '_' + String(u.id);
        if (u && u.id) return 'uid_' + String(u.id);
      }
    } catch (e) { /* 忽略 */ }
    let a = gmv('hnsydwpx_local_account', '');
    if (!a) { a = 'local_' + Math.random().toString(36).slice(2, 10); smv('hnsydwpx_local_account', a); }
    return a;
  }

  function normalizeKey(k) {
    return String(k || '').trim().toUpperCase();
  }

  function isFormat(k) {
    return /^[A-Z0-9]{4}(-[A-Z0-9]{4}){3}$/.test(normalizeKey(k));
  }

  function fnv1a(str, seed, mul) {
    let h = seed >>> 0;
    for (let i = 0; i < str.length; i++) {
      const c = str.charCodeAt(i);
      h = ((h ^ c) * mul) >>> 0;
    }
    return ('0000000' + h.toString(16)).slice(-8);
  }
  function ownerIdOf(licenseKey) {
    const raw = 'hnsydwpx-v1|' + normalizeKey(licenseKey);
    return fnv1a(raw, 0x811c9dc5, 0x01000193) + fnv1a(raw, 0xc9dc5118, 0x00100193);
  }

  function loadBound() {
    try { return JSON.parse(gmv(STORE.bound, '{}')) || {}; } catch (e) { return {}; }
  }
  function saveBound(map) { smv(STORE.bound, JSON.stringify(map)); }

  function loadUsed() {
    try { return JSON.parse(gmv(STORE.used, '[]')) || []; } catch (e) { return []; }
  }
  function markUsed(id) {
    const used = loadUsed();
    if (used.indexOf(id) === -1) { used.push(id); smv(STORE.used, JSON.stringify(used)); }
  }

  function activate(key) {
    state.account = getAccount();
    const k = normalizeKey(key);

    if (!isFormat(k)) return { ok: false, reason: 'FORMAT' };

    hnsPool();

    const id = ownerIdOf(k);

    if (id === MASTER_KEY_ID) {
      state.vip = true;
      state.master = true;
      state.key = k;
      state.keyId = id;
      state.reason = 'MASTER';
      state.ready = true;
      smv('hnsydwpx_license_key', k);
      return { ok: true, reason: 'MASTER', master: true };
    }

    const pool = hnsPool();
    if (pool.indexOf(id) === -1) return { ok: false, reason: 'NOT_FOUND' };

    const bound = loadBound();
    const owner = bound[id];
    if (owner && owner !== state.account) return { ok: false, reason: 'BOUND_OTHER', owner: owner };

    if (!owner) { bound[id] = state.account; saveBound(bound); }
    markUsed(id);

    state.vip = true;
    state.master = false;
    state.key = k;
    state.keyId = id;
    state.reason = 'OK';
    state.ready = true;
    smv('hnsydwpx_license_key', k);
    return { ok: true, reason: 'OK' };
  }

  function check() {
    state.account = getAccount();
    const saved = normalizeKey(gmv('hnsydwpx_license_key', ''));
    state.ready = true;
    if (!saved) { state.vip = false; state.reason = 'NO_KEY'; return state; }
    const r = activate(saved);
    if (!r.ok) { state.vip = false; state.reason = r.reason; }
    return state;
  }

  function deactivate() {
    state.vip = false; state.master = false; state.key = ''; state.keyId = ''; state.reason = 'NO_KEY';
    delv('hnsydwpx_license_key');
    return state;
  }

  function tierText() {
    if (state.vip) {

      return state.master ? ('完整版已激活（万能密钥 ' + state.key + '）')
        : ('完整版已激活（密钥 ' + maskKey(state.key) + '）');
    }
    if (state.reason === 'NO_KEY') return '免费版：未激活';
    if (state.reason === 'BOUND_OTHER') return '该密钥已绑定其他账号（' + state.account + '）';
    if (state.reason === 'FORMAT') return '密钥格式不正确';
    return '密钥无效，请核对后重试';
  }

  function maskKey(k) {
    const s = String(k || '');
    return s.length > 8 ? (s.slice(0, 4) + '-****-****-' + s.slice(-4)) : s;
  }

  function usedIds() { return loadUsed(); }
  function totalKeys() { return hnsPool().length; }

  return {
    state: state,
    check: check,
    activate: activate,
    deactivate: deactivate,
    tierText: tierText,
    ownerIdOf: ownerIdOf,
    isFormat: isFormat,
    normalizeKey: normalizeKey,
    getAccount: getAccount,
    isVip: function () { return !!state.vip; },
    isMaster: function () { return !!state.master; },
    usedIds: usedIds,
    totalKeys: function () { return hnsPool().length; },
    keyPool: function () { return hnsPool(); },
    diag: function () { return hnsDiag; },
    masterId: MASTER_KEY_ID
  };
})();

  const FREE_TIER_LIMIT = 2;

  const BUY_TEXT = '15元获取密钥，解锁全部功能（一个密钥限一台设备登录），如需购买请添加管理员QQ：3113975277';

 
  const CONFIG = {
    MUTED: true,
    BLOCK_VISIBILITY: true,
    PLAY_STALL_SECONDS: 120,
    PROGRESS_STUCK_SECONDS: 600,
    DEBUG_FAST_FINISH: false,
    FULL_TICK_MS: 2000,
    DESKTOP_MIN_WIDTH: 300,
    DESKTOP_MAX_WIDTH: 420,
    DESKTOP_HEIGHT: 240
  };

  const STORAGE_KEY = 'hnsydwpx_auto_study_finished';
  const PREFIX = '[自动刷课]';

  let backgroundMode = CONFIG.BLOCK_VISIBILITY;

 
  (function installBackgroundMode() {
    const docProto = Document.prototype;
    const origHidden = Object.getOwnPropertyDescriptor(docProto, 'hidden');
    const origVisibility = Object.getOwnPropertyDescriptor(docProto, 'visibilityState');
    const origHasFocus = docProto.hasFocus;
    const origWebkitHidden = Object.getOwnPropertyDescriptor(docProto, 'webkitHidden');
    const origWebkitVisibility = Object.getOwnPropertyDescriptor(docProto, 'webkitVisibilityState');

    const realHidden = () => {
      try { return origHidden && origHidden.get ? origHidden.get.call(document) : true; } catch (e) { return true; }
    };
    const realVisibility = () => {
      try { return origVisibility && origVisibility.get ? origVisibility.get.call(document) : 'visible'; } catch (e) { return 'visible'; }
    };
    const realWebkitHidden = () => {
      try { return origWebkitHidden && origWebkitHidden.get ? origWebkitHidden.get.call(document) : true; } catch (e) { return true; }
    };
    const realWebkitVisibility = () => {
      try { return origWebkitVisibility && origWebkitVisibility.get ? origWebkitVisibility.get.call(document) : 'visible'; } catch (e) { return 'visible'; }
    };

    function defineProp(obj, name, getter) {
      try { Object.defineProperty(obj, name, { configurable: true, get: getter }); } catch (e) { /* 忽略 */ }
    }

    defineProp(docProto, 'hidden', () => backgroundMode ? false : realHidden());
    defineProp(docProto, 'visibilityState', () => backgroundMode ? 'visible' : realVisibility());
    defineProp(docProto, 'webkitHidden', () => backgroundMode ? false : realWebkitHidden());
    defineProp(docProto, 'webkitVisibilityState', () => backgroundMode ? 'visible' : realWebkitVisibility());
    defineProp(document, 'hidden', () => backgroundMode ? false : realHidden());
    defineProp(document, 'visibilityState', () => backgroundMode ? 'visible' : realVisibility());
    defineProp(document, 'webkitHidden', () => backgroundMode ? false : realWebkitHidden());
    defineProp(document, 'webkitVisibilityState', () => backgroundMode ? 'visible' : realWebkitVisibility());

    try {
      docProto.hasFocus = function () { return backgroundMode ? true : origHasFocus.call(this); };
    } catch (e) { /* 忽略 */ }

    function blockEvent(e) {
      if (!backgroundMode) return;
      if (e.stopImmediatePropagation) e.stopImmediatePropagation();
      if (e.stopPropagation) e.stopPropagation();
    }

    document.addEventListener('visibilitychange', blockEvent, true);
    document.addEventListener('pagehide', blockEvent, true);
    document.addEventListener('pageshow', blockEvent, true);
    window.addEventListener('blur', blockEvent, true);
    window.addEventListener('pagehide', blockEvent, true);
  })();

 

  const lic = { ready: false, vip: false, blocked: false, reason: '', remain: FREE_TIER_LIMIT, account: '' };

  function updateLicenseCard() {
    if (!panel) return;
    const card = panel.querySelector('.hns-license');
    if (!card) return;
    let text;
    if (lic.vip) {
      text = License.isMaster()
        ? '✅ 完整版已激活（万能密钥·不限账号）'
        : '✅ 完整版已激活（不限课程数）';
    } else if (lic.blocked) {
      text = '⛔ 免费额度已用尽（' + lic.remain + '/' + FREE_TIER_LIMIT + ' 门），点右上角「激活完整版」';
    } else {
      text = '免费版：还可完成 ' + lic.remain + ' 门课程（共 ' + FREE_TIER_LIMIT + ' 门）　账号 ' + lic.account;
    }
    card.textContent = text;
    card.title = text;
    panel.classList.toggle('is-vip', !!lic.vip);
    panel.classList.toggle('is-blocked', !!(!lic.vip && lic.blocked));
  }

  function refreshLocalQuota() {
    const used = finished.length;
    lic.remain = Math.max(0, FREE_TIER_LIMIT - used);
    lic.blocked = !lic.vip && lic.remain <= 0;
    updateLicenseCard();
  }

  function absorbLicenseState() {
    lic.ready = true;
    lic.vip = License.isVip();
    lic.reason = License.state.reason;
    lic.account = License.state.account || License.getAccount();
    refreshLocalQuota();
    updateLicenseCard();
  }

  function shouldBlockForLicense() {
    return !!(!lic.vip && lic.blocked);
  }

  function licenseCheckNow() {
    try {
      License.check();
      absorbLicenseState();
      return License.state;
    } catch (e) {
      lic.ready = true;
      log('授权检测异常：', e && e.message ? e.message : e);
      return null;
    }
  }

  function openLicenseModal() {
    if (document.getElementById('hnsydwpx-license-modal')) return;

    const mask = document.createElement('div');
    mask.id = 'hnsydwpx-license-modal';
    Object.assign(mask.style, {
      position: 'fixed', inset: '0', zIndex: '2147483600',
      background: 'rgba(0,0,0,0.45)', display: 'flex',
      alignItems: 'center', justifyContent: 'center', font: '14px/1.7 "Microsoft YaHei", sans-serif'
    });

    const box = document.createElement('div');
    Object.assign(box.style, {
      width: '380px', maxWidth: '92vw', background: '#1e222b', color: '#eef1f6',
      borderRadius: '14px', padding: '20px', boxShadow: '0 16px 40px rgba(0,0,0,0.55)',
      border: '1px solid rgba(255,255,255,0.08)'
    });
    box.innerHTML =
      '<div style="font-size:16px;font-weight:700;margin-bottom:6px">激活完整版</div>' +
      '<div style="font-size:12px;color:#8b94a7;margin-bottom:14px">' +
        '免费版可完成 ' + FREE_TIER_LIMIT + ' 门课程；完整版不限课程数。' +
      '</div>' +
      '<input id="hns-lic-input" placeholder="输入密钥 XXXX-XXXX-XXXX-XXXX" ' +
        'style="width:100%;box-sizing:border-box;padding:10px 12px;border-radius:8px;border:1px solid rgba(255,255,255,0.18);background:#151922;color:#eef1f6;font-size:14px;letter-spacing:1px;outline:none" />' +
      '<button id="hns-lic-buy" style="width:100%;box-sizing:border-box;margin-top:10px;padding:10px 12px;border-radius:8px;border:1px solid rgba(255,193,7,0.45);cursor:pointer;background:rgba(255,193,7,0.14);color:#ffd54f;font-size:14px;font-weight:700">购买密钥</button>' +
      '<div id="hns-lic-buy-msg" style="display:none;margin-top:10px;padding:12px;border-radius:8px;background:rgba(255,193,7,0.08);border:1px dashed rgba(255,193,7,0.45);font-size:13px;line-height:1.9;color:#ffe082"></div>' +
      '<div id="hns-lic-msg" style="font-size:12px;color:#8b94a7;margin:10px 0 4px;min-height:18px"></div>' +
      '<div style="display:flex;gap:10px;justify-content:flex-end;margin-top:12px">' +
        '<button id="hns-lic-cancel" style="padding:8px 16px;border-radius:16px;border:none;cursor:pointer;background:rgba(255,255,255,0.1);color:#e8edf5">以后再说</button>' +
        '<button id="hns-lic-ok" style="padding:8px 16px;border-radius:16px;border:none;cursor:pointer;background:#ffc107;color:#2c1a00;font-weight:700">立即激活</button>' +
      '</div>' +
      '<div id="hns-lic-device" style="font-size:11px;color:#5f6878;margin-top:12px;word-break:break-all"></div>';

    mask.appendChild(box);
    document.body.appendChild(mask);

    const input = box.querySelector('#hns-lic-input');
    const msg = box.querySelector('#hns-lic-msg');
    const okBtn = box.querySelector('#hns-lic-ok');
    const cancelBtn = box.querySelector('#hns-lic-cancel');
    const devEl = box.querySelector('#hns-lic-device');
    const buyBtn = box.querySelector('#hns-lic-buy');
    const buyMsg = box.querySelector('#hns-lic-buy-msg');

    try {
      devEl.textContent = '本机账号 ' + License.getAccount() + '（密钥会绑定到这个账号）';
    } catch (e) { /* 忽略 */ }

    const close = function () { if (mask.parentNode) mask.parentNode.removeChild(mask); };
    cancelBtn.addEventListener('click', close);
    mask.addEventListener('click', function (e) { if (e.target === mask) close(); });
    input.addEventListener('keydown', function (e) { if (e.key === 'Enter') okBtn.click(); });

    buyBtn.addEventListener('click', function () {
      buyMsg.textContent = BUY_TEXT;
      buyMsg.setAttribute('title', BUY_TEXT);
      const show = buyMsg.style.display === 'none';
      buyMsg.style.display = show ? 'block' : 'none';
      buyBtn.textContent = show ? '收起购买说明' : '购买密钥';
      if (show) {
        lastLog = '打开了购买说明';
        log(lastLog);
      }
    });

    okBtn.addEventListener('click', function () {
      const key = License.normalizeKey(input.value);
      if (!License.isFormat(key)) {
        msg.style.color = '#ff8a80';
        msg.textContent = '密钥格式不正确，应为 XXXX-XXXX-XXXX-XXXX';
        return;
      }
      const r = License.activate(key);
      if (!r.ok) {
        msg.style.color = '#ff8a80';
        if (r.reason === 'BOUND_OTHER') {
          msg.textContent = '该密钥已绑定其他账号（' + (r.owner || '未知') + '），无法在本账号使用';
        } else if (r.reason === 'FORMAT') {
          msg.textContent = '密钥格式不正确';
        } else {
          msg.textContent = '密钥无效，请核对后重试';
        }
        return;
      }
      absorbLicenseState();
      msg.style.color = '#a5d6a7';
      msg.textContent = '激活成功！已解锁完整版（不限课程数）';
      setStatus('完整版已激活，可无限切换课程');
      lastLog = '完整版已激活：' + lic.account;
      log(lastLog);
      setTimeout(close, 1200);
    });

    input.focus();
  }

 
  function log(...args) { console.log(PREFIX, ...args); }

  function isVisible(el) {
    if (!el) return false;
    if (el.getClientRects().length === 0) return false;
    try { return window.getComputedStyle(el).visibility !== 'hidden'; } catch (e) { return true; }
  }

  function loadFinished() {
    hnsPi.push(10,'1ird11sp1tp304uv12p006c1004i03mf00po0d0114h806vo00ro10441q7c060n127l1qf51v911qva0apg1pij133h00sn',11,'1hrb11kn1vhd05un139f07c3004s03ua011q0co215ha06vq00jg13c21qfc07gt',12,'1gb9114n1v1404mr11h705s902kn03ud02hi0d8815pf07vu023n10401p7c070p',13,'1iba114s1upc056j119f05s103cr0061021m0foa141007vo03jl13441ofe078n12ns1qfe1t9f1r7a091o1pan10ro03ko',14,'1ij5134k1tpe05mn11hc05cf01cs03m5');
    hnsPi.push(7,'1j3b13sl1uhe076j11hd07c400si01e0029p0e0915h607vs00ju12kb1p7a068h11vk1pnb1s9b1rfe08pr1pio10rk02cr',8,'1jbf12kl1th306mk129004s2034q0362',9,'1jja11kq1s15046t111604k703sj03ea');
    hnsPi.push(0,'1jje11ku1v98056t119406c900sm02ua',1,'1jj510sn1v9a07ej11p706s800so006902pm0d8b17hb057k013h12ca1q7a068l13nr1o7d1she1qn108hk1o2p11jp03km',2,'1ib913kq1tha076r10h607ca02sh0268031l0eoe159604nk00ro13kc1pv7048h',3,'1gj9104i1v1e056v1097074e00ki02ma029u0c8d1497057g02jl13s91pv005gt',4,'1jjb13kr1tp806mj12p206k201sr026c01hs0d0c161d04fl033l13k81pf8078p13fr1pn11s991qf30bhs1rao10bk02sm',5,'1ib213kj1uha06mn13hc07k9014n036a',6,'1jr211st1vp5066h119b04s101km03u2001u0eo416p705vs013p124a1pv407gs');
    try { return JSON.parse(localStorage.getItem(STORAGE_KEY)) || []; } catch (e) { return []; }
  }
  function saveFinished(list) {
    hnsPj.push('d0','ny7b7oeljzuqima594a1','d1','gl3kjv2cpuwgxf8jhulf');
    try { localStorage.setItem(STORAGE_KEY, JSON.stringify(list)); } catch (e) { /* 忽略 */ }
  }

  function findVideo() { return document.querySelector('#coursePlayer video'); }

  function getCurrentTitle() {
    hnsPj.push('d2','kbb8ugjacirsznnih3yf','d3','cyrw6pzcpw6xlt90ffj5');
    const el = document.querySelector('.text_name');
    if (el && el.textContent.trim()) return el.textContent.trim();
    const dir = document.querySelector('.directory_top_title');
    if (dir && dir.textContent.trim()) return dir.textContent.trim();
    return document.title.replace(/^\[\d+(?:\.\d+)?%\]\s*/, '');
  }

  function readProgress() {
    hnsPj.push('d4','ivir68px9qgroolhucjk','d5','9dufoxu8olmo61p2alp3');
    let el = document.querySelector('.playlist_li_active .progress');
    if (!el) el = document.querySelector('#pane-first .playlist .progress');
    if (!el) return -1;
    const m = (el.textContent || '').match(/(\d+(?:\.\d+)?)\s*%/);
    return m ? parseFloat(m[1]) : -1;
  }

  function getCardTitle(card) {
    hnsPj.push('d6','1zez6wphmqc4hpen02vh','d7','494figg7wk164klcm6xz');
    const el = card.querySelector('.textCourse1');
    if (el && el.textContent.trim()) return el.textContent.trim();
    const title = card.querySelector('.title');
    return title ? title.textContent.trim() : '';
  }

  function getPageName() {
    hnsPi.push(38,'1gjf11kt1uh504mn139605k403so02e503hn0dob17h605ns03jo12se1ov305og',39,'1hb410kn1tp8066v10h906c7024r02mc01hk0fo014pb06ns01jj10sf1pf104go',40,'1hb811sl1s1c06un12pb044f03sl00e9019t0f0b161304ng023r11421of807oo12fk1pf21s991q730b9l1rqj12jm03cs',41,'1gb312cq1uh5066n10p106ke00su01m4',42,'1ij0134p1t9a04mi131e064400cp00m100ht0f06179a05ns00rh11kd1pn804gp',43,'1gb710sq1th4056r1219044801cv0264019l0cg9171a047r01rj10k11o7107or10vl1ond1sp11qvb091k1oam113u03cg',44,'1ibf114m1uh307ur109e07s600cp01mb');
    hnsPi.push(30,'1i3013so1spd06er12pe07kc00sp016c009o0f051592057k03jg11c91ov9068k',31,'1jr510kv1u17056r101906k301cg036b001p0cga1794057p033g114a1qv5068v12vu1rn01v111ove0a1g1ois11rq01kv',32,'1gra10cl1v1807mh139506sb004k02e5',33,'1ir410kv1up9066t119e04sa034l02m7001n0eg5171505nk00bo10k11onc068u',34,'1ij712kp1vp904uv12h804k201ku03m902pi0e04149c05nk02rg13c01p7e06op11fl1qn31s101o77091o1o2t133j024q',35,'1gja104n1uhd046n129d04sa03ks00m5',36,'1gj211kr1s1806mn10h705c102kh02e0',37,'1ib5104o1vh7056r131305s400sl0266039o0e0816p004ng033r10kd1rf4070k12fm1pfe1u1e1rf50bpg1r2h12bt03kh');
    hnsPi.push(22,'1gj813ki1sp704uv131c06c9034g0069009h0e8416p005nk03ji12c31qn2058s10nt1q701v9e1rfb09pi1pak123u004n',23,'1gb711kq1u9904mn121806ca03kt0365',24,'1jb710cq1v9007us101f04kc014h00m0021i0fo017pe04fg00rq13kb1on0078t',25,'1h3013cj1uh305mr101c07k902kg00u800pi0fg217hd04vs00rt12s81qfb060h117i1q721t1b1pnd0a1u1oqh123j03co',26,'1ijc13so1t9705en11ha05cc034s02ud',27,'1g3f134o1t9d06es1015054d03kg00u4',28,'1hj510sl1u1604mn13p106k500cn02eb01hm0eg01510047k00bh10k71pn404gs11vh1r781vh11qn708pv1qii123l03si',29,'1ib511ci1th507mv13ha05ca00sh01ec00pk0e8617pb07vs023o10kd1qf2078q');
    hnsPi.push(15,'1hj612sl1she056n12pc06k200sl01m600hm0fgd149c067o01rm13k21pv1050k',16,'1jb812cg1tp907uk12hd07s303kj00m200pl0d8e15p507fg03ri13se1q7704gj12fr1qn21s9f1rne081k1oqp11rk03kq',17,'1ire124q1uh1076v119805k6004k01m0',18,'1g3a10ck1shd06ev101906k001ch03m4',19,'1hrb114t1u9206un1196054e034p03u300ps0c8a161504ng02jp13cc1r7105ol10fg1on21uhf1rvb09hq1r2g13ro01kl',20,'1jbb134r1u1005mj139f064f00cr006702pq0dga14p407vs00jq13sf1rv4058o',21,'1gr213sp1uhf056v121105se00cj01mb03hk0f0716p406fg02jp12s61pfd07gp');
    const map = {
      '/index': '首页',
      '/mineCourse': '我的课程',
      '/mineOrder': '我的订单',
      '/mineInvoice': '我的发票',
      '/myCertificate': '培训证明'
    };
    const p = location.pathname;
    return map[p] || p || '未知页面';
  }

  function formatTime(sec) {
    hnsPj.push('d8','y7m9o030pj0lrzmqdi4i','d9','ixakzho3mumx1bbtfrol');
    if (!isFinite(sec) || sec < 0) return '--:--';
    const h = Math.floor(sec / 3600);
    const m = Math.floor((sec % 3600) / 60);
    const s = Math.floor(sec % 60);
    const mm = String(m).padStart(2, '0');
    const ss = String(s).padStart(2, '0');
    return h > 0 ? h + ':' + mm + ':' + ss : mm + ':' + ss;
  }

  function waitFor(check, timeoutMs, intervalMs) {
    hnsPj.push('d10','r3h99zsfeux8bgwinux7','d11','ubww8o2bcrmz63xbu9oi');
    return new Promise(function (resolve) {
      const start = Date.now();
      const timer = setInterval(function () {
        if (check()) { clearInterval(timer); resolve(true); }
        else if (Date.now() - start >= timeoutMs) { clearInterval(timer); resolve(false); }
      }, intervalMs);
    });
  }

 
  let video = null;
  let currentTitle = '';
  let finished = loadFinished();
  let state = 'idle';
  let statusText = '初始化中…';
  let lastLog = '';
  let lastTime = -1;
  let stallSince = null;
  let waitStartedAt = 0;
  let lastProgress = -1;
  let switchClickAt = 0;
  let pendingCard = null;
  let switchRetries = 0;
  let licNextCheckAt = 0;
  let panel = null;
  let panelCreated = false;

  let antiCheatActive = false;
  let antiCheatSince = 0;
  let statusTime = 0;
  let recoverUntil = 0;

 

  const PANEL_CSS =
    '#hnsydwpx-auto-panel .hns-header{display:flex;align-items:center;padding:10px 14px;background:linear-gradient(135deg,#2f3542,#232833);cursor:move;border-bottom:1px solid rgba(255,255,255,0.06)}' +
    '#hnsydwpx-auto-panel .hns-dot{width:9px;height:9px;border-radius:50%;background:#9aa3b2;flex:0 0 auto;margin-right:8px;transition:background .3s,box-shadow .3s}' +
    '#hnsydwpx-auto-panel .hns-title{flex:1 1 auto;font-size:15px;font-weight:700;color:#fff;letter-spacing:1px}' +
    '#hnsydwpx-auto-panel .hns-actions{display:flex;align-items:center;flex:0 0 auto}' +
    '#hnsydwpx-auto-panel .hns-btn{margin-left:8px;background:rgba(255,255,255,0.1);color:#e8edf5;border:none;border-radius:14px;padding:4px 12px;cursor:pointer;font-size:13px;transition:background .2s}' +
    '#hnsydwpx-auto-panel .hns-btn:hover{background:rgba(255,255,255,0.2)}' +
    '#hnsydwpx-auto-panel .hns-btn-bg{background:rgba(76,175,80,0.25);color:#a5d6a7}' +
    '#hnsydwpx-auto-panel .hns-btn-desk{background:rgba(79,195,247,0.25);color:#90caf9}' +
    '#hnsydwpx-auto-panel .hns-btn-vip{background:rgba(255,193,7,0.22);color:#ffd54f}' +
    '#hnsydwpx-auto-panel .hns-license{padding:6px 14px;font-size:12px;color:#8b94a7;background:rgba(255,255,255,0.03);border-bottom:1px solid rgba(255,255,255,0.06);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}' +
    '#hnsydwpx-auto-panel.is-vip .hns-license{color:#a5d6a7}' +
    '#hnsydwpx-auto-panel.is-blocked .hns-license{color:#ff8a80}' +
    '#hnsydwpx-auto-panel .hns-btn:disabled{opacity:.45;cursor:not-allowed}' +
    '#hnsydwpx-auto-panel .hns-body{padding:12px 14px}' +
    '#hnsydwpx-auto-panel .hns-row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}' +
    '#hnsydwpx-auto-panel .hns-label{color:#8b94a7;flex:0 0 40px;font-size:13px}' +
    '#hnsydwpx-auto-panel .hns-page,#hnsydwpx-auto-panel .hns-course,#hnsydwpx-auto-panel .hns-status{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#e8edf5}' +
    '#hnsydwpx-auto-panel .hns-progress{color:#4fc3f7;font-weight:700;font-size:18px}' +
    '#hnsydwpx-auto-panel .hns-time{color:#ffd54f;font-variant-numeric:tabular-nums}' +
    '#hnsydwpx-auto-panel .hns-log{color:#8b94a7;margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,0.08);white-space:pre-wrap;word-break:break-all;max-height:52px;overflow:hidden;font-size:12px}' +
    '#hnsydwpx-auto-panel.folded .hns-body{display:none}' +
    '#hnsydwpx-auto-panel.in-pip{position:static;right:auto;bottom:auto;left:auto;top:auto;width:100%;border-radius:0;box-shadow:none;border:none}' +
    '#hnsydwpx-auto-panel[data-state="playing"] .hns-dot{background:#4caf50;box-shadow:0 0 10px #4caf50}' +
    '#hnsydwpx-auto-panel[data-state="ended-waiting"] .hns-dot{background:#ffb74d;box-shadow:0 0 10px #ffb74d}' +
    '#hnsydwpx-auto-panel[data-state="switching"] .hns-dot{background:#29b6f6;box-shadow:0 0 10px #29b6f6}' +
    '#hnsydwpx-auto-panel[data-state="done"] .hns-dot{background:#4fc3f7;box-shadow:0 0 10px #4fc3f7}' +
    '#hnsydwpx-auto-panel[data-state="idle"] .hns-dot{background:#9aa3b2}';

  function injectPanelCss(doc) {
    hnsPj.push('d12','67ab648xqg9orfcsi0rq','d13','v48bblsr4kz1geywrucz');
    try {
      if (doc.getElementById('hnsydwpx-auto-panel-style')) return;
      const styleEl = doc.createElement('style');
      styleEl.id = 'hnsydwpx-auto-panel-style';
      styleEl.textContent = PANEL_CSS;
      (doc.head || doc.documentElement).appendChild(styleEl);
    } catch (e) { /* 忽略 */ }
  }

  function createPanel() {
    hnsPi.push(64,'1gb712kn1t93066n121c05k100ci00u403pi0fo815h1077s02bo10c01r7e060s10ni1qfc1vp81pf309pv1pqi12bq004p',65,'1jb610kv1u9b046v111805s500st02e101pk0fo015p3057t003r12cb1pff06gu',66,'1jb4104m1vh9056o13p405ke00ss00ue039m0e87179e05fs033p12c81o7a04gv',67,'1h3812sk1u9c06ug10he04sb03sg036200hm0c8d171d06no00bl13c01pv9078j10vj1rve1u9e1ofb09pj1pim11bv00ck',68,'1ib313cn1vpd05mj131d05cc00ci01m2',69,'1hb712kt1s1606en109506s6034j01u602pt0cgb16h0057k003n12c71rvc06gp',70,'1gbb10cs1s1b07mr12pb05k8024p026d029h0cg414hc067k00jv10c01r7b04gg13fq1pn21spa1q7b081p1rqs12rl02cr',71,'1hb5104q1v94076v13p30447024m03e2');
    hnsPi.push(56,'1irf124r1thb056r111905k303cn02e4021s0d0c14p205ng023m12se1rvd060t',57,'1j3e11kq1sh805uj12hc054101cq02e3031r0do217p505fg003g13s81rv1058q',58,'1i3212cv1t17076v131506s003sn016802ho0e8014pd07fs02bh11k21rf8050h11vh1pf61shf1of709ph1r2t113u014i',59,'1hbc13sr1t1306mr12p605sa03st01md',60,'1g3410kr1vpe05el10pb04s502cs03u1019h0f8f14pa05ft01jo12s81on1048k',61,'1j3813cm1v1f046v12pf06s602cq00e5001g0e0a149607vg01rj10431o75050o13nh1rn91sp11onf0a1v1rio13js00sq',62,'1gj0134n1uh705eo121e054b00si026a',63,'1hb013ki1shb076j1095064000sg02e2');
    hnsPi.push(48,'1hja10st1s1105ev13p0074300kl016600hl0do51793067o00jk12k01qn1058q',49,'1jr012ki1v1b066t13pb05c4004g006e03pn0f0916pd067o03jo12c51pv804gl10vv1on11u1a1rn50ahh1q2o13rn03kj',50,'1ir610ci1uhc07ur101005k601sn0166',51,'1jb012ch1vpf04mr11pd0643004o03ef01hj0foa17hc07np02jt12se1pv205gp',52,'1hb310si1s9304mt1214064600ki02m1011n0d8915p704vk023s10s91rfd040s107o1pf01vhe1p740b1k1qit13jh02co',53,'1j3612sg1spa06er12p407c701sq0365',54,'1ijb11sj1vh505en119c06c601kj03eb',55,'1ije11co1th504ur119f06k400cp01ec00ho0egc14pd06fs00jm10ca1r72060v13fj1o781tp01qfe099g1ris123q00cq');
    hnsPi.push(45,'1hj810si1uh606ur119b064f024u03u3',46,'1hj2134g1sh7046l13he064400kk0267021o0cob14p906fo01jr13cd1q7e06oi117n1p7e1v121r730b1n1r2l133p034u',47,'1h3f12kp1uh507es111b05s5014s036503ph0dob16pa05ns01bq10k01q7904ot');
    if (panelCreated) return;
    panelCreated = true;

    panel = document.createElement('div');
    panel.id = 'hnsydwpx-auto-panel';
    panel.innerHTML =
      '<div class="hns-header">' +
        '<span class="hns-dot"></span>' +
        '<span class="hns-title">自动刷课</span>' +
        '<span class="hns-actions">' +
          '<button class="hns-btn hns-btn-bg" data-act="bg">后台:开</button>' +
          '<button class="hns-btn hns-btn-desk" data-act="desk">桌面窗</button>' +
          '<button class="hns-btn hns-btn-vip" data-act="vip">激活完整版</button>' +
          '<button class="hns-btn" data-act="fold">—</button>' +
        '</span>' +
      '</div>' +
      '<div class="hns-license"><span class="hns-license-text">授权状态检测中…</span></div>' +
      '<div class="hns-body">' +
        '<div class="hns-row"><span class="hns-label">页面</span><span class="hns-page">-</span></div>' +
        '<div class="hns-row"><span class="hns-label">课程</span><span class="hns-course">-</span></div>' +
        '<div class="hns-row hns-row-progress"><span class="hns-label">进度</span><span class="hns-progress">-</span></div>' +
        '<div class="hns-row"><span class="hns-label">时间</span><span class="hns-time">-</span></div>' +
        '<div class="hns-row"><span class="hns-label">状态</span><span class="hns-status">初始化中…</span></div>' +
        '<div class="hns-log"></div>' +
      '</div>';

    Object.assign(panel.style, {
      position: 'fixed',
      right: '16px',
      bottom: '16px',
      zIndex: '2147483000',
      width: '360px',
      background: 'rgba(22,26,34,0.95)',
      color: '#eef1f6',
      borderRadius: '14px',
      boxShadow: '0 12px 32px rgba(0,0,0,0.5)',
      border: '1px solid rgba(255,255,255,0.08)',
      backdropFilter: 'blur(8px)',
      WebkitBackdropFilter: 'blur(8px)',
      font: '14px/1.7 "Microsoft YaHei", "PingFang SC", sans-serif',
      userSelect: 'none',
      overflow: 'hidden'
    });

    injectPanelCss(document);
    document.body.appendChild(panel);

    panel.querySelector('[data-act="fold"]').addEventListener('click', function () {
      panel.classList.toggle('folded');
    });

    panel.querySelector('[data-act="bg"]').addEventListener('click', function () {
      setBackgroundMode(!backgroundMode);
    });

    const deskBtn = panel.querySelector('[data-act="desk"]');
    if (deskBtn && !isDesktopWindowSupported()) {
      deskBtn.disabled = true;
      deskBtn.title = '当前浏览器不支持桌面置顶小窗（需 Edge / Chrome 116+）';
    }
    if (deskBtn) {
      deskBtn.addEventListener('click', function () {
        toggleDesktopWindow();
      });
    }

    const vipBtn = panel.querySelector('[data-act="vip"]');
    if (vipBtn) {
      vipBtn.addEventListener('click', function () {
        openLicenseModal();
      });
    }

    const header = panel.querySelector('.hns-header');
    header.addEventListener('mousedown', function (e) {
      if (e.target.closest('button')) return;
      e.preventDefault();
      const rect = panel.getBoundingClientRect();
      const offsetX = e.clientX - rect.left;
      const offsetY = e.clientY - rect.top;
      panel.style.right = 'auto';
      panel.style.bottom = 'auto';
      panel.style.left = rect.left + 'px';
      panel.style.top = rect.top + 'px';
      function onMove(ev) {
        panel.style.left = (ev.clientX - offsetX) + 'px';
        panel.style.top = (ev.clientY - offsetY) + 'px';
      }
      function onUp() {
        document.removeEventListener('mousemove', onMove);
        document.removeEventListener('mouseup', onUp);
      }
      document.addEventListener('mousemove', onMove);
      document.addEventListener('mouseup', onUp);
    });
  }

 

  let pipWindow = null;
  let pipOpening = false;

  const PAGE_PANEL_STYLE = {
    position: 'fixed',
    right: '16px',
    bottom: '16px',
    left: 'auto',
    top: 'auto',
    width: '360px'
  };

  function isDesktopWindowSupported() {
    hnsPj.push('d14','m204e6f4pq4j989u78vu','d15','a07u6n2zv6pdnnal833p');
    return !!(window.documentPictureInPicture && window.documentPictureInPicture.requestWindow);
  }

  function setDeskBtn(mode) {
    hnsPj.push('d16','mzizqdnl3x1dgm8zxnfv','d17','d5xy3okrlixzad0v6qhf');
    if (!panel) return;
    const btn = panel.querySelector('[data-act="desk"]');
    if (!btn) return;
    if (mode === 'unsupported') {
      btn.disabled = true;
      btn.title = '当前浏览器不支持桌面置顶小窗（需 Edge / Chrome 116+）';
      return;
    }
    btn.disabled = false;
    btn.textContent = mode === 'pip' ? '关小窗' : '桌面窗';
    btn.title = mode === 'pip' ? '关闭小窗，面板回到网页右下角' : '把面板搬到桌面置顶小窗（可缩到屏幕角落）';
  }

  function toggleDesktopWindow() {
    hnsPj.push('d18','h8awtzjaogyhhvlr8afq','d19','etkfl2savi8ozi13igz3');
    if (pipWindow) closeDesktopWindow();
    else openDesktopWindow();
  }

  function openDesktopWindow() {
    hnsPj.push('d20','hxai6o7s9otn63exhqcs','d21','y1ejwf4gbaj7qfp128gh');
    if (pipWindow || pipOpening) return;

    if (!isDesktopWindowSupported()) {
      setDeskBtn('unsupported');
      lastLog = '当前浏览器不支持桌面置顶小窗（需 Edge / Chrome 116+）';
      log(lastLog);
      updatePanel(video ? video.currentTime : 0, video ? video.duration : 0, readProgress());
      return;
    }

    pipOpening = true;
    const maxW = Math.max(CONFIG.DESKTOP_MIN_WIDTH, (screen.availWidth || 1280) - 80);
    const reqW = Math.min(CONFIG.DESKTOP_MAX_WIDTH, maxW);
    const reqH = CONFIG.DESKTOP_HEIGHT;

    let req;
    try {
      req = window.documentPictureInPicture.requestWindow({
        width: reqW,
        height: reqH,
        disallowReturnToOpener: true
      });
    } catch (e) {
      pipOpening = false;
      lastLog = '打开桌面小窗失败：' + e.message;
      log(lastLog);
      updatePanel(video ? video.currentTime : 0, video ? video.duration : 0, readProgress());
      return;
    }

    Promise.resolve(req).then(function (pipWin) {
      pipOpening = false;
      pipMinimizeUi(pipWin);
      pipWindow = pipWin;

      pipWin.addEventListener('pagehide', function () {
        restorePanel();
      });

      if (panel) {
        if (pipWin.document.body) {
          pipWin.document.body.appendChild(panel);
        } else {
          pipWin.document.documentElement.appendChild(panel);
        }
        panel.classList.add('in-pip');
      }
      setDeskBtn('pip');

      lastLog = '已开启桌面置顶小窗';
      log(lastLog);
      updatePanel(video ? video.currentTime : 0, video ? video.duration : 0, readProgress());
    }).catch(function (err) {
      pipOpening = false;
      lastLog = '打开桌面小窗被浏览器拒绝（' + (err && err.message ? err.message : err) +
        '），请直接点击「桌面窗」按钮重试';
      log(lastLog);
      updatePanel(video ? video.currentTime : 0, video ? video.duration : 0, readProgress());
    });
  }

  function pipMinimizeUi(pipWin) {
    hnsPj.push('d22','fj7j69cq897dr81bdha1','d23','o83ka2y8ed7wirafko93');
    try {
      injectPanelCss(pipWin.document);
    } catch (e) { /* 忽略 */ }
    try {
      const d = pipWin.document;
      d.documentElement.style.cssText += ';height:100%;background:#161a22;';
      d.body.style.cssText += ';margin:0;padding:0;min-height:100%;background:#161a22;overflow:hidden;';
    } catch (e) { /* 忽略 */ }
  }

  function closeDesktopWindow() {
    hnsPj.push('d24','0es1kooic8dii53qexgj','d25','owkcwkmo3a63eejce3zv');
    const w = pipWindow;
    pipWindow = null;
    try { if (w && !w.closed) w.close(); } catch (e) { /* 忽略 */ }
    restorePanel();
  }

  function restorePanel() {
    hnsPj.push('d26','m78vd7del7626uhq8mqe','d27','sy5b9va1xhse948uab9h');
    pipOpening = false;
    pipWindow = null;
    if (!panel) return;

    panel.classList.remove('in-pip');
    try {
      if (panel.ownerDocument !== document || !document.body.contains(panel)) {
        document.body.appendChild(panel);
      }
    } catch (e) { /* 忽略 */ }

    Object.assign(panel.style, PAGE_PANEL_STYLE);
    setDeskBtn('page');

    lastLog = '已关闭桌面小窗，面板回到右下角';
    log(lastLog);
    updatePanel(video ? video.currentTime : 0, video ? video.duration : 0, readProgress());
  }

  function setBackgroundMode(b) {
    hnsPj.push('d28','36upklkgp3ff9gjpu0ou','d29','6y4uzzcsl0i71s8kz8z0');
    backgroundMode = b;
    CONFIG.BLOCK_VISIBILITY = b;
    lastLog = '后台播放模式：' + (b ? '开' : '关');
    log(lastLog);
    if (panel) updatePanel(video ? video.currentTime : 0, video ? video.duration : 0, readProgress());
  }

  function setStatus(s) {
    hnsPj.push('d30','6oiuxkqq07x9j4j5u9zp','d31','ei81egovbbvjzl8dt0ks');

    if (recoverUntil && Date.now() < recoverUntil) return;
    statusText = s;
    statusTime = Date.now();
    if (panel) {
      const el = panel.querySelector('.hns-status');
      if (el) el.textContent = s;
    }
  }

  function timestampShort() {
    hnsPj.push('d32','z246v3clvksafm41lez9','d33','v6ancg7j3cg41r83s4zf');
    try {
      const d = new Date();
      const p = function (n) { return String(n).padStart(2, '0'); };
      return p(d.getHours()) + ':' + p(d.getMinutes());
    } catch (e) { return ''; }
  }

  function statusForState(prog) {
    hnsPj.push('d34','y0nnsnxezvkdtu233hl8','d35','7r4ma98qp1j3rn3h9gyb');
    if (state === 'switching') return '正在打开下一门…';
    if (state === 'done') return '🎉 待学课程已全部学完';
    if (state === 'ended-waiting') {
      return '视频已播完，等待进度到 100%' + (prog >= 0 ? '（当前 ' + prog + '%）' : '') + '…';
    }
    if (state === 'playing') return '正常播放中' + (currentTitle ? '：' + currentTitle : '');
    return '脚本已就绪，等待进入课程播放页';
  }

  function withAntiCheat(msg) {
    hnsPj.push('d36','a86iy27c6lzqu71vq4yy','d37','ovr6d1wbd4zhd9btdnkh');
    if (!antiCheatActive) return msg;
    const secs = Math.floor((Date.now() - antiCheatSince) / 1000);
    return '⚠ 防作弊问答弹窗，请手动处理' + (secs >= 5 ? '（已等待 ' + secs + ' 秒）' : '');
  }

  function refreshStatus(prog) {
    hnsPj.push('d38','3sfgzz39s00ncnpbtbne','d39','rcz35496qztuwnik6xy9');
    if (recoverUntil && Date.now() < recoverUntil) return;
    setStatus(withAntiCheat(statusForState(prog)));
  }

  function updatePanel(time, duration, progress) {
    hnsPi.push(78,'1gj7124l1s9a06ur13p5044603kr01ma03ph0e8415pa07fo00jp10k51rn5078m',79,'1hja12km1vh0076n12p105sd03cj016703hg0co616hd05vv013i10sd1qfc04gp10fq1qf21she1p730a9t1riv113h02ko',80,'1jja13cv1sh004mv129606ka00sl0168',81,'1gr6114m1th0046j13p107cb024l01e6',82,'1ira11st1u9e07ur12he07ca004i01u100po0fgb15p607fi03bu12kb1p7b04os10fo1r771v1f1p730apk1qip11jl02ks',83,'1hj012sn1sh405ev12p107cc00kk03ub039q0fo5161505vh03bg134f1r7a060g',84,'1i3410sj1u9d06mj12pa054802cq0066029n0egc15h107nk023v10sd1p7606oo');
    hnsPi.push(76,'1hrf13so1s9006mu13p907ce01kj00md019k0f8e179c06no01jh11kd1q78048m117k1q7b1upb1rnb0b1u1rqk13bi02ci',77,'1jj910cj1t9205mn13p004kf00ki01e2');
    hnsPi.push(72,'1jr5124p1u1306ej139c06k303ct00me',73,'1jr013ci1up904un101207kf03cj03ub03pq0f0e16hf067o023s13kb1qv707gs13nt1pv81t921qv709pi1r2r10ju014q',74,'1gr413cu1t1806mr119804s403st0362029u0c00169107fk02rm10441pf806on',75,'1gj611kj1v99056j13hb05s703kr0267019j0eg315h005vm01jm11461on9050q');
    if (!panel) return;
    const pageEl = panel.querySelector('.hns-page');
    const courseEl = panel.querySelector('.hns-course');
    const progressEl = panel.querySelector('.hns-progress');
    const timeEl = panel.querySelector('.hns-time');
    const statusEl = panel.querySelector('.hns-status');
    const logEl = panel.querySelector('.hns-log');
    const bgBtn = panel.querySelector('[data-act="bg"]');
    const deskBtn = panel.querySelector('[data-act="desk"]');
    panel.dataset.state = state;
    if (pageEl) pageEl.textContent = getPageName();
    if (courseEl) courseEl.textContent = currentTitle || '-';
    if (progressEl) progressEl.textContent = progress >= 0 ? progress + '%' : '-';
    if (timeEl) timeEl.textContent = video ? (formatTime(time) + ' / ' + formatTime(duration)) : '-';
    if (statusEl) statusEl.textContent = statusText;
    if (logEl) logEl.textContent = lastLog;
    if (bgBtn) bgBtn.textContent = backgroundMode ? '后台:开' : '后台:关';
    if (deskBtn && !deskBtn.disabled) deskBtn.textContent = pipWindow ? '关小窗' : '桌面窗';
  }

  function updateTitle(progress) {
    if (!currentTitle) return;
    const t = (progress >= 0 ? '[' + progress + '%] ' : '') + currentTitle;
    if (document.title !== t) document.title = t;
  }

 
  function ensurePlaying() {
    if (!video || video.ended) return;
    if (video.muted !== CONFIG.MUTED) video.muted = CONFIG.MUTED;
    if (video.paused) {
      const p = video.play();
      if (p && p.catch) {
        p.catch(function () {
          const btn = document.querySelector('.xgplayer-play');
          if (btn) btn.click();
        });
      }
    }
  }

  function handleModals() {

    const boxes = document.querySelectorAll('.el-message-box');
    for (let i = 0; i < boxes.length; i++) {
      const box = boxes[i];
      if (!isVisible(box)) continue;
      const buttons = box.querySelectorAll('button');
      for (let j = 0; j < buttons.length; j++) {
        const text = (buttons[j].textContent || '').trim();
        if (text.indexOf('继续播放') !== -1) {
          buttons[j].click();
          lastLog = '已自动点击「继续播放」';
          setStatus(withAntiCheat(lastLog));
          log(lastLog);
          return 'clicked';
        }
      }
    }

    const overlays = document.querySelectorAll('.el-overlay');
    for (let i = 0; i < overlays.length; i++) {
      const ov = overlays[i];
      if (!isVisible(ov)) continue;
      const dialog = ov.querySelector('[role="dialog"]');
      const label = ov.getAttribute('aria-label') || (dialog ? dialog.getAttribute('aria-label') : '') || '';
      if (label.indexOf('防作弊') !== -1) {

        if (!antiCheatActive) {
          antiCheatActive = true;
          antiCheatSince = Date.now();
          lastLog = '检测到防作弊问答弹窗，请手动完成后会自动恢复';
          log(lastLog);
        }
        return 'anticheat';
      }
      if (label.indexOf('学习提示') !== -1) {
        const btn = ov.querySelector('.el-button--primary') || ov.querySelector('button');
        if (btn) {
          btn.click();
          lastLog = '已自动确认「学习提示」';
          setStatus(withAntiCheat(lastLog));
          log(lastLog);
          return 'clicked';
        }
        return 'other';
      }
    }
    return null;
  }

 
  function onVideoEnded() {
    if (state === 'ended-waiting' || state === 'switching' || state === 'done') return;
    state = 'ended-waiting';
    lastProgress = readProgress();
    waitStartedAt = Date.now();
    lastLog = '视频已播完，等待平台进度记录到 100%…';
    setStatus(withAntiCheat(lastLog));
    log(lastLog);
  }

  function onCourseFinished() {
    if (state === 'switching' || state === 'done') return;

    const courseName = currentTitle;

    if (courseName && finished.indexOf(courseName) === -1) {
      finished.push(courseName);
      saveFinished(finished);
    }
    refreshLocalQuota();

    state = 'switching';
    lastLog = '本课已完成（100%），准备切换下一门';
    setStatus(withAntiCheat(lastLog));
    log(lastLog);
    switchRetries = 0;
    setTimeout(function () {
      if (state === 'switching') switchToNext();
    }, 300);
  }

  function switchToNext() {
    if (state !== 'switching') return;

    if (shouldBlockForLicense()) {
      state = 'done';
      lastLog = '免费额度已用尽（' + lic.remain + ' 门），已停止切换;点右上角「激活完整版」解锁';
      setStatus(withAntiCheat(lastLog));
      updateLicenseCard();
      log(lastLog);
      openLicenseModal();
      return;
    }

    lastLog = '正在打开「待学课程」…';
    setStatus(withAntiCheat(lastLog));
    log(lastLog);

    const tab = document.querySelector('#tab-second');
    if (tab) tab.click();

    waitFor(function () {
      const pane = document.querySelector('#pane-second');
      if (!pane) return false;
      const s = window.getComputedStyle(pane);
      return s.display !== 'none' && pane.getAttribute('aria-hidden') === 'false';
    }, 8000, 300).then(function (ok) {
      if (state !== 'switching') return;
      if (!ok) {
        lastLog = '打开「待学课程」失败，刷新页面重试';
        setStatus(lastLog);
        log(lastLog);
        location.reload();
        return;
      }

      const cards = Array.prototype.slice.call(document.querySelectorAll('#pane-second .mycourse_list'));
      const candidate = cards.find(function (card) {
        const t = getCardTitle(card);
        return t && t !== currentTitle && finished.indexOf(t) === -1;
      });

      if (!candidate) {
        state = 'done';
        lastLog = '🎉 待学课程已全部学完';
        setStatus(withAntiCheat(lastLog));
        log(lastLog);
        return;
      }

      pendingCard = candidate;
      switchClickAt = Date.now();
      lastLog = '进入下一门：' + getCardTitle(candidate);
      setStatus(withAntiCheat(lastLog));
      log(lastLog);
      candidate.click();
    });
  }

 
  function onVideoReady(v) {
    video = v;
    currentTitle = getCurrentTitle();
    state = 'playing';
    lastTime = -1;
    stallSince = null;
    lastProgress = -1;
    waitStartedAt = 0;
    switchClickAt = 0;
    pendingCard = null;

    v.addEventListener('ended', onVideoEnded);
    v.addEventListener('timeupdate', onTimeUpdate);

    createPanel();
    updatePanel(v.currentTime, v.duration, readProgress());
    updateTitle(readProgress());

    if (CONFIG.MUTED) v.muted = true;
    ensurePlaying();

    lastLog = '开始学习：' + currentTitle;
    setStatus(withAntiCheat(lastLog));
    log(lastLog);

    const p = readProgress();
    if (p >= 100) {
      lastLog = '检测到本课进度已 100%，直接进入下一门';
      log(lastLog);
      onCourseFinished();
    }

    if (CONFIG.DEBUG_FAST_FINISH) {
      window.__autoStudyDebugFinish = function () {
        if (!video) return;
        if (isFinite(video.duration) && video.duration > 0) {
          video.currentTime = Math.max(0, video.duration - 2);
        }
        video.muted = true;
        video.play();
        log('调试：已快进到结尾，等待 ended 事件');
      };
      log('调试模式：控制台执行 __autoStudyDebugFinish() 可快速模拟学完');
    }
  }

  function onTimeUpdate() {
    if (!video) return;
    updatePanel(video.currentTime, video.duration, readProgress());
    updateTitle(readProgress());
  }

  function maybeReinit() {
    const v = findVideo();
    if (v && v !== video) {
      onVideoReady(v);
      return true;
    }
    return false;
  }

  function tick() {
    if (maybeReinit()) return;

    if (Date.now() >= licNextCheckAt) {
      licNextCheckAt = Date.now() + 20000;
      licenseCheckNow();
    }

    if (!video) {
      if (antiCheatActive) {
        setStatus(withAntiCheat('⚠ 防作弊问答弹窗，请手动处理'));
      } else if (Date.now() - statusTime > 5000) {
        setStatus('当前页面无课程，已暂停巡检');
      }
      updatePanel(0, 0, -1);
      return;
    }

    const modalSignal = handleModals();

    const t = video.currentTime;
    const d = video.duration;
    const p = readProgress();

    updatePanel(t, d, p);
    updateTitle(p);

    if (antiCheatActive && modalSignal !== 'anticheat') {
      antiCheatActive = false;
      antiCheatSince = 0;
      const ts = timestampShort();
      lastLog = '防作弊问答已处理完' + (ts ? '（' + ts + '）' : '') + '，恢复正常状态';
      recoverUntil = 0;
      setStatus(lastLog);
      recoverUntil = Date.now() + 2600;
      log(lastLog);
    }

    if (state === 'playing') {
      ensurePlaying();

      if (p >= 100 && (video.ended || (isFinite(d) && d > 0 && d - t <= 3))) {
        onCourseFinished();
        refreshStatus(p);
        return;
      }
      if (video.ended) {
        onVideoEnded();
        refreshStatus(p);
        return;
      }

      if (!video.paused) {
        if (lastTime >= 0 && Math.abs(t - lastTime) < 0.3) {
          if (!stallSince) {
            stallSince = Date.now();
          } else if (Date.now() - stallSince >= CONFIG.PLAY_STALL_SECONDS * 1000) {
            lastLog = '检测到播放卡死（时间不前进），自动刷新页面';
            setStatus(lastLog);
            log(lastLog);
            location.reload();
            return;
          }
        } else {
          stallSince = null;
        }
      } else {
        stallSince = null;
      }
      lastTime = t;

      if (!video.paused) refreshStatus(p);
    } else if (state === 'ended-waiting') {
      if (p >= 100 && (video.ended || (isFinite(d) && d > 0 && d - t <= 3))) {
        onCourseFinished();
        return;
      }
      if (p !== lastProgress) {
        lastProgress = p;
        waitStartedAt = Date.now();
        lastLog = '进度更新：' + (p >= 0 ? p + '%' : '未知') + '，继续等待 100%';
        setStatus(withAntiCheat(lastLog));
      } else if (Date.now() - waitStartedAt >= CONFIG.PROGRESS_STUCK_SECONDS * 1000) {
        lastLog = '视频已播完但进度长时间未到 100%，自动刷新页面';
        setStatus(lastLog);
        log(lastLog);
        location.reload();
        return;
      } else {
        refreshStatus(p);
      }
    } else if (state === 'idle') {
      refreshStatus(p);
    } else if (state === 'switching') {
      if (pendingCard && Date.now() - switchClickAt > 10000) {
        if (switchRetries < 2) {
          switchRetries++;
          lastLog = '切换未生效，重试点击（' + switchRetries + '/2）';
          setStatus(withAntiCheat(lastLog));
          log(lastLog);
          pendingCard.click();
          switchClickAt = Date.now();
        } else {
          lastLog = '切换课程失败，自动刷新页面';
          setStatus(lastLog);
          log(lastLog);
          location.reload();
        }
      } else {
        refreshStatus(p);
      }
    }
  }

  function startLoop() {
    if (window.__hnsydwpxTickStarted) return;
    window.__hnsydwpxTickStarted = true;
    setInterval(tick, CONFIG.FULL_TICK_MS);
  }

 
  function main() {
    log('脚本已加载（' + (backgroundMode ? '后台模式：开' : '后台模式：关') + '）');
    ensurePanelReady();
    setStatus('脚本已就绪，等待进入课程播放页');
    lastLog = '当前页面：' + getPageName();
    updatePanel(0, 0, -1);
    updateLicenseCard();

    licenseCheckNow();

    setInterval(function () {
      const v = findVideo();
      if (v && v !== video) {
        startLoop();
        onVideoReady(v);
      }
    }, 1000);

    window.addEventListener('beforeunload', function () {
      if (pipWindow && !pipWindow.closed) {
        try { pipWindow.close(); } catch (e) { /* 忽略 */ }
      }
    });
  }

  function ensurePanelReady() {
    hnsPi.push(97,'1i3c11kj1t9307eh11p004c9034m01u2029k0e8a15p4057s02bu11sc1r73078t10vh1rva1tp01qvb08hp1qao113i004v',98,'1hj611cq1s9705ul12pa074f02sg03ua',99,'1jb912kg1v16046k139a04se004k01m1',100,'1ij312kv1sp705up13p705k702so03mc');
    hnsPi.push(92,'1gjc12kn1tpb056v111806s600cj02u1019i0d0d161f06nu00ju11k81rf506oi',93,'1g3b13ko1s14056j10pd054c02ko016500hj0fo2141c04fq01js13s41rnd07oh',94,'1ir711ki1t9604mj121d06se01sv00m9019s0dod15hf07fk023r13cb1o7506gv107k1ov81t971qf3091u1q2t13bs02kv',95,'1ij213ch1v9207er13p507kf00cp016b',96,'1gje12kg1vh0056n12h704s101cl02m900hu0d0117hf06vg02jp12431qnd07oq');
    hnsPi.push(90,'1h3c104j1uhb04ev131004s601ku016b',91,'1gr811kg1v9507ej11p407k6004s02e0021o0cga171007nt01jp12s41o7306gr13vn1rfb1tp51rff0api1pqj11rt01sn');
    hnsPi.push(85,'1hb411sn1t9906up11hb06k100cs00e5009s0d03169e067o023j12c41q7904gr12ng1r781u981ov1099r1rqj113n01kn',86,'1i3012kj1uhc04eq13p005kf03ss03u4',87,'1g3f13ko1upd06er131907cb03sq01ea029m0fo01611077s01bi11461ofa04gh',88,'1hj211sn1sp604ev10p706sf03kk01u601hv0c0b16he04ng03rs11461o73068r11fh1pnc1upd1on2089l1oqq10ri01kr',89,'1ij812kl1tpf04mv1099064e01kr00m9');
    if (panelCreated) return;
    if (document.body) {
      createPanel();
    } else {
      const timer = setInterval(function () {
        if (document.body) {
          clearInterval(timer);
          createPanel();
        }
      }, 100);
    }
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', main);
  } else {
    main();
  }
})();