// ==UserScript==
// @name          江西继续医学教育-北京健康在线-好医生继续医学教育课助手
// @version       2.0.2
// @description   好医生课程视频倍速与跳过，考试自动答题并自动切换下一节（含深度 Firefox UA 伪装、自动点击历史进度、悬浮窗底行实时动作显示、倍速持久锁定）。
// @license       MIT
// @match         *://cme.haoyisheng.com/cme/*
// @match         *://bjsqypx.haoyisheng.com/qypx/bj/*
// @match         *://*.cmechina.net/cme/*
// @match         *://*.bokecc.com/*
// @match         *://*.polyv.net/*
// @match         *://*.polyv.cn/*
// @author        wkds995
// @run-at        document-start
// @grant         unsafeWindow
// @grant         GM_addStyle
// @grant         GM_getValue
// @grant         GM_setValue
// @grant         GM_deleteValue
// @grant         GM_listValues
// @grant         GM_openInTab
// @grant         GM_notification
// @grant         GM_xmlhttpRequest
// ==/UserScript==
 
(function () {
    'use strict';
 
    // 1. 深度 UA 伪装（全自包含函数，防止作用域变量未定义报错）
    function applySpoofing() {
        var chromeUA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36";
        var targetNav = typeof navigator !== 'undefined' ? navigator : null;
        if (!targetNav) return;
        try {
            var proto = Object.getPrototypeOf(targetNav);
            var def = function (prop, val) {
                try {
                    Object.defineProperty(proto, prop, { get: function () { return val; }, configurable: true });
                } catch (e) {
                    try {
                        Object.defineProperty(targetNav, prop, { get: function () { return val; }, configurable: true });
                    } catch (err) {}
                }
            };
            def('userAgent', chromeUA);
            def('appVersion', chromeUA.substring(8));
            def('vendor', 'Google Inc.');
            def('platform', 'Win32');
 
            if (!('userAgentData' in targetNav)) {
                var uad = {
                    brands: [
                        { brand: "Chromium", version: "128" },
                        { brand: "Not;A=Brand", version: "24" },
                        { brand: "Google Chrome", version: "128" }
                    ],
                    mobile: false,
                    platform: "Windows"
                };
                def('userAgentData', uad);
            }
        } catch (e) {}
    }
 
    applySpoofing();
    if (typeof unsafeWindow !== 'undefined' && unsafeWindow.navigator) {
        applySpoofing.call(unsafeWindow);
    }
 
    try {
        var scriptNode = document.createElement('script');
        scriptNode.textContent = '(' + applySpoofing.toString() + ')();';
        (document.head || document.documentElement).appendChild(scriptNode);
        scriptNode.remove();
    } catch (e) {}
 
    // 第三方播放器域（bokecc / polyv）完成 UA 伪装后即终止主 UI 挂载
    var host = location.hostname;
    if (host.indexOf('bokecc.com') !== -1 || host.indexOf('polyv') !== -1) {
        return;
    }
 
    // 2. 主页面挂载与业务逻辑
    function initMainScript() {
        try {
            delete document.querySelector;
            delete document.querySelectorAll;
            document.querySelector = Document.prototype.querySelector.bind(document);
            document.querySelectorAll = Document.prototype.querySelectorAll.bind(document);
        } catch (e) {}
 
        var $ = function (s, root) {
            root = root || document;
            try { return (root instanceof Document ? Document.prototype.querySelector : Element.prototype.querySelector).call(root, s); }
            catch (e) { return root.querySelector ? root.querySelector(s) : null; }
        };
        var $$ = function (s, root) {
            root = root || document;
            try { return Array.from((root instanceof Document ? Document.prototype.querySelectorAll : Element.prototype.querySelectorAll).call(root, s)); }
            catch (e) { return Array.from(root.querySelectorAll ? root.querySelectorAll(s) : []); }
        };
 
        function addStyle(id, tag, css) {
            tag = tag || 'style';
            css = css || '';
            var old = $('#' + id);
            if (old) old.remove();
            var style = document.createElement(tag);
            style.id = id;
            if (tag === 'style') {
                style.innerHTML = css;
            } else {
                style.rel = 'stylesheet';
                style.href = css;
            }
            (document.head || document.body || document.documentElement).appendChild(style);
        }
 
 
        var getUrlParams = function (name) { return new URLSearchParams(window.location.search).get(name); };
        var getLastUrlPath = function () { return window.location.pathname.split('/').pop(); };
        var lastPath = getLastUrlPath();
 
        if (typeof unsafeWindow !== 'undefined') {
            var rawAlert = unsafeWindow.alert;
            unsafeWindow.alert = function (msg) {
                if (typeof msg === 'string' && (msg.indexOf("看完课件") !== -1 || msg.indexOf("选修课程") !== -1 || msg.indexOf("暂无") !== -1)) {
                    console.log("[拦截弹窗] 成功阻止阻断弹窗:", msg);
                    return;
                }
                return rawAlert ? rawAlert.apply(this, arguments) : undefined;
            };
        }
 
        function setBottomStatus(text, color) {
            color = color || '#38bdf8';
            var el = $('#hys-bottom-status');
            if (el) { el.innerText = text; el.style.color = color; }
        }
 
        var countdownTimer = null;
        var isFlowing = false;
 
        function startCountdown(seconds, tipText, onComplete, cancelCondition) {
            if (countdownTimer) clearInterval(countdownTimer);
            var remain = seconds;
 
            var updateTip = function () {
                var tipEl = $('#hys-remain-tip');
                var statusText = remain + 's后' + tipText;
                if (tipEl) { tipEl.innerText = statusText; tipEl.style.color = '#facc15'; }
                setBottomStatus('⏱️ ' + statusText, '#facc15');
            };
 
            updateTip();
            countdownTimer = setInterval(function () {
                if (cancelCondition && cancelCondition()) {
                    clearInterval(countdownTimer);
                    countdownTimer = null;
                    var tipEl = $('#hys-remain-tip');
                    if (tipEl) { tipEl.innerText = "已取消跳转"; tipEl.style.color = '#94a3b8'; }
                    setBottomStatus("⏸️ 已取消自动跳转", '#94a3b8');
                    isFlowing = false;
                    return;
                }
                remain--;
                if (remain > 0) {
                    updateTip();
                } else {
                    clearInterval(countdownTimer);
                    countdownTimer = null;
                    onComplete();
                }
            }, 1000);
        }
 
        function stopCountdown(resetTipText) {
            if (countdownTimer) { clearInterval(countdownTimer); countdownTimer = null; }
            isFlowing = false;
            var tipEl = $('#hys-remain-tip');
            if (tipEl && resetTipText) { tipEl.innerText = resetTipText; tipEl.style.color = '#94a3b8'; }
            setBottomStatus(resetTipText || "挂机中", '#94a3b8');
        }
 
        function doSafeJump(url) {
            if (!url) return;
            var urlObj = new URL(url, window.location.href);
            urlObj.searchParams.set('_t', Date.now().toString());
            window.location.href = urlObj.href;
        }
 
        function refreshRightSectionStatus() {
            try {
                var cleanUrl = location.pathname + location.search.replace(/&_t=\d+/g, '') + '&_t=' + Date.now();
                fetch(cleanUrl, { cache: 'no-store' }).then(function (res) {
                    if (!res.ok) return;
                    return res.text();
                }).then(function (html) {
                    if (!html) return;
                    var doc = new DOMParser().parseFromString(html, 'text/html');
                    ['#s_r_ml', '.s_r_bts'].forEach(function (sel) {
                        var newEl = doc.querySelector(sel), oldEl = $(sel);
                        if (newEl && oldEl) oldEl.innerHTML = newEl.innerHTML;
                    });
                }).catch(function () {});
            } catch (e) {}
        }
 
        var getNextChoice = function (str) { return str === 'E' ? 'A' : String.fromCharCode(str.charCodeAt(0) + 1); };
        function getNextMultipleChoice(str) {
            var dic = ['ABCDE', 'BCDE', 'ACDE', 'ABDE', 'ABCE', 'ABCD', 'CDE', 'BDE', 'BCE', 'BCD', 'ADE', 'ACE', 'ACD', 'ABE', 'ABD', 'ABC', 'DE', 'CE', 'CD', 'BE', 'BD', 'BC', 'AE', 'AD', 'AC', 'AB', 'E', 'D', 'C', 'B', 'A'];
            var idx = dic.indexOf(str);
            return idx === dic.length - 1 ? dic[0] : dic[idx + 1];
        }
 
        function executeFormSubmit() {
            setBottomStatus('📤 正在提交考卷...', '#facc15');
            var form = $('form[name="form1"]') || $('form');
            if (!form) return;
            form.removeAttribute('target');
 
            if (typeof unsafeWindow !== 'undefined' && typeof unsafeWindow.doSubmit === 'function') {
                try { unsafeWindow.doSubmit(); return; } catch (e) {}
            }
 
            var tjkj = $('#tjkj') || $('.exam_btn a, .btn1');
            if (tjkj) {
                try {
                    tjkj.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true }));
                    tjkj.click();
                } catch (e) {}
            }
 
            setTimeout(function () {
                try { HTMLFormElement.prototype.submit.call(form); } catch (e) { try { form.submit(); } catch (err) {} }
            }, 300);
        }
 
        if (lastPath === 'exam.jsp') {
            setTimeout(function () {
                var txt = document.body ? document.body.innerText : "";
                if (["已通过考试", "考试已通过", "已完成本节考试"].some(function (k) { return txt.indexOf(k) !== -1; })) {
                    setBottomStatus('✅ 考卷已通过，正在返回...', '#4ade80');
                    var cId = getUrlParams('course_id'), pId = getUrlParams('paper_id');
                    if (cId) doSafeJump('study2.jsp?course_id=' + cId + '&courseware_id=' + (pId || '01'));
                }
            }, 500);
 
            var getQuestionsList = function () { return $$('.exam_list > li, .kaoshi dl'); };
            var autoSelectAnswer = function (answerArray) {
                var indexMap = { 'A': 0, 'B': 1, 'C': 2, 'D': 3, 'E': 4 };
                var qusListInput = $('input[name="ques_list"]');
 
                if (qusListInput && qusListInput.value) {
                    var qusIds = qusListInput.value.split(',').map(function (s) { return s.trim(); }).filter(Boolean);
                    qusIds.forEach(function (qid, i) {
                        var answer = answerArray[i] || 'A';
                        $$('input[name="ques_' + qid + '"]').forEach(function (input, idx) {
                            var val = input.value ? input.value.trim().toUpperCase() : '';
                            if ((val && answer.indexOf(val) !== -1) || idx === indexMap[answer]) {
                                input.checked = true;
                                try { input.click(); } catch(e) {}
                                input.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true }));
                                input.dispatchEvent(new Event('change', { bubbles: true }));
                            }
                        });
                    });
                    return;
                }
 
                getQuestionsList().forEach(function (qBox, i) {
                    var answer = answerArray[i] || 'A';
                    $$('input[type="radio"], input[type="checkbox"]', qBox).forEach(function (input, idx) {
                        var val = input.value ? input.value.trim().toUpperCase() : '';
                        if ((val && answer.indexOf(val) !== -1) || idx === indexMap[answer]) {
                            input.checked = true;
                            try { input.click(); } catch(e) {}
                            input.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true }));
                            input.dispatchEvent(new Event('change', { bubbles: true }));
                        }
                    });
                });
            };
 
            var startAutoExamFlow = function () {
                setBottomStatus('✍️ 正在全自动答题中...', '#38bdf8');
                var cId = getUrlParams('course_id'), pId = getUrlParams('paper_id');
                var examKey = 'correct_ans_' + cId + '_' + pId;
                var cachedAns = localStorage.getItem(examKey);
 
                if (cachedAns) {
                    autoSelectAnswer(JSON.parse(cachedAns));
                    localStorage.removeItem(examKey);
                    setTimeout(executeFormSubmit, 800);
                    return;
                }
 
                var questionsList = getQuestionsList();
                autoSelectAnswer(new Array(questionsList.length || 10).fill('ABCDE'));
 
                setTimeout(function () {
                    if (!$('input[type="radio"]:checked, input[type="checkbox"]:checked')) {
                        $$('input[type="radio"]').forEach(function (r, idx) {
                            if (idx % 5 === 0) { r.checked = true; r.click(); }
                        });
                    }
                    executeFormSubmit();
                }, 600);
            }
 
            var examBtn = document.createElement('button');
            examBtn.innerText = '⚡ 考试全自动答题';
            examBtn.id = 'exam_skip_btn';
            examBtn.style.cssText = 'position:absolute;z-index:9999;top:55px;right:150px;padding:8px 16px;cursor:pointer;background:#2563eb;color:#fff;border-radius:10px;box-shadow:0px 0px 12px rgba(0,0,0,.12);border:none;';
            examBtn.addEventListener('click', startAutoExamFlow);
            var container = $('.main') || $('.content');
            if (container) container.appendChild(examBtn);
 
            var autoFired = false;
            var examCheckTimer = setInterval(function () {
                var list = getQuestionsList();
                var qusListInput = $('input[name="ques_list"]');
                if ((list && list.length > 0) || (qusListInput && qusListInput.value)) {
                    clearInterval(examCheckTimer);
                    if (!autoFired && localStorage.getItem('script_auto_exam') !== 'false') {
                        autoFired = true;
                        setTimeout(startAutoExamFlow, 800);
                    }
                } else {
                    var startBtn = $$('button, a, input[type="button"], .btn').find(function (btn) {
                        var txt = btn.value || btn.innerText || btn.textContent || "";
                        return ["开始考试", "立即考试", "确认并开始", "开始答题", "本节考试"].some(function (k) { return txt.indexOf(k) !== -1; });
                    });
                    if (startBtn) {
                        startBtn.scrollIntoView({ behavior: 'instant', block: 'center' });
                        startBtn.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true }));
                        try { startBtn.click(); } catch (e) {}
                    }
                }
            }, 500);
            return;
        }
 
        if (lastPath === 'examQuizFail.jsp') {
            var nowAnswerStr = (window.location.search.split('ansList=')[1] || '').split('&')[0] || '';
            var nowAnswerList = nowAnswerStr.split(',');
            var answersList = $$('.answer_list h3');
            var finished = true;
 
            for (var i = 0; i < answersList.length; i++) {
                if (answersList[i].className.indexOf('cuo') !== -1) {
                    finished = false;
                    nowAnswerList[i] = nowAnswerList[i].length === 1 ? getNextChoice(nowAnswerList[i]) : getNextMultipleChoice(nowAnswerList[i]);
                    window.location.href = window.location.href.replace(nowAnswerStr, nowAnswerList.join(','));
                    break;
                }
            }
 
            if (finished) {
                var course_id = getUrlParams('course_id'), paper_id = getUrlParams('paper_id');
                localStorage.setItem('correct_ans_' + course_id + '_' + paper_id, JSON.stringify(nowAnswerList));
                var cxdt = $('#cxdt') || $('.show_exam_btns a');
                var backExamUrl = cxdt ? cxdt.href : ('exam.jsp?course_id=' + course_id + '&paper_id=' + paper_id + '&type=7');
                setTimeout(function () { doSafeJump(backExamUrl); }, 500);
            }
            return;
        }
 
        if (lastPath === 'examQuizPass.jsp') {
            var pass_course_id = getUrlParams('course_id'), pass_paper_id = getUrlParams('paper_id');
            var passTarget = (pass_course_id && pass_paper_id) ? ('study2.jsp?course_id=' + pass_course_id + '&courseware_id=' + pass_paper_id)
                       : (pass_course_id ? ('course.jsp?course_id=' + pass_course_id)
                       : $('.show_exam_btns a, a[href*="course.jsp"], a[href*="study2.jsp"]')?.href);
            if (passTarget) setTimeout(function () { doSafeJump(passTarget); }, 1800);
            return;
        }
 
        if (lastPath === 'course.jsp' || lastPath === 'subject2.jsp') {
            var checkCount = 0;
            var checkInterval = setInterval(function () {
                try {
                    var items = $$('li.course_list');
                    var targetLink = items.map(function (li) { return $('span.wxx', li) ? $('a[onclick*="kjJumpTo"]', li) : null; }).find(Boolean)
                                 || items.map(function (li) { return (li.innerText || "").indexOf("待考试") !== -1 ? $('a[onclick*="kjJumpTo"]', li) : null; }).find(Boolean);
 
                    if (targetLink) {
                        clearInterval(checkInterval);
                        var m = (targetLink.getAttribute('onclick') || '').match(/kjJumpTo\s*\(\s*['"]([^'"]+)['"]/);
                        var targetUrl = m && m[1] ? m[1].replace(/&amp;/g, '&') : '';
                        targetUrl ? doSafeJump(targetUrl) : targetLink.click();
                    } else if (++checkCount >= 15) {
                        clearInterval(checkInterval);
                    }
                } catch (e) {}
            }, 1000);
            return;
        }
 
        // 播放引擎与挂机调度
        var fuckingPlayer = null;
        var getStudyMode = function () { return localStorage.getItem('study_mode') === 'skip' ? 'skip' : 'rate'; };
        var getTargetRate = function () {
            var rate = parseFloat(localStorage.getItem('play_back_rate'));
            return (!isNaN(rate) && rate >= 1 && rate <= 16) ? rate : 6;
        };
 
        function triggerRealisticClick(el) {
            if (!el) return;
            ['pointerdown', 'mousedown', 'pointerup', 'mouseup', 'click'].forEach(function (evtType) {
                try { el.dispatchEvent(new MouseEvent(evtType, { bubbles: true, cancelable: true, composed: true })); } catch (err) {}
            });
            try { el.click(); } catch (e) {}
        }
 
        var lastResumeClickTime = 0;
        function autoClickResumeHistory() {
            var now = Date.now();
            if (now - lastResumeClickTime < 3000) return;
 
            var jumpInto = $('#ccH5jumpInto, [id*="jumpInto"]');
            if (jumpInto && jumpInto.offsetParent !== null) {
                var text = (jumpInto.innerText || "").trim();
                if (text.indexOf("点击继续") !== -1 || text.indexOf("上次观看到") !== -1) {
                    lastResumeClickTime = now;
                    var childBtn = $('a, span, button', jumpInto);
                    triggerRealisticClick(childBtn || jumpInto);
                    try { jumpInto.style.display = 'none'; } catch (e) {}
                    setBottomStatus('⏩ 已自动恢复历史播放进度', '#4ade80');
                }
            }
        }
 
        var lastPlayCallTime = 0;
        function forceStartVideoPlay(video) {
            var now = Date.now();
            if (now - lastPlayCallTime < 1500) return;
            lastPlayCallTime = now;
 
            if (!video) video = $('video, .pv-video');
            if (video) {
                video.muted = video.defaultMuted = true;
                video.volume = 0;
                ['muted', 'autoplay', 'playsinline'].forEach(function (a) { video.setAttribute(a, 'true'); });
                video.play()?.catch?.(function () {});
            }
 
            var player = unsafeWindow.cc_js_Player || unsafeWindow.player || fuckingPlayer;
            if (player) {
                try { player.setVolume?.(0); } catch (e) {}
                try { player.play?.(); } catch (e) {}
                try { player.j2s_resumeVideo?.(); } catch (e) {}
            }
 
            setTimeout(function () {
                if (video && video.paused) {
                    [$('#replaybtn'), $('.ccH5PlayBtn:not([style*="display: none"])'), $('.ccH5PlayBtn2:not([style*="display: none"])')].forEach(function (btn) { triggerRealisticClick(btn); });
                }
                autoClickResumeHistory();
            }, 120);
        }
 
        document.addEventListener('click', function () {
            var v = $('video, .pv-video');
            if (v && v.paused && getStudyMode() === 'rate') forceStartVideoPlay(v);
        }, { capture: true, passive: true });
 
        function executeInstantSkip() {
            if (getStudyMode() !== 'skip') return;
            setBottomStatus('⚡ 正在执行秒过跳尾...', '#38bdf8');
 
            var video = $('video, .pv-video');
            var player = unsafeWindow.cc_js_Player || unsafeWindow.player || fuckingPlayer;
 
            var duration = player?.getDuration?.() || video?.duration || 0;
            if (isNaN(duration) || duration <= 0) duration = 0;
            var targetTime = duration > 1 ? duration - 0.5 : 999999;
 
            if (video) { video.playbackRate = 1; video.muted = true; video.volume = 0; }
            if (player) {
                try { player.setVolume?.(0); player.seek?.(targetTime); player.jumpToTime?.(targetTime); player.play?.(); } catch (e) {}
            }
            if (video && video.duration && !isNaN(video.duration)) {
                try { video.currentTime = Math.max(0, video.duration - 0.5); } catch (e) {}
            }
 
            if (typeof unsafeWindow !== 'undefined') {
                try {
                    if (unsafeWindow.see) localStorage.setItem(unsafeWindow.see, '1');
                    if (unsafeWindow.see2) localStorage.setItem(unsafeWindow.see2, String(duration));
                    localStorage.setItem('see', '1');
                    localStorage.setItem('see2', String(duration));
                    unsafeWindow.questionIsOk = true;
                    unsafeWindow.playEnd?.();
                    unsafeWindow.updatePlayStatus?.(5);
                } catch (e) {}
            }
            forceStartVideoPlay(video);
        }
 
        function bindVideoRateLock(video) {
            if (!video || video.__rateLocked) return;
            video.__rateLocked = true;
 
            var enforceRate = function () {
                if (getStudyMode() !== 'rate') {
                    if (video.playbackRate !== 1) video.playbackRate = 1;
                    return;
                }
                var target = getTargetRate();
                if (Math.abs(video.playbackRate - target) > 0.05) video.playbackRate = target;
            };
 
            ['play', 'playing', 'loadedmetadata', 'canplay'].forEach(function (evt) { video.addEventListener(evt, enforceRate); });
            try {
                if (unsafeWindow.player && unsafeWindow.player.params) unsafeWindow.player.params.rate_allow_change = true;
                if (unsafeWindow.cc_js_Player && unsafeWindow.cc_js_Player.params) unsafeWindow.cc_js_Player.params.rate_allow_change = true;
            } catch (e) {}
        }
 
        setInterval(function () {
            var targetRate = getStudyMode() === 'rate' ? getTargetRate() : 1;
            $$('video, .pv-video').forEach(function (v) {
                bindVideoRateLock(v);
                if (Math.abs(v.playbackRate - targetRate) > 0.05) v.playbackRate = targetRate;
            });
        }, 1000);
 
        function directGotoExam() {
            setBottomStatus('📝 正在调起考场...', '#facc15');
            if (typeof unsafeWindow !== 'undefined') {
                if (unsafeWindow.see) localStorage.setItem(unsafeWindow.see, '1');
                unsafeWindow.questionIsOk = true;
            }
 
            var cId = getUrlParams('course_id') || unsafeWindow?.course_id;
            var wId = getUrlParams('courseware_id') || unsafeWindow?.courseware_id;
 
            if (typeof unsafeWindow !== 'undefined' && typeof unsafeWindow.gotoExam === 'function') {
                try { unsafeWindow.gotoExam(); return; } catch (e) {}
            }
            if (cId && wId) doSafeJump('exam.jsp?course_id=' + cId + '&paper_id=' + wId + '&type=7');
        }
 
        function getNextUnfinishedTarget(activeLi) {
            var allItems = $$('#s_r_ml li, .s_r_ml li');
            var currentIdx = allItems.indexOf(activeLi);
            var isFinished = function (txt) { return ["考试通过", "已完成", "已通过"].some(function (k) { return txt.indexOf(k) !== -1; }); };
 
            var targetLi = allItems.slice(currentIdx + 1).find(function (li) { return !isFinished(($('i', li)?.innerText || li.innerText || "").trim()); })
                        || allItems.filter(function (_, idx) { return idx !== currentIdx; }).find(function (li) { return !isFinished(($('i', li)?.innerText || li.innerText || "").trim()); });
 
            if (targetLi) {
                var a = $('a', targetLi);
                var targetUrl = '';
                if (a) {
                    var m = (a.getAttribute('onclick') || '').match(/kjJumpTo\s*\(\s*['"]([^'"]+)['"]/);
                    if (m && m[1]) targetUrl = m[1].replace(/&amp;/g, '&');
                    if (!targetUrl && a.href && !a.href.startsWith('javascript:')) targetUrl = a.href;
                }
                return { targetLi: targetLi, a: a, targetUrl: targetUrl };
            }
            return null;
        }
 
        function getSectionRealStatus(activeLi) {
            var txt = ($('i', activeLi)?.innerText || activeLi.innerText || "").trim();
            if (["考试通过", "已完成", "已通过"].some(function (k) { return txt.indexOf(k) !== -1; })) return 'PASSED';
            if (txt.indexOf("待考试") !== -1) return 'NEED_EXAM';
            return 'LEARNING';
        }
 
        function handleMainFlow() {
            if (isFlowing) return;
            var activeLi = $('#s_r_ml li.active, .s_r_ml li.active');
            if (!activeLi) return;
 
            autoClickResumeHistory();
            var currentStatus = getSectionRealStatus(activeLi);
 
            if (currentStatus === 'PASSED') {
                var nextInfo = getNextUnfinishedTarget(activeLi);
                if (nextInfo) {
                    isFlowing = true;
                    startCountdown(3, "切下一小节", function () {
                        nextInfo.targetUrl ? doSafeJump(nextInfo.targetUrl) : nextInfo.a?.click();
                    });
                } else {
                    var tipEl = $('#hys-remain-tip');
                    if (tipEl) { tipEl.innerText = "全部完成"; tipEl.style.color = '#4ade80'; }
                    setBottomStatus('🏆 本课程全部小节已通关！', '#4ade80');
                }
                return;
            }
 
            if (currentStatus === 'NEED_EXAM') {
                if (localStorage.getItem('script_auto_exam') !== 'false') {
                    isFlowing = true;
                    startCountdown(3, "进入考试", directGotoExam, function () { return localStorage.getItem('script_auto_exam') === 'false'; });
                } else {
                    var nextInfo2 = getNextUnfinishedTarget(activeLi);
                    if (nextInfo2) {
                        isFlowing = true;
                        startCountdown(3, "跳过考试切下节", function () {
                            nextInfo2.targetUrl ? doSafeJump(nextInfo2.targetUrl) : nextInfo2.a?.click();
                        });
                    }
                }
                return;
            }
 
            var video = $('video, .pv-video');
            if (!video) return;
 
            if (!video.ended && (video.duration <= 0 || video.currentTime < video.duration - 1)) {
                if (getStudyMode() === 'skip') {
                    executeInstantSkip();
                } else {
                    var isBuffering = (video.readyState < 2 || video.seeking);
                    if (video.paused) {
                        if (!isBuffering) { setBottomStatus('⏸️ 模拟点击唤醒播放中...', '#facc15'); forceStartVideoPlay(video); }
                        else setBottomStatus('⏳ 视频高倍速缓冲中...', '#38bdf8');
                    } else {
                        setBottomStatus(isBuffering ? '⏳ 网络缓冲加载中...' : ('▶ 正在倍速播放中 (' + getTargetRate() + 'x)'), isBuffering ? '#38bdf8' : '#4ade80');
                    }
                }
            } else if (!isFlowing && video.duration > 15 && video.currentTime >= video.duration - 1) {
                isFlowing = true;
                setBottomStatus('✅ 本节学时已达标！', '#4ade80');
 
                if (unsafeWindow && unsafeWindow.see) {
                    localStorage.setItem(unsafeWindow.see, '1');
                    unsafeWindow.questionIsOk = true;
                }
 
                if (localStorage.getItem('script_auto_exam') !== 'false') {
                    startCountdown(3, "进入考试", directGotoExam, function () { return localStorage.getItem('script_auto_exam') === 'false'; });
                } else {
                    var nextInfo3 = getNextUnfinishedTarget(activeLi);
                    if (nextInfo3) {
                        startCountdown(3, "切下一节", function () {
                            nextInfo3.targetUrl ? doSafeJump(nextInfo3.targetUrl) : nextInfo3.a?.click();
                        });
                    } else doSafeJump(window.location.href);
                }
            }
        }
 
        setInterval(handleMainFlow, 1000);
 
        function createModernAssistantUI() {
            var uiCss = '#hys-assistant-panel { position: fixed; top: 60px; right: 20px; width: 215px; background: rgba(22, 24, 30, 0.95); backdrop-filter: blur(14px); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 10px; box-shadow: 0 10px 26px rgba(0,0,0,0.6); color: #e5e7eb; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 11px; z-index: 999999; padding: 10px 12px; user-select: none; box-sizing: border-box; }' +
                '.hys-header { display: flex; align-items: center; justify-content: space-between; cursor: move; padding-bottom: 7px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }' +
                '.hys-header-left { display: flex; align-items: center; font-weight: 600; font-size: 12px; color: #ffffff; }' +
                '.hys-status-dot { width: 7px; height: 7px; background-color: #22c55e; border-radius: 50%; margin-right: 6px; box-shadow: 0 0 8px #22c55e; animation: hys-pulse 2s infinite; }' +
                '@keyframes hys-pulse { 0%, 100% { opacity: 0.6; transform: scale(0.95); } 50% { opacity: 1; transform: scale(1.1); } }' +
                '.hys-header-right { color: #4ade80; font-size: 11px; font-weight: 600; }' +
                '.hys-progress-group { margin-top: 8px; }' +
                '.hys-progress-row { display: flex; justify-content: space-between; margin-bottom: 4px; font-size: 11px; }' +
                '.hys-progress-label { color: #9ca3af; }' +
                '.hys-progress-val-blue { color: #38bdf8; font-weight: 600; }' +
                '.hys-bar-bg { width: 100%; height: 5px; background: rgba(255, 255, 255, 0.1); border-radius: 3px; overflow: hidden; }' +
                '.hys-bar-fill-blue { height: 100%; width: 0%; background: linear-gradient(90deg, #0284c7, #38bdf8); border-radius: 3px; transition: width 0.3s ease; }' +
                '.hys-controls { margin-top: 8px; padding-top: 8px; border-top: 1px solid rgba(255, 255, 255, 0.08); display: flex; flex-direction: column; gap: 6px; }' +
                '.hys-checkbox-row { display: flex; justify-content: space-between; align-items: center; }' +
                '.hys-toggle-item { display: flex; align-items: center; cursor: pointer; }' +
                '.hys-toggle-item input { cursor: pointer; accent-color: #38bdf8; width: 13px; height: 13px; margin-right: 4px; }' +
                '.hys-toggle-item span { color: #d1d5db; font-size: 11px; }' +
                '.hys-rate-wrapper { display: flex; align-items: center; justify-content: space-between; background: rgba(255, 255, 255, 0.05); padding: 4px 6px; border-radius: 6px; }' +
                '.hys-rate-select { background: #1e293b; color: #38bdf8; border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 4px; padding: 1px 4px; font-size: 11px; outline: none; cursor: pointer; }' +
                '.hys-action-btn { margin-top: 2px; color: #ffffff; border: none; border-radius: 6px; padding: 6px 8px; font-size: 11px; font-weight: 600; cursor: pointer; transition: all 0.2s; text-align: center; }' +
                '.hys-action-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }' +
                '.hys-action-btn:active { transform: translateY(1px); }' +
                '.hys-action-tip { margin-top: 6px; font-size: 11px; color: #38bdf8; text-align: center; line-height: 1.3; font-weight: 500; min-height: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }';
 
            addStyle('hys-mini-ui-style', 'style', uiCss);
 
            var panel = document.createElement('div');
            panel.id = 'hys-assistant-panel';
            panel.innerHTML = '<div class="hys-header" id="hys-drag-handle">' +
                '<div class="hys-header-left"><div class="hys-status-dot"></div><span>挂机助手</span></div>' +
                '<div class="hys-header-right" id="hys-remain-tip">运行中</div>' +
                '</div>' +
                '<div class="hys-progress-group">' +
                '<div class="hys-progress-row"><span class="hys-progress-label">小节进度:</span><span class="hys-progress-val-blue" id="hys-section-text">-- / --</span></div>' +
                '<div class="hys-bar-bg"><div class="hys-bar-fill-blue" id="hys-section-bar"></div></div>' +
                '</div>' +
                '<div class="hys-controls">' +
                '<div class="hys-checkbox-row">' +
                '<label class="hys-toggle-item"><input type="checkbox" id="hys-auto-skip-cb" /><span>自动秒过</span></label>' +
                '<label class="hys-toggle-item"><input type="checkbox" id="hys-auto-exam-cb" /><span>自动开考</span></label>' +
                '</div>' +
                '<div class="hys-rate-wrapper">' +
                '<label class="hys-toggle-item" style="margin:0;"><input type="checkbox" id="hys-rate-enable-cb" /><span>倍速播放</span></label>' +
                '<select class="hys-rate-select" id="hys-rate-select"></select>' +
                '</div>' +
                '<button class="hys-action-btn" id="hys-action-main-btn">⚡ 立即秒过本节</button>' +
                '</div>' +
                '<div class="hys-action-tip" id="hys-bottom-status">正在初始化...</div>' +
                '<div style="text-align:center;color:rgba(255,255,255,0.4);font-size:11px;padding-top:8px;margin-top:8px;border-top:1px solid rgba(255,255,255,0.06);">客服微信：wkds995</div>';
            document.body.appendChild(panel);
 
            var rateSelect = $('#hys-rate-select', panel);
            [1, 1.5, 2, 3, 4, 6, 8, 10, 12, 15, 16].forEach(function (r) {
                var opt = document.createElement('option');
                opt.value = r; opt.innerText = r + 'x';
                rateSelect.appendChild(opt);
            });
 
            var autoSkipCb = $('#hys-auto-skip-cb', panel);
            var autoExamCb = $('#hys-auto-exam-cb', panel);
            var rateEnableCb = $('#hys-rate-enable-cb', panel);
            var actionBtn = $('#hys-action-main-btn', panel);
 
            var mode = getStudyMode();
            autoSkipCb.checked = (mode === 'skip');
            rateEnableCb.checked = (mode === 'rate');
            autoExamCb.checked = (localStorage.getItem('script_auto_exam') !== 'false');
            rateSelect.value = localStorage.getItem('play_back_rate') || '6';
 
            function syncActionButtonState() {
                if (getStudyMode() === 'rate') {
                    actionBtn.innerHTML = '▶ 立即倍速播放';
                    actionBtn.style.background = 'linear-gradient(135deg, #10b981, #059669)';
                } else {
                    actionBtn.innerHTML = '⚡ 立即秒过本节';
                    actionBtn.style.background = 'linear-gradient(135deg, #2563eb, #1d4ed8)';
                }
            }
            syncActionButtonState();
 
            rateEnableCb.addEventListener('change', function (e) {
                localStorage.setItem('study_mode', e.target.checked ? 'rate' : 'skip');
                autoSkipCb.checked = !e.target.checked;
                var video = $('video, .pv-video');
                if (video && getStudyMode() === 'rate') {
                    video.playbackRate = parseFloat(rateSelect.value) || 6;
                    forceStartVideoPlay(video);
                }
                syncActionButtonState();
            });
 
            autoSkipCb.addEventListener('change', function (e) {
                localStorage.setItem('study_mode', e.target.checked ? 'skip' : 'rate');
                rateEnableCb.checked = !e.target.checked;
                if (e.target.checked) {
                    var video = $('video, .pv-video');
                    if (video) video.playbackRate = 1;
                    executeInstantSkip();
                }
                syncActionButtonState();
            });
 
            autoExamCb.addEventListener('change', function (e) {
                localStorage.setItem('script_auto_exam', JSON.stringify(e.target.checked));
                if (!e.target.checked) stopCountdown("已取消开考");
            });
 
            rateSelect.addEventListener('change', function (e) {
                localStorage.setItem('play_back_rate', e.target.value);
                var video = $('video, .pv-video');
                if (video && getStudyMode() === 'rate') video.playbackRate = parseFloat(e.target.value);
            });
 
            actionBtn.addEventListener('click', function () {
                var video = $('video, .pv-video');
                if (getStudyMode() === 'rate') {
                    if (video) video.playbackRate = parseFloat(rateSelect.value) || 6;
                    forceStartVideoPlay(video);
                } else {
                    executeInstantSkip();
                }
            });
 
            makeDraggable(panel, $('#hys-drag-handle', panel));
            setInterval(function () { updatePanelStats(panel); }, 1000);
        }
 
        function updatePanelStats(panel) {
            try {
                var sectionItems = $$('#s_r_ml li, .s_r_ml li, li.course_list');
                if (sectionItems.length > 0) {
                    var passedCount = 0, activeIndex = -1;
                    sectionItems.forEach(function (li, idx) {
                        var txt = li.innerText || li.textContent || "";
                        if (["考试通过", "已完成", "已通过"].some(function (k) { return txt.indexOf(k) !== -1; }) || li.classList.contains("cur")) passedCount++;
                        if (li.classList.contains("active")) activeIndex = idx;
                    });
 
                    var total = sectionItems.length;
                    var cwId = parseInt(getUrlParams('courseware_id') || getUrlParams('ware_id'), 10) || 0;
                    var titleEl = $('h1, h2, h3, .title, .video_title');
                    var match = ((titleEl && titleEl.innerText) || "").match(/第0*(\d+)节/);
                    var titleSecNum = match && match[1] ? parseInt(match[1], 10) : 0;
 
                    var currentPlayingSec = Math.max(activeIndex + 1, cwId, titleSecNum, 0);
                    var displayProgress = Math.min(total, Math.max(passedCount, currentPlayingSec, 1));
 
                    var secText = $('#hys-section-text', panel);
                    if (secText) secText.innerText = displayProgress + ' / ' + total;
                    var secBar = $('#hys-section-bar', panel);
                    if (secBar) secBar.style.width = Math.min(100, Math.round((displayProgress / total) * 100)) + '%';
                }
 
                if (!countdownTimer) {
                    var tipEl = $('#hys-remain-tip', panel);
                    if (tipEl) {
                        tipEl.style.color = '#4ade80';
                        tipEl.innerText = getStudyMode() === 'rate' ? (getTargetRate() + 'x 运行') : '秒过模式';
                    }
                }
            } catch (e) {}
        }
 
        function makeDraggable(el, handle) {
            var posX = 0, posY = 0, mouseX = 0, mouseY = 0;
            handle.onmousedown = function (e) {
                e.preventDefault();
                mouseX = e.clientX; mouseY = e.clientY;
                document.onmouseup = function () { document.onmouseup = null; document.onmousemove = null; };
                document.onmousemove = function (ev) {
                    ev.preventDefault();
                    posX = mouseX - ev.clientX; posY = mouseY - ev.clientY;
                    mouseX = ev.clientX; mouseY = ev.clientY;
                    el.style.top = (el.offsetTop - posY) + "px";
                    el.style.left = (el.offsetLeft - posX) + "px";
                    el.style.right = 'auto';
                };
            };
        }
 
        var p = unsafeWindow.player || unsafeWindow.cc_js_Player;
        if (p && p.params) {
            try { p.params.rate_allow_change = true; } catch (e) {}
            fuckingPlayer = p;
        }
 
        if ($('video, .pv-video, #player, #cc_js_Player, #s_r_ml') || ["polyv", "study2", "cc"].some(function (k) { return lastPath.indexOf(k) !== -1; })) {
            createModernAssistantUI();
            refreshRightSectionStatus();
        }
 
        handleMainFlow();
    }
 
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', initMainScript);
    } else {
        initMainScript();
    }
})();