// ==UserScript==
// @name         专注学习通、国开、智慧树、U校园助手-免费高分题库
// @version      1.0
// @authon      wangyiyi
// @description  想要学习通关更轻松？试试这款“零干扰”的学习通助手！它不仅能自动搞定视频、作业和考试，更采用先进的后台任务技术，完全不占用您的网络宽带。无论是刷剧还是打游戏，它都在后台默默为您“打工”。配合免费的高分题库和看得见的实时进度条，让每一次学习都高效又省心。QQ在线客服1：3319450748 在线客服2：3885512520 
// @match        *://*.chaoxing.com/*
// @match        *://*.edu.cn/*
// @match        *://*.nbdlib.cn/*
// @connect      azkou.cn
// @connect    	 localhost
// @connect    	 127.0.0.1
// @grant      	 GM_getTab
// @grant      	 GM_saveTab
// @run-at       document-end
// @grant        unsafeWindow
// @grant        GM_xmlhttpRequest
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_info
// @grant        GM_getResourceText
// @grant        GM_openInTab
// @grant      	 GM_deleteValue
// @grant      	 GM_notification
// @grant      	 GM_addValueChangeListener
// @grant      	 GM_removeValueChangeListener
// @icon         http://pan-yz.chaoxing.com/favicon.ico
// @original-script     https://scriptcat.org/zh-CN/script-show-page/6033
// @require      https://cdn.bootcdn.net/ajax/libs/jquery/3.7.1/jquery.min.js
// @require      https://cdn.bootcdn.net/ajax/libs/limonte-sweetalert2/11.1.0/sweetalert2.all.min.js
// @require      https://cdn.bootcdn.net/ajax/libs/blueimp-md5/2.19.0/js/md5.min.js
// @license      MIT
// @run-at       document-start
// @antifeature  payment  可使用web付费脚本平台进行播放、考试、题库
// ==/UserScript==

const floatingWindow = document.createElement('div');
    floatingWindow.id = 'baidu-floating-window';
    floatingWindow.style.cssText = `
        position: fixed;
        z-index: 9999;
        background-color: #ffffff;
        border: 1px solid #e0e0e0;
        border-radius: 8px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        width: 300px;
        height: 500px;
        left: 20px;
        top: 20px;
        font-family: 'Microsoft YaHei', sans-serif;
        overflow: hidden;
        display: flex;
        flex-direction: column;
    `;

    const titleBar = document.createElement('div');
    titleBar.style.cssText = `
        padding: 12px 15px;
        background-color: #f5f5f5;
        border-bottom: 1px solid #e0e0e0;
        cursor: move;
        display: flex;
        justify-content: space-between;
        align-items: center;
        user-select: none;
        flex-shrink: 0;
    `;
        const titleBar12 = document.createElement('div');
    titleBar12.style.cssText = `
        padding: 12px 15px;
        background-color: #f5f5f5;
        border-bottom: 1px solid #e0e0e0;
        cursor: move;
        display: flex;
        justify-content: space-between;
        align-items: center;
        user-select: none;
        flex-shrink: 0;
    `;

    const title = document.createElement('h3');
    title.textContent = '青禾院-轻量版V 2.0';
    title.style.cssText = `
        margin: 0;
        font-size: 15px;
        color: #333;
        font-weight: normal;
    `;

    const closeBtn = document.createElement('span');
    closeBtn.textContent = '×';
    closeBtn.style.cssText = `
        font-size: 20px;
        cursor: pointer;
        color: #999;
        line-height: 1;
        padding: 0 5px;
    `;

    // 
    const navBar = document.createElement('div');
    navBar.style.cssText = `
        display: flex;
        border-bottom: 1px solid #f0f0f0;
        background-color: #fafafa;
        flex-shrink: 0;
    `;
    // 
    const navBar22 = document.createElement('div');
    navBar22.style.cssText = `
        display: flex;
        border-bottom: 1px solid #f0f0f0;
        background-color: #fafafa;
        flex-shrink: 0;
    `;

    // 
    const createNavButton = (text, onClick) => {
        const btn = document.createElement('button');
        btn.textContent = text;
        btn.style.cssText = `
            flex: 1;
            padding: 12px 0;
            background: none;
            border: none;
            cursor: pointer;
            font-size: 14px;
            color: #666;
            transition: all 0.3s;
            position: relative;
        `;
        btn.addEventListener('click', onClick);
        return btn;
    };

    const homeBtn = createNavButton('首页', () => {
        homeContent.style.display = 'block';
        settingsContent.style.display = 'none';
        questionBankContent.style.display = 'none';
        myContent.style.display = 'none';
        description.style.display = 'block';
        playButton.style.display = 'none';
    });

    const settingsBtn = createNavButton('设置', () => {
        homeContent.style.display = 'none';
        settingsContent.style.display = 'block';
        questionBankContent.style.display = 'none';
        myContent.style.display = 'none';
        description.style.display = 'block';
        playButton.style.display = 'none';
    });

    const questionBankBtn = createNavButton('题库', () => {
        homeContent.style.display = 'none';
        settingsContent.style.display = 'none';
        questionBankContent.style.display = 'block';
        myContent.style.display = 'none';
        description.style.display = 'block';
        playButton.style.display = 'block';
    });

    // 
    const availableCourses = [
        "学习通",
        "智慧树",
        "U校园",
        "U校园AI",
        "MOOC",
        "学习强国",
        "知到",
        "乐跑",
        "继续教育",
        "智慧职教",
        "优学院"
    ];

    const myBtn = createNavButton('', () => {
        homeContent.style.display = 'none';
        settingsContent.style.display = 'none';
        questionBankContent.style.display = 'none';
        myContent.style.display = 'block';
        description.style.display = 'none';
        playButton.style.display = 'none';
    });
	
	
var setting = {
    showBox: 1,        
    maskImg: 1,        
    task: 0,           
    video: 1,          
    audio: 1,          
    rate: 1,           
    review: 0,         
    work: 1,           
    time: 5000,        
    sub: 0,            
    force: 0,          
    decrypt: 1,        
    examTurn: 0,       
    examTurnTime: 1,   
    goodStudent: 0,    
    alterTitle: 1,     
    autoLogin: 0,      
    phone: '',         
    password: '',      
    
    videoMode: 'simulate',  
    reportInterval: 60,    
    showProgressBar: 1     
}

var _w = unsafeWindow,
    _l = location,
    _d = _w.document,
    $ = _w.jQuery || top.jQuery,
    UE = _w.UE,
    md5 = window.md5 || $.md5;


var TyprInstance = null;
try {
    if (typeof unsafeWindow !== 'undefined' && unsafeWindow.Typr) {
        TyprInstance = unsafeWindow.Typr;
    } else if (typeof window !== 'undefined' && window.Typr) {
        TyprInstance = window.Typr;
    } else if (typeof Typr !== 'undefined') {
        TyprInstance = Typr;
    } else if (typeof unsafeWindow !== 'undefined' && unsafeWindow.TyprMd5) {
        TyprInstance = unsafeWindow.TyprMd5;
    } else if (typeof TyprMd5 !== 'undefined') {
        TyprInstance = TyprMd5;
    }
} catch(e) {}



function getCookie(name) {
    return ('; ' + document.cookie).split('; ' + name + '=').pop().split(';')[0];
}

function formatDuration(seconds) {
    if (!seconds || seconds < 0) return '00:00';
    var total = Math.max(0, Math.floor(Number(seconds) || 0));
    var h = Math.floor(total / 3600);
    var m = Math.floor((total % 3600) / 60);
    var s = total % 60;
    var pad = function(n) { return String(n).padStart(2, '0'); };
    if (h > 0) {
        return pad(h) + ':' + pad(m) + ':' + pad(s);
    }
    return pad(m) + ':' + pad(s);
}

function tidyStr(s) {
    if (!s) return null;
    return s.replace(/<(?!img).*?>/g, "").replace(/^【.*?】\s*/, '').replace(/\s*（\d+\.\d+分）$/, '').trim().replace(/&nbsp;/g, '');
}

function tidyQuestion(s) {
    if (!s) return null;
    return s.replace(/<(?!img).*?>/g, "").replace(/^【.*?】\s*/, '').replace(/\s*（\d+\.\d+分）$/, '').replace(/^\d+[.、]/, '').trim();
}

function splitAnswer(answer) {
    if (!answer) return [];
    var parts = answer.split(/[#]+/).map(a => a.trim()).filter(a => a !== '');
    if (parts.length === 0 && answer.trim() !== '') {
        return [answer.trim()];
    }
    return parts;
}

function getStr(str, start, end) {
    let res = str.match(new RegExp(start + '(.*?)' + end));
    return res ? res[1] : null;
}

function isTaskCompleted(task) {
    if (!task) return false;
    if (task.isPassed === true) return true;
    if (task.status === 'completed' || task.status === 'finished') return true;
    if (task.finished === true) return true;
    return false;
}

var logQueue = [];
var logTimer = null;

function getTopLogContainer() {
    try {
        var topDoc = top.document;
        var container = topDoc.getElementById('ne-21log');
        if (container) return $(container);
        container = document.getElementById('ne-21log');
        if (container) return $(container);
        return null;
    } catch(e) {
        return null;
    }
}

function flushLogs() {
    if (logQueue.length === 0) return;
    var container = getTopLogContainer();
    if (container && container.length) {
        var logsToShow = logQueue.slice();
        logQueue = [];
        for (var i = logsToShow.length - 1; i >= 0; i--) {
            container.prepend(logsToShow[i]);
        }
        container.scrollTop(0);
    }
    if (logTimer) {
        clearTimeout(logTimer);
        logTimer = null;
    }
}

function scheduleFlushLogs() {
    if (logTimer) return;
    logTimer = setTimeout(flushLogs, 100);
}

function log(str, color) {
    var time = new Date().toLocaleTimeString();
    var logHtml = '<div style="border-top:1px solid #eee;padding:6px 0;"><span style="color:' + (color || '#000') + ';">[' + time + '] ' + str + '</span></div>';
    logQueue.push(logHtml);
    scheduleFlushLogs();
    console.log('[刷课小助手欢迎使用][' + time + ']', str);
}


var API_SERVERS = [
    { url: "123", name: "参数" },
    { url: "456", name: "参数2" },
    { url: "h4444", name: "参数3" }
];
var CURRENT_SERVER_INDEX = 0;

function getCurrentApiUrl() {
    return API_SERVERS[CURRENT_SERVER_INDEX].url;
}

function getApiKey() {
    var key = GM_getValue('api_key', '');
    return key;
}

function hasApiKey() {
    var key = getApiKey();
    return key && key.trim() !== '';
}

function getQuotaInfo() {
    return {
        remaining: GM_getValue('quota_remaining', 0),
        free_remaining: GM_getValue('quota_free_remaining', 0),
        recharge_balance: GM_getValue('quota_recharge_balance', 0),
        today_free_usage: GM_getValue('quota_today_free_usage', 0)
    };
}

var quotaInfo = getQuotaInfo();

function saveQuotaInfo() {
    GM_setValue('quota_remaining', quotaInfo.remaining);
    GM_setValue('quota_free_remaining', quotaInfo.free_remaining);
    GM_setValue('quota_recharge_balance', quotaInfo.recharge_balance);
    GM_setValue('quota_today_free_usage', quotaInfo.today_free_usage);
}

function updateQuotaInfo(newQuotaInfo) {
    if (newQuotaInfo) {
        quotaInfo.remaining = newQuotaInfo.remaining !== undefined ? newQuotaInfo.remaining : quotaInfo.remaining;
        quotaInfo.free_remaining = newQuotaInfo.free_remaining !== undefined ? newQuotaInfo.free_remaining : quotaInfo.free_remaining;
        quotaInfo.recharge_balance = newQuotaInfo.recharge_balance !== undefined ? newQuotaInfo.recharge_balance : quotaInfo.recharge_balance;
        quotaInfo.today_free_usage = newQuotaInfo.today_free_usage !== undefined ? newQuotaInfo.today_free_usage : quotaInfo.today_free_usage;
        saveQuotaInfo();
        updateQuotaDisplay();
    }
}

function updateQuotaDisplay() {
    try {
        var targetDoc = top.document;
        if (!targetDoc.querySelector('#quotaInfo')) targetDoc = document;
        var $quotaInfo = $('#quotaInfo', targetDoc);
        if ($quotaInfo.length) {
            var remaining = quotaInfo.remaining;
            var hasKey = hasApiKey();
            if (remaining > 0) {
                $quotaInfo.html('还有次数: ' + remaining + ' | 当前免费: ' + quotaInfo.free_remaining);
            } else if (remaining === 0 && hasKey) {
                $quotaInfo.html('次数已用完 | <a href="已关闭" target="_blank" style="color:#2196F3;">点击充值</a>');
            } else if (!hasKey) {
                $quotaInfo.html('需要答题请联系站长获取key进行保存答题');
            } else {
                $quotaInfo.html('是否已购买，加载~');
            }
        }
    } catch(e) {}
}

function checkApiKeyBeforeAction(actionName) {
    var apiKey = getApiKey();
    if (!apiKey || apiKey.trim() === '') {
        log('❌ 无法执行' + actionName + '：请先在设置中配置API密钥', 'red');
        return false;
    }
    quotaInfo = getQuotaInfo();
    if (quotaInfo.remaining <= 0 && quotaInfo.free_remaining <= 0) {
        log('❌ 无法执行' + actionName + '：API次数已用完，请充值', 'red');
        return false;
    }
    return true;
}

function testApi(key, serverIndex) {
    return new Promise((resolve, reject) => {
        var testQuestion = "test";
        var testType = "单选题";
        var testOptions = ["选项A", "选项B"];
        var apiUrl = API_SERVERS[serverIndex || 0].url;
        var formData = 'question=' + encodeURIComponent(testQuestion) + '&key=' + encodeURIComponent(key) + '&type=' + encodeURIComponent(testType) + '&options=' + encodeURIComponent(JSON.stringify(testOptions));
        
        var timeoutId = setTimeout(() => {
            reject('请求超时');
        }, 10000);
        
        GM_xmlhttpRequest({
            method: 'POST',
            url: apiUrl,
            headers: {'Content-Type': 'application/x-www-form-urlencoded'},
            data: formData,
            timeout: 10000,
            onload: function(xhr) {
                clearTimeout(timeoutId);
                try {
                    var res = JSON.parse(xhr.responseText);
                    if (res.code == 1 || res.code == 400) {
                        if (res.quota_info) {
                            updateQuotaInfo(res.quota_info);
                        }
                        resolve(res);
                    } else {
                        reject(res.msg || '密钥无效');
                    }
                } catch(e) {
                    reject('解析响应失败');
                }
            },
            onerror: function() {
                clearTimeout(timeoutId);
                reject('网络请求失败');
            },
            ontimeout: function() {
                clearTimeout(timeoutId);
                reject('请求超时');
            }
        });
    });
}

function generateEncLocal(classId, uid, jobId, objectId, playTime, duration) {
    var str = '[' + classId + '][' + uid + '][' + jobId + '][' + objectId + '][' + (playTime * 1000) + '][d_yHJ!$pdA~5][' + (duration * 1000) + '][0_' + duration + ']';
    return md5(str);
}

function waitForElement(selector, timeout = 30000) {
    return new Promise((resolve, reject) => {
        var start = Date.now();
        var timer = setInterval(() => {
            if ($(selector).length) {
                clearInterval(timer);
                resolve();
            } else if (Date.now() - start > timeout) {
                clearInterval(timer);
                reject();
            }
        }, 500);
    });
}

function getElement(parent, selector) {
    return new Promise((resolve) => {
        var iframe = parent.querySelector(selector);
        if (iframe) resolve(iframe);
        var observer = new MutationObserver((mutations) => {
            var iframe = parent.querySelector(selector);
            if (iframe) {
                observer.disconnect();
                resolve(iframe);
            }
        });
        observer.observe(parent, { childList: true, subtree: true });
        setTimeout(() => {
            observer.disconnect();
            resolve(null);
        }, 10000);
    });
}

function getBlankInputCount($question) {
    var count = 0;
    var $inputs = $question.find('.blankList2 input, input[type="text"][name*="answer"]');
    if ($inputs.length) {
        var uniqueIdentifiers = new Set();
        $inputs.each(function() {
            var name = $(this).attr('name');
            var id = $(this).attr('id');
            if (name) {
                uniqueIdentifiers.add(name);
            } else if (id) {
                uniqueIdentifiers.add(id);
            } else {
                uniqueIdentifiers.add($(this).index());
            }
        });
        count = uniqueIdentifiers.size;
        if (count > 0) return count;
    }
    
    var $editorBlocks = $question.find('[data-editorindex]');
    if ($editorBlocks.length) {
        var uniqueIndices = new Set();
        $editorBlocks.each(function() {
            var idx = $(this).attr('data-editorindex');
            if (idx !== undefined && idx !== null && idx !== '') {
                uniqueIndices.add(idx);
            }
        });
        count = uniqueIndices.size;
        if (count > 0) return count;
    }
    
    return count === 0 ? 1 : count;
}

function fillBlankAnswer($question, answers, isPhoneMode, contextWindow) {
    var answerList = splitAnswer(answers);
    log('答案: ' + answerList.join(' | '), 'blue');
    
    if (isPhoneMode) {
        var $allInputs = $question.find('.blankList2 input, input[type="text"][name*="answer"]');
        if ($allInputs.length) {
            var uniqueInputs = [];
            var seen = new Set();
            $allInputs.each(function() {
                var name = $(this).attr('name');
                var id = $(this).attr('id');
                var key = name || id || $(this).index();
                if (!seen.has(key)) {
                    seen.add(key);
                    uniqueInputs.push(this);
                }
            });
            
            $(uniqueInputs).each(function(i) {
                setTimeout(() => {
                    var answerValue = answerList[i] !== undefined ? answerList[i] : (answerList[0] || '');
                    $(this).val(answerValue);
                    $(this).trigger('input').trigger('change');
                    log('填空题' + (i+1) + '填写: ' + answerValue, 'green');
                }, i * 200);
            });
            return true;
        }
        return false;
    }
    
    var $pcInputs = $question.find('.Zy_ulTk .XztiHover1 textarea, .stem_answer .Answer .divText .textDIV textarea, .subEditor textarea');
    if ($pcInputs.length) {
        var uniquePCInputs = [];
        var seenPC = new Set();
        $pcInputs.each(function() {
            var id = $(this).attr('id');
            var name = $(this).attr('name');
            var key = id || name || $(this).index();
            if (!seenPC.has(key)) {
                seenPC.add(key);
                uniquePCInputs.push(this);
            }
        });
        
        $(uniquePCInputs).each(function(i) {
            setTimeout(() => {
                var $this = $(this);
                var answerValue = answerList[i] !== undefined ? answerList[i] : (answerList[0] || '');
                if (UE && UE.getEditor && UE.getEditor($this.attr('id'))) {
                    UE.getEditor($this.attr('id')).setContent(answerValue);
                } else {
                    $this.val(answerValue);
                    $this.trigger('input').trigger('change');
                }
                log('填空题' + (i+1) + ': ' + answerValue, 'green');
            }, i * 200);
        });
        return true;
    }
    
    return false;
}

function fillShortAnswer($question, answer, isPhoneMode, contextWindow) {
    log('📝 简答题答案: ' + answer.substring(0, 100) + '...', 'blue');
    
    if (isPhoneMode) {
        var $textarea = $question.find('textarea[name^="answer"], .answerTxt textarea');
        if ($textarea.length) {
            $textarea.val(answer);
            $textarea.trigger('input').trigger('change');
            return true;
        }
        return false;
    }
    
    var $ueTextarea = $question.find('textarea[name^="answerEditor"], .eidtDiv textarea, .divText textarea');
    if ($ueTextarea.length) {
        var id = $ueTextarea.first().attr('id');
        if (id && UE && UE.getEditor && UE.getEditor(id)) {
            try {
                UE.getEditor(id).setContent(answer);
                return true;
            } catch(e) {}
        }
        $ueTextarea.val(answer);
        $ueTextarea.trigger('input').trigger('change');
        return true;
    }
    
    return false;
}

var reportWorker = null;
var activeVideoJob = null;

function createReportWorker(videoInfo, taskObj) {
    var name = videoInfo.name;
    var duration = videoInfo.duration;
    var dtoken = videoInfo.dtoken;
    var objectId = videoInfo.objectId;
    var jobId = taskObj.jobid;
    var rt = videoInfo.rt;
    var otherInfo = videoInfo.otherInfo;
    var reportUrl = _defaults.reportUrl;
    var classId = _defaults.clazzId;
    var uid = getCookie('_uid') || getCookie('UID');
    var startTime = videoInfo.playedTime || 0;
    var rate = setting.rate;
    var reportInterval = setting.reportInterval;
    
    var workerCode = `
        var timer = null;
        var currentTime = ${startTime};
        var duration = ${duration};
        var rate = ${rate};
        var reportInterval = ${reportInterval};
        var lastReportTime = ${startTime};
        var isRunning = true;
        var startTime = Date.now() - (${startTime} * 1000 / ${rate});
        var reportCount = 0;
        
        function sendReport(playTime, isComplete) {
            self.postMessage({
                type: 'doReport',
                playTime: playTime,
                isComplete: isComplete
            });
        }
        
        function updateLoop() {
            if (!isRunning) return;
            
            var now = Date.now();
            var elapsed = (now - startTime) / 1000;
            var newTime = Math.min(elapsed * rate, duration);
            
            if (newTime > currentTime) {
                currentTime = newTime;
                
                var timeSinceLastReport = currentTime - lastReportTime;
                var shouldReport = timeSinceLastReport >= reportInterval || currentTime >= duration;
                
                if (shouldReport) {
                    sendReport(Math.ceil(currentTime), currentTime >= duration);
                    lastReportTime = currentTime;
                }
                
                self.postMessage({
                    type: 'progress',
                    currentTime: currentTime,
                    duration: duration
                });
            }
            
            if (currentTime >= duration) {
                isRunning = false;
                if (timer) clearInterval(timer);
                self.postMessage({ type: 'completed' });
            } else {
                timer = setTimeout(updateLoop, 200);
            }
        }
        
        updateLoop();
        
        self.onmessage = function(e) {
            var data = e.data;
            switch(data.type) {
                case 'updateRate':
                    rate = data.rate;
                    break;
                case 'stop':
                    isRunning = false;
                    if (timer) clearTimeout(timer);
                    self.postMessage({ type: 'stopped' });
                    break;
            }
        };
    `;
    
    var blob = new Blob([workerCode], { type: 'application/javascript' });
    var worker = new Worker(URL.createObjectURL(blob));
    
    worker.videoContext = {
        name: name,
        duration: duration,
        dtoken: dtoken,
        objectId: objectId,
        jobId: jobId,
        rt: rt,
        otherInfo: otherInfo,
        reportUrl: reportUrl,
        classId: classId,
        uid: uid
    };
    
    worker.onmessage = function(e) {
        var data = e.data;
        
        switch(data.type) {
            case 'progress':
                if (setting.showProgressBar) {
                    updateProgressBar(data.currentTime, data.duration);
                }
                break;
                
            case 'doReport':
                var ctx = worker.videoContext;
                var enc = generateEncLocal(ctx.classId, ctx.uid, ctx.jobId, ctx.objectId, data.playTime, ctx.duration);
                var isdrag = data.isComplete ? '4' : '0';
                
                var reportsUrl = ctx.reportUrl + '/' + ctx.dtoken +
                    '?clazzId=' + ctx.classId +
                    '&playingTime=' + data.playTime +
                    '&duration=' + ctx.duration +
                    '&clipTime=0_' + ctx.duration +
                    '&objectId=' + ctx.objectId +
                    '&otherInfo=' + ctx.otherInfo +
                    '&jobid=' + ctx.jobId +
                    '&userid=' + ctx.uid +
                    '&isdrag=' + isdrag +
                    '&view=pc' +
                    '&enc=' + enc +
                    '&rt=' + ctx.rt +
                    '&dtype=Video' +
                    '&_t=' + Date.now();
                
                log('上报: ' + formatDuration(data.playTime) + '/' + formatDuration(ctx.duration), 'blue');
                
                GM_xmlhttpRequest({
                    method: "GET",
                    url: reportsUrl,
                    headers: {
                        'Host': _l.host,
                        'Referer': _l.protocol + '//' + _l.host + '/ananas/modules/video/index.html'
                    },
                    onload: function(res) {
                        try {
                            var result = JSON.parse(res.responseText);
                            if (result.isPassed && !worker.isCompleted) {
                                worker.isCompleted = true;
                                log('已完成: ' + ctx.name, 'green');
                                if (worker.completeCallback) worker.completeCallback();
                            }
                        } catch(e) {}
                    },
                    onerror: function() {
                        log('将继续尝试', 'orange');
                    }
                });
                break;
                
            case 'completed':
                log('等待服务器确认...', 'green');
                setTimeout(function() {
                    if (worker.completeCallback) worker.completeCallback();
                }, 5000);
                break;
                
            case 'stopped':
                log('📡 Worker已停止', 'blue');
                break;
        }
    };
    
    return worker;
}

var currentVideoInterval = null;
var currentProgressBar = null;
var currentVideoWorker = null;  
var currentVideoTaskId = null;   
var videoTaskCounter = 0;       
var _mlist, _defaults, _domList, $subBtn, $saveBtn, $frame_c, $okBtn;
var isProcessing = false;
var isBoxHidden = false;
var pikaqiuAdded = false;
var pendingMissionCount = 0;
var completedMissionCount = 0;
var isJumping = false;
var hasTriggeredNoTaskJump = false;
var isVideoTaskActive = false;
var currentVideoName = null;

function forceCleanupAll() {
    var taskId = videoTaskCounter;
    log('...', 'orange');
    
    if (currentVideoWorker) {
        try {
            currentVideoWorker.postMessage({ type: 'stop' });
            setTimeout(function() {
                try {
                    if (currentVideoWorker) currentVideoWorker.terminate();
                } catch(e) {}
            }, 100);
            currentVideoWorker = null;
            log('止视频上报', 'green');
        } catch(e) {
            log('终止Worker失败: ' + e.message, 'orange');
        }
    }
    
    if (currentVideoInterval) {
        clearInterval(currentVideoInterval);
        currentVideoInterval = null;
        log('定时器', 'green');
    }
    
    if (reportWorker) {
        try {
            reportWorker.terminate();
        } catch(e) {}
        reportWorker = null;
    }
    
    removeProgressBar();
    
    isVideoTaskActive = false;
    currentVideoName = null;
    activeVideoJob = null;
    currentVideoTaskId = null;
    
    log('清理完成', 'green');
}

function removeProgressBar() {
    if (currentProgressBar) {
        try {
            $(currentProgressBar).remove();
            currentProgressBar = null;
            log('悬浮窗', 'green');
        } catch(e) {
            log('进度条失败: ' + e.message, 'orange');
        }
    }
    
    try {
        var targetDoc = top.document;
        var existingBar = targetDoc.querySelector('#video-progress-bar');
        if (existingBar) {
            $(existingBar).remove();
            log('悬浮窗', 'green');
        }
    } catch(e) {}
}

function createProgressBar(videoName, duration) {
    // 先彻底移除旧的
    removeProgressBar();
    
    currentVideoName = videoName;
    var taskId = ++videoTaskCounter;
    currentVideoTaskId = taskId;
    
    var targetDoc = top.document;
    var barHtml = `
        <div id="video-progress-bar" data-task-id="${taskId}" style="
            position:fixed;
            bottom:80px;
            right:20px;
            width:300px;
            background:rgba(0,0,0,0.85);
            border-radius:12px;
            padding:12px 15px;
            z-index:100000;
            font-family:system-ui,'Segoe UI',sans-serif;
            box-shadow:0 4px 15px rgba(0,0,0,0.3);
            backdrop-filter:blur(8px);
            border:1px solid rgba(255,255,255,0.2);
        ">
            <div style="display:flex;justify-content:space-between;margin-bottom:8px;">
                <span style="color:#fff;font-size:13px;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;" title="${videoName}">当前播放视频：${videoName}</span>
                <span id="progress-percent" style="color:#4CAF50;font-size:12px;">0%</span>
            </div>
            <div style="width:100%;height:8px;background:rgba(255,255,255,0.2);border-radius:4px;overflow:hidden;">
                <div id="progress-bar-fill" style="width:0%;height:100%;background:linear-gradient(90deg,#4CAF50,#8BC34A);border-radius:4px;transition:width 0.3s;"></div>
            </div>
            <div style="display:flex;justify-content:space-between;margin-top:8px;">
                <span id="progress-current" style="color:#ccc;font-size:11px;">00:00</span>
                <span id="progress-remaining" style="color:#ccc;font-size:11px;">进度条: --:--</span>
                <span style="color:#ccc;font-size:11px;">${formatDuration(duration)}</span>
            </div>
            <div style="margin-top:8px;text-align:center;">
                <span style="color:#4CAF50;font-size:10px;">进行中</span>
                <span style="color:#888;font-size:10px;margin-left:8px;">⚡ ${setting.rate}x</span>
            </div>
        </div>
    `;
    
    try {
        $(targetDoc.body).append(barHtml);
        currentProgressBar = targetDoc.querySelector('#video-progress-bar');
    } catch(e) {
        $(document.body).append(barHtml);
        currentProgressBar = document.querySelector('#video-progress-bar');
    }
    
    log('进行中', 'blue');
}

function updateProgressBar(playTime, duration) {
    if (!currentProgressBar) return;
 
    var taskId = currentProgressBar.getAttribute('data-task-id');
    if (taskId && currentVideoTaskId && parseInt(taskId) !== currentVideoTaskId) {
        return;
    }
    
    var percent = Math.min(100, Math.round((playTime / duration) * 100));
    var remaining = Math.max(0, duration - playTime);
    
    var fillBar = currentProgressBar.querySelector('#progress-bar-fill');
    var percentSpan = currentProgressBar.querySelector('#progress-percent');
    var currentSpan = currentProgressBar.querySelector('#progress-current');
    var remainingSpan = currentProgressBar.querySelector('#progress-remaining');
    
    if (fillBar) fillBar.style.width = percent + '%';
    if (percentSpan) percentSpan.textContent = percent + '%';
    if (currentSpan) currentSpan.textContent = formatDuration(playTime);
    if (remainingSpan) remainingSpan.textContent = '剩余: ' + formatDuration(remaining);
}

 
function completeCurrentTask() {
 
    forceCleanupAll();
    
    if (_mlist && _mlist.length > 0) {
        var completedTask = _mlist[0];
        var taskName = completedTask.property ? (completedTask.property.name || completedTask.property.title || '未知') : '未知';
        log('完成任务: ' + taskName, 'green');
        
        _mlist.splice(0, 1);
        completedMissionCount++;
        log(': ' + completedMissionCount + '/' + pendingMissionCount + ' | 剩余: ' + _mlist.length, 'blue');
    }
    
    if (_domList && _domList.length > 0) {
        _domList.splice(0, 1);
    }
    
    isProcessing = false;
    
    if (_mlist && _mlist.length > 0) {
        log(' ' + _mlist.length + ' 继续...', 'green');
        setTimeout(function() {
            missionStart();
        }, 1000);
    } else {
        log('处理完毕', 'green');
        toNext();
    }
}

function toNext() {
    if (isJumping) return;
    isJumping = true;
    
    log('检查章节...', 'blue');
    
    var nextBtn = null;
    try {
        nextBtn = top.document.querySelector('#mainid > .prev_next.next:not(.disabled)') || 
                  top.document.querySelector('#prevNextFocusNext:not(.disabled)') ||
                  top.document.querySelector('.prev_next.next:not(.disabled)') ||
                  $('.prev_next.next:not(.disabled)')[0];
        
        if (nextBtn && !nextBtn.disabled && !nextBtn.classList.contains('disabled')) {
            log('下一节按钮等待跳转', 'green');
            setTimeout(() => {
                nextBtn.click();
                log('📖 已点击跳转按钮', 'green');
                isJumping = false;
            }, 3000);
            return true;
        } else {
            log('已全部完成', 'green');
        }
    } catch(e) {
        log('❌ 跳转失败: ' + e.message, 'red');
    }
    
    isJumping = false;
    return false;
}

function getVideoStatus(item, callback) {
    var objectId = item.property.objectid;
    var statusUrl = _l.protocol + '//' + _l.host + '/ananas/status/' + objectId + 
        '?k=' + (getCookie('fid') || '') + '&flag=normal&_dc=' + Date.now();
    
    GM_xmlhttpRequest({
        method: "GET",
        url: statusUrl,
        headers: {
            'Host': _l.host,
            'Referer': _l.protocol + '//' + _l.host + '/ananas/modules/video/index.html'
        },
        onload: function(res) {
            try {
                var videoInfo = JSON.parse(res.responseText);
                callback({
                    success: true,
                    duration: videoInfo.duration,
                    dtoken: videoInfo.dtoken,
                    objectId: objectId,
                    rt: item.property.rt || '0.9',
                    otherInfo: item.otherInfo || '',
                    jobid: item.jobid,
                    playedTime: videoInfo.playingTime || 0,
                    isPassed: videoInfo.isPassed || false,
                    name: item.property.name
                });
            } catch(e) {
                callback({ success: false, error: e.message });
            }
        },
        onerror: function(err) {
            callback({ success: false, error: err.error });
        }
    });
}

function simulateVideoReport(videoInfo, taskObj) {
    var name = videoInfo.name || taskObj.property.name;
    var duration = videoInfo.duration;
    var isAlreadyPassed = videoInfo.isPassed || false;
    
    if (isAlreadyPassed && !setting.review) {
        log('已完成: ' + name + '，跳过', 'green');
        completeCurrentTask();
        return;
    }
    
    log('' + name + '，总时长: ' + formatDuration(duration), 'purple');
    log('', 'blue');
    
    if (setting.showProgressBar) {
        createProgressBar(name, duration);
        updateProgressBar(videoInfo.playedTime || 0, duration);
    }
    
    isVideoTaskActive = true;
    currentVideoName = name;
    
    currentVideoWorker = createReportWorker(videoInfo, taskObj);
    reportWorker = currentVideoWorker; 
    
    var workerTaskId = videoTaskCounter;
    
    // 设置完成回调
    currentVideoWorker.completeCallback = function() {
        if (workerTaskId === currentVideoTaskId && isVideoTaskActive) {
            forceCleanupAll();
            completeCurrentTask();
        }
    };
}

function normalVideoPlay(dom, obj) {
    var name = obj.property.name;
    var target = dom.length > 0 ? dom[0] : null;
    
    if (!target) {
        log('3秒后重试', 'orange');
        isProcessing = false;
        setTimeout(function() {
            normalVideoPlay(dom, obj);
        }, 3000);
        return;
    }
    
    log('处理视频：' + name, 'purple');
    
    isVideoTaskActive = true;
    currentVideoName = name;
    
    var executed = false;
    var doc = target.contentDocument || target.contentWindow.document;
    
    if (currentVideoInterval) {
        clearInterval(currentVideoInterval);
    }
    
    currentVideoInterval = setInterval(function() {
        var media = doc.querySelector('video') || doc.querySelector('audio');
        
        if (media && !executed) {
            executed = true;
            log('✅ ' + name + ' 开始播放', 'green');
            
            media.pause();
            media.muted = true;
            media.playbackRate = setting.rate > 1 ? Math.min(setting.rate, 16) : 1;
            media.play();
            
            var resumePlay = function() {
                if (media.paused && !media.ended) {
                    media.play();
                }
            };
            media.addEventListener('pause', resumePlay);
            
            var onVideoEnd = function() {
                log('✅ ' + name + ' 播放完成', 'green');
                media.removeEventListener('pause', resumePlay);
                media.removeEventListener('ended', onVideoEnd);
                clearInterval(currentVideoInterval);
                currentVideoInterval = null;
                forceCleanupAll();
                completeCurrentTask();
            };
            media.addEventListener('ended', onVideoEnd);
            
            if (media.ended) {
                onVideoEnd();
            }
        }
    }, 1500);
}

function missionVideo(dom, obj) {
    if (!setting.video) {
        log('视频任务', 'orange');
        completeCurrentTask();
        return;
    }
    
    var isPassed = obj.isPassed;
    var name = obj.property.name;
    
    if (!setting.review && isPassed === true) {
        log('视频：' + name + ' 已完成，跳过', 'green');
        completeCurrentTask();
        return;
    }
    
    if (setting.videoMode === 'simulate') {
        log('处理视频: ' + name, 'purple');
        
        getVideoStatus(obj, function(result) {
            if (result.success) {
                simulateVideoReport(result, obj);
            } else {
                log('失败: ' + result.error + '，降级到正常播放', 'red');
                normalVideoPlay(dom, obj);
            }
        });
        return;
    }
    
    normalVideoPlay(dom, obj);
}

function missionAudio(dom, obj) {
    if (!setting.audio) {
        log('音频任务', 'orange');
        completeCurrentTask();
        return;
    }
    
    var isPassed = obj.isPassed;
    var name = obj.property.name;
    
    if (!setting.review && isPassed === true) {
        log('✅ 音频：' + name + ' 已完成，跳过', 'green');
        completeCurrentTask();
        return;
    }
    
    log('🎵 处理音频：' + name + '，等待5秒后完成', 'purple');
    
    setTimeout(function() {
        completeCurrentTask();
    }, 5000);
}

function missionBook(dom, obj) {
    var jobId = obj.property.jobid;
    var name = obj.property.bookname;
    var jtoken = obj.jtoken;
    var knowledgeId = _defaults.knowledgeid;
    var courseId = _defaults.courseid;
    var clazzId = _defaults.clazzId;
    
    if (isTaskCompleted(obj)) {
        log('✅ 读书：' + name + ' 已完成，跳过', 'green');
        completeCurrentTask();
        return;
    }
    
    $.ajax({
        url: _l.protocol + "//" + _l.host + '/ananas/job?jobid=' + jobId + '&knowledgeid=' + knowledgeId + '&courseid=' + courseId + '&clazzid=' + clazzId + '&jtoken=' + jtoken + '&_dc=' + Date.now(),
        method: 'GET',
        success: function(res) {
            log('📚 读书：' + name + (res.msg || '完成'), 'green');
            completeCurrentTask();
        },
        error: function() {
            log('❌ 读书：' + name + ' 处理失败，3秒后重试', 'red');
            isProcessing = false;
            setTimeout(function() {
                missionBook(dom, obj);
            }, 3000);
        }
    });
}

function missionDoucument(dom, obj) {
    var jobId = obj.property.jobid;
    var name = obj.property.name;
    var jtoken = obj.jtoken;
    var knowledgeId = _defaults.knowledgeid;
    var courseId = _defaults.courseid;
    var clazzId = _defaults.clazzId;
    
    if (isTaskCompleted(obj)) {
        log('✅ 文档：' + name + ' 已完成，跳过', 'green');
        completeCurrentTask();
        return;
    }
    
    $.ajax({
        url: _l.protocol + "//" + _l.host + '/ananas/job/document?jobid=' + jobId + '&knowledgeid=' + knowledgeId + '&courseid=' + courseId + '&clazzid=' + clazzId + '&jtoken=' + jtoken + '&_dc=' + Date.now(),
        method: 'GET',
        success: function(res) {
            log('文档：' + name + (res.msg || '完成'), 'green');
            completeCurrentTask();
        },
        error: function() {
            log('文档：' + name + ' 处理失败，3秒后重试', 'red');
            isProcessing = false;
            setTimeout(function() {
                missionDoucument(dom, obj);
            }, 3000);
        }
    });
}

function missionRead(dom, obj) {
    var jobId = obj.property.jobid;
    var name = obj.property.title;
    var jtoken = obj.jtoken;
    var knowledgeId = _defaults.knowledgeid;
    var courseId = _defaults.courseid;
    var clazzId = _defaults.clazzId;
    
    if (isTaskCompleted(obj)) {
        log('阅读：' + name + ' 已完成，跳过', 'green');
        completeCurrentTask();
        return;
    }
    
    $.ajax({
        url: _l.protocol + '//' + _l.host + '/ananas/job/readv2?jobid=' + jobId + '&knowledgeid=' + knowledgeId + '&courseid=' + courseId + '&clazzid=' + clazzId + '&jtoken=' + jtoken + '&_dc=' + Date.now(),
        method: 'GET',
        success: function(res) {
            log('阅读：' + name + (res.msg || '完成'), 'green');
            completeCurrentTask();
        },
        error: function() {
            log(' 阅读：' + name + ' 处理失败，3秒后重试', 'red');
            isProcessing = false;
            setTimeout(function() {
                missionRead(dom, obj);
            }, 3000);
        }
    });
}

function missionStart() {
    if (isProcessing) {
        log('处理中，跳过', 'orange');
        return;
    }
    
    if (!_mlist || _mlist.length <= 0) {
        log('处理完毕', 'green');
        isProcessing = false;
        toNext();
        return;
    }
    
    forceCleanupAll();
    
    isProcessing = true;
    var _type = _mlist[0].type;
    var _dom = _domList[0];
    var _task = _mlist[0];
    
    if (_type == undefined) {
        _type = _mlist[0].property.module;
    }
    
    var taskName = _task.property ? (_task.property.name || _task.property.title || '未知') : '未知';
    log('处理任务: ' + taskName + ' (类型: ' + _type + ')', 'blue');
    
    var handlers = {
        'video': () => missionVideo(_dom, _task),
        'audio': () => missionAudio(_dom, _task),
        'workid': () => missionWork(_dom, _task),
        'document': () => missionDoucument(_dom, _task),
        'read': () => missionRead(_dom, _task),
        'insertbook': () => missionBook(_dom, _task)
    };
    
    if (handlers[_type]) {
        handlers[_type]();
    } else if (['insertimage'].includes(_type)) {
        log('无需处理任务，跳过', 'orange');
        completeCurrentTask();
    } else {
        log('处理此类型:' + _type + '，跳过', 'red');
        completeCurrentTask();
    }
}

function getAnswer(type, questionText, optionsData, retryCount) {
    retryCount = retryCount || 0;
    var startServerIndex = retryCount;
    
    return new Promise((resolve, reject) => {
        var apiKey = getApiKey();
        if (!apiKey || apiKey.trim() === '') {
            log('次数已用完', 'red');
            reject('NO_API_KEY');
            return;
        }
        
        quotaInfo = getQuotaInfo();
        if (quotaInfo.remaining <= 0 && quotaInfo.free_remaining <= 0) {
            log('次数已用完', 'red');
            reject('QUOTA_EXHAUSTED');
            return;
        }
        
        var typeMap = {0:'单选题',1:'多选题',2:'填空题',3:'判断题',4:'简答题'};
        var typeText = typeMap[type] || '单选题';
        
        function tryServer(index) {
            if (index >= API_SERVERS.length) {
                log('次数已用完', 'red');
                reject('所有接口均失败');
                return;
            }
            
            var apiUrl = API_SERVERS[index].url;
            var formData = 'question=' + encodeURIComponent(questionText) + '&key=' + encodeURIComponent(apiKey) + '&type=' + encodeURIComponent(typeText);
            
            if (optionsData && optionsData.length) {
                formData += '&options=' + encodeURIComponent(JSON.stringify(optionsData));
            }
            
            if (index === startServerIndex) {
                log('请求答案 - 题型:' + typeText + ' 题目:' + questionText.substring(0, 40) + '...', 'blue');
            }
            
            var timeoutId = setTimeout(() => {
                tryServer(index + 1);
            }, 15000);
            
            GM_xmlhttpRequest({
                method: 'POST',
                url: apiUrl,
                headers: {'Content-Type': 'application/x-www-form-urlencoded'},
                data: formData,
                timeout: 15000,
                onload: function(xhr) {
                    clearTimeout(timeoutId);
                    try {
                        var res = JSON.parse(xhr.responseText);
                        if (res.code == 1 && res.data) {
                            if (res.quota_info) {
                                updateQuotaInfo(res.quota_info);
                            }
                            CURRENT_SERVER_INDEX = index;
                            GM_setValue('current_server_index', index);
                            log('✅ 答案: ' + res.data.substring(0, 100) + '...', 'purple');
                            resolve(res.data);
                        } else if (res.code == 400) {
                            log('❌ ' + (res.msg || 'API密钥无效'), 'red');
                            reject('API_KEY_INVALID');
                        } else {
                            tryServer(index + 1);
                        }
                    } catch(e) {
                        tryServer(index + 1);
                    }
                },
                onerror: function() {
                    clearTimeout(timeoutId);
                    tryServer(index + 1);
                },
                ontimeout: function() {
                    clearTimeout(timeoutId);
                    tryServer(index + 1);
                }
            });
        }
        
        tryServer(startServerIndex);
    });
}

function missionWork(dom, obj) {
    if (!setting.work) {
        log('处理测验', 'orange');
        completeCurrentTask();
        return;
    }
    
    if (!checkApiKeyBeforeAction('自动答题')) {
        completeCurrentTask();
        return;
    }
    
    var isDo = true;
    if (setting.task && obj.jobid == undefined) {
        isDo = false;
    }
    
    if (isDo) {
        if (obj.jobid !== undefined) {
            var phoneWeb = _l.protocol + '//' + _l.host + '/work/phone/work?workId=' + obj.jobid.replace('work-', '') + '&courseId=' + _defaults.courseid + '&clazzId=' + _defaults.clazzId + '&knowledgeId=' + _defaults.knowledgeid + '&jobId=' + obj.jobid + '&enc=' + obj.enc;
            log('📝 准备处理测验', 'purple');
            setTimeout(function() {
                startDoPhoneCyWork(0, [dom], phoneWeb, obj);
            }, 3000);
        } else {
            setTimeout(function() {
                startDoCyWork(0, [dom], obj);
            }, 3000);
        }
    } else {
        log('ℹ️ 用户设置只处理属于任务点的任务', 'orange');
        completeCurrentTask();
    }
}

function startDoPhoneCyWork(index, doms, phoneWeb, taskObj) {
    if (index == doms.length) {
        log('处理完毕', 'green');
        completeCurrentTask();
        return;
    }
    
    getElement($(doms[index]).contents()[0], 'iframe').then(function(iframe) {
        if (!iframe) {
            setTimeout(function() {
                startDoPhoneCyWork(index, doms, phoneWeb, taskObj);
            }, 5000);
            return;
        }
        
        var workIframe = $(iframe);
        var workStatus = workIframe.contents().find('.newTestCon .newTestTitle .testTit_status').text().trim();
        
        if (!workStatus) {
            _domList.splice(0, 1);
            isProcessing = false;
            setTimeout(switchMission, 2000);
            return;
        }
        
        if (workStatus.indexOf("待做") != -1 || workStatus.indexOf("待完成") != -1 || workStatus.indexOf("未达到及格线") != -1) {
            workIframe.attr('src', phoneWeb);
            getElement($(doms[index]).contents()[0], 'iframe[src="' + phoneWeb + '"]').then(function() {
                setTimeout(function() {
                    doPhoneWork(workIframe.contents(), taskObj);
                }, 3000);
            });
        } else if (workStatus.indexOf('待批阅') != -1) {
            _mlist.splice(0, 1);
            _domList.splice(0, 1);
            log('跳过', 'red');
            completeCurrentTask();
        } else if (workStatus.indexOf('已完成') != -1 || workStatus.indexOf('已交') != -1) {
            log('跳过', 'green');
            completeCurrentTask();
        } else {
            _mlist.splice(0, 1);
            _domList.splice(0, 1);
            log('状态,跳过', 'red');
            completeCurrentTask();
        }
    });
}

function doPhoneWork($dom, taskObj) {
    var $cy = $dom.find('.Wrappadding form');
    $subBtn = $cy.find('.zquestions .zsubmit .btn-ok-bottom');
    $okBtn = $dom.find('#okBtn');
    $saveBtn = $cy.find('.zquestions .zsubmit .btn-save');
    var TimuList = $cy.find('.zquestions .Py-mian1');
    startDoPhoneTimu(0, TimuList, taskObj);
}

function isQuestionAnswered($timu, _type) {
    if (_type == 0 || _type == 1) {
        var $opts = _type == 0 ? $timu.find('.answerList.singleChoice li') : $timu.find('.answerList.multiChoice li');
        for (var i = 0; i < $opts.length; i++) {
            if ($($opts[i]).attr('aria-label')) return true;
        }
    } else if (_type == 2) {
        var $inputs = $timu.find('.blankList2 input');
        if ($inputs.length && $inputs.first().val() && $inputs.first().val().trim() !== '') return true;
    } else if (_type == 3) {
        var $pd = $timu.find('.answerList.panduan li');
        for (var i = 0; i < $pd.length; i++) {
            if ($($pd[i]).attr('aria-label')) return true;
        }
    } else if (_type == 4) {
        var $ta = $timu.find('textarea[name^="answer"]');
        if ($ta.length && $ta.first().val() && $ta.first().val().trim() !== '') return true;
    }
    return false;
}

function getQuestionType($timu, typeName) {
    var typeMap = {
        '单选题': 0,
        '多选题': 1,
        '填空题': 2,
        '判断题': 3,
        '简答题': 4
    };
    var _type = typeMap[typeName];
    
    if (_type === undefined) {
        if ($timu.find('.answerList.singleChoice li').length) _type = 0;
        else if ($timu.find('.answerList.multiChoice li').length) _type = 1;
        else if ($timu.find('.blankList2 input').length) _type = 2;
        else if ($timu.find('.answerList.panduan li').length) _type = 3;
        else if ($timu.find('textarea').length) _type = 4;
    }
    return _type;
}

function handlePhoneJudge($timu, answer) {
    var trueKeywords = '正确|是|对|√|T|ri';
    var $pd = $timu.find('.answerList.panduan li');
    
    if (trueKeywords.indexOf(answer) != -1 || trueKeywords.toLowerCase().indexOf(answer.toLowerCase()) != -1) {
        $pd.each(function(i, t) {
            if ($(t).attr('val-param') == 'true') {
                $(t).click();
                log('正确 (接口返回: ' + answer + ')', 'green');
            }
        });
    } else {
        $pd.each(function(i, t) {
            if ($(t).attr('val-param') == 'false') {
                $(t).click();
                log(' 错误 (接口返回: ' + answer + ')', 'green');
            }
        });
    }
}

function startDoPhoneTimu(index, TimuList, taskObj) {
    if (index == TimuList.length) {
        finishQuiz();
        return;
    }
    
    var contextWindow = TimuList[index] ? (TimuList[index].ownerDocument.defaultView || unsafeWindow) : unsafeWindow;
    var $timu = $(TimuList[index]);
    var questionFull = $timu.find('.Py-m1-title').html();
    var _question = tidyQuestion(questionFull).replace(/.*?\[.*?题\]\s*\n\s*/, '').trim();
    var typeName = questionFull.match(/.*?\[(.*?)]|$/)[1];
    var _type = getQuestionType($timu, typeName);
    
    if (isQuestionAnswered($timu, _type)) {
        log(' 第' + (index + 1) + '题已作答', 'green');
        setTimeout(() => startDoPhoneTimu(index + 1, TimuList, taskObj), 30);
        return;
    }
    
    var $opts = [];
    var optsText = [];
    var optionsData = [];
    var pureQuestion = _question;
    
    if (_type == 0 || _type == 1) {
        $opts = _type == 0 ? $timu.find('.answerList.singleChoice li') : $timu.find('.answerList.multiChoice li');
        $opts.each(function() {
            optsText.push(tidyStr($(this).html()).replace(/^[A-Z]\s*\n\s*/, '').trim());
        });
        optionsData = optsText;
    } else if (_type == 2) {
        var blankCount = getBlankInputCount($timu);
        optionsData = [blankCount.toString()];
    } else if (_type == 3) {
        optionsData = ["对", "错"];
    } else if (_type == 4) {
        optionsData = ["1"];
    }
    
    getAnswer(_type, pureQuestion, optionsData).then((agrs) => {
        if (agrs == '无答案' || !agrs) {
            log('跳过此题', 'red');
            setTimeout(() => startDoPhoneTimu(index + 1, TimuList, taskObj), setting.time);
            return;
        }
        
        if (setting.alterTitle) {
            $timu.find('.Py-m1-title').html($timu.find('.Py-m1-title').html() + '<p style="color:green;">📖 ' + agrs + '</p>');
        }
        
        if (_type == 0) {
            var idx = optsText.findIndex(t => t == agrs);
            if (idx != -1) $timu.find('.answerList.singleChoice li').eq(idx).click();
            else log('未找到匹配选项: ' + agrs, 'orange');
        } else if (_type == 1) {
            var ansArr = splitAnswer(agrs);
            $opts.each((i, t) => {
                if (ansArr.includes(optsText[i])) {
                    setTimeout(() => $(t).click(), 300);
                }
            });
        } else if (_type == 2) {
            fillBlankAnswer($timu, agrs, true, contextWindow);
        } else if (_type == 3) {
            handlePhoneJudge($timu, agrs);
        } else if (_type == 4) {
            fillShortAnswer($timu, agrs, true, contextWindow);
        }
        
        log('第' + (index + 1) + '答题成功', 'green');
        setTimeout(() => startDoPhoneTimu(index + 1, TimuList, taskObj), setting.time);
    }).catch(() => {
        log('第' + (index + 1) + '答案失败，跳过', 'orange');
        setTimeout(() => startDoPhoneTimu(index + 1, TimuList, taskObj), setting.time);
    });
}

function startDoCyWork(index, doms, taskObj) {
    if (index == doms.length) {
        log('处理完毕', 'green');
        completeCurrentTask();
        return;
    }
    
    getElement($(doms[index]).contents()[0], 'iframe').then(function(iframe) {
        if (!iframe) {
            setTimeout(function() {
                startDoCyWork(index, doms, taskObj);
            }, 5000);
            return;
        }
        
        var workIframe = $(iframe);
        var workStatus = workIframe.contents().find(".newTestCon .newTestTitle .testTit_status").text().trim();
        
        if (!workStatus) {
            _domList.splice(0, 1);
            isProcessing = false;
            setTimeout(switchMission, 2000);
            return;
        }
        
        if (workStatus.indexOf("待做") != -1 || workStatus.indexOf("待完成") != -1) {
            log('处理测验', 'purple');
            setTimeout(function() {
                doWork(index, doms, iframe, taskObj);
            }, 5000);
        } else if (workStatus.indexOf('待批阅') != -1) {
            _mlist.splice(0, 1);
            _domList.splice(0, 1);
            log('跳过', 'red');
            completeCurrentTask();
        } else if (workStatus.indexOf('已完成') != -1 || workStatus.indexOf('已交') != -1) {
            log('跳过', 'green');
            completeCurrentTask();
        } else {
            _mlist.splice(0, 1);
            _domList.splice(0, 1);
            log('跳过', 'red');
            completeCurrentTask();
        }
    });
}

function doWork(index, doms, dom, taskObj) {
    $frame_c = $(dom).contents();
    var $CyHtml = $frame_c.find('.CeYan');
    var TiMuList = $CyHtml.find('.TiMu');
    $subBtn = $frame_c.find(".ZY_sub").find(".btnSubmit");
    $saveBtn = $frame_c.find(".ZY_sub").find(".btnSave");
    startDoWork(0, TiMuList);
}

function handlePCJudge($timu, answer) {
    var trueKeywords = '正确|是|对|√|T|ri';
    
    var $pdContainer = $timu.find('.Zy_ulTop li');
    if ($pdContainer.length === 0) {
        $pdContainer = $timu.find('.stem_answer .answer_p').parent();
    }
    
    if (trueKeywords.indexOf(answer) != -1 || trueKeywords.toLowerCase().indexOf(answer.toLowerCase()) != -1) {
        var clicked = false;
        $pdContainer.each(function(i, t) {
            var $opt = $(t).find('a, .answer_p');
            if ($opt.length === 0) $opt = $(t);
            var valAttr = $(t).find('span').attr('val-param') || $(t).attr('val-param');
            if (valAttr == 'true') {
                $(t).click();
                clicked = true;
                log(' 正确 (接口返回: ' + answer + ')', 'green');
            }
        });
        if (!clicked && $pdContainer.length > 0) {
            $($pdContainer[0]).click();
            log('正确(默认第一个) (接口返回: ' + answer + ')', 'green');
        }
    } else {
        var clicked = false;
        $pdContainer.each(function(i, t) {
            var valAttr = $(t).find('span').attr('val-param') || $(t).attr('val-param');
            if (valAttr == 'false') {
                $(t).click();
                clicked = true;
                log('错误 (接口返回: ' + answer + ')', 'green');
            }
        });
        if (!clicked && $pdContainer.length > 1) {
            $($pdContainer[1]).click();
            log(' 错误(默认第二个) (接口返回: ' + answer + ')', 'green');
        } else if (!clicked && $pdContainer.length === 1) {
            $($pdContainer[0]).click();
            log('错误(唯一选项) (接口返回: ' + answer + ')', 'green');
        }
    }
}

function finishQuiz() {
    if (setting.sub) {
        log('准备自动提交', 'green');
        setTimeout(() => {
            if ($subBtn && $subBtn.length) $subBtn.click();
            setTimeout(() => {
                if ($okBtn && $okBtn.length) $okBtn.click();
                log('成功', 'green');
                completeCurrentTask();
            }, 3000);
        }, 5000);
    } else if (setting.force) {
        log('强制提交', 'red');
        setTimeout(() => {
            if ($subBtn && $subBtn.length) $subBtn.click();
            setTimeout(() => {
                if ($okBtn && $okBtn.length) $okBtn.click();
                log('成功', 'green');
                completeCurrentTask();
            }, 3000);
        }, 5000);
    } else {
        log('自动保存', 'green');
        setTimeout(() => {
            if ($saveBtn && $saveBtn.length) $saveBtn.click();
            log('成功', 'green');
            completeCurrentTask();
        }, 5000);
    }
}

function startDoWork(c, TiMuList) {
    if (c == TiMuList.length) {
        finishQuiz();
        return;
    }
    
    var $timu = $(TiMuList[c]);
    var questionFull = $timu.find('.Zy_TItle.clearfix > div').html();
    var _question = tidyQuestion(questionFull);
    var typeName = questionFull.match(/^【(.*?)】|$/)[1];
    var _TimuType = getQuestionType($timu, typeName);
    
    var $opts = [];
    var optsText = [];
    var optionsData = [];
    var pureQuestion = _question;
    
    if (_TimuType == 0 || _TimuType == 1) {
        $opts = $timu.find('.Zy_ulTop li a');
        $opts.each(function() {
            optsText.push(tidyStr($(this).html()));
        });
        optionsData = optsText;
    } else if (_TimuType == 2) {
        var blankCount = getBlankInputCount($timu);
        optionsData = [blankCount.toString()];
    } else if (_TimuType == 3) {
        optionsData = ["对", "错"];
    } else if (_TimuType == 4) {
        optionsData = ["1"];
    }
    
    getAnswer(_TimuType, pureQuestion, optionsData).then((agrs) => {
        if (agrs == '暂无答案' || !agrs) {
            log('⚠️ PC第' + (c + 1) + '题无法获取答案，跳过', 'orange');
            setTimeout(() => startDoWork(c + 1, TiMuList), setting.time);
            return;
        }
        
        if (setting.alterTitle) {
            $timu.find('.Zy_TItle.clearfix > div').html($timu.find('.Zy_TItle.clearfix > div').html() + '<p style="color:green;">📖 ' + agrs + '</p>');
        }
        
        if (_TimuType == 0) {
            var idx = optsText.findIndex(t => t == agrs);
            if (idx != -1) $($opts[idx]).parent().click();
        } else if (_TimuType == 1) {
            var ansArr = splitAnswer(agrs);
            $opts.each((i, t) => {
                if (ansArr.includes(optsText[i])) $($opts[i]).parent().click();
            });
        } else if (_TimuType == 2) {
            fillBlankAnswer($timu, agrs, false, null);
        } else if (_TimuType == 3) {
            handlePCJudge($timu, agrs);
        } else if (_TimuType == 4) {
            fillShortAnswer($timu, agrs, false, null);
        }
        
        log('✅ PC第' + (c + 1) + '题自动答题成功', 'green');
        setTimeout(() => startDoWork(c + 1, TiMuList), setting.time);
    }).catch(() => {
        log('⚠️ PC第' + (c + 1) + '题获取答案失败，跳过', 'orange');
        setTimeout(() => startDoWork(c + 1, TiMuList), setting.time);
    });
}

function switchMission() {
    isProcessing = false;
    missionStart();
}



function toNextExam() {
    if (setting.examTurn) {
        var $nextbtn = $('.mark_table .whiteDiv .nextDiv a.jb_btn');
        var delay = setting.examTurnTime ? 2000 + (Math.floor(Math.random() * 5 + 1) * 1000) : 2000;
        setTimeout(() => $nextbtn.click(), delay);
        log('⏭️ ' + (delay/1000) + '秒后自动跳转下一题', 'blue');
    }
}

function base64ToUint8Array(base64) {
    var data = window.atob(base64);
    var buf = new Uint8Array(data.length);
    for (var i = 0; i < data.length; i++) buf[i] = data.charCodeAt(i);
    return buf;
}

function decryptFont() {
    if (setting.decrypt !== 1) return;
    
    try {
        if (!TyprInstance || !TyprInstance.U || !TyprInstance.parse) {
            try {
                if (typeof unsafeWindow !== 'undefined' && unsafeWindow.Typr) {
                    TyprInstance = unsafeWindow.Typr;
                } else if (typeof window !== 'undefined' && window.Typr) {
                    TyprInstance = window.Typr;
                } else if (typeof Typr !== 'undefined') {
                    TyprInstance = Typr;
                } else if (typeof unsafeWindow !== 'undefined' && unsafeWindow.TyprMd5) {
                    TyprInstance = unsafeWindow.TyprMd5;
                } else if (typeof TyprMd5 !== 'undefined') {
                    TyprInstance = TyprMd5;
                }
            } catch(e) {}
            
            if (!TyprInstance || !TyprInstance.U) {
                log('进行中，加急中，请稍等~~~', 'blue');
                setTimeout(decryptFont, 1000);
                return;
            }
        }
        
        var $tip = $('style:contains(font-cxsecret)');
        if (!$tip.length) {
            return;
        }
        
        var styleText = $tip.text();
        var fontBase64 = null;
        
        var match1 = styleText.match(/base64,([\w\W]+?)'/);
        if (match1 && match1[1]) fontBase64 = match1[1];
        
        if (!fontBase64) {
            var match2 = styleText.match(/url\("data:application\/font-woff;charset=utf-8;base64,([\w\W]+?)"\)/);
            if (match2 && match2[1]) fontBase64 = match2[1];
        }
        
        if (!fontBase64) {
            var match3 = styleText.match(/url\('data:application\/font-woff;charset=utf-8;base64,([\w\W]+?)'\)/);
            if (match3 && match3[1]) fontBase64 = match3[1];
        }
        
        if (!fontBase64) return;
        
        var fontUint8Array = base64ToUint8Array(fontBase64);
        var parsedFont = TyprInstance.parse(fontUint8Array);
        if (!parsedFont || parsedFont.length === 0) return;
        
        var font = parsedFont[0];
        var tableJson = GM_getResourceText('Table');
        if (!tableJson) return;
        
        var table;
        try {
            table = JSON.parse(tableJson);
        } catch(e) {
            return;
        }
        
        var match = {};
        var matchCount = 0;
        
        for (var i = 19968; i < 40870; i++) {
            var glyph = TyprInstance.U.codeToGlyph(font, i);
            if (!glyph) continue;
            
            var path = TyprInstance.U.glyphToPath(font, glyph);
            if (!path) continue;
            
            var pathStr = JSON.stringify(path);
            var hash = md5(pathStr);
            if (!hash) continue;
            
            var hashKey = hash.slice(24);
            var realChar = table[hashKey];
            
            if (realChar !== undefined && realChar !== null && realChar !== 0) {
                match[i] = realChar;
                matchCount++;
            }
        }
        
        if (matchCount === 0) return;
        
        var $elements = $('.font-cxsecret');
        if ($elements.length === 0) return;
        
        $elements.each(function() {
            var $el = $(this);
            var html = $el.html();
            if (!html) return;
            
            for (var code in match) {
                var encryptedChar = String.fromCharCode(parseInt(code));
                var realChar = String.fromCharCode(match[code]);
                var escapedChar = encryptedChar.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
                var regex = new RegExp(escapedChar, 'g');
                html = html.replace(regex, realChar);
            }
            
            if ($el.html() !== html) {
                $el.html(html);
                $el.removeClass('font-cxsecret');
            }
        });
        
        log('✅ 字体解密完成！已还原 ' + matchCount + ' 个字符', 'green');
        
    } catch(e) {
        log('❌ 字体解密失败: ' + e.message, 'red');
    }
}

function showPikaqiu() {
    if (!setting.maskImg) return;
    if (pikaqiuAdded) return;
    try {
        var targetDoc = top.document;
        if (targetDoc.querySelector('#pikaqiu-img')) return;
        var imgHtml = '<img id="pikaqiu-img" src="" style="position:fixed;bottom:20px;left:20px;z-index:99999;width:100px;cursor:pointer;opacity:0.7;" title="挂机助手">';
        $(targetDoc.body).append(imgHtml);
        pikaqiuAdded = true;
        $('#pikaqiu-img', targetDoc).click(function() {
            var $box = $('#ne-21box', targetDoc);
            if ($box.length) {
                if ($box.css('display') === 'none') {
                    $box.css('display', 'block');
                    isBoxHidden = false;
                } else {
                    $box.css('display', 'none');
                    isBoxHidden = true;
                }
            }
        });
    } catch(e) {}
}
 
function showBox() {
    if (!setting.showBox) return;
    try {
        var targetDoc = top.document;
        if (targetDoc.querySelector('#ne-21box')) {
            flushLogs();
            quotaInfo = getQuotaInfo();
            updateQuotaDisplay();
            return;
        }
    } catch(e) {}
    
    var boxHtml = `
    <div id="ne-21box" style="position:fixed;top:5%;right:20%;z-index:99999;width:480px;background:#fff;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,0.15);font-size:14px;max-height:90vh;overflow-y:auto;font-family: sans-serif;">
        <div style="display:flex;justify-content:space-between;padding:12px 15px;border-bottom:1px solid #eee;">
            <h3 style="margin:0;font-size:16px;">挂机助手V1</h3>
            <span id="ne-21close" style="cursor:pointer;color:#999;">不显示</span>
        </div>
        <div id="ne-21notice" style="padding:12px 15px;border-bottom:1px solid #eee;background:#f9f9f9;"></div>
        <div style="padding:15px;">
            <div style="margin-bottom:15px;padding:10px;background:#f5f5f5;border-radius:4px;">
                <div style="margin-bottom:8px;font-weight:bold;">获取key值</div>
                <div style="display:flex;align-items:center;gap:8px;flex-wrap:wrap;">
                    <input type="password" id="apiKeyInput" placeholder="联系站长获取" style="flex:1;padding:6px;border:1px solid #ddd;border-radius:4px;">
                    <button id="saveApiKeyBtn" style="padding:6px 12px;background:#4CAF50;color:#fff;border:none;border-radius:4px;cursor:pointer;">保存并测试</button>
                </div>
                <div id="quotaInfo" style="font-size:12px;margin-top:8px;color:#666;">请联系站长</div>
                <div id="testResult" style="font-size:12px;margin-top:5px;color:#999;"></div>
            </div>
          
            <div style="margin-bottom:15px;padding:10px;background:#fff3e0;border-radius:4px;">
                <div style="margin-bottom:12px;font-weight:bold;">建议默认</div>
                <div>
                    <span>播放进度: <span id="rateValue">${setting.rate.toFixed(2)}</span>x</span>
                    <input type="range" id="videoRateSlider" min="1" max="16" step="0.25" value="${setting.rate}" style="width:100%;margin-top:8px;">
                </div>
                <div style="margin-top:10px;">
                    <label><input type="checkbox" id="showProgressBarCheck" ${setting.showProgressBar ? 'checked' : ''}> 当前进度~~~</label>
                </div>
            </div>

            <!-- 日志 -->
            <div id="ne-21log" style="margin-top:12px;max-height:250px;overflow-y:auto;font-size:12px;background:#fafafa;border-radius:4px;padding:8px;"></div>
        </div>
    </div>
    `;
    
    try {
        $(top.document.body).append(boxHtml);
    } catch(e) {
        $(document.body).append(boxHtml);
    }
	
    
    setTimeout(function() {
        try {
            var targetDoc = top.document;
            if (!targetDoc.querySelector('#ne-21close')) {
                targetDoc = document;
            }
            
            $('#ne-21close', targetDoc).click(function() {
                $('#ne-21box', targetDoc).hide();
                isBoxHidden = true;
            });
            
            var moreBtn = targetDoc.getElementById('moreSettingsBtn');
            var moreSet = targetDoc.getElementById('moreSettings');
            var visible = false;
            if (moreBtn) {
                moreBtn.onclick = function() {
                    moreSet.style.display = visible ? 'none' : 'block';
                    moreBtn.textContent = visible ? '设置' : '关闭设置';
                    visible = !visible;
                };
            }
            
            $('input[name="videoMode"]', targetDoc).change(function() {
                setting.videoMode = this.value;
                GM_setValue('videoMode', setting.videoMode);
                log('切换: ' + (setting.videoMode === 'simulate' ? '上报' : '播放'), 'green');
            });
            
            $('#videoRateSlider', targetDoc).on('input', function() {
                $('#rateValue', targetDoc).text(parseFloat(this.value).toFixed(2));
            }).on('change', function() {
                var newRate = parseFloat(this.value);
                setting.rate = newRate;
                GM_setValue('videoRate', newRate);
                if (currentVideoWorker && isVideoTaskActive) {
                    currentVideoWorker.postMessage({ type: 'updateRate', rate: newRate });
                }
                log('倍速: ' + newRate.toFixed(2) + 'x', 'green');
            });
            
            $('#showProgressBarCheck', targetDoc).change(function() {
                setting.showProgressBar = this.checked ? 1 : 0;
                GM_setValue('showProgressBar', setting.showProgressBar);
            });
            
            $('#goToTkBtn', targetDoc).click(function() {
                GM_openInTab('', { active: true });
            });
            
            $('#saveApiKeyBtn', targetDoc).click(function() {
                var key = $('#apiKeyInput', targetDoc).val();
                if (key && key.trim()) {
                    var $testResult = $('#testResult', targetDoc);
                    $testResult.html('⏳ 测试中...').css('color', '#666');
                    
                    testApi(key.trim(), 0).then(function(res) {
                        GM_setValue('api_key', key.trim());
                        log('验证有效', 'green');
                        if (res.quota_info) {
                            updateQuotaInfo(res.quota_info);
                            var remaining = res.quota_info.remaining || 0;
                            var freeRemaining = res.quota_info.free_remaining || 0;
                            $testResult.html('剩余次数: ' + remaining + ' | 免费: ' + freeRemaining).css('color', 'green');
                        } else {
                            $testResult.html('密钥有效').css('color', 'green');
                        }
                        $('#apiKeyInput', targetDoc).val('');
                        $('#apiKeyInput', targetDoc).attr('placeholder', '已设置');
                        updateQuotaDisplay();
                        setTimeout(function() {
                            $testResult.html('');
                        }, 5000);
                    }).catch(function(err) {
                        $testResult.html('无效: ' + err).css('color', 'red');
                        log('无效请联系站长: ' + err, 'red');
                        setTimeout(function() {
                            $testResult.html('');
                        }, 5000);
                    });
                } else {
                    var existingKey = getApiKey();
                    if (existingKey) {
                        var $testResult = $('#testResult', targetDoc);
                        $testResult.html(' 密钥...').css('color', '#666');
                        
                        testApi(existingKey, 0).then(function(res) {
                            if (res.quota_info) {
                                updateQuotaInfo(res.quota_info);
                                var remaining = res.quota_info.remaining || 0;
                                var freeRemaining = res.quota_info.free_remaining || 0;
                                $testResult.html(' 剩余次数: ' + remaining + ' | 免费: ' + freeRemaining).css('color', 'green');
                            } else {
                                $testResult.html(' 有效').css('color', 'green');
                            }
                            updateQuotaDisplay();
                            setTimeout(function() {
                                $testResult.html('');
                            }, 5000);
                        }).catch(function(err) {
                            GM_setValue('api_key', '');
                            quotaInfo = { remaining: 0, free_remaining: 0, recharge_balance: 0, today_free_usage: 0 };
                            saveQuotaInfo();
                            updateQuotaDisplay();
                            $testResult.html(' 请重新输入').css('color', 'red');
                            log('请重新设置', 'orange');
                            setTimeout(function() {
                                $testResult.html('');
                            }, 5000);
                        });
                    } else {
                        log(' 密钥', 'red');
                        $('#testResult', targetDoc).html(' 密钥').css('color', 'red');
                        setTimeout(function() {
                            $('#testResult', targetDoc).html('');
                        }, 3000);
                    }
                }
            });
            
            var timeIntervalInput = targetDoc.getElementById('timeInterval');
            if (timeIntervalInput) {
                timeIntervalInput.addEventListener('change', function(e) {
                    var newTime = parseInt(e.target.value);
                    if (newTime >= 1000 && newTime <= 10000) {
                        setting.time = newTime;
                        localStorage.setItem('GPTJsSetting.time', newTime);
                        log('⚙️ 答题间隔: ' + newTime + 'ms', 'blue');
                    } else {
                        e.target.value = setting.time;
                    }
                });
            }
            
            var settingsList = ['sub', 'force', 'examTurn', 'goodStudent', 'alterTitle', 'review'];
            settingsList.forEach(function(id) {
                var cb = targetDoc.getElementById('GPTJsSetting.' + id);
                if (cb) {
                    var newCb = cb.cloneNode(true);
                    cb.parentNode.replaceChild(newCb, cb);
                    var savedValue = localStorage.getItem('GPTJsSetting.' + id);
                    newCb.checked = savedValue !== null ? savedValue === 'true' : setting[id];
                    newCb.addEventListener('change', function(e) {
                        var checked = e.target.checked;
                        var settingKey = e.target.id.replace('GPTJsSetting.', '');
                        setting[settingKey] = checked;
                        localStorage.setItem(e.target.id, checked);
                        log('⚙️ ' + settingKey + ' = ' + checked, 'blue');
                    });
                }
            });
            
            var savedTime = localStorage.getItem('GPTJsSetting.time');
            if (savedTime) {
                setting.time = parseInt(savedTime);
                if (timeIntervalInput) timeIntervalInput.value = setting.time;
            }
            
            var savedKey = getApiKey();
            if (savedKey) {
                $('#apiKeyInput', targetDoc).attr('placeholder', '已设置');
                testApi(savedKey, 0).then(function(res) {
                    if (res.quota_info) {
                        updateQuotaInfo(res.quota_info);
                    }
                    log(' 有效', 'green');
                }).catch(function(err) {
                    GM_setValue('api_key', '');
                    quotaInfo = { remaining: 0, free_remaining: 0, recharge_balance: 0, today_free_usage: 0 };
                    saveQuotaInfo();
                    updateQuotaDisplay();
                    log(' 重新设置', 'orange');
                });
            } else {
                updateQuotaDisplay();
            }
            
            $('#ne-21notice', targetDoc).html('<div style="font-size:12px;">一、售后-在线客服1：3319450748（QQ） ；在线客服2：3885512520 （QQ）如遇到无法打开请联系站长</div></n><div style="font-size:12px; color:red; font-weight:bold;">二、如果需要同时进行多门课程，请联系站长合作，一对一辅导课程，机构老师合作可优惠刷</div></n><div style="font-size:12px; color:green; font-weight:bold;">三、支持课程：青书学堂 / 智慧职教 / U校园 / 毕业论文 / 国家开放大学 / 画课堂 / 学起 / 雨课堂/学堂云等等</div>');
            
            flushLogs();
            showPikaqiu();
        } catch(e) {
            console.error('失败:', e);
        }
    }, 100);
}
 
$(document).keydown(function(e) {
    if (e.keyCode == 120) {
        var $box = $('#ne-21box');
        if ($box.length === 0) return;
        if (isBoxHidden) {
            $box.show();
            isBoxHidden = false;
            log(' 显示', 'green');
        } else {
            $box.hide();
            isBoxHidden = true;
            log(' 隐藏 ', 'blue');
        }
    }
});
 
function getTaskParams() {
    try {
        var scripts = _d.scripts;
        for (let i = 0; i < scripts.length; i++) {
            if (scripts[i].innerHTML.indexOf('mArg = "";') != -1 && scripts[i].innerHTML.indexOf('==UserScript==') == -1) {
                return getStr(scripts[i].innerHTML.replace(/\s/g, ""), 'try{mArg=', ';}catch');
            }
        }
        return null;
    } catch(e) {
        return null;
    }
}
 
 
$(function() {
    var savedServerIndex = GM_getValue('current_server_index', 0);
    if (savedServerIndex >= 0 && savedServerIndex < API_SERVERS.length) {
        CURRENT_SERVER_INDEX = savedServerIndex;
    }
    
    setting.videoMode = GM_getValue('videoMode', 'simulate');
    setting.rate = GM_getValue('videoRate', 1);
    setting.showProgressBar = GM_getValue('showProgressBar', 1);
    
    var settingsMap = {
        'sub': 'sub',
        'force': 'force',
        'examTurn': 'examTurn',
        'goodStudent': 'goodStudent',
        'alterTitle': 'alterTitle',
        'review': 'review',
        'time': 'time'
    };
    
    for (var key in settingsMap) {
        var val = localStorage.getItem('GPTJsSetting.' + key);
        if (val !== null) {
            if (key === 'time') {
                setting[settingsMap[key]] = parseInt(val);
            } else {
                setting[settingsMap[key]] = val === 'true';
            }
        }
    }
    
    _w.confirm = function() { return true; };
    
    if (setting.decrypt) {
        setTimeout(decryptFont, 2000);
        setTimeout(function() {
            if ($('.font-cxsecret').length > 0) {
                decryptFont();
            }
        }, 5000);
        setTimeout(function() {
            if ($('.font-cxsecret').length > 0) {
                decryptFont();
            }
        }, 10000);
    }
    
    if (_l.pathname == '/login' && setting.autoLogin) {
        showBox();
        waitForElement('#phone').then(() => {
            $('#phone').val(setting.phone);
            $('#pwd').val(setting.password);
            $('#loginBtn').click();
        });
    } else if (_l.pathname.includes('/mycourse/studentstudy')) {
        showBox();
        log(' 视频模式: ' + (setting.videoMode === 'simulate' ? '模拟上报' : '正常播放') + ' | 倍速: ' + setting.rate.toFixed(2) + 'x', 'green');
    } else if (_l.pathname.includes('/knowledge/cards')) {
        showBox();
        var params = getTaskParams();
        
        if (!params || params == '$mArg') {
            log('处理', 'red');
            
            if (!hasTriggeredNoTaskJump) {
                hasTriggeredNoTaskJump = true;
                setTimeout(() => {
                    toNext();
                }, 2000);
            }
            return;
        }
        
        try {
            var allTasks = $.parseJSON(params).attachments;
            if (!allTasks || allTasks.length <= 0) {
                log(' 可处理', 'red');
                
                if (!hasTriggeredNoTaskJump) {
                    hasTriggeredNoTaskJump = true;
                    setTimeout(() => {
                        toNext();
                    }, 2000);
                }
                return;
            }
        } catch(e) {
            log(' 参数失败', 'red');
            return;
        }
        
        waitForElement('.wrap .ans-cc .ans-attach-ct').then(() => {
            if (top.checkJob) top.checkJob = function() { return false; };
            
            var allTasks = $.parseJSON(params).attachments;
            _defaults = $.parseJSON(params).defaults;
            
            var pendingTasks = [];
            for (var i = 0; i < allTasks.length; i++) {
                var task = allTasks[i];
                if (!isTaskCompleted(task)) {
                    pendingTasks.push(task);
                } else {
                    var taskName = task.property?.name || task.property?.title || '任务点' + (i+1);
                    log('任务点 ' + taskName + ' 已完成，跳过', 'green');
                }
            }
            
            pendingMissionCount = pendingTasks.length;
            completedMissionCount = 0;
            
            if (pendingMissionCount === 0) {
                log(' 已完成', 'green');
                setTimeout(() => {
                    toNext();
                }, 2000);
                return;
            }
            
            log('发现 ' + allTasks.length + '  其中 ' + pendingMissionCount + ' 个待处理', 'green');
            
            _mlist = [];
            _domList = [];
            
            $('.wrap .ans-cc .ans-attach-ct').each((i, t) => {
                if (i < allTasks.length && !isTaskCompleted(allTasks[i])) {
                    _mlist.push(allTasks[i]);
                    _domList.push($(t).find('iframe'));
                }
            });
            
            if (_mlist.length > 0) {
                log('开始处理 ' + _mlist.length + ' 个待完成任务', 'green');
                missionStart();
            } else {
                log('已完成', 'green');
                setTimeout(() => {
                    toNext();
                }, 2000);
            }
        }).catch(() => {
            log('❌ 等待元素超时', 'red');
            
            if (!hasTriggeredNoTaskJump) {
                hasTriggeredNoTaskJump = true;
                setTimeout(() => {
                    toNext();
                }, 2000);
            }
        });
    } else if (_l.pathname.includes('/exam/test/reVersionTestStartNew')) {
        showBox();
        waitForElement('.mark_table .whiteDiv').then(() => missonExam());
    } else if (_l.pathname.includes('/mooc2/work/dowork')) {
        showBox();
        waitForElement('.mark_table form').then(() => missonHomeWork());
    } else if (_l.pathname.includes('/work/phone/doHomeWork')) {
        var _oldal = _w.alert;
        _w.alert = function(msg) {
            if (msg == '保存成功') return;
            return _oldal(msg);
        };
        var _oldcf = _w.confirm;
        _w.confirm = function(msg) {
            if (msg.includes('确认提交') || msg.includes('未做完')) return true;
            return _oldcf(msg);
        };
    }
});


function reinitTaskList() {
    if (isProcessing) {
        log(' 重新初始化', 'orange');
        setTimeout(reinitTaskList, 3000);
        return;
    }
    
    forceCleanupAll();
    
    var params = getTaskParams();
    if (!params || params == '$mArg') {
        log(' 参数', 'red');
        return;
    }
    
    try {
        var allTasks = $.parseJSON(params).attachments;
        if (!allTasks || allTasks.length <= 0) {
            log(' 无任务点', 'red');
            return;
        }
        
        _defaults = $.parseJSON(params).defaults;
        
        var pendingTasks = [];
        for (var i = 0; i < allTasks.length; i++) {
            var task = allTasks[i];
            if (!isTaskCompleted(task)) {
                pendingTasks.push(task);
            }
        }
        
        pendingMissionCount = pendingTasks.length;
        
        if (pendingMissionCount === 0) {
            log(' 已完成', 'green');
            return;
        }
        
        log(' 发现 ' + pendingMissionCount + ' 个待处理任务', 'green');
        
        _mlist = [];
        _domList = [];
        
        $('.wrap .ans-cc .ans-attach-ct').each((i, t) => {
            if (i < allTasks.length && !isTaskCompleted(allTasks[i])) {
                _mlist.push(allTasks[i]);
                _domList.push($(t).find('iframe'));
            }
        });
        
        if (_mlist.length > 0 && !isProcessing) {
            log(' 剩余任务', 'green');
            missionStart();
        }
    } catch(e) {
        log(' 失败: ' + e.message, 'red');
    }
}
var lastChapterUrl = _l.href;
setInterval(function() {
    if (_l.href !== lastChapterUrl) {
        lastChapterUrl = _l.href;
        forceCleanupAll();
        setTimeout(function() {
            if (_l.pathname.includes('/knowledge/cards')) {
                reinitTaskList();
            }
        }, 3000);
    }
}, 2000);

window.addEventListener('beforeunload', function() {
    forceCleanupAll();
});