{{storageError}} YOUR EVERYDAY TOOLS常用工具，随手就用。把学习与日常的小帮手，放在同一个地方。{{toolCount}} 个可用工具无需业务登录 · 数据保存在本机 {{toolQuery ? '搜索结果' : '全部工具'}}{{toolQuery ? toolCards.length + ' 个工具' : '拖动 ⠿ 调整顺序'}} ⠿{{item.icon}}{{item.category}}{{item.name}}{{item.description}}{{item.id === 'electrician' ? totalQuestions + ' 题 · 8 个场景' : item.caption || '打开工具'}}↗继续{{resumeName}} · {{resumeProgress}} / {{resumeTotal}} 没有找到相关工具换个关键词，或查看全部工具。一个入口，逐步充实。这里展示已经可以使用的工具。电工练习的错题、收藏和学习记录仍保存在原处。商品比价 {{unitPriceStorageError}} 商品名称（选填）总价（元）数量 {{unitPriceDraftError}} 单价 {{unitPriceDraftPrice}} 元/{{unitPriceUnit || '单位'}} 单位选填，同组请统一。数量单位本次比价{{unitPrice.count}} 件 {{unitPrice.tied ? '并列最低单价' : '最低单价'}} {{unitPrice.bestPrice}}元/{{unitPriceUnit || '单位'}} {{unitPrice.bestNames}} 较最高单价低 {{unitPrice.saving}}% 排名商品总价（元）数量{{unitPriceUnit ? '（' + unitPriceUnit + '）' : ''}}单价（元/{{unitPriceUnit || '单位'}}） ↑ {{item.rank}} {{item.label}}{{unitPrice.tied ? '并列最低' : '最划算'}} ¥{{item.price}} · {{item.quantity}} {{unitPriceUnit || '单位'}} {{item.price}} {{item.quantity}} {{item.priceText}}元/{{unitPriceUnit || '单位'}} 添加两件或更多商品后即可比较单价。再添加一件商品即可比价。还没有比价记录保存一组比价后，可以在这里查看。 {{item.title}} {{item.stamp}} · {{item.count}} 件商品 {{item.tied ? '并列最划算' : '最划算'}} · {{item.bestNames}} {{item.bestPrice}} 元/{{item.unit || '单位'}} {{line.label}}{{item.tied ? '并列最低' : '最划算'}} {{line.price}} 元 ÷ {{line.quantity}}{{item.unit ? ' ' + item.unit : ''}}{{line.priceText}} 元/{{item.unit || '单位'}} 江苏油价江苏省发改委最高零售价油价消息 {{fuel.pendingUrl ? '官方调价已公布' : '本轮调价预测'}} · {{fuel.directionLabel}} {{fuel.pendingEffectiveDate}} 00:00 起执行（北京时间）。各油品新价见下方对比。预计 {{fuel.windowDate}} 24:00 调价。金联创 {{fuel.forecast.date}} 测算，原油变化率 {{fuel.forecast.rate}}%，{{fuel.forecast.headline}}，折算{{fuel.forecast.perLitre}}。按 {{fuelLitres}} 升计算，{{fuelCost.label}} {{fuelCost.amount}} 元。江苏现行油价 · {{fuel.effectiveDate}} 生效 {{item.name}} {{item.price}} 元/升 {{fuel.pendingAt ? '新油价生效倒计时' : '下次调价窗口'}} {{fuel.directionLabel}} {{fuel.pendingAt ? fuel.pendingEffectiveDate + ' 00:00 生效' : '预计 ' + fuel.windowDate + ' 24:00'}} · 北京时间 {{item.value}} {{item.unit}} {{fuelBusy ? '正在核对调价消息…' : '新油价待官方公告'}} 机构预测 {{fuel.forecast.perLitre || fuel.forecast.headline}} 调价前后费用差加油量升 {{fuelCost.label}} {{fuelCost.amount}} 元 {{item.name}} {{item.text}} {{fuelLitres ? '请输入大于 0 的升数，最多两位小数。' : '输入升数后计算费用差。'}} {{fuel.forecast.perLitre ? fuel.forecast.headline + ' · ' : ''}}原油变化率 {{fuel.forecast.rate}}% {{fuel.forecast.date}} · 第{{fuel.forecast.workday}}个工作日参考原油均价 {{fuel.forecast.crudeAverage}} 美元/桶 {{fuel.forecast.perLitre ? '升价按江苏标准品估算，实际以官方公告为准。' : '实际以官方公告为准。'}} 当前油价 {{fuel.effectiveDate}} 00:00 起执行 {{fuel.live ? '今日已生效' : '公告快照'}} 长按卡片，左右拖动排序 {{item.name}} {{item.price}} 元/升比上一期 {{item.previousChange}} {{item.previousPercent}} {{fuel.pendingUrl ? '比调价后' : '比下次预计价'}} {{item.versusNext.text}} 差额按各油品的吨价和升价换算，仅供参考。各油品预计新价单位为元/升，按金联创预测折算油品当前价预计价 {{item.name}} {{item.price}} → {{item.estimatedPrice}} 每升变动 {{item.estimatedChange}} 元加 {{fuelLitres}} 升的预计差额 {{item.name}}{{item.text}} 实际调价以江苏省发改委公告为准。 {{fuel.pendingAt ? '调价后油价' : '本次价格持平'}}元/升 {{fuel.pendingEffectiveDate}} 00:00 生效（北京时间）油品当前价调价后 {{item.name}} {{item.price}} → {{item.nextPrice}} {{item.nextChange}} 下次调价窗口 {{fuelBusy ? '正在核对官方调价公告…' : '下次窗口时间待核对。'}} 近期调价记录按生效日排列，括号内为较上期的变化，单位为元/升。 {{record.date}} {{item.name}} {{item.price}} （{{item.change}}）调价日历按调价周期推算，时间以官方公告为准（北京时间）。 {{item.date}} 24:00{{item.label}} 微信涨价提醒待开通。需要适用的微信订阅模板、你的订阅授权和消息发送服务，开通后按官方涨价公告提醒。 {{fuelError}} 公告核对时间 {{fuel.checkedTime}}（北京时间）当前版本展示内置公告，最新油价可在江苏省发改委官网查询。实际价格以加油站挂牌为准。 Steam 倒余额手动输入进货价、售价和费率。找一件物品Steam 社区市场 ⌕ {{marketNotice}} 正在查询市场价格分别读取 Steam 人民币与美元报价暂时无法查询{{marketError}} ⌕价格，查清再算。搜索一个名称，或从热门物品开始。 {{marketQuery || '热门物品'}}{{marketTotal}} 个结果{{marketStamp}} 更新没有找到相关物品试试英文名称，或切换所属游戏。 {{marketQuoteError}} 物品Steam 报价操作 {{item.name}}{{item.englishName}}在售 {{item.listings}} 件 {{item.cnyText || item.priceText}}{{item.price ? item.priceText + ' USD' : '美元报价暂不可用'}}{{item.available ? 'USD · 最低在售' : '暂不可用'}}人民币待核价第 {{marketStart / 10 + 1}} 页查询时最低在售价，计算前会重新核价。 {{marketPriceInfo}}美元价格为最低在售价，按市场热度排序；不同磨损与规格分别展示。预计净利润{{steamResult.rows[3].text}} 入账折扣{{steamResult.rows[5].text}} 交易价格人民币 CNY 进货价格¥ 买家应付¥ 已选市场报价{{steamPriceSource}} 手续费率 % {{steamResult.badge}} · {{steamAuto ? '按所选物品报价估算' : '按实际交易费率填写'}} {{steamResult.error}} 预计收益 {{item.label}}{{item.hint}}{{item.text}} ¥输入价格，即可计算。填写进货价与买家应付，入账、利润和折扣会显示在这里。金额统一使用人民币，收益为估算结果。手动费率直接用于人民币买家应付。自动估算仅适用于已选市场物品，以其美元报价匹配原工具的百分比，再计算人民币手续费；手填或修改售价后使用手动费率。原美元阶梯为：≤ $0.03 涉及美元固定费，不用于人民币自动估算，请手动确认。其后依次为 30%（≤ $0.09）、25%（≤ $0.99）、15%（≤ $9.99）、12.75%（≤ $49.99）、12.25%（≤ $99.99）、12%。并非已核验的官方实时费率，可切换手动填写。结果最多显示 8 位小数，以实际交易入账为准。 COMPARE / FIND / CHECK两份清单，一眼对清。支持中文、字母、数字、下划线和连字符；精确匹配，区分大小写。点号、空格、换行、逗号、分号等标点自动分隔；前导零保留。数据只在当前页面内处理，每侧最多 5 万字符。左侧编号集

<view class="spread small muted"><text>总数 {{idLeftStats.total}} · 唯一 {{idLeftStats.unique}}</text><text>重复项 {{idLeftStats.duplicateCount}}</text></view><view wx:if="{{idLeftStats.duplicateCount}}" class="identifier-duplicates"><view wx:for="{{idLeftStats.duplicates}}" wx:key="id" class="spread"><text class="identifier-id">{{item.id}}</text><text class="small">出现 {{item.count}} 次</text></view><text wx:if="{{idLeftStats.hidden}}" class="small muted">另有 {{idLeftStats.hidden}} 种重复编号，重复面板显示前 50 项</text></view><text wx:else class="small muted block spaced">{{idLeftStats.total ? '无重复编号' : '输入后实时统计重复项'}}</text></view>
      <view class="panel identifier-input"><text class="section-title">右侧编号集</text><textarea class="identifier-textarea" aria-label="右侧编号集" value="{{idRight}}" bindinput="identifierInput" data-side="right" maxlength="{{idLimit}}" placeholder="例如：A02 B03 102 小仓库" /><view class="spread small muted"><text>总数 {{idRightStats.total}} · 唯一 {{idRightStats.unique}}</text><text>重复项 {{idRightStats.duplicateCount}}</text></view><view wx:if="{{idRightStats.duplicateCount}}" class="identifier-duplicates"><view wx:for="{{idRightStats.duplicates}}" wx:key="id" class="spread"><text class="identifier-id">{{item.id}}</text><text class="small">出现 {{item.count}} 次</text></view><text wx:if="{{idRightStats.hidden}}" class="small muted">另有 {{idRightStats.hidden}} 种重复编号，重复面板显示前 50 项</text></view><text wx:else class="small muted block spaced">{{idRightStats.total ? '无重复编号' : '输入后实时统计重复项'}}</text></view>
    </view>
    <view class="identifier-actions"><button class="button" bindtap="compareIdentifiers">{{idDirty ? '重新对比' : '开始对比'}}</button><button class="button secondary" bindtap="identifierExample">填充示例</button><button class="action-button danger-text" bindtap="identifierClear">清空两侧</button></view>
    <text wx:if="{{idDirty}}" class="provenance-note">输入已变更，下方仍是上次结果；请点击“重新对比”。</text>
    <view wx:if="{{idCompared}}" class="identifier-results"><view wx:for="{{idGroups}}" wx:key="id" class="panel identifier-result identifier-{{item.id}}"><view class="spread"><text class="section-title">{{item.name}}</text><text class="tag">{{item.symbol}}</text></view><text class="identifier-result-count">{{item.count}}<text class="muted small"> 个唯一编号</text></text><text class="identifier-result-text">{{item.text || '没有符合条件的编号'}}</text><text wx:if="{{item.hidden}}" class="small muted block spaced">显示前 100 项，另有 {{item.hidden}} 项；复制会包含全部结果。</text><button class="button secondary" bindtap="identifierCopy" data-id="{{item.id}}" disabled="{{!item.count || idDirty}}">复制全部结果</button></view></view>
    <view class="note">示例按钮会替换两侧内容。本工具不向外发送清单，也不清除电工学习记录。</view>
  </view>

<view wx:if="{{screen === 'home'}}" class="main-content home">
    <view class="section-top"><view><text class="eyebrow">KEEP LEARNING, STAY SAFE</text><text class="page-title">把知识学扎实，把操作练熟。</text><text class="subtitle">你的低压电工学习，从这里开始。</text></view><view class="local-pill">◎ 离线可用</view></view>
    <view class="hero">
      <view class="hero-copy"><text class="hero-kicker">今天，也进步一点。</text><text class="hero-title">懂原理，<text class="lime">更懂安全。</text></text><text class="hero-description">理论打基础，模拟练思路。<text class="block">每天一小步，慢慢把知识变成本领。</text></text><button class="button lime-button" bindtap="startQuiz" data-mode="daily" data-category="all">开始今日练习 <text>↗</text></button><text class="hero-foot">当前范围 {{practiceQuestionCount}} 题 / 8 个实操场景</text></view>
      <view class="circuit-art"><view class="art-label">CONTROL CIRCUIT / 01</view><view class="art-rail left-rail"></view><view class="art-rail right-rail"></view><view class="circuit-row"><text class="circuit-tag">L</text><view class="circuit-line"></view><view class="circuit-contact">┤ ├</view><view class="circuit-line"></view><view class="circuit-coil">KM</view><view class="circuit-line"></view><text class="circuit-tag">N</text></view><view class="art-branch"><text>SB1</text><view class="branch-line"></view><text>SELF-HOLD</text></view><view class="art-motor"><text>M</text><view class="motor-pulse"></view></view><view class="art-caption"><text class="status-dot"></text> SAFETY FIRST. ALWAYS.</view></view>
    </view>
    <view class="update-banner"><view><text class="eyebrow">UPDATED / 2026.10.29</text><text class="card-title block">新增 {{recentCount}} 道新规与实操专题</text><text class="muted block">按现行文件自编，逐题附依据。默认练习已排除 2019 历史题。</text></view><button class="button" bindtap="startRecent">刷这 {{recentCount}} 题 ↗</button><button class="action-button text-green" bindtap="openBank">查看依据与近期题库入口 →</button></view>
    <view class="stats-row"><view class="stat"><text class="stat-value">{{stats.today}}<text class="stat-unit">题</text></text><text class="muted">今日已练</text></view><view class="stat"><text class="stat-value">{{stats.done}}<text class="stat-unit">/ {{totalQuestions}}</text></text><text class="muted">已学习题目</text></view><view class="stat"><text class="stat-value">{{stats.total ? stats.accuracy + '%' : '—'}}</text><text class="muted">累计正确率</text></view><view class="stat"><text class="stat-value">{{stats.streak}}<text class="stat-unit">天</text></text><text class="muted">连续练习</text></view></view>
    <view wx:if="{{hasQuiz}}" class="resume-banner" bindtap="resume"><view><text class="strong">继续上次的{{resumeName}}</text><text class="muted block">已答 {{resumeProgress}} / {{resumeTotal}} 题，进度保存在本机</text></view><text class="arrow">↗</text></view>
    <view class="home-grid"><view class="home-primary"><view class="section-heading"><text class="section-title">选一种方式，进入状态</text><text class="small muted">LEARNING PATH</text></view><view class="entry-grid"><view class="entry-card" bindtap="navigate" data-route="theory"><view class="entry-icon green">▤</view><text class="card-title">理论刷题</text><text class="muted">按章节巩固，查看答案与资料说明</text><view class="entry-bottom"><text>{{stats.categories.length}} 个知识章节</text><text>↗</text></view></view><view class="entry-card" bindtap="navigate" data-route="practice"><view class="entry-icon orange">⌘</view><text class="card-title">实操训练</text><text class="muted">仪表、接线、控制与隐患辨识</text><view class="entry-bottom"><text>4 类实操科目</text><text>↗</text></view></view><view class="entry-card" bindtap="startQuiz" data-mode="exam" data-category="all"><view class="entry-icon blue">◷</view><text class="card-title">计时测验</text><text class="muted">独立作答，交卷后统一复盘</text><view class="entry-bottom"><text>20 题 · 20 分钟</text><text>↗</text></view></view></view></view><view class="daily-card"><text class="eyebrow">A LITTLE EVERY DAY</text><text class="card-title">今日小目标</text><view class="goal-number">{{stats.today}}<text> / {{goal}} 题</text></view><view class="progress-track"><view class="progress-fill" style="width:{{stats.goalProgress}}%;"></view></view><text class="muted">{{stats.today >= goal ? '目标已完成，今天的努力已记下。' : '不赶进度，把每一道题弄明白。'}}</text><view class="daily-link" bindtap="navigate" data-route="me">调整我的目标 <text>→</text></view></view></view>
    <view class="tip-strip"><view class="tip-icon">i</view><view><text class="strong">学会判断，比记住答案更重要</text><text class="muted block">默认使用 2026 更新专题，题目为依官方文件自编；历史资料需单独选择。实操为屏幕模拟，现场操作须在合规培训和专业指导下进行。</text></view></view>
  </view>

<view wx:if="{{screen === 'theory'}}" class="main-content">
    <text class="eyebrow">BUILD YOUR FOUNDATION</text><text class="page-title">理论刷题</text><text class="subtitle">从一个章节开始，逐步掌握每个知识点。</text>
    <view class="resume-banner" bindtap="openBank"><view><text class="strong">题库管理与批量导入</text><text class="muted block">当前 {{totalQuestions}} 题 · 可追加 JSON / CSV / TSV 题库</text></view><text class="arrow">↗</text></view><view class="chip-row"><view wx:for="{{bankFilters}}" wx:key="id" class="chip {{bankFilter === item.id ? 'active' : ''}}" bindtap="bankFilterChange" data-id="{{item.id}}">{{item.name}}</view></view><text wx:if="{{bankFilter === 'all' || bankFilter === 'public'}}" class="provenance-note">包含 2019 公开历史复习题，原资料答案未经现行标准逐题核验。建议选择“2026 更新专题”；此筛选作用于新练习，错题与收藏始终显示全部来源。</text><text wx:if="{{bankFilter === 'recent'}}" class="provenance-note">{{recentMeta.count}} 道依现行文件自编的专题题，核对日期 {{recentMeta.checked}}，每题附条款或原理。包含江苏实操规则的题干注明地区，不等同于官方原题。</text><view class="mode-row"><button class="mode-card" bindtap="startQuiz" data-mode="sequential"><text class="mode-icon">▤</text><text class="strong">顺序练习</text><text class="muted small">按题序学习 · 自动记进度</text></button><button class="mode-card" bindtap="startQuiz" data-mode="random"><text class="mode-icon">⇄</text><text class="strong">随机练习</text><text class="muted small">随机抽题 · 每组最多 20 题</text></button><button class="mode-card tinted" bindtap="startQuiz" data-mode="exam"><text class="mode-icon">◷</text><text class="strong">计时测验</text><text class="muted small">20 分钟 · 最多 20 题</text></button></view>
    <view class="section-heading"><text class="section-title">章节练习</text><text class="muted small">当前来源 {{practiceQuestionCount}} 道</text></view><view class="chip-row"><view wx:for="{{allChapters}}" wx:key="id" class="chip {{chapter === item.id ? 'active' : ''}}" bindtap="chapterChange" data-id="{{item.id}}">{{item.name}}</view></view>
    <view wx:if="{{!practiceQuestionCount}}" class="empty-state"><text class="card-title">该来源还没有可练题目</text><text class="muted">可到题库管理批量导入资料。</text><button class="button" bindtap="openBank">管理题库 ↗</button></view><view class="chapter-grid"><view wx:for="{{practiceCategories}}" wx:key="id" class="chapter-card {{chapter !== 'all' && chapter !== item.id ? 'dimmed' : ''}}" bindtap="startQuiz" data-mode="sequential" data-category="{{item.id}}"><view class="chapter-top"><view class="entry-icon {{item.color}}">{{item.icon}}</view><text class="muted small">{{item.count}} 题 <text class="arrow">↗</text></text></view><text class="card-title">{{item.name}}</text><text class="muted">{{item.desc}}</text><view class="progress-track"><view class="progress-fill" style="width:{{item.progress}}%;"></view></view><view class="spread small muted"><text>已学 {{item.done}} / {{item.count}}</text><text>{{item.accuracy === null ? '尚未练习' : '正确率 ' + item.accuracy + '%'}}</text></view></view></view>
    <view class="note">计时测验采用本程序的学习设置；题量与用时不代表正式考试安排。章节筛选同时作用于上方三种练习模式。</view>
  </view>

<view wx:if="{{screen === 'practice'}}" class="main-content">
    <text class="eyebrow">LEARN BY DOING</text><text class="page-title">把操作思路，练在手上。</text><text class="subtitle">从用具检查到应急判断，在模拟场景中巩固关键步骤。</text>
    <view class="practice-banner"><view class="practice-symbol">⌘</view><view><text class="strong">四科目，八个练习场景</text><text class="muted block">参考培训大纲的实操分类，自编交互练习；已完成 {{stats.practiced}} / 8 个场景。</text></view></view>
    <view class="chip-row"><view wx:for="{{practiceGroups}}" wx:key="*this" class="chip {{practiceFilter === item ? 'active' : ''}}" bindtap="practiceGroup" data-group="{{item}}">{{item}}</view></view>
    <view class="practice-grid"><view wx:for="{{scenarios}}" wx:key="id" class="practice-card" bindtap="openPractice" data-id="{{item.id}}"><view class="practice-card-art art-{{item.kind}}"><text class="practice-art-icon">{{item.icon}}</text><view class="art-mini-line"></view><text class="practice-art-type">{{item.kindLabel}}</text><text wx:if="{{item.score !== null}}" class="completion-tag">已练 · {{item.score}} 分</text></view><view class="practice-card-body"><text class="eyebrow">{{item.group}}</text><text class="card-title">{{item.title}}</text><text class="muted block">{{item.subtitle}}</text><view class="entry-bottom"><text>约 {{item.minutes}} 分钟</text><text>开始训练 ↗</text></view></view></view></view>
    <view class="note">模拟训练用于辅助记忆和判断，不能代替实际操作培训、考核或持证要求。程序内的训练分数不代表正式实操考核成绩。</view>
  </view>

<view wx:if="{{screen === 'notebook'}}" class="main-content notebook">
    <text class="eyebrow">REVIEW. UNDERSTAND. REMEMBER.</text><text class="page-title">把薄弱点，变成得分点。</text><text class="subtitle">错题连续答对两次后自动移出，收藏由你自己管理。</text>
    <view class="book-toolbar"><view class="segmented"><view class="segment {{bookMode === 'wrong' ? 'active' : ''}}" bindtap="bookChange" data-mode="wrong">错题 {{stats.wrong}}</view><view class="segment {{bookMode === 'favorite' ? 'active' : ''}}" bindtap="bookChange" data-mode="favorite">收藏 {{stats.favorites}}</view><view class="segment {{bookMode === 'all' ? 'active' : ''}}" bindtap="bookChange" data-mode="all">全部题库</view></view><input class="search-input" value="{{query}}" bindinput="search" placeholder="搜索题干、知识点或解析" maxlength="100" /></view>
    <view wx:if="{{bookCount}}" class="section-heading"><text class="muted">找到 {{bookCount}} 道题</text><button wx:if="{{bookMode !== 'all'}}" class="button small-button" bindtap="startQuiz" data-mode="{{bookMode}}" data-category="all">{{bookMode === 'wrong' ? '复习全部错题' : '练习全部收藏'}} ↗</button></view>
    <view wx:if="{{!bookCount}}" class="empty-state"><view class="empty-icon">{{bookMode === 'wrong' ? '✓' : '▤'}}</view><text class="card-title">{{query ? '没有找到相关题目' : bookMode === 'wrong' ? '错题本还是空的' : '还没有收藏题目'}}</text><text class="muted">{{query ? '换个关键词试试。' : '先去练几道题，让学习记录慢慢积累。'}}</text><button class="button" bindtap="navigate" data-route="theory">去理论刷题 ↗</button></view>
    <view wx:if="{{bookPages > 1}}" class="pagination"><button class="button secondary small-button" bindtap="bookPageChange" data-delta="-1" disabled="{{bookPage === 1}}">上一页</button><text class="muted">{{bookPage}} / {{bookPages}} 页 · 每页 20 题</text><button class="button secondary small-button" bindtap="bookPageChange" data-delta="1" disabled="{{bookPage === bookPages}}">下一页</button></view><view class="question-list"><view wx:for="{{book}}" wx:key="id" class="question-row"><view class="question-row-main" bindtap="openBookQuestion" data-id="{{item.id}}"><view class="question-meta"><text class="tag">{{item.categoryName}}</text><text class="muted small">{{item.id}} · {{item.typeLabel}}</text><text wx:if="{{bookMode === 'wrong'}}" class="small muted">连续答对 {{item.streak}} / 2</text></view><text class="question-list-title">{{item.title}}</text><text class="small text-green">查看题目与答案 →</text></view><button class="star-button {{item.favorite ? 'favorited' : ''}}" bindtap="favorite" data-id="{{item.id}}">{{item.favorite ? '★' : '☆'}}</button></view></view>
  </view>

<view wx:if="{{screen === 'me'}}" class="main-content">
    <text class="eyebrow">YOUR LEARNING JOURNAL</text><text class="page-title">每一份努力，都有记录。</text><text class="subtitle">无需登录，学习记录只保存在当前设备。</text>
    <view class="profile-grid"><view class="panel"><view class="section-heading"><text class="section-title">近七天练习</text><text class="tag">累计 {{stats.total}} 次作答</text></view><view class="week-chart"><view wx:for="{{stats.week}}" wx:key="label" class="chart-column"><text class="chart-value">{{item.value}}</text><view class="chart-track"><view class="chart-bar {{item.today ? 'today' : ''}}" style="height:{{item.height}}px;"></view></view><text class="small muted">{{item.label}}</text></view></view><text class="small muted">作答次数按提交计算；同题重复练习会累计次数。</text></view><view class="panel"><text class="section-title">每天一个小目标</text><text class="muted block">按自己的节奏来，随时可以调整。</text><view class="goal-options"><button wx:for="{{goalOptions}}" wx:key="*this" class="goal-option {{goal === item ? 'active' : ''}}" bindtap="goalChange" data-goal="{{item}}">{{item}}<text>题 / 天</text></button></view><text class="small muted">今日 {{stats.today}} 题 / 目标 {{goal}} 题</text><view class="progress-track"><view class="progress-fill" style="width:{{stats.goalProgress}}%;"></view></view></view></view>
    <view class="panel"><view class="section-heading"><text class="section-title">知识掌握情况</text><text class="small muted">正确率按累计作答计算</text></view><view wx:for="{{stats.categories}}" wx:key="id" class="mastery-row"><text>{{item.name}}</text><view class="progress-track"><view class="progress-fill" style="width:{{item.accuracy === null ? 0 : item.accuracy}}%;"></view></view><text class="mono muted">{{item.accuracy === null ? '未练' : item.accuracy + '%'}}</text></view></view>
    <view class="profile-grid"><view class="panel"><text class="section-title">最近计时测验</text><text wx:if="{{!examHistory.length}}" class="muted block spaced">还没有交卷记录，完成一次测验后会出现在这里。</text><view wx:for="{{examHistory}}" wx:key="index" class="history-row"><text class="muted">{{item.finishedAt}}</text><text>{{item.correct}} / {{item.total}} 题</text><text class="history-score">{{item.score}} 分</text></view></view><view class="panel"><text class="section-title">我的数据</text><text class="muted block">本机与微信中的记录各自独立，可用备份迁移。</text><view class="backup-actions"><button class="button secondary" bindtap="exportBackup">导出备份</button><button class="button secondary" bindtap="showImport">导入备份</button></view><view class="settings-link" bindtap="openBank"><text>题库管理与批量导入</text><text>→</text></view><view class="settings-link" bindtap="navigate" data-route="about"><text>题库说明与学习依据</text><text>→</text></view><view class="settings-link danger-text" bindtap="requestClear"><text>清空本机学习记录</text><text>→</text></view></view></view>
    <text class="footer-note">电工练习室 0.3 · 题库 {{bankVersion}} · 本地测试版</text>
  </view>

<view wx:if="{{screen === 'quiz'}}" class="main-content quiz-layout">
    <view class="quiz-toolbar"><button class="back-button" bindtap="navigate" data-route="home"><text class="back-icon">‹</text><text>保存并返回</text></button><text class="quiz-mode-label">{{quizMode}}</text><view wx:if="{{isExam}}" class="timer {{timerUrgent ? 'urgent' : ''}}">◷ {{timerLabel}}</view><button wx:else class="action-button" bindtap="requestFinish">结束练习</button></view>
    <view class="spread quiz-progress-label"><text>第 <text class="strong">{{questionNumber}}</text> / {{questionCount}} 题</text><text class="muted small">已答 {{answeredCount}} 题 <text wx:if="{{isExam}}">· 交卷后显示解析</text></text></view><view class="progress-track"><view class="progress-fill" style="width:{{quizProgress}}%;"></view></view>
    <view class="quiz-panel"><view class="spread"><view class="question-meta"><text class="tag green">{{questionType}}</text><text class="small muted">{{categoryName}} · {{current.id}}</text></view><button class="star-button {{isFavorite ? 'favorited' : ''}}" bindtap="favorite">{{isFavorite ? '★ 已收藏' : '☆ 收藏'}}</button></view><text wx:if="{{current.provenance}}" class="provenance-note">来源：{{current.provenance.name}} · {{current.provenance.version}}<text class="block">{{current.recent ? '依据官方文件自编，核对日期 2026-10-29；不是官方原题。' : '参考答案按原资料记录，未按现行标准逐题核验。'}}</text></text><text class="quiz-question">{{current.title}}</text><text wx:if="{{current.type === 'multi'}}" class="note">本题可选多个答案，全部选对才记为正确。</text><view class="options"><button wx:for="{{options}}" wx:key="index" class="option {{item.selected ? 'selected' : ''}} {{item.correct ? 'correct' : ''}} {{item.incorrect ? 'incorrect' : ''}}" bindtap="selectOption" data-index="{{item.index}}"><text class="option-letter">{{item.letter}}</text><text class="option-text">{{item.text}}</text><text class="option-indicator">{{item.correct ? '✓' : item.incorrect ? '×' : item.selected ? '●' : ''}}</text></button></view>
      <view wx:if="{{answered && !isExam}}" class="explanation {{isCorrect ? 'explanation-correct' : 'explanation-wrong'}}"><text class="strong">{{isCorrect ? '✓ 回答正确' : '再巩固一下，已加入错题本'}}</text><text class="explanation-label">答案与资料说明</text><text class="explanation-body">{{current.explanation}}</text><button wx:if="{{current.evidence}}" class="action-button text-green" bindtap="copyQuestionEvidence">复制本题依据链接 ↗</button><text class="small muted block">{{current.source === 'outline' ? '分类参照培训大纲；本题为自编基础学习题。' : '学习参考：' + sourceTitle}}</text></view>
      <view wx:if="{{isExam}}" class="note">选择后自动保存，可通过答题卡修改答案。未答题交卷后按错题计入。</view>
      <view class="quiz-actions"><button class="button secondary" bindtap="previousQuestion" disabled="{{questionNumber === 1}}">上一题</button><button wx:if="{{!isExam && !answered}}" class="button" bindtap="submitAnswer" disabled="{{!canSubmit}}">提交答案</button><button wx:else class="button" bindtap="nextQuestion">{{isLast ? (isExam ? '交卷' : '完成练习') : '下一题 →'}}</button></view>
    </view>
    <view class="quiz-bottom"><button class="action-button" bindtap="toggleGrid">▦ 答题卡 {{answeredCount}} / {{questionCount}}</button><button wx:if="{{isExam}}" class="action-button text-green" bindtap="requestFinish">提前交卷 →</button><text wx:else class="muted small">进度自动保存在本机</text></view>
    <view wx:if="{{showGrid}}" class="panel answer-grid-panel"><view class="spread"><text class="section-title">答题卡</text><button class="action-button" bindtap="toggleGrid">收起 ↑</button></view><view wx:if="{{gridPages > 1}}" class="pagination"><button class="action-button" bindtap="gridChange" data-delta="-1" disabled="{{gridPage === 1}}">上一页</button><text class="muted">{{gridPage}} / {{gridPages}} 页</text><button class="action-button" bindtap="gridChange" data-delta="1" disabled="{{gridPage === gridPages}}">下一页</button></view><view class="answer-grid"><button wx:for="{{dots}}" wx:key="index" class="answer-dot {{item.current ? 'current' : ''}} {{item.answered ? 'done' : ''}} {{item.correct ? 'right' : ''}} {{item.incorrect ? 'wrong' : ''}}" bindtap="jumpQuestion" data-index="{{item.index}}">{{item.label}}</button></view></view>
  </view>

<view wx:if="{{screen === 'result'}}" class="main-content result-layout"><view class="result-card"><text class="eyebrow">PRACTICE MAKES PROGRESS</text><text class="page-title">又向前走了一步。</text><text class="muted">{{result.modeName}} · {{result.finishedAt}}</text><view class="result-score">{{result.mode === 'exam' ? result.score : result.accuracy}}<text>{{result.mode === 'exam' ? '分' : '% 正确率'}}</text></view><view class="result-stats"><view><text class="strong">{{result.correct}}</text><text class="muted block">答对</text></view><view><text class="strong">{{result.answered - result.correct}}</text><text class="muted block">答错</text></view><view><text class="strong">{{result.total - result.answered}}</text><text class="muted block">未作答</text></view></view><text class="note">{{result.mode === 'exam' ? '本次为学习测验，未答题按错误处理；成绩不代表正式考试结果。' : '正确率按已作答题目计算；未答题不计入学习统计。'}}</text><view class="result-buttons"><button class="button" bindtap="navigate" data-route="theory">继续学习 ↗</button><button class="button secondary" bindtap="navigate" data-route="notebook">查看错题本</button></view></view><view wx:if="{{result.review.length}}" class="result-review"><text class="section-title">本组错题解析</text><text wx:if="{{result.reviewCount > 50}}" class="note">本页显示前 50 道，其余请到错题本分页复习。</text><view wx:for="{{result.review}}" wx:key="id" class="panel"><text class="strong">{{item.title}}</text><text class="danger-text block spaced">你的答案：{{item.chosen}}</text><text class="text-green block">正确答案：{{item.answer}}</text><text class="muted block spaced">{{item.explanation}}</text></view></view></view>

<view wx:if="{{screen === 'lab'}}" class="main-content lab-layout"><button class="back-button" bindtap="navigate" data-route="practice"><text class="back-icon">‹</text><text>返回实操训练</text></button><view class="section-top lab-heading"><view><text class="eyebrow">{{labScenario.group}} / INTERACTIVE PRACTICE</text><text class="page-title">{{labScenario.title}}</text></view><text class="tag">屏幕模拟</text></view>
    <view wx:if="{{labScenario.kind === 'steps' && !labDone}}" class="step-lab panel"><view class="spread"><text class="muted">情景 {{labStep}} / {{labTotal}}</text><text class="small muted">首次作答计入得分</text></view><view class="progress-track"><view class="progress-fill" style="width:{{labProgress}}%;"></view></view><view class="instrument-visual visual-{{labScenario.visual}}"><view class="instrument-display"><text class="instrument-symbol">{{labScenario.visual === 'meter' ? 'Ω' : labScenario.visual === 'clamp' ? 'A~' : labScenario.visual === 'fire' ? '119' : 'SAFE'}}</text><text class="small">{{labScenario.visual === 'meter' ? 'VΩ / COM' : '安全判断 · 模拟训练'}}</text></view><view class="instrument-dial"><view class="dial-pointer"></view></view><text class="instrument-caption">先判断，再操作</text></view><text class="quiz-question">{{labQuestion}}</text><view class="options"><button wx:for="{{labOptions}}" wx:key="index" class="option {{labChoice === item.index ? 'selected' : ''}} {{item.correct ? 'correct' : ''}}" bindtap="labAnswer" data-index="{{item.index}}"><text class="option-letter">{{item.letter}}</text><text class="option-text">{{item.text}}</text></button></view></view>
    <view wx:if="{{labScenario.kind === 'hazards'}}" class="panel"><view class="spread"><text class="strong">点选你认为有问题的位置</text><text class="tag">共 4 处隐患</text></view><view class="hazard-scene"><view class="cabinet"><text>配电柜</text><view class="cabinet-meters"><text>V</text><text>A</text></view><view class="cabinet-handle"></view><text class="cabinet-warning">ϟ</text></view><view wx:for="{{spots}}" wx:key="id" style="{{item.style}}" class="hotspot {{item.selected ? 'selected' : ''}} {{item.result}}" bindtap="spotToggle" data-id="{{item.id}}"><text class="spot-icon">{{item.icon}}</text><text>{{item.name}}</text><text class="spot-check">{{item.selected ? '✓' : '+'}}</text></view><text class="scene-caption">模拟配电间 / 点击标记选择</text></view><button wx:if="{{!labDone}}" class="button" bindtap="checkHazards">提交辨识结果</button><view wx:if="{{labDone}}"><view wx:for="{{hazardReview}}" wx:key="id" class="hazard-review"><text class="strong {{item.danger ? 'danger-text' : 'text-green'}}">{{item.danger ? '隐患' : '正常'}} · {{item.name}}</text><text class="muted block">{{item.note}}</text></view></view></view>
    <view wx:if="{{labScenario.kind === 'motor'}}" class="panel"><view class="motor-board"><view class="motor-board-top"><text>CONTACTOR CONTROL</text><text class="small">逻辑示意 · 非施工接线图</text></view><view class="contactor-row"><view class="contactor {{motorState === 'forward' ? 'energized' : ''}}"><text>KM1</text><text class="small">{{motorState === 'forward' ? '吸合 · 正转' : '释放'}}</text></view><view class="interlock-symbol">⇄<text>互锁</text></view><view class="contactor {{motorState === 'reverse' ? 'energized' : ''}}"><text>KM2</text><text class="small">{{motorState === 'reverse' ? '吸合 · 反转' : '释放'}}</text></view></view><view class="motor-shaft"><view class="rotor {{motorState !== 'stop' ? 'spinning' : ''}} {{motorState === 'reverse' ? 'reversing' : ''}}">✣</view><text>M</text></view><text class="motor-state {{motorTrip ? 'danger-text' : ''}}">{{motorLabel}}</text></view><view class="task-bar"><text class="tag">任务 {{motorTaskNumber}} / 6</text><text>{{motorTask}}</text></view><view class="motor-buttons"><button class="button" bindtap="motorAction" data-action="forward" disabled="{{labDone}}">正转</button><button class="button secondary" bindtap="motorAction" data-action="reverse" disabled="{{labDone}}">反转</button><button class="button stop-button" bindtap="motorAction" data-action="stop" disabled="{{labDone}}">停止</button></view><view class="motor-secondary"><button class="action-button danger-text" bindtap="motorAction" data-action="trip" disabled="{{labDone}}">模拟过载</button><button class="action-button" bindtap="motorAction" data-action="reset" disabled="{{labDone}}">模拟排故复位</button></view><text class="note">模型省略机械惯性、制动及延时，仅演示控制逻辑。现场换向须满足设备与工艺要求；故障排除后才可按规程复位。</text></view>
    <view wx:if="{{labScenario.kind === 'lamp'}}" class="panel"><view class="spread"><text class="strong">点击两个空闲端子连接导线</text><text class="tag">{{wireCount}} / 3 根线</text></view><view class="lamp-board"><view class="lamp-visual {{lampOn ? 'lit' : ''}}"><text>☼</text><text class="small">{{lampOn ? '灯已点亮' : '灯未点亮'}}</text></view><view class="ports-grid"><view wx:for="{{ports}}" wx:key="id" class="port {{item.selected ? 'selected' : ''}} {{item.connected ? 'connected' : ''}}" bindtap="portTap" data-id="{{item.id}}"><view class="port-dot"></view><text class="strong">{{item.name}}</text><text class="small muted">{{item.unit}}</text></view></view><text class="small muted">选择两端接线 · 点击下方连线可删除</text></view><view class="wire-list"><button wx:for="{{wires}}" wx:key="index" class="wire-chip" bindtap="removeWire" data-index="{{item.index}}">{{item.label}} <text>×</text></button></view><view class="spread"><button class="button secondary" bindtap="toggleSwitch">{{switchOn ? '断开开关' : '合上开关'}} {{switchOn ? 'ON' : 'OFF'}}</button><button wx:if="{{!labDone}}" class="button" bindtap="checkLamp">检查回路</button></view><text class="note">仅为 12 V 理想直流模型，接线目标为电源、开关、灯串联。不可用作家庭市电施工指导。</text></view>
    <view wx:if="{{labFeedback}}" class="explanation {{labFeedback.correct ? 'explanation-correct' : 'explanation-wrong'}}"><text class="strong">{{labFeedback.correct ? '✓ 判断与反馈' : '练习提示'}}</text><text class="explanation-body">{{labFeedback.text}}</text></view>
    <button wx:if="{{labScenario.kind === 'steps' && labFeedback.correct && !labDone}}" class="button lab-next" bindtap="labNext">{{labStep === labTotal ? '完成训练' : '下一个情景 →'}}</button>
    <view wx:if="{{labDone}}" class="lab-complete panel"><view class="completion-icon">✓</view><text class="card-title">本次训练完成</text><text class="lab-score">{{labScore}}<text> / 100</text></text><text class="muted block">{{labScenario.kind === 'steps' ? '按各情景首次作答正确比例计算。' : labScenario.kind === 'hazards' ? '按六个场景标记的判断正确比例计算。' : '满分 100 分，额外尝试会扣减本次练习分。'}}</text><view class="result-buttons"><button class="button" bindtap="retryLab">再练一次</button><button class="button secondary" bindtap="navigate" data-route="practice">其他训练</button></view></view>
  </view>

<view wx:if="{{screen === 'bank'}}" class="main-content bank-layout">
    <button class="back-button" bindtap="navigate" data-route="theory"><text class="back-icon">‹</text><text>返回理论刷题</text></button>
    <text class="eyebrow">QUESTION BANK / LOCAL LIBRARY</text><text class="page-title">让题库持续充实。</text><text class="subtitle">题目保存在本机，随机练习只抽取已有题目，不会自动生成新题。</text>
    <view class="panel"><view class="spread"><text class="section-title">当前可练习 {{totalQuestions}} 题</text><text class="tag">保留原学习记录</text></view><text class="muted block spaced">2026 更新专题 {{recentCount}} 道 · 基础题 {{builtInCount}} 道 · 历史题 {{publicCount}} 道 · 个人导入 {{importedCount}} 道</text><text class="note">当前收录不等于官方现行全量题库。来源名称、年份和参考答案应以原资料为准。</text><view wx:for="{{bankGroups}}" wx:key="index" class="history-row"><view><text class="strong block">{{item.name}}</text><text class="small muted">{{item.version}}</text></view><text class="tag">{{item.count}} 题</text></view></view>
    <view class="panel"><view class="section-heading"><text class="section-title">2026 更新专题 · {{recentCount}} 题</text><text class="tag green">默认练习</text></view><text class="muted block spaced">{{recentMeta.note}}</text><text class="note">{{recentMeta.nature}}。核对日期 {{recentMeta.checked}}；下方保留原文件日期，避免将旧文件重新标成新发布。</text><button class="button" bindtap="startRecent">开始专题练习 ↗</button><view wx:for="{{recentSources}}" wx:key="id" class="held-row"><text class="strong block">{{item.title}}</text><text class="muted small block">{{item.publisher}} · 发布 {{item.published}} {{item.effective ? '· 施行 ' + item.effective : ''}}</text><button class="action-button text-green" bindtap="copySource" data-id="{{item.id}}">复制依据链接 ↗</button></view></view>
    <view class="panel"><text class="section-title">近期公开题库入口</text><text class="muted block spaced">以下为已找到的近期第三方题库网页，尚未导入本机。页面更新时间不代表所有题目均符合现行规则。</text><view wx:for="{{recentResources}}" wx:key="id" class="held-row"><text class="strong block">{{item.title}}</text><text class="muted small block">{{item.publisher}} · 网页标示更新 {{item.updated}} · {{item.count}} 题</text><text class="muted block spaced">{{item.note}}</text><button class="button secondary" bindtap="copyRecentResource" data-id="{{item.id}}">复制题库网页链接 ↗</button></view></view>
    <view class="panel"><view class="section-heading"><text class="section-title">政府公开资料 · 历史版</text><button class="action-button text-green" bindtap="copyPublicSource">复制原始 PDF 链接 ↗</button></view><text class="strong block">{{publicMeta.name}}</text><text class="muted block spaced">{{publicMeta.publisher}} · {{publicMeta.published}}</text><text class="muted block">全份提取 {{publicMeta.parsedTotal}} 段：{{publicMeta.ready}} 道完成基础筛查并进入练习，{{publicMeta.held}} 道暂存待核对。待核对题不会进入测验或影响正确率。</text><text class="provenance-note">{{publicMeta.note}}</text><text class="note">这里只完成结构与风险筛查，不代表内容已按现行标准审核。该资料不是 2026 年官方全量题库。</text></view>
    <view class="panel"><view class="section-heading"><text class="section-title">公开题库 · 待核对清单</text><text class="tag">{{publicMeta.held}} 道</text></view><view class="pagination"><button class="action-button" bindtap="heldPageChange" data-delta="-1" disabled="{{heldPage === 1}}">上一页</button><text class="muted">{{heldPage}} / {{heldPages}} 页</text><button class="action-button" bindtap="heldPageChange" data-delta="1" disabled="{{heldPage === heldPages}}">下一页</button></view><view wx:for="{{publicHeld}}" wx:key="id" class="held-row" bindtap="viewHeld" data-id="{{item.id}}"><text class="small muted">原{{item.type}} {{item.number}} · PDF 第 {{item.page}} 页</text><text class="strong block">{{item.title}}</text><text class="small danger-text block">{{item.reasons}}</text><text class="small text-green">查看原资料记录 →</text></view></view>
    <view class="panel"><view class="section-heading"><text class="section-title">批量导入题库</text><button class="action-button text-green" bindtap="copyBankTemplate">复制 CSV 模板</button></view><text class="muted block">支持单选、判断、多选。可选 JSON / CSV / TSV 文件，也可粘贴内容；请使用有权使用的资料。Excel 可另存为 UTF-8 CSV。</text><input class="bank-name-input" value="{{bankName}}" bindinput="bankNameInput" placeholder="来源名称（可选，文件中有来源时可留空）" maxlength="120" /><view class="spread"><button class="button secondary" bindtap="chooseBankFile">选择题库文件</button><text class="muted small">{{bankFile || '微信中可从聊天文件选择'}}</text></view><textarea class="bank-textarea" value="{{bankText}}" bindinput="bankInput" maxlength="-1" placeholder="粘贴题库内容。CSV 表头：题型,章节,题干,选项A,选项B,选项C,选项D,答案,解析" /><button class="button" bindtap="reviewBank">检查题库并预览导入结果</button><text wx:if="{{bankError}}" class="bank-error">{{bankError}}</text>
      <view wx:if="{{bankReport}}" class="import-report"><text class="section-title">共读取 {{bankReport.total}} 条</text><view class="report-counts"><text>可新增 {{bankReport.added}}</text><text>重复 {{bankReport.duplicates}}</text><text>格式或缺项 {{bankReport.invalid}}</text><text>答案冲突 {{bankReport.conflicts}}</text></view><text class="muted small block">缺答案、缺图、选项不完整和答案冲突的题目不会加入。未核验的参考答案会标明来源。</text><view wx:for="{{bankReport.issues}}" wx:key="index" class="import-issue">第 {{item.row}} 条：{{item.reason}}</view><text wx:if="{{bankReport.issueCount > 20}}" class="note">这里显示前 20 项，可导出完整检查报告。</text><view class="backup-actions"><button class="button" bindtap="confirmBank" disabled="{{!bankReport.added}}">加入 {{bankReport.added}} 道题</button><button class="button secondary" bindtap="exportBankReport">导出检查报告</button></view></view>
    </view>
    <view class="note">导入为追加，不覆盖现有题目和记录。完整数据备份同时包含个人导入题库。题库较大时请定期备份。</view>
  </view>

<view wx:if="{{screen === 'about'}}" class="main-content about-layout"><button class="back-button" bindtap="navigate" data-route="me"><text class="back-icon">‹</text><text>返回我的学习</text></button><text class="page-title">题库说明与学习依据</text><view class="panel"><text class="section-title">题库来源与适用范围</text><text class="muted block spaced">当前包含 {{totalQuestions}} 道可练习题与 8 个模拟场景，题库版本 {{bankVersion}}。其中 {{recentCount}} 道为依据现行文件自编的 2026 更新专题、{{builtInCount}} 道为内置自编基础题、{{publicCount}} 道为 2019 公开历史复习题、{{importedCount}} 道为个人导入题，来源和版本在题目中显示，不承诺覆盖完整考试范围或与正式考题一致。</text><text class="muted block spaced">章节与实操科目分类参考应急管理部 2025 年发布的低压电工作业培训大纲。大纲是范围依据，不表示主管部门逐题审核过本题库。</text><text class="muted block spaced">实操使用简化模型，不包含真实设备操作许可和完整现场措施。请结合合规培训、设备说明书与适用规程学习。</text></view><view class="panel"><text class="section-title">如何记录学习</text><text class="muted block spaced">普通练习提交后立即记入；测验交卷后统一记入，未答题计错。错题连续两次答对后移出；浏览解析不改变学习统计。实操成绩单独记录，保留最近一次得分。</text><text class="muted block spaced">记录仅存本机，清理缓存或删除小程序可能导致丢失。建议定期导出 JSON 备份；浏览器与微信记录可用备份迁移。</text></view><text class="section-title">参考资料</text><view wx:for="{{sources}}" wx:key="id" class="panel source-card"><text class="eyebrow">{{item.publisher}}</text><text class="strong block">{{item.title}}</text><text class="muted block spaced">{{item.note}}</text><text class="source-url">{{item.url}}</text><button wx:if="{{item.url}}" class="action-button text-green" bindtap="copySource" data-id="{{item.id}}">复制参考链接 ↗</button></view></view>

<view wx:if="{{peek}}" class="overlay" bindtap="closePeek"><view class="modal peek-modal" catchtap="noop"><view class="spread"><text class="section-title">题目速览 · {{peek.id}}</text><button class="action-button" bindtap="closePeek">关闭 ×</button></view><text wx:if="{{peek.provenance}}" class="provenance-note">来源：{{peek.provenance.name}} · {{peek.provenance.version}}</text><text class="quiz-question">{{peek.title}}</text><view wx:for="{{peek.options}}" wx:key="letter" class="peek-option">{{item.letter}}. {{item.text}}</view><button wx:if="{{!peekAnswer}}" class="button" bindtap="revealPeek">显示答案与解析</button><view wx:else class="explanation explanation-correct"><text class="strong">{{peek.answerLabel || '正确答案'}}：{{peek.answer}}</text><text class="explanation-body">{{peek.explanation}}</text></view><text class="small muted block spaced">浏览不计入作答次数；请进入练习提交答案来更新进度。</text></view></view>
  <view wx:if="{{backupMode}}" class="overlay"><view class="modal backup-modal"><view class="spread"><text class="section-title">{{backupMode === 'export' ? '导出学习记录' : '导入学习记录'}}</text><button class="action-button" bindtap="closeBackup">关闭 ×</button></view><text class="muted block spaced">{{backupMode === 'export' ? '复制下方 JSON，保存到个人文件。导入时粘贴完整内容即可。' : '粘贴之前导出的完整 JSON。确认后将替换当前本机的学习记录。'}}</text><textarea class="backup-textarea" value="{{backupText}}" bindinput="backupInput" maxlength="-1" placeholder="在此粘贴 JSON 备份" /><button class="button" wx:if="{{backupMode === 'export'}}" bindtap="copyBackup">复制完整备份</button><button class="button" wx:else bindtap="importBackup">检查并导入</button></view></view>
  <view wx:if="{{dialog}}" class="overlay dialog-overlay"><view class="modal confirm-modal"><text class="section-title">{{dialog.title}}</text><text class="muted block spaced">{{dialog.text}}</text><view class="result-buttons"><button class="button secondary" bindtap="cancelDialog">取消</button><button class="button" bindtap="confirmDialog">{{dialog.confirmLabel}}</button></view></view></view>
  <view wx:if="{{toast}}" class="toast">{{toast}}</view>
</view>
</article></body></html>