图书馆运营趋势分析面板
在图书馆运营场景中完成趋势分析面板：包含真实内容、可操作控件、清晰状态反馈和跨尺寸布局。
启用 JavaScript 后可编辑、运行和保存此案例。固定源码如下：
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<title>图书馆运营趋势分析面板</title>
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<main class="page">
<header class="mast"><div><span class="eyebrow">industrial / 趋势分析面板 / BEGINNER</span><h1>图书馆运营趋势分析面板</h1><p class="intro">在图书馆运营场景中完成趋势分析面板：包含真实内容、可操作控件、清晰状态反馈和跨尺寸布局。</p></div><span class="scenario">图书馆运营</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握趋势分析面板的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="图书馆运营趋势分析面板交互区域"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">图书馆运营 DISPATCH</span><h2>馆藏任务调度台</h2><form id="workflowDispatchForm"><label>任务类型<select id="workflowDispatchKind"><option>借阅补架</option><option>预约处理</option><option>馆藏盘点</option></select></label><label>待办数量<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="21"><span>项</span></label><fieldset><legend>处理优先级</legend><label><input type="radio" name="workflowPriority" value="normal" checked>常规</label><label><input type="radio" name="workflowPriority" value="urgent">紧急</label></fieldset><button class="action primary" type="submit">派发任务</button></form><label>当前任务<select id="workflowDispatchActive" aria-label="切换当前任务"><option value="1">借阅补架</option><option value="2">预约处理</option></select></label><output id="workflowDispatchSummary">等待调度</output></aside><section id="workflowCore" class="workflow-core dispatch-workbench" data-dispatch-priority="normal"><!-- 11DZ_CORE_START:dashboards-admin-trend-chart --><div class="ops-trend"><header><div><span class="eyebrow">OPERATIONS TREND</span><h2>图书馆运营借阅处理量</h2><p>按运营班次查看真实业务单位，并用阈值直接生成待处理区间。</p></div><label>观察窗口<select id="opsTrendWindow" data-core-bridge="dashboards-admin-trend-chart"><option value="6">最近 6 班</option><option value="9">最近 9 班</option><option value="12" selected>全部 12 班</option></select></label><label>预警阈值<input id="opsTrendThreshold" type="range" min="10" max="120" value="60"><output id="opsTrendThresholdValue">60 册</output></label></header><section class="ops-trend-board"><div class="ops-chart-card"><svg id="opsTrendSvg" viewBox="0 0 760 360" role="img" aria-labelledby="opsTrendTitle opsTrendDesc"><title id="opsTrendTitle">图书馆运营趋势</title><desc id="opsTrendDesc">折线展示十二个运营班次的借阅处理量，虚线表示预警阈值。</desc><g id="opsTrendGrid" aria-hidden="true"></g><line id="opsTrendLimit" x1="48" x2="732" stroke="currentColor" stroke-dasharray="8 7"></line><path id="opsTrendArea"></path><path id="opsTrendPath"></path><g id="opsTrendPoints"></g></svg><output id="opsTrendHover">移动到数据点查看班次</output></div><aside><article><span>当前值</span><strong id="opsTrendCurrent">—</strong></article><article><span>窗口均值</span><strong id="opsTrendAverage">—</strong></article><article><span>超过阈值</span><strong id="opsTrendBreaches">—</strong></article><ol id="opsTrendAlerts" aria-label="阈值事件"></ol></aside></section></div><!-- 11DZ_CORE_END --></section></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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