展项台账粘性表头
在展项台账场景中完成粘性表头：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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<header class="mast"><div><span class="eyebrow">magazine / 粘性表头 / BEGINNER</span><h1>展项台账粘性表头</h1><p class="intro">在展项台账场景中完成粘性表头：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">展项台账</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握粘性表头的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="展项台账粘性表头交互区域"><div class="workflow-guide"><nav class="guide-rail" aria-label="展项台账引导"><span class="eyebrow">展项台账 GUIDE</span><ol><li data-workflow-guide-step="0" aria-current="step"><b>1</b><span>展项台账筛选视图</span></li><li data-workflow-guide-step="1"><b>2</b><span>展项台账比较视图</span></li><li data-workflow-guide-step="2"><b>3</b><span>展项台账汇总视图</span></li></ol><div class="guide-actions"><button id="workflowGuideBack" class="action" type="button" disabled>上一步</button><button id="workflowGuideNext" class="action primary" type="button">完成本步</button></div><div id="workflowGuideProgress" role="progressbar" aria-label="展项台账完成度" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div></nav><section id="workflowCore" class="workflow-core guide-core" data-guide-step="0" aria-describedby="workflowGuideInstruction"><p id="workflowGuideInstruction">请在主案例中完成“展项台账筛选视图”相关操作。</p><!-- 11DZ_CORE_START:tables-data-sticky-header --><div class="sticky-table-demo"><p class="muted">滚动表体时，表头会固定在容器顶部。</p><div class="special-table-shell sticky-table-scroll" tabindex="0" data-core-bridge="tables-data-sticky-header"><table class="special-table"><caption>展项台账长表格</caption><thead><tr><th>项目</th><th>数值</th><th>状态</th></tr></thead><tbody><tr><td>展项台账进度 1</td><td>18</td><td>待处理</td></tr><tr><td>展项台账提醒 2</td><td>31</td><td>进行中</td></tr><tr><td>展项台账收藏 3</td><td>44</td><td>已完成</td></tr><tr><td>展项台账概览 4</td><td>57</td><td>待处理</td></tr><tr><td>展项台账计划 5</td><td>70</td><td>进行中</td></tr><tr><td>展项台账灵感 6</td><td>83</td><td>已完成</td></tr><tr><td>展项台账记录 7</td><td>96</td><td>待处理</td></tr><tr><td>展项台账协作 8</td><td>30</td><td>进行中</td></tr><tr><td>展项台账进度 9</td><td>43</td><td>已完成</td></tr><tr><td>展项台账进度 10</td><td>18</td><td>待处理</td></tr><tr><td>展项台账提醒 11</td><td>31</td><td>进行中</td></tr><tr><td>展项台账收藏 12</td><td>44</td><td>已完成</td></tr><tr><td>展项台账概览 13</td><td>57</td><td>待处理</td></tr><tr><td>展项台账计划 14</td><td>70</td><td>进行中</td></tr></tbody></table></div></div><!-- 11DZ_CORE_END --></section><aside class="guide-evidence"><details id="workflowGuideDetails"><summary>查看验收要求</summary><ul><li>展项台账筛选视图需要一次可见状态变化</li><li>展项台账比较视图需要一次可见状态变化</li><li>展项台账汇总视图需要一次可见状态变化</li></ul></details><form id="workflowGuideEvidenceForm"><label>本步证据<textarea id="workflowGuideEvidence" rows="3" placeholder="记录观察到的状态"></textarea></label><input class="action" type="submit" value="保存证据"></form><output id="workflowGuideSummary">0 / 3 步完成</output></aside></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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