温室休息台数值步进器
在温室休息台场景中完成数值步进器：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>温室休息台数值步进器</title>
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<header class="mast"><div><span class="eyebrow">magazine / 数值步进器 / ADVANCED</span><h1>温室休息台数值步进器</h1><p class="intro">在温室休息台场景中完成数值步进器：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">温室休息台</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握数值步进器的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="温室休息台数值步进器交互区域"><div class="workflow-session"><header class="session-command"><div><span class="eyebrow">温室休息台 SESSION</span><h2>温室休息台计时台</h2></div><output id="workflowSessionClock">00:45</output><label>回合时长<input id="workflowSessionLength" type="range" min="15" max="90" step="15" value="45"><span>秒</span></label><button id="workflowSessionToggle" class="action primary" type="button">开始应用场景</button></header><div id="workflowSessionProgress" role="progressbar" aria-label="温室休息台进度" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0"><i></i></div><section id="workflowCore" class="workflow-core session-stage" data-session-phase="ready" tabindex="-1"><!-- 11DZ_CORE_START:controls-selectors-numeric-stepper --><section class="stepper-studio"><header><div><span class="eyebrow">NUMBER STEPPER</span><h2>温室休息台配额台</h2><p>用按钮分配数量，同时把结果拆到三个处理区块里。</p></div><output id="stepperCapacity">剩余 8 个名额</output></header><div class="stepper-board"><aside class="stepper-stage"><strong id="stepperValue">4</strong><p>当前数量</p><label class="stepper-direct"><span>直接输入数量</span><input id="stepperInput" type="number" min="1" max="12" step="1" value="4" inputmode="numeric"></label><div class="stepper-controls"><button id="stepperMinus" type="button" aria-label="减少一个名额">−</button><button id="stepperPlus" type="button" aria-label="增加一个名额" data-core-bridge="controls-selectors-numeric-stepper">＋</button></div><div class="stepper-shortcuts"><button type="button" data-stepper-value="2">2</button><button type="button" data-stepper-value="4">4</button><button type="button" data-stepper-value="8">8</button><button type="button" data-stepper-value="12">12</button></div></aside><section class="stepper-breakdown"><ol id="stepperSlots"><li><span>准备区</span><strong id="stepperSlot0">0</strong><i><b id="stepperFill0"></b></i></li><li><span>分发区</span><strong id="stepperSlot1">0</strong><i><b id="stepperFill1"></b></i></li><li><span>确认区</span><strong id="stepperSlot2">0</strong><i><b id="stepperFill2"></b></i></li></ol><p id="stepperSummary">准备区 2 个，分发区 1 个，确认区 1 个。</p></section></div></section><!-- 11DZ_CORE_END --></section><footer class="session-log"><strong id="workflowSessionScore">0 个交互检查点</strong><ol id="workflowSessionLaps" aria-label="回合记录"></ol></footer></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
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