课程读本节奏跑马文字
在课程读本场景中完成节奏跑马文字：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>课程读本节奏跑马文字</title>
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<main class="page">
<header class="mast"><div><span class="eyebrow">magazine / 节奏跑马文字 / BEGINNER</span><h1>课程读本节奏跑马文字</h1><p class="intro">在课程读本场景中完成节奏跑马文字：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">课程读本</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握节奏跑马文字的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="课程读本节奏跑马文字交互区域"><section id="atlasShell" class="atlas-shell" data-atlas-mode="brief"><header class="atlas-head"><div><span class="eyebrow">课程读本 / ATLAS DOSSIER</span><h2>节奏跑马文字样本图谱</h2><p>用图谱式样本页重新包裹主案例，分离样本索引、追踪视图、交接注释和现场记录。</p></div><div class="atlas-controls"><div class="atlas-modes"><button class="action primary" type="button" data-atlas-mode="brief">简报</button><button class="action" type="button" data-atlas-mode="trace">追踪</button><button class="action" type="button" data-atlas-mode="handoff">交接</button></div><output id="atlasState">等待建立样本</output></div></header><div class="atlas-body"><aside class="atlas-index"><ol class="atlas-chapters"><li><button type="button" data-atlas-card="0" aria-pressed="true"><span>01</span><strong>课程读本灵感</strong><small>检查状态变化是否可见</small></button></li><li><button type="button" data-atlas-card="1" aria-pressed="false"><span>02</span><strong>课程读本记录</strong><small>确认键盘与点击入口一致</small></button></li><li><button type="button" data-atlas-card="2" aria-pressed="false"><span>03</span><strong>课程读本协作</strong><small>观察布局在窄屏下是否回退</small></button></li><li><button type="button" data-atlas-card="3" aria-pressed="false"><span>04</span><strong>课程读本进度</strong><small>记录当前复核结论</small></button></li></ol><label>版面倍率<input id="atlasZoom" type="range" min="82" max="132" value="100"><output id="atlasZoomValue">100%</output></label><label>采样焦点<select id="atlasFocus"><option value="0">课程读本灵感</option><option value="1">课程读本记录</option><option value="2">课程读本协作</option><option value="3">课程读本进度</option></select></label><button id="atlasCapture" class="action primary" type="button">收录样本</button><dl class="atlas-meta"><div><dt>收录数</dt><dd id="atlasCount">0</dd></div><div><dt>当前焦点</dt><dd id="atlasCurrent">课程读本灵感</dd></div><div><dt>复核模式</dt><dd id="atlasModeLabel">简报</dd></div></dl></aside><section class="atlas-stage"><div class="atlas-summary"><article data-active="true"><span>Sample</span><strong>课程读本灵感</strong><p>检查状态变化是否可见</p></article><article><span>Trace</span><strong>课程读本记录</strong><p>确认键盘与点击入口一致</p></article><article><span>Signal</span><strong>课程读本协作</strong><p>观察布局在窄屏下是否回退</p></article><article><span>Handoff</span><strong>课程读本进度</strong><p>记录当前复核结论</p></article></div><div id="atlasCoreShell" class="atlas-core-shell"><div id="workflowSpatial" class="workflow-spatial" style="--spatial-width:64%;--spatial-zoom:1"><header><div><span class="eyebrow">课程读本 SPATIAL CANVAS</span><h2>课程读本调整台</h2></div><label>阅读长度占比<input id="workflowSpatialWidth" type="range" min="38" max="82" value="64"><output id="workflowSpatialWidthValue">64%</output></label><label>内容缩放<input id="workflowSpatialZoom" type="range" min="80" max="120" value="100"><output id="workflowSpatialZoomValue">100%</output></label></header><div class="spatial-grid"><section id="workflowCore" class="workflow-core spatial-core"><!-- 11DZ_CORE_START:typography-text-marquee-lines --><div class="marquee-studio"><header class="marquee-controls panel"><div><span class="eyebrow">MARQUEE LINES</span><h2>节奏跑马工作台</h2></div><label>移动速度 <input id="marqueeSpeed" type="range" min="6" max="24" value="14"><output id="marqueeSpeedValue">14 秒</output></label><div class="row"><button id="marqueeDirection" class="action" type="button" data-core-bridge="typography-text-marquee-lines">反向</button><button id="marqueePause" class="action" type="button" aria-pressed="false">暂停</button></div></header><div class="marquee-layout"><section id="marqueeStage" class="marquee-stage" aria-labelledby="marqueeAccessible"><h3 id="marqueeAccessible" class="marquee-visually-hidden">课程读本灵感，课程读本记录，课程读本协作，课程读本进度，课程读本提醒</h3><div class="marquee-line line-0" aria-hidden="true"><div><span>课程读本灵感</span><span>课程读本记录</span><span>课程读本协作</span><span>课程读本进度</span><span>课程读本提醒</span><span>课程读本灵感</span><span>课程读本记录</span><span>课程读本协作</span><span>课程读本进度</span><span>课程读本提醒</span></div></div><div class="marquee-line line-1" aria-hidden="true"><div><span>课程读本灵感</span><span>课程读本记录</span><span>课程读本协作</span><span>课程读本进度</span><span>课程读本提醒</span><span>课程读本灵感</span><span>课程读本记录</span><span>课程读本协作</span><span>课程读本进度</span><span>课程读本提醒</span></div></div><div class="marquee-line line-2" aria-hidden="true"><div><span>课程读本灵感</span><span>课程读本记录</span><span>课程读本协作</span><span>课程读本进度</span><span>课程读本提醒</span><span>课程读本灵感</span><span>课程读本记录</span><span>课程读本协作</span><span>课程读本进度</span><span>课程读本提醒</span></div></div></section><aside><strong id="marqueeMode">方向：默认</strong><p id="marqueeCycle">当前周期 14 秒</p><ul><li>第 1 行强调主句</li><li>第 2 行自动反向</li><li>第 3 行缩小字体形成节奏差</li></ul></aside></div></div><!-- 11DZ_CORE_END --></section><input id="workflowSpatialHandle" class="spatial-handle" type="button" value="↔" aria-label="拖动调整主案例预览宽度"><aside><strong>课程读本版式调整</strong><p>课程读本重点强调与课程读本阅读完成会随画布尺寸重新编排。</p><output id="workflowSpatialStatus">宽度 64%，缩放 100%</output><input id="workflowSpatialApply" class="action primary" type="button" value="应用版面"></aside></div></div></div><ol id="atlasLog" class="atlas-log"><li>等待第一条图谱样本</li></ol></section></div></section><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
</main>
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/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"typography-text-marquee-lines","selector":"[data-core-bridge=\"typography-text-marquee-lines\"]","mode":"click","key":"Enter"};const workflowBridgeCore=document.querySelector('#workflowCore');const workflowBridgeControl=workflowBridgeCore.querySelector(workflowBridgeSpec.selector);if(!workflowBridgeControl)throw new Error('Missing core bridge: '+workflowBridgeSpec.name);const workflowBridgeControlledId=workflowBridgeControl.getAttribute('aria-controls');const workflowBridgeControlled=workflowBridgeControlledId?document.getElementById(workflowBridgeControlledId):null;workflowBridgeCore.dataset.workflowBridge=workflowBridgeSpec.name;workflowBridgeCore.dataset.workflowVersion='0';function workflowBridgeSerialize(){const visualNode=workflowBridgeCore.firstElementChild||workflowBridgeCore;const visual=getComputedStyle(visualNode);const outputs=[...workflowBridgeCore.querySelectorAll('output,[role="status"],[aria-live],meter,progress')].map(node=>node.textContent.trim()+'|'+node.getAttribute('aria-valuenow')+'|'+node.getAttribute('value'));const canvas=[...workflowBridgeCore.querySelectorAll('canvas')].map(node=>{try{return node.toDataURL().slice(-160);}catch{return 'canvas-unavailable';}});return JSON.stringify({html:workflowBridgeCore.innerHTML,status:statusOutput.textContent,outputs,canvas,visual:[visual.display,visual.visibility,visual.opacity,visual.transform,visual.filter,visual.backgroundColor,visual.width,visual.height],scroll:workflowBridgeSpec.mode==='scroll'?workflowBridgeControl.scrollTop:null});}let workflowBridgeLastEffect=workflowBridgeSerialize();function workflowBridgeSummary(){const label=(workflowBridgeControl.getAttribute('aria-label')||workflowBridgeControl.textContent||workflowBridgeControl.value||workflowBridgeSpec.name).trim().replace(/\s+/g,' ').slice(0,72);return label+' · 核心版本 '+workflowBridgeCore.dataset.workflowVersion;}function workflowBridgeCommit(){const effect=workflowBridgeSerialize();if(effect===workflowBridgeLastEffect)return {changed:false,summary:workflowBridgeSummary()};workflowBridgeLastEffect=effect;workflowBridgeCore.dataset.workflowVersion=String(Number(workflowBridgeCore.dataset.workflowVersion||0)+1);return {changed:true,summary:workflowBridgeSummary()};}function workflowBridgeScheduleCommit(){queueMicrotask(workflowBridgeCommit);setTimeout(workflowBridgeCommit,0);}workflowBridgeControl.addEventListener("click",workflowBridgeScheduleCommit);const workflowBridgeStateTargets=new Set(workflowBridgeCore.querySelectorAll('dialog'));if(workflowBridgeControlled&&workflowBridgeCore.contains(workflowBridgeControlled))workflowBridgeStateTargets.add(workflowBridgeControlled);workflowBridgeStateTargets.forEach(target=>['close','cancel','toggle'].forEach(eventName=>target.addEventListener(eventName,workflowBridgeScheduleCommit)));function workflowBridgeActivate(){workflowBridgeControl.focus();workflowBridgeControl.click();const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowSpatial=document.querySelector('#workflowSpatial');const workflowSpatialCore=document.querySelector('#workflowCore');const workflowSpatialWidth=document.querySelector('#workflowSpatialWidth');const workflowSpatialZoom=document.querySelector('#workflowSpatialZoom');const workflowSpatialHandle=document.querySelector('#workflowSpatialHandle');const workflowSpatialState={width:64,zoom:1,dragging:false};function workflowSpatialDrive(){workflowSpatial.style.setProperty('--spatial-width',workflowSpatialState.width+'%');workflowSpatial.style.setProperty('--spatial-zoom',String(workflowSpatialState.zoom));workflowSpatialWidth.value=String(workflowSpatialState.width);workflowSpatialZoom.value=String(Math.round(workflowSpatialState.zoom*100));document.querySelector('#workflowSpatialWidthValue').textContent=workflowSpatialState.width+'%';document.querySelector('#workflowSpatialZoomValue').textContent=Math.round(workflowSpatialState.zoom*100)+'%';document.querySelector('#workflowSpatialStatus').textContent='宽度 '+workflowSpatialState.width+'%，缩放 '+Math.round(workflowSpatialState.zoom*100)+'%';announce('课程读本画布已重排');}workflowSpatialWidth.addEventListener('input',()=>{workflowSpatialState.width=Number(workflowSpatialWidth.value);workflowSpatialDrive();});workflowSpatialZoom.addEventListener('input',()=>{workflowSpatialState.zoom=Number(workflowSpatialZoom.value)/100;workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerdown',event=>{workflowSpatialState.dragging=true;workflowSpatialHandle.setPointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('pointermove',event=>{if(!workflowSpatialState.dragging)return;const rect=workflowSpatial.getBoundingClientRect();workflowSpatialState.width=Math.max(38,Math.min(82,Math.round((event.clientX-rect.left)/rect.width*100)));workflowSpatialDrive();});workflowSpatialHandle.addEventListener('pointerup',event=>{workflowSpatialState.dragging=false;workflowSpatialHandle.releasePointerCapture(event.pointerId);});workflowSpatialHandle.addEventListener('wheel',event=>{event.preventDefault();workflowSpatialState.zoom=Math.max(.8,Math.min(1.2,workflowSpatialState.zoom+(event.deltaY<0?.05:-.05)));workflowSpatialDrive();},{passive:false});workflowSpatialHandle.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight'].includes(event.key))return;event.preventDefault();workflowSpatialState.width=Math.max(38,Math.min(82,workflowSpatialState.width+(event.key==='ArrowRight'?2:-2)));workflowSpatialDrive();});document.querySelector('#workflowSpatialApply').addEventListener('click',()=>{const bridge=workflowBridgeActivate();document.querySelector('#workflowSpatialStatus').textContent='已应用版面 · 宽度 '+workflowSpatialState.width+'%，缩放 '+Math.round(workflowSpatialState.zoom*100)+'% · '+bridge.summary;announce(document.querySelector('#workflowSpatialStatus').textContent);});workflowSpatialDrive();
workflowBridgeReset();
const atlasShell=document.querySelector('#atlasShell');const atlasState=document.querySelector('#atlasState');const atlasZoom=document.querySelector('#atlasZoom');const atlasZoomValue=document.querySelector('#atlasZoomValue');const atlasFocus=document.querySelector('#atlasFocus');const atlasCurrent=document.querySelector('#atlasCurrent');const atlasCount=document.querySelector('#atlasCount');const atlasModeLabel=document.querySelector('#atlasModeLabel');const atlasCards=[...document.querySelectorAll('[data-atlas-card]')];const atlasSummary=[...document.querySelectorAll('.atlas-summary article')];const atlasLog=document.querySelector('#atlasLog');const atlasModeButtons=[...atlasShell.querySelectorAll('[data-atlas-mode]')];const atlasNotes=["课程读本灵感","课程读本记录","课程读本协作","课程读本进度"];const atlasCore=document.querySelector('#workflowCore');let atlasCaptures=0;function atlasSetActive(index){atlasCards.forEach((button,buttonIndex)=>button.setAttribute('aria-pressed',String(buttonIndex===index)));atlasSummary.forEach((card,cardIndex)=>{if(cardIndex===index)card.setAttribute('data-active','true');else card.removeAttribute('data-active');});atlasCurrent.textContent=atlasNotes[index]||atlasNotes[0]||'未命名焦点';}function atlasRender(reason){const version=atlasCore?.dataset.workflowVersion||'0';const zoom=Number(atlasZoom.value);const active=Math.min(atlasNotes.length-1,Number(atlasFocus.value)||0);atlasShell.style.setProperty('--atlas-zoom',String(zoom));atlasZoomValue.textContent=zoom+'%';atlasCount.textContent=String(atlasCaptures);atlasSetActive(active);atlasModeLabel.textContent={brief:'简报',trace:'追踪',handoff:'交接'}[atlasShell.dataset.atlasMode]||'简报';atlasState.textContent=reason+' · 核心版本 '+version;}atlasModeButtons.forEach(button=>button.addEventListener('click',()=>{atlasModeButtons.forEach(item=>item.classList.toggle('primary',item===button));atlasShell.dataset.atlasMode=button.dataset.atlasMode;atlasRender('已切换到'+button.textContent);announce('图谱模式：'+button.textContent);}));atlasCards.forEach((button,index)=>button.addEventListener('click',()=>{atlasFocus.value=String(index);atlasRender('已切换样本焦点');announce('图谱焦点：'+atlasNotes[index]);}));atlasZoom.addEventListener('input',()=>{atlasRender('版面倍率已更新');announce('图谱倍率 '+atlasZoom.value+'%');});atlasFocus.addEventListener('change',()=>{atlasRender('已切换采样焦点');announce('采样焦点：'+atlasNotes[Number(atlasFocus.value)||0]);});document.querySelector('#atlasCapture').addEventListener('click',()=>{const index=Math.min(atlasNotes.length-1,Number(atlasFocus.value)||0);const note=atlasNotes[index]||atlasNotes[0]||'未命名焦点';const version=atlasCore?.dataset.workflowVersion||'0';atlasCaptures+=1;const item=document.createElement('li');item.textContent='样本 '+atlasCaptures+' · '+note+' · 核心版本 '+version;const empty=atlasLog.querySelector('li')?.textContent==='等待第一条图谱样本';if(empty)atlasLog.replaceChildren(item);else atlasLog.prepend(item);while(atlasLog.children.length>6)atlasLog.lastElementChild.remove();atlasRender('已收录样本 '+atlasCaptures);announce('已收录样本 '+atlasCaptures+' · '+note);});atlasCore?.addEventListener('focusin',()=>atlasRender('主案例获得焦点'));atlasCore?.addEventListener('click',()=>atlasRender('主案例发生交互'));atlasRender('等待建立样本');
</script>
</body>
</html>