课堂手账流体标题排版
在课堂手账场景中完成流体标题排版：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：
<!doctype html>
<html lang="zh-Hans" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>课堂手账流体标题排版</title>
<style>
:root { --ink:#17241d; --paper:#f3f0e7; --accent:#af4f45; --secondary:#9eb49f; --line:color-mix(in srgb, var(--ink) 18%, transparent); --shadow:0 24px 60px color-mix(in srgb, var(--ink) 16%, transparent); color-scheme:light; }
* { box-sizing:border-box; }
html { min-width:320px; background:var(--paper); }
body { min-height:100vh; margin:0; overflow-x:hidden; color:var(--ink); font-family:Didot,"Songti SC",serif; background:linear-gradient(30deg,transparent 48%,color-mix(in srgb,var(--accent) 9%,transparent) 49% 51%,transparent 52%),var(--paper);background-size:52px 90px; }
button,input,select,textarea { color:inherit; font:inherit; }
button,[role="button"],input,select,textarea { accent-color:var(--accent); }
button { cursor:pointer; }
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible { outline:3px solid var(--accent); outline-offset:3px; }
[hidden] { display:none !important; }
@media (max-width:700px) { .mast h1 { line-height:1.08 !important; letter-spacing:-.035em !important; overflow-wrap:anywhere; } }
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto !important; animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; } }
.page{width:min(1040px,calc(100% - 36px));margin:auto;padding:64px 0}.mast{display:grid;justify-items:center;text-align:center;border-block:3px double var(--accent);padding:26px;gap:20px;margin-bottom:32px}.mast h1{font-family:Didot,"Songti SC",serif;font-weight:700;font-size:clamp(38px,8vw,86px);letter-spacing:.035em;margin:0;line-height:1}.eyebrow{display:block;color:var(--accent);font:800 11px/1 ui-monospace,monospace;letter-spacing:.3em}.intro{max-width:600px;margin-inline:auto;line-height:1.8}.scenario{padding:8px 26px;border-inline:1px solid var(--accent);letter-spacing:.16em}.demo{border:4px double var(--accent);border-radius:0;clip-path:polygon(24px 0,calc(100% - 24px) 0,100% 24px,100% calc(100% - 24px),calc(100% - 24px) 100%,24px 100%,0 calc(100% - 24px),0 24px);position:relative;min-height:440px;overflow:hidden;padding:clamp(28px,5vw,60px);background:var(--paper)}@media(max-width:700px){.page{width:calc(100% - 20px);padding:24px 0}.mast{padding:18px}.demo{padding:18px}}
.panel{padding:18px;border:2px solid var(--line);border-radius:26px;box-shadow:0 12px 0 color-mix(in srgb,var(--secondary) 35%,transparent)}.row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.stack{display:grid;gap:12px}.action{padding:12px 20px;border:2px solid var(--ink);border-radius:14px;background:var(--paper);box-shadow:0 5px 0 var(--ink);font-weight:800}.action:active{transform:translateY(4px);box-shadow:0 1px 0 var(--ink)}.action.primary,.action.is-active{color:var(--paper);background:var(--accent)}.status{text-align:center;min-height:26px;margin-top:18px}.metric{text-align:center;font-size:clamp(34px,8vw,70px);font-weight:900}.muted{text-align:center;opacity:.7}.meter{height:14px;padding:2px;border:2px solid var(--ink);border-radius:999px}.meter>i{display:block;height:100%;border-radius:inherit;background:var(--secondary)}.chip{padding:7px 11px;border-radius:12px;background:color-mix(in srgb,var(--accent) 12%,transparent)}
.composition-index{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px}.index-mark{display:grid;align-content:space-between;width:76px;padding:16px 10px;border:1px solid var(--line);color:var(--accent);background:color-mix(in srgb,var(--paper) 82%,transparent);text-align:center}.index-mark strong{font:900 34px/1 ui-monospace,monospace}.index-mark span{writing-mode:vertical-rl;font:800 10px/1.2 ui-monospace,monospace;letter-spacing:.18em}.composition-index .demo{grid-column:1;grid-row:1}.composition-index::before{content:"";position:absolute;left:-12px;top:38px;width:5px;height:45%;background:linear-gradient(var(--accent),var(--secondary))}@media(max-width:700px){.composition-index{grid-template-columns:1fr}.index-mark{grid-row:1;width:auto;grid-template-columns:auto 1fr}.index-mark span{writing-mode:horizontal-tb}.composition-index .demo{grid-row:2}}
.fluid-type-lab{display:grid;grid-template-columns:minmax(230px,.62fr) minmax(0,1.38fr);gap:18px}.fluid-controls{display:grid;align-content:start;gap:15px}.fluid-controls label{display:grid;grid-template-columns:1fr auto;gap:8px;font-weight:800}.fluid-controls input{grid-column:1/-1;width:100%}.fluid-controls code{padding:12px;overflow:auto;border:1px dashed var(--line);border-radius:9px}.fluid-frame{display:flex;align-items:stretch;overflow:auto;padding:14px;border:1px solid var(--line);background:color-mix(in srgb,var(--secondary) 12%,transparent)}#fluidPreview{width:100%;min-width:280px;max-width:100%;padding:clamp(24px,5vw,64px);background:var(--paper)}#fluidPreview span{color:var(--accent);font-weight:900}#fluidPreview h3{max-width:15ch;margin:.25em 0;line-height:.96}#fluidPreview p{max-width:52ch;line-height:1.7}@media(max-width:720px){.fluid-type-lab{grid-template-columns:1fr}}.workflow-dispatch{display:grid;grid-template-columns:minmax(210px,.48fr) minmax(0,1.52fr);gap:18px}.dispatch-console{display:grid;align-content:start;gap:16px;padding:22px;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--secondary) 12%,var(--paper))}.dispatch-console h2{margin:.2em 0}.dispatch-console form,.dispatch-console label{display:grid;gap:7px}.dispatch-console input,.dispatch-console select{min-width:0;width:100%;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}.dispatch-console fieldset{display:flex;gap:12px;border:1px solid var(--line);border-radius:10px}.dispatch-console fieldset label{display:flex;align-items:center}.dispatch-workbench{--dispatch-load:.22;min-width:0;padding:14px;border-left:8px solid color-mix(in srgb,var(--accent) calc(var(--dispatch-load)*100%),var(--line));background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 8%,transparent),transparent 28%)}.dispatch-workbench[data-dispatch-priority="urgent"]{box-shadow:inset 0 0 0 2px var(--accent)}@media(max-width:900px){.workflow-dispatch{grid-template-columns:1fr}.dispatch-console{order:2}}.evidence-shell{--evidence-zoom:100;display:grid;gap:18px;padding:clamp(16px,4vw,26px);border:1px solid var(--line);border-radius:30px;background:linear-gradient(180deg,color-mix(in srgb,var(--secondary) 8%,transparent),color-mix(in srgb,var(--paper) 94%,transparent));box-shadow:var(--shadow)}.evidence-head{display:flex;justify-content:space-between;gap:18px;align-items:end}.evidence-head h2{margin:.2em 0}.evidence-tools{display:grid;gap:10px;justify-items:end}.evidence-tools output{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:var(--paper);font-weight:900}.evidence-body{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(230px,.55fr);gap:16px}.evidence-stage{display:grid;gap:12px;min-width:0}.evidence-ribbon{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.evidence-ribbon button{display:grid;gap:6px;min-height:110px;padding:14px;border:1px solid var(--line);border-radius:18px;background:var(--paper);text-align:left}.evidence-ribbon button[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 2px color-mix(in srgb,var(--accent) 35%,transparent)}.evidence-ribbon span{font:800 11px/1 ui-monospace,monospace;letter-spacing:.14em}.evidence-ribbon small{opacity:.72;line-height:1.5}.evidence-core-shell{min-width:0;padding:clamp(12px,3vw,20px);overflow:auto;border:1px solid var(--line);border-radius:24px;background:color-mix(in srgb,var(--paper) 92%,transparent)}.evidence-core-shell>*{display:block;width:calc(10000%/var(--evidence-zoom));max-width:none;transform:scale(calc(var(--evidence-zoom)/100));transform-origin:top left}.evidence-rail{display:grid;align-content:start;gap:14px;padding:18px;border-radius:22px;color:var(--paper);background:var(--ink)}.evidence-rail label{display:grid;gap:8px}.evidence-rail input,.evidence-rail select{width:100%;padding:10px;border:1px solid #ffffff2e;border-radius:10px;color:inherit;background:#ffffff12}.evidence-checklist,.evidence-log{display:grid;gap:8px;padding-left:18px;margin:0}.evidence-checklist li.is-active{color:var(--secondary);font-weight:900}.evidence-checklist li.is-done{color:var(--accent);font-weight:900}.evidence-log li{line-height:1.55}.evidence-shell[data-board-mode="proof"] .evidence-core-shell{outline:4px solid color-mix(in srgb,var(--accent) 32%,transparent);outline-offset:2px}.evidence-shell[data-board-mode="handoff"] .evidence-rail{background:color-mix(in srgb,var(--ink) 82%,#0a1512)}@media(max-width:920px){.evidence-body{grid-template-columns:1fr}.evidence-ribbon{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.evidence-head{align-items:stretch;flex-direction:column}.evidence-tools{justify-items:start}.evidence-ribbon{grid-template-columns:1fr}.evidence-core-shell>*{width:100%;transform:none}}
</style>
</head>
<body data-aesthetic="art-deco" data-composition="field-index">
<main class="page">
<header class="mast"><div><span class="eyebrow">art-deco / 流体标题排版 / INTERMEDIATE</span><h1>课堂手账流体标题排版</h1><p class="intro">在课堂手账场景中完成流体标题排版：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">课堂手账</span></header>
<div class="composition-index"><section class="demo" aria-label="课堂手账流体标题排版交互区域"><section id="evidenceShell" class="evidence-shell" data-board-mode="scan"><header class="evidence-head"><div><span class="eyebrow">课堂手账 / EVIDENCE BOARD</span><h2>流体标题排版观测面板</h2><p>把主案例放入证据看板，用单独的观察卡片、日志和模式切换记录当前结果。</p></div><div class="evidence-tools"><div class="row"><button class="action primary" type="button" data-board-mode="scan">扫描</button><button class="action" type="button" data-board-mode="proof">核验</button><button class="action" type="button" data-board-mode="handoff">交接</button></div><output id="evidenceStatus">等待采样</output></div></header><div class="evidence-body"><section class="evidence-stage"><div class="evidence-ribbon"><button type="button" data-evidence-card="0" aria-pressed="true"><span>01</span><strong>课堂手账协作</strong><small>检查状态变化是否可见</small></button><button type="button" data-evidence-card="1" aria-pressed="false"><span>02</span><strong>课堂手账进度</strong><small>确认键盘与点击入口一致</small></button><button type="button" data-evidence-card="2" aria-pressed="false"><span>03</span><strong>课堂手账提醒</strong><small>观察布局在窄屏下是否回退</small></button><button type="button" data-evidence-card="3" aria-pressed="false"><span>04</span><strong>课堂手账收藏</strong><small>记录当前复核结论</small></button></div><div id="evidenceCoreShell" class="evidence-core-shell"><div class="workflow-dispatch"><aside class="dispatch-console"><span class="eyebrow">课堂手账 DISPATCH</span><h2>课堂手账调度台</h2><form id="workflowDispatchForm"><label>任务类型<select id="workflowDispatchKind"><option>课堂手账版式调整</option><option>课堂手账重点强调</option><option>课堂手账阅读完成</option></select></label><label>阅读长度<input id="workflowDispatchAmount" type="number" min="1" max="9999" value="24"><span>字</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">应用版面</button></form><label>当前任务<select id="workflowDispatchActive" aria-label="切换当前任务"><option value="1">课堂手账版式调整</option><option value="2">课堂手账重点强调</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:typography-text-fluid-headline --><div class="fluid-type-lab"><div class="fluid-controls panel"><span class="eyebrow">FLUID HEADLINE</span><h2>流体标题排版</h2><label>最小字号 <input id="fluidMin" type="range" min="24" max="44" value="30" data-core-bridge="typography-text-fluid-headline"><output id="fluidMinValue">30px</output></label><label>最大字号 <input id="fluidMax" type="range" min="54" max="104" value="82"><output id="fluidMaxValue">82px</output></label><label>模拟视口 <input id="fluidViewport" type="range" min="320" max="1440" step="10" value="980"><output id="fluidViewportValue">980px</output></label><code id="fluidFormula">clamp(30px, 6vw, 82px)</code></div><div class="fluid-frame"><article id="fluidPreview" aria-label="模拟视口宽度 980 像素"><span>课堂手账</span><h3>标题随空间呼吸，而不是突然跳级。</h3><p>拖动模拟视口，观察字号在上下限之间连续变化。</p></article></div></div><!-- 11DZ_CORE_END --></section></div></div></section><aside class="evidence-rail"><label>画布缩放<input id="evidenceZoom" type="range" min="88" max="128" value="100"><output id="evidenceZoomValue">100%</output></label><label>当前取样<select id="evidenceStep"><option value="0">课堂手账协作</option><option value="1">课堂手账进度</option><option value="2">课堂手账提醒</option><option value="3">课堂手账收藏</option></select></label><ul id="evidenceChecklist" class="evidence-checklist"><li>课堂手账协作</li><li>课堂手账进度</li><li>课堂手账提醒</li><li>课堂手账收藏</li></ul><button id="evidenceCapture" class="action primary" type="button">写入证据</button><ol id="evidenceLog" class="evidence-log"><li>尚未写入证据</li></ol></aside></div></section><p id="status" class="status" role="status" aria-live="polite"></p></section><aside class="index-mark" aria-hidden="true"><strong>05</strong><span>课堂手账 FIELD INDEX</span></aside></div>
</main>
<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:typography-text-fluid-headline */
const fluidMin=document.querySelector('#fluidMin');const fluidMax=document.querySelector('#fluidMax');const fluidViewport=document.querySelector('#fluidViewport');const fluidPreview=document.querySelector('#fluidPreview');function renderFluidType(){let min=Number(fluidMin.value);let max=Math.max(min+10,Number(fluidMax.value));if(max!==Number(fluidMax.value))fluidMax.value=max;const width=Number(fluidViewport.value);const progress=(width-320)/(1440-320);const size=min+(max-min)*Math.max(0,Math.min(1,progress));fluidPreview.style.width=Math.min(width,fluidPreview.parentElement.clientWidth)+'px';fluidPreview.querySelector('h3').style.fontSize=size.toFixed(1)+'px';fluidPreview.setAttribute('aria-label','模拟视口宽度 '+width+' 像素，标题字号 '+size.toFixed(1)+' 像素');document.querySelector('#fluidMinValue').textContent=min+'px';document.querySelector('#fluidMaxValue').textContent=max+'px';document.querySelector('#fluidViewportValue').textContent=width+'px';document.querySelector('#fluidFormula').textContent='clamp('+min+'px, 6vw, '+max+'px)';announce('模拟 '+width+' 像素视口，标题 '+size.toFixed(1)+' 像素');}[fluidMin,fluidMax,fluidViewport].forEach(input=>input.addEventListener('input',renderFluidType));renderFluidType();
/* 11DZ_CORE_SCRIPT_END */
const workflowBridgeSpec={"name":"typography-text-fluid-headline","selector":"[data-core-bridge=\"typography-text-fluid-headline\"]","mode":"range","key":"ArrowRight"};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("input",workflowBridgeScheduleCommit);workflowBridgeControl.addEventListener('change',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();const step=Number(workflowBridgeControl.step)||1;const min=workflowBridgeControl.min===''?-Infinity:Number(workflowBridgeControl.min);const max=workflowBridgeControl.max===''?Infinity:Number(workflowBridgeControl.max);let next=Math.min(max,Math.max(min,(Number(workflowBridgeControl.value)||0)+step));if(next===Number(workflowBridgeControl.value))next=Math.max(min,Number(workflowBridgeControl.value)-step);workflowBridgeControl.value=String(next);workflowBridgeControl.dispatchEvent(new Event('input',{bubbles:true}));workflowBridgeControl.dispatchEvent(new Event('change',{bubbles:true}));const result=workflowBridgeCommit();setTimeout(workflowBridgeCommit,0);return result;}function workflowBridgeReset(){workflowBridgeCore.dataset.workflowVersion='0';workflowBridgeLastEffect=workflowBridgeSerialize();}
const workflowDispatchCore=document.querySelector('#workflowCore');const workflowDispatchForm=document.querySelector('#workflowDispatchForm');const workflowDispatchSelect=document.querySelector('#workflowDispatchActive');const workflowDispatchJobs=new Map([["1",{"label":"课堂手账版式调整","amount":12,"priority":"normal","touches":0}],["2",{"label":"课堂手账重点强调","amount":21,"priority":"urgent","touches":0}]]);let workflowDispatchSerial=workflowDispatchJobs.size;function workflowDispatchDrive(job,activate=false){workflowDispatchCore.dataset.dispatchPriority=job.priority;workflowDispatchCore.style.setProperty('--dispatch-load',Math.min(.95,.16+job.amount/120));const bridge=activate?workflowBridgeActivate():{changed:false,summary:workflowBridgeSummary()};document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' 字 · '+bridge.summary;announce('课堂手账当前任务：'+job.label);}function workflowDispatchRender(activeId,activate=false){workflowDispatchSelect.replaceChildren(...[...workflowDispatchJobs].map(([id,job])=>{const option=document.createElement('option');option.value=id;option.textContent=job.label+(job.priority==='urgent'?' · 紧急':'');return option;}));workflowDispatchSelect.value=activeId;workflowDispatchDrive(workflowDispatchJobs.get(activeId),activate);}workflowDispatchForm.addEventListener('submit',event=>{event.preventDefault();const data=new FormData(workflowDispatchForm);const id=String(++workflowDispatchSerial);workflowDispatchJobs.set(id,{label:document.querySelector('#workflowDispatchKind').value,amount:Math.max(1,Number(document.querySelector('#workflowDispatchAmount').value)||1),priority:data.get('workflowPriority'),touches:0});workflowDispatchRender(id,true);});workflowDispatchSelect.addEventListener('change',()=>workflowDispatchDrive(workflowDispatchJobs.get(workflowDispatchSelect.value),true));workflowDispatchCore.addEventListener('focusin',()=>{const job=workflowDispatchJobs.get(workflowDispatchSelect.value);if(!job)return;job.touches+=1;document.querySelector('#workflowDispatchSummary').textContent=job.label+' · '+job.amount+' 字 · '+workflowBridgeSummary();});workflowDispatchRender('1',false);
workflowBridgeReset();
const evidenceShell=document.querySelector('#evidenceShell');const evidenceStatus=document.querySelector('#evidenceStatus');const evidenceZoom=document.querySelector('#evidenceZoom');const evidenceZoomValue=document.querySelector('#evidenceZoomValue');const evidenceStep=document.querySelector('#evidenceStep');const evidenceChecklistItems=[...document.querySelectorAll('#evidenceChecklist li')];const evidenceCards=[...document.querySelectorAll('[data-evidence-card]')];const evidenceLog=document.querySelector('#evidenceLog');const evidenceModeButtons=[...evidenceShell.querySelectorAll('button[data-board-mode]')];const evidenceNotes=["课堂手账协作","课堂手账进度","课堂手账提醒","课堂手账收藏"];const evidenceCore=document.querySelector('#workflowCore');let evidenceCaptures=0;function evidenceSetCard(index){evidenceCards.forEach((card,cardIndex)=>{const active=cardIndex===index;card.setAttribute('aria-pressed',String(active));});evidenceChecklistItems.forEach((item,itemIndex)=>{item.classList.toggle('is-active',itemIndex===index);item.classList.toggle('is-done',itemIndex<evidenceCaptures);});}function evidenceRender(reason){const version=evidenceCore?.dataset.workflowVersion||'0';const zoom=Number(evidenceZoom.value);const active=Math.min(evidenceNotes.length-1,Number(evidenceStep.value)||0);evidenceShell.style.setProperty('--evidence-zoom',String(zoom));evidenceZoomValue.textContent=zoom+'%';evidenceSetCard(active);evidenceStatus.textContent=reason+' · 核心版本 '+version;}evidenceModeButtons.forEach(button=>button.addEventListener('click',()=>{evidenceModeButtons.forEach(item=>item.classList.toggle('primary',item===button));evidenceShell.dataset.boardMode=button.dataset.boardMode;evidenceRender('已切换到'+button.textContent);announce('证据模式：'+button.textContent);}));evidenceCards.forEach((card,index)=>card.addEventListener('click',()=>{evidenceStep.value=String(index);evidenceRender('已切换观察卡片');announce('观察卡片：'+evidenceNotes[index]);}));evidenceZoom.addEventListener('input',()=>{evidenceRender('画布缩放已更新');announce('观测缩放 '+evidenceZoom.value+'%');});evidenceStep.addEventListener('change',()=>{const index=Number(evidenceStep.value)||0;evidenceRender('已切换取样');announce('当前取样：'+evidenceNotes[index]);});document.querySelector('#evidenceCapture').addEventListener('click',()=>{const index=Math.min(evidenceNotes.length-1,Number(evidenceStep.value)||0);const note=evidenceNotes[index];const version=evidenceCore?.dataset.workflowVersion||'0';evidenceCaptures+=1;const item=document.createElement('li');item.textContent='证据 '+evidenceCaptures+' · '+note+' · 核心版本 '+version;const empty=evidenceLog.querySelector('li')?.textContent==='尚未写入证据';if(empty)evidenceLog.replaceChildren(item);else evidenceLog.prepend(item);while(evidenceLog.children.length>6)evidenceLog.lastElementChild.remove();evidenceRender('已写入证据 '+evidenceCaptures);announce('已写入证据 '+evidenceCaptures+' · '+note);});evidenceCore?.addEventListener('focusin',()=>evidenceRender('主案例获得焦点'));evidenceCore?.addEventListener('click',()=>evidenceRender('主案例发生交互'));evidenceRender('等待采样');
</script>
</body>
</html>