回声厅玻璃景深空间
在回声厅场景中完成玻璃景深空间：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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<meta charset="utf-8">
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<title>回声厅玻璃景深空间</title>
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<body data-aesthetic="playful" data-composition="split-note">
<main class="page">
<header class="mast"><div><span class="eyebrow">playful / 玻璃景深空间 / INTERMEDIATE</span><h1>回声厅玻璃景深空间</h1><p class="intro">在回声厅场景中完成玻璃景深空间：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">回声厅</span></header>
<div class="composition-split"><aside class="split-note"><b>CASE 02</b><span>掌握玻璃景深空间的语义结构、响应式编排、键盘操作与状态同步。</span></aside><section class="demo" aria-label="回声厅玻璃景深空间交互区域"><div id="workflowSpatial" class="workflow-spatial" style="--spatial-width:64%;--spatial-zoom:1"><header><div><span class="eyebrow">回声厅 SPATIAL CANVAS</span><h2>回声厅调整台</h2></div><label>视觉强度占比<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:creative-effects-glass-depth --><div class="glass-depth-lab"><section id="glassStage" class="glass-stage" tabindex="0" aria-label="回声厅玻璃景深空间；移动指针或使用方向键改变视角" aria-describedby="glassHelp"><i class="glass-orb orb-a"></i><i class="glass-orb orb-b"></i><article class="glass-card glass-back"><span>背景层</span><strong>03</strong></article><article class="glass-card glass-middle"><span>回声厅</span><strong>景深</strong></article><article class="glass-card glass-front"><span>焦点层</span><strong>清晰</strong></article></section><aside class="glass-controls panel"><span class="eyebrow">GLASS DEPTH</span><h2>玻璃景深空间</h2><p id="glassHelp" class="muted">半透明、背景模糊与 Z 轴位移共同建立层次。</p><label>层间距离 <input id="glassDepth" type="range" min="20" max="110" value="66" data-core-bridge="creative-effects-glass-depth"><output id="glassDepthValue">66px</output></label><label>玻璃模糊 <input id="glassBlur" type="range" min="2" max="28" value="16"><output id="glassBlurValue">16px</output></label><button id="glassReset" class="action" type="button">重置视角</button></aside></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>回声厅基础层次</strong><p>回声厅动态层次与回声厅展示层次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="应用效果"></aside></div></div><p id="status" class="status" role="status" aria-live="polite"></p></section></div>
</main>
<script>
'use strict';
const statusOutput = document.querySelector('#status');
const announce = message => { statusOutput.textContent = message; };
/* 11DZ_CORE_SCRIPT_START:creative-effects-glass-depth */
const glassStage=document.querySelector('#glassStage');const glassDepth=document.querySelector('#glassDepth');const glassBlur=document.querySelector('#glassBlur');let glassTilt={x:0,y:0};function setGlassTilt(x,y){glassTilt={x:Math.max(-12,Math.min(12,x)),y:Math.max(-15,Math.min(15,y))};glassStage.style.setProperty('--tilt-x',glassTilt.x+'deg');glassStage.style.setProperty('--tilt-y',glassTilt.y+'deg');}glassStage.addEventListener('pointermove',event=>{const rect=glassStage.getBoundingClientRect();setGlassTilt(((event.clientY-rect.top)/rect.height-.5)*-20,((event.clientX-rect.left)/rect.width-.5)*24);});glassStage.addEventListener('pointerleave',()=>setGlassTilt(0,0));glassStage.addEventListener('keydown',event=>{if(!['ArrowLeft','ArrowRight','ArrowUp','ArrowDown'].includes(event.key))return;event.preventDefault();setGlassTilt(glassTilt.x+(event.key==='ArrowUp'?-2:event.key==='ArrowDown'?2:0),glassTilt.y+(event.key==='ArrowLeft'?-2:event.key==='ArrowRight'?2:0));announce('玻璃空间视角已调整');});function renderGlass(){glassStage.style.setProperty('--glass-depth',glassDepth.value+'px');glassStage.style.setProperty('--glass-blur',glassBlur.value+'px');document.querySelector('#glassDepthValue').textContent=glassDepth.value+'px';document.querySelector('#glassBlurValue').textContent=glassBlur.value+'px';announce('层间距离 '+glassDepth.value+' 像素，模糊 '+glassBlur.value+' 像素');}[glassDepth,glassBlur].forEach(input=>input.addEventListener('input',renderGlass));document.querySelector('#glassReset').addEventListener('click',()=>{setGlassTilt(0,0);glassStage.focus();announce('玻璃空间视角已重置');});renderGlass();
/* 11DZ_CORE_SCRIPT_END */
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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('回声厅画布已重排');}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='已应用效果 · 宽度 '+workflowSpatialState.width+'%，缩放 '+Math.round(workflowSpatialState.zoom*100)+'% · '+bridge.summary;announce(document.querySelector('#workflowSpatialStatus').textContent);});workflowSpatialDrive();
workflowBridgeReset();
</script>
</body>
</html>