:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#23302c;background:#f4f5f0;font-synthesis:none;--line:#dbe0d7;--green:#275340;--muted:#707b72}*{box-sizing:border-box}body{margin:0}header,footer{display:flex;justify-content:space-between;align-items:center;padding:22px 5vw;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-weight:650;font-size:14px}.brand span{font-weight:400;color:var(--muted)}button,input{font:inherit}button{cursor:pointer;border:1px solid #bdc7bd;border-radius:7px;padding:13px 20px;background:#fff;color:var(--green);font-weight:600;transition:background .15s}button:hover{background:#eaf0e7}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #62a3b9;outline-offset:3px}button:disabled{cursor:default;opacity:.45}.quiet{padding:8px 12px;background:transparent;font-size:12px}main{max-width:1500px;margin:auto;padding:46px 5vw 60px}.eyebrow{font-size:11px;letter-spacing:.17em;color:#6e826e;margin:0 0 14px}h1{font-size:clamp(26px,3vw,40px);font-weight:620;letter-spacing:-.035em;margin:0 0 12px}.intro>p:last-child{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:32px}.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);border:1px solid var(--line);border-radius:12px;background:white;overflow:hidden;min-height:570px}aside{padding:28px;border-right:1px solid var(--line)}.section-title{display:flex;gap:11px;align-items:center}h2{font-size:14px;font-weight:650;margin:0}.step{font-size:10px;font-variant-numeric:tabular-nums;border:1px solid var(--line);padding:4px 5px;border-radius:4px;color:#82907e}.hint{font-size:12px;color:var(--muted);line-height:1.9;margin:15px 0 20px}.dimensions{display:flex;align-items:center;gap:9px;margin:24px 0}.dimensions label{flex:1;min-width:0;font-size:12px}.dimensions label span{display:block;color:var(--muted);margin-bottom:9px}.dimensions b{color:#abb6a7;font-weight:400;margin-top:22px}.dimensions input{min-width:0;width:100%;padding:11px 7px;background:#fafbf8;border:1px solid #d3dbcf;border-radius:5px;font-size:18px;color:#263c2b;font-variant-numeric:tabular-nums}.toggle{display:flex;align-items:center;gap:8px;font-size:13px}.toggle input{accent-color:var(--green);width:16px;height:16px}.primary{background:var(--green);color:white;border-color:var(--green);width:100%;margin-top:4px}.primary:hover{background:#35694f}.download-section{border-top:1px solid var(--line);padding-top:25px;margin-top:28px}#download{width:100%}.filename{font-size:10px;color:#7c877c;overflow-wrap:anywhere;line-height:1.7;margin:11px 0}.status{font-size:11px;color:var(--muted);line-height:1.8;margin-top:20px}.preview-section{padding:22px 25px;background:#fafbf8;min-width:0}.preview-heading{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#64725f;margin-bottom:20px}.badge{font-size:10px;border:1px solid var(--line);padding:5px 7px;border-radius:4px}.previews{display:grid;gap:14px;min-height:400px;align-content:center}.preview-card{margin:0;border:1px solid #dce1d9;border-radius:7px;overflow:hidden;background-color:#fff;background-image:linear-gradient(45deg,#eff1ec 25%,transparent 25%),linear-gradient(-45deg,#eff1ec 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eff1ec 75%),linear-gradient(-45deg,transparent 75%,#eff1ec 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.preview-card img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}.preview-card figcaption{font-size:11px;color:#7b8975;background:#ffffffeb;padding:8px 12px}.previews.two{grid-template-columns:1fr 1fr;gap:12px}.previews.two img{min-height:220px}.preview-note{font-size:11px;color:#91a08b;text-align:center;margin:18px 0 0}.message{font-size:13px;color:#a04b32;line-height:1.8;text-align:center;max-width:500px;margin:12px auto}.message:empty{display:none}footer{border-bottom:0;border-top:1px solid var(--line);font-size:11px;color:#93a08c;padding-top:20px;padding-bottom:20px}@media(max-width:850px){.workspace{grid-template-columns:250px minmax(0,1fr)}aside{padding:22px 18px}.previews.two{grid-template-columns:1fr}.previews{min-height:350px}.previews.two img{min-height:0}}@media(max-width:600px){header{padding:17px 5vw}.brand{gap:7px;font-size:12px}main{padding-top:30px}.workspace{grid-template-columns:1fr}aside{border-right:0;border-bottom:1px solid var(--line)}.download-section{padding-top:20px;margin-top:20px}.previews{min-height:220px}.preview-section{padding:18px}.intro>p:last-child{font-size:13px}footer{gap:18px;align-items:flex-start}.status{margin-bottom:0}}@media(prefers-reduced-motion:reduce){button{transition:none}}
.room-section{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.room-section .hint{margin:10px 0 16px}.room-previews{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}.room-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:7px;overflow:hidden;min-width:0}.room-card svg{display:block;width:100%;aspect-ratio:4/3}.room-card figcaption{font-size:11px;padding:10px 12px;color:#64725f;border-top:1px solid var(--line)}.room-card .outside{color:#a04b32}@media(max-width:600px){.room-previews{grid-template-columns:1fr}}