@charset "UTF-8";
:root{--paper:#f4f2eb;--card:#fffef9;--ink:#243d35;--muted:#68776d;--line:#d4d9ce;--green:#264f40;--lime:#d9e6aa;--orange:#b77d43;--radius:16px;font-family:"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0}button,input,textarea,select{font:inherit}a{color:inherit;text-underline-offset:4px}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:42px;border:1px solid var(--line);border-radius:8px;padding:10px 16px;background:var(--card);color:var(--ink);cursor:pointer;text-decoration:none;line-height:1.4}button:hover,.button:hover{border-color:var(--green);background:#e8eddf}button.primary,.button.primary{background:var(--green);color:#fff;border-color:var(--green)}button.primary:hover,.button.primary:hover{background:#35654f}button:disabled{opacity:.5;cursor:not-allowed}:focus-visible{outline:3px solid #b8752e;outline-offset:4px}p{line-height:1.8}h1,h2,h3,p{margin-top:0}h2{font-size:clamp(25px,3vw,38px);line-height:1.4;letter-spacing:-1px;margin-bottom:15px}h3{font-size:19px;line-height:1.5}hr{border:0;border-top:1px solid var(--line);margin:24px 0}.skip{position:fixed;top:-80px;left:20px;background:white;padding:14px;z-index:50}.skip:focus{top:10px}.topbar{position:sticky;top:0;background:#f4f2ebf5;backdrop-filter:blur(14px);z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 4vw;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700;text-decoration:none;letter-spacing:2px}.brand small{display:block;font-size:9px;letter-spacing:1.6px;margin-top:5px;color:var(--muted)}.brand-icon{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--green);border-radius:50%;font-family:Georgia,serif;font-size:26px;font-weight:400}.topbar nav{display:flex;gap:26px;font-size:13px}.topbar nav a{text-decoration:none}.topbar nav a:hover{text-decoration:underline}main{max-width:1320px;margin:auto;padding:0 4vw}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:65px;padding:74px 0 58px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:600;color:var(--muted);margin-bottom:20px}.hero h1{font-size:clamp(36px,4.6vw,65px);line-height:1.22;letter-spacing:-2.4px;font-weight:600;margin:0 0 25px}.hero h1 span{color:#6a805a}.intro{font-size:16px;max-width:470px;color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0}.micro,.small{font-size:12px;color:var(--muted);line-height:1.8}.micro{margin:18px 0 0}.hero-visual{background:#e7ebdf;border:1px solid #ced7c5;border-radius:100px 16px 16px 16px;padding:28px 32px 20px;transform:rotate(-1deg)}.drawing-title{display:flex;justify-content:space-between;font-size:10px;letter-spacing:1px;margin:10px 0 16px;color:#52694d}.hero-visual canvas{display:block;width:100%;height:auto;image-rendering:pixelated;border:8px solid #c7ccba;border-radius:3px}.hero-visual p{font-size:11px;margin:15px 0 0;color:#52694d}.route-strip{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.route-strip a{display:flex;align-items:center;gap:12px;padding:21px 14px;font-size:12px;text-decoration:none;border-right:1px solid var(--line)}.route-strip a:last-child{border:0}.route-strip b{font-family:Georgia,serif;font-size:24px;color:#91a083;font-weight:400}.route-strip small{margin-left:auto;color:var(--muted)}.section{padding:64px 0;border-bottom:1px solid var(--line)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading .eyebrow{margin-bottom:10px}.tag{font-size:11px;color:var(--green);border:1px solid var(--line);padding:8px 12px;border-radius:99px;white-space:nowrap}.two-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px}.card p:last-child{margin-bottom:0}.card p{font-size:14px;color:var(--muted)}.number{display:block;font-family:Georgia,serif;font-style:italic;font-size:30px;color:#9aab81;margin-bottom:15px}.field{display:block;font-size:13px;font-weight:600;line-height:1.7;margin:18px 0 0}textarea,input:not([type=checkbox]),select{display:block;width:100%;border:1px solid var(--line);border-radius:8px;background:#fffef9;padding:11px;color:var(--ink);margin-top:8px;font-weight:400}textarea{resize:vertical;min-height:75px}.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--card)}.lab-main{min-width:0;background:#e8eadf;padding:20px}.lab-toolbar{display:flex;gap:8px;justify-content:space-between;flex-wrap:wrap;margin-bottom:16px}.segmented{display:flex;background:#d8dfcf;padding:3px;border-radius:8px}.segmented button{background:transparent;border:0;font-size:12px}.segmented .active{background:var(--card);box-shadow:0 1px 4px #203b3120}.quiet{font-size:12px;background:transparent}.canvas-wrap{max-width:768px;margin:auto}#room{display:block;width:100%;height:auto;image-rendering:pixelated;touch-action:none;border-radius:4px;border:1px solid #526956}.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:10px;margin:16px 0;color:#526956}.legend span{display:flex;align-items:center;gap:5px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%}.green{background:#317955}.gold{background:#ae7028}.blue{background:#286c9e}.walk-controls{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.walk-controls button{min-width:38px;padding:5px 10px;font-size:12px}.walk-controls span{font-size:12px;margin-left:auto}.status{font-size:13px;line-height:1.7;min-height:23px;margin:14px 0 0}.inspector{padding:25px;border-left:1px solid var(--line)}.inspector .eyebrow{margin-bottom:0}.inspector .two-grid{gap:10px}.inspector button{font-size:12px}.dimension{font-size:13px;color:var(--muted);margin:15px 0}.wide{width:100%}.code{white-space:pre-wrap;word-break:break-word;border-radius:12px;background:#203c32;color:#e3edcf;padding:25px;font:13px/1.9 Consolas,monospace;margin:0}.small-code{padding:15px;font-size:12px;margin-top:20px}.comparison{margin-top:25px;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:12px}.comparison .section-heading{margin:0}.comparison h3{margin:0}.comparison p{margin:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px;margin-top:14px}th,td{padding:12px 9px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:500}td button{padding:4px 10px;min-height:30px;font-size:11px}.ok{color:#287046}.bad{color:#a3452c}details{border-bottom:1px solid var(--line);padding:20px 0;font-size:13px;line-height:1.9}summary{cursor:pointer;font-weight:600}details p{margin:15px 0 0}details ol{padding-left:24px}.model-note{border-left:3px solid #a9b982;padding:8px 15px;font-size:12px;color:var(--muted);margin:20px 0 0}.check{display:flex;align-items:center;gap:9px;font-size:14px;margin:18px 0;cursor:pointer}input[type=checkbox]{width:18px;height:18px;accent-color:var(--green)}.ai-card{padding:32px;border:1px solid #bbc9ad;border-radius:16px;background:#e4ebd8}.ai-card blockquote{margin:0 0 26px;font-size:20px;line-height:1.8;font-family:Georgia,"Microsoft YaHei",serif}.showroom-banner{margin-top:55px;padding:42px;background:var(--green);border-radius:16px;display:flex;align-items:center;justify-content:space-between;gap:25px;color:var(--paper)}.showroom-banner .eyebrow{color:#bdcba8}.showroom-banner p{max-width:560px;font-size:14px}.showroom-banner .primary{background:var(--lime);color:var(--green);white-space:nowrap}footer{max-width:1320px;padding:38px 4vw;margin:auto;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}footer div{display:flex;gap:20px}footer p{width:100%;font-size:10px;margin:0}
@media(max-width:950px){.hero{gap:25px}.route-strip a{padding:15px 7px;gap:5px}.route-strip small{display:none}.lab-layout{grid-template-columns:minmax(0,1fr) 240px}.inspector{padding:18px}.three-grid{gap:10px}.card{padding:20px}.tag{white-space:normal}.topbar nav{gap:14px}}
@media(max-width:700px){html{scroll-padding-top:125px}.topbar{align-items:flex-start;flex-direction:column;gap:15px;padding:14px 5vw}.topbar nav{width:100%;justify-content:space-between}.hero{grid-template-columns:1fr;padding:40px 0;gap:30px}.hero h1{font-size:43px}.hero-visual{max-width:500px;transform:none;padding:20px 25px}.route-strip{grid-template-columns:1fr 1fr}.route-strip a{border-bottom:1px solid var(--line)}.route-strip a:last-child{grid-column:1/-1}.section{padding:40px 0}.section-heading{align-items:flex-start;flex-direction:column;gap:10px}.two-grid,.three-grid,.lab-layout{grid-template-columns:1fr}.inspector{border-left:0;border-top:1px solid var(--line)}.inspector .two-grid{grid-template-columns:1fr 1fr}.lab-main{padding:12px}.comparison{padding:15px}.showroom-banner{flex-direction:column;align-items:flex-start;padding:28px}.hero .actions{flex-direction:column;align-items:stretch}footer div{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{.topbar,footer,button,.route-strip,.hero-visual,.showroom-banner{display:none!important}body{background:white;color:black}p,li{orphans:3;widows:3}.section{padding:20px 0}details{display:block}a{color:black;text-decoration:none}}