:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#1b2938;background:#f4f6f8;line-height:1.6;--red:#bf2229}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}.top{height:76px;padding:0 max(24px,calc((100vw - 1160px)/2));background:white;border-bottom:1px solid #e3e7eb;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-weight:800;font-size:22px;letter-spacing:1px}.brand span{font-size:14px;color:#71808d;font-weight:400;letter-spacing:0;margin-left:14px}.badge{background:#f1f3f5;padding:5px 12px;border-radius:6px;font-size:12px;color:#596a79}main{max-width:1160px;margin:auto;padding:36px 24px}h1{font-size:40px;line-height:1.3;margin:12px 0 18px;letter-spacing:-1px}h2{font-size:23px;margin:0 0 14px}p{color:#647381}.intro{padding:38px 0 48px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:var(--red)}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.section-title span{font-size:14px;color:#71808d}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid #e2e7ed;border-radius:12px;overflow:hidden;transition:box-shadow .15s,transform .15s}.card:hover{transform:translateY(-3px);box-shadow:0 8px 25px #25384a10}.product-image{height:205px;background:white;display:grid;place-items:center;padding:20px}.product-image img{width:100%;height:100%;object-fit:contain}.card-body{padding:22px;border-top:1px solid #f0f2f4}.card h2{font-size:19px;margin-top:7px}.link{font-size:13px;color:var(--red)}.notice{padding:24px 28px;border-left:3px solid #9eabb9;background:#eaf0f4;margin:36px 0 0;border-radius:4px}.notice p{font-size:14px;margin-bottom:0}.hero{display:grid;grid-template-columns:1fr 1.25fr;gap:48px;align-items:center;padding:36px 0}.hero-image{background:white;border-radius:12px;padding:24px;height:300px;text-align:center}.hero-image img{max-width:100%;height:100%;object-fit:contain}.back{color:#647381;font-size:14px}.button,button{display:inline-block;border:0;border-radius:6px;background:var(--red);color:#fff;font:inherit;padding:11px 19px;cursor:pointer}button:disabled{opacity:.5;cursor:wait}.tabs{display:flex;gap:28px;background:#fff;padding:17px 24px;border:1px solid #e3e7eb;border-radius:8px;margin:16px 0 34px}.tabs a:hover{color:var(--red)}section[id]{scroll-margin-top:20px;margin-bottom:40px}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.gallery a{background:white;border:1px solid #e3e7eb;border-radius:8px;padding:10px}.gallery img{display:block;width:100%;height:auto}.panel{background:white;padding:28px;border-radius:10px;border:1px solid #e3e7eb}.muted{font-size:14px;color:#788691}.param-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.param-grid label{font-size:13px;font-weight:600}select,input{width:100%;font:inherit;border:1px solid #ccd4dc;border-radius:5px;padding:10px;background:white;margin-top:6px;min-height:44px}#status{padding:14px 0;color:#647381;font-size:14px}.error{color:#ae2930!important;background:#fff1f1;border-radius:5px;padding:14px!important}#results{margin-top:24px}.sku-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 0;border-top:1px solid #edf0f3}.sku-row small{display:block;color:#647381}table{border-collapse:collapse;width:100%}td,th{padding:12px;text-align:left;border-bottom:1px solid #e5e9ed;font-size:14px}th{background:#f6f8fa}.files{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0}.viewer{position:relative;background:#fff;border:1px solid #dce3e9;border-radius:10px;min-height:420px;overflow:hidden}canvas{display:block;width:100%;height:500px;outline:0}.viewer-status{padding:20px;color:#697887}.viewer-tools{display:flex;gap:10px;padding:14px}.viewer-tools button{background:#34485a;font-size:13px}footer{padding:36px;text-align:center;color:#8994a0;font-size:12px}iframe{width:100%;height:650px;border:1px solid #ddd}.empty{padding:36px;color:#697887;background:#edf1f5;border-radius:8px}a:focus-visible,button:focus-visible{outline:3px solid #dc8587;outline-offset:3px}@media(max-width:720px){.top{height:64px;padding:0 20px}.brand{font-size:18px}.brand span{display:none}main{padding:24px 18px}.intro{padding:20px 0 30px}h1{font-size:30px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-image{height:150px;padding:12px}.card-body{padding:14px}.card h2{font-size:16px}.hero{grid-template-columns:1fr;gap:22px;padding:24px 0}.hero-image{height:240px}.gallery{grid-template-columns:1fr}.param-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.panel{padding:20px}.sku-row{align-items:flex-start;flex-direction:column}.sku-row button{width:100%}.tabs{gap:20px;padding:14px;font-size:14px}canvas{height:400px}}
[hidden]{display:none!important}
.viewer-tools{flex-wrap:wrap}.viewer-tools #measurement{flex-basis:100%;font-size:13px;color:#526575}summary{cursor:pointer;font-weight:600}details[open] summary{margin-bottom:18px}h1{overflow-wrap:anywhere}.top .badge{white-space:nowrap}@media(max-width:720px){.top{gap:8px}.top .badge{font-size:11px;padding:5px 8px}.viewer-tools button{padding:10px 12px}}