.sf-hero{background:var(--paper);padding:40px 0 52px}.sf-hero-in{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:center;gap:48px;display:grid}.sf-hero h1{max-width:16ch}.sf-hero-img{aspect-ratio:4/3.4;background:#fff;border-radius:16px;place-items:center;display:grid;overflow:hidden}.sf-hero-img img{object-fit:contain;width:100%;height:100%;padding:18px}@media (max-width:860px){.sf-hero-in{grid-template-columns:1fr;gap:24px}}.sheets{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.sheet{border:1.5px solid var(--blue-100);scroll-margin-top:calc(var(--hdr) + 20px);background:#fff;border-radius:4px;flex-direction:column;display:flex}.sheet:target{border-color:var(--blue);box-shadow:0 0 0 4px var(--blue-100)}.sheet-img{aspect-ratio:4/3;border-bottom:1.5px solid var(--blue-100);background-image:linear-gradient(var(--blue-50) 1px, transparent 1px), linear-gradient(90deg, var(--blue-50) 1px, transparent 1px);background-size:20px 20px;place-items:center;display:grid;overflow:hidden}.sheet-img img{object-fit:contain;mix-blend-mode:multiply;width:100%;height:100%;padding:16px}.sheet-b{flex-direction:column;flex:1;padding:0 0 16px;display:flex}.sheet-top{border-bottom:1px solid var(--blue-100);color:var(--blue-d);grid-template-columns:auto 1fr;font-size:.78rem;font-weight:700;display:grid}.sheet-top span{padding:7px 14px}.sheet-top span+span{border-left:1px solid var(--blue-100)}.sheet h3{margin-bottom:6px;padding:14px 16px 0}.sheet p{color:var(--text);padding:0 16px;font-size:.94rem}.sheet dl{border-top:1px solid var(--line);gap:0;margin:0 16px 12px;display:grid}.sheet dl div{border-bottom:1px solid var(--line);justify-content:space-between;padding:7px 0;font-size:.9rem;display:flex}.sheet dt{color:var(--muted)}.sheet dd{color:var(--ink);margin:0;font-weight:700}.sheet .link-arrow{margin:auto 16px 0;font-size:.92rem}@media (max-width:960px){.sheets{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:580px){.sheets{grid-template-columns:1fr}}.cf-wrap{grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);align-items:start;gap:48px;display:grid}.cf-intro{top:calc(var(--hdr) + 24px);position:sticky}.cf{background:#fff;border-radius:16px;padding:8px 24px 24px}.cf-ref{background:var(--paper);border-radius:10px;margin:16px 0 0;padding:10px 14px}.cf fieldset{border:0;border-bottom:1px solid var(--line);min-width:0;margin:0;padding:20px 0}.cf legend{font:600 1.08rem var(--head);color:var(--ink);float:left;align-items:center;gap:10px;width:100%;margin-bottom:14px;padding:0;display:flex}.cf legend+*{clear:both}.cf legend span{background:var(--blue);color:#fff;border-radius:50%;place-items:center;width:26px;height:26px;font-size:.82rem;display:grid}.cf-chips{flex-wrap:wrap;gap:8px;display:flex}.cf-chips button{border:1.5px solid var(--line-cool);color:var(--ink);background:#fff;border-radius:999px;padding:9px 15px;font-size:.94rem}.cf-chips button[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}.cf-shapes{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.cf-shapes button{border:2px solid var(--line-cool);text-align:center;color:var(--muted);background:#fff;border-radius:12px;flex-direction:column;align-items:center;gap:2px;padding:12px 10px;display:flex}.cf-shapes svg{width:64px;height:40px;margin-bottom:6px}.cf-shapes b{font-family:var(--head);color:var(--ink);font-weight:600}.cf-shapes small{font-size:.78rem;line-height:1.3}.cf-shapes button[aria-pressed=true]{border-color:var(--blue);color:var(--blue);box-shadow:0 0 0 3px var(--blue-100)}.cf-dims{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px;display:grid}.cf-dims small,.field label small{color:var(--muted);font-weight:400}.cf-drop{text-align:left;border:2px dashed var(--blue-100);background:var(--blue-50);width:100%;color:var(--ink);border-radius:12px;align-items:center;gap:14px;padding:16px;display:flex}.cf-drop:hover{border-color:var(--blue)}.cf-drop svg{width:26px;height:26px;color:var(--blue);flex:none}.cf-drop b{font-family:var(--head);display:block}.cf-drop small{color:var(--muted)}.cf-files{gap:6px;margin:10px 0 0;padding:0;list-style:none;display:grid}.cf-files li{background:var(--paper);border-radius:8px;justify-content:space-between;align-items:center;padding:6px 6px 6px 12px;font-size:.9rem;display:flex}.cf-files button{width:28px;height:28px;color:var(--muted);background:0 0;border:0;place-items:center;display:grid}.cf-files svg{width:14px;height:14px}.cf-foot{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-top:20px;display:flex}.cf-sent{background:#fff}@media (max-width:960px){.cf-wrap{grid-template-columns:1fr;gap:20px}.cf-intro{position:static}}@media (max-width:640px){.cf{padding:4px 16px 18px}.cf-shapes,.cf-dims{grid-template-columns:1fr 1fr}.cf-foot .btn{width:100%}}