
:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#182d38;background:#f5f4ef;line-height:1.5;font-size:15px;--blue:#245b75;--border:#d7dedc}*{box-sizing:border-box}body{margin:0}header{border-bottom:1px solid var(--border);padding:20px max(24px,calc((100vw - 1180px)/2));display:flex;justify-content:space-between;align-items:center;background:#fff}header strong{font-size:23px;letter-spacing:-1px}header span,.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:1.7px;color:#596b70}main{max-width:1228px;margin:auto;padding:38px 24px}h1{font-size:clamp(28px,4vw,43px);letter-spacing:-1.5px;line-height:1.15;margin:10px 0 14px}h2{font-size:20px;margin:0 0 16px}h3{font-size:16px;margin:0}p{margin:8px 0 16px}.intro{max-width:720px;color:#53676e}.layout{display:grid;grid-template-columns:390px minmax(0,1fr);gap:24px;align-items:start}.card{background:#fff;border:1px solid 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#ffffffa0}.cut{background:#a5cbc8;color:#153c40}.cut.b{background:#c7c3df;color:#3b3557}.align{background:repeating-linear-gradient(135deg,#ebd7b2,#ebd7b2 4px,#f8eddb 4px,#f8eddb 8px)}.tail{background:#edf0ec;color:#61706d}.note{padding:12px 14px;border-left:3px solid #bd9555;background:#fbf6ea;font-size:13px;color:#6a583b;margin:16px 0}details{font-size:13px;margin-top:10px}summary{cursor:pointer;color:#315d70}table{border-collapse:collapse;width:100%;margin:12px 0;font-size:12px}th,td{text-align:left;padding:8px 6px;border-bottom:1px solid #e2e8e6}th{color:#586d73}.sample{display:flex;gap:3px;height:112px;width:180px;margin:12px 0}.sample div{flex:1;background-color:#f2f5f0;border:1px solid #c8d6cc;background-image:radial-gradient(ellipse at center,#729f91 0 23%,transparent 25%);background-size:48px 40px;position:relative}.sample div:after{content:attr(data-letter);position:absolute;bottom:3px;left:6px;font-size:11px;color:#315a4e;background:#ffffffc9;padding:0 4px}#error{background:#fff0e9;border:1px solid #e1b39e;border-radius:10px;padding:14px;color:#8b3625;margin-bottom:20px}#status{font-size:13px;color:#315d70;min-height:20px}.muted{color:#607178}.hidden,[hidden]{display:none!important}footer{font-size:12px;color:#718085;padding:6px 0 30px}@media(max-width:850px){.layout{grid-template-columns:1fr}.card{padding:20px}.stat strong{font-size:26px}main{padding:25px 16px}.intro{font-size:14px}}@media print{header,form,.actions,.badge,footer,#status{display:none}body{background:white}main{padding:0}.layout{display:block}.card{border:0;padding:0}.roll{break-inside:avoid}.bar{-webkit-print-color-adjust:exact;print-color-adjust:exact}.stat{-webkit-print-color-adjust:exact;print-color-adjust:exact}details table{display:table}details{display:block}h1{font-size:26px}}

:root{--bg:#f7f8f6;--surface:#fff;--text:#18202a;--muted:#697481;--line:#dde2e6;--accent:#356b8c;--max:1180px}
body{background:var(--bg);color:var(--text)}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}header{padding:0;background:var(--surface);border-bottom:1px solid var(--line)}.nav{height:72px;display:flex;align-items:center;justify-content:space-between}.brand{font-weight:750;letter-spacing:-.03em;text-decoration:none;color:var(--text)}.mark{display:inline-grid;place-items:center;width:30px;height:30px;margin-right:9px;border-radius:9px;background:var(--text);color:var(--bg);font-size:13px}.nav-right{display:flex;gap:24px;align-items:center;color:var(--muted)}.nav-right a{color:inherit;text-decoration:none}.theme{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:11px;background:var(--surface);cursor:pointer;padding:8px}header span{letter-spacing:normal;text-transform:none}footer{border-top:1px solid var(--line);padding:26px 0}.foot{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.foot nav{display:flex;gap:20px;flex-wrap:wrap}.foot a{color:inherit}.crumbs{font-size:12px;margin-bottom:18px;color:var(--muted)}.content{border-top:1px solid var(--line);padding-top:28px;margin-top:30px;max-width:900px}.content h2{margin-top:24px}.content p,.content li{color:var(--muted)}.content a,.related a{color:var(--accent)}.faq details{padding:12px 0;border-bottom:1px solid var(--line)}.related{display:flex;flex-wrap:wrap;gap:20px;margin:24px 0}#printWarning{display:none}.table-wrap{overflow-x:auto}.stat{min-width:0}.stat strong{overflow-wrap:anywhere}.resulthead{flex-wrap:wrap}.card{min-width:0}.wall button{min-height:44px}button:disabled{opacity:.5;cursor:default}
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[data-theme=dark] .card,[data-theme=dark] input,[data-theme=dark] select,[data-theme=dark] button{background:var(--surface);color:var(--text)}[data-theme=dark] .primary{background:#9fc9dc;color:#142f3a}[data-theme=dark] .stat{background:#26383f}[data-theme=dark] .stat:first-child{background:#245b75}[data-theme=dark] .stat span,[data-theme=dark] .intro,[data-theme=dark] .small,[data-theme=dark] .hint,[data-theme=dark] .muted,[data-theme=dark] .legend,[data-theme=dark] .step,[data-theme=dark] .eyebrow{color:#b7c6cc}[data-theme=dark] summary{color:#b6d8e8}[data-theme=dark] .note,[data-theme=dark] .badge{background:#332c21;color:#f0d6a4}[data-theme=dark] #error{background:#382520;color:#ffcab4}[data-theme=dark] #status{color:#b6d8e8}
@media(max-width:800px){.nav{height:64px}.nav-right a{display:none}.foot{flex-direction:column;gap:18px}}
@media(max-width:420px){.statgrid{grid-template-columns:1fr}.wall{grid-template-columns:18px minmax(0,1fr) 55px 32px}.card{padding:16px}.rollhead{flex-wrap:wrap}.piece{font-size:10px}}
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