:root{--ink:#14172a;--panel:#1a1e35;--card:#222744;--edge:#3a4068;--snow:#f5f6fb;--mist:#c3c8e0;--gold:#ffd25e;--gold2:#ffe08f;--teal:#ffd25e;--violet:#5b3df5} *{box-sizing:border-box} html{scroll-behavior:smooth;scroll-padding-top:104px} body{margin:0;background:var(--ink);color:var(--snow);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;overflow-x:hidden} img{max-width:100%;height:auto;display:block} a{color:var(--teal)} h1,h2,h3{line-height:1.2;margin:0;font-weight:800} .bc-top{position:sticky;top:0;z-index:60;background:#0f1222;border-bottom:1px solid var(--edge)} .bc-top-in{max-width:1120px;margin:0 auto;padding:8px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px} .bc-logo{flex:none;line-height:0;margin-right:auto}.bc-logo img{width:121px;height:22px} .bc-menu{order:3;flex:0 0 100%;display:flex;flex-wrap:wrap;justify-content:center;gap:0 16px} .bc-menu a{color:var(--snow);text-decoration:none;font-size:13px;font-weight:600;padding:2px 2px;white-space:nowrap} .bc-menu a:hover{color:var(--teal)} .bc-btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:48px;padding:11px 34px;border-radius:8px;background:var(--violet);color:#fff;font-weight:800;font-size:16px;text-decoration:none} .bc-btn:hover{background:#6f55ff} .bc-top-btn{flex:none;min-height:38px;padding:6px 18px;font-size:14px} .bc-burger{display:none;flex:none;background:var(--card);color:var(--snow);border:1px solid var(--edge);border-radius:8px;font:700 15px/1 inherit;padding:10px 14px;cursor:pointer} .bc-wrap{max-width:1120px;margin:0 auto;padding:0 16px} .bc-hero{background:#1b1f3a;padding:30px 0;border-bottom:1px solid var(--edge)} .bc-hero-in{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:36px;align-items:center} .bc-hero h1{font-size:48px;color:var(--gold);margin-bottom:14px} .bc-hero p{margin:0 0 20px;font-size:18px} .bc-hero .bc-go{margin:0;text-align:left} .bc-hero-art{margin:0;line-height:0} .bc-hero-art img{width:100%;border-radius:10px} .bc-sec{padding:36px 0 32px} .bc-alt{background:var(--panel)} .bc-sec h2{font-size:27px;color:var(--gold);margin-bottom:12px;padding-bottom:9px;border-bottom:1px solid var(--edge)} .bc-lead{margin:0 0 12px;font-size:16.5px} .bc-sec p,.bc-sec li{overflow-wrap:break-word} .bc-go{text-align:center;margin:22px 0 0} .bc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:14px 0 18px} .bc-tile{margin:0;background:var(--card);border:1px solid var(--edge);border-radius:10px;overflow:hidden} .bc-tile img{width:100%;height:auto;aspect-ratio:432/580;object-fit:cover} .bc-tile figcaption{padding:7px 8px;font-size:14px;font-weight:600;text-align:center;line-height:1.3} .bc-row{display:grid;gap:16px;margin-top:14px} .bc-w1{grid-template-columns:1fr} .bc-w2{grid-template-columns:repeat(2,minmax(0,1fr))} .bc-last-wide>:last-child{grid-column:1/-1} .bc-first-wide>:first-child{grid-column:1/-1} .bc-lucky>:nth-child(1),.bc-lucky>:nth-child(5){grid-column:1/-1} .bc-tail-wide>:nth-child(n+3){grid-column:1/-1} .bc-pair-coins{grid-template-columns:minmax(0,1fr) 320px} .bc-w3{grid-template-columns:repeat(3,minmax(0,1fr))} .bc-w6{grid-template-columns:repeat(6,minmax(0,1fr))}.bc-w6>*{grid-column:span 2}.bc-w6>:nth-child(n+4){grid-column:span 3} .bc-card{background:var(--card);border:1px solid var(--edge);border-top:2px solid var(--violet);border-radius:8px;padding:15px 18px} .bc-card h3{font-size:18px;margin-bottom:7px;color:var(--snow)} .bc-card p{margin:0 0 9px;color:#e3e6f3} .bc-card p:last-child{margin:0} .bc-card ul,.bc-card ol{margin:0 0 9px;padding-left:20px;color:#e3e6f3} .bc-card ul:last-child,.bc-card ol:last-child{margin-bottom:0} .bc-pair{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:32px;align-items:center;margin-bottom:12px} .bc-pair-t>*:last-child{margin-bottom:0} .bc-art{margin:0;line-height:0} .bc-art img{width:100%;border-radius:10px} .bc-tab{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--edge);margin:6px 0 4px} .bc-tab th{background:#2e3460;color:var(--snow);text-align:left;padding:9px 12px;font-size:14.5px} .bc-tab td{padding:8px 12px;border-top:1px solid var(--edge);overflow-wrap:anywhere} .bc-faq{display:grid;grid-template-columns:1fr 1fr;gap:14px} .bc-faq details{background:var(--card);border:1px solid var(--edge);border-radius:8px;padding:13px 18px} .bc-faq details:last-child:nth-child(odd){grid-column:1/-1} .bc-faq summary{font-weight:700;cursor:pointer} .bc-faq p{margin:8px 0 0;color:#e3e6f3} .bc-foot{background:#0f1222;border-top:1px solid var(--edge);padding:26px 16px 30px;text-align:center} .bc-foot-links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 22px;margin-bottom:12px} .bc-foot-links a{color:var(--snow);text-decoration:none;font-size:14.5px} .bc-foot-links a:hover{color:var(--teal)} .bc-duty{margin:0;color:var(--mist);font-size:14.5px} .bc-age{display:inline-block;border:1px solid var(--mist);border-radius:50%;padding:3px 6px;margin-right:6px;font-size:12.5px;font-weight:700} .bc-dock{display:none} .bc-doc{max-width:1088px;margin:0 auto;padding:22px 16px 40px;display:block} .bc-trail{font-size:14px;color:var(--mist);margin-bottom:12px} .bc-trail a{color:var(--teal)} .bc-doc h1{font-size:36px;color:var(--gold);margin-bottom:14px} .bc-doc-body{max-width:none;columns:2;column-gap:32px} .bc-doc-body h2{font-size:20px;color:var(--snow);margin:18px 0 6px;break-after:avoid} .bc-doc-body h2:first-child{margin-top:0} .bc-doc-body p{margin:0 0 10px;color:#e3e6f3} .bc-doc-body ul{margin:0 0 12px;padding-left:20px;color:#e3e6f3} .bc-doc-body li{break-inside:avoid} .bc-code{font:700 15px/1 ui-monospace,Menlo,monospace;color:#17200f;background:var(--gold);padding:3px 8px;border-radius:4px} @media (max-width:900px){ html{scroll-padding-top:66px} .bc-top-in{flex-wrap:nowrap;gap:10px} .bc-burger{display:block} .bc-top-btn{display:none} .bc-menu{display:none;flex-wrap:nowrap;position:fixed;top:56px;left:0;right:0;max-height:calc(100vh - 56px);overflow:auto;background:#0f1222;border-bottom:1px solid var(--edge);flex-direction:column;padding:8px 16px 16px} .bc-open .bc-menu{display:flex} .bc-menu a{font-size:16px;padding:9px 2px;border-bottom:1px solid #2a2f55} .bc-hero-in{grid-template-columns:1fr;gap:18px} .bc-hero h1{font-size:36px} .bc-hero .bc-go{text-align:center} .bc-w2,.bc-w3,.bc-w6{grid-template-columns:1fr}.bc-w6>*,.bc-w6>:nth-child(n+4){grid-column:auto} .bc-pair{grid-template-columns:1fr;gap:12px} .bc-faq{grid-template-columns:1fr} .bc-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px} .bc-tab th,.bc-tab td{padding:7px 7px;font-size:14px} .bc-doc-body{columns:1} .bc-dock{display:flex;position:sticky;bottom:0;z-index:50;background:#0f1222;border-top:1px solid var(--edge);padding:7px 12px} .bc-dock .bc-btn{width:100%;min-height:44px} } .bc-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;margin-top:14px} .bc-span{grid-column:span var(--s);display:flex} .bc-span>.bc-card{width:100%} .bc-origs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:14px} .bc-orig{display:grid;grid-template-columns:150px minmax(0,1fr);gap:16px;align-items:start;padding:14px} .bc-orig img{width:150px;height:auto;border-radius:8px} .bc-pair{grid-template-columns:minmax(0,1fr) auto;align-items:center;margin-bottom:6px} .bc-arts{display:flex;gap:14px;align-items:center;justify-content:flex-end} .bc-side{margin:0} .bc-side img{width:auto;height:150px;max-width:230px;object-fit:contain;border-radius:0} .bc-pair-t .bc-card{margin:0} .bc-tab{table-layout:auto} .bc-go{margin-top:20px} .bc-stack{grid-column:span var(--s);display:flex;flex-direction:column;gap:16px} .bc-stack>.bc-card{flex:1 1 auto} @media (max-width:900px){ .bc-row{grid-template-columns:1fr}.bc-span,.bc-stack{grid-column:auto} .bc-origs{grid-template-columns:1fr} .bc-orig{grid-template-columns:110px minmax(0,1fr);gap:12px}.bc-orig img{width:110px} .bc-sec h2{font-size:24px} .bc-arts{justify-content:center}.bc-side img{height:120px} .bc-hero-art{max-width:300px;margin:0 auto} } .bc-inner{display:flex;flex-direction:column;min-height:100vh}.bc-inner .bc-doc{flex:1 0 auto;width:100%} .bc-doc-body p{break-inside:avoid} .bc-pay{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px} .bc-pay li{flex:0 0 144px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:var(--card);border:1px solid var(--edge);border-radius:8px;padding:12px 8px;min-height:84px} .bc-pay img{display:block;height:22px;width:auto;max-width:130px;object-fit:contain} .bc-pay span{font-size:13.5px;color:#e3e6f3;text-align:center} @media (max-width:900px){.bc-pay li{flex:0 0 calc(50% - 5px)}} .bc-span,.bc-stack{min-width:0} @media (max-width:600px){.bc-row{grid-template-columns:minmax(0,1fr)}.bc-tab th,.bc-tab td{padding:6px 5px;font-size:12.5px;word-break:break-word}.bc-card{padding-left:12px;padding-right:12px}} .bc-btn-secondary{background:transparent;color:var(--gold);border:1px solid var(--edge);min-height:44px;padding:10px 18px} .bc-btn-secondary:hover{background:var(--card)} .bc-dock{gap:10px} .bc-dock .bc-btn{flex:1 1 0;min-width:0;margin:0;width:auto;padding-inline:12px}