:root{--bg:#04201a;--head:#031712;--panel:#072b23;--card:#0c3a2f;--line:#1c5344;--text:#f5f7f2;--muted:#d5e2da;--accent:#e4d29b;--mint:#e4d29b;--ink:#062018} *{box-sizing:border-box} html{scroll-behavior:smooth;scroll-padding-top:90px} body{margin:0;color:var(--text);background:var(--bg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;overflow-x:hidden} a{color:var(--mint)} img{max-width:100%} h1,h2,h3{font-weight:800;letter-spacing:-.01em;line-height:1.2} .bb-head{position:sticky;top:0;z-index:50;background:var(--head);border-bottom:1px solid var(--line)} .bb-head-in{max-width:1280px;margin:0 auto;padding:8px 20px;display:flex;align-items:center;gap:16px;min-height:68px} .bb-brand{display:flex;align-items:center;flex:none} .bb-brand img{display:block;height:45px;width:60px} .bb-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:0 2px;flex:1;min-width:0} .bb-nav a{color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:600;padding:6px 8px;border-radius:8px;white-space:nowrap} .bb-nav a:hover{color:var(--text);background:#ffffff14} .bb-cta{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:46px;padding:10px 30px;border-radius:10px;background:var(--accent);color:var(--ink);font-weight:800;text-decoration:none;border:0} .bb-cta:hover{filter:brightness(1.06)} .bb-pair{display:flex;flex:none} .bb-head-cta{min-height:42px;padding:8px 20px;white-space:nowrap} .bb-bar,.bb-burger{display:none} .bb-main{max-width:1280px;margin:0 auto;padding:22px 20px 40px} .bb-hero{display:grid;grid-template-columns:minmax(0,1fr) 490px;gap:32px;align-items:center;padding:32px 36px;border-radius:20px;background:linear-gradient(120deg,#0a3a2d 0,#04201a 100%);border:1px solid var(--line)} .bb-hero h1{font-size:44px;margin:0 0 14px;color:#fff} .bb-hero p{color:var(--text);font-size:17px;margin:0 0 16px} .bb-hero .bb-cta-row{margin:8px 0 0;text-align:left} .bb-hero-art{min-width:0} .bb-hero-fig{margin:0} .bb-hero-fig img{display:block;width:100%;height:auto;aspect-ratio:1000/720;border-radius:14px} .bb-sec{margin-top:24px;padding:28px 32px;border-radius:18px;background:var(--panel);border:1px solid var(--line);scroll-margin-top:90px} .bb-sec h2{font-size:26px;margin:0 0 14px;color:var(--text)} .bb-intro{color:var(--muted);margin:0 0 14px} .bb-stack{display:flex;flex-direction:column;gap:14px;min-width:0} .bb-cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:stretch} .bb-cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px} .bb-cards-3>:last-child:nth-child(3n+1){grid-column:1/-1} .bb-cards-3>:last-child:nth-child(3n+2){grid-column:span 2} .bb-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;min-width:0} .bb-card h3{font-size:18px;margin:0 0 8px;color:var(--text)} .bb-card p{margin:0 0 10px;font-size:15px;color:var(--muted)} .bb-card p:last-child{margin-bottom:0} .bb-table{margin:6px 0 12px;width:100%} .bb-table table{border-collapse:collapse;width:100%;table-layout:fixed;font-size:15px;background:var(--card)} .bb-table th,.bb-table td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top;overflow-wrap:anywhere;color:var(--text)} .bb-table th{background:#114a3b} .bb-cta-row{margin:18px 0 0;text-align:center} .bb-rails{display:flex;flex-direction:column;gap:14px;min-width:0;margin:0 0 18px} .bb-games{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0} .bb-game{margin:0;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column} .bb-game picture{display:block} .bb-game picture{padding:10px 10px 0} .bb-game img{display:block;width:100%;max-width:240px;margin:0 auto;height:auto;object-fit:contain;border-radius:10px} .bb-game figcaption{padding:8px 10px;font-size:14px;font-weight:700;text-align:center;line-height:1.3;color:var(--text);flex:1;display:flex;align-items:center;justify-content:center} .bb-split{display:grid;grid-template-columns:minmax(0,1fr) 430px;gap:24px;align-items:center;margin-bottom:14px} .bb-split .bb-intro{margin:0;color:var(--muted)} .bb-art{margin:0} .bb-art img{display:block;width:100%;max-width:430px;height:auto;border-radius:12px} .bb-split-sq{grid-template-columns:minmax(0,1fr) 340px} .bb-methods{list-style:none;margin:0 0 14px;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px} .bb-methods li{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center;font-weight:700} .bb-card code{display:inline-block;background:var(--accent);color:var(--ink);font:800 14px/1.4 ui-monospace,Menlo,monospace;padding:1px 8px;border-radius:6px} .bb-split-app{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);margin-bottom:0} .bb-art-app img{max-width:358px;margin:0 auto;border-radius:0} .bb-foot{border-top:1px solid var(--line);background:var(--head);color:var(--muted);padding:26px 20px 34px;text-align:center} .bb-foot-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin-bottom:12px} .bb-foot-nav a{color:#fff;text-decoration:none;font-size:14px} .bb-foot-nav a:hover{color:var(--accent)} .bb-duty{margin:0;font-size:13px} .bb-age{display:inline-block;border:1px solid var(--accent);color:var(--accent);border-radius:6px;padding:0 6px;margin-right:6px;font-weight:700} .bb-copy{margin:8px 0 0;font-size:12px} .bb-page{max-width:1240px;background:var(--panel);border:1px solid var(--line);border-radius:18px;margin:22px auto 40px;padding:24px 32px 32px} .bb-page h1{font-size:32px;margin:6px 0 18px} .bb-page h2{font-size:20px;margin:26px 0 8px} .bb-page p,.bb-page ul,.bb-page ol{color:var(--muted)} .bb-crumbs{font-size:13px;color:var(--muted)} .bb-crumbs a{color:var(--muted)} @media(max-width:1180px){.bb-nav a{font-size:13px;padding:6px 5px}} @media(max-width:560px){} @media(max-width:900px){ html{scroll-padding-top:0} .bb-sec{scroll-margin-top:66px;padding:20px 16px;margin-top:18px} .bb-head-in{padding:6px 14px;gap:10px;min-height:60px;justify-content:space-between} .bb-burger{display:inline-flex;align-items:center;justify-content:center;min-width:72px;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--text);font:700 15px -apple-system,Arial,sans-serif;cursor:pointer} .bb-open .bb-burger{border-color:var(--accent)} .bb-nav{display:none;position:fixed;left:0;right:0;top:60px;max-height:calc(100vh - 60px);overflow-y:auto;background:var(--head);border-bottom:2px solid var(--accent);flex-direction:column;flex-wrap:nowrap;padding:6px 14px 12px} .bb-open .bb-nav{display:flex} .bb-nav a{font-size:16px;padding:12px 10px;border-bottom:1px solid #ffffff14;border-radius:0;color:var(--text)} .bb-main{padding:14px 14px 30px} .bb-hero{grid-template-columns:1fr;padding:22px 18px;gap:14px} .bb-hero-fig img{max-width:490px;margin:0 auto} .bb-hero h1{font-size:30px} .bb-sec h2{font-size:21px} .bb-cards-2,.bb-cards-3,.bb-split,.bb-split-sq,.bb-split-app{grid-template-columns:1fr} .bb-methods{grid-template-columns:repeat(2,minmax(0,1fr))} .bb-cards-3>:last-child{grid-column:auto!important} .bb-games{grid-template-columns:repeat(3,minmax(0,1fr))} .bb-art-app img{max-width:280px} .bb-page{margin:14px;padding:18px 16px 24px} .bb-page h1{font-size:26px} } @media(max-width:768px){.bb-pair{display:none} .bb-bar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 14px;background:var(--head);border-top:1px solid var(--line)} .bb-bar a{flex:1;min-height:44px} body{padding-bottom:72px}} @media(max-width:560px){.bb-games{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.bb-game figcaption{font-size:12px;padding:6px}} .bb-pay{list-style:none;margin:0 0 10px;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px} .bb-pay li{display:flex;align-items:center;justify-content:center;gap:12px;min-height:64px;padding:10px;background:#fff;border-radius:10px;color:var(--ink);font-weight:700;font-size:15px} .bb-pay img{display:block;height:auto;flex:none} .bb-page-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-top:14px} .bb-page .bb-page-card h2{margin:0 0 8px} .bb-page-card p:last-child,.bb-page-card ul:last-child{margin-bottom:0} .bb-page-card p:first-of-type{margin-top:0} @media(max-width:560px){.bb-pay li{flex-direction:column;gap:6px;font-size:13px;padding:8px 4px}} @media(max-width:560px){.bb-page-card{padding:14px 12px}.bb-page-card th:first-child,.bb-page-card td:first-child{width:36%}.bb-page-card th,.bb-page-card td{padding:8px}} .bb-secondary{background:transparent;color:var(--accent);border:1px solid var(--accent)} .bb-pair{gap:10px} @media(max-width:768px){.bb-bar{gap:10px}.bb-bar a{flex:1 1 0;min-width:0;margin:0}}