:root{--sa-top:env(safe-area-inset-top,0px);--sa-bottom:env(safe-area-inset-bottom,0px);--sa-left:env(safe-area-inset-left,0px);--sa-right:env(safe-area-inset-right,0px);--bk-topbar-h:64px;--bk-bottomnav-h:62px;--bk-rail-w:74px;--bk-rightrail-w:320px}.bk-frame{-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}.bk-topbar,.bk-rail,.bk-rightrail,.bk-mtopbar,.bk-bottomnav{-webkit-user-select:none;user-select:none}.bk-content{min-width:0;padding-top:calc(var(--bk-topbar-h) + var(--sa-top));padding-bottom:calc(var(--bk-bottomnav-h) + var(--sa-bottom))}@media (min-width:1024px){.bk-content{margin-left:var(--bk-rail-w);padding-bottom:40px}}@media (min-width:1280px){.bk-content{margin-right:var(--bk-rightrail-w)}}.bk-topbar{z-index:50;height:var(--bk-topbar-h);background:hsl(var(--brand-h) 32% 7% / .88);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);align-items:center;gap:16px;padding:0 20px;display:flex;position:fixed;top:0;left:0;right:0}:root[data-theme=light] .bk-topbar{background:#ffffffe6}.bk-spacer{flex:1}.bk-coin{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-pill);font-family:var(--display);font-variant-numeric:tabular-nums;color:var(--text);align-items:center;gap:8px;padding:7px 15px 7px 8px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.bk-coin .c{width:24px;height:24px;color:var(--up);place-items:center;display:grid}.bk-btn{cursor:pointer;font-family:var(--body);border-radius:var(--r-sm);white-space:nowrap;border:1px solid #0000;align-items:center;gap:7px;padding:10px 17px;font-size:14px;font-weight:600;text-decoration:none;transition:all .14s;display:inline-flex}.bk-btn-deposit{background:var(--up);color:#052c17}.bk-btn-deposit:hover{filter:brightness(1.06)}.bk-btn-primary{background:var(--brand);color:#fff}.bk-btn-primary:hover{background:var(--brand-600)}.bk-btn-ghost{background:var(--surface-2);border-color:var(--line);color:var(--text-muted)}.bk-iconbtn{background:var(--surface-2);border:1px solid var(--line);width:38px;height:38px;color:var(--text-muted);cursor:pointer;border-radius:11px;place-items:center;display:grid;position:relative}.bk-iconbtn .badge-dot{background:var(--live);border-radius:50%;width:7px;height:7px;position:absolute;top:8px;right:9px}.bk-rail{top:var(--bk-topbar-h);width:var(--bk-rail-w);z-index:40;border-right:1px solid var(--line);background:var(--bg);flex-direction:column;align-items:center;gap:10px;padding:16px 0;display:flex;position:fixed;bottom:0;left:0;overflow-y:auto}.bk-rail a{background:linear-gradient(180deg, var(--brand), var(--brand-700));width:54px;min-height:54px;box-shadow:inset 0 1px 0 #ffffff59, 0 3px 8px var(--brand-glow);color:#eaf2ff;border:1px solid #0000;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:3px;padding:8px 3px;text-decoration:none;transition:all .14s;display:flex;position:relative}.bk-rail a small{color:inherit;font-size:9px;font-weight:600;line-height:1}.bk-rail a.on{background:var(--g-orange);color:#fff;border-color:#0000;box-shadow:inset 0 1px #ffffff73,0 8px 18px #e0561f80}.bk-rail a:hover{filter:brightness(1.06)}.bk-rail .sp{flex:1}.bk-rightrail{top:var(--bk-topbar-h);width:var(--bk-rightrail-w);z-index:40;border-left:1px solid var(--line);background:var(--bg);padding:18px 16px;position:fixed;bottom:0;right:0;overflow-y:auto}.bk-mtopbar{z-index:50;height:calc(var(--bk-topbar-h) + var(--sa-top));padding:var(--sa-top) 14px 0;background:hsl(var(--brand-h) 32% 7% / .92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);align-items:center;gap:12px;display:flex;position:fixed;top:0;left:0;right:0}:root[data-theme=light] .bk-mtopbar{background:#ffffffeb}.bk-hb{width:42px;height:42px;color:var(--text);border:1px solid var(--line-2);background:linear-gradient(#ffffff1a,#ffffff05);border-radius:13px;flex:none;place-items:center;display:grid}:root[data-theme=light] .bk-hb{color:var(--brand);background:linear-gradient(#fff,#eef2f8)}.bk-mlogo{flex:1;justify-content:center;min-width:0;display:flex}.bk-mlogo img{width:auto;height:26px}.bk-bottomnav{z-index:45;height:calc(var(--bk-bottomnav-h) + var(--sa-bottom));padding-bottom:var(--sa-bottom);background:hsl(var(--brand-h) 32% 8% / .96);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid var(--line);position:fixed;bottom:0;left:0;right:0}:root[data-theme=light] .bk-bottomnav{background:#fffffff5}.bk-drawer-backdrop{z-index:60;background:#00000080;position:fixed;inset:0}.bk-drawer{z-index:61;width:min(82vw,320px);padding:calc(var(--sa-top) + 16px) 0 16px;padding-left:var(--sa-left);background:var(--surface);border-right:1px solid var(--line);animation:.18s bk-slide-in;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}@keyframes bk-slide-in{0%{transform:translate(-100%)}to{transform:translate(0)}}