header.navigation.bt-hdr{position:sticky;top:0;left:auto;z-index:1100;width:100%;height:auto;margin:0;padding:0;border:0;background:var(--bt-surface);font-family:var(--bt-font-head);font-size:15px;font-weight:500;line-height:1.5;letter-spacing:0;color:var(--bt-body)}
.bt-hdr,.bt-hdr *,.bt-hdr *::before,.bt-hdr *::after{box-sizing:border-box}
:where(.bt-hdr) ul{margin:0;padding:0;list-style:none}
:where(.bt-hdr) li{margin:0;padding:0}
:where(.bt-hdr) button{margin:0;padding:0;border:0;background:none;font:inherit;letter-spacing:0;color:inherit;cursor:pointer;-webkit-appearance:none;appearance:none}
:where(.bt-hdr) a{text-decoration:none;color:inherit}
.bt-hdr a:focus-visible,.bt-hdr button:focus-visible{outline:2px solid var(--bt-blue);outline-offset:2px;border-radius:var(--bt-r-sm)}
.bt-hdr .bt-hdr-tab:focus-visible{outline-offset:-2px}
.bt-hdr-panel[hidden],.bt-hdr-scrim{display:none}
.bt-hdr-bar{position:relative;height:calc(var(--bt-hdr-h) + 1px);background:var(--bt-surface);border-bottom:1px solid var(--bt-rule)}
.bt-hdr-in{max-width:var(--bt-wide);height:var(--bt-hdr-h);margin:0 auto;padding:0 var(--bt-gutter);display:flex;align-items:center;justify-content:space-between;gap:16px}
.bt-hdr-logo{flex:none;display:flex;align-items:center;min-height:44px}
.bt-hdr-logo img{display:block;width:auto;height:32px;max-width:none}
.bt-nw{white-space:nowrap}
.bt-hdr-toggle{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid var(--bt-rule);border-radius:var(--bt-r-sm);background:var(--bt-surface);font-size:15px;line-height:1.5;color:var(--bt-ink)}
.bt-hdr-toggle:hover{background:var(--bt-soft)}
.bt-hdr-toggle:active{background:var(--bt-blue-light)}
.bt-hdr-i-close{display:none}
.bt-hdr.is-open .bt-hdr-i-menu{display:none}
.bt-hdr.is-open .bt-hdr-i-close{display:block}
.bt-hdr-chev{flex:none;width:12px;height:12px}
.bt-hdr-tab[aria-expanded="true"] .bt-hdr-chev{transform:rotate(180deg)}
.bt-hdr-ico,.bt-hdr-logo-tile{flex:none;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid var(--bt-rule);border-radius:var(--bt-r-sm);background:var(--bt-surface);color:var(--bt-blue)}
.bt-hdr-ico svg{width:18px;height:18px}
.bt-hdr-ico--mark img,.bt-hdr-logo-tile img{display:block;width:20px;height:20px;object-fit:contain}
.bt-hdr-hub,.bt-hdr-link,.bt-hdr-brk{display:flex;align-items:center;gap:12px;min-height:44px;padding:6px 10px;border-radius:var(--bt-r-sm);font-size:15px;line-height:1.5;color:var(--bt-ink)}
.bt-hdr-hub:hover,.bt-hdr-link:hover,.bt-hdr-brk:hover{background:var(--bt-soft);color:var(--bt-navy)}
.bt-hdr-hub:active,.bt-hdr-link:active,.bt-hdr-brk:active{background:var(--bt-blue-light)}
.bt-hdr-link[aria-current="page"],.bt-hdr-brk[aria-current="page"],.bt-hdr-hub[aria-current="page"]{background:var(--bt-blue-light);color:var(--bt-navy)}
.bt-hdr-hub-t{display:flex;flex-direction:column;min-width:0}
.bt-hdr-hub-h{font-weight:600;color:var(--bt-navy)}
.bt-hdr-hub-s{font-family:var(--bt-font-body);font-weight:400;font-size:13px;line-height:1.5;color:var(--bt-muted)}
.bt-hdr-arr{display:inline-block;width:14px;height:14px;margin-left:6px;vertical-align:-2px;color:var(--bt-blue)}
.bt-hdr-brk-t{min-width:0}
.bt-hdr-brk-s{font-family:var(--bt-font-body);font-weight:400;font-size:14px;color:var(--bt-muted);white-space:nowrap}
@media (min-width:1024px){
  .bt-hdr-logo img{height:36px}
  .bt-hdr-toggle{display:none}
  .bt-hdr-nav{align-self:stretch}
  .bt-hdr-tabs{position:relative;display:flex;height:100%}
  .bt-hdr-item{display:flex}
  .bt-hdr-tab{position:relative;display:flex;align-items:center;gap:4px;height:var(--bt-hdr-h);padding:0 12px;font-size:15px;line-height:1.5;color:var(--bt-body);white-space:nowrap}
  .bt-hdr-tab::after{content:"";position:absolute;left:12px;right:12px;bottom:12px;height:2px;border-radius:1px;background:var(--bt-blue);transform:scaleX(0);transform-origin:left center}
  .bt-hdr-tab:hover,.bt-hdr-tab[aria-expanded="true"]{color:var(--bt-navy)}
  .bt-hdr-tab:hover::after,.bt-hdr-tab[aria-expanded="true"]::after,.bt-hdr-item[data-current]>.bt-hdr-tab::after{transform:scaleX(1)}
  .bt-hdr-item[data-current]>.bt-hdr-tab{color:var(--bt-blue)}
  .bt-hdr-tab:active{color:var(--bt-blue-dark)}
  .bt-hdr-panel{position:absolute;right:0;top:100%;z-index:30;padding-top:4px}
  .bt-hdr-pin{display:grid;gap:2px 8px;align-items:start;max-height:calc(100vh - var(--bt-hdr-h) - 24px);overflow-y:auto;padding:8px;background:var(--bt-surface);border:1px solid var(--bt-rule);border-radius:var(--bt-r-sm);box-shadow:var(--bt-shadow-lg);transform-origin:top right;scrollbar-width:thin;scrollbar-color:var(--bt-scroll-thumb) transparent}
  .bt-hdr-pin--rank{width:760px;grid-template-columns:repeat(3,minmax(0,1fr))}
  .bt-hdr-pin--guide{width:560px;grid-template-columns:repeat(2,minmax(0,1fr))}
  .bt-hdr-pin--rev{width:440px;grid-template-columns:minmax(0,1fr)}
  .bt-hdr-pin--about{width:320px;grid-template-columns:minmax(0,1fr)}
  .bt-hdr-hub{grid-column:1 / -1;margin-bottom:6px;padding-bottom:10px;border-bottom:1px solid var(--bt-rule);border-radius:var(--bt-r-sm) var(--bt-r-sm) 0 0}
  .bt-hdr-col{display:flex;flex-direction:column;gap:2px;min-width:0}
  .bt-hdr-brokers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 8px}
}
@media (min-width:1024px) and (max-width:1100px){
  .bt-hdr-tab{padding:0 9px}
  .bt-hdr-tab::after{left:9px;right:9px}
}
@media (max-width:1023px){
  .bt-hdr-nav{display:none;position:fixed;left:0;right:0;top:calc(var(--bt-hdr-h) + 1px);bottom:0;overflow-y:auto;overscroll-behavior:contain;background:var(--bt-surface);padding:4px var(--bt-gutter) 24px;scrollbar-width:thin;scrollbar-color:var(--bt-scroll-thumb) transparent}
  .bt-hdr.is-open .bt-hdr-nav{display:block}
  .bt-hdr-tabs{display:block;max-width:var(--bt-wide);margin:0 auto}
  .bt-hdr-item{display:block;border-bottom:1px solid var(--bt-rule)}
  .bt-hdr-tab{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:56px;padding:8px 0;font-size:16px;line-height:1.5;text-align:left;color:var(--bt-ink)}
  .bt-hdr .bt-hdr-tab:focus-visible{outline-offset:2px}
  .bt-hdr-item[data-current]>.bt-hdr-tab{color:var(--bt-blue)}
  .bt-hdr-tab:active{color:var(--bt-blue-dark)}
  .bt-hdr-panel{padding:0 0 12px}
  .bt-hdr-hub,.bt-hdr-link,.bt-hdr-brk{min-height:48px;padding:6px 8px;font-size:16px}
  .bt-hdr-hub{background:var(--bt-soft);border:1px solid var(--bt-rule);border-radius:var(--bt-r-sm);padding:8px 10px}
  .bt-hdr-col,.bt-hdr-brokers{margin-top:6px}
  .bt-hdr-col+.bt-hdr-col{margin-top:6px;padding-top:6px;border-top:1px solid var(--bt-rule)}
  .bt-hdr-brokers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 8px}
}
@media (prefers-reduced-motion:no-preference){
  .bt-hdr-toggle,.bt-hdr-hub,.bt-hdr-link,.bt-hdr-brk,.bt-hdr-tab{transition:background-color .15s var(--bt-ease),color .15s var(--bt-ease)}
  .bt-hdr-chev,.bt-hdr-tab::after{transition:transform .2s var(--bt-ease)}
}
@media (min-width:1024px) and (prefers-reduced-motion:no-preference){
  .bt-hdr-pin{transition:opacity .15s var(--bt-ease),transform .15s var(--bt-ease)}
  @starting-style{
    .bt-hdr-panel:not([hidden]) .bt-hdr-pin{opacity:0;transform:translateY(-4px) scale(.98)}
  }
}
html.bt-hdr-lock{overflow:hidden}
html.bt-hdr-lock body{overflow:visible}
@media (scripting:none){
  .bt-hdr-item:hover>.bt-hdr-panel[hidden],.bt-hdr-item:focus-within>.bt-hdr-panel[hidden]{display:block}
}
@media (scripting:none) and (max-width:1023px){
  header.navigation.bt-hdr{position:static}
  .bt-hdr-bar,.bt-hdr-in{height:auto}
  .bt-hdr-in{flex-wrap:wrap;gap:0}
  .bt-hdr-logo{min-height:var(--bt-hdr-h)}
  .bt-hdr-toggle,.bt-hdr-tab,.bt-hdr-col,.bt-hdr-brokers,.bt-hdr-hub-s{display:none}
  .bt-hdr-nav{display:block;position:static;flex:0 0 100%;overflow:visible;padding:0 0 8px}
  .bt-hdr-item{border-bottom:0}
  .bt-hdr-panel[hidden]{display:block}
  .bt-hdr-panel{padding:0 0 6px}
}