/* Shared public/member navigation; scoped to avoid changing reader and checkout styles. */
.usb-header,.usb-header *{box-sizing:border-box}.usb-header{position:sticky;top:0;z-index:90;display:flex;align-items:center;gap:24px;min-height:104px;padding:14px clamp(20px,2.6vw,64px);width:100%;max-width:none;margin:0;background:#05080ff5;border-bottom:1px solid #c7ddff26;backdrop-filter:blur(20px);color:#edf4ff;font-family:Arial,Helvetica,sans-serif;line-height:1.5}.usb-header a{color:inherit;text-decoration:none}.usb-header button,.usb-header summary{font:inherit}.usb-brand{display:flex;align-items:center;gap:12px;flex:none}.usb-brand img{width:76px;height:52px;object-fit:contain}.usb-brand>span{text-align:center;font-size:12px;font-weight:750;letter-spacing:.19em;line-height:1.55}.usb-brand>span>span{display:block;font-size:11px;letter-spacing:.13em}.usb-navigation{flex:1;min-width:0}.usb-header .main-nav{display:flex;align-items:center;justify-content:center;gap:3px;overflow:visible;padding:0;margin:0;white-space:normal}.usb-nav-group{position:static;flex:none}.usb-nav-trigger{display:flex;align-items:center;gap:7px;min-height:58px;padding:10px 11px;cursor:pointer;list-style:none;border-radius:7px;font-size:14px!important;font-weight:650!important;white-space:nowrap;color:#c9d6e8}.usb-header summary::-webkit-details-marker{display:none}.usb-nav-icon{width:27px;height:27px;flex:none;color:#9dbce3}.usb-chevron{flex:none;transition:transform .15s}.usb-nav-group[open]>.usb-nav-trigger{background:#c2dcff0e;color:#fff}.usb-nav-group[open] .usb-chevron{transform:rotate(180deg)}.usb-header a:focus-visible,.usb-header button:focus-visible,.usb-header summary:focus-visible{outline:2px solid #b6daff;outline-offset:3px}.usb-nav-trigger:hover{background:#c2dcff0c;color:#fff}.usb-header-actions{display:flex;align-items:center;gap:8px;flex:none}.usb-tool{border:0;border-radius:6px;background:transparent;color:#bfcfe3;display:flex;align-items:center;justify-content:center;gap:3px;min-width:42px;min-height:44px;cursor:pointer}.usb-tool .usb-nav-icon{width:22px;height:22px}.usb-tool:hover{background:#c2dcff12}.usb-tool #vault-count{font-size:10px}.usb-enter{display:flex;align-items:center;gap:16px;padding:12px 17px;border:1px solid #9ab9e060;border-radius:5px;font-size:12px;font-weight:650;min-height:44px;white-space:nowrap;background:linear-gradient(130deg,#20324c,#101b2b)}.usb-enter:hover{border-color:#d7e7ff;background:#273b59}.usb-mobile-toggle,.usb-mobile-entry{display:none!important}.usb-mega-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:min(1320px,calc(100vw - 48px));padding:24px;background:#090f19;box-shadow:0 30px 65px #0009;border:1px solid #c2dcff30;border-top:2px solid #9ebde2;border-radius:0 0 12px 12px;max-height:calc(100dvh - 116px);overflow-y:auto;overscroll-behavior:contain;white-space:normal}.usb-mega-layout{display:grid;grid-template-columns:340px 1fr;gap:26px}.usb-mega-feature{display:block;position:relative;overflow:hidden;min-height:270px;border-radius:7px;border:1px solid #a7c4e725;background:#08121e}.usb-mega-feature img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.8}.usb-feature-shade{position:absolute;inset:0;background:linear-gradient(0deg,#050c16 0%,#06101cc7 45%,transparent)}.usb-feature-copy{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:28px 24px 24px;min-height:270px;justify-content:flex-end}.usb-kicker{display:block;font-size:9px;line-height:1.6;letter-spacing:.13em;font-weight:700;color:#a0bce0}.usb-feature-copy>strong{font-size:31px;line-height:1.05;letter-spacing:-.04em;font-weight:500;color:#fff}.usb-feature-copy>span:last-child{font-size:13px;line-height:1.65;color:#c3d0e2}.usb-mega-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-content:center}.usb-mega-link{display:flex;align-items:flex-start;gap:14px;min-height:112px;padding:20px 15px;border-radius:7px;border:1px solid transparent;transition:background .15s,border-color .15s}.usb-mega-link:hover{background:#c8dcff09;border-color:#c8dcff20}.usb-icon-tile{display:flex;align-items:center;justify-content:center;width:44px;height:44px;flex:none;border:1px solid #a3c0e52b;background:linear-gradient(145deg,#22375077,#0c182a);border-radius:9px}.usb-mega-link>span:nth-child(2){flex:1}.usb-mega-link strong{display:block;font-size:16px;font-weight:550;margin:0 0 7px;color:#f2f6ff}.usb-mega-link>span>span{display:block;font-size:12px;line-height:1.65;color:#a8b9ce}.usb-link-arrow{font-size:18px;color:#b9d0ec;flex:none}.usb-mega-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #c8dcff1c;padding:17px 2px 0;margin-top:22px}.usb-mega-foot>span{font-size:10px;color:#91a3bd;line-height:1.6;letter-spacing:.025em}.usb-mega-foot>a,.usb-mega-heading>a{display:flex;align-items:center;gap:15px;font-size:12px;color:#dbe9ff;white-space:nowrap}.usb-mega-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;margin:0 4px 22px}.usb-mega-heading h2{font-size:29px;line-height:1.2;letter-spacing:-.035em;font-weight:500;margin:6px 0 8px;color:#f3f7ff}.usb-mega-heading p{font-size:13px;color:#a7b8cd;margin:0}.usb-rank-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.usb-rank-link{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-width:0;padding:18px 24px 25px;border:1px solid #b4cdec26;border-radius:7px;background:radial-gradient(ellipse at 50% 0%,#34557d3b,transparent 75%),#0b1421}.usb-rank-link:hover{border-color:#b4cdec80;background-color:#122136}.tier-emblem{display:block;width:104px;height:104px;object-fit:contain;filter:drop-shadow(0 4px 12px #0005)}.usb-rank-link .tier-emblem{align-self:center;width:100px;height:100px;margin-bottom:10px}.usb-rank-link>strong{font-size:22px;font-weight:550;letter-spacing:-.02em;color:#fff}.usb-rank-price{font-size:13px;color:#d5e5fb}.usb-rank-link>span:not([class]){font-size:12px;line-height:1.7;color:#9eb1c9}.usb-rank-link>.usb-link-arrow{position:absolute;top:18px;right:18px}.tier>.tier-emblem{width:112px;height:112px;margin:0 0 22px}.tier{scroll-margin-top:130px}.search-panel{position:fixed!important;top:104px!important;z-index:89!important}html{scroll-padding-top:125px}.usb-header~main .page-intro{padding-top:70px}.usb-header~main .exchange-intro{padding-top:40px}
@media(min-width:1900px){.usb-header{gap:42px;min-height:112px}.usb-nav-trigger{font-size:16px!important;padding:13px 17px;gap:9px}.usb-nav-icon{width:30px;height:30px}.usb-brand>span{font-size:14px}.usb-brand>span>span{font-size:13px}.usb-brand img{width:88px;height:58px}.usb-mega-panel{width:min(1560px,calc(100vw - 80px))}.usb-mega-layout{grid-template-columns:390px 1fr}.usb-mega-link{min-height:126px;padding:24px}.usb-mega-link strong{font-size:18px}.usb-mega-link>span>span{font-size:14px}.usb-rank-link>strong{font-size:26px}.usb-rank-link .tier-emblem{width:120px;height:120px}.search-panel{top:112px!important}}
@media(min-width:1181px) and (max-width:1430px){.usb-header{gap:16px;padding-left:24px;padding-right:24px}.usb-brand{gap:7px}.usb-brand img{width:55px;height:44px}.usb-brand>span{font-size:10px}.usb-brand>span>span{font-size:9px}.usb-nav-trigger{font-size:13px!important;padding:10px 7px;gap:6px}.usb-nav-icon{width:25px;height:25px}.usb-header-actions{gap:1px}.usb-enter{padding:10px;font-size:11px;gap:8px}.usb-tool{min-width:34px}}
@media(max-width:1180px){.usb-header{min-height:84px;padding:13px 24px;gap:16px;flex-wrap:nowrap}.usb-brand img{width:64px;height:44px}.usb-navigation{flex:0 0 auto;margin-left:auto}.usb-mobile-toggle{display:flex!important;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:10px 15px;border:1px solid #9bb9de50;border-radius:6px;cursor:pointer;font-size:14px!important;list-style:none}.usb-mobile-toggle>span{font-size:20px}.usb-navigation:not([open])>.main-nav{display:none}.usb-navigation[open]>.main-nav{display:flex;position:absolute;left:0;top:100%;width:100%;max-height:calc(100dvh - 84px);overflow-y:auto;overscroll-behavior:contain;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;padding:10px 24px 24px;background:#070e18;border-bottom:1px solid #c3daff36;box-shadow:0 30px 45px #0009}.usb-nav-trigger{min-height:62px;justify-content:flex-start;font-size:16px!important;padding:14px 10px;gap:14px}.usb-chevron{margin-left:auto}.usb-nav-group{border-bottom:1px solid #bdcfe620}.usb-mega-panel{position:static;width:100%;transform:none;max-height:none;border:0;box-shadow:none;padding:12px 0 22px;background:transparent;overflow:visible}.usb-mega-layout{grid-template-columns:1fr}.usb-mega-feature{display:none}.usb-mega-links{gap:8px}.usb-mega-link{min-height:85px;padding:15px 12px;background:#9cbbdf07}.usb-mega-link strong{font-size:15px}.usb-mega-foot{margin-top:14px}.usb-mega-foot>span{display:none}.usb-mega-heading{display:block;margin:3px 10px 20px}.usb-mega-heading h2{font-size:24px}.usb-mega-heading>a{margin-top:12px}.usb-rank-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.usb-rank-link{padding:18px;min-height:240px}.usb-rank-link .tier-emblem{align-self:flex-start;width:72px;height:72px}.usb-header-actions .usb-enter{display:none}.usb-mobile-entry{display:flex!important;justify-content:space-between;padding:18px;margin-top:20px;border:1px solid #a2c7f75c;border-radius:5px;background:#15253b;font-size:14px}.usb-tool{min-width:38px}.search-panel{top:84px!important}.usb-header~main .page-intro{padding-top:55px}html{scroll-padding-top:105px}}
@media(max-width:560px){.usb-header{padding:12px 16px;gap:8px;min-height:78px}.usb-brand{gap:7px}.usb-brand img{width:52px;height:36px}.usb-brand>span{font-size:10px;letter-spacing:.13em}.usb-brand>span>span{font-size:9px}.usb-mobile-toggle{padding:9px 10px;gap:6px;font-size:12px!important}.usb-tool{min-width:32px;width:32px}.usb-tool .usb-nav-icon{width:20px;height:20px}.usb-header-actions{gap:0}.usb-tool #vault-count{display:none}.usb-navigation[open]>.main-nav{padding:8px 16px 25px;max-height:calc(100dvh - 78px)}.usb-mega-links{grid-template-columns:1fr}.usb-mega-link{min-height:80px}.usb-rank-grid{gap:9px}.usb-rank-link{padding:14px;gap:7px}.usb-rank-link>strong{font-size:19px}.usb-rank-link>span:not([class]){font-size:11px}.usb-kicker{font-size:8px}.usb-mega-heading p{font-size:12px}.usb-mega-foot>a{white-space:normal}.search-panel{top:78px!important}.usb-header~main .page-intro{padding-top:40px}.tier>.tier-emblem{width:96px;height:96px}}
@media(prefers-reduced-motion:reduce){.usb-header *{transition:none!important}}

.usb-nav-trigger.usb-current{color:#fff}.usb-nav-trigger.usb-current>.usb-nav-icon{color:#d4e8ff}
@media(min-width:1181px){.usb-navigation::details-content{content-visibility:visible}.usb-navigation:not([open])>.main-nav{display:flex}}