:root{--shell-blue:#07182f;--shell-line:rgba(112,184,255,.22);--shell-ink:#edf7ff;--shell-cyan:#62d6ff}
.vt-shell{position:sticky;top:0;z-index:1000;background:rgba(4,17,35,.94);border-bottom:1px solid var(--shell-line);backdrop-filter:blur(14px)}
.vt-shell__inner{max-width:1180px;margin:auto;min-height:68px;padding:0 24px;display:flex;align-items:center;gap:24px}
.vt-shell__brand{display:flex;align-items:center;gap:10px;color:var(--shell-ink);text-decoration:none;font-weight:800;letter-spacing:.08em;white-space:nowrap}.vt-shell__brand img{width:34px;height:34px;object-fit:contain}.vt-shell__brand span{color:var(--shell-cyan)}
.vt-shell__toggle{display:none;margin-left:auto;border:1px solid var(--shell-line);background:#0b2547;color:var(--shell-ink);border-radius:8px;padding:8px 11px;font:inherit}
.vt-shell__nav{margin-left:auto;display:flex;align-items:center;gap:18px}.vt-shell__nav a{color:#c8def1;text-decoration:none;font-size:.92rem;font-weight:650}.vt-shell__nav a:hover,.vt-shell__nav a[aria-current="page"]{color:#fff}.vt-shell__nav .vt-shell__cta{padding:9px 14px;border-radius:8px;background:#1385b9;color:#fff}
.vt-footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:12px}.vt-footer-links a{color:inherit}
@media(max-width:820px){.vt-shell__inner{min-height:62px;padding:0 16px;flex-wrap:wrap}.vt-shell__toggle{display:block}.vt-shell__nav{display:none;width:100%;margin:0;padding:0 0 16px;flex-direction:column;align-items:flex-start;gap:12px}.vt-shell__nav[data-open="true"]{display:flex}.vt-shell__nav .vt-shell__cta{width:100%;text-align:center}}