.nav-sticky{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(8px);-webkit-backdrop-filter:saturate(180%) blur(8px)}.nav-sticky .wrap{max-width:920px;margin:0 auto;padding:0 24px}header.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}.nav .logo{font-family:Anta,sans-serif;font-size:23px;letter-spacing:.02em;color:var(--primary);text-decoration:none}.nav .logo:hover{text-decoration:none}.nav .logo span{color:var(--text)}.nav-right{display:flex;align-items:center;gap:10px}.nav-links a{color:var(--muted);margin-left:24px;font-size:14px;font-weight:500;text-decoration:none}.nav-links a:hover{color:var(--text);text-decoration:none}.nav-links a.active{color:var(--primary)}.account-link,.download-link,.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;cursor:pointer;text-decoration:none;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--muted)}.account-link:hover,.download-link:hover{text-decoration:none}.account-link:hover,.download-link:hover,.theme-toggle:hover{color:var(--text);border-color:var(--faint,var(--border))}.download-link{margin-left:14px;width:auto;padding:0 13px;gap:7px;font-size:14px;font-weight:600;background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.download-link:hover{background:var(--primary-hi);border-color:var(--primary-hi);color:var(--on-primary)}.download-label{white-space:nowrap}.account-link svg,.download-link svg,.theme-toggle svg{width:18px;height:18px}.i-sun{display:none}:root[data-theme=dark] .i-sun{display:block}:root[data-theme=dark] .i-moon{display:none}.menu-toggle{display:none;align-items:center;justify-content:center;width:36px;height:36px;padding:0;cursor:pointer;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--muted)}.menu-toggle svg{width:18px;height:18px}@media (max-width:760px){.download-link{width:36px;padding:0}.download-label{display:none}.menu-toggle{display:inline-flex}.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 12px 24px var(--shadow,rgba(15,23,42,.12));flex-direction:column;padding:8px 24px 14px}.nav-links a{display:block;margin:0;padding:11px 0;font-size:15px;border-bottom:1px solid var(--border)}.nav-links a:last-child{border-bottom:none}.nav-sticky.menu-open .nav-links{display:flex}}