:root{--site-header-bg:#fff;--site-header-text:#334155;--site-header-accent:#2563eb;--site-header-height:64px}
.site-header{position:relative;z-index:20;top:auto;border-bottom:1px solid color-mix(in srgb,var(--site-header-text) 16%,transparent);background:var(--site-header-bg);color:var(--site-header-text);backdrop-filter:none}
.site-header.is-sticky{position:sticky;top:0}
.site-header .top{height:var(--site-header-height)}
.site-header .brand,.site-header .top nav{color:var(--site-header-text)}
.site-header .brand b{background:var(--site-header-accent)}
.site-header .brand strong,.site-header .top nav a:hover,.site-header .top nav a[aria-current="page"]{color:var(--site-header-accent)}
.site-header .browse{border-color:color-mix(in srgb,var(--site-header-text) 20%,transparent);background:transparent;color:var(--site-header-text)}
.site-header .brand-logo{display:block;width:36px;height:36px;border-radius:9px;object-fit:contain}
.site-header.header-style-minimal{box-shadow:none}
.site-header.header-style-minimal .top nav{gap:28px}
.site-header.header-style-classic{box-shadow:0 8px 24px rgba(15,23,42,.07)}
.site-header.header-style-classic .browse{border-color:var(--site-header-accent);background:var(--site-header-accent);color:#fff}
.site-header.header-style-contrast{border-bottom:0;box-shadow:0 8px 28px rgba(15,23,42,.16)}
.site-header.header-style-contrast .browse{border-color:var(--site-header-accent);background:var(--site-header-accent);color:#fff}
.site-header .nav-item{display:flex;align-items:center;height:var(--site-header-height)}.site-header .tools-menu>a,.site-header .tools-dropdown a{text-decoration:none}.site-header .tools-dropdown{position:absolute;top:100%;left:50%;display:grid;width:min(1100px,calc(100vw - 40px));grid-template-columns:repeat(7,minmax(0,1fr));visibility:hidden;transform:translate(-50%,-6px);opacity:0;border:1px solid color-mix(in srgb,var(--site-header-text) 16%,transparent);border-radius:0 0 12px 12px;background:var(--site-header-bg);box-shadow:0 18px 40px rgba(15,23,42,.14);transition:opacity .12s ease,transform .12s ease,visibility .12s;pointer-events:none}.site-header .tools-dropdown a{display:flex;min-height:66px;align-items:center;justify-content:center;padding:12px 9px;color:var(--site-header-text);font-size:12px;font-weight:700;text-align:center}.site-header .tools-dropdown a+a{border-left:1px solid color-mix(in srgb,var(--site-header-text) 12%,transparent)}.site-header .tools-dropdown a:hover,.site-header .tools-dropdown a:focus-visible{background:color-mix(in srgb,var(--site-header-accent) 9%,var(--site-header-bg));color:var(--site-header-accent)}.site-header .tools-menu:hover .tools-dropdown,.site-header .tools-menu:focus-within .tools-dropdown{visibility:visible;transform:translate(-50%,0);opacity:1;pointer-events:auto}
@media(max-width:900px){.site-header .tools-dropdown{display:none}}
@media(max-width:640px){.site-header .brand-logo{width:32px;height:32px}}