.rt-header{text-align:center;background:#fff;border-radius:14px;padding:22px 20px 18px;margin-bottom:16px;box-shadow:0 2px 10px rgba(13,71,161,.08);position:relative;overflow:hidden}
.rt-header::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,#2196F3,#26c6da,#2196F3)}
.rt-brand{display:inline-block;line-height:0;text-decoration:none}
.rt-logo{height:44px;width:auto}
.rt-tagline{color:#5b6b7c;font-size:13.5px;line-height:1.7;margin:10px auto 0;max-width:620px}
.rt-crumbs{background:transparent;border-radius:0;padding:0;margin:14px 0 0;box-shadow:none}
.rt-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px;margin:0;padding:0;font-size:12.5px;color:#8a99a8}
.rt-crumbs li{display:inline-flex;align-items:center;gap:6px}
.rt-crumbs li+li::before{content:"›";color:#c2ccd6}
.rt-crumbs a{display:inline;padding:0;background:none;border-radius:0;font-size:inherit;color:#1565c0;text-decoration:none}
.rt-crumbs a:hover{text-decoration:underline}
.rt-nav{background:#fff;border-radius:14px;padding:0;margin-bottom:24px;box-shadow:0 2px 10px rgba(13,71,161,.08);overflow:hidden}
.rt-navtoggle{display:flex;align-items:center;gap:10px;width:100%;padding:16px 20px;background:none;border:0;cursor:pointer;font:inherit;font-size:15px;font-weight:700;color:#1565c0;text-align:left}
.rt-navtoggle:hover{background:#f5faff}
.rt-navtoggle-label{flex:1}
.rt-chevron{width:9px;height:9px;border-right:2px solid #90a4ae;border-bottom:2px solid #90a4ae;transform:rotate(45deg);transition:transform .25s ease;margin-right:5px}
#navToggle.collapsed .rt-chevron{transform:rotate(-45deg)}
#navList{display:grid;grid-template-rows:1fr;transition:grid-template-rows .3s ease-out;overflow:hidden}
#navList.collapsed{grid-template-rows:0fr}
#navList>.rt-nav-grid{overflow:hidden;min-height:0}
.rt-nav-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px 24px;padding:2px 20px 20px}
.rt-cat{margin:0}
.rt-cat-title{display:block;margin:0 0 8px;font-size:12.5px;font-weight:700;color:#0d47a1}
.rt-cat-icon{display:inline-block;margin-right:3px;font-size:14px;line-height:1}
.rt-cat-list{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
#navList .rt-cat-link{display:inline-block;padding:5px 11px;border-radius:999px;background:#f1f6fd;border:1px solid #e3eefb;color:#1565c0;font-size:13px;line-height:1.4;text-decoration:none;transition:background .18s,color .18s,border-color .18s,transform .18s}
#navList .rt-cat-link:hover{background:#2196F3;border-color:#2196F3;color:#fff;transform:translateY(-1px)}
#navList .rt-cat-link.is-current{background:#1565c0;border-color:#1565c0;color:#fff;font-weight:600}
@media(max-width:600px){.rt-logo{height:38px}.rt-nav-grid{grid-template-columns:1fr;gap:16px;padding:2px 16px 18px}}