:root { --site-shell-offset: 94px; }
[data-site-header] { position: sticky; top: 0; z-index: 1000; min-height: 94px; background: #fff; }
[data-site-header][aria-busy="true"], [data-site-footer][aria-busy="true"] { visibility: hidden; }
.site-header { width: 100%; border-bottom: 1px solid #c9c9c9; background: rgba(255, 255, 255, .98); box-shadow: 0 2px 8px rgba(0, 0, 0, .06); font-family: Arial, Helvetica, sans-serif; }
.site-shell__inner { width: min(calc(100% - 22px), 900px); margin: 0 auto; }
.site-header__top { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 13px 12px 0; }
.site-header__brand { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: 29px; font-weight: 400; line-height: 1.2; }
.site-header__brand a, .site-header__brand a:visited { color: #551a8b; text-decoration: none; }
.site-header__place { color: #666; font-size: 12px; white-space: nowrap; }
.site-header__nav { display: flex; flex-wrap: wrap; gap: 0 15px; min-height: 39px; align-items: center; padding: 0 12px; font-size: 13px; }
.site-header__nav a { display: flex; min-height: 44px; align-items: center; color: #0000ee; text-decoration: underline; text-underline-offset: 2px; }
.site-header__nav a[hidden] { display: none; }
.site-header__nav a:visited { color: #551a8b; }
.site-header__nav a:hover { color: #c00; }
.site-header__nav a[aria-current="page"] { color: #111; font-weight: 700; text-decoration-thickness: 2px; }
.site-header a:focus-visible, .site-footer a:focus-visible, .site-back-to-top:focus-visible { outline: 2px solid #000; outline-offset: 2px; }
.site-footer { width: 100%; border-top: 1px solid #c9c9c9; color: #666; background: #fff; font-family: Arial, Helvetica, sans-serif; font-size: 12px; }
.site-footer__content { display: flex; justify-content: space-between; gap: 18px; padding: 12px 12px 22px; }
.site-back-to-top { position: fixed; right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); z-index: 999; min-width: 64px; min-height: 44px; padding: 9px 12px; border: 1px solid #aaa; border-radius: 2px; color: #111; background: rgba(255, 255, 255, .96); box-shadow: 0 2px 8px rgba(0, 0, 0, .12); font: 14px/1.2 Arial, Helvetica, sans-serif; cursor: pointer; }
.site-back-to-top:hover { border-color: #111; background: #f2f2f2; }
.site-back-to-top[hidden] { display: none; }
.site-shell-fallback { display: block; width: min(calc(100% - 46px), 876px); margin: 0 auto; padding: 14px 0; color: #551a8b; font-family: Georgia, "Times New Roman", serif; font-size: 24px; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
html { scroll-padding-top: calc(var(--site-shell-offset) + 12px); }
[id] { scroll-margin-top: calc(var(--site-shell-offset) + 12px); }
@media (max-width: 520px) {
  :root { --site-shell-offset: 88px; }
  [data-site-header] { min-height: 88px; }
  .site-header__top { padding-top: 9px; }
  .site-header__brand { font-size: 24px; }
  .site-header__place { display: none; }
  .site-header__nav { min-height: 44px; gap: 0 12px; font-size: 13px; }
  .site-footer__content { align-items: flex-start; flex-direction: column; gap: 4px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }