:root {
  color-scheme: light;
  --bg: #f5f8fc;
  --text: #20324d;
  --muted: #536780;
  --accent: #1762c4;
  --border: #dce6f3;
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; line-height: 1.6; }
a { color: var(--accent); }
button { font: inherit; cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip-link { position: absolute; left: 16px; top: -100px; padding: 10px 16px; background: white; z-index: 1; }
.skip-link:focus { top: 12px; }
.site-header, .page, .site-footer { width: min(1080px, 100%); margin-inline: auto; padding-inline: 32px; }
.site-header { display: flex; align-items: center; gap: 28px; padding-block: 48px 24px; }
.logo { width: 120px; height: 120px; object-fit: contain; flex-shrink: 0; }
.eyebrow { color: var(--accent); font-size: 14px; font-weight: 600; margin: 0 0 6px; }
h1 { font-size: clamp(24px, 4vw, 34px); line-height: 1.35; margin: 0; }
.intro { margin: 10px 0 0; color: var(--muted); }
.page { flex: 1; }
.menu-status { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; color: var(--muted); font-size: 14px; }
.menu-status p { margin: 0; }
#retryButton { border: 1px solid var(--accent); border-radius: 8px; background: white; color: var(--accent); padding: 6px 14px; }
.category { margin-bottom: 32px; }
h2 { font-size: 18px; margin: 0 0 14px; display: flex; align-items: center; gap: 10px; }
h2::before { content: ''; width: 4px; height: 18px; background: var(--accent); border-radius: 4px; }
.link-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.link-grid li { min-width: 0; }
.link-grid a { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 100%; min-height: 76px; padding: 18px; border: 1px solid var(--border); border-radius: 12px; background: white; text-decoration: none; color: var(--text); overflow-wrap: anywhere; box-shadow: 0 2px 6px rgb(32 50 77 / 3%); transition: border-color .15s, background .15s; }
.link-grid a::after { content: '↗'; color: var(--accent); flex-shrink: 0; }
.link-grid a:hover { border-color: var(--accent); background: #edf4ff; }
.site-footer { padding-block: 24px 32px; text-align: center; color: var(--muted); font-size: 12px; }
.site-footer p { margin: 0 0 8px; }
.admin-entry { color: inherit; text-decoration: none; }
.admin-entry:hover { text-decoration: underline; }
.registration { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 18px; }
.registration a { display: inline-flex; align-items: center; gap: 4px; color: inherit; text-decoration: none; }
.registration a:hover { text-decoration: underline; }
@media (max-width: 760px) { .link-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) {
  .site-header, .page, .site-footer { padding-inline: 20px; }
  .site-header { padding-block: 28px 22px; gap: 16px; align-items: flex-start; }
  .logo { width: 56px; height: 56px; }
  .intro { font-size: 14px; }
  .link-grid { grid-template-columns: 1fr; gap: 10px; }
  .link-grid a { min-height: 60px; padding: 16px; }
}
@media (prefers-reduced-motion: reduce) { .link-grid a { transition: none; } }