:root {
  color-scheme: light;
  --ink: #203e35;
  --muted: #718278;
  --line: #e0e7df;
  --paper: #f4f6f0;
  --surface: #fcfdf9;
  --green: #214e3c;
  --gold: #efd77b;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--paper); }
body { min-height: 100vh; margin: 0; background: var(--paper); color: var(--ink); font-size: 14px; }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid #be9024; outline-offset: 4px; }
[hidden] { display: none !important; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 10; background: white; padding: 12px; }
.skip:focus { top: 10px; }
.site-header {
  min-height: 90px;
  padding: 18px max(28px, calc((100vw - 1256px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.brand { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 700; white-space: nowrap; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; background: var(--green); color: var(--gold); border-radius: 12px; font-family: Georgia, serif; font-size: 24px; }
.brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; letter-spacing: 1.5px; font-weight: 500; }
.site-nav { display: flex; align-items: center; gap: 30px; color: #6a7c70; }
.site-nav a { padding: 10px 0; }
.site-nav .active { color: var(--green); font-weight: 650; border-bottom: 2px solid var(--green); }
.site-footer { max-width: 1256px; margin: auto; border-top: 1px solid var(--line); padding: 22px 0 32px; display: flex; gap: 16px; justify-content: space-between; font-size: 10px; color: #94a08d; }
.site-footer span:first-child { font-weight: 600; color: #6c7d63; }
@media (max-width: 1000px) { .site-footer { margin: 0 28px; } }
@media (max-width: 720px) {
  .site-header { padding: 16px 20px; min-height: 74px; }
  .brand { font-size: 15px; gap: 8px; }
  .brand-mark { height: 35px; width: 35px; font-size: 21px; }
  .brand small { font-size: 7px; letter-spacing: .8px; }
  .site-nav { font-size: 12px; gap: 15px; }
  .site-footer { margin: 0 18px; flex-wrap: wrap; font-size: 9px; }
  .site-footer span:nth-child(2) { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }