:root {
  color-scheme: dark;
  --bg: #101418;
  --panel: #171e24;
  --text: #edf2f5;
  --muted: #aab6bf;
  --line: #34414b;
  --accent: #b8d7e8;
  --max: 980px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.7 Arial, "Microsoft YaHei", sans-serif;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
header, main, footer { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
header { padding: 26px 0 18px; border-bottom: 1px solid var(--line); }
.brand { color: var(--text); text-decoration: none; font-size: 1.12rem; font-weight: 700; letter-spacing: .03em; }
.brand small { display: block; color: var(--muted); font-size: .78rem; font-weight: 400; letter-spacing: .04em; }
nav { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 18px; }
nav a { color: var(--muted); text-decoration: none; font-size: .94rem; }
nav a[aria-current="page"], nav a:hover { color: var(--text); }
main { padding: 54px 0 72px; min-height: 65vh; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-size: .75rem; }
h1 { font-size: clamp(2.25rem, 6vw, 4.2rem); line-height: 1.08; letter-spacing: -.035em; margin: 12px 0 22px; }
h2 { font-size: 1.45rem; margin: 2.3em 0 .55em; }
h3 { font-size: 1.08rem; margin: 1.5em 0 .35em; }
.lead { color: #d3dde3; font-size: 1.2rem; max-width: 760px; }
p, li { max-width: 780px; }
.muted, .note { color: var(--muted); }
.note { border-left: 2px solid var(--line); padding: 12px 16px; margin: 28px 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 32px 0; }
.card { display: block; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--text); text-decoration: none; }
.card:hover { border-color: var(--accent); }
.card p { color: var(--muted); margin-bottom: 0; }
.status { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; color: var(--muted); font-size: .78rem; }
footer { border-top: 1px solid var(--line); padding: 22px 0 34px; color: var(--muted); font-size: .85rem; }
footer p { margin: 4px 0; }
ul, ol { padding-left: 1.3rem; }
@media (max-width: 600px) {
  header, main, footer { width: min(100% - 28px, var(--max)); }
  main { padding-top: 38px; }
  nav { gap: 10px 16px; }
}