:root {
  --bg: #0b0d0f;
  --card: #14171a;
  --line: rgba(255,255,255,0.08);
  --bone: #ecedef;
  --mist: #9499a0;
  --jade: #5cdcbd;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--bone);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 40px 22px 80px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.logo { width: 40px; height: 40px; border-radius: 11px; background: linear-gradient(160deg,#1e2429,#0e1216); border: 1px solid var(--line);
  display: grid; place-items: center; color: var(--jade); font-weight: 800; }
.brand { font-size: 20px; font-weight: 800; letter-spacing: -.3px; }
.brand small { display: block; font-size: 12px; font-weight: 600; color: var(--jade); letter-spacing: 2px; text-transform: uppercase; }
h1 { font-size: 30px; letter-spacing: -1px; margin: 28px 0 4px; }
h2 { font-size: 16px; color: var(--jade); margin: 30px 0 8px; }
p, li { color: #cfd2d6; }
a { color: var(--jade); }
.updated { color: var(--mist); font-size: 13px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; margin-top: 18px; }
.sep { height: 1px; background: var(--line); margin: 36px 0; }
nav { margin-top: 18px; display: flex; gap: 14px; flex-wrap: wrap; }
nav a { text-decoration: none; padding: 8px 14px; border: 1px solid var(--line); border-radius: 12px; }
footer { color: var(--mist); font-size: 13px; margin-top: 44px; }
.lang { color: var(--mist); font-size: 12px; letter-spacing: 1px; text-transform: uppercase; margin-top: 30px; }