:root {
  --bg: #0b0b0c;
  --panel: #141416;
  --line: #2a2a2e;
  --gold: #c6a15b;
  --gold-soft: #e6d3a3;
  --text: #f3efe6;
  --muted: #9a9488;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(198,161,91,0.18), transparent 60%),
    linear-gradient(180deg, #111113 0%, var(--bg) 40%, #080809 100%);
}
.frame {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 24px 48px;
  text-align: center;
}
.brand .eyebrow {
  letter-spacing: 0.35em;
  font-size: 12px;
  color: var(--gold);
  margin: 0 0 16px;
}
.brand h1 {
  margin: 0;
  font-size: clamp(36px, 8vw, 56px);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gold-soft);
}
.tagline {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  letter-spacing: 0.08em;
}
.card {
  margin: 48px auto 0;
  padding: 28px 24px;
  background: rgba(20,20,22,0.85);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.card p { margin: 0; line-height: 1.8; color: var(--text); font-size: 16px; }
.card .note { margin-top: 14px; color: var(--muted); font-size: 14px; }
footer {
  margin-top: 48px;
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--gold); }