:root {
  --bg: #101512;
  --surface: #171e1a;
  --surface-soft: #202923;
  --border: #334139;
  --ink: #f4f0e7;
  --ink-muted: #b7beb8;
  --brand: #71d49b;
  --warning: #f0c87a;
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

header {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 7vw, 46px);
  line-height: 1.2;
}

.meta,
.muted {
  color: var(--ink-muted);
}

.notice {
  margin: 24px 0;
  padding: 16px 18px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--warning);
}

section {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

h2 {
  margin: 0 0 12px;
  font-size: 21px;
}

p,
ul {
  margin: 10px 0;
}

li + li {
  margin-top: 6px;
}

.placeholder {
  color: var(--warning);
  font-weight: 700;
}

a {
  color: var(--brand);
}

footer {
  padding-top: 28px;
  color: var(--ink-muted);
  font-size: 13px;
}