:root {
  --paper: #ffffff;
  --paper-raised: #f7f5f6;
  --rule: #ebe7e9;
  --ink: #1d1a1c;
  --ink-muted: #6b666a;
  --ink-faint: #8b8589;
  --brand: #b83e61;
  --brand-soft: #fbeef1;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0d0b0c;
    --paper-raised: #1a1719;
    --rule: #2c282b;
    --ink: #f5f2f4;
    --ink-muted: #a7a1a5;
    --ink-faint: #6f6a6d;
    --brand: #f08ba4;
    --brand-soft: #2c1a20;
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}
.page { max-width: 680px; margin: 0 auto; padding: 32px 20px 56px; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 48px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 17px; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-links { display: flex; gap: 18px; font-size: 15px; }
.nav-links a { color: var(--ink-muted); text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
h1 { font-family: ui-serif, "New York", Georgia, serif; font-weight: 600; font-size: 36px; line-height: 1.2; letter-spacing: -0.01em; margin-bottom: 8px; }
.lede { color: var(--ink-muted); font-size: 18px; margin-bottom: 40px; }
h2 { font-size: 20px; font-weight: 600; margin: 36px 0 10px; }
h3 { font-size: 16px; font-weight: 600; margin: 20px 0 4px; }
p, li { font-size: 16px; color: var(--ink-muted); margin-bottom: 12px; }
strong { color: var(--ink); font-weight: 600; }
ul { padding-left: 20px; }
li { margin-bottom: 8px; }
a { color: var(--brand); }
.card { background: var(--paper-raised); border-radius: 20px; padding: 24px; margin-top: 32px; }
.card h2 { margin-top: 0; }
.summary { background: var(--brand-soft); border-radius: 16px; padding: 18px 20px; margin-bottom: 24px; }
.summary p { color: var(--ink); margin: 0; }
.hero { text-align: center; padding: 24px 0 8px; }
.hero img { width: 112px; height: 112px; border-radius: 26px; margin-bottom: 24px; }
.hero h1 { font-size: 44px; }
.number { font-family: ui-serif, "New York", Georgia, serif; font-size: 1.05em; color: var(--ink); white-space: nowrap; }
.points { list-style: none; padding: 0; margin-top: 8px; }
.points li { border-top: 1px solid var(--rule); padding: 16px 0; margin: 0; }
.footer { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--ink-faint); font-size: 13px; }
.footer p { color: var(--ink-faint); font-size: 13px; margin-bottom: 6px; }
.footer a { color: var(--ink-muted); }
@media (max-width: 480px) {
  .nav { margin-bottom: 36px; }
  .nav-links { gap: 14px; font-size: 14px; }
  h1 { font-size: 30px; }
  .hero h1 { font-size: 36px; }
}