:root {
  color-scheme: light;
  --rice: #f7f3ea;
  --paper: #fffdf7;
  --ink: #1f1e1b;
  --muted: #66625b;
  --pine: #415a4a;
  --line: rgba(31, 30, 27, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--rice);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

.page {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 72px;
}

.hero {
  min-height: 62vh;
  display: grid;
  align-content: center;
  gap: 20px;
}

.eyebrow {
  margin: 0;
  color: var(--pine);
  font-size: 14px;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: "Songti SC", "STSong", Georgia, serif;
  font-size: clamp(48px, 10vw, 92px);
  font-weight: 700;
  line-height: 1.05;
}

.lead {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(22px, 4vw, 34px);
  line-height: 1.35;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

a {
  color: var(--pine);
  text-decoration: none;
}

.actions a,
.back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 600;
}

.panel,
.document {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
}

.document {
  margin-top: 32px;
}

.document h1 {
  margin-top: 28px;
  font-size: clamp(34px, 7vw, 56px);
}

h2 {
  margin: 32px 0 10px;
  font-size: 24px;
  line-height: 1.3;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0;
  padding-left: 22px;
}

.updated {
  color: var(--muted);
  margin-top: 10px;
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 28px, 920px);
    padding-top: 32px;
  }

  .panel,
  .document {
    padding: 22px;
  }
}