:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #646b73;
  --line: #d8dde3;
  --paper: #f7f5f0;
  --panel: #ffffff;
  --accent: #24695c;
  --accent-soft: #e3f1ed;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.page {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 56px;
}

.page.compact {
  max-width: 680px;
}

.hero {
  padding: 0 0 42px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: 42px;
  line-height: 1.22;
  font-weight: 750;
}

.lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

article,
.note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

article {
  padding: 22px;
}

article span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

h2 {
  margin: 18px 0 10px;
  font-size: 20px;
}

article p,
.note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.note {
  padding: 24px;
}

.note h2 {
  margin-top: 0;
}

.back {
  display: inline-flex;
  margin-top: 28px;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 760px) {
  .page {
    width: min(100% - 28px, 980px);
    padding-top: 48px;
  }

  h1 {
    font-size: 30px;
  }

  .lead {
    font-size: 16px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}