:root {
  color-scheme: light;
  --ink: #34372f;
  --muted: #62665c;
  --paper: #f5f3eb;
  --line: #d6d6c9;
  --accent: #4d654f;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    16px/1.8 system-ui,
    -apple-system,
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}
main {
  max-width: 780px;
  margin: auto;
  padding: 30px 24px 60px;
}
a {
  color: var(--accent);
  text-underline-offset: 3px;
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0 0 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
h1 {
  font-size: 30px;
  line-height: 1.4;
  font-weight: 550;
  margin: 16px 0 10px;
}
h2 {
  font-size: 22px;
  margin-top: 32px;
  font-weight: 550;
}
h3 {
  font-size: 17px;
  margin: 24px 0 4px;
  font-weight: 650;
}
p,
ul,
ol {
  margin: 10px 0 18px;
}
li {
  margin: 5px 0;
}
.meta,
footer {
  font-size: 13px;
  color: var(--muted);
}
section + section {
  border-top: 1px solid var(--line);
  margin-top: 42px;
  padding-top: 22px;
}
footer {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-top: 42px;
}
.contact {
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff55;
}
code {
  word-break: break-word;
  font-size: 0.9em;
}
@media (max-width: 380px) {
  main {
    padding: 20px 18px 40px;
  }
  h1 {
    font-size: 26px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}