:root {
  --ink: #1c1c1c;
  --muted: #6b6b6b;
  --line: #e6e2db;
  --bg: #fbfaf7;
  --accent: #31506b;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 1.25rem;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC",
        "PingFang SC", "Microsoft YaHei", sans-serif;
}

.site {
  max-width: 640px;
  margin: 0 auto;
  padding: 2.5rem 0 1.25rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: .06em;
}

.site nav a {
  margin-left: 1.25rem;
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
}

.site nav a:hover { color: var(--accent); }

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.lede {
  color: var(--muted);
  margin: 0 0 2.5rem;
}

.posts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.posts li {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.posts li:last-child { border-bottom: 0; }

.posts a {
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.posts a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.posts time {
  display: block;
  margin-top: .35rem;
  font-size: .82rem;
  color: var(--muted);
  letter-spacing: .04em;
}

.posts p {
  margin: .6rem 0 0;
  color: #444;
  font-size: .95rem;
}

article h1 {
  font-size: 1.6rem;
  line-height: 1.4;
  margin: 0 0 .5rem;
  letter-spacing: .01em;
}

article .meta {
  color: var(--muted);
  font-size: .85rem;
  margin-bottom: 2rem;
}

article h2 {
  font-size: 1.1rem;
  margin: 2rem 0 .6rem;
}

article p { margin: 0 0 1.1rem; }

article blockquote {
  margin: 1.5rem 0;
  padding: .25rem 0 .25rem 1rem;
  border-left: 3px solid var(--line);
  color: var(--muted);
}

article code {
  background: #f1eee8;
  padding: .1em .35em;
  border-radius: 3px;
  font-size: .9em;
}

footer {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .82rem;
}

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

@media (max-width: 480px) {
  body { font-size: 16px; }
  .site { padding-top: 1.75rem; }
}