:root {
  --fg: #1a1a1a;
  --fg-2: #6b6b6b;
  --fg-3: #9c9c9c;
  --line: #ebebeb;
  --chip: #f5f5f4;
  --bg: #ffffff;
  --width: 620px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  max-width: var(--width);
  margin: 0 auto;
  padding: 6.5rem 1.5rem 3rem;
}

.intro h1 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
}

.tagline {
  margin: 0.75rem 0 0;
  font-size: 16px;
  color: var(--fg-2);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
}

.tags li {
  font-size: 13px;
  color: var(--fg-2);
  background: var(--chip);
  padding: 3px 12px;
  border-radius: 999px;
}

section {
  margin-top: 3.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

h2 {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--fg-2);
  margin: 0 0 1.1rem;
}

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

.now li {
  margin-bottom: 0.45rem;
}

.now li:last-child { margin-bottom: 0; }

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

.posts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.4rem 0;
}

.posts a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.posts a:hover { border-bottom-color: var(--fg-3); }

.posts time {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--fg-3);
  font-variant-numeric: tabular-nums;
}

footer {
  max-width: var(--width);
  margin: 0 auto;
  padding: 1.75rem 1.5rem 4.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 13px;
  color: var(--fg-3);
}

footer .entry {
  color: var(--fg-3);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  transition: color 0.15s ease;
}

footer .entry:hover { color: var(--fg-2); }

@media (max-width: 480px) {
  main { padding-top: 4.5rem; }
  .intro h1 { font-size: 25px; }
  section { margin-top: 2.75rem; padding-top: 1.75rem; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ededed;
    --fg-2: #a0a0a0;
    --fg-3: #757575;
    --line: #262626;
    --chip: #1c1c1c;
    --bg: #111111;
  }
}