:root {
  color-scheme: light dark;
  --bg: #faf9f7;
  --fg: #1a1a1a;
  --fg-soft: #8a8580;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #ededec;
    --fg-soft: #7d7a76;
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", serif;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  padding: 2rem;
}
.brand {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: lowercase;
  color: var(--fg-soft);
  text-decoration: none;
}
.brand[href]:hover { color: var(--fg); }
h1 {
  font-size: clamp(2.4rem, 9vw, 4.2rem);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.12em;
  text-align: center;
}
h1 span {
  display: block;
  animation: rise 1.6s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}
h1 span:nth-child(2) { animation-delay: 0.5s; color: var(--fg-soft); }
.links {
  display: flex;
  align-items: baseline;
  gap: 0.75em;
  font-size: 0.9rem;
}
.links a {
  color: var(--fg);
  text-underline-offset: 0.35em;
  text-decoration-color: color-mix(in srgb, var(--fg-soft) 60%, transparent);
}
.links span { color: var(--fg-soft); }
.lede {
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--fg-soft);
  text-align: center;
}
.back {
  color: var(--fg);
  font-size: 0.85rem;
  text-underline-offset: 0.35em;
  text-decoration-color: color-mix(in srgb, var(--fg-soft) 60%, transparent);
}
:focus-visible { outline: 2px solid var(--fg); outline-offset: 5px; }
::selection { background: var(--fg); color: var(--bg); }
footer {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5em;
  text-align: center;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  line-height: 1.6;
  color: var(--fg-soft);
}
footer a {
  color: inherit;
  text-decoration: none;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(0.6em); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  h1 span { animation: none; }
}