:root {
  color-scheme: light;
  --ink: #191917;
  --muted: #625f58;
  --accent: #8a3f22;
  --line: #e5e2dc;
  --chip: #f5f4f0;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Noto Serif SC", "Songti SC", "Noto Serif CJK SC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fff; font: 15px/1.75 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .22em; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 3px; }
h1, h2 { font-family: var(--serif); font-weight: 600; line-height: 1.28; margin: 0; }
h1 { font-size: clamp(2.05rem, 4vw, 2.55rem); letter-spacing: -.025em; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1rem; margin: 0 0 .25rem; }
p { margin: 0 0 1rem; }
code { font-size: .91em; background: var(--chip); padding: .12em .32em; border-radius: 4px; }
[id] { scroll-margin-top: 86px; }
.skip-link { position: fixed; z-index: 5; inset: .5rem auto auto .5rem; padding: .6rem .9rem; background: white; transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.topbar {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; gap: 2rem; min-height: 60px;
  padding: .65rem 28px; background: #fff; border-bottom: 1px solid var(--line);
}
.wordmark { display: flex; flex-wrap: wrap; align-items: baseline; gap: .65rem; color: var(--ink); }
.wordmark strong, .footer-brand { font: 700 1.48rem/1.2 var(--serif); }
.wordmark span { color: var(--muted); font-size: .75rem; }
.topbar nav, .footer nav { display: flex; align-items: center; flex-wrap: wrap; gap: 1.4rem; }
.topbar nav a, .top-repo, .footer nav a { color: var(--muted); font-size: .88rem; font-weight: 600; }
.top-repo { margin-left: auto; }
.shell { width: min(1184px, calc(100% - 48px)); margin-inline: auto; }
.hero {
  display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 36px; align-items: center;
  margin-top: 32px; padding: 36px; border-radius: 18px;
  background: radial-gradient(ellipse at 18% 100%, #f2e8dc 0%, transparent 57%),
    radial-gradient(ellipse at 91% 0%, #e3e5ed 0%, transparent 67%), linear-gradient(110deg, #f0eeeb, #f7f6f4);
}
.cover {
  padding: 14px; background: #fbfaf7; border: 1px solid #ded9d1;
  border-radius: 12px; box-shadow: 0 10px 24px #30291f15;
}
.cover-label { display: block; margin: 0 1px 12px; font-size: 9px; font-weight: 700; letter-spacing: .13em; color: #625b54; }
.cover-label span { margin-inline: 2px; color: var(--accent); }
.cover img { display: block; width: 100%; height: auto; border-radius: 8px; background: #182b3b; }
.cover-caption { display: flex; flex-direction: column; padding: 13px 1px 3px; gap: 5px; font: 600 1.15rem/1.2 var(--serif); letter-spacing: .055em; }
.cover-number { margin-left: .13em; color: var(--accent); }
.cover-caption small { font: 700 9px/1.2 var(--sans); color: var(--muted); letter-spacing: .19em; }
.eyebrow { display: flex; align-items: center; gap: .52rem; margin-bottom: .5rem; color: var(--muted); font-size: .76rem; font-weight: 650; letter-spacing: .075em; }
.dot { flex: 0 0 7px; width: 7px; height: 7px; border-radius: 50%; background: #9a5a3b; }
.divider { opacity: .55; }
.subtitle { margin: .35rem 0 .85rem; color: #393630; font-size: 1rem; letter-spacing: .07em; }
.subtitle span { font-size: .88rem; letter-spacing: 0; }
.hero-description { max-width: 570px; margin-bottom: 1.15rem; color: #48443e; }
.platforms { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1.2rem; }
.platform { min-width: 104px; padding: .45rem .75rem; border: 1px solid #e3e0db; border-radius: 9px; background: #fffdf9e8; }
.platform strong, .platform span { display: block; line-height: 1.45; }
.platform strong { font-size: .99rem; }
.platform span { margin-top: 2px; color: var(--muted); font-size: .73rem; }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 42px; padding: .55rem .94rem; border: 1px solid; border-radius: 9px;
  line-height: 1.4; font-size: .9rem; font-weight: 650;
}
.button:hover { text-decoration: none; }
.primary { color: white; background: var(--ink); border-color: var(--ink); }
.primary:hover { background: #393731; border-color: #393731; }
.secondary { color: var(--ink); background: #fff; border-color: #d6d3cb; }
.secondary:hover { background: var(--chip); }
.section { margin-top: 38px; }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .4rem 1.5rem; margin-bottom: .9rem; }
.section-head a { font-size: .88rem; }
.story p { max-width: 780px; color: #47443f; }
.story-lead { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; }
.tags { display: flex; flex-wrap: wrap; gap: .42rem; padding: 0; margin: 0; list-style: none; }
.tags li { padding: .17rem .65rem; border: 1px solid var(--line); border-radius: 6px; background: #faf9f7; color: var(--muted); font-size: .8rem; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; padding: 0; margin: 0; list-style: none; }
.steps li { display: flex; align-items: flex-start; gap: .65rem; padding: .95rem; border: 1px solid var(--line); border-radius: 9px; }
.step-number { font: 700 1.05rem/1.45 var(--serif); color: var(--accent); }
.steps p { margin: 0; color: var(--muted); font-size: .9rem; }
.beta { position: relative; overflow: hidden; padding: 26px 30px; border: 1px solid var(--line); border-radius: 13px; background: #f8f7f4; }
.beta-content { position: relative; z-index: 1; max-width: 710px; }
.beta h2 { margin-bottom: .7rem; }
.beta p { max-width: 650px; }
.beta-mark { position: absolute; inset: 10px 46px auto auto; color: #e8e2d8; font: 10rem/1 var(--serif); pointer-events: none; }
.small, .contact { color: var(--muted); font-size: .875rem; }
.contact { margin: .8rem 0 0; overflow-wrap: anywhere; }
.footer { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 1.2rem; margin-top: 40px; padding: 22px 0 27px; border-top: 1px solid var(--line); }
.footer-brand { color: var(--ink); font-size: 1.22rem; }
.footer p { color: var(--muted); font-size: .8rem; margin: .3rem 0 0; }
.policy { max-width: 760px; padding-top: 42px; padding-bottom: 50px; }
.policy h1 { margin-bottom: .5rem; }
.policy h2 { margin-bottom: .65rem; }
.policy section { margin: 1.6rem 0; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 192px minmax(0, 1fr); gap: 24px; padding: 26px; }
  .cover-caption { font-size: .98rem; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .topbar { min-height: 56px; gap: .85rem; padding-inline: 16px; }
  .wordmark { gap: .35rem; }
  .wordmark strong { font-size: 1.2rem; }
  .wordmark span, .top-repo { display: none; }
  .topbar nav { gap: .7rem; margin-left: auto; }
  .topbar nav a { font-size: .78rem; }
  .shell { width: calc(100% - 28px); }
  .hero { grid-template-columns: 1fr; gap: .95rem; margin-top: 16px; padding: 18px; }
  .cover { width: 83px; padding: 5px; border-radius: 10px; }
  .cover-label, .cover-caption, .beta-mark { display: none; }
  .cover img { border-radius: 6px; }
  .hero-description { font-size: .92rem; }
  .platform { min-width: 0; padding: .38rem .56rem; flex: 1 1 auto; }
  .platform strong { font-size: .9rem; }
  .platform span { font-size: .67rem; }
  .section { margin-top: 29px; }
  .beta { padding: 18px; }
  .footer { margin-top: 28px; }
}
@media (max-width: 345px) {
  .topbar nav { gap: .42rem; }
  .topbar nav a { font-size: .72rem; }
  .topbar { gap: .45rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}