@font-face {
  font-family: Geist;
  src: url("/assets/geist-sans.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("/assets/geist-mono.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
:root {
  --ink: #17171c;
  --body: #4f5158;
  --muted: #747680;
  --line: #dddcd8;
  --paper: #fff;
  --soft: #f2f0eb;
  --green: #003c33;
  --green-soft: #e7f0eb;
  --coral: #ffad9b;
  --mono: "Geist Mono", ui-monospace, monospace;
  --sans: Geist, "PingFang SC", "Microsoft YaHei", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
.shell {
  width: min(1180px, 100%);
  margin-inline: auto;
  padding-inline: 32px;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
}
.skip-link:focus {
  transform: none;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(221, 220, 216, 0.86);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}
.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: max-content;
  font-size: 14px;
  font-weight: 520;
  letter-spacing: -0.01em;
}
.logo {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 4px;
  background: var(--ink);
  color: #fff;
  font: 500 18px/1 var(--mono);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}
.main-nav a {
  position: relative;
  padding-block: 24px;
}
.main-nav a:hover,
.main-nav .current {
  color: var(--ink);
}
.main-nav .current:after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--green);
}
.header-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
}
.locale-switch {
  display: flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.locale-switch button {
  padding: 5px 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
}
.locale-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: #fff;
}
.console-link {
  font-size: 14px;
}
.console-link span {
  margin-left: 5px;
}
.hero {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(125deg, #fff 0 64%, #f4f2ed 64%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 92px;
  align-items: end;
  padding-top: 116px;
  padding-bottom: 106px;
}
.eyebrow {
  margin: 0;
  color: var(--muted);
  font: 500 11px/1.2 var(--mono);
  letter-spacing: 0.15em;
}
.hero h1 {
  max-width: 760px;
  margin: 28px 0 0;
  white-space: pre-line;
  font-size: clamp(56px, 7.5vw, 98px);
  font-weight: 390;
  line-height: 0.96;
  letter-spacing: -0.065em;
}
.hero-copy {
  padding-bottom: 6px;
}
.hero-copy > p {
  margin: 0;
  color: var(--body);
  font-size: 17px;
  line-height: 1.75;
}
.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 32px;
  color: var(--green);
  font: 500 12px/1.2 var(--mono);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4a9a72;
  box-shadow: 0 0 0 5px rgba(74, 154, 114, 0.12);
}
.timeline-section {
  padding-block: 96px 128px;
}
.timeline-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 96px;
}
.timeline-intro {
  position: sticky;
  top: 116px;
  align-self: start;
}
.timeline-intro h2 {
  margin: 18px 0 16px;
  font-size: 36px;
  font-weight: 420;
  letter-spacing: -0.04em;
}
.timeline-intro > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
.loading {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 84px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.loading[hidden] {
  display: none;
}
.loading-mark {
  width: 10px;
  height: 10px;
  border: 2px solid var(--line);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.timeline {
  position: relative;
}
.timeline:before {
  content: "";
  position: absolute;
  left: 78px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: var(--line);
}
.year-heading {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  margin: 0;
  padding: 42px 0 16px;
  color: var(--green);
  font: 520 13px/1.2 var(--mono);
  letter-spacing: 0.08em;
}
.year-heading:first-child {
  padding-top: 0;
}
.release {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 24px;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
}
.release:before {
  content: "";
  position: absolute;
  left: 73px;
  top: 35px;
  width: 11px;
  height: 11px;
  border: 3px solid var(--paper);
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 1px var(--green);
}
.release-date {
  padding-top: 2px;
  color: var(--muted);
  font: 400 12px/1.45 var(--mono);
}
.release-date span {
  display: block;
}
.release-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.version {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font: 540 11px/1 var(--mono);
}
.release h3 {
  margin: 18px 0 10px;
  font-size: clamp(25px, 3vw, 34px);
  font-weight: 430;
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.release-summary {
  max-width: 720px;
  margin: 0;
  color: var(--body);
  font-size: 16px;
  line-height: 1.75;
}
.release-details {
  display: grid;
  gap: 9px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  color: var(--body);
  font-size: 14px;
}
.release-details li {
  position: relative;
  padding-left: 18px;
}
.release-details li:before {
  content: "↳";
  position: absolute;
  left: 0;
  color: var(--muted);
  font-family: var(--mono);
}
.release-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 22px;
}
.release-tags span {
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 11px;
}
.empty-state {
  padding: 48px 0;
  border-block: 1px solid var(--line);
  color: var(--muted);
}
.empty-state h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 24px;
  font-weight: 450;
}
.empty-state p {
  margin: 0;
}
.retry-button {
  margin-top: 20px;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
}
.retry-button:hover {
  background: var(--green);
}
.site-footer {
  background: var(--ink);
  color: #fff;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr auto auto;
  gap: 64px;
  align-items: start;
  padding-top: 52px;
  padding-bottom: 52px;
}
.footer-brand .logo {
  background: #fff;
  color: var(--ink);
}
.footer-inner p {
  max-width: 390px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
}
.footer-links {
  display: grid;
  gap: 10px;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
}
.footer-links a:hover {
  color: #fff;
}
.footer-inner .copyright {
  margin: 4px 0 0;
  font-family: var(--mono);
}
:focus-visible {
  outline: 3px solid rgba(76, 110, 230, 0.28);
  outline-offset: 3px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@media (max-width: 900px) {
  .hero {
    background: #fff;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .timeline-grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .timeline-intro {
    position: static;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .footer-inner > div:first-child {
    grid-column: 1/-1;
  }
}
@media (max-width: 680px) {
  .shell {
    padding-inline: 20px;
  }
  .header-inner {
    grid-template-columns: 1fr auto;
    min-height: 64px;
  }
  .main-nav {
    display: none;
  }
  .header-actions {
    gap: 10px;
  }
  .console-link {
    font-size: 0;
  }
  .console-link span {
    font-size: 20px;
  }
  .hero-grid {
    padding-top: 76px;
    padding-bottom: 72px;
  }
  .hero h1 {
    font-size: clamp(52px, 15vw, 72px);
  }
  .timeline-section {
    padding-block: 70px 88px;
  }
  .timeline:before {
    left: 7px;
  }
  .year-heading {
    display: block;
    padding-left: 30px;
  }
  .release {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-left: 30px;
  }
  .release:before {
    left: 2px;
  }
  .release-date span {
    display: inline;
  }
  .release-date span + span:before {
    content: " · ";
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-inner > div:first-child {
    grid-column: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .loading-mark {
    animation: none;
  }
}