:root {
  color-scheme: light dark;
  --bg: #f1f4f2;
  --surface: #ffffff;
  --surface-2: #e7ece9;
  --ink: #111513;
  --ink-soft: #4f5a55;
  --muted: #6d7873;
  --line: #ccd4d0;
  --line-strong: #aab5b0;
  --lime: #d9ff43;
  --lime-ink: #172000;
  --cyan: #27b8c8;
  --coral: #ff6847;
  --dark: #111513;
  --dark-2: #1b211e;
  --white: #f8faf9;
  --header-bg: rgba(241, 244, 242, 0.94);
  --shadow: 0 18px 50px rgba(17, 21, 19, 0.12);
  --radius: 8px;
  --content: 1180px;
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d100f;
    --surface: #171b19;
    --surface-2: #212724;
    --ink: #f2f5f3;
    --ink-soft: #b7c0bc;
    --muted: #929d98;
    --line: #343c38;
    --line-strong: #4c5752;
    --header-bg: rgba(13, 16, 15, 0.94);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
  }
}

:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d100f;
  --surface: #171b19;
  --surface-2: #212724;
  --ink: #f2f5f3;
  --ink-soft: #b7c0bc;
  --muted: #929d98;
  --line: #343c38;
  --line-strong: #4c5752;
  --header-bg: rgba(13, 16, 15, 0.94);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  transition: color 180ms ease, background-color 180ms ease;
}

body.nav-open { overflow: hidden; }

[hidden] { display: none !important; }

img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 14px;
  color: #111513;
  background: var(--lime);
  border-radius: 4px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  height: 76px;
  color: #ffffff;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.solid {
  color: var(--ink);
  background: var(--header-bg);
  border-color: var(--line);
  box-shadow: 0 5px 24px rgba(17, 21, 19, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-shell {
  width: min(var(--content), calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  flex: 0 0 40px;
  border-radius: 8px;
  color: var(--lime-ink);
  background: var(--lime);
  font-size: 19px;
  font-weight: 900;
  line-height: 1;
}

.brand-copy { display: flex; flex-direction: column; line-height: 1; }
.brand-copy strong { font-size: 16px; font-weight: 850; }
.brand-copy small { margin-top: 5px; font-size: 9px; font-weight: 800; letter-spacing: 0.18em; opacity: 0.72; }

.site-nav { display: flex; align-items: center; gap: 4px; }

.nav-link {
  min-width: 62px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  opacity: 0.74;
  transition: opacity 160ms ease, color 160ms ease, background-color 160ms ease;
}

.nav-link:hover { opacity: 1; background: rgba(255, 255, 255, 0.12); }
.site-header.solid .nav-link:hover { background: var(--surface-2); }
.nav-link.active { color: var(--lime-ink); background: var(--lime); opacity: 1; }

.nav-tools { justify-self: end; display: flex; align-items: center; gap: 8px; }

.icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: inherit;
  background: rgba(17, 21, 19, 0.12);
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.icon-button:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-1px); }
.site-header.solid .icon-button { border-color: var(--line); background: var(--surface); }
.site-header.solid .icon-button:hover { background: var(--surface-2); }

.theme-menu { position: relative; }
.theme-trigger { font-size: 20px; }

.theme-popover {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 152px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 0s linear 160ms;
}

.theme-menu.open .theme-popover { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); transition-delay: 0s; }

.theme-option {
  width: 100%;
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 10px;
  border: 0;
  border-radius: 5px;
  color: var(--ink-soft);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font-size: 13px;
}

.theme-option:hover { color: var(--ink); background: var(--surface-2); }
.theme-option.active { color: var(--lime-ink); background: var(--lime); font-weight: 750; }

.nav-toggle { display: none; }
.nav-toggle span { width: 18px; height: 2px; position: absolute; border-radius: 2px; background: currentColor; transition: transform 160ms ease, opacity 160ms ease; }
.nav-toggle span:nth-child(1) { transform: translateY(-6px); }
.nav-toggle span:nth-child(3) { transform: translateY(6px); }
.nav-open .nav-toggle span:nth-child(1) { transform: rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: rotate(-45deg); }

.hero {
  position: relative;
  height: 80svh;
  min-height: 580px;
  max-height: 800px;
  overflow: hidden;
  color: #ffffff;
  background: var(--dark);
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  transform: scale(1.012);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 10, 9, 0.42) 0%, rgba(7, 10, 9, 0.18) 58%, rgba(7, 10, 9, 0.04) 100%),
    linear-gradient(0deg, rgba(7, 10, 9, 0.32) 0%, rgba(7, 10, 9, 0) 58%);
}

.hero-shell,
.section-shell,
.footer-shell {
  width: min(var(--content), calc(100% - 40px));
  margin: 0 auto;
}

.hero-shell { position: relative; height: 100%; display: flex; align-items: flex-end; padding: 140px 0 72px; }
.hero-copy { width: min(680px, 100%); }

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.82); }
.eyebrow span { width: 26px; height: 3px; background: var(--lime); }

.hero h1 {
  margin: 0;
  font-size: 112px;
  line-height: 0.92;
  font-weight: 900;
  letter-spacing: 0;
  text-shadow: 0 3px 24px rgba(0, 0, 0, 0.24);
}

.hero h1 small { display: block; margin-top: 17px; font-size: 17px; line-height: 1; font-weight: 850; letter-spacing: 0.22em; }
.hero-lead { max-width: 650px; margin: 30px 0 0; font-size: 26px; line-height: 1.38; font-weight: 760; }
.hero-detail { max-width: 590px; margin: 12px 0 0; color: rgba(255, 255, 255, 0.75); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 32px; }

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-symbol { font-size: 20px; line-height: 1; }
.button-primary { color: var(--lime-ink); background: var(--lime); box-shadow: 0 12px 30px rgba(217, 255, 67, 0.16); }
.button-primary:hover { background: #e4ff75; }
.button-ghost { color: #ffffff; border-color: rgba(255, 255, 255, 0.42); background: rgba(17, 21, 19, 0.2); }
.button-ghost:hover { border-color: #ffffff; background: rgba(17, 21, 19, 0.44); }
.button-dark { color: #ffffff; background: var(--dark); }
.button-dark:hover { color: var(--lime); background: #000000; }
.button[aria-disabled="true"] { opacity: 0.56; pointer-events: none; }

.version-line { margin: 20px 0 0; display: flex; align-items: center; gap: 9px; color: rgba(255, 255, 255, 0.68); font-size: 12px; font-weight: 700; }
.version-line span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(39, 184, 200, 0.18); }

.hero-scroll {
  position: absolute;
  right: max(20px, calc((100% - var(--content)) / 2));
  bottom: 30px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  font-size: 20px;
  animation: scroll-hint 1.8s ease-in-out infinite;
}

.feature-band { padding: 92px 0 118px; background: var(--bg); }

.section-heading { max-width: 770px; margin-bottom: 50px; }
.section-kicker { color: var(--coral); }
.section-heading h2,
.release-summary h2,
.route-hero h1,
.route-intro h2 {
  margin: 0;
  font-size: 52px;
  line-height: 1.12;
  letter-spacing: 0;
  font-weight: 880;
}
.section-heading > p:last-child { max-width: 620px; margin: 18px 0 0; color: var(--muted); font-size: 18px; }

.feature-list { border-top: 1px solid var(--line-strong); }

.feature-row {
  min-width: 0;
  min-height: 116px;
  display: grid;
  grid-template-columns: 54px 225px minmax(0, 1fr) 118px;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.feature-index { color: var(--coral); font-size: 10px; font-weight: 850; }
.feature-title h3 { margin: 0; font-size: 21px; line-height: 1.25; font-weight: 850; }
.feature-title small { display: block; margin-top: 5px; color: var(--line-strong); font-size: 8px; font-weight: 800; letter-spacing: 0.14em; }
.feature-row > p { max-width: 560px; margin: 0; color: var(--muted); font-size: 14px; }
.feature-meta { justify-self: end; display: inline-flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 10px; font-weight: 750; white-space: nowrap; }
.feature-meta i { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 1px var(--ink); }
.feature-row:hover .feature-title h3 { color: var(--coral); }

.release-band { padding: 112px 0 124px; background: var(--surface); }
.release-layout { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: 92px; align-items: start; }
.release-summary .section-kicker { color: var(--cyan); }
.release-summary h2 { max-width: 480px; }
.release-number { margin-top: 42px; display: flex; align-items: end; gap: 16px; }
.release-number strong { font-size: 42px; line-height: 1; }
.release-number span { padding-bottom: 4px; color: var(--muted); font-size: 12px; font-weight: 750; }
.release-stats { margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.release-stats div { min-width: 0; padding: 18px 12px 18px 0; border-right: 1px solid var(--line); }
.release-stats div + div { padding-left: 16px; }
.release-stats div:last-child { border-right: 0; }
.release-stats dt { color: var(--muted); font-size: 10px; }
.release-stats dd { margin: 5px 0 0; overflow: hidden; font-size: 13px; font-weight: 800; text-overflow: ellipsis; white-space: nowrap; }
#status-word[data-state="ok"] { color: #138d55; }
#status-word[data-state="error"] { color: #d7432e; }
#status-word[data-state="loading"] { color: var(--cyan); }
.release-actions { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.text-button { min-height: 42px; display: inline-flex; align-items: center; gap: 9px; padding: 0; border: 0; color: var(--ink-soft); background: transparent; cursor: pointer; font-size: 12px; font-weight: 750; }
.text-button:hover { color: var(--ink); }
.status-dot { width: 8px; height: 8px; border: 2px solid var(--line-strong); border-radius: 50%; }

.changelog-block { border-top: 3px solid var(--ink); }
.changelog-head { height: 58px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); font-size: 13px; font-weight: 850; }
.changelog-head small { color: var(--muted); font-size: 10px; }
.changelog-list { margin: 0; padding: 0; list-style: none; }
.changelog-list li { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.changelog-list li > span { color: var(--coral); font-size: 10px; font-weight: 850; }
.changelog-list p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }

.route-hero { position: relative; height: 62svh; min-height: 510px; max-height: 660px; overflow: hidden; color: #ffffff; background: var(--dark); }
.route-hero .hero-media { object-position: center 48%; }
.route-hero .hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 10, 9, 0.48) 0%, rgba(7, 10, 9, 0.24) 62%, rgba(7, 10, 9, 0.08) 100%),
    linear-gradient(0deg, rgba(7, 10, 9, 0.38) 0%, rgba(7, 10, 9, 0) 62%);
}
.route-hero-shell { position: relative; height: 100%; display: flex; align-items: flex-end; padding: 140px 0 75px; }
.route-hero-copy { max-width: 750px; }
.route-hero .section-kicker { color: var(--lime); }
.route-hero h1 { color: #ffffff; font-size: 78px; }
.route-hero p:last-child { max-width: 640px; margin: 20px 0 0; color: rgba(255, 255, 255, 0.76); font-size: 19px; }

.route-content { padding: 96px 0 112px; background: var(--bg); }
.route-layout { display: grid; grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr); gap: 86px; align-items: start; }
.route-intro { position: sticky; top: 110px; }
.route-intro .section-kicker { color: var(--coral); }
.route-intro h2 { font-size: 39px; }
.route-intro p { margin: 22px 0 0; color: var(--muted); }
.note-list { margin: 30px 0 0; padding: 0; list-style: none; }
.note-list li { position: relative; padding: 14px 0 14px 21px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; }
.note-list li:last-child { border-bottom: 1px solid var(--line); }
.note-list li::before { content: ""; position: absolute; top: 22px; left: 2px; width: 6px; height: 6px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 1px var(--ink); }

.content-stack { min-width: 0; }
.content-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.content-card-grid.single-column { grid-template-columns: 1fr; }

.content-card {
  min-width: 0;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

a.content-card { transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease; }
a.content-card:hover { transform: translateY(-3px); border-color: var(--ink); box-shadow: var(--shadow); }
.content-card .card-type { margin-bottom: 32px; color: var(--coral); font-size: 10px; font-weight: 850; letter-spacing: 0.1em; }
.content-card h3 { margin: auto 0 0; font-size: 22px; line-height: 1.3; }
.content-card p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }
.content-card .card-action { margin-top: 24px; display: flex; justify-content: space-between; align-items: center; color: var(--ink); font-size: 12px; font-weight: 800; }
.content-card .card-action span:last-child { font-size: 20px; }
.content-empty { margin: 0; padding: 28px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); }

.support-grid .content-card { min-height: 0; padding: 22px; }
.support-grid .content-card h3 { margin: 0; }
.support-grid .content-card p { min-height: 44px; }
.item-value { display: block; margin-top: 14px; padding: 11px; overflow-wrap: anywhere; border: 1px solid var(--line); border-radius: 4px; color: var(--ink-soft); background: var(--surface-2); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; }
.item-image-wrap { position: relative; width: min(240px, 100%); aspect-ratio: 1; margin: 22px auto 0; overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: var(--surface-2); }
.item-image { width: 100%; height: 100%; object-fit: contain; background: #ffffff; }
.item-image-wrap::before { content: ""; position: absolute; top: 50%; left: 50%; width: 22px; height: 22px; margin: -13px 0 0 -13px; border: 2px solid var(--line); border-top-color: var(--cyan); border-radius: 50%; animation: image-loading 800ms linear infinite; }
.item-image.loaded { position: relative; z-index: 1; }
.item-image-wrap.failed::before { content: "图片暂时无法加载"; inset: 0; width: auto; height: auto; margin: 0; display: grid; place-items: center; border: 0; color: var(--muted); font-size: 11px; animation: none; }
.item-hint { display: block; margin-top: 14px; color: var(--muted); font-size: 11px; text-align: center; }

.site-footer { padding: 48px 0; color: #a8b2ad; background: #0b0e0d; }
.footer-shell { display: grid; grid-template-columns: 1fr auto auto; gap: 60px; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 15px; }
.footer-brand p { display: flex; flex-direction: column; margin: 0; }
.footer-brand strong { color: #f1f5f3; font-size: 14px; }
.footer-brand small { margin-top: 4px; font-size: 10px; }
.site-footer nav { display: flex; gap: 26px; font-size: 12px; }
.site-footer a:hover { color: var(--lime); }
.copyright { margin: 0; color: #68736d; font-size: 11px; }

.not-found {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 120px 24px 80px;
  background: var(--surface);
}

.not-found-copy { width: min(100%, 620px); text-align: center; }
.not-found-code { margin: 0 0 10px; color: var(--coral); font-size: 13px; font-weight: 850; }
.not-found h1 { margin: 0; font-size: 56px; line-height: 1.08; }
.not-found-copy > p:not(.not-found-code) { margin: 18px 0 30px; color: var(--ink-soft); }
.not-found .button { min-width: 150px; }

@keyframes scroll-hint { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }
@keyframes image-loading { to { transform: rotate(360deg); } }

@media (max-width: 980px) {
  .release-layout { gap: 52px; }
  .route-layout { gap: 50px; }
  .feature-row { grid-template-columns: 44px 190px minmax(0, 1fr) 100px; gap: 18px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 66px; }
  .site-header { height: 66px; }
  .nav-shell, .hero-shell, .section-shell, .footer-shell { width: min(100% - 28px, var(--content)); }
  .brand-mark { width: 36px; height: 36px; flex-basis: 36px; font-size: 17px; }
  .brand-copy small { display: none; }
  .brand-copy strong { font-size: 15px; }
  .nav-shell { display: flex; justify-content: space-between; }
  .nav-tools { margin-left: auto; }
  .nav-toggle { position: relative; display: grid; }

  .site-nav {
    position: fixed;
    top: 76px;
    right: 14px;
    left: 14px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--ink);
    background: var(--surface);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 160ms ease, transform 160ms ease, visibility 0s linear 160ms;
  }

  .nav-open .site-nav { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); transition-delay: 0s; }
  .nav-link { min-height: 48px; justify-content: flex-start; border-radius: 5px; }
  .nav-link:hover { background: var(--surface-2); }

  .hero { height: 82svh; min-height: 590px; max-height: 720px; }
  .hero-media { object-position: 57% center; }
  .hero-shade {
    background: linear-gradient(0deg, rgba(7, 10, 9, 0.6) 0%, rgba(7, 10, 9, 0.28) 54%, rgba(7, 10, 9, 0.1) 100%);
  }
  .hero-shell { align-items: flex-end; padding: 120px 0 68px; }
  .hero-copy { max-width: 100%; }
  .eyebrow { font-size: 10px; }
  .hero h1 { font-size: 72px; }
  .hero h1 small { margin-top: 13px; font-size: 13px; }
  .hero-lead { max-width: 500px; margin-top: 24px; font-size: 22px; }
  .hero-detail { max-width: 500px; font-size: 14px; }
  .hero-actions { margin-top: 26px; gap: 9px; }
  .button { min-height: 50px; padding: 0 17px; gap: 12px; font-size: 13px; }
  .version-line { margin-top: 16px; }
  .hero-scroll { right: 14px; bottom: 18px; }

  .feature-band { padding: 72px 0 78px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .release-summary h2, .route-intro h2 { font-size: 38px; }
  .section-heading > p:last-child { font-size: 16px; }
  .feature-row { min-height: 0; grid-template-columns: minmax(0, 1fr) auto; gap: 7px 16px; padding: 24px 0; }
  .feature-index { grid-column: 1; grid-row: 1; }
  .feature-meta { grid-column: 2; grid-row: 1; align-self: start; margin-top: 1px; }
  .feature-title { grid-column: 1 / -1; grid-row: 2; }
  .feature-title h3 { font-size: 23px; }
  .feature-row > p { grid-column: 1 / -1; grid-row: 3; margin-top: 4px; }

  .release-band { padding: 76px 0 86px; }
  .release-layout { grid-template-columns: 1fr; gap: 64px; }
  .release-number strong { font-size: 38px; }

  .route-hero { height: 58svh; min-height: 470px; max-height: 570px; }
  .route-hero .hero-media { object-position: 61% center; }
  .route-hero-shell { padding: 120px 0 58px; }
  .route-hero h1 { font-size: 60px; }
  .route-hero p:last-child { font-size: 16px; }
  .route-content { padding: 68px 0 80px; }
  .route-layout { grid-template-columns: 1fr; gap: 48px; }
  .route-intro { position: static; }
  .content-card-grid { grid-template-columns: 1fr; }

  .site-footer { padding: 42px 0; }
  .footer-shell { grid-template-columns: 1fr; gap: 30px; }
  .site-footer nav { flex-wrap: wrap; }
}

@media (max-width: 430px) {
  .hero { height: 80svh; min-height: 585px; }
  .hero-shell { padding-bottom: 62px; }
  .hero h1 { font-size: 66px; }
  .hero-lead { font-size: 20px; }
  .hero-detail { max-width: 340px; font-size: 13px; }
  .hero-actions { width: 100%; }
  .hero-actions .button { flex: 1 1 auto; }
  .hero-scroll { display: none; }
  .section-heading h2, .release-summary h2, .route-intro h2 { font-size: 34px; }
  .release-stats { grid-template-columns: 1fr; }
  .release-stats div, .release-stats div + div { padding: 13px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .release-stats div:last-child { border-bottom: 0; }
  .release-stats dd { white-space: normal; }
  .route-hero h1 { font-size: 54px; }
  .not-found h1 { font-size: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}