/* Hallmark · component: announcement banner + QR dialog · genre: atmospheric · theme: Terminal · anchor: phosphor-cyan
 * pre-emit critique: P5 H5 E5 S5 R5 V5 · states: default · hover · focus · active · disabled · loading · error · success
 * contrast: pass (40–41) · tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 49, 50–57)
 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 · macrostructure: Workbench · genre: atmospheric · theme: Terminal · anchor: phosphor-cyan · enrichment: real product captures + living data rain + scroll signals · nav: N8 · footer: Ft5 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 49, 50–57) */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
}

html {
  scroll-behavior: smooth;
  scroll-padding-block-start: calc(var(--nav-height) + var(--space-lg));
}

body {
  min-width: 20rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: var(--z-raised);
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-transparent) 0,
    var(--color-transparent) 3px,
    color-mix(in oklch, var(--color-overlay) 42%, var(--color-transparent)) 4px
  );
  opacity: 0.28;
}

main,
.beta-announcement,
.terminal-nav,
.footer {
  position: relative;
  z-index: var(--z-raised);
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

button,
input,
summary {
  font: inherit;
}

button,
summary {
  color: inherit;
}

button {
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3,
dl,
dd,
figure,
fieldset {
  margin: 0;
}

h1,
h2,
h3 {
  font-style: normal;
  overflow-wrap: anywhere;
  min-width: 0;
}

h1,
h2 {
  font-family: var(--font-display);
  letter-spacing: -0.035em;
}

h1 {
  max-width: 12em;
  font-size: var(--text-display-s);
  font-weight: 700;
  line-height: 1.06;
}

h2 {
  max-width: 18ch;
  font-size: clamp(var(--text-xl), 5vw, var(--text-3xl));
  font-weight: 700;
  line-height: 1.12;
}

h3 {
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.35;
}

::selection {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-shell {
  width: min(100%, var(--content-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.data-rain {
  pointer-events: none;
}

.release-notices {
  max-width: 60rem;
  display: grid;
  gap: var(--space-xs);
  padding-block: var(--space-md) 0;
}

.release-notices[hidden],
.release-notice[hidden] {
  display: none;
}

.release-notice {
  --notice-accent: var(--color-accent);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: var(--rule-hair) solid color-mix(in oklch, var(--notice-accent) 30%, var(--color-rule));
  border-inline-start: 3px solid var(--notice-accent);
  border-radius: var(--radius-sm);
  background: color-mix(in oklch, var(--notice-accent) 8%, var(--color-paper-2));
}

.release-notice--beta {
  --notice-accent: var(--color-signal-strong);
}

.release-notice__copy {
  flex: 1;
  min-width: 0;
}

.release-notice__label {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-block-end: var(--space-2xs);
  color: var(--notice-accent);
  font-size: var(--text-xs);
  font-weight: 500;
}

.release-notice__label span {
  font-family: var(--font-utility);
}

.release-notice__message {
  margin-block-start: var(--space-2xs);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.release-notice__dismiss {
  flex-shrink: 0;
  min-height: 36px;
  padding: var(--space-2xs) var(--space-sm);
  border: var(--rule-hair) solid color-mix(in oklch, var(--notice-accent) 50%, var(--color-rule));
  border-radius: var(--radius-xs);
  background: color-mix(in oklch, var(--notice-accent) 12%, var(--color-paper-2));
  color: var(--notice-accent);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: background var(--dur-micro), color var(--dur-micro);
}

.release-notice__dismiss:hover {
  background: var(--notice-accent);
  color: var(--color-accent-ink);
}

.release-notice__dismiss:focus-visible {
  outline: 2px solid var(--notice-accent);
  outline-offset: 4px;
}

.release-notice__dismiss:active {
  opacity: 0.8;
}

.release-notice__short { display: none; }

@media (max-width: 40rem) {
  .release-notices {
    width: calc(100% - 3rem);
    max-width: 24rem;
    padding-inline: 0;
    padding-block-start: var(--space-sm);
    gap: 6px;
  }

  .release-notice {
    align-items: center;
    flex-direction: row;
    gap: var(--space-xs);
    padding: var(--space-xs) 10px;
  }

  .release-notice__label { gap: 6px; font-size: 10px; }
  .release-notice__message { font-size: 12px; line-height: 1.6; }
  .release-notice__full { display: none; }
  .release-notice__short { display: inline; }

  .release-notice__dismiss {
    min-height: 44px;
    padding-inline: 6px;
    font-size: 11px;
    white-space: nowrap;
    border-color: transparent;
    background: transparent;
  }
  .release-notice__dismiss span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .release-notice__dismiss { transition: none; }
}

.data-rain--page {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-base);
  opacity: 0.78;
}

.beta-announcement {
  isolation: isolate;
  color: var(--color-announcement-ink);
  font-family: "JetBrains Mono", "Noto Sans SC", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  background:
    linear-gradient(90deg, var(--color-announcement-strong), var(--color-announcement), var(--color-paper-3));
  border-block: var(--rule-hair) solid color-mix(in oklch, var(--color-accent) 54%, var(--color-rule));
  box-shadow: 0 var(--rule-medium) 0 color-mix(in oklch, var(--color-accent) 34%, var(--color-transparent));
}

.motion-ready .beta-announcement {
  animation: banner-descend var(--dur-long) var(--ease-out) 150ms backwards;
}

.motion-ready .beta-announcement.is-dismissed {
  animation: banner-ascend var(--dur-short) var(--ease-in) forwards;
}

@keyframes banner-descend {
  from {
    opacity: 0;
    transform: translateY(-0.75rem);
  }
}

@keyframes banner-ascend {
  to {
    opacity: 0;
    transform: translateY(-0.75rem);
  }
}

.beta-announcement::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.07;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 2px,
    var(--color-overlay) 2px 3px
  );
}

.beta-announcement::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    transparent 30%,
    color-mix(in oklch, white 16%, transparent) 46%,
    color-mix(in oklch, var(--color-accent-strong) 20%, transparent) 54%,
    transparent 70%
  );
  transform: translateX(-60%) skewX(-8deg);
}

.motion-ready .beta-announcement::before {
  animation: banner-sheen 14s var(--ease-in-out) 1s infinite;
}

@keyframes banner-sheen {
  0% {
    opacity: 0;
    transform: translateX(-60%) skewX(-8deg);
    animation-timing-function: var(--ease-out);
  }
  4% {
    opacity: 0.55;
  }
  9% {
    opacity: 0.25;
  }
  14%, 100% {
    opacity: 0;
    transform: translateX(60%) skewX(-8deg);
  }
}

.beta-announcement__inner {
  --banner-pad-block: var(--space-xs);
  --banner-pad-end: calc(var(--page-gutter) + 2.5rem);
  position: relative;
  width: min(100%, var(--content-max));
  min-height: 3rem;
  margin-inline: auto;
  padding: var(--banner-pad-block) var(--banner-pad-end) var(--banner-pad-block) var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: center;
}

.beta-announcement__divider {
  margin-inline: 0.45rem 0.4rem;
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: color-mix(in oklch, var(--color-announcement-ink) 46%, var(--color-transparent));
  user-select: none;
}

.beta-announcement__channel {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  white-space: nowrap;
  vertical-align: baseline;
}

.beta-announcement__channel i {
  width: var(--space-xs);
  height: var(--space-xs);
  background: var(--color-signal-strong);
  box-shadow: 0 0 var(--space-sm) color-mix(in oklch, var(--color-signal) 70%, var(--color-transparent));
}

.motion-ready .beta-announcement__channel i {
  animation: beacon-pulse 2.8s var(--ease-in-out) infinite;
}

@keyframes beacon-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 var(--space-sm) color-mix(in oklch, var(--color-signal) 70%, var(--color-transparent));
  }
  50% {
    opacity: 0.72;
    box-shadow: 0 0 var(--space-md) color-mix(in oklch, var(--color-signal) 40%, var(--color-transparent));
  }
}

.beta-announcement p {
  min-width: 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  text-align: center;
}

.beta-announcement p strong,
.beta-announcement__group {
  color: var(--color-ink);
}

.beta-announcement__copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  column-gap: var(--space-sm);
  row-gap: var(--space-2xs);
}

.beta-announcement__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-sm);
}

.beta-announcement p.beta-announcement__cta {
  padding-inline-start: 0;
  text-indent: 0;
}

.beta-announcement__group {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.1rem 0.45rem;
  color: var(--color-ink);
  font-family: var(--font-utility);
  font-size: inherit;
  font-weight: 600;
  line-height: inherit;
  letter-spacing: 0.02em;
  white-space: nowrap;
  cursor: pointer;
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-accent) 42%, var(--color-rule));
  background: color-mix(in oklch, var(--color-announcement-strong) 40%, var(--color-transparent));
  transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.beta-announcement__group:active {
  transform: translateY(var(--rule-hair));
}

.beta-announcement__group:focus-visible {
  outline: var(--rule-medium) solid var(--color-focus);
  outline-offset: 2px;
}

.beta-announcement__gtag {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-signal-strong);
}

.beta-announcement__gtag--dim {
  color: color-mix(in oklch, var(--color-announcement-ink) 68%, var(--color-transparent));
}

.beta-announcement__link {
  min-height: 2rem;
  margin: 0;
  padding: 0;
  display: inline-flex;
  align-items: center;
  color: var(--color-accent-strong);
  background: var(--color-transparent);
  font-weight: 700;
  line-height: inherit;
  text-decoration: underline;
  text-decoration-color: currentColor;
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: 0.28em;
  white-space: nowrap;
  cursor: pointer;
}

.beta-announcement__link:active,
.beta-announcement__link.is-active {
  transform: translateY(var(--rule-hair));
}

.beta-announcement__link.is-focus {
  outline: var(--rule-medium) solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

.beta-announcement__link[aria-disabled="true"],
.beta-announcement__link:disabled,
.beta-announcement__link[data-state="disabled"] {
  color: var(--color-faint);
  opacity: 0.62;
  cursor: not-allowed;
}

.beta-announcement__link[data-state="loading"] {
  color: var(--color-muted);
  cursor: wait;
}

.beta-announcement__link[data-state="error"] {
  color: var(--color-state-error);
}

.beta-announcement__link[data-state="success"] {
  color: var(--color-state-success);
}

.beta-announcement__close {
  position: absolute;
  inset-block: 0;
  inset-inline-end: var(--page-gutter);
  width: 1.75rem;
  height: 1.75rem;
  margin: auto;
  display: grid;
  place-items: center;
  color: color-mix(in oklch, var(--color-announcement-ink) 72%, var(--color-transparent));
  background: color-mix(in oklch, var(--color-announcement-strong) 30%, var(--color-transparent));
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-announcement-ink) 28%, var(--color-transparent));
  font-family: var(--font-utility);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: color 120ms ease, background-color 120ms ease, border-color 120ms ease;
}

.beta-announcement__close span {
  transform: translateY(-0.05em);
  transition: transform var(--dur-micro) var(--ease-out);
}

.group-qr-dialog {
  width: min(calc(100% - (var(--space-md) * 2)), 45rem);
  max-height: calc(100dvh - (var(--space-md) * 2));
  overflow-y: auto;
  overscroll-behavior: contain;
  margin: auto;
  padding: 0;
  color: var(--color-ink);
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule-strong);
  box-shadow:
    0 0 0 var(--rule-hair) color-mix(in oklch, var(--color-accent) 18%, var(--color-transparent)),
    0 var(--space-lg) var(--space-3xl) color-mix(in oklch, var(--color-overlay) 76%, var(--color-transparent));
  overflow: auto;
}

.group-qr-dialog::backdrop {
  background: color-mix(in oklch, var(--color-overlay) 82%, var(--color-transparent));
  backdrop-filter: blur(var(--space-xs));
}

.group-qr-dialog__panel {
  padding: var(--space-lg);
}

.group-qr-dialog__panel:focus {
  outline: none;
}

.group-qr-dialog__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block-end: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.group-qr-dialog__header span,
.group-qr-dialog__note {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
}

.group-qr-dialog__header > div > span {
  color: var(--color-accent);
}

.group-qr-dialog__header h2 {
  margin-block-start: var(--space-2xs);
  font-size: var(--text-xl);
}

.group-qr-dialog__close {
  flex: 0 0 auto;
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  color: var(--color-muted);
  background: var(--color-paper-3);
  border: var(--rule-hair) solid var(--color-rule);
  cursor: pointer;
}

.group-qr-dialog__close span {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  line-height: 1;
}

.group-qr-dialog__close:active {
  transform: translateY(var(--rule-hair));
}

.group-qr-dialog__grid {
  margin-block-start: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md) var(--space-lg);
}

.group-qr-dialog__figure {
  margin: 0;
  display: grid;
  gap: var(--space-md);
}

.group-qr-dialog__figure img {
  width: min(100%, 20rem);
  height: auto;
  margin-inline: auto;
  background: var(--color-ink);
  border: var(--space-xs) solid var(--color-ink);
}

.group-qr-dialog__figure[hidden] {
  display: none;
}

.group-qr-dialog__grid.is-single {
  grid-template-columns: minmax(0, 1fr);
}

.group-qr-dialog__figure figcaption {
  display: grid;
  gap: var(--space-2xs);
  text-align: center;
}

.group-qr-dialog__figure figcaption strong {
  font-family: var(--font-utility);
  color: var(--color-accent-strong);
}

.group-qr-dialog__figure figcaption span {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.group-qr-dialog__note {
  margin-block-start: var(--space-lg);
  padding-block-start: var(--space-md);
  color: var(--color-muted);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  text-align: center;
}

.group-qr-dialog__note span {
  color: var(--color-signal);
}

.terminal-nav {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  min-height: var(--nav-height);
  background: var(--color-paper);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.terminal-nav::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  inset-block-end: -1px;
  height: var(--rule-medium);
  background: var(--color-accent);
  box-shadow: 0 0 0.8rem color-mix(in oklch, var(--color-accent) 70%, var(--color-transparent));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: left center;
  will-change: transform;
}

.terminal-nav__inner {
  width: min(100%, var(--content-max));
  min-height: var(--nav-height);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.terminal-brand,
.terminal-nav__commands,
.terminal-nav__mobile {
  font-family: var(--font-utility);
  font-size: var(--text-sm);
}

.terminal-brand,
.terminal-nav__commands a,
.terminal-nav__mobile a,
.terminal-nav__mobile summary {
  white-space: nowrap;
}

.terminal-brand {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-ink-soft);
  letter-spacing: -0.02em;
}

.terminal-brand > span {
  color: var(--color-signal);
}

.terminal-nav__commands {
  display: none;
  align-items: center;
  gap: var(--space-lg);
  color: var(--color-muted);
}

.terminal-nav__commands a,
.terminal-nav__mobile a,
.text-link,
.footer a {
  text-decoration: underline;
  text-decoration-color: var(--color-rule-strong);
  text-underline-offset: 0.28em;
  text-decoration-thickness: var(--rule-hair);
}

.terminal-nav__mobile {
  position: relative;
}

.terminal-nav__mobile summary {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  list-style: none;
  color: var(--color-accent);
}

.terminal-nav__mobile summary::-webkit-details-marker {
  display: none;
}

.terminal-nav__mobile[open] nav {
  position: absolute;
  inset-block-start: calc(100% + var(--space-xs));
  inset-inline-end: 0;
  min-width: 12.5rem;
  padding: var(--space-sm);
  display: grid;
  gap: var(--space-2xs);
  background: var(--color-paper-3);
  border: var(--rule-hair) solid var(--color-rule-strong);
}

.terminal-nav__mobile nav a {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  padding-inline: var(--space-sm);
}

.terminal-caret {
  color: var(--color-accent);
  animation: caret-blink 1.05s steps(2) infinite;
}

@keyframes caret-blink {
  50% { opacity: 0; }
}

@property --dot-mx {
  syntax: "<length>";
  inherits: true;
  initial-value: -9999px;
}

@property --dot-my {
  syntax: "<length>";
  inherits: true;
  initial-value: -9999px;
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(38rem, 78svh, 52rem);
  padding-block: var(--space-lg) var(--space-xl);
  display: grid;
  align-items: center;
  background:
    radial-gradient(circle at 82% 28%, color-mix(in oklch, var(--color-accent) 10%, var(--color-transparent)) 0, var(--color-transparent) 34rem),
    linear-gradient(135deg, color-mix(in oklch, var(--color-paper) 68%, var(--color-transparent)), color-mix(in oklch, var(--color-paper-2) 62%, var(--color-transparent)));
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.hero::before {
  top: -36rem;
  left: -55rem;
  width: 380rem;
  height: 108rem;
  background-image:
    radial-gradient(38rem 16rem at 10% 30%, color-mix(in oklch, var(--color-accent) 26%, var(--color-transparent)), var(--color-transparent) 70%),
    radial-gradient(30rem 13rem at 36% 64%, color-mix(in oklch, white 13%, var(--color-transparent)), var(--color-transparent) 70%),
    radial-gradient(34rem 14rem at 62% 26%, color-mix(in oklch, var(--color-accent) 15%, var(--color-transparent)), var(--color-transparent) 72%),
    radial-gradient(26rem 11rem at 88% 56%, color-mix(in oklch, var(--color-accent) 22%, var(--color-transparent)), var(--color-transparent) 72%);
  background-size: 190rem 108rem;
  background-repeat: repeat-x;
  border-radius: 50%;
  filter: blur(3rem);
  opacity: 0.85;
  will-change: transform;
}

.hero::after {
  inset: 0;
  background-image: radial-gradient(circle at center, color-mix(in oklch, var(--color-accent) 24%, var(--color-transparent)) 1.2px, var(--color-transparent) 1.6px);
  background-size: 9px 9px;
  -webkit-mask-image:
    radial-gradient(7rem circle at var(--dot-mx) var(--dot-my), var(--color-transparent) 0 4rem, #000 6.5rem),
    radial-gradient(26rem 16rem at 66% 38%, #000 28%, transparent 74%);
  -webkit-mask-composite: source-in;
  mask-image:
    radial-gradient(7rem circle at var(--dot-mx) var(--dot-my), var(--color-transparent) 0 4rem, #000 6.5rem),
    radial-gradient(26rem 16rem at 66% 38%, #000 28%, transparent 74%);
  mask-composite: intersect;
  transition: --dot-mx 0.35s var(--ease-out), --dot-my 0.35s var(--ease-out);
  opacity: 0.4;
}

.motion-ready .hero::before {
  animation: hero-aurora-flow 90s linear infinite;
}

@media (max-width: 899.999px) {
  .hero::after {
    display: none;
  }
}

.motion-ready .hero::after {
  animation: hero-dots-breathe 12s var(--ease-in-out) infinite;
}

@keyframes hero-aurora-flow {
  0% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(-25%, 2.5rem, 0);
  }
  100% {
    transform: translate3d(-50%, 0, 0);
  }
}

@keyframes hero-dots-breathe {
  0%, 100% {
    opacity: 0.28;
  }
  50% {
    opacity: 0.5;
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2xl);
  align-items: center;
}

.hero__copy {
  display: grid;
  gap: var(--space-lg);
  align-self: start;
  min-width: 0;
}

.hero__identity {
  position: relative;
  width: min(100%, 36rem);
  margin-block-end: clamp(0.75rem, 1.3vw, 1.25rem);
  min-height: 10.75rem;
  display: grid;
  grid-template-columns: clamp(10rem, 20vw, 12rem) minmax(0, 1fr);
  align-items: center;
  gap: clamp(var(--space-md), 2.6vw, var(--space-xl));
  padding: var(--space-sm) clamp(var(--space-md), 2.6vw, var(--space-xl)) var(--space-sm) var(--space-sm);
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(90deg, color-mix(in oklch, var(--color-paper-4) 82%, var(--color-transparent)), color-mix(in oklch, var(--color-paper-2) 58%, var(--color-transparent))),
    repeating-linear-gradient(90deg, var(--color-transparent) 0 3.95rem, color-mix(in oklch, var(--color-rule) 45%, var(--color-transparent)) 4rem);
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-accent-dim) 58%, var(--color-rule));
  border-inline-start: var(--rule-medium) solid var(--color-accent);
  box-shadow: 0 1rem 3rem color-mix(in oklch, black 34%, var(--color-transparent));
}

.hero__identity::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    radial-gradient(circle at 17% 52%, color-mix(in oklch, var(--color-accent) 18%, var(--color-transparent)), var(--color-transparent) 34%),
    linear-gradient(135deg, var(--color-transparent) 56%, color-mix(in oklch, var(--color-accent) 5%, var(--color-transparent)) 56% 57%, var(--color-transparent) 57%);
  pointer-events: none;
}

.hero__persona {
  position: relative;
  align-self: stretch;
  min-height: 9.25rem;
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, color-mix(in oklch, var(--color-accent) 12%, var(--color-transparent)), var(--color-transparent) 70%);
}

.hero__persona img {
  position: absolute;
  width: clamp(12.5rem, 24vw, 15.5rem);
  height: auto;
  inset-inline-start: 50%;
  inset-block-start: 50%;
  transform: translate(-50%, -50%);
  clip-path: inset(14% round 18%);
  filter: drop-shadow(0 0 1.5rem color-mix(in oklch, var(--color-accent) 16%, var(--color-transparent)));
}

.hero__identity-copy {
  min-width: 0;
  display: grid;
  gap: var(--space-xs);
}

.hero__identity-copy p {
  display: grid;
  gap: var(--space-2xs);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.08em;
}

.hero__identity-copy strong {
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.1vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero__identity-kicker {
  grid-auto-flow: column;
  justify-content: start;
}

.hero__identity-kicker span {
  color: var(--color-signal);
}

.hero__identity-meta {
  grid-template-columns: 1fr;
}

.hero__identity-meta span:first-child {
  color: var(--color-accent);
}

.hero__identity-status {
  grid-auto-flow: column;
  align-items: center;
  justify-content: start;
  color: var(--color-faint) !important;
}

.hero__identity-status i {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--color-accent-strong);
  box-shadow: 0 0 0.75rem var(--color-accent);
}

.hero__lede {
  max-width: 42rem;
  color: var(--color-ink-soft);
  font-size: clamp(var(--text-base), 2.2vw, var(--text-md));
  line-height: 1.7;
}

.hero__actions {
  display: grid;
  grid-template-columns: repeat(3, 11.5rem);
  grid-template-areas:
    "b9   ghb  ."
    "gh   gitee star";
  column-gap: var(--space-lg);
  row-gap: var(--space-sm);
  justify-content: start;
  align-items: start;
}

.hero__actions > :nth-child(1) { grid-area: b9; }
.hero__actions > :nth-child(2) { grid-area: ghb; }
.hero__actions > :nth-child(3) { grid-area: gh; }
.hero__actions > :nth-child(4) { grid-area: gitee; }
.hero__actions > :nth-child(5) { grid-area: star; }

.hero__actions .button,
.hero__actions .star-cta {
  inline-size: 100%;
  justify-content: center;
}

.button {
  min-height: 2.75rem;
  padding-inline: var(--space-lg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: var(--rule-hair) solid var(--color-rule-strong);
  background: var(--color-paper-3);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.button--primary,
.button--compact {
  background: var(--color-signal);
  color: var(--color-signal-ink);
  border-color: var(--color-signal);
}

.button--outline {
  color: var(--color-accent);
  border-color: var(--color-accent-dim);
}

/* 主下载按钮：0.1.5 Beta 10。实心信号橙，站点内最醒目的行动色 */
.button--beta {
  color: var(--color-signal-ink);
  background: var(--color-signal);
  border-color: var(--color-signal-strong);
  gap: var(--space-xs);
}

/* 文字与 chip 分属两档字号：在这一层按垂直中心同轴对齐，按钮层继续负责整体居中 */
.button--beta .button__beta-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.button--beta .button__chip {
  font-family: var(--font-utility);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  background: color-mix(in oklch, var(--color-signal-ink) 34%, transparent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.12rem 0.24rem;
  /* letter-spacing 在末字后留一个尾距 → 视觉偏左；右内边距扣掉它 */
  padding-inline-end: calc(0.24rem - 0.08em);
  line-height: 1;
  /* 主字含汉字，墨迹在行盒内偏下约 3.4px；BETA10 墨迹在行盒内居中。
     按盒子居中会让 chip 视觉偏高，故下移对准主字墨迹轴。 */
  transform: translateY(0.132rem);
}

/* GitHub 下载：沿用 GitHub 自家按钮配色，避免站内橙色抢视线 */
.button--github {
  gap: var(--space-xs);
  background: #21262d;
  color: #f0f6fc;
  border-color: #30363d;
}

.button--github .button__mark {
  flex: none;
  inline-size: 1.05rem;
  block-size: 1.05rem;
  fill: currentColor;
}

.star-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  min-height: 2.75rem;
  padding-inline: var(--space-md);
  color: var(--color-ink-soft);
  background: var(--color-paper-3);
  border: var(--rule-hair) solid var(--color-rule-strong);
  font-size: var(--text-sm);
  font-weight: 700;
  white-space: nowrap;
  transition: border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.star-cta__icon {
  color: var(--color-signal-strong);
  transition: transform var(--dur-short) var(--ease-out);
}

.star-cta__count {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
  border: var(--rule-hair) solid var(--color-accent-dim);
  border-radius: 2rem;
  padding: 0.1rem 0.42rem;
  line-height: 1.3;
}

.motion-ready .star-cta__icon {
  animation: star-twinkle 3.8s var(--ease-in-out) infinite;
}

@keyframes star-twinkle {
  0%, 100% {
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.16) rotate(-9deg);
  }
}

.button--compact {
  min-height: 2.75rem;
  padding-inline: var(--space-md);
}

.button--large {
  min-height: 3.5rem;
  padding-inline: var(--space-xl);
  font-size: var(--text-base);
}

.button:active,
.button[data-state="active"] {
  transform: translateY(1px);
}

.button[aria-disabled="true"],
.button:disabled,
.button[data-state="disabled"] {
  opacity: 0.5;
  cursor: not-allowed;
}

.button[data-state="loading"] {
  cursor: wait;
}

.button[data-state="error"] {
  border-color: var(--color-signal);
  color: var(--color-signal-strong);
}

.button[data-state="success"] {
  border-color: var(--color-accent);
  color: var(--color-accent-strong);
}

.text-link {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-xs);
  max-width: 34rem;
}

.hero__facts div {
  padding-block-start: var(--space-sm);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.hero__facts dt,
.hero__facts dd {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
}

.hero__facts dt {
  color: var(--color-faint);
}

.hero__facts dd {
  margin-block-start: var(--space-2xs);
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}

.hero__capture {
  width: min(100%, 18rem);
  justify-self: center;
  align-self: start;
  border: var(--rule-hair) solid var(--color-rule-strong);
  background: var(--color-paper-2);
}

.hero__capture img {
  width: 100%;
  height: auto;
}

.hero__capture figcaption {
  padding: var(--space-sm);
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-faint);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
}

.hero__capture figcaption span:last-child {
  display: none;
}

.reveal {
  opacity: 0;
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}

@keyframes reveal {
  to { opacity: 1; }
}

.motion-ready .scroll-reveal {
  opacity: 0;
  transform: translateY(1.4rem);
  transition:
    opacity var(--dur-long) var(--ease-out) var(--reveal-delay, 0ms),
    transform calc(var(--dur-long) + 100ms) var(--ease-out) var(--reveal-delay, 0ms);
}

.motion-ready .scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.signal-strip {
  position: relative;
  z-index: var(--z-raised);
  padding: var(--space-sm) var(--page-gutter);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs) var(--space-md);
  background: color-mix(in oklch, var(--color-paper-2) 94%, var(--color-transparent));
  border-block-end: var(--rule-hair) solid var(--color-rule);
  color: var(--color-faint);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.signal-strip i {
  color: var(--color-signal);
  font-style: normal;
}

.release-rail {
  padding-block: var(--space-xl) 0;
}

.release-rail > p {
  margin-block-end: var(--space-sm);
  color: var(--color-faint);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  letter-spacing: 0.09em;
}

.release-rail > p span {
  color: var(--color-signal);
}

.release-rail ol {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  border-inline-start: var(--rule-hair) solid var(--color-rule);
}

.release-rail li {
  min-height: 6.75rem;
  padding: var(--space-md);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: center;
  gap: var(--space-xs) var(--space-md);
  border-inline-end: var(--rule-hair) solid var(--color-rule);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: color-mix(in oklch, var(--color-paper-2) 76%, var(--color-transparent));
}

.release-rail li b {
  grid-row: span 2;
  color: var(--color-accent-dim);
  font-family: var(--font-utility);
  font-size: var(--text-sm);
  font-weight: 500;
}

.danmaku-band {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: var(--space-sm);
  padding-block: var(--space-lg);
  background: color-mix(in oklch, var(--color-paper-2) 55%, var(--color-transparent));
  border-block-end: var(--rule-hair) solid var(--color-rule);
  -webkit-mask-image: linear-gradient(90deg, var(--color-transparent) 0, #000 4rem, #000 calc(100% - 4rem), var(--color-transparent) 100%);
  mask-image: linear-gradient(90deg, var(--color-transparent) 0, #000 4rem, #000 calc(100% - 4rem), var(--color-transparent) 100%);
}

.danmaku__half > span:nth-child(odd) {
  transform: translateY(1px);
}

.danmaku__half > span:nth-child(3n) {
  transform: translateY(-1.5px);
}

.danmaku__label {
  padding-inline: var(--page-gutter);
  color: var(--color-faint);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  letter-spacing: 0.09em;
}

.danmaku__label span {
  color: var(--color-accent-dim);
}

.danmaku__lane {
  overflow: hidden;
}

.danmaku__track {
  display: inline-flex;
  white-space: nowrap;
  will-change: transform;
  animation: danmaku-flow var(--danmaku-dur, 72s) linear infinite;
}

.danmaku__half {
  display: inline-flex;
  align-items: baseline;
  gap: 2.75rem;
  padding-inline-end: 2.75rem;
}

.danmaku__half > span {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  opacity: 0.78;
}

.danmaku__half > i {
  color: color-mix(in oklch, var(--color-accent-dim) 72%, var(--color-transparent));
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  font-style: normal;
}

.danmaku__id {
  margin-inline-start: 0.5rem;
  color: var(--color-faint);
  font-family: var(--font-utility);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.hero__danmaku {
  margin-block: -0.75rem 0.6rem;
  overflow: hidden;
  opacity: 0.9;
}

.danmaku__label {
  margin: 0;
  padding-inline: 0.75rem 0;
  text-align: start;
  color: var(--color-accent-dim);
  font-family: var(--font-utility);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.hero__danmaku .danmaku__lane {
  -webkit-mask-image: linear-gradient(90deg, var(--color-transparent) 0, #000 3rem, #000 calc(100% - 3rem), var(--color-transparent) 100%);
  mask-image: linear-gradient(90deg, var(--color-transparent) 0, #000 3rem, #000 calc(100% - 3rem), var(--color-transparent) 100%);
}

.hero__danmaku .danmaku__lane + .danmaku__lane {
  margin-block-start: 0.25rem;
}

.hero__danmaku .danmaku__lane:nth-child(2) {
  opacity: 0.85;
}

.hero__danmaku .danmaku__lane:nth-child(4) {
  opacity: 0.72;
}

.hero__danmaku .danmaku__track {
  --danmaku-dur: 46s;
}

.hero__danmaku .danmaku__half {
  gap: 2rem;
  padding-inline-end: 2rem;
}

.hero__danmaku .danmaku__half > span {
  font-size: var(--text-xs);
}

.hero__danmaku .danmaku__half > span:nth-child(odd) {
  transform: translateY(1px);
}

.hero__danmaku .danmaku__half > span:nth-child(3n) {
  transform: translateY(-1.5px);
}

.danmaku__lane--rev .danmaku__track {
  --danmaku-dur: 88s;
  animation-direction: reverse;
}

.danmaku__lane--slow .danmaku__track {
  --danmaku-dur: 106s;
}

.danmaku-band:hover .danmaku__track {
  animation-play-state: paused;
}

@keyframes danmaku-flow {
  to {
    transform: translateX(-50%);
  }
}

.release-rail li strong {
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.release-rail li span {
  color: var(--color-faint);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
}

.tour,
.ledger,
.builds,
.trust {
  padding-block: var(--space-3xl);
}

.section-intro {
  margin-block-end: var(--space-2xl);
  display: grid;
  gap: var(--space-lg);
}

.section-intro > div {
  display: grid;
  gap: var(--space-md);
}

.section-intro p,
.tour__lead > p,
.sources__copy > p,
.trust__copy p,
.download__grid > div > p {
  max-width: var(--reading-max);
  color: var(--color-muted);
}

.section-intro--offset {
  align-items: end;
}

.section-note {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  color: var(--color-accent-dim);
  letter-spacing: 0.1em;
}

.tour {
  display: grid;
  gap: var(--space-2xl);
}

.tour__lead {
  display: grid;
  align-content: start;
  gap: var(--space-md);
}

.tour__stack {
  display: grid;
  gap: var(--space-3xl);
  min-width: 0;
}

.tour-shot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: center;
}

.tour-shot img {
  width: min(100%, 16rem);
  height: auto;
  justify-self: center;
  border: var(--rule-hair) solid var(--color-rule-strong);
}

.tour-shot figcaption {
  display: grid;
  gap: var(--space-md);
}

.tour-shot figcaption p {
  color: var(--color-muted);
}

.tour-shot figcaption span,
.tour-mosaic figcaption,
.feature-ledger article > span,
.build-compare article > div > span,
.source-map > div > span {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  color: var(--color-accent-dim);
  letter-spacing: 0.06em;
}

.tour-mosaic {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: stretch;
}

.tour-mosaic figure {
  display: grid;
  grid-template-rows: minmax(0, 1fr) minmax(2.5rem, auto);
  gap: var(--space-sm);
  align-items: end;
}

.tour-mosaic img {
  width: min(100%, 15rem);
  height: auto;
  justify-self: center;
  align-self: end;
  border: var(--rule-hair) solid var(--color-rule);
}

.tour-mosaic figcaption {
  min-height: 2.5rem;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--color-muted);
}

.download-dock {
  position: relative;
  z-index: var(--z-raised);
  margin-block: var(--space-lg);
  padding-block: var(--space-sm);
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: color-mix(in oklch, var(--color-paper-3) 94%, var(--color-transparent));
  border: var(--rule-hair) solid var(--color-rule-strong);
}

.download-dock p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.download-dock p span {
  color: var(--color-signal-strong);
  font-family: var(--font-utility);
}

.feature-ledger {
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.feature-ledger article {
  padding-block: var(--space-xl);
  display: grid;
  gap: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.feature-ledger article p {
  max-width: var(--reading-max);
  color: var(--color-muted);
}

.feature-shot {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-xl) var(--space-2xl);
}

.feature-shot img {
  width: 100%;
  height: auto;
  border: var(--rule-hair) solid var(--color-rule-strong);
}

.feature-shot figcaption {
  display: grid;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.feature-shot figcaption span {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  color: var(--color-accent-dim);
  letter-spacing: 0.06em;
}

.sources {
  padding-block: var(--space-3xl) var(--space-4xl);
  background: color-mix(in oklch, var(--color-paper-2) 92%, var(--color-transparent));
  color: var(--color-ink);
  border-block: var(--rule-hair) solid var(--color-rule);
}

.sources__grid {
  display: grid;
  gap: var(--space-2xl);
}

.sources__copy {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  align-content: stretch;
  gap: var(--space-md);
}

.sources__principles {
  min-height: 12rem;
  display: grid;
  grid-template-rows: repeat(3, minmax(4rem, 1fr));
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.sources__principles > div {
  display: grid;
  grid-template-columns: 6.25rem minmax(0, 1fr);
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.sources__principles span {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent-dim);
}

.sources__principles strong {
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.sources__plain {
  grid-row: 4;
  padding-block-start: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-ink-soft) !important;
}

.source-map {
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.source-map > div {
  padding-block: var(--space-lg);
  display: grid;
  gap: var(--space-xs);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.source-map > div strong {
  font-size: var(--text-md);
}

.source-map > div p {
  color: var(--color-muted);
}

.build-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--rule-hair) solid var(--color-rule-strong);
}

.build-compare article {
  min-width: 0;
  padding: var(--space-lg);
  display: grid;
  align-content: start;
  gap: var(--space-xl);
  background: color-mix(in oklch, var(--color-paper-2) 95%, var(--color-transparent));
}

.build-compare__public {
  border-block-end: var(--rule-hair) solid var(--color-rule-strong);
}

.build-compare article > div {
  display: grid;
  gap: var(--space-xs);
}

.build-compare h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
}

.build-compare dl {
  display: grid;
  gap: var(--space-sm);
}

.build-compare dl div {
  padding-block-end: var(--space-sm);
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.build-compare dt {
  color: var(--color-faint);
  font-family: var(--font-utility);
  font-size: var(--text-xs);
}

.build-compare dd {
  color: var(--color-ink-soft);
}

.build-compare .button {
  justify-self: start;
}

.build-compare__actions,
.download__buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
}

.trust {
  display: grid;
  gap: var(--space-2xl);
}

.trust__copy {
  display: grid;
  gap: var(--space-md);
}

.trust__zeros {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.trust__zeros div {
  padding-block: var(--space-lg);
  min-height: 8rem;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: var(--space-xs);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  text-align: center;
}

.trust__zeros dt {
  color: var(--color-signal-strong);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-variant-numeric: tabular-nums;
}

.trust__zeros dd {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.download {
  padding-block: var(--space-3xl) var(--space-4xl);
  background: color-mix(in oklch, var(--color-paper-3) 94%, var(--color-transparent));
  color: var(--color-ink);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.download__grid {
  display: grid;
  gap: var(--space-2xl);
}

.download__grid > div {
  display: grid;
  align-content: start;
  gap: var(--space-md);
}

.download__action > p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.download__action .button,
.download__action .text-link {
  justify-self: start;
}

.footer {
  padding-block: var(--space-3xl) max(var(--space-2xl), env(safe-area-inset-bottom));
  background: var(--color-paper);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.footer__statement {
  max-width: 12ch;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 8vw, var(--text-display-s));
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}

.footer__meta {
  margin-block-start: var(--space-2xl);
  padding-block-start: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.footer__meta > div {
  display: grid;
  gap: var(--space-2xs);
}

.footer__meta strong {
  color: var(--color-signal-strong);
}

.footer__meta span,
.footer__meta nav,
.footer__fine {
  font-family: var(--font-utility);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.footer__meta nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.footer__meta nav a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.footer__fine {
  margin-block-start: var(--space-lg);
  max-width: var(--reading-max);
  color: var(--color-faint);
}

:focus-visible {
  outline: var(--rule-medium) solid var(--color-focus);
  outline-offset: var(--space-2xs);
}

@media (hover: hover) and (pointer: fine) {
  .beta-announcement__link:hover,
  .beta-announcement__link.is-hover {
    color: var(--color-ink);
  }

  .beta-announcement__group:hover,
  .beta-announcement__group.is-hover {
    border-color: var(--color-accent-strong);
    background: color-mix(in oklch, var(--color-announcement-strong) 72%, var(--color-transparent));
  }

  .beta-announcement__close:hover {
    color: var(--color-signal-strong);
    border-color: color-mix(in oklch, var(--color-signal) 55%, var(--color-transparent));
    background: color-mix(in oklch, var(--color-signal) 16%, var(--color-transparent));
  }

  .beta-announcement__close:hover span {
    transform: translateY(-0.05em) rotate(90deg);
  }

  .group-qr-dialog__close:hover {
    color: var(--color-accent-strong);
    background: var(--color-paper-4);
  }

  .terminal-nav__commands a:hover,
  .terminal-nav__mobile a:hover,
  .text-link:hover,
  .footer a:hover {
    color: var(--color-accent-strong);
    text-decoration-color: var(--color-accent);
  }

  .button:hover {
    background: var(--color-paper-4);
  }

  .button--primary:hover,
  .button--compact:hover {
    background: var(--color-signal-strong);
    color: var(--color-signal-ink);
  }

  .button--beta:hover {
    background: var(--color-signal-strong);
    border-color: var(--color-signal-strong);
    color: var(--color-signal-ink);
  }

  .button--github:hover {
    background: #30363d;
    border-color: #8b949e;
    color: #f0f6fc;
  }

  .star-cta:hover {
    border-color: var(--color-accent-dim);
    color: var(--color-ink);
  }

  .star-cta:hover .star-cta__icon {
    color: var(--color-signal-strong);
    transform: rotate(-15deg) scale(1.18);
  }

  .star-cta:hover .star-cta__count {
    color: var(--color-signal-strong);
    border-color: var(--color-signal);
  }

}

@media (max-width: 47.999rem) {
  .beta-announcement__inner {
    --banner-pad-block: 0.6rem;
    justify-content: flex-start;
    min-height: 0;
  }

  .beta-announcement__copy {
    justify-content: flex-start;
  }

  .beta-announcement__divider {
    display: none;
  }

  .beta-announcement__channel {
    font-size: 0;
    vertical-align: middle;
    margin-inline-end: 0.35rem;
    position: relative;
    top: -1px;
  }

  .beta-announcement__channel i {
    width: var(--space-sm);
    height: var(--space-sm);
  }

  .beta-announcement p {
    font-size: var(--text-xs);
    line-height: 1.6;
    text-align: start;
    padding-inline-start: 1.6rem;
    text-indent: -1.6rem;
  }

  .beta-announcement p .beta-announcement__link {
    min-height: 1.5rem;
  }
}

@media (max-width: 39.999rem) {
  .group-qr-dialog__panel {
    padding: var(--space-md);
  }

  .group-qr-dialog__header h2 {
    font-size: var(--text-lg);
  }

  .group-qr-dialog__figure {
    margin-block-start: var(--space-md);
    gap: var(--space-sm);
  }

  .group-qr-dialog__figure img {
    width: min(100%, 17.5rem);
  }

  h1 {
    max-width: none;
    font-size: clamp(2.2rem, 11vw, 2.6rem);
  }

  .hero {
    min-height: auto;
    padding-block: var(--space-lg);
  }

  .hero::before {
    opacity: 0.6;
  }

  .hero__grid {
    gap: var(--space-xl);
  }

  .hero__identity {
    min-height: 9rem;
    grid-template-columns: 8.75rem minmax(0, 1fr);
    gap: var(--space-md);
    padding: var(--space-xs) var(--space-md) var(--space-xs) var(--space-xs);
  }

  .hero__persona {
    min-height: 8rem;
  }

  .hero__persona img {
    width: 11.75rem;
  }

  .hero__identity-kicker {
    display: none !important;
  }

  .hero__identity-copy strong {
    font-size: 1.05rem;
  }

  .hero__identity-meta {
    font-size: 0.64rem !important;
  }

  .hero__actions {
    width: 100%;
    grid-template-columns: 1fr;
    grid-template-areas:
      "b9"
      "ghb"
      "gh"
      "gitee"
      "star";
    gap: var(--space-md);
  }

  .hero__actions .button,
  .hero__actions .star-cta {
    inline-size: 100%;
  }

  .hero__actions .star-cta {
    min-height: 3rem;
    padding-inline: var(--space-lg);
  }

  .group-qr-dialog__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .download__buttons {
    display: grid;
  }

  .download__buttons .button {
    width: 100%;
  }

  .hero__capture {
    width: min(100%, 15.5rem);
  }

  .tour,
  .ledger,
  .builds,
  .trust {
    padding-block: var(--space-2xl);
  }

  .tour-shot img {
    width: min(100%, 15rem);
  }

  .tour-mosaic img {
    width: min(100%, 13.5rem);
  }

  .download-dock {
    align-items: stretch;
    flex-direction: column;
    padding-block: var(--space-md);
  }

  .download-dock .button {
    width: 100%;
  }

  .ledger {
    padding-block: var(--space-2xl);
  }

  .feature-shot {
    padding-block-end: 0;
  }

  .sources,
  .download {
    padding-block: var(--space-2xl) var(--space-3xl);
  }

  .build-compare dl div {
    grid-template-columns: 4.75rem minmax(0, 1fr);
    gap: var(--space-sm);
  }

  .download__action .button {
    width: 100%;
  }
}

@media (min-width: 40rem) {
  .release-rail ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .hero__capture figcaption span:last-child {
    display: inline;
  }

  .section-intro--offset {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .tour-shot {
    grid-template-columns: minmax(0, 18rem) minmax(0, 1fr);
    gap: var(--space-2xl);
  }

  .tour-shot--secondary {
    grid-template-columns: minmax(0, 1fr) minmax(0, 18rem);
  }

  .tour-shot--secondary img {
    order: 2;
  }

  .tour-mosaic {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .feature-ledger {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-ledger article:nth-child(odd) {
    padding-inline-end: var(--space-xl);
    border-inline-end: var(--rule-hair) solid var(--color-rule);
  }

  .feature-ledger article:nth-child(even) {
    padding-inline-start: var(--space-xl);
  }

  .build-compare article {
    padding: var(--space-xl);
  }

  .trust__zeros {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .trust__zeros div:not(:last-child) {
    border-inline-end: var(--rule-hair) solid var(--color-rule);
  }

  .footer__meta {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
  }
}

@media (min-width: 60rem) {
  .release-rail ol {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .terminal-nav__commands {
    display: flex;
  }

  .terminal-nav__mobile {
    display: none;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    gap: var(--space-3xl);
  }

  .hero__capture {
    justify-self: end;
  }

  .tour {
    grid-template-columns: minmax(14rem, 0.55fr) minmax(0, 1.45fr);
    gap: var(--space-3xl);
    align-items: start;
  }

  .tour__lead {
    position: sticky;
    inset-block-start: var(--sticky-reading-offset);
  }

  .sources__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: var(--space-3xl);
  }

  .sources__copy {
    position: relative;
    inset-block-start: auto;
    align-self: stretch;
  }

  .source-map > div {
    grid-template-columns: 8rem 10rem minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-lg);
  }

  .build-compare {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .build-compare__public {
    border-block-end: 0;
    border-inline-end: var(--rule-hair) solid var(--color-rule-strong);
  }

  .trust {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: end;
  }

  .download__grid {
    grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.7fr);
    align-items: start;
  }
}

@media (min-width: 90rem) {
  .hero__grid {
    gap: var(--space-4xl);
  }

  .hero__capture {
    width: 19rem;
  }

  .tour-shot img {
    width: 17rem;
  }
}

@media (pointer: coarse) {
  .button,
  .text-link,
  .button--beta,
  .star-cta,
  .beta-announcement__link,
  .group-qr-dialog__close,
  .terminal-brand,
  .terminal-nav__mobile summary,
  .terminal-nav__mobile nav a {
    min-height: 3rem;
  }

  .beta-announcement__group {
    min-height: 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    opacity: 1;
  }

  .motion-ready .scroll-reveal,
  .motion-ready .scroll-reveal.is-visible {
    opacity: 1;
    transform: none;
  }

  .motion-ready .beta-announcement,
  .motion-ready .beta-announcement__channel i,
  .motion-ready .beta-announcement::before {
    animation: none;
  }

  .motion-ready .hero::before,
  .motion-ready .hero::after {
    animation: none;
  }

  .motion-ready .hero::before {
    opacity: 0.62;
  }

  .motion-ready .hero::after {
    opacity: 0.4;
  }

  .danmaku__track {
    animation: none;
  }

  .terminal-caret {
    opacity: 1;
  }
}