:root {
  color-scheme: light;
  --color-canvas: #f3f6f5;
  --color-paper: #fff;
  --color-subtle: #e9efec;
  --color-text: #1e2924;
  --color-muted: #56665e;
  --color-line: #d1ddd6;
  --color-green: #78bea3;
  --color-green-hover: #88cbb1;
  --color-green-ink: #23634d;
  --color-dark: #1e2126;
  --color-on-dark: #fff;
  --color-muted-dark: #c1d0c8;
  --color-error: #9d342b;
  --color-error-bg: #fff0ed;
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px; --space-20: 80px;
  --text-caption: 12px; --text-small: 13px; --text-body: 14px;
  --text-lead: 16px; --text-section: 20px; --text-title: 28px; --text-display: 44px;
  --radius-small: 4px; --radius-medium: 8px; --radius-large: 12px;
  --ui-press-down: 80ms; --ui-release: 520ms; --ui-hover: 200ms;
  --ui-focus: 160ms; --ui-state: 260ms;
  --ui-ease-out: cubic-bezier(.2, 0, 0, 1);
  --ui-ease-color: cubic-bezier(.25, .1, .25, 1);
  --ui-spring-pop: cubic-bezier(.18, .85, .25, 1.1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--space-6); }
body { margin: 0; background: var(--color-canvas); color: var(--color-text); font-family: "Avenir Next", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: var(--text-body); line-height: 1.6; -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: var(--space-1); background: linear-gradient(90deg, var(--color-green-ink), var(--color-green)); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
svg { width: var(--space-5); height: var(--space-5); fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.2; }
[hidden] { display: none !important; }
.page-width { width: min(1120px, calc(100% - var(--space-12) * 2)); margin-inline: auto; }
.site-header { min-height: 104px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); border-bottom: 1px solid var(--color-line); }
.brand { display: inline-flex; align-items: center; gap: var(--space-3); font-size: var(--text-section); font-weight: 600; letter-spacing: -.5px; }
.brand-mark { display: grid; place-items: center; width: var(--space-10); height: var(--space-10); border-radius: var(--radius-medium); background: var(--color-dark); color: var(--color-green); font-size: var(--text-lead); font-weight: 700; letter-spacing: -1px; }
.brand-one { color: var(--color-green-ink); }
nav { display: flex; gap: var(--space-6); align-items: center; }
.nav-link { display: inline-flex; align-items: center; gap: var(--space-1); min-height: 44px; font-size: var(--text-small); font-weight: 500; }
.nav-link svg { width: var(--space-4); height: var(--space-4); }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-6); padding: var(--space-16) 0 var(--space-8); }
h1 { font-size: var(--text-display); font-weight: 600; letter-spacing: -1px; }
.page-heading p { margin-top: var(--space-4); font-size: var(--text-lead); color: var(--color-muted); }
.text-link { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px; white-space: nowrap; color: var(--color-green-ink); font-weight: 600; }
.text-link svg { width: var(--space-4); height: var(--space-4); }
.latest-release { padding: var(--space-10); background: var(--color-dark); color: var(--color-on-dark); border-radius: var(--radius-large); }
.latest-product { display: flex; align-items: center; gap: var(--space-4); }
.windows-mark { width: var(--space-10); height: var(--space-10); fill: var(--color-green); stroke: none; }
.latest-product h2 { font-size: var(--text-section); font-weight: 600; }
.platform-label { margin-top: var(--space-1); color: var(--color-muted-dark); font-size: var(--text-small); }
.latest-body { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: var(--space-8); margin-top: var(--space-8); }
.release-label { color: var(--color-muted-dark); font-size: var(--text-small); }
.latest-version { margin-top: var(--space-2); font-size: var(--text-display); font-weight: 500; line-height: 1.2; letter-spacing: -1px; font-variant-numeric: tabular-nums; min-height: 53px; }
.latest-version.is-message { font-size: var(--text-title); letter-spacing: 0; }
.latest-meta { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-3); min-height: 22px; color: var(--color-muted-dark); font-size: var(--text-small); font-variant-numeric: tabular-nums; }
.latest-meta span + span::before { content: ""; display: inline-block; height: 10px; border-left: 1px solid var(--color-muted-dark); margin-right: var(--space-4); }
.latest-action { min-width: 244px; }
.latest-action p { margin-top: var(--space-3); color: var(--color-muted-dark); text-align: center; font-size: var(--text-caption); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: 44px; padding: var(--space-2) var(--space-5); border: 1px solid transparent; border-radius: var(--radius-small); font-weight: 600; line-height: 1.3; cursor: pointer; }
.button-primary { min-height: 52px; width: 100%; background: var(--color-green); color: var(--color-dark); font-size: var(--text-lead); }
.button-secondary { border-color: var(--color-green-ink); background: var(--color-paper); color: var(--color-green-ink); }
.button-quiet { background: transparent; color: var(--color-muted); padding-inline: var(--space-3); font-weight: 500; }
.button-download { border-color: var(--color-line); background: var(--color-paper); color: var(--color-green-ink); font-size: var(--text-small); }
.button-download svg { width: var(--space-4); height: var(--space-4); }
.installation-note { display: flex; align-items: flex-start; gap: var(--space-2); margin-top: var(--space-5); color: var(--color-muted); font-size: var(--text-small); }
.installation-note svg { width: var(--space-4); height: var(--space-4); margin-top: var(--space-1); }
.version-section { margin-top: var(--space-12); scroll-margin-top: var(--space-6); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); }
.section-title { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--space-3); }
.section-title h2 { font-size: var(--text-section); font-weight: 600; }
.version-count { color: var(--color-muted); font-size: var(--text-small); }
.list-controls { display: flex; align-items: center; gap: var(--space-3); }
.search-field { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-small); color: var(--color-muted); }
.search-field input { width: 160px; min-width: 0; height: 44px; padding: var(--space-2) var(--space-3); font: inherit; border: 1px solid var(--color-muted); border-radius: var(--radius-small); background: var(--color-paper); color: var(--color-text); transition: border-color var(--ui-hover) var(--ui-ease-color), background-color var(--ui-hover) var(--ui-ease-color), outline-offset var(--ui-focus) var(--ui-ease-out); }
.search-field input::placeholder { color: var(--color-muted); }
.catalog { border: 1px solid var(--color-line); border-radius: var(--radius-medium); background: var(--color-paper); }
.version-header, .version-row { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr) minmax(0, 1fr) 116px; gap: var(--space-6); align-items: center; padding: var(--space-5) var(--space-6); }
.version-header { padding-block: var(--space-3); background: var(--color-subtle); border-radius: var(--radius-medium) var(--radius-medium) 0 0; color: var(--color-muted); font-size: var(--text-caption); }
.version-header > :last-child { text-align: right; }
.version-row + .version-row { border-top: 1px solid var(--color-line); }
.version-name { display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-2); font-weight: 600; font-size: var(--text-lead); font-variant-numeric: tabular-nums; }
.version-badge { padding: var(--space-1) var(--space-2); background: var(--color-subtle); border-radius: var(--radius-small); color: var(--color-green-ink); font-size: var(--text-caption); font-weight: 500; line-height: 1.3; white-space: nowrap; }
.version-package { font-size: var(--text-small); }
.version-package small { display: block; margin-top: var(--space-1); color: var(--color-muted); font-size: var(--text-caption); font-variant-numeric: tabular-nums; }
.version-time { color: var(--color-muted); font-size: var(--text-small); font-variant-numeric: tabular-nums; }
.version-time time { display: block; }
.version-time .time-part { display: block; margin-top: var(--space-1); font-size: var(--text-caption); }
.version-download { justify-self: end; }
.catalog-state { padding: var(--space-12) var(--space-6); text-align: center; }
.catalog-state h3 { font-size: var(--text-lead); font-weight: 600; }
.catalog-state p { margin-top: var(--space-2); color: var(--color-muted); font-size: var(--text-small); }
.catalog-state .button { margin-top: var(--space-5); }
.catalog[data-state="error"] .catalog-state h3 { color: var(--color-error); }
.catalog-note { margin-top: var(--space-4); color: var(--color-muted); font-size: var(--text-caption); }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-5); color: var(--color-muted); font-size: var(--text-caption); }
.pagination-actions { display: flex; align-items: center; gap: var(--space-4); }
.pagination-actions .button { min-width: var(--space-20); }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); margin-top: var(--space-16); padding: var(--space-6) 0; border-top: 1px solid var(--color-line); color: var(--color-muted); font-size: var(--text-caption); }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.skeleton { display: inline-block; height: var(--space-4); width: min(100%, 116px); background: var(--color-subtle); border-radius: var(--radius-small); }
.latest-release .skeleton { background: var(--color-muted); }
.skeleton-version { width: 180px; height: var(--space-12); }
.skeleton-meta { width: 244px; max-width: 100%; }
.skeleton-row { min-height: 85px; }
.skeleton-row > :last-child { justify-self: end; width: var(--space-20); height: var(--space-10); }
.is-revealed { animation: reveal var(--ui-state) var(--ui-ease-out); }
.noscript-note { padding: var(--space-5); margin-top: var(--space-5); border: 1px solid var(--color-error); color: var(--color-error); background: var(--color-error-bg); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: absolute; z-index: 10; top: var(--space-2); left: var(--space-2); padding: var(--space-3) var(--space-4); background: var(--color-paper); transform: translateY(-200%); }
.skip-link:focus { transform: none; }
:focus-visible { outline: 2px solid var(--color-green-ink); outline-offset: 4px; }
.latest-release :focus-visible { outline-color: var(--color-green); }

/* The interaction kit press model keeps feedback immediate without delaying links. */
.ui-press { position: relative; isolation: isolate; overflow: hidden; touch-action: manipulation; -webkit-tap-highlight-color: transparent; transform: scale(1); transition: transform var(--ui-release) var(--ui-spring-pop), background-color var(--ui-hover) var(--ui-ease-color), filter var(--ui-hover) var(--ui-ease-color), outline-offset var(--ui-focus) var(--ui-ease-out); }
.ui-press::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(circle at var(--press-x, 50%) var(--press-y, 50%), rgb(30 41 36 / 12%), transparent 70%); opacity: 0; transition: opacity var(--ui-release) var(--ui-ease-out); }
.ui-press[data-pressed], .ui-press:active:not([aria-disabled="true"]):not(:disabled) { transform: scale(var(--press-scale, .96)); filter: brightness(.92); transition-duration: var(--ui-press-down); }
.ui-press[data-pressed]::after { opacity: 1; transition-duration: var(--ui-press-down); }
.ui-press[aria-disabled="true"], .ui-press:disabled { cursor: default; opacity: .55; transform: none; filter: none; }
.ui-dim { transition: opacity var(--ui-hover) var(--ui-ease-color), color var(--ui-hover) var(--ui-ease-color); }
.ui-dim:active, .ui-dim[data-pressed] { opacity: .5; }
@media (hover: hover) and (pointer: fine) {
  .button-primary:hover:not([aria-disabled="true"]) { background: var(--color-green-hover); }
  .button-quiet:hover:not(:disabled), .button-download:hover { background: var(--color-subtle); }
  .button-secondary:hover { background: var(--color-subtle); }
  .ui-dim:hover:not(:active):not([data-pressed]) { color: var(--color-green-ink); opacity: .9; }
}
@keyframes reveal { from { opacity: .2; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (min-width: 1600px) { .page-heading { padding-top: var(--space-20); } }
@media (max-width: 1023px) {
  .page-width { width: calc(100% - var(--space-8) * 2); }
  .version-header, .version-row { gap: var(--space-4); grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr) minmax(0, 1fr) 100px; }
}
@media (max-width: 680px) {
  .page-width { width: calc(100% - var(--space-5) * 2); }
  .site-header { min-height: var(--space-20); gap: var(--space-4); flex-wrap: wrap; padding-block: var(--space-4); }
  .brand { gap: var(--space-2); font-size: var(--text-lead); }
  .brand-mark { width: var(--space-8); height: var(--space-8); font-size: var(--text-small); }
  nav { gap: var(--space-4); }
  .nav-link { font-size: var(--text-caption); }
  .page-heading { display: block; padding-top: var(--space-10); padding-bottom: var(--space-6); }
  h1 { font-size: var(--text-title); letter-spacing: 0; }
  .page-heading p { margin-top: var(--space-3); font-size: var(--text-body); }
  .page-heading .text-link { margin-top: var(--space-3); font-size: var(--text-small); }
  .latest-release { padding: var(--space-6); }
  .latest-body { grid-template-columns: minmax(0, 1fr); gap: var(--space-6); margin-top: var(--space-6); }
  .latest-action { min-width: 0; }
  .latest-product h2 { font-size: var(--text-lead); }
  .latest-version { font-size: var(--text-display); }
  .latest-version.is-message { font-size: var(--text-section); }
  .latest-meta { gap: var(--space-2) var(--space-4); }
  .version-section { margin-top: var(--space-10); }
  .section-heading { gap: var(--space-2); }
  .section-heading { flex-wrap: wrap; }
  .section-title { gap: var(--space-2); }
  .list-controls { width: 100%; justify-content: space-between; }
  .search-field { flex: 1; min-width: 0; gap: var(--space-2); }
  .search-field > span { white-space: nowrap; }
  .search-field input { width: min(100%, 160px); }
  .list-controls .button { white-space: nowrap; padding-inline: var(--space-2); font-size: var(--text-small); }
  .list-controls .button svg { display: none; }
  .version-header { display: none; }
  .version-row { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-3) var(--space-4); padding: var(--space-5); }
  .version-name { grid-column: 1; grid-row: 1; }
  .version-package { grid-column: 1; grid-row: 2; }
  .version-package small { display: inline; margin-left: var(--space-2); }
  .version-time { grid-column: 1; grid-row: 3; font-size: var(--text-caption); }
  .version-time .time-part { display: inline; margin-left: var(--space-2); }
  .version-download { grid-column: 2; grid-row: 1 / span 3; }
  .skeleton-row > :nth-child(2) { grid-column: 1; grid-row: 2; }
  .skeleton-row > :nth-child(3) { grid-column: 1; grid-row: 3; }
  .skeleton-row > :last-child { grid-column: 2; grid-row: 1 / span 3; }
  .site-footer { margin-top: var(--space-10); }
  .pagination { flex-wrap: wrap; gap: var(--space-3); }
  .pagination-actions { width: 100%; justify-content: space-between; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ui-press, .ui-press[data-pressed], .ui-press:active:not([aria-disabled="true"]):not(:disabled) { transform: none; transition-duration: 0ms; }
  .is-revealed { animation: none; }
}