:root {
  color-scheme: dark;
  --bg: #0D0E12;
  --bg-panel: #14161D;
  --bg-panel-2: #1C1F29;
  --border: #282B37;
  --accent: #C88CFF;
  --accent-pink: #F29AE2;
  --accent-dark: #6A4DF5;
  --link: #5B8CFF;
  --text: #ECEDF2;
  --text-muted: #9599A8;
  --success: #3FD6A1;
  --warn: #F0B54A;
  --error: #FF6B7D;
  --ink-mask: #000;
  --transparent: transparent;
  --font-display: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --radius-ctl: 4px;
  --radius-panel: 6px;
  --radius-round: 50%;
  --container: 1200px;
  --reading: 800px;
  --header-h: 72px;
  --gutter: 32px;
  --section-space: 96px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --duration: .2s;
  --grad-accent: linear-gradient(90deg, var(--accent) 0%, var(--accent-pink) 48%, var(--accent-dark) 130%);
  --grad-neon: linear-gradient(120deg, var(--accent), var(--accent-pink) 45%, var(--accent-dark));
  --line-fade: linear-gradient(90deg, var(--border), var(--border) 60%, var(--transparent));
  --panel-sheen: linear-gradient(180deg, color-mix(in srgb, var(--text) 5%, var(--transparent)), var(--transparent) 70%);
  --shadow-panel: 0 20px 50px -28px color-mix(in srgb, var(--ink-mask) 80%, var(--transparent));
  --shadow-cta: 0 0 0 1px color-mix(in srgb, var(--accent) 55%, var(--transparent)), -8px 10px 30px -12px color-mix(in srgb, var(--accent-pink) 70%, var(--transparent)), 8px 12px 34px -12px color-mix(in srgb, var(--accent-dark) 80%, var(--transparent));
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
html, body { margin: 0; padding: 0; }
html.nav-open { overflow: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a { -webkit-tap-highlight-color: var(--transparent); }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
svg { flex-shrink: 0; }
button svg, a svg { flex-shrink: 0; }
ul, ol { padding-left: 1.4em; }
p { margin: 0 0 1.25em; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--text);
  letter-spacing: -.015em;
  text-wrap: balance;
  overflow-wrap: break-word;
}
h1 { font-size: clamp(34px, 3.4vw + .5rem, 48px); line-height: 1.17; margin: 0 0 22px; }
h2 { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.25; margin: 0 0 24px; }
h3 { font-size: 22px; line-height: 1.4; margin: 0 0 16px; }
h4 { font-size: 18px; margin: 0 0 12px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius-ctl); }
::selection { background: var(--accent); color: var(--bg); }
code, pre, kbd { font-family: var(--font-mono); }
code { overflow-wrap: anywhere; font-size: .875em; }
pre {
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.8;
  tab-size: 2;
}
pre code { font-size: inherit; white-space: pre; overflow-wrap: normal; word-break: normal; }
hr { border: 0; height: 1px; background: var(--border); color: var(--text); margin-block: 32px; }
.wrap {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.reading { max-width: calc(var(--reading) + var(--gutter) * 2); }
.section { padding-top: var(--section-space); padding-bottom: var(--section-space); }
.section--ruled { border-top: 1px solid var(--border); }
.grid { display: grid; gap: 24px; }
.grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid > *, .hero__grid > *, .footer__grid > *, .topbar__row > *, .layer-tabs > * { min-width: 0; }
.stack > * + * { margin-top: 24px; }
.nowrap { white-space: nowrap; }
.muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); }
.small { font-size: 13px; }
.ink {
  background: var(--grad-accent);
  color: var(--transparent);
  -webkit-background-clip: text;
  background-clip: text;
  padding-inline: .04em;
}
.prose { min-width: 0; }
.prose h2 { margin-top: 64px; scroll-margin-top: 24px; }
.prose h3 { margin-top: 36px; }
.prose p, .prose li { color: var(--text-muted); }
.prose strong { color: var(--text); font-weight: var(--weight-semibold); }
.prose a, .text-link { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover, .text-link:hover { text-decoration-thickness: 2px; }
.prose :not(pre) > code { color: var(--text); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.button, .btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-ctl);
  font-size: 15px;
  font-weight: var(--weight-semibold);
  line-height: 1.4;
  text-align: center;
  transition: transform var(--duration) var(--ease), border-color var(--duration) var(--ease);
}
.button, .btn-secondary { background: var(--bg-panel); color: var(--text); }
.btn-primary { background: var(--text); color: var(--bg); box-shadow: var(--shadow-cta); padding-left: 18px; letter-spacing: .005em; }
.button svg, .btn-primary svg, .btn-secondary svg { width: 17px; height: 17px; }
.button:hover, .btn-primary:hover, .btn-secondary:hover, .is-hover { transform: translateY(-1px); border-color: var(--accent); }
.button:active, .btn-primary:active, .btn-secondary:active, .is-active { transform: translateY(1px); }
button:disabled, .button[aria-disabled="true"], .btn-primary[aria-disabled="true"] {
  background: var(--bg-panel-2);
  color: var(--text-muted);
  box-shadow: none;
  border-color: var(--border);
  cursor: not-allowed;
  transform: none;
}
.is-focus { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-text { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 15px; font-weight: var(--weight-semibold); }
.btn-text__arrow { transition: transform var(--duration) var(--ease); }
.btn-text:hover .btn-text__arrow { transform: translateX(3px); }
.cta { display: flex; align-items: center; flex-wrap: wrap; gap: 30px; margin-bottom: 42px; }
.panel, .card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--panel-sheen), var(--bg-panel);
  color: var(--text);
  box-shadow: var(--shadow-panel);
  min-width: 0;
}
.card p:last-child, .panel p:last-child { margin-bottom: 0; }
.card__meta { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; color: var(--text-muted); font-size: 12px; margin-bottom: 16px; }
.card__title { font-size: 21px; }
.card__link:hover { text-decoration: underline; text-underline-offset: 4px; }
.card__body { color: var(--text-muted); }
.topbar { position: relative; z-index: 50; height: var(--header-h); border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, var(--transparent)); background: var(--bg); color: var(--text); }
.header-wrap {
  width: 100%;
  max-width: min(100%, calc(1280px + var(--gutter) * 2));
  padding-inline: var(--gutter);
  margin-inline: auto;
}
.topbar__row { height: 100%; display: flex; align-items: center; gap: 40px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand__mark { width: 30px; height: 30px; flex-shrink: 0; }
.brand__name { font-family: var(--font-display); font-size: 16px; font-weight: var(--weight-bold); letter-spacing: -.01em; }
.mainnav { margin-left: auto; min-width: 0; }
.mainnav ul { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; gap: 4px; }
.mainnav a { position: relative; display: inline-flex; align-items: center; gap: 8px; height: 40px; padding-inline: 12px; border-radius: var(--radius-ctl); font-size: 14px; font-weight: var(--weight-medium); color: var(--text-muted); white-space: nowrap; }
.mainnav a svg { width: 16px; height: 16px; opacity: .85; }
.mainnav a:hover { background: var(--bg-panel-2); color: var(--text); }
.mainnav a.is-current { color: var(--text); }
.mainnav a.is-current svg { color: var(--accent); opacity: 1; }
.mainnav a.is-current::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -16px; height: 2px; border-radius: var(--radius-ctl); background: var(--grad-accent); color: var(--text); }
.header-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.language { position: relative; }
.lang { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 34px; padding: 6px 12px; border: 1px solid var(--border); border-radius: var(--radius-ctl); background: var(--transparent); color: var(--text-muted); font-size: 13px; white-space: nowrap; }
.lang svg { width: 15px; height: 15px; }
.lang:hover { color: var(--text); border-color: var(--text-muted); }
.lang__short { display: none; }
.lang__caret { font-size: 10px; }
.language__list { position: absolute; top: calc(100% + 12px); right: 0; width: 190px; padding: 6px; margin: 0; list-style: none; background: var(--bg-panel); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-panel); box-shadow: var(--shadow-panel); z-index: 4; }
.language__list a { display: flex; align-items: center; min-height: 44px; padding: 10px 14px; font-size: 14px; border-radius: var(--radius-ctl); }
.language__list a:hover { background: var(--bg-panel-2); color: var(--text); }
.language__list [aria-current="true"] { color: var(--accent); }
.menu-toggle { display: none; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; border: 1px solid var(--border); border-radius: var(--radius-ctl); background: var(--bg-panel); color: var(--text); }
.menu-toggle svg { width: 20px; height: 20px; }
.mobile-drawer { display: none; position: absolute; top: 100%; left: 0; right: 0; max-height: calc(100dvh - var(--header-h)); overflow-y: auto; overscroll-behavior: contain; padding: 16px var(--gutter) 24px; background: var(--bg-panel); color: var(--text); border-bottom: 1px solid var(--border); z-index: 3; }
.mobile-drawer ul { list-style: none; margin: 0; padding: 0; }
.mobile-drawer a { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 48px; padding: 12px; color: var(--text-muted); border-radius: var(--radius-ctl); }
.mobile-drawer a svg { width: 18px; height: 18px; }
.mobile-drawer a:hover, .mobile-drawer a.is-current { background: var(--bg-panel-2); color: var(--text); }
.mobile-drawer a.is-current svg { color: var(--accent); }
.mobile-drawer__languages { border-top: 1px solid var(--border); margin-top: 12px; padding-top: 12px; }
.nav-veil { position: fixed; inset: var(--header-h) 0 0; z-index: 40; border: 0; background: color-mix(in srgb, var(--ink-mask) 65%, var(--transparent)); color: var(--text); }
.hero { position: relative; display: flex; align-items: center; min-height: max(720px, calc(100vh - var(--header-h) - 44px)); overflow-x: clip; isolation: isolate; }
.hero__field { position: absolute; inset: 0; z-index: -1; background-image: radial-gradient(circle at center, color-mix(in srgb, var(--text-muted) 34%, var(--transparent)) 1px, var(--transparent) 1.6px); background-size: 22px 22px; mask-image: radial-gradient(ellipse 42% 58% at 74% 60%, var(--ink-mask), var(--transparent) 78%); opacity: .5; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 45%); gap: 48px; align-items: center; }
.hero__copy { max-width: 600px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 26px; padding: 6px 12px 6px 10px; border: 1px solid var(--border); border-radius: var(--radius-ctl); background: var(--panel-sheen), var(--bg-panel); color: var(--text-muted); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .02em; max-width: 100%; }
.eyebrow__dot { width: 7px; height: 7px; flex-shrink: 0; border-radius: var(--radius-round); background: var(--success); color: var(--bg); box-shadow: 0 0 0 3px color-mix(in srgb, var(--success) 16%, var(--transparent)), 0 0 10px color-mix(in srgb, var(--success) 65%, var(--transparent)); }
.eyebrow__sep { color: var(--text-muted); }
.hero h1 .h1-line { display: block; }
.lede { margin: 0 0 34px; max-width: 540px; font-size: 16.5px; line-height: 1.78; color: var(--text-muted); }
.lede strong { color: var(--text); font-weight: var(--weight-semibold); }
.lede a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.specs { position: relative; display: grid; gap: 16px; padding-top: 26px; margin: 0; }
.specs::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--line-fade); color: var(--text); }
.specs__row { display: flex; align-items: center; gap: 18px; min-width: 0; }
.specs dt { flex: 0 0 40px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; color: var(--text-muted); }
.specs dd { margin: 0; min-width: 0; }
.platforms { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.platforms a { display: inline-flex; align-items: center; gap: 8px; min-height: 28px; font-size: 14px; font-weight: var(--weight-medium); color: var(--text-muted); }
.platforms svg { width: 16px; height: 16px; }
.platforms a:hover { color: var(--text); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li, .chip { display: inline-flex; align-items: center; min-height: 26px; padding: 3px 10px; max-width: 100%; border: 1px solid var(--border); border-radius: var(--radius-ctl); background: var(--panel-sheen), var(--bg-panel); color: var(--text-muted); font-family: var(--font-mono); font-size: 12px; overflow-wrap: anywhere; }
.hero__visual { position: relative; justify-self: end; width: 100%; max-width: 480px; aspect-ratio: 470 / 580; }
.hero__halo { position: absolute; inset: 14% -22% -18% 4%; z-index: -1; background: radial-gradient(closest-side at 62% 60%, color-mix(in srgb, var(--accent-pink) 30%, var(--transparent)), color-mix(in srgb, var(--accent) 22%, var(--transparent)) 32%, color-mix(in srgb, var(--accent-dark) 18%, var(--transparent)) 58%, var(--transparent)); color: var(--text); pointer-events: none; }
.hero__floor { position: absolute; inset: 70% -4% -6%; z-index: -1; background-image: radial-gradient(circle, color-mix(in srgb, var(--accent) 60%, var(--transparent)) 1.1px, var(--transparent) 1.8px); background-size: 14px 14px; mask-image: radial-gradient(ellipse, var(--ink-mask), var(--transparent) 70%); transform: perspective(620px) rotateX(58deg); opacity: .55; }
.prism { width: 100%; height: 100%; overflow: visible; }
.prism .st-a { stop-color: var(--accent); }
.prism .st-p { stop-color: var(--accent-pink); }
.prism .st-d { stop-color: var(--accent-dark); }
.prism .st-b { stop-color: var(--bg-panel); }
.prism .st-b2 { stop-color: var(--bg-panel-2); }
.prism .st-t { stop-color: var(--text); }
.prism__ghost { fill: var(--bg-panel-2); stroke: var(--border); opacity: .65; }
.prism__face { fill: url(#preview-glass); stroke: url(#preview-edge); stroke-width: 1.2; }
.prism__side { fill: var(--bg-panel); stroke: url(#preview-edge); stroke-width: .7; opacity: .8; }
.prism__edge { fill: none; stroke: url(#preview-edge); stroke-width: 1.4; }
.prism__bloom { fill: url(#preview-core); }
.prism__wire { fill: none; stroke: url(#preview-wire); stroke-width: 1.1; }
.prism__node { fill: var(--accent-pink); }
.prism__key { font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; fill: var(--text); }
.peek { position: relative; padding-top: 30px; padding-bottom: 64px; }
.peek::before { content: ""; position: absolute; top: 0; left: var(--gutter); right: var(--gutter); height: 1px; background: linear-gradient(90deg, var(--transparent), var(--border) 18%, var(--border) 82%, var(--transparent)); color: var(--text); }
.peek__eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.peek__eyebrow::before { content: ""; width: 2px; height: 14px; border-radius: var(--radius-ctl); background: var(--grad-accent); color: var(--text); }
.peek__title { font-size: 32px; margin: 0; }
.footer { padding-top: 64px; padding-bottom: 28px; border-top: 1px solid var(--border); }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr .8fr; gap: 48px; }
.footer__intro { max-width: 320px; color: var(--text-muted); font-size: 14px; margin-top: 20px; }
.footer__title { font-size: 13px; margin: 0 0 20px; color: var(--text); }
.footer__links { list-style: none; padding: 0; margin: 0; }
.footer__links a { display: inline-block; padding-block: 5px; color: var(--text-muted); font-size: 13px; overflow-wrap: anywhere; }
.footer__links a:hover { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.footer__links [aria-current="true"] { color: var(--text); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 12px; }
.footer__legal { display: flex; gap: 24px; flex-wrap: wrap; }
.reveal { opacity: 1; transform: none; }
.reveal-pending .reveal:not(.shown) { opacity: 0; transform: translateY(18px); }
.reveal-pending .reveal { transition: opacity .65s var(--ease), transform .65s var(--ease); }
@media (max-width: 1279px) {
  .topbar__row { gap: 24px; }
  .mainnav { display: none; }
  .header-tools { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
  .mobile-drawer:not([hidden]) { display: block; }
}
@media (min-width: 1280px) {
  .nav-veil { display: none; }
}
@media (max-width: 960px) {
  .hero { min-height: 0; padding-top: 48px; padding-bottom: 40px; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .hero__copy { max-width: none; }
  .hero__visual { justify-self: center; max-width: 340px; }
  .cta { gap: 22px; margin-bottom: 32px; }
  .lede { font-size: 15.5px; }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .grid--three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  h1, .hero h1 { font-size: clamp(24px, 4vw, 30px); }
}
@media (max-width: 640px) {
  :root { --gutter: 20px; --section-space: 56px; }
  .grid--two, .grid--three { grid-template-columns: minmax(0, 1fr); }
  .tilt, [data-tilt] { transform: none !important; }
  .panel, .card { padding: 20px; }
  .brand { gap: 8px; }
  .brand__name { font-size: 14px; }
  .brand__mark { width: 26px; height: 26px; }
  .topbar__row { gap: 8px; }
  .header-tools { margin-left: auto; gap: 6px; }
  .lang { min-height: 44px; padding-inline: 10px; }
  .lang__full { display: none; }
  .lang__short { display: inline; }
  .lang > svg { display: none; }
  .specs__row { align-items: flex-start; }
  .specs dt { padding-top: 4px; }
  .platforms { gap: 14px 20px; }
  .hero__visual { max-width: 290px; }
  .peek__title { font-size: 24px; }
  .footer__grid { gap: 28px 20px; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 360px) {
  :root { --gutter: 16px; }
  .brand__name { font-size: 12px; }
  .brand__mark { width: 24px; height: 24px; }
  .eyebrow { font-size: 11px; padding-inline: 8px; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal-pending .reveal:not(.shown) { opacity: 1; transform: none; }
}