:root {
  color-scheme: dark;
  --bg: #0E0832;
  --bg-panel: #18104A;
  --bg-panel-2: #F7F6FB;
  --border: #2C2463;
  --accent: #6C4DFF;
  --accent-dark: #4A2FD6;
  --accent-2: #3D7BFF;
  --magenta: #E23C9A;
  --text: #F3F1FF;
  --text-muted: #A9A3CF;
  --text-dim: rgba(243,241,255,.58);
  --success: #2FD08A;
  --warn: #F5B53D;
  --error: #FF5C6C;
  --ink: #15112E;
  --ink-muted: #5D5880;
  --ink-faint: #A6A2BF;
  --line-light: #E6E3F2;
  --white: #FFFFFF;
  --surface-soft: #FBFAFE;
  --accent-soft: #EEEAFF;
  --chrome-dot: #D9D6E6;
  --panel-glass: rgba(24,16,74,.55);
  --panel-glass-soft: rgba(24,16,74,.38);
  --nav-active: rgba(243,241,255,.08);
  --star-strong: rgba(255,255,255,.5);
  --star-soft: rgba(255,255,255,.26);
  --shadow-deep: rgba(5,2,22,.62);
  --shadow-soft: rgba(21,17,46,.06);
  --shadow-soft-2: rgba(21,17,46,.08);
  --glow-accent: rgba(108,77,255,.2);
  --glow-accent-ring: rgba(108,77,255,.14);
  --glow-blue: rgba(61,123,255,.34);
  --glow-magenta: rgba(226,60,154,.36);
  --magenta-ring: rgba(226,60,154,.2);
  --halo: rgba(88,78,206,.30);
  --halo-blue: rgba(61,123,255,.14);
  --btn-sheen: rgba(255,255,255,.18);
  --btn-shadow: rgba(108,77,255,.36);
  --orb-core: rgba(14,8,50,.78);
  --orb-clear: rgba(14,8,50,0);
  --clear: transparent;
  --text-gradient-start: #8C74FF;
  --text-gradient-end: #5F96FF;
  --grad-accent: linear-gradient(90deg,var(--accent) 0%,var(--accent-2) 100%);
  --grad-accent-diag: linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);
  --grad-text-dark: linear-gradient(90deg,var(--text-gradient-start),var(--text-gradient-end));
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --radius-round: 50%;
  --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,-apple-system,'Segoe UI',sans-serif;
  --font-mono: 'JetBrains Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-bold: 600;
  --size-display: clamp(34px,3.4vw,48px);
  --size-h2: clamp(26px,2.6vw,38px);
  --size-h3: 20px;
  --size-body: 16px;
  --size-small: 13px;
  --gutter: clamp(16px,4vw,48px);
  --content-width: 1180px;
  --header-width: 1280px;
  --reading-width: 800px;
  --header-height: 68px;
  --shadow-panel: 0 1px 2px var(--shadow-soft),0 18px 44px -18px var(--shadow-soft-2),0 10px 40px -24px var(--glow-accent);
  --ease: cubic-bezier(.2,.7,.3,1);
  --duration: .2s;
}

*,*::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 {
  font-family: var(--font-body);
  font-size: var(--size-body);
  font-weight: var(--weight-regular);
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button,input,select,textarea { font: inherit; }
button { cursor: pointer; }
button,input,select,textarea { max-width: 100%; }
button { color: inherit; }
img,svg { display: block; max-width: 100%; }
img { height: auto; }
svg { flex-shrink: 0; }
button,a,input,select,textarea,summary { -webkit-tap-highlight-color: var(--glow-accent); }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: var(--radius-sm); }
::selection { background: var(--accent-soft); color: var(--ink); }
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: var(--weight-regular); text-wrap: balance; }
h1 { font-size: var(--size-display); line-height: 1.12; letter-spacing: -.015em; }
h2 { font-size: var(--size-h2); line-height: 1.2; letter-spacing: -.01em; }
h3 { font-size: var(--size-h3); line-height: 1.4; }
p { margin: 0 0 1em; }
strong { font-weight: var(--weight-bold); }
code,kbd,pre,samp { font-family: var(--font-mono); }
code { overflow-wrap: anywhere; }
pre { max-width: 100%; min-width: 0; overflow-x: auto; padding: 20px; font-size: 13px; line-height: 1.8; background: var(--bg-panel-2); color: var(--ink); border: 1px solid var(--line-light); border-radius: var(--radius-md); }
pre code { overflow-wrap: normal; word-break: normal; white-space: pre; }
hr { border: 0; border-top: 1px solid var(--line-light); margin-block: 32px; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.wrap { width: 100%; max-width: calc(var(--content-width) + var(--gutter)*2); margin-inline: auto; padding-inline: var(--gutter); }
.reading { max-width: calc(var(--reading-width) + var(--gutter)*2); }
.section { padding-top: 88px; padding-bottom: 104px; }
.light,.product { color-scheme: light; background: var(--bg-panel-2); color: var(--ink); }
.product { padding-top: 88px; padding-bottom: 104px; }
.night,.hero,.stage,.decorated { overflow-x: clip; }
.night {
  position: relative;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 23px 41px,var(--star-strong) 0 1px,var(--clear) 1.6px),
    radial-gradient(circle at 131px 17px,var(--star-strong) 0 .8px,var(--clear) 1.4px),
    radial-gradient(circle at 177px 139px,var(--star-strong) 0 1px,var(--clear) 1.6px),
    radial-gradient(circle at 74px 182px,var(--star-strong) 0 .7px,var(--clear) 1.3px),
    radial-gradient(circle at 61px 97px,var(--star-soft) 0 .8px,var(--clear) 1.4px),
    radial-gradient(circle at 239px 268px,var(--star-soft) 0 1px,var(--clear) 1.6px),
    radial-gradient(circle at 312px 54px,var(--star-soft) 0 .7px,var(--clear) 1.3px),
    radial-gradient(circle at 168px 321px,var(--star-soft) 0 .9px,var(--clear) 1.5px);
  background-size: 211px 211px,211px 211px,211px 211px,211px 211px,347px 347px,347px 347px,347px 347px,347px 347px;
}
.nowrap { white-space: nowrap; }
.grid-two { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.grid-three { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.grid-two > *,.grid-three > *,.product-grid > *,.footer-grid > * { min-width: 0; }
.panel,.card { min-width: 0; background: var(--white); color: var(--ink); border: 1px solid var(--line-light); border-radius: var(--radius-md); box-shadow: var(--shadow-panel); }
.card { padding: 28px; }
.card h3 { margin-top: 0; }
.card p { color: var(--ink-muted); }
.panel-head { padding: 14px 20px; border-bottom: 1px solid var(--line-light); background: var(--surface-soft); color: var(--ink-muted); font-size: var(--size-small); }
.panel-body { padding: 28px; min-width: 0; }
.accent { background: var(--grad-text-dark); background-clip: text; -webkit-background-clip: text; color: var(--clear); }
.light .accent,.product .accent { background-image: var(--grad-accent); }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: var(--weight-medium); color: var(--text-gradient-end); }
.light .text-link,.product .text-link,.card .text-link,.panel .text-link { color: var(--accent-dark); }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 10px 24px; border: 1px solid var(--clear); border-radius: var(--radius-sm);
  font-size: 15px; font-weight: var(--weight-medium); line-height: 1.5; letter-spacing: .01em;
  text-align: center; transition: transform var(--duration),box-shadow var(--duration),border-color var(--duration);
}
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.btn-primary { background: var(--grad-accent); color: var(--white); box-shadow: inset 0 1px 0 var(--btn-sheen),0 10px 26px -6px var(--btn-shadow); }
.btn-primary:hover,.btn-primary.is-hover { transform: translateY(-1px); box-shadow: inset 0 1px 0 var(--btn-sheen),0 14px 30px -6px var(--btn-shadow); }
.btn:active,.btn.is-pressed { transform: translateY(1px); }
.btn-ghost { background: var(--panel-glass); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-secondary { background: var(--white); color: var(--accent-dark); border-color: var(--line-light); }
.btn-secondary:hover { border-color: var(--accent); }
.btn:disabled,.btn[aria-disabled="true"] { background: var(--line-light); color: var(--ink-muted); border-color: var(--line-light); box-shadow: none; cursor: not-allowed; transform: none; }
.btn[aria-disabled="true"] { pointer-events: none; }
.btn.is-focus { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.cta-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.topbar,#site-header { position: relative; z-index: 50; background: var(--clear); color: var(--text); }
.header-shell { width: 100%; max-width: min(100%,calc(var(--header-width) + var(--gutter)*2)); height: var(--header-height); margin-inline: auto; padding-inline: var(--gutter); display: flex; align-items: center; gap: 20px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; font-size: 16px; color: var(--text); letter-spacing: .01em; }
.brand img { width: 30px; height: 30px; flex-shrink: 0; }
.primary-nav { min-width: 0; margin-left: auto; }
.nav-list { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; gap: 2px; }
.nav-list a { display: inline-flex; align-items: center; justify-content: center; min-height: 34px; padding: 4px 13px; font-size: 14px; white-space: nowrap; color: var(--text-muted); border: 1px solid var(--clear); border-radius: var(--radius-md); transition: color var(--duration),background-color var(--duration); }
.nav-list a:hover { color: var(--text); }
.nav-list a[aria-current="page"] { color: var(--text); background: var(--nav-active); border-color: var(--border); }
.header-tools { display: flex; align-items: center; flex-shrink: 0; gap: 8px; }
.language-picker { position: relative; }
.lang-switch { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 34px; padding: 5px 12px; font-size: 13px; color: var(--text-muted); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--panel-glass-soft); white-space: nowrap; }
.lang-switch svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.lang-menu { position: absolute; right: 0; top: calc(100% + 8px); z-index: 6; width: 184px; padding: 6px; margin: 0; list-style: none; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-panel); color: var(--text); box-shadow: 0 16px 40px var(--shadow-deep); }
.lang-menu a { display: flex; align-items: center; min-height: 44px; padding: 8px 12px; border-radius: var(--radius-sm); }
.lang-menu a:hover,.lang-menu a[aria-current="true"] { background: var(--nav-active); color: var(--text); }
.menu-toggle { display: none; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-panel); color: var(--text); }
.menu-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.mobile-drawer { display: none; }
.nav-veil { position: fixed; inset: var(--header-height) 0 0; z-index: 1; border: 0; background: var(--shadow-deep); color: var(--text); }
.lang-short { display: none; }
.preview-language { position: relative; }
.preview-language summary { list-style: none; cursor: pointer; }
.preview-language summary::-webkit-details-marker { display: none; }

.hero { position: relative; padding-top: clamp(40px,6.5vh,88px); text-align: center; }
.hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; min-height: 30px; padding: 3px 14px 3px 12px; margin: 1em 0; font-size: 13px; color: var(--text-muted); letter-spacing: .02em; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--panel-glass); }
.eyebrow-dot { width: 7px; height: 7px; border-radius: var(--radius-round); flex-shrink: 0; background: var(--magenta); color: var(--white); box-shadow: 0 0 0 4px var(--magenta-ring),0 0 10px var(--glow-magenta); }
.hero h1 { margin: 24px 0 0; color: var(--text); }
.lede { margin: 22px 0 0; font-size: 16px; line-height: 1.7; color: var(--text-muted); }
.lede strong { color: var(--text); font-weight: var(--weight-medium); }
.platforms { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.platforms a { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 32px; padding: 4px 13px; font-size: 13px; color: var(--text-muted); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--panel-glass-soft); transition: color var(--duration),border-color var(--duration); }
.platforms a:hover { color: var(--text); border-color: var(--accent); }
.platforms svg { width: 14px; height: 14px; flex-shrink: 0; }

.eco { position: relative; padding-top: 76px; padding-bottom: 84px; text-align: center; }
.eco-title { margin: 0; font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--text-muted); }
.eco-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; max-width: 980px; margin: 34px auto 0; padding: 0; list-style: none; }
.eco-row li { font-family: var(--font-display); font-size: 21px; color: var(--text-muted); letter-spacing: -.005em; }
.eco-row .mono { font-family: var(--font-mono); font-size: 20px; letter-spacing: .02em; }
.facts { display: flex; flex-wrap: wrap; justify-content: center; width: fit-content; max-width: 100%; margin: 0 auto; font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); border: 1px solid var(--line-light); border-radius: var(--radius-md); background: var(--white); box-shadow: 0 1px 2px var(--shadow-soft); }
.facts span { padding: 9px 18px; border-left: 1px solid var(--line-light); }
.facts span:first-child { border-left: 0; }
.product-grid { display: grid; grid-template-columns: minmax(0,40fr) minmax(0,60fr); gap: 56px; align-items: center; margin-top: 64px; }
.product h2 { margin: 0; }
.product p { margin-top: 18px; font-size: 15px; line-height: 1.8; color: var(--ink-muted); }
.prose { min-width: 0; }
.prose h2 { margin: 2em 0 .7em; scroll-margin-top: 24px; }
.prose h3 { margin-top: 1.5em; }
.prose p,.prose li { overflow-wrap: break-word; }
.prose a:not(.btn) { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.prose code:not(pre code) { background: var(--accent-soft); color: var(--ink); padding: 2px 5px; border-radius: var(--radius-xs); font-size: .88em; }
.prose ul,.prose ol { padding-left: 1.5em; }

.site-foot,#site-footer { background: var(--bg); color: var(--text-muted); border-top: 1px solid var(--border); font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .85fr 1.2fr .7fr; gap: 40px; padding-top: 64px; padding-bottom: 48px; }
.footer-brand p { margin-top: 18px; max-width: 28em; }
.footer-title { margin: 0 0 16px; font-size: 14px; font-weight: var(--weight-medium); color: var(--text); }
.footer-list { display: grid; gap: 9px; list-style: none; margin: 0; padding: 0; }
.site-foot a:hover,#site-footer a:hover { color: var(--text); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-top: 20px; padding-bottom: 24px; border-top: 1px solid var(--border); }
.foot-links { display: flex; flex-wrap: wrap; gap: 20px; }
.reveal { opacity: 1; transform: none; }
.reveal-pending .reveal:not(.shown) { opacity: 0; transform: translateY(14px); }
.reveal-pending .reveal { transition: opacity .55s var(--ease),transform .55s var(--ease); }
.reveal.shown { opacity: 1; transform: none; }

@media (max-width:1100px) {
  .primary-nav { display: none; }
  .header-tools { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
  .mobile-drawer:not([hidden]) { display: block; position: absolute; left: 0; right: 0; top: var(--header-height); z-index: 4; max-height: calc(100dvh - var(--header-height)); overflow-y: auto; overscroll-behavior: contain; padding: 16px var(--gutter) 24px; background: var(--bg-panel); color: var(--text); border-bottom: 1px solid var(--border); }
  .mobile-drawer ul { list-style: none; margin: 0; padding: 0; }
  .mobile-drawer a { display: flex; align-items: center; justify-content: flex-start; width: 100%; min-height: 44px; padding: 10px 14px; border: 1px solid var(--clear); border-radius: var(--radius-sm); color: var(--text-muted); }
  .mobile-drawer a[aria-current] { background: var(--nav-active); color: var(--text); border-color: var(--border); }
  .drawer-languages { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 12px; }
}
@media (max-width:960px) {
  .product-grid { grid-template-columns: minmax(0,1fr); gap: 32px; }
  .eco-row { justify-content: center; gap: 16px 28px; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width:768px) {
  :root { --size-display: clamp(24px,4.5vw,30px); --size-h2: clamp(24px,4vw,30px); }
  .grid-three { grid-template-columns: minmax(0,1fr); }
  .section,.product { padding-top: 56px; padding-bottom: 64px; }
}
@media (max-width:640px) {
  .grid-two { grid-template-columns: minmax(0,1fr); }
  .tilt,[data-tilt] { transform: none !important; }
  .card,.panel-body { padding: 20px; }
  .brand { font-size: 14px; gap: 7px; }
  .header-shell { gap: 8px; }
  .header-tools { margin-left: auto; gap: 6px; }
  .lang-full { display: none; }
  .lang-short { display: inline; }
  .lang-switch { padding-inline: 9px; }
  .lang-switch svg { display: none; }
  .footer-grid { gap: 32px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .lede { font-size: 15px; }
  .facts span { padding: 8px 11px; }
  .platforms { gap: 8px; }
  .platforms a { padding-inline: 10px; }
}
@media (max-width:560px) {
  .cta-row { flex-direction: column; width: 100%; max-width: 320px; }
  .hero h1 { font-size: clamp(24px,5.1vw,28px); }
}
@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; }
}