:root {
  --c-bg: #ffffff;
  --c-bg-panel: #f4f4f2;
  --c-border: #e3e4e2;
  --c-border-strong: #cfd1ce;
  --c-text: #18191a;
  --c-text-muted: #5c615f;
  --c-text-faint: #8a8f8d;
  --c-ink: #1b1c1d;
  --c-ink-hover: #2b2c2d;
  --c-on-dark: #ffffff;
  --c-plaque: #4c4e4d;
  --c-plaque-label: rgba(255, 255, 255, 0.74);
  --c-accent: #00b39b;
  --c-accent-dark: #00806e;
  --c-accent-tint: #e5f6f3;
  --c-accent-ring: rgba(0, 179, 155, 0.38);
  --c-forest: #003f2c;
  --c-forest-lift: #034a34;
  --c-forest-floor: #0a5139;
  --c-forest-floor-2: #0d5b40;
  --c-lime: #c8ee4f;
  --c-lime-soft: #e2f6a3;
  --c-accent-soft: #63d8c6;
  --c-success: #14a06a;
  --c-warn: #e0a015;
  --c-error: #d93a3a;
  --c-alu-1: #eef0ef;
  --c-alu-2: #c9cecc;
  --c-alu-3: #9aa09e;
  --c-alu-4: #727876;
  --c-ti-1: #e3e6e4;
  --c-ti-2: #b2b7b5;
  --c-ti-3: #858b89;
  --c-bezel-hl: rgba(255, 255, 255, 0.10);
  --c-floor-shadow: #00140c;
  --c-arc-1: rgba(255, 255, 255, 0.46);
  --c-arc-2: rgba(255, 255, 255, 0.28);
  --c-arc-3: rgba(255, 255, 255, 0.16);
  --c-sheen: rgba(255, 255, 255, 0.20);
  --c-transparent: rgba(255, 255, 255, 0);
  --c-card-ring: rgba(0, 63, 44, 0.07);
  --c-card-edge: #e6e9e7;
  --c-veil: rgba(0, 20, 12, 0.36);
  --sh-stage: 0 56px 96px -56px rgba(0, 63, 44, 0.42), 0 20px 44px -28px rgba(0, 63, 44, 0.24);
  --sh-float: 0 0 0 1px var(--c-card-ring), 0 3px 0 -1px var(--c-card-edge), 0 14px 26px -12px rgba(0, 38, 26, 0.30), 0 40px 70px -30px rgba(0, 28, 19, 0.46);
  --sh-bubble: 0 10px 22px -10px rgba(0, 20, 12, 0.55);
  --sh-phone: 0 2px 0 rgba(255, 255, 255, 0.18) inset, 0 30px 46px -22px rgba(0, 18, 11, 0.70), 0 8px 18px -8px rgba(0, 18, 11, 0.45);
  --sh-btn: 0 8px 18px -10px rgba(24, 25, 26, 0.55);
  --sh-card: 0 18px 48px -28px rgba(0, 63, 44, 0.24);
  --f-display: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --f-body: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --r-btn: 12px;
  --r-card: 24px;
  --r-panel: 40px;
  --r-shot: 10px;
  --r-pill: 999px;
  --r-logo: 28%;
  --r-focus: 6px;
  --r-small: 4px;
  --r-stage-mobile: 28px;
  --wrap: 1280px;
  --reading: 840px;
  --gutter: 40px;
  --h-head: 72px;
  --section-space: 140px;
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 40px;
  --s-8: 56px;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lead: 20px;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --tracking-title: -0.02em;
  --motion-fast: 180ms;
  --motion-reveal: 600ms;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html.nav-open { overflow: hidden; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--c-accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.2em; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a { -webkit-tap-highlight-color: var(--c-transparent); }
button:disabled, [aria-disabled="true"] { cursor: not-allowed; }
img, svg { max-width: 100%; }
img { display: block; }
svg, .pulse, .ico, .tick { flex-shrink: 0; }
p, h1, h2, h3, h4, figure, dl, dd { margin: 0; }
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-title);
  text-wrap: balance;
  overflow-wrap: break-word;
}
h1 { font-size: clamp(34px, 3.4vw, 48px); line-height: 1.14; }
h2 { font-size: clamp(26px, 2.6vw, 36px); line-height: 1.25; }
h3 { font-size: 22px; line-height: 1.4; }
h4 { font-size: 18px; line-height: 1.4; }
ul, ol { padding-left: 1.5em; }
:focus-visible { outline: 2px solid var(--c-accent-dark); outline-offset: 3px; border-radius: var(--r-focus); }
[hidden] { display: none !important; }
[id] { scroll-margin-top: calc(var(--h-head) + var(--s-5)); }
code, pre { font-family: var(--f-mono); }
code { overflow-wrap: anywhere; font-size: 0.9em; }
pre {
  max-width: 100%;
  min-width: 0;
  margin: 0;
  padding: var(--s-5);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  border-radius: var(--r-btn);
  background: var(--c-forest);
  color: var(--c-on-dark);
  line-height: 1.8;
  text-align: left;
}
pre code { font-size: var(--text-sm); white-space: pre; overflow-wrap: normal; word-break: normal; }
.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  padding-inline: var(--gutter);
  margin-inline: auto;
}
.reading { max-width: calc(var(--reading) + var(--gutter) * 2); }
.section { padding-top: var(--section-space); padding-bottom: var(--section-space); }
.section + .section { padding-top: 0; }
.section--neutral { background: var(--c-bg-panel); color: var(--c-text); }
.section--neutral + .section { padding-top: var(--section-space); }
.section-head { max-width: 740px; margin-bottom: var(--s-7); }
.section-head p { margin-top: var(--s-4); color: var(--c-text-muted); }
.stack > * + * { margin-top: var(--s-5); }
.grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--s-5); }
.grid-three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--s-5); }
.grid-two > *, .grid-three > *, .hero__grid > *, .footer-grid > * { min-width: 0; }
.keep { white-space: nowrap; }
.muted { color: var(--c-text-muted); }
.mono { font-family: var(--f-mono); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 100;
  left: var(--gutter);
  top: var(--s-3);
  padding: var(--s-3) var(--s-4);
  background: var(--c-ink);
  color: var(--c-on-dark);
  border-radius: var(--r-btn);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  max-width: 100%;
  padding: 12px 24px;
  border: 0;
  border-radius: var(--r-btn);
  font-family: var(--f-body);
  font-size: 15.5px;
  font-weight: var(--weight-semibold);
  line-height: 1.4;
  letter-spacing: -0.005em;
  text-align: center;
  transition: transform var(--motion-fast) ease;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn--ink { background: var(--c-ink); color: var(--c-on-dark); box-shadow: var(--sh-btn); }
.btn--ink:hover, .btn--ink.is-hover { background: var(--c-ink-hover); color: var(--c-on-dark); }
.btn--accent { background: var(--c-accent); color: var(--c-text); }
.btn--accent:hover { background: var(--c-accent-soft); color: var(--c-text); }
.btn--line { background: var(--c-bg); color: var(--c-text); border: 1.5px solid var(--c-border-strong); }
.btn--line:hover { border-color: var(--c-text-muted); }
.btn--sm { min-height: 40px; padding: 9px 16px; font-size: var(--text-sm); box-shadow: none; }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--c-bg-panel); color: var(--c-text-muted); box-shadow: none; transform: none; }
.btn.is-focus { outline: 2px solid var(--c-accent-dark); outline-offset: 3px; }
.btn__glyph { width: 18px; height: 18px; fill: currentColor; }
.btn__arrow { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }
.card { padding: var(--s-6); border: 1px solid var(--c-border); border-radius: var(--r-card); background: var(--c-bg); color: var(--c-text); box-shadow: var(--sh-card); }
.card p { margin-top: var(--s-3); }
.panel { padding: var(--s-8); border-radius: var(--r-panel); background: var(--c-bg-panel); color: var(--c-text); }
.panel--forest { background: var(--c-forest); color: var(--c-on-dark); }
.panel--ink { background: var(--c-ink); color: var(--c-on-dark); }
.panel--forest a:not(.btn), .panel--ink a:not(.btn) { color: var(--c-accent-soft); }
.panel--forest .muted, .panel--ink .muted,
.panel--forest .section-head p, .panel--ink .section-head p { color: var(--c-alu-2); }
.prose { min-width: 0; }
.prose > * + *, .article-body > * + * { margin-top: var(--s-5); }
.prose h2, .article-body h2 { margin-top: var(--s-8); }
.prose h3, .article-body h3 { margin-top: var(--s-6); }
.prose p, .article-body p { line-height: 1.85; }
.prose li + li { margin-top: var(--s-2); }
.prose img { max-width: 100%; height: auto; }
.article-body { min-width: 0; }
.masthead { position: relative; z-index: 40; background: var(--c-bg); color: var(--c-text); border-bottom: 1px solid var(--c-border); }
.masthead__row {
  position: relative;
  width: 100%;
  max-width: min(100%, calc(1280px + var(--gutter) * 2));
  min-height: var(--h-head);
  padding-inline: var(--gutter);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--s-5);
}
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; font-family: var(--f-display); font-weight: var(--weight-bold); font-size: 17px; letter-spacing: -0.01em; color: var(--c-text); }
.brand:hover { text-decoration: none; }
.brand__mark { width: 32px; height: 32px; flex-shrink: 0; border-radius: var(--r-logo); }
.brand__name { min-width: 0; }
.primary-nav { min-width: 0; margin-left: auto; }
.primary-nav__list { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; gap: 2px; }
.primary-nav__link { display: inline-flex; align-items: center; min-height: 36px; padding: 7px 15px; border-radius: var(--r-pill); font-size: 14.5px; font-weight: var(--weight-medium); color: var(--c-text-muted); white-space: nowrap; }
.primary-nav__link:hover { background: var(--c-bg-panel); color: var(--c-text); text-decoration: none; }
.primary-nav__link.is-current { background: var(--c-ink); color: var(--c-on-dark); }
.masthead__tools { display: flex; align-items: center; gap: var(--s-2); flex-shrink: 0; }
.language-picker { position: relative; }
.lang { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 8px 12px; border: 0; border-radius: var(--r-pill); background: var(--c-bg); color: var(--c-text-muted); font-size: var(--text-sm); font-weight: var(--weight-medium); white-space: nowrap; }
.lang:hover { background: var(--c-bg-panel); color: var(--c-text); }
.lang__short { display: none; }
.lang__caret { font-size: 11px; }
.language-menu { position: absolute; z-index: 4; right: 0; top: calc(100% + 12px); min-width: 180px; margin: 0; padding: var(--s-2); list-style: none; border: 1px solid var(--c-border); border-radius: var(--r-btn); background: var(--c-bg); color: var(--c-text); box-shadow: var(--sh-card); }
.language-menu a { display: flex; align-items: center; min-height: 44px; padding: 10px 12px; border-radius: var(--r-focus); color: var(--c-text-muted); }
.language-menu a:hover, .language-menu a[aria-current] { background: var(--c-bg-panel); color: var(--c-text); text-decoration: none; }
.menu-toggle { display: none; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; padding: 10px; border: 1px solid var(--c-border); border-radius: var(--r-btn); background: var(--c-bg); color: var(--c-text); }
.menu-toggle svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.mobile-drawer { display: none; }
.nav-veil { position: fixed; z-index: 30; inset: var(--h-head) 0 0; border: 0; padding: 0; width: 100%; background: var(--c-veil); color: var(--c-text); }
.site-footer { padding-top: 72px; padding-bottom: var(--s-6); border-top: 1px solid var(--c-border); background: var(--c-bg-panel); color: var(--c-text); }
.footer-grid { display: grid; grid-template-columns: 1.35fr 0.8fr 1fr 0.7fr; gap: var(--s-7); }
.footer-brand p { max-width: 30em; margin-top: var(--s-5); color: var(--c-text-muted); font-size: var(--text-sm); }
.footer-heading { margin-bottom: var(--s-4); font-size: var(--text-sm); font-weight: var(--weight-bold); }
.footer-links { display: grid; gap: var(--s-2); margin: 0; padding: 0; list-style: none; }
.footer-links a { display: inline-block; padding-block: var(--s-1); color: var(--c-text-muted); font-size: var(--text-sm); overflow-wrap: anywhere; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s-4); margin-top: var(--s-8); padding-top: var(--s-5); border-top: 1px solid var(--c-border); font-size: var(--text-xs); color: var(--c-text-muted); }
.footer-legal { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.footer-legal a { color: var(--c-text-muted); }
.reveal { opacity: 1; transform: none; }
.reveal-ready .reveal:not(.shown) { opacity: 0; transform: translateY(18px); }
.reveal-ready .reveal { transition: opacity var(--motion-reveal) ease, transform var(--motion-reveal) ease; }
.reveal-ready .reveal.shown { opacity: 1; transform: none; }
.hero, .decorated-section { overflow-x: clip; }
.hero { display: flex; align-items: center; min-height: clamp(600px, calc(100vh - var(--h-head) - 80px), 880px); padding-top: 24px; padding-bottom: 24px; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 45fr) minmax(0, 55fr); gap: 56px; align-items: center; }
.hero__copy { padding-right: 8px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; min-height: 32px; max-width: 100%; padding: 5px 14px 5px 12px; border: 1px solid var(--c-border); border-radius: var(--r-pill); background: var(--c-bg); color: var(--c-text-muted); font-size: 13px; font-weight: var(--weight-medium); }
.pulse { position: relative; width: 8px; height: 8px; border-radius: var(--r-pill); background: var(--c-accent); }
.hero__title { margin-top: 26px; font-size: clamp(34px, calc(18px + 2.1vw), 48px); line-height: 1.14; isolation: isolate; }
.hero__title-key { position: relative; display: inline-block; white-space: nowrap; }
.hero__title-key::after { content: ""; position: absolute; z-index: -1; left: -0.06em; right: -0.08em; bottom: 0.06em; height: 0.34em; border-radius: var(--r-small); background: var(--c-lime); }
.hero__lead { margin-top: 22px; max-width: 31em; font-size: 16.5px; line-height: 1.75; color: var(--c-text-muted); }
.hero__lead strong { font-weight: var(--weight-semibold); color: var(--c-text); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.device-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; margin-top: 30px; font-size: 13px; font-weight: var(--weight-medium); color: var(--c-text-muted); }
.device-row__item { display: inline-flex; align-items: center; gap: 7px; color: var(--c-text-muted); }
.ico { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.ico__dot { fill: currentColor; stroke: none; }
.device-row__sep { width: 1px; height: 16px; background: var(--c-border-strong); flex-shrink: 0; }
.chip { display: inline-flex; align-items: center; min-height: 26px; max-width: 100%; padding: 3px 11px; border: 1px solid var(--c-border); border-radius: var(--r-pill); background: var(--c-bg-panel); color: var(--c-text-muted); font-size: 12.5px; font-weight: var(--weight-semibold); overflow-wrap: anywhere; }
.facts { padding-top: 16px; padding-bottom: 140px; }
.facts__row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.plaque { min-width: 0; justify-self: center; display: grid; gap: 2px; padding: 13px 22px; border-radius: var(--r-btn); background: var(--c-plaque); color: var(--c-on-dark); text-align: center; }
.plaque__k { font-size: 11.5px; font-weight: var(--weight-medium); color: var(--c-plaque-label); }
.plaque__v { font-size: 15px; font-weight: var(--weight-semibold); letter-spacing: -0.005em; }
@media (max-width: 1180px) {
  .masthead__row { gap: var(--s-4); }
  .primary-nav { display: none; }
  .masthead__tools { margin-left: auto; }
  .menu-toggle { display: inline-flex; }
  .mobile-drawer {
    position: absolute;
    z-index: 31;
    top: 100%;
    inset-inline: 0;
    display: block;
    max-height: calc(100dvh - var(--h-head));
    padding: var(--s-4) var(--gutter) var(--s-5);
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--c-bg);
    color: var(--c-text);
    border-bottom: 1px solid var(--c-border);
    box-shadow: var(--sh-card);
  }
  .mobile-drawer ul { list-style: none; margin: 0; padding: 0; }
  .mobile-drawer a { display: flex; align-items: center; width: 100%; min-height: 48px; padding: 12px 16px; border-radius: var(--r-btn); color: var(--c-text-muted); }
  .mobile-drawer a:hover { background: var(--c-bg-panel); color: var(--c-text); text-decoration: none; }
  .mobile-drawer a.is-current { background: var(--c-ink); color: var(--c-on-dark); }
  .drawer-languages { margin-top: var(--s-4); padding-top: var(--s-4); border-top: 1px solid var(--c-border); }
  .drawer-label { margin-bottom: var(--s-2); font-size: var(--text-xs); color: var(--c-text-muted); }
}
@media (max-width: 1180px) { .hero__grid { gap: 40px; } }
@media (max-width: 960px) {
  :root { --gutter: 20px; }
  .hero { min-height: 0; padding-top: 40px; padding-bottom: 56px; }
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .hero__copy { padding-right: 0; }
  .facts__row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .plaque { justify-self: stretch; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  h1, .hero__title { font-size: clamp(24px, 4.5vw, 30px); }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .grid-two, .grid-three { grid-template-columns: minmax(0, 1fr); }
  .panel { padding: var(--s-5); }
  .card { padding: var(--s-5); }
  .tilt, [class*="tilt--"] { transform: none !important; }
  .brand { font-size: 14px; gap: var(--s-2); }
  .brand__mark { width: 28px; height: 28px; }
  .masthead__row { gap: var(--s-2); }
  .masthead__tools { margin-left: auto; gap: var(--s-1); }
  .masthead__store { display: none; }
  .lang { padding-inline: var(--s-2); min-height: 44px; }
  .lang__full { display: none; }
  .lang__short { display: inline; }
  .hero__lead { font-size: 15.5px; }
  .hero__cta .btn { flex: 1 1 100%; }
  .device-row { gap: 10px 14px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: var(--s-6); }
  .facts__row { gap: var(--s-3); }
  .plaque { padding: 13px 10px; }
  .plaque__v { font-size: var(--text-sm); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal-ready .reveal:not(.shown) { opacity: 1; transform: none; }
}