:root {
  --c-bg: #FFFFFF;
  --c-panel: #F4F4F1;
  --c-dark: #0A0C0B;
  --c-border: #E6E6E2;
  --c-accent: #79E28C;
  --c-accent-hi: #8CE89C;
  --c-accent-dark: #24803F;
  --c-text: #121413;
  --c-muted: #5E625F;
  --c-success: #23955A;
  --c-warn: #C98A12;
  --c-error: #D2453A;
  --d-cell-1: #0E1110;
  --d-cell-2: #121615;
  --d-cell-3: #191D1B;
  --d-win: #16191A;
  --d-field: #0F1211;
  --d-line: #2A2E2C;
  --d-line-soft: #212523;
  --d-line-hi: #3B413D;
  --d-on: #F4F5F2;
  --d-muted: #A0A6A1;
  --d-dim: #8E9690;
  --lamp-shade: #262A28;
  --lamp-shade-hi: #3A3F3C;
  --lamp-rod: #2F3431;
  --cat-lit: #FFFFFF;
  --cat-mid: #EEF0EC;
  --cat-shade: #C3C8C3;
  --glow-rgb: 255 244 226;
  --white-rgb: 255 255 255;
  --black-rgb: 0 0 0;
  --text-rgb: 18 20 19;
  --c-clear: transparent;
  --f-display: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --f-body: "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --r-sheet: 40px;
  --r-section: 32px;
  --r-tile: 28px;
  --r-win: 28px;
  --r-card: 24px;
  --r-btn: 12px;
  --r-field: 8px;
  --r-small: 2px;
  --r-pill: 999px;
  --r-round: 50%;
  --wrap: 1280px;
  --read: 880px;
  --gutter: 80px;
  --gap: 14px;
  --section-space: 88px;
  --header-height: 76px;
  --t-fast: .2s;
  --t-reveal: .6s;
  --focus-ring: 2px solid var(--c-accent-dark);
  --shadow-ground: 0 34px 40px -30px rgb(var(--black-rgb) / .85);
  --overlay: rgb(var(--black-rgb) / .55);
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--c-bg); color: var(--c-text); scroll-behavior: smooth; scroll-padding-top: 24px; }
html.nav-open { overflow: hidden; }
body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
[hidden] { display: none !important; }
a { color: inherit; text-underline-offset: .2em; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button, a { -webkit-tap-highlight-color: var(--c-clear); }
img, svg, video { max-width: 100%; }
img { height: auto; }
svg { vertical-align: middle; }
button svg, a svg, .facts__dot, .dot { flex-shrink: 0; }
h1, h2, h3, h4 { font-family: var(--f-display); line-height: 1.2; text-wrap: balance; }
h1 { margin: 0 0 24px; font-size: clamp(34px, 3.2vw, 48px); font-weight: 900; letter-spacing: -.02em; }
h2 { margin: 0 0 24px; font-size: clamp(28px, 3vw, 40px); font-weight: 800; letter-spacing: -.02em; }
h3 { margin: 0 0 16px; font-size: 23px; font-weight: 800; }
p { margin: 0 0 20px; }
:focus-visible { outline: var(--focus-ring); outline-offset: 3px; }
.stage :focus-visible, .topbar :focus-visible { outline-color: var(--c-accent); }
::selection { background: var(--c-accent); color: var(--c-dark); }
.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.read-wrap { max-width: calc(var(--read) + var(--gutter) * 2); }
.section { padding-top: var(--section-space); padding-bottom: var(--section-space); }
.section--compact { padding-top: 40px; padding-bottom: 40px; }
.section-heading { max-width: 780px; margin-bottom: 40px; }
.section-heading p, .muted { color: var(--c-muted); }
.nowrap { white-space: nowrap; }
.mono { font-family: var(--f-mono); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid > *, .bento > *, .footer-grid > *, .desk-tabs > *, .prose, .panel, .card { min-width: 0; }
.flow > * + * { margin-top: 24px; }
code { font-family: var(--f-mono); font-size: .88em; overflow-wrap: anywhere; }
pre {
  max-width: 100%;
  margin: 24px 0;
  padding: 24px;
  overflow-x: auto;
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-text);
  font: 14px/1.8 var(--f-mono);
  tab-size: 2;
}
pre code { font: inherit; white-space: pre; overflow-wrap: normal; word-break: normal; }
.prose { overflow-wrap: break-word; }
.prose h2 { margin-top: 64px; }
.prose h3 { margin-top: 36px; }
.prose li { margin-block: 8px; }
.prose img { display: block; }
.prose > :first-child { margin-top: 0; }
.card, .panel {
  padding: 32px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-bg);
  color: var(--c-text);
}
.panel { border-radius: var(--r-section); background: var(--c-panel); color: var(--c-text); }
.card__meta { color: var(--c-muted); font-size: 13px; }
.card__link { font-weight: 700; color: var(--c-accent-dark); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 24px;
  border: 1px solid var(--c-clear);
  border-radius: var(--r-btn);
  font: 700 16px/1.3 var(--f-body);
  text-decoration: none;
  text-align: center;
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--c-accent); color: var(--c-dark); }
.btn--primary:hover, .btn--primary.is-hover { background: var(--c-accent-hi); color: var(--c-dark); }
.btn--primary:active, .btn--primary.is-pressed { background: var(--c-accent-dark); color: var(--c-bg); }
.btn--secondary { background: var(--c-bg); color: var(--c-text); border-color: var(--c-text); }
.btn--secondary:hover { background: var(--c-panel); color: var(--c-text); }
.btn--dark { background: var(--c-dark); color: var(--d-on); }
.btn--dark:hover { background: var(--d-cell-3); color: var(--d-on); }
.btn--ghost { background: var(--c-clear); border: 1.5px solid var(--d-on); color: var(--d-on); }
.btn--ghost:hover { background: rgb(var(--white-rgb) / .07); color: var(--d-on); }
.btn:disabled, .btn[aria-disabled="true"] { background: var(--c-panel); color: var(--c-muted); border-color: var(--c-border); cursor: not-allowed; }
.btn.is-focus { outline: var(--focus-ring); outline-offset: 3px; }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* 页头使用独立的宽版心。 */
.topbar {
  position: relative;
  z-index: 50;
  background: var(--c-dark);
  color: var(--d-on);
}
.topbar__in {
  position: relative;
  width: 100%;
  max-width: min(100%, calc(1280px + var(--gutter) * 2));
  height: var(--header-height);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; color: inherit; text-decoration: none; }
.brand__mark { display: block; width: 34px; height: 34px; flex: none; }
.brand__name { font-family: var(--f-display); font-weight: 800; font-size: 17px; letter-spacing: -.01em; }
.mainnav { min-width: 0; }
.mainnav__list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 5px;
  gap: 2px;
  border: 1px solid var(--d-line);
  border-radius: var(--r-pill);
  background: var(--d-cell-2);
  color: var(--d-on);
}
.mainnav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--d-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast), background-color var(--t-fast);
}
.mainnav__link:hover { color: var(--d-on); }
.mainnav__link.is-active { background: var(--d-on); color: var(--c-dark); font-weight: 600; }
.header-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.langbox { position: relative; }
.langpick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 36px;
  padding: 9px 15px;
  border: 1px solid var(--d-line);
  border-radius: var(--r-pill);
  background: var(--c-clear);
  color: var(--d-on);
  font: 500 13.5px/1.2 var(--f-body);
}
.langpick svg { width: 15px; height: 15px; color: var(--d-muted); }
.langpick__caret { color: var(--d-muted); font-size: 11px; }
.langpick__short { display: none; }
.langmenu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 4;
  width: 190px;
  padding: 8px;
  border: 1px solid var(--d-line);
  border-radius: var(--r-btn);
  background: var(--d-cell-2);
  color: var(--d-on);
}
.langmenu a, .drawer a {
  display: flex;
  align-items: center;
  min-height: 44px;
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--r-btn);
  text-decoration: none;
}
.langmenu a:hover, .drawer a:hover { background: var(--d-cell-3); color: var(--d-on); }
.langmenu a[aria-current], .drawer a[aria-current] { background: var(--c-accent); color: var(--c-dark); }
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--d-line);
  border-radius: var(--r-btn);
  background: var(--d-cell-2);
  color: var(--d-on);
}
.menu-toggle svg { width: 22px; height: 22px; }
.drawer {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  top: 100%;
  padding: 16px var(--gutter) 24px;
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--c-dark);
  color: var(--d-on);
  border-top: 1px solid var(--d-line);
}
.drawer ul { list-style: none; margin: 0; padding: 0; }
.drawer__languages { border-top: 1px solid var(--d-line); margin-top: 16px; padding-top: 16px; }
.menu-veil { position: fixed; inset: 0; z-index: 40; border: 0; background: var(--overlay); color: var(--d-on); }

/* 拍板的首屏：静态 Bento 与单侧暖白灯光。 */
.stage {
  position: relative;
  min-height: calc(100vh - 24px);
  min-height: calc(100svh - 24px);
  display: grid;
  grid-template-rows: auto 1fr;
  padding-bottom: 40px;
  overflow-x: clip;
  background: radial-gradient(56% 46% at 88% 0%, rgb(var(--glow-rgb) / .05), rgb(var(--glow-rgb) / 0) 72%), var(--c-dark);
  color: var(--d-on);
}
.stage .topbar { background: var(--c-clear); color: var(--d-on); }
.hero { display: grid; align-content: center; padding-top: 24px; padding-bottom: 24px; }
.bento {
  display: grid;
  grid-template-columns: minmax(0, 44fr) repeat(3, minmax(0, 18.667fr));
  grid-template-rows: clamp(470px, 56vh, 540px) auto;
  grid-template-rows: clamp(470px, 56svh, 540px) auto;
  gap: var(--gap);
}
.tile { position: relative; border: 1px solid var(--d-line); border-radius: var(--r-tile); }
.tile--lead {
  grid-column: 1;
  grid-row: 1 / span 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  padding: 40px 44px 36px;
  background: var(--d-cell-2);
  color: var(--d-on);
}
.facts { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.facts__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--d-line);
  border-radius: var(--r-pill);
  font: 500 12px/1.2 var(--f-mono);
  color: var(--d-muted);
}
.facts__dot { width: 7px; height: 7px; border-radius: var(--r-round); background: var(--c-accent); color: var(--c-dark); }
.lead__title { margin: 0 0 20px; font-size: clamp(30px, 3.2vw, 46px); font-weight: 900; line-height: 1.14; letter-spacing: -.02em; color: var(--d-on); }
.hl { color: var(--c-accent); }
.lead__desc { margin: 0 0 32px; max-width: 28.5em; font-size: 16px; line-height: 1.7; color: var(--d-muted); }
.lead__desc strong { font-weight: 600; color: var(--d-on); }
.lead__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.plats { padding-top: 22px; border-top: 1px solid var(--d-line-soft); }
.plats__cap { margin: 0 0 12px; font: 500 12px/1.2 var(--f-mono); letter-spacing: .02em; color: var(--d-dim); }
.plats__list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.plats__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 13px 7px 11px;
  border: 1px solid var(--d-line);
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--d-muted);
  text-decoration: none;
}
.plats__link svg { width: 15px; height: 15px; flex: none; }
.plats__link:hover { color: var(--d-on); border-color: var(--d-line-hi); }
.tile--device {
  grid-column: 2 / span 3;
  grid-row: 1;
  overflow: hidden;
  background: radial-gradient(circle at 86% 8%, rgb(var(--glow-rgb) / .09), rgb(var(--glow-rgb) / 0) 40%), linear-gradient(180deg, var(--d-cell-1), var(--c-dark));
  color: var(--d-on);
}
.win {
  position: absolute;
  left: 44%;
  bottom: 38px;
  z-index: 2;
  width: 456px;
  border: 1px solid var(--d-line);
  border-radius: var(--r-win);
  background: var(--d-win);
  color: var(--d-on);
  transform: translateX(-50%) rotate(-4deg);
  transform-origin: 50% 100%;
  box-shadow: var(--shadow-ground);
}
.win__sheen { position: absolute; inset: 0; z-index: 1; border-radius: inherit; background: linear-gradient(212deg, rgb(var(--glow-rgb) / .11), rgb(var(--glow-rgb) / .03) 38%, rgb(var(--glow-rgb) / 0) 58%); color: var(--d-on); pointer-events: none; }
.win__bar { position: relative; height: 46px; display: flex; align-items: center; padding: 0 18px; border-bottom: 1px solid var(--d-line-soft); }
.win__dots { display: inline-flex; gap: 7px; }
.dot { width: 11px; height: 11px; border-radius: var(--r-round); }
.dot--r { background: var(--c-error); color: var(--c-dark); }
.dot--y { background: var(--c-warn); color: var(--c-dark); }
.dot--g { background: var(--c-success); color: var(--c-dark); }
.win__title { position: absolute; left: 0; right: 0; text-align: center; font-size: 12.5px; font-weight: 600; letter-spacing: .02em; color: var(--d-muted); }
.win__body { padding: 4px 22px 12px; }
.opt { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; border-top: 1px solid var(--d-line-soft); }
.opt:first-child { border-top: 0; }
.opt__name { display: block; font-size: 14px; font-weight: 600; color: var(--d-on); }
.opt__key { display: block; margin-top: 3px; font: 400 11px/1.2 var(--f-mono); color: var(--d-dim); }
.seg { display: inline-flex; padding: 3px; border: 1px solid var(--d-line-soft); border-radius: var(--r-pill); background: var(--d-field); color: var(--d-muted); }
.seg__item { padding: 5px 12px; border-radius: var(--r-pill); font-size: 12.5px; font-weight: 600; color: var(--d-muted); }
.seg__item--on { background: var(--c-accent); color: var(--c-dark); }
.tg { position: relative; flex: none; width: 40px; height: 23px; border-radius: var(--r-pill); background: var(--d-line); color: var(--d-on); }
.tg::after { content: ""; position: absolute; top: 3px; left: 3px; width: 17px; height: 17px; border-radius: var(--r-round); background: var(--d-muted); color: var(--c-dark); }
.tg--on { background: var(--c-accent); color: var(--c-dark); }
.tg--on::after { left: 20px; background: var(--c-dark); color: var(--d-on); }
.fld { min-width: 70px; padding: 5px 10px; border: 1px solid var(--d-line); border-radius: var(--r-field); background: var(--d-field); color: var(--d-on); font: 500 12.5px/1.2 var(--f-mono); text-align: right; }
.fld__caret { color: var(--d-dim); margin-left: 6px; }
.cat { position: absolute; top: -81px; right: 10px; z-index: 2; width: 196px; height: 131px; overflow: visible; }
.cat-s1 { stop-color: var(--cat-lit); }
.cat-s2 { stop-color: var(--cat-mid); }
.cat-s3 { stop-color: var(--cat-shade); }
.cat-body { fill: url(#catFill); }
.cat-tail { fill: none; stroke: url(#catTail); stroke-width: 9; stroke-linecap: round; }
.cat-rim { fill: none; stroke: rgb(var(--glow-rgb)); stroke-width: 2.4; stroke-linecap: round; opacity: .9; }
.cat-eye { fill: none; stroke: var(--d-win); stroke-width: 2; stroke-linecap: round; }
.cat-nose { fill: var(--d-win); }
.beam-wrap { position: absolute; inset: 0; z-index: 3; filter: blur(5px); pointer-events: none; }
.beam { position: absolute; inset: 0; clip-path: polygon(79% 4.6%, 87.4% 18.5%, 59.5% 100%, 0% 59.5%); background: linear-gradient(230deg, rgb(var(--glow-rgb) / .24), rgb(var(--glow-rgb) / .10) 30%, rgb(var(--glow-rgb) / .035) 62%, rgb(var(--glow-rgb) / 0) 92%); color: var(--d-on); }
.pool { position: absolute; inset: 0; z-index: 3; background: radial-gradient(40% 24% at 50% 30%, rgb(var(--glow-rgb) / .08), rgb(var(--glow-rgb) / 0) 72%); color: var(--d-on); pointer-events: none; }
.lamp { position: absolute; inset: 0; z-index: 4; pointer-events: none; }
.lamp__rod { position: absolute; top: 0; right: 66px; width: 3px; height: 41px; border-radius: 0 0 var(--r-small) var(--r-small); background: var(--lamp-rod); color: var(--d-on); }
.lamp__joint { position: absolute; top: 35px; right: 62px; width: 11px; height: 11px; border-radius: var(--r-round); background: var(--lamp-shade-hi); color: var(--d-on); }
.lamp__head { position: absolute; top: 34px; right: 40px; width: 92px; height: 56px; transform-origin: 70% 10%; transform: rotate(50deg); }
.lamp__shell { position: absolute; inset: 0; clip-path: polygon(32% 0, 68% 0, 100% 100%, 0 100%); background: linear-gradient(90deg, var(--lamp-shade), var(--lamp-shade-hi) 62%, var(--lamp-shade)); color: var(--d-on); }
.lamp__lip { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: var(--r-small); background: rgb(var(--glow-rgb) / .95); color: var(--c-dark); }
.lamp__bulb { position: absolute; left: 12%; right: 12%; bottom: -9px; height: 14px; background: radial-gradient(closest-side, rgb(var(--glow-rgb) / .55), rgb(var(--glow-rgb) / 0)); color: var(--d-on); }
.tile--mini { display: flex; flex-direction: column; padding: 20px 22px; background: var(--d-cell-3); color: var(--d-on); text-decoration: none; transition: transform .25s, border-color .25s; }
.tile--mini:hover { transform: translateY(-3px); border-color: var(--d-line-hi); }
.mini__label { font: 500 11.5px/1.2 var(--f-mono); letter-spacing: .04em; color: var(--d-dim); }
.mini__value { margin-top: 12px; font-family: var(--f-display); font-weight: 800; font-size: 22px; line-height: 1.2; letter-spacing: -.01em; }
.mini__value--mono { font-family: var(--f-mono); font-weight: 700; letter-spacing: 0; }
.mini__note { margin-top: 6px; font-size: 12.5px; line-height: 1.5; color: var(--d-muted); }
.mini__arrow { position: absolute; top: 18px; right: 18px; width: 16px; height: 16px; color: var(--d-dim); }
.tile--lime { background: var(--c-accent); border-color: var(--c-accent); color: var(--c-text); }
.tile--lime:hover { border-color: var(--c-accent); }
.tile--lime .mini__label { color: rgb(var(--text-rgb) / .8); }
.tile--lime .mini__note { color: rgb(var(--text-rgb) / .85); }
.tile--lime .mini__arrow { color: var(--c-text); }
.sheet { position: relative; z-index: 2; margin-top: -40px; min-height: 240px; padding-top: 26px; padding-bottom: 80px; border-radius: var(--r-sheet) var(--r-sheet) 0 0; background: var(--c-bg); color: var(--c-text); }
.hotrow { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; }
.hotrow__label { margin-right: 6px; font: 500 12.5px/1 var(--f-mono); color: var(--c-muted); }
.hotrow__link { padding: 7px 13px; border: 1px solid var(--c-border); border-radius: var(--r-pill); background: var(--c-panel); color: var(--c-text); font-size: 13px; text-decoration: none; }
.hotrow__link:hover { border-color: var(--c-accent-dark); }
.lime-section { border-radius: var(--r-section); padding: 64px 48px; background: var(--c-accent); color: var(--c-text); }
.mode-line { margin: 20px 0 28px; font-family: var(--f-display); font-size: clamp(30px, 5.5vw, 76px); font-weight: 900; line-height: 1.15; }

/* 页脚无投影，以留白和分栏承接正文。 */
.site-footer { border-top: 1px solid var(--c-border); background: var(--c-bg); color: var(--c-text); padding-top: 64px; padding-bottom: 28px; }
.footer-grid { display: grid; grid-template-columns: 1.35fr .8fr 1.2fr .65fr; gap: 48px; }
.footer-brand p { max-width: 27em; margin-top: 20px; color: var(--c-muted); font-size: 14px; }
.footer-title { font-size: 14px; font-weight: 800; margin: 0 0 18px; }
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li + li { margin-top: 8px; }
.footer-list a { display: inline-block; padding-block: 3px; color: var(--c-muted); font-size: 14px; text-decoration: none; }
.footer-list a:hover, .footer-list a[aria-current] { color: var(--c-accent-dark); }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--c-border); font-size: 13px; color: var(--c-muted); }
.footer-bottom p { margin: 0; margin-right: auto; }

/* 无脚本时内容可见；仅观察器安装后启用淡入。 */
.reveal { opacity: 1; }
.reveal-ready .reveal:not(.shown) { opacity: 0; transform: translateY(16px); }
.reveal-ready .reveal { transition: opacity var(--t-reveal), transform var(--t-reveal); }
.reveal-ready .reveal.shown { opacity: 1; transform: none; }

@media (max-width: 1300px) {
  .win { transform: translateX(-50%) rotate(-4deg) scale(.9); }
}
@media (max-width: 1279px) {
  .topbar:not(.preview-header) .mainnav { display: none; }
  .topbar:not(.preview-header) .menu-toggle { display: inline-flex; }
  .header-tools { margin-left: auto; }
}
@media (max-width: 1100px) {
  :root { --gutter: 32px; }
  .mainnav__link { padding: 8px 12px; font-size: 14px; }
  .footer-grid { gap: 28px; }
}
@media (max-width: 980px) {
  .preview-header .topbar__in { height: auto; flex-wrap: wrap; padding-top: 16px; padding-bottom: 16px; }
  .preview-header .mainnav { order: 3; width: 100%; overflow-x: auto; }
  .preview-header .mainnav__list { width: max-content; }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto; }
  .tile--lead { grid-column: 1 / -1; grid-row: auto; }
  .tile--device { grid-column: 1 / -1; grid-row: auto; height: 460px; }
  .tile--mini:last-child { grid-column: 1 / -1; }
  .win { left: 46%; transform: translateX(-50%) rotate(-4deg) scale(.84); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  h1, .lead__title { font-size: clamp(24px, 4.6vw, 30px); line-height: 1.2; }
  :root { --section-space: 56px; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .tilt, .card--tilt, .panel--tilt { transform: none !important; }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .topbar__in { gap: 10px; }
  .brand__name { font-size: 15px; }
  .header-tools { gap: 6px; margin-left: auto; }
  .langpick { padding-inline: 10px; min-height: 44px; }
  .langpick__full { display: none; }
  .langpick__short { display: inline; }
  .card, .panel { padding: 24px; }
  .lime-section { padding: 40px 24px; }
  .footer-grid { gap: 32px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .facts { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 560px) {
  .tile--lead { padding: 28px 22px 26px; }
  .tile--device { height: 360px; }
  .win { left: 47%; bottom: 26px; transform: translateX(-50%) rotate(-4deg) scale(.66); }
  .bento { grid-template-columns: minmax(0, 1fr); }
  .tile--mini:last-child { grid-column: auto; }
  .lead__cta .btn { flex: 1 1 auto; }
  .lead__desc { font-size: 14px; line-height: 1.65; margin-bottom: 22px; }
  .tile--lead { gap: 22px; }
  .facts__item { padding: 5px 9px; font-size: 11px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal-ready .reveal:not(.shown) { opacity: 1; transform: none; }
  .tile--mini:hover { transform: none; }
}