:root {
  --site-bg: #07090d;
  --site-bg-soft: #0b0e14;
  --site-panel: #10141c;
  --site-panel-strong: #151a24;
  --site-line: rgba(217, 229, 255, 0.12);
  --site-line-strong: rgba(217, 229, 255, 0.22);
  --site-text: #f2f5fa;
  --site-text-soft: #b5bfce;
  --site-text-dim: #7e8a9c;
  --site-cyan: #64deef;
  --site-cyan-strong: #18c5dc;
  /* Legacy product hooks stay available, but share one signal colour. */
  --site-font-display: "Space Grotesk", "GWC Sans CJK", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --site-orange: var(--site-cyan);
  --site-violet: var(--site-cyan);
  --site-green: #72d6a0;
  --site-danger: #ff7d7d;
  --site-radius-xs: 8px;
  --site-radius-sm: 12px;
  --site-radius-md: 18px;
  --site-radius-lg: 28px;
  --site-shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
  --site-shell: min(1180px, calc(100vw - 48px));
  --site-header-height: 72px;
  --site-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  background: var(--site-bg);
}

body.site-v2 {
  margin: 0;
  overflow-x: clip;
  color: var(--site-text);
  background: var(--site-bg);
  font-family: "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.site-v2 *,
.site-v2 *::before,
.site-v2 *::after {
  box-sizing: border-box;
}

/* Ambient depth: two barely-there washes so the black never reads flat. */
body.site-v2::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1000px 620px at 14% -6%, rgba(100, 222, 239, 0.05), transparent 62%),
    radial-gradient(1200px 760px at 88% 110%, rgba(94, 130, 255, 0.045), transparent 62%);
}

.site-v2 img,
.site-v2 svg {
  display: block;
  max-width: 100%;
}

.site-v2 a {
  color: inherit;
  text-decoration: none;
}

.site-v2 button,
.site-v2 input,
.site-v2 textarea,
.site-v2 select {
  font: inherit;
}

.site-v2 :focus-visible {
  outline: 3px solid var(--site-cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: #071013;
  background: var(--site-cyan);
  border-radius: var(--site-radius-xs);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus { transform: translateY(0); }

.shell { width: var(--site-shell); margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(217, 229, 255, 0.09);
  background: linear-gradient(180deg, rgba(7, 9, 13, 0.86), rgba(7, 9, 13, 0.7));
  backdrop-filter: blur(20px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.site-header__inner {
  min-height: var(--site-header-height);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
}

.site-brand__mark {
  position: relative;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #071013;
  background: linear-gradient(145deg, #bff8ff, var(--site-cyan-strong));
  border-radius: 11px;
  box-shadow: 0 8px 30px rgba(24, 197, 220, 0.2);
  font: 700 20px/1 "Space Grotesk", sans-serif;
}

.site-brand__glyph {
  position: relative;
  z-index: 1;
  display: block;
  color: #071013;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.08em;
  transform: translateX(-1px);
}

.site-brand__mark::after {
  position: absolute;
  z-index: 2;
  right: 7px;
  bottom: 9px;
  width: 12px;
  height: 3px;
  content: "";
  background: #071013;
  border-radius: 99px;
  transform: rotate(-43deg);
  transform-origin: center;
}

.site-brand__wordmark { display: grid; line-height: 1; gap: 5px; }
.site-brand__wordmark strong { font-size: 17px; letter-spacing: 0.08em; }
.site-brand__wordmark small { color: var(--site-text-dim); font-size: 8px; letter-spacing: 0.17em; }

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.site-nav__group { display: contents; }
.site-nav__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.site-nav__mobile-head,
.site-nav__purchase-wrap,
.site-nav__user { display: none; }

.site-nav__manual { position: relative; }
.site-nav__manual-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  width: 220px;
  display: grid;
  gap: 4px;
  padding: 9px;
  opacity: 0;
  visibility: hidden;
  color: var(--site-text-soft);
  background: rgba(11, 14, 20, 0.98);
  border: 1px solid var(--site-line);
  border-radius: 10px;
  box-shadow: var(--site-shadow);
  transform: translate(-50%, -5px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}
.site-nav__manual:hover .site-nav__manual-menu,
.site-nav__manual:focus-within .site-nav__manual-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.site-nav__manual-menu a { padding: 9px 10px; border-radius: 7px; font-size: 12px; }
.site-nav__manual-menu a:hover,
.site-nav__manual-menu a:focus-visible { color: var(--site-text); background: rgba(255,255,255,.05); }

.site-nav__link,
.text-link {
  color: var(--site-text-soft);
  transition: color 160ms ease, background 160ms ease;
}

.site-nav__link {
  position: relative;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
  white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link.is-active,
.text-link:hover { color: var(--site-text); }
.site-nav__link:hover { background: rgba(255, 255, 255, 0.045); }
/* Current page: a hairline underneath, not a boxed pill. */
.site-nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 2px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, transparent, var(--site-cyan), transparent);
}

.site-header__actions { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.site-nav-toggle { display: none; }
.site-login { color: var(--site-text-soft); }
.site-login:hover { color: var(--site-text); }
/* Signed-in visitors (mirrored by the gwc_authed hint cookie because public
   pages are cached and cookie-free) get one account entry, never a "登录"
   prompt that contradicts their state. */
.is-authed .site-login { display: none; }
.site-account {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-inline: 14px;
  color: #071013;
  background: linear-gradient(180deg, #8feaf6, #3ecfe2);
  border: 1px solid rgba(190, 245, 252, 0.5);
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  font-weight: 700;
  transition: background 180ms ease, box-shadow 180ms ease;
}
.site-account:hover { background: linear-gradient(180deg, #a8f0fa, #57d8e9); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 8px 22px rgba(24, 197, 220, 0.2); }
.site-v2 .site-account { color: #071013; }

html.nav-enhanced.nav-is-open { overflow: hidden; }

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  color: #061012;
  background: linear-gradient(180deg, #8feaf6, #3ecfe2);
  border: 1px solid rgba(190, 245, 252, 0.5);
  border-radius: 11px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 10px 28px rgba(24, 197, 220, 0.16);
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  transition: transform 180ms var(--site-ease), background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}
.site-v2 .button { color: #061012; }

.button:hover {
  transform: translateY(-2px);
  background: linear-gradient(180deg, #a8f0fa, #57d8e9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5), 0 14px 34px rgba(24, 197, 220, 0.24);
}
.button--quiet { color: var(--site-text); background: rgba(255, 255, 255, 0.045); border-color: var(--site-line); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05); }
.site-v2 .button--quiet { color: var(--site-text); }
.button--quiet:hover { background: rgba(255, 255, 255, 0.085); border-color: var(--site-line-strong); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07); }
.site-v2 .button--orange { color: #061012; background: linear-gradient(180deg, #8feaf6, #3ecfe2); }
.site-v2 .button--orange:hover { color: #061012; background: linear-gradient(180deg, #a8f0fa, #57d8e9); }
.site-v2 .button--violet { color: #061012; background: linear-gradient(180deg, #8feaf6, #3ecfe2); }
.site-v2 .button--violet:hover { color: #061012; background: linear-gradient(180deg, #a8f0fa, #57d8e9); }
/* On home the two product CTAs sit side by side — the second becomes an outline
   so exactly one action per row is loud. Product pages keep their single filled CTA. */
body.home-v2 .button--violet {
  color: var(--site-cyan);
  background: rgba(100, 222, 239, 0.06);
  border-color: rgba(100, 222, 239, 0.36);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
body.home-v2 .button--violet:hover {
  color: #a8f2fb;
  background: rgba(100, 222, 239, 0.11);
  border-color: rgba(100, 222, 239, 0.6);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 10px 26px rgba(24, 197, 220, 0.1);
}
.button--compact { min-height: 38px; padding-inline: 14px; font-size: 12px; }
.button--text { min-height: auto; padding: 0; color: var(--site-cyan); background: transparent; border: 0; }
.button--text:hover { background: transparent; color: #a8f2fb; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--site-cyan);
  font: 700 11px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; }
.eyebrow--orange,
.eyebrow--violet { color: var(--site-cyan); }

.display-title {
  font-family: var(--site-font-display);
  max-width: 900px;
  margin: 20px 0 18px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.display-title em { color: var(--site-cyan); font-style: normal; }

/* Display headings carry a top-light gradient — the same cool light the panels use. */
.display-title,
.section-title,
.final-cta h2,
.page-hero h1,
.product-band h3 {
  background: linear-gradient(180deg, #ffffff 4%, #e4ebf5 58%, #a7b4c8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

.display-title em {
  background: linear-gradient(180deg, #b5f3fc 8%, #45cfe2 92%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-title { font-family: var(--site-font-display); margin: 12px 0 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.14; letter-spacing: -0.025em; text-wrap: balance; }
.section-lead { max-width: 700px; margin: 18px 0 0; color: var(--site-text-soft); font-size: clamp(16px, 2vw, 19px); text-wrap: pretty; }
.mono { font-family: "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; font-variant-numeric: tabular-nums; }
.text-soft { color: var(--site-text-soft); }
.text-dim { color: var(--site-text-dim); }

.hero-v2 {
  position: relative;
  min-height: min(820px, calc(100svh - 72px));
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--site-line);
}

.hero-v2::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}

.hero-v2__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: 44px;
  padding-block: 88px;
}

.hero-v2__copy { position: relative; z-index: 2; }
.hero-v2__lead { max-width: 640px; margin: 0; color: var(--site-text-soft); font-size: clamp(17px, 2vw, 21px); text-wrap: pretty; }
.hero-v2__actions, .action-row { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 30px; }

.hero-v2__stage {
  position: relative;
  min-height: 530px;
  overflow: hidden;
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius-lg);
  isolation: isolate;
}

.hero-v2__stage.product-environment--lab {
  background:
    linear-gradient(180deg, rgba(7,9,13,0.26), rgba(7,9,13,0.78)),
    url("/assets/img/v2/environment-hardware-lab.webp") center / cover no-repeat;
}

.hero-v2__stage::before {
  content: "";
  position: absolute;
  inset: 12% 3% 5%;
  z-index: -2;
  border: 1px solid var(--site-line);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(100,222,239,0.14), rgba(7,9,13,0) 64%);
  transform: perspective(600px) rotateX(64deg);
}

.hero-v2__stage--scene {
  min-height: 0;
  aspect-ratio: 16 / 9;
  background: #090c11;
  box-shadow: var(--site-shadow);
}

.hero-v2__stage--scene::before {
  inset: 0;
  z-index: 1;
  border: 0;
  border-radius: 0;
  background:
    linear-gradient(90deg, rgba(7, 9, 13, 0.26), transparent 46%),
    linear-gradient(180deg, transparent 62%, rgba(7, 9, 13, 0.34));
  transform: none;
}

.hero-v2__scene {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-v2--cinematic {
  --ambient-x: 0px;
  --ambient-y: 0px;
  isolation: isolate;
}

.hero-v2--cinematic::before {
  z-index: 1;
  opacity: 0.22;
}

.hero-v2__backdrop {
  position: absolute;
  z-index: 0;
  inset: 0;
  margin: 0;
  overflow: hidden;
  background: #07090d;
}

.hero-v2__backdrop::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(7, 9, 13, 0.98) 0%, rgba(7, 9, 13, 0.91) 34%, rgba(7, 9, 13, 0.34) 62%, rgba(7, 9, 13, 0.08) 100%),
    linear-gradient(180deg, rgba(7, 9, 13, 0.18), rgba(7, 9, 13, 0.56));
}

.hero-v2__backdrop .hero-v2__scene {
  position: relative;
  z-index: 0;
  max-width: none;
  object-position: center;
  transform: translate3d(var(--ambient-x), var(--ambient-y), 0) scale(1.035);
  transition: transform 500ms var(--site-ease);
  will-change: transform;
}

.hero-v2--cinematic .hero-v2__backdrop .hero-v2__scene {
  object-fit: contain;
  object-position: right bottom;
  background: #07090d;
}

.hero-v2--cinematic .hero-v2__layout {
  z-index: 2;
  grid-template-columns: minmax(0, 650px);
  min-height: min(820px, calc(100svh - var(--site-header-height)));
  padding-block: clamp(72px, 10vw, 118px);
}

.hero-v2--cinematic .hero-v2__copy {
  max-width: 650px;
  text-shadow: 0 2px 32px rgba(0, 0, 0, 0.52);
}

.scene-legend {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.scene-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 10px;
  color: var(--site-text-soft);
  background: rgba(7, 9, 13, 0.76);
  border: 1px solid var(--site-line);
  border-radius: 7px;
  backdrop-filter: blur(12px);
  font: 500 10px/1.25 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

.scene-legend b { color: var(--site-text); }
.scene-dot { width: 6px; height: 6px; display: inline-block; border-radius: 50%; }
.scene-dot--orange { background: #f2a35f; box-shadow: 0 0 12px rgba(242, 163, 95, 0.5); }
.scene-dot--violet { background: #a98ffb; box-shadow: 0 0 12px rgba(169, 143, 251, 0.5); }

/* Facts, not boxes: bare figures with hairline dividers between them. */
.trust-strip { position: relative; }
.trust-strip::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--site-line) 18%, var(--site-line) 82%, transparent); }
.trust-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-fact { min-height: 112px; display: grid; align-content: center; gap: 6px; padding: 26px 22px; }
.trust-fact + .trust-fact { border-left: 1px solid var(--site-line); }
.trust-fact strong { font: 700 clamp(20px, 2.5vw, 30px)/1 var(--site-font-display); letter-spacing: -0.02em; }
.trust-fact span { color: var(--site-text-dim); font-size: 12px; }

.section-v2 { padding-block: clamp(64px, 8vw, 108px); }
.section-v2--tight { padding-block: clamp(56px, 7vw, 88px); }
/* Section seams fade out at the edges instead of slicing the page edge-to-edge. */
.section-v2--line { position: relative; }
.section-v2--line::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--site-line) 18%, var(--site-line) 82%, transparent); }
.section-v2--soft { background: rgba(255,255,255,0.026); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 46px; }
.section-head__copy { max-width: 760px; }

.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.product-card {
  position: relative;
  min-height: 610px;
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
  background: var(--site-panel);
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius-lg);
  transition: border-color 200ms ease, transform 240ms var(--site-ease);
}

.product-card:hover { transform: translateY(-4px); border-color: var(--site-line-strong); }
.product-card--orange,
.product-card--violet {
  background: var(--site-panel);
  box-shadow: inset 0 2px 0 rgba(100,222,239,0.32);
}
.product-card__visual { min-height: 350px; display: grid; place-items: center; margin: 0; padding: 35px; }
.product-card__visual.product-environment--lab {
  background:
    linear-gradient(180deg, rgba(7,9,13,0.16), rgba(7,9,13,0.72)),
    url("/assets/img/v2/environment-hardware-lab.webp") center / cover no-repeat;
}
.product-card__visual.product-environment--documentation {
  background:
    linear-gradient(180deg, rgba(7,9,13,0.18), rgba(7,9,13,0.76)),
    url("/assets/img/v2/environment-documentation-grid.webp") center / cover no-repeat;
}
.product-card__visual img {
  width: min(78%, 420px);
  height: 300px;
  object-fit: contain;
  overflow: hidden;
  background: rgba(11,14,20,0.84);
  border: 1px solid var(--site-line-strong);
  border-radius: 16px;
  box-shadow: 0 28px 52px rgba(0,0,0,0.48);
}
.product-card__visual--scene {
  position: relative;
  min-height: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  padding: 0;
  background: #090c11;
}
.product-card__visual--scene::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 68%, rgba(7, 9, 13, 0.32));
}
.product-card__visual.product-card__visual--scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.product-card__body { padding: 30px; border-top: 1px solid var(--site-line); }
.product-card__meta { display: flex; justify-content: space-between; gap: 14px; color: var(--site-text-dim); font: 500 11px/1.3 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.product-card__meta strong { color: var(--site-green); }
.product-card h3 { margin: 14px 0 8px; font-size: clamp(26px, 3vw, 38px); line-height: 1.08; letter-spacing: -0.035em; }
.product-card p { max-width: 580px; margin: 0; color: var(--site-text-soft); }
.product-card__link { display: inline-flex; margin-top: 22px; color: var(--site-cyan); font-weight: 700; }
.product-card--orange .product-card__link,
.product-card--violet .product-card__link { color: var(--site-cyan); }

.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--site-line); border-radius: var(--site-radius-md); background: var(--site-line); }
.process-step { min-height: 260px; padding: 30px; background: var(--site-bg-soft); }
.process-step__number { color: var(--site-cyan); font: 500 12px/1 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.process-step h3 { margin: 70px 0 8px; font-size: 23px; }
/* Outlined ghost numerals where the renderer supports text-stroke. */
@supports (-webkit-text-stroke: 1px black) {
  .process-step__number {
    font: 700 38px/1 var(--site-font-display);
    color: transparent;
    -webkit-text-stroke: 1px rgba(100, 222, 239, 0.42);
    letter-spacing: 0.02em;
  }
  .process-step:hover .process-step__number { -webkit-text-stroke-color: rgba(100, 222, 239, 0.85); }
  .process-step h3 { margin-top: 44px; }
}
.process-step p { margin: 0; color: var(--site-text-soft); }
.product-choice-process { margin-top: 18px; }

.edition-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.edition-panel { padding: clamp(24px, 3vw, 36px); background: var(--site-panel); border: 1px solid var(--site-line); border-radius: var(--site-radius-md); transition: transform 220ms var(--site-ease), border-color 200ms ease; }
.edition-panel:hover { transform: translateY(-3px); border-color: var(--site-line-strong); }
.edition-panel__top { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.edition-panel h3 { margin: 0; font-size: 25px; }
.edition-panel__tag { padding: 6px 9px; color: var(--site-green); background: rgba(114,214,160,0.09); border: 1px solid rgba(114,214,160,0.18); border-radius: 999px; font: 500 10px/1 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.edition-panel ul { display: grid; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; }
.edition-panel li { position: relative; padding-left: 22px; color: var(--site-text-soft); }
.edition-panel li::before { content: ""; position: absolute; top: 0.7em; left: 0; width: 8px; height: 1px; background: var(--site-cyan); }
.edition-note { grid-column: 1 / -1; margin: 0; padding: 16px 18px; color: var(--site-text-soft); background: rgba(100,222,239,0.055); border-left: 2px solid var(--site-cyan); border-radius: 0 var(--site-radius-xs) var(--site-radius-xs) 0; }

.manual-promo {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 36px;
  overflow: hidden;
  padding: clamp(34px, 6vw, 72px);
  border: 1px solid var(--site-line-strong);
  border-radius: var(--site-radius-lg);
  background:
    linear-gradient(90deg, rgba(7,9,13,0.95) 0%, rgba(7,9,13,0.86) 52%, rgba(7,9,13,0.48) 100%),
    url("/assets/img/v2/environment-documentation-grid.webp") center / cover no-repeat;
  box-shadow: var(--site-shadow);
}

.manual-promo > * { position: relative; z-index: 1; }
.manual-promo__index { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; }
.manual-promo__index span { min-height: 82px; display: grid; align-content: space-between; padding: 12px; color: var(--site-text-dim); background: rgba(7,9,13,0.55); border: 1px solid var(--site-line); border-radius: 8px; font-size: 11px; }
.manual-promo__index b { color: var(--site-text); font: 700 17px/1 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.manual-promo__media { margin: 0; overflow: hidden; background: #05070a; border: 1px solid var(--site-line-strong); border-radius: var(--site-radius-md); box-shadow: var(--site-shadow); }
.manual-promo__media video { width: 100%; aspect-ratio: 16 / 9; display: block; object-fit: cover; background: #05070a; }
.manual-promo__media figcaption { padding: 10px 12px; color: var(--site-text-dim); border-top: 1px solid var(--site-line); font: 500 9px/1.4 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: .08em; }
.support-manual-downloads { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 18px; }
.support-manual-downloads a { min-height: 44px; display: inline-flex; align-items: center; color: var(--site-text-soft); border-bottom: 1px solid var(--site-line-strong); font-size: 13px; }
.support-manual-downloads a:hover { color: var(--site-cyan); border-color: var(--site-cyan); }

.community-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 18px; }
.community-panel { padding: clamp(28px, 4vw, 44px); background: var(--site-panel); border: 1px solid var(--site-line); border-radius: var(--site-radius-md); }
.community-panel h3 { margin: 0 0 12px; font-size: 27px; }
.community-panel p { margin: 0; color: var(--site-text-soft); }
.benefit-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 25px; }
.benefit-list span { padding: 12px 14px; color: var(--site-text-soft); background: rgba(255,255,255,0.025); border: 1px solid var(--site-line); border-radius: 8px; font-size: 13px; transition: border-color 180ms ease, color 180ms ease; }
.benefit-list span:hover { color: var(--site-text); border-color: var(--site-line-strong); }

/* Closing statement: centred, lit from below, one loud action. */
.final-cta { position: relative; padding-block: clamp(72px, 9vw, 128px); overflow: clip; }
.final-cta::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--site-line) 18%, var(--site-line) 82%, transparent); }
.final-cta::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -160px;
  width: min(760px, 90vw);
  height: 320px;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(100, 222, 239, 0.09), transparent);
  transform: translateX(-50%);
}
.final-cta__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr; justify-items: center; gap: 34px; text-align: center; }
.final-cta .eyebrow::before { display: none; }
.final-cta h2 { font-family: var(--site-font-display); max-width: 780px; margin: 12px 0 0; font-size: clamp(34px, 5vw, 64px); line-height: 1.1; letter-spacing: -0.03em; }
.final-cta .action-row { justify-content: center; margin-top: 0; }

.page-hero { padding-block: clamp(70px, 9vw, 118px); border-bottom: 1px solid var(--site-line); }
.page-hero__layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 0.45fr); align-items: end; gap: 48px; }
.page-hero h1 { font-family: var(--site-font-display); max-width: 840px; margin: 18px 0 0; font-size: clamp(42px, 6vw, 72px); line-height: 1.06; letter-spacing: -0.038em; text-wrap: balance; }
.page-hero p { max-width: 720px; margin: 20px 0 0; color: var(--site-text-soft); font-size: 18px; }
.page-hero__aside { padding: 20px; color: var(--site-text-soft); background: var(--site-panel); border: 1px solid var(--site-line); border-radius: var(--site-radius-sm); }
.page-hero__aside b { display: block; margin-bottom: 7px; color: var(--site-text); }

.support-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.support-card { min-height: 220px; padding: 26px; background: var(--site-panel); border: 1px solid var(--site-line); border-radius: var(--site-radius-sm); transition: transform 220ms var(--site-ease), border-color 200ms ease, background 200ms ease; }
.support-card:hover { transform: translateY(-3px); border-color: var(--site-line-strong); background: var(--site-panel-strong); }
.support-card__code { color: var(--site-cyan); font: 500 10px/1 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.support-card h2, .support-card h3 { margin: 62px 0 8px; font-size: 21px; }
.support-card p { margin: 0; color: var(--site-text-soft); font-size: 14px; }
.support-card a { display: inline-flex; margin-top: 18px; color: var(--site-cyan); font-weight: 700; font-size: 13px; }

.support-v2 #routes { overflow: clip; }
.support-route-shell { position: relative; isolation: isolate; }
.support-route-environment {
  position: absolute;
  z-index: -2;
  inset: -34px -5vw;
  width: calc(100% + 10vw);
  height: calc(100% + 68px);
  object-fit: cover;
  opacity: .17;
  filter: brightness(.34) contrast(1.2) saturate(.55);
  pointer-events: none;
}
.support-route-shell::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -36px -5vw;
  background: linear-gradient(180deg, rgba(7,9,13,.88), rgba(7,9,13,.96) 72%, var(--site-bg));
  pointer-events: none;
}

.manual-promo__backdrop {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .12;
  filter: brightness(.38) contrast(1.2) saturate(.45);
  pointer-events: none;
}

.faq-stack { display: grid; gap: 10px; }
.faq-stack details { overflow: hidden; background: var(--site-panel); border: 1px solid var(--site-line); border-radius: var(--site-radius-sm); }
.faq-stack summary { position: relative; padding: 20px 56px 20px 22px; color: var(--site-text); cursor: pointer; font-weight: 600; list-style: none; transition: background 180ms ease; }
.faq-stack summary:hover { background: rgba(255, 255, 255, 0.025); }
.faq-stack summary::-webkit-details-marker { display: none; }
.faq-stack summary::after { content: "+"; position: absolute; top: 50%; right: 22px; color: var(--site-cyan); font: 400 24px/1 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; transform: translateY(-50%); }
.faq-stack details[open] summary::after { content: "−"; }
.faq-stack details[open] summary { border-bottom: 1px solid var(--site-line); }
.faq-answer { padding: 20px 22px; color: var(--site-text-soft); }
.faq-answer p { margin: 0; }
.faq-answer a { color: var(--site-cyan); text-decoration: underline; text-underline-offset: 3px; }

.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.contact-card { padding: 26px; background: var(--site-panel); border: 1px solid var(--site-line); border-radius: var(--site-radius-sm); transition: transform 220ms var(--site-ease), border-color 200ms ease; }
.contact-card:hover { transform: translateY(-3px); border-color: var(--site-line-strong); }
.contact-card h3 { margin: 0; font-size: 20px; }
.contact-card p { margin: 10px 0 0; color: var(--site-text-soft); }
.contact-card__value { display: block; margin-top: 24px; color: var(--site-text); font: 600 15px/1.4 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; word-break: break-word; }
.contact-card .button { margin-top: 18px; }
.copy-status { min-height: 1.5em; display: block; margin-top: 10px; color: var(--site-text-dim); font-size: 12px; }

.document-layout { display: grid; grid-template-columns: 250px minmax(0, 760px); justify-content: space-between; gap: 70px; align-items: start; }
.document-nav { position: sticky; top: 105px; display: grid; gap: 6px; padding: 18px; background: var(--site-panel); border: 1px solid var(--site-line); border-radius: var(--site-radius-sm); }
.document-nav strong { margin-bottom: 8px; font-size: 13px; }
.document-nav a { padding: 7px 9px; color: var(--site-text-dim); border-radius: 6px; font-size: 12px; }
.document-nav a:hover { color: var(--site-text); background: rgba(255,255,255,0.04); }
.document-body { min-width: 0; }
.document-section { scroll-margin-top: 100px; padding-bottom: 48px; margin-bottom: 48px; border-bottom: 1px solid var(--site-line); }
.document-section:last-child { border-bottom: 0; }
.document-section h2 { margin: 0 0 18px; font-size: clamp(25px, 3vw, 34px); letter-spacing: -0.025em; }
.document-section h3 { margin: 28px 0 10px; font-size: 18px; }
.document-section p, .document-section li { color: var(--site-text-soft); }
.document-section ul, .document-section ol { display: grid; gap: 9px; padding-left: 22px; }
.document-meta { margin: 0 0 34px; padding: 16px 18px; color: var(--site-text-dim); background: rgba(255,255,255,0.022); border: 1px solid var(--site-line); border-radius: 9px; font: 500 11px/1.6 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.document-callout { margin-top: 22px; padding: 16px 18px; color: var(--site-text-soft); background: rgba(100,222,239,0.05); border-left: 2px solid var(--site-cyan); border-radius: 0 8px 8px 0; }
.document-callout strong { color: var(--site-text); }

.site-footer { position: relative; padding: 76px 0 26px; color: var(--site-text-soft); background: linear-gradient(180deg, #05070a, #030509); }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--site-line-strong) 30%, var(--site-line-strong) 70%, transparent); }
.site-footer__grid { display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); gap: 38px; }
.site-footer__intro p { max-width: 380px; margin: 20px 0 0; color: var(--site-text-dim); }
.site-footer__studio { font: 500 11px/1.5 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: 0.08em; }
.site-footer__column { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.site-footer__column h2 { margin: 0 0 10px; color: var(--site-text-dim); font: 600 11px/1.4 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: 0.14em; }
.site-footer__column a, .site-footer__column span { color: var(--site-text-dim); font-size: 13px; }
.site-footer__column a:hover { color: var(--site-text); }
.site-footer__community-link { padding: 0; color: var(--site-text-dim); text-align: left; background: transparent; border: 0; cursor: pointer; font-size: 13px; }
.site-footer__community-link:hover { color: var(--site-text); }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 58px; padding-top: 20px; border-top: 1px solid var(--site-line); color: var(--site-text-dim); font-size: 11px; }

::selection { background: rgba(100, 222, 239, 0.3); color: #eef8fa; }

/* Light system: one cool light from the top — every flat panel carries the same 1px top edge. */
.compare-wrap,
.edition-panel,
.support-card,
.contact-card,
.faq-stack details,
.page-hero__aside,
.document-nav,
.document-meta,
.signal-box,
.product-card { box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.045); }

/* Film grain: kills gradient banding on cheap panels, invisible as texture. */
body.site-v2::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  opacity: 0.028;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.reveal-ready [data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity 460ms var(--site-ease), transform 460ms var(--site-ease); }
.reveal-ready [data-reveal][data-visible="true"] { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  :root { --site-shell: min(100% - 36px, 940px); }
  .site-header__inner { grid-template-columns: auto 1fr auto; }
  .nav-enhanced .site-header__inner { grid-template-columns: auto auto 1fr; }
  .nav-enhanced .site-nav-toggle {
    width: 44px;
    height: 44px;
    display: grid;
    place-content: center;
    gap: 5px;
    padding: 0;
    color: var(--site-text);
    background: transparent;
    border: 1px solid var(--site-line);
    border-radius: 9px;
    cursor: pointer;
  }
  .site-nav-toggle span { width: 18px; height: 1px; background: currentColor; transition: transform 160ms ease, opacity 160ms ease; }
  .site-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .site-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .site-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding-bottom: 14px;
  }
  .site-nav__group { display: flex; flex-wrap: wrap; }
  .nav-enhanced .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    height: calc(100dvh - var(--site-header-height));
    max-height: calc(100dvh - var(--site-header-height));
    overflow-y: auto;
    padding: 18px max(18px, calc((100vw - min(940px, 100vw - 36px)) / 2)) 24px;
    background: #07090d;
    border-bottom: 1px solid var(--site-line);
    box-shadow: 0 30px 80px rgba(0,0,0,.46);
  }
  .nav-enhanced .site-nav[data-open="true"] { display: flex; }
  .site-nav__mobile-head {
    width: 100%;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    padding: 0 4px 16px;
    color: var(--site-text-dim);
    border-bottom: 1px solid var(--site-line);
    font: 500 10px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    letter-spacing: .08em;
    text-transform: uppercase;
  }
  .site-nav__mobile-head strong { color: var(--site-text); font-size: 13px; letter-spacing: 0; text-transform: none; }
  .nav-enhanced .site-nav__group { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 5px; padding-block: 14px; }
  .site-nav__link { padding: 12px; font-size: 14px; }
  .site-nav__user { display: block; }
  .site-nav__manual { display: contents; }
  .site-nav__manual-menu {
    position: static;
    grid-column: 1 / -1;
    width: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    padding: 5px;
    opacity: 1;
    visibility: visible;
    background: rgba(255,255,255,.025);
    border-radius: 8px;
    box-shadow: none;
    transform: none;
  }
  .site-nav__manual:hover .site-nav__manual-menu,
  .site-nav__manual:focus-within .site-nav__manual-menu { transform: none; }
  .site-nav__purchase-wrap {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 14px;
    padding: 14px 4px 0;
    border-top: 1px solid var(--site-line);
  }
  .site-nav__purchase-wrap > span { color: var(--site-text-dim); font-size: 12px; }
  .site-nav__purchase {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding-inline: 14px;
    color: #071013;
    background: var(--site-cyan);
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
  }
  .site-header__actions { justify-self: end; }
  .hero-v2__layout { grid-template-columns: 1fr; padding-block: 70px 45px; }
  .hero-v2__stage { min-height: 440px; max-width: 720px; width: 100%; justify-self: center; }
  .hero-v2__stage--scene { min-height: 0; }
  .site-footer__grid { grid-template-columns: 1.5fr repeat(2, 1fr); }
  .site-footer__column:last-child { grid-column: 2 / -1; }
  .document-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 36px; }
}

@media (max-width: 760px) {
  :root { --site-shell: min(100% - 28px, 620px); --site-header-height: 64px; }
  .site-header__inner { min-height: var(--site-header-height); gap: 12px; }
  .nav-enhanced .site-header__inner { grid-template-columns: 1fr auto; }
  .site-brand__mark { width: 34px; height: 34px; }
  .site-brand__wordmark small { display: none; }
  .site-header__actions { display: none; }
  .display-title { font-size: clamp(41px, 13vw, 64px); }
  .hero-v2 { min-height: auto; }
  .hero-v2__layout { padding-top: 58px; gap: 24px; }
  .hero-v2__stage { min-height: 340px; }
  .hero-v2__stage--scene { min-height: 0; }
  .hero-v2--cinematic { min-height: min(660px, calc(100svh - var(--site-header-height))); }
  .hero-v2--cinematic .hero-v2__layout {
    min-height: min(660px, calc(100svh - var(--site-header-height)));
    align-items: start;
    padding-block: 54px 236px;
  }
  .home-v2 .display-title { font-size: clamp(38px, 11vw, 50px); line-height: 1; }
  .home-v2 .hero-v2__lead { font-size: 15px; line-height: 1.55; }
  .home-v2 .hero-v2__actions { margin-top: 22px; }
  .hero-v2__backdrop::after {
    background:
      linear-gradient(180deg, rgba(7, 9, 13, 0.98) 0%, rgba(7, 9, 13, 0.93) 48%, rgba(7, 9, 13, 0.28) 76%, rgba(7, 9, 13, 0.52) 100%),
      linear-gradient(90deg, rgba(7, 9, 13, 0.35), transparent 80%);
  }
  .hero-v2__backdrop .hero-v2__scene { object-position: 70% center; }
  .hero-v2--cinematic .hero-v2__backdrop .hero-v2__scene { object-position: right bottom; }
  .trust-strip__grid { grid-template-columns: repeat(2, 1fr); }
  .trust-fact + .trust-fact { border-left: 0; }
  .trust-fact:nth-child(even) { border-left: 1px solid var(--site-line); }
  .trust-fact:nth-child(-n+2) { border-bottom: 1px solid var(--site-line); }
  .section-head { align-items: start; flex-direction: column; margin-bottom: 32px; }
  .product-grid, .edition-grid, .community-grid, .manual-promo { grid-template-columns: 1fr; }
  .product-card { min-height: 540px; }
  .product-card__visual { min-height: 300px; }
  .product-card__visual img { height: 280px; }
  .process-grid { grid-template-columns: 1fr; }
  .process-step { min-height: 190px; }
  .process-step h3 { margin-top: 38px; }
  .final-cta__inner { grid-template-columns: 1fr; align-items: start; }
  .page-hero__layout { grid-template-columns: 1fr; align-items: start; }
  .page-hero__layout > .product-card__visual--scene { width: 100%; min-height: 0; }
  .page-hero__layout > .product-card__visual--scene img { height: 100%; }
  .support-grid, .contact-grid { grid-template-columns: 1fr; }
  .support-card { min-height: 180px; }
  .support-card h2, .support-card h3 { margin-top: 38px; }
  .document-layout { grid-template-columns: 1fr; gap: 30px; }
  .document-nav { position: static; grid-template-columns: repeat(2, minmax(0,1fr)); }
  .document-nav strong { grid-column: 1 / -1; }
  .site-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-footer__intro { grid-column: 1 / -1; }
  .site-footer__column:last-child { grid-column: 1 / -1; }
  .site-footer__bottom { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 430px) {
  .site-brand__wordmark { display: none; }
  .hero-v2__actions .button, .action-row .button { width: 100%; }
  .hero-v2__stage { min-height: 290px; }
  .hero-v2__stage--scene { min-height: 0; }
  .hero-v2--cinematic .hero-v2__layout { padding-block: 42px 218px; }
  .home-v2 .hero-v2--cinematic .hero-v2__layout { padding-block: 30px 182px; }
  .home-v2 .hero-v2__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }
  .home-v2 .hero-v2__actions .button { min-height: 42px; padding-inline: 12px; }
  .home-v2 .hero-v2__actions .button:last-child {
    grid-column: 1 / -1;
    min-height: 34px;
    color: var(--site-text-soft);
    background: transparent;
    border-color: transparent;
  }
  .scene-legend { right: 10px; bottom: 10px; }
  .scene-legend span { padding: 6px 8px; }
  .trust-fact { min-height: 96px; padding: 16px; }
  .product-card__body { padding: 23px; }
  .benefit-list, .manual-promo__index { grid-template-columns: 1fr; }
  .manual-promo__index span { min-height: 64px; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__intro, .site-footer__column:last-child { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero-v2__backdrop .hero-v2__scene { transform: none !important; }
}

/* Product-led home: open bands, real imagery, and a quiet information hierarchy. */
.home-v2 .hero-v2__backdrop .hero-v2__scene {
  object-fit: contain;
  object-position: center;
  background: #090c11;
}

.home-section--products .section-head,
.home-section--specs .section-head,
.home-section--editions .section-head,
.home-section--manuals .section-head { max-width: 780px; }

.product-band-list { display: grid; gap: 0; border-top: 1px solid var(--site-line); }
.product-band {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
  align-items: stretch;
  border-bottom: 1px solid var(--site-line);
}
.product-band--reverse { grid-template-columns: minmax(280px, .88fr) minmax(0, 1.12fr); }
.product-band--reverse .product-band__visual { grid-column: 2; grid-row: 1; }
.product-band--reverse .product-band__body { grid-column: 1; grid-row: 1; }
.product-band__visual {
  position: relative;
  min-height: clamp(300px, 36vw, 510px);
  display: grid;
  place-items: center;
  margin: 0;
  overflow: hidden;
  background: #0a0e14;
  border-inline: 1px solid var(--site-line);
}
.product-band__visual::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent 55%, rgba(7,9,13,.48)); }
.product-band__visual img { width: 100%; height: 100%; min-height: inherit; object-fit: contain; object-position: center; transition: transform 700ms var(--site-ease); }
.product-band:hover .product-band__visual img { transform: scale(1.02); }
.product-band__visual figcaption { position: absolute; z-index: 1; right: 18px; bottom: 16px; color: var(--site-text-soft); font: 500 11px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: .08em; }
.product-band__body { display: flex; flex-direction: column; justify-content: center; gap: 0; padding: clamp(30px, 5vw, 70px); }
.product-band__label { margin: 0 0 14px; color: var(--site-cyan); font: 600 11px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: .08em; }
.product-band--violet .product-band__label { color: var(--site-cyan); }
.product-band h3 { font-family: var(--site-font-display); margin: 0; font-size: clamp(30px, 4.2vw, 60px); line-height: 1.08; letter-spacing: -.04em; }
.product-band__body p:not(.product-band__label) { max-width: 520px; margin: 22px 0 0; color: var(--site-text-soft); font-size: 17px; }
.product-band__facts { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 26px; color: var(--site-text-dim); font-size: 12px; }
.product-band__facts span { position: relative; }
.product-band__facts span + span::before { content: ""; position: absolute; top: .45em; left: -11px; width: 3px; height: 3px; background: currentColor; border-radius: 50%; }
.product-band__link { display: inline-flex; gap: 5px; width: max-content; margin-top: 28px; color: var(--site-cyan); font-weight: 700; }
.product-band__link span { transition: transform 200ms var(--site-ease); }
.product-band__link:hover span { transform: translate(2px, -2px); }
.product-band--violet .product-band__link { color: var(--site-cyan); }
.product-band__link:hover { color: var(--site-text); }

.specification-table-wrap { max-width: 100%; overflow-x: auto; border-top: 1px solid var(--site-line-strong); }
.specification-ledger tbody tr:hover,
.compare-table tbody tr:hover { background: rgba(255, 255, 255, 0.022); }
.specification-table-wrap::-webkit-scrollbar,
.compare-wrap::-webkit-scrollbar { height: 8px; }
.specification-table-wrap::-webkit-scrollbar-thumb,
.compare-wrap::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.14); border-radius: 999px; }
.specification-table-wrap::-webkit-scrollbar-track,
.compare-wrap::-webkit-scrollbar-track { background: transparent; }
@media (max-width: 760px) {
  .specification-table-wrap,
  .compare-wrap {
    background:
      linear-gradient(90deg, var(--site-bg) 30%, rgba(7, 9, 13, 0)) left / 44px 100%,
      linear-gradient(270deg, var(--site-bg) 30%, rgba(7, 9, 13, 0)) right / 44px 100%,
      radial-gradient(farthest-side at 0 50%, rgba(255, 255, 255, 0.06), transparent) left / 16px 100%,
      radial-gradient(farthest-side at 100% 50%, rgba(255, 255, 255, 0.06), transparent) right / 16px 100%;
    background-repeat: no-repeat;
    background-attachment: local, local, scroll, scroll;
  }
  .compare-wrap {
    background-color: var(--site-panel);
  }
}
.specification-ledger { width: 100%; min-width: 760px; border-collapse: collapse; }
/* Table captions read as technical labels, not shouted titles. */
.specification-ledger caption,
.compare-table caption { padding: 0 0 14px; color: var(--site-text-dim); font: 600 11px/1.5 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: 0.12em; text-align: left; }
.specification-ledger th,
.specification-ledger td { padding: 21px 18px; border-bottom: 1px solid var(--site-line); text-align: left; vertical-align: top; }
.specification-ledger thead th { color: var(--site-text-dim); font: 500 10px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: .08em; }
.specification-ledger tbody { color: var(--site-text-soft); font-size: 14px; font-variant-numeric: tabular-nums; }
.specification-ledger tbody th { font-family: var(--site-font-display); color: var(--site-cyan); font-size: 24px; letter-spacing: -.02em; }
.specification-ledger th:first-child { width: 15%; }
.specification-ledger th:nth-child(2) { width: 28%; }
.specification-ledger th:nth-child(3) { width: 42%; }

/* Comparison tables on pages that do not load product-v2.css (home, warranty). */
.compare-wrap { overflow-x: auto; border: 1px solid var(--site-line); border-radius: var(--site-radius-md); background: var(--site-panel); }
.compare-table { width: 100%; min-width: 720px; border-collapse: collapse; }
.compare-table caption { padding: 18px 22px 15px; border-bottom: 1px solid var(--site-line); }
.compare-table th, .compare-table td { padding: 18px 22px; text-align: left; border-bottom: 1px solid var(--site-line); vertical-align: top; }
.compare-table thead th { color: var(--site-text-dim); font: 500 11px/1.4 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: 0.05em; }
.compare-table tbody th { color: var(--site-text); font-size: 14px; font-weight: 600; }
.compare-table td { color: var(--site-text-soft); font-size: 14px; }
.compare-table tr:last-child > * { border-bottom: 0; }
.edition-comparison { min-width: 880px; }

/* Signal story: the connection diagram that leads the specification section. */
.signal-story { display: grid; gap: 34px; max-width: 1020px; margin-inline: auto; margin-bottom: 44px; }
.signal-row { display: grid; grid-template-columns: 76px 1fr auto 1fr 76px; align-items: center; gap: 14px; }
.signal-end { display: grid; justify-items: center; gap: 8px; color: var(--site-text-dim); font: 500 11px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: 0.06em; }
.signal-end svg { width: 30px; height: 30px; stroke: var(--site-text-soft); }
.signal-wire { position: relative; height: 2px; background: var(--site-line-strong); border-radius: 1px; overflow: visible; }
.signal-wire i { position: absolute; top: -2px; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--site-cyan); box-shadow: 0 0 10px rgba(100, 222, 239, 0.55); animation: signal-run 2.4s linear infinite; }
.signal-wire--late i { animation-delay: 1.2s; }
@keyframes signal-run {
  0% { left: 0; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { left: calc(100% - 6px); opacity: 0; }
}
.signal-box { display: grid; justify-items: center; gap: 7px; min-width: 118px; padding: 13px 18px 11px; background: #10151d; border: 1px solid var(--site-line-strong); border-radius: 12px; }
.signal-box__screen { display: inline-flex; align-items: center; justify-content: center; min-width: 56px; padding: 5px 9px; background: #0d2329; border: 1px solid rgba(100, 222, 239, 0.34); border-radius: 5px; color: var(--site-cyan); font: 600 11px/1 "JetBrains Mono", monospace; letter-spacing: 0.1em; text-shadow: 0 0 8px rgba(100, 222, 239, 0.5); }
.signal-box__keys { display: flex; gap: 7px; }
.signal-box__keys b { width: 12px; height: 6px; background: var(--site-line-strong); border-radius: 2px; }
.signal-box__name { color: var(--site-text-soft); font: 600 10px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: 0.08em; }
@media (max-width: 760px) {
  .signal-story { gap: 26px; margin-bottom: 34px; }
  .signal-row { grid-template-columns: 52px 1fr auto 1fr 52px; gap: 9px; }
  .signal-end svg { width: 24px; height: 24px; }
  .signal-end { font-size: 10px; }
  .signal-box { min-width: 96px; padding: 10px 12px 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .signal-wire i { animation: none; left: 46%; opacity: 1; }
}

.edition-ledger { display: grid; gap: 0; border-top: 1px solid var(--site-line-strong); }
.edition-ledger__group { display: grid; grid-template-columns: minmax(220px, .72fr) minmax(0, 1.28fr); gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--site-line); }
.edition-ledger__group h3 { margin: 0; font-size: clamp(24px, 3vw, 36px); letter-spacing: -.04em; }
.edition-ledger__group p { margin: 8px 0 0; color: var(--site-text-dim); }
.edition-ledger__group ul { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; color: var(--site-text-soft); }
.edition-ledger__group li { position: relative; padding-left: 20px; }
.edition-ledger__group li::before { content: ""; position: absolute; top: .75em; left: 0; width: 8px; height: 1px; background: var(--site-cyan); }
.edition-ledger__group--violet li::before { background: var(--site-cyan); }

.manual-support-band { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr); gap: clamp(34px, 7vw, 100px); align-items: center; }
.manual-support-band__copy { max-width: 760px; }
.manual-support-band__contact { display: grid; gap: 10px; align-content: center; padding: 26px 0 26px 30px; border-left: 1px solid var(--site-line-strong); }
.manual-support-band__contact p { margin: 0; color: var(--site-text-dim); font-size: 12px; }
.manual-support-band__contact strong { font-size: 24px; }
.manual-support-band__contact span { color: var(--site-text-soft); font-size: 14px; }
.manual-support-band__contact .button { width: max-content; margin-top: 10px; }
.support-text-link { width: max-content; margin-top: 8px; color: var(--site-text-soft); font-size: 13px; }
.support-text-link:hover { color: var(--site-text); }

@media (max-width: 760px) {
  .home-v2 .hero-v2--cinematic .hero-v2__backdrop .hero-v2__scene {
    object-fit: contain;
    object-position: center bottom;
    transform: none;
  }
  .product-band,
  .product-band--reverse { grid-template-columns: 1fr; }
  .product-band--reverse .product-band__visual,
  .product-band--reverse .product-band__body { grid-column: auto; grid-row: auto; }
  .product-band__visual { min-height: 260px; border-inline: 0; }
  .product-band__body { padding: 34px 0 42px; }
  .specification-ledger { min-width: 680px; }
  .edition-ledger__group { grid-template-columns: 1fr; gap: 16px; padding: 26px 0; }
  .manual-support-band { grid-template-columns: 1fr; gap: 34px; }
  .manual-support-band__contact { padding: 25px 0 0; border-top: 1px solid var(--site-line-strong); border-left: 0; }
}

/* Static 404/offline fallback: same visual language without PHP or JS. */
.operational-page { min-height: 100svh; }
.operational-page__main {
  width: min(1180px, calc(100vw - 48px));
  min-height: 100svh;
  display: grid;
  align-content: center;
  gap: clamp(30px, 5vw, 58px);
  margin-inline: auto;
  padding-block: clamp(32px, 6vw, 72px);
}
.operational-page__brand {
  display: grid;
  grid-template-columns: 38px auto;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 11px;
  width: max-content;
  line-height: 1;
}
.operational-page__brand > span {
  grid-row: 1 / 3;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: #071013;
  background: linear-gradient(145deg, #bff8ff, var(--site-cyan-strong));
  border-radius: 11px;
  font-weight: 800;
}
.operational-page__brand strong { font-size: 17px; letter-spacing: .08em; }
.operational-page__brand small { color: var(--site-text-dim); font-size: 8px; letter-spacing: .17em; }
.operational-page__panel {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: clamp(36px, 7vw, 96px);
}
.operational-page__copy { max-width: 560px; }
.operational-page__eyebrow {
  margin: 0 0 18px;
  color: var(--site-cyan);
  font: 700 11px/1.4 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  letter-spacing: .16em;
}
.operational-page__copy h1 {
  max-width: 9em;
  margin: 0;
  font-size: clamp(44px, 6vw, 86px);
  line-height: .94;
  letter-spacing: -.055em;
}
.operational-page__copy > p:not(.operational-page__eyebrow) {
  max-width: 46em;
  margin: 28px 0 0;
  color: var(--site-text-soft);
  font-size: clamp(16px, 1.7vw, 19px);
}
.operational-page__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.operational-page__visual {
  position: relative;
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  background: var(--site-panel);
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius-lg);
  box-shadow: var(--site-shadow);
}
.operational-page__visual::after {
  position: absolute;
  inset: 0;
  content: "";
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
  pointer-events: none;
}
.operational-page__visual img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 820px) {
  .operational-page__main { width: min(100% - 28px, 620px); align-content: start; }
  .operational-page__panel { grid-template-columns: 1fr; gap: 32px; }
  .operational-page__visual { order: -1; aspect-ratio: 16 / 9; border-radius: 20px; }
  .operational-page__actions .button { width: 100%; }
}

/* Support centre: operational first, with product choices and task order
   visible before any low-priority environment imagery. */
.support-v2 .support-hero {
  padding-block: clamp(48px, 7vw, 86px) clamp(34px, 5vw, 58px);
  border-bottom: 1px solid var(--site-line);
  background:
    radial-gradient(circle at 84% 18%, rgba(100, 222, 239, .08), transparent 24rem),
    linear-gradient(180deg, rgba(255,255,255,.018), transparent 68%);
}

.support-v2 .support-hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, .82fr);
  align-items: start;
  gap: clamp(32px, 6vw, 88px);
}

.support-v2 .support-hero__copy {
  min-width: 0;
}

.support-v2 .support-hero h1 {
  max-width: 760px;
  margin: 16px 0 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: .98;
  letter-spacing: -.06em;
  text-wrap: balance;
}

.support-v2 .support-hero__lead {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--site-text-soft);
  font-size: clamp(16px, 1.7vw, 19px);
}

.support-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 34px;
}

.support-product-choice {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 196px;
  align-content: start;
  gap: 9px;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--site-line-strong);
  border-radius: var(--site-radius-md);
  background: var(--site-panel);
  transition: transform 200ms var(--site-ease), border-color 200ms ease, background 200ms ease;
}

.support-product-choice::after {
  position: absolute;
  right: -38px;
  bottom: -56px;
  width: 150px;
  height: 150px;
  content: "";
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: .12;
}

.support-product-choice--gwc { color: var(--site-cyan); }
.support-product-choice--gpl { color: var(--site-cyan); }
.support-product-choice:hover { transform: translateY(-3px); border-color: currentColor; background: var(--site-panel-strong); }
.support-product-choice__code { font: 700 11px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: .15em; }
.support-product-choice strong { color: var(--site-text); font-size: clamp(24px, 3vw, 34px); letter-spacing: -.045em; }
.support-product-choice > span:not(.support-product-choice__code) { color: var(--site-text-soft); font-size: 13px; line-height: 1.55; }
.support-product-choice b { display: inline-flex; align-items: center; gap: 8px; margin-top: auto; color: currentColor; font-size: 12px; }
.support-product-choice b span { font-size: 16px; }

.support-task-panel {
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--site-line-strong);
  border-radius: var(--site-radius-md);
  background: rgba(16, 20, 28, .88);
  box-shadow: var(--site-shadow);
}

.support-task-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--site-line);
}

.support-task-panel__note { color: var(--site-text-dim); font-size: 12px; }
.support-checklist { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: support-step; }
.support-checklist li { position: relative; display: grid; grid-template-columns: minmax(112px, .64fr) minmax(0, 1fr); gap: 16px; align-items: baseline; padding: 14px 0 14px 28px; border-bottom: 1px solid var(--site-line); counter-increment: support-step; }
.support-checklist li:last-child { border-bottom: 0; padding-bottom: 0; }
.support-checklist li::before { position: absolute; top: 16px; left: 0; color: var(--site-cyan); content: counter(support-step, decimal-leading-zero); font: 600 10px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.support-checklist strong { color: var(--site-text); font-size: 14px; }
.support-checklist span { color: var(--site-text-dim); font-size: 12px; line-height: 1.55; }

.support-quick-tasks { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 28px; border-top: 1px solid var(--site-line); border-bottom: 1px solid var(--site-line); }
.support-quick-tasks a { display: grid; gap: 5px; min-width: 0; padding: 17px 20px; border-inline: 1px solid var(--site-line); transition: background 180ms ease, color 180ms ease; }
.support-quick-tasks a + a { border-left: 0; }
.support-quick-tasks a:hover { color: var(--site-cyan); background: rgba(100,222,239,.05); }
.support-quick-tasks span { color: var(--site-cyan); font: 600 10px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; }
.support-quick-tasks strong { color: var(--site-text); font-size: 14px; }
.support-quick-tasks small { color: var(--site-text-dim); font-size: 11px; }

.support-diagnosis { overflow: clip; background: linear-gradient(180deg, rgba(255,255,255,.018), transparent); }
.support-diagnosis__layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); align-items: center; gap: clamp(30px, 6vw, 86px); }
.support-diagnosis__copy { min-width: 0; }
.support-diagnosis .section-lead { max-width: 620px; }
.support-prep-list { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid var(--site-line-strong); }
.support-prep-list > div { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 18px; padding: 14px 0; border-bottom: 1px solid var(--site-line); }
.support-prep-list b { color: var(--site-text); font-size: 13px; }
.support-prep-list span { color: var(--site-text-soft); font-size: 13px; }
.support-environment { position: relative; min-width: 0; aspect-ratio: 16 / 9; margin: 0; overflow: hidden; border: 1px solid var(--site-line-strong); border-radius: var(--site-radius-md); background: #090c11; box-shadow: var(--site-shadow); }
.support-environment::after { position: absolute; inset: 0; content: ""; pointer-events: none; background: linear-gradient(90deg, rgba(7,9,13,.62), rgba(7,9,13,.22) 55%, rgba(7,9,13,.74)); mix-blend-mode: multiply; }
.support-environment img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.58) contrast(1.12) saturate(.58); }
.support-environment figcaption { position: absolute; z-index: 1; right: 15px; bottom: 13px; color: rgba(242,245,250,.66); font: 500 10px/1.2 "JetBrains Mono", "Space Grotesk", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; letter-spacing: .06em; }

.support-v2 .support-route-shell { padding-top: 0; }
.support-v2 .support-card { min-height: 0; padding: 24px; }
.support-v2 .support-card h2 { margin: 24px 0 8px; }
.support-v2 .support-card a + a { margin-left: 14px; }

@media (max-width: 760px) {
  .support-v2 .support-hero__layout,
  .support-diagnosis__layout { grid-template-columns: 1fr; gap: 34px; }
  .support-v2 .support-hero { padding-block: 46px 30px; }
  .support-v2 .support-hero h1 { font-size: clamp(40px, 12vw, 62px); }
  .support-product-grid { grid-template-columns: 1fr; margin-top: 26px; }
  .support-product-choice { min-height: 158px; }
  .support-task-panel { padding: 20px 18px; }
  .support-checklist li { grid-template-columns: 1fr; gap: 5px; padding-block: 13px; }
  .support-checklist li::before { top: 14px; }
  .support-quick-tasks { grid-template-columns: 1fr; }
  .support-quick-tasks a,
  .support-quick-tasks a + a { border: 0; border-bottom: 1px solid var(--site-line); }
  .support-quick-tasks a:last-child { border-bottom: 0; }
  .support-diagnosis__layout { gap: 28px; }
  .support-prep-list > div { grid-template-columns: 96px minmax(0, 1fr); gap: 12px; }
  .support-environment { aspect-ratio: 16 / 9; }
}

@media (prefers-reduced-motion: reduce) {
  .support-product-choice,
  .support-quick-tasks a { transition: none; }
}

@media print {
  .site-header, .site-footer, .skip-link, .button { display: none !important; }
  body.site-v2 { color: #111; background: #fff; }
  .shell { width: 100%; }
}