@view-transition { navigation: auto; }

:root {
  --bg: #030711;
  --bg-soft: #07111f;
  --theme-bg: #07111f;
  --surface: color-mix(in srgb, #0b1526 84%, transparent);
  --surface-strong: color-mix(in srgb, #10213b 92%, transparent);
  --line: rgba(145, 220, 255, .18);
  --line-strong: rgba(64, 229, 255, .42);
  --text: #f5fbff;
  --muted: #a8bdd2;
  --muted-2: #70879f;
  --primary: #20e7ff;
  --primary-rgb: 32, 231, 255;
  --primary-soft: rgba(var(--primary-rgb), .16);
  --secondary: #7c5cff;
  --secondary-rgb: 124, 92, 255;
  --accent: #ffbf5e;
  --accent-rgb: 255, 191, 94;
  --success: #62ffb1;
  --danger: #ff6b8b;
  --shadow: 0 24px 80px rgba(0, 0, 0, .38);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --header-h: 78px;
  --font: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 16% -10%, rgba(var(--primary-rgb), .22), transparent 30rem),
    radial-gradient(circle at 84% 4%, rgba(var(--secondary-rgb), .24), transparent 34rem),
    linear-gradient(180deg, #030711 0%, #06101e 44%, #02050c 100%);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -4;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.85), transparent 78%);
  pointer-events: none;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background: radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 20%), rgba(var(--primary-rgb), .13), transparent 22rem);
  pointer-events: none;
  transition: opacity .2s ease;
}

::selection { background: rgba(var(--primary-rgb), .28); color: #fff; }

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  transform: translateY(-140%);
  background: var(--primary);
  color: #00131a;
  padding: .7rem 1rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }

#brain-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: .72;
}

.aurora {
  position: fixed;
  inset: -20%;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 24%, rgba(var(--primary-rgb), .22), transparent 34rem),
    radial-gradient(circle at 80% 14%, rgba(var(--secondary-rgb), .25), transparent 38rem),
    radial-gradient(circle at 50% 86%, rgba(var(--accent-rgb), .08), transparent 32rem);
  filter: blur(24px) saturate(1.2);
  animation: auroraMove 16s ease-in-out infinite alternate;
}

.scanline {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent 0, rgba(255,255,255,.025) 50%, transparent 100%);
  background-size: 100% 6px;
  mix-blend-mode: overlay;
  opacity: .34;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 32px, calc(var(--max) + 48px));
  margin: 0 auto;
  padding: 14px 0;
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
}

.site-header[data-elevated="true"] {
  background: rgba(3, 7, 17, .68);
  border: 1px solid rgba(145, 220, 255, .11);
  border-radius: 0 0 24px 24px;
  padding-inline: 18px;
  backdrop-filter: blur(18px) saturate(1.35);
  box-shadow: 0 16px 70px rgba(0,0,0,.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  white-space: nowrap;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), .18), rgba(var(--secondary-rgb), .1));
  box-shadow: 0 0 32px rgba(var(--primary-rgb), .16), inset 0 0 22px rgba(var(--primary-rgb), .11);
}
.brand-mark svg { width: 25px; height: 25px; overflow: visible; }
.brand-mark path:first-child { fill: rgba(var(--primary-rgb), .1); stroke: var(--primary); stroke-width: 2; }
.brand-mark path:last-child { fill: none; stroke: rgba(255,255,255,.76); stroke-width: 2; stroke-linecap: round; }

.site-nav { display: flex; align-items: center; }
.nav-toggle { display: none; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(145, 220, 255, .12);
  border-radius: 999px;
  padding: 6px;
  background: rgba(7, 17, 31, .48);
  backdrop-filter: blur(18px);
}
.nav-menu a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-menu a:hover, .nav-menu a:focus-visible {
  color: var(--text);
  background: rgba(255,255,255,.07);
  outline: none;
}
.nav-menu .nav-cta {
  color: #00131a;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #9dffef);
  box-shadow: 0 8px 32px rgba(var(--primary-rgb), .16);
}
.nav-menu .nav-cta:hover { color: #00131a; transform: translateY(-1px); }

.section-shell {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
  position: relative;
  content-visibility: auto;
  contain-intrinsic-size: 780px;
}

.hero {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(360px, .74fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(44px, 8vw, 104px) 0 clamp(64px, 9vw, 120px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  box-shadow: 0 0 16px rgba(var(--primary-rgb), .7);
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 8.4vw, 7.6rem);
  line-height: .95;
  letter-spacing: -.07em;
}
h1 span, h2 span {
  background: linear-gradient(90deg, #fff 0%, var(--primary) 45%, #bdafff 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 48px rgba(var(--primary-rgb), .1);
}
h2 {
  margin-bottom: 18px;
  max-width: 820px;
  font-size: clamp(2.1rem, 4.8vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.055em;
}
h3 {
  margin-bottom: 10px;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: -.025em;
}
p { color: var(--muted); }
.hero-subtitle {
  max-width: 720px;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: #c3d5e6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 850;
  border: 1px solid rgba(255,255,255,.13);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover, .button:focus-visible {
  transform: translateY(-2px);
  outline: none;
}
.button-primary {
  color: #02131a;
  background: linear-gradient(135deg, var(--primary), #9dffef 56%, #fff 120%);
  box-shadow: 0 22px 54px rgba(var(--primary-rgb), .2);
}
.button-primary:hover { box-shadow: 0 24px 72px rgba(var(--primary-rgb), .32); }
.button-ghost {
  background: rgba(255,255,255,.045);
  color: var(--text);
  backdrop-filter: blur(14px);
}
.button-ghost:hover { border-color: var(--line-strong); background: rgba(var(--primary-rgb), .08); }

.hero-panel,
.security-card,
.contact-inner {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(13, 29, 51, .82), rgba(5, 10, 20, .72));
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.08);
  backdrop-filter: blur(26px) saturate(1.25);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: 18px;
  isolation: isolate;
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 10%, rgba(var(--primary-rgb), .24), transparent 24rem),
    radial-gradient(circle at 90% 80%, rgba(var(--secondary-rgb), .22), transparent 22rem);
}
.hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 70%);
}
.panel-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  border-bottom: 1px solid rgba(145,220,255,.13);
  margin: -4px -4px 16px;
  padding: 0 4px 14px;
  color: var(--muted-2);
  font-size: 12px;
  letter-spacing: .12em;
}
.panel-topbar span { width: 9px; height: 9px; border-radius: 50%; background: var(--danger); }
.panel-topbar span:nth-child(2) { background: var(--accent); }
.panel-topbar span:nth-child(3) { background: var(--success); }
.panel-topbar strong { margin-left: auto; font-size: 11px; color: var(--muted); }

.ops-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.ops-card {
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(145,220,255,.12);
  border-radius: 20px;
  padding: 16px;
  background: rgba(255,255,255,.045);
}
.ops-card.emphasis {
  grid-column: 1 / -1;
  min-height: 168px;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), .16), rgba(var(--secondary-rgb), .1));
}
.ops-card small {
  color: var(--muted-2);
  font-size: 12px;
}
.ops-card strong {
  display: block;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1;
  letter-spacing: -.05em;
}
.ops-card span { color: var(--muted); font-size: 13px; }
.pulse-map {
  position: relative;
  min-height: 210px;
  margin-top: 14px;
  border: 1px solid rgba(145,220,255,.1);
  border-radius: 22px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(var(--primary-rgb), .12), transparent 30%),
    linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}
.pulse-map::before,
.pulse-map::after {
  content: "";
  position: absolute;
  inset: 20%;
  border: 1px solid rgba(var(--primary-rgb), .3);
  border-radius: 50%;
  transform: rotateX(70deg) rotateZ(-18deg);
  animation: radarSweep 6s linear infinite;
}
.pulse-map::after { inset: 34%; animation-duration: 4s; animation-direction: reverse; border-color: rgba(var(--secondary-rgb), .35); }
.pulse-map span {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 6px rgba(var(--primary-rgb), .12), 0 0 30px rgba(var(--primary-rgb), .65);
  animation: nodePulse 1.8s ease-in-out infinite;
  animation-delay: var(--d);
}

.hero-scroll {
  position: absolute;
  left: 0;
  bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted-2);
  font-size: 11px;
  letter-spacing: .22em;
  writing-mode: vertical-rl;
}
.hero-scroll i {
  width: 2px;
  height: 56px;
  border-radius: 99px;
  background: linear-gradient(to bottom, transparent, var(--primary));
  animation: scrollHint 1.6s ease-in-out infinite;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: -28px;
  margin-bottom: clamp(90px, 12vw, 160px);
}
.metric-card {
  min-height: 154px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 12px;
  border: 1px solid rgba(145,220,255,.13);
  border-radius: var(--radius-lg);
  padding: 22px;
  background: rgba(255,255,255,.045);
  box-shadow: inset 0 1px rgba(255,255,255,.08);
  backdrop-filter: blur(18px);
}
.metric-value {
  color: var(--text);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 920;
  line-height: .9;
  letter-spacing: -.055em;
}
.metric-label { color: var(--muted); font-size: 14px; }

.section-heading {
  max-width: 860px;
  margin-bottom: clamp(32px, 6vw, 56px);
}
.section-heading p:last-child { max-width: 760px; font-size: 1.08rem; }

.platform,
.architecture,
.scenarios,
.security,
.contact {
  padding-block: clamp(70px, 11vw, 132px);
}

.capability-grid,
.scenario-grid {
  container-type: inline-size;
  display: grid;
  gap: 18px;
}
.capability-grid { grid-template-columns: repeat(4, 1fr); }
.scenario-grid { grid-template-columns: repeat(4, 1fr); }

.capability-card,
.scenario-card {
  position: relative;
  overflow: hidden;
  min-height: 290px;
  border: 1px solid rgba(145,220,255,.13);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.022));
  box-shadow: inset 0 1px rgba(255,255,255,.075);
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.capability-card::before,
.scenario-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), rgba(var(--primary-rgb), .22), transparent 18rem);
  opacity: 0;
  transition: opacity .25s ease;
}
.capability-card:hover,
.scenario-card:hover {
  transform: translateY(-7px);
  border-color: rgba(var(--primary-rgb), .34);
  background: linear-gradient(145deg, rgba(var(--primary-rgb), .09), rgba(255,255,255,.025));
}
.capability-card:hover::before,
.scenario-card:hover::before { opacity: 1; }
.capability-card > *, .scenario-card > * { position: relative; }
.card-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 72px;
  border: 1px solid rgba(var(--primary-rgb), .24);
  border-radius: 16px;
  color: var(--primary);
  background: rgba(var(--primary-rgb), .07);
  font-weight: 900;
}
.scenario-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-bottom: 64px;
  border-radius: 20px;
  background: rgba(255,255,255,.08);
  font-size: 28px;
}
.capability-card p,
.scenario-card p { margin-bottom: 0; color: #aec3d7; }

.arch-layout {
  display: grid;
  grid-template-columns: .95fr 1fr;
  align-items: center;
  gap: clamp(30px, 6vw, 80px);
}
.arch-visual {
  position: relative;
  aspect-ratio: 1;
  min-height: 420px;
  border: 1px solid rgba(145,220,255,.12);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(var(--primary-rgb), .12) 0 12%, transparent 13% 100%),
    radial-gradient(circle at 50% 50%, rgba(var(--secondary-rgb), .12), transparent 52%);
  box-shadow: inset 0 0 90px rgba(var(--primary-rgb), .07), 0 30px 90px rgba(0,0,0,.26);
  overflow: hidden;
}
.arch-visual::before {
  content: "";
  position: absolute;
  inset: 9%;
  border: 1px dashed rgba(var(--primary-rgb), .28);
  border-radius: 50%;
  animation: spin 22s linear infinite;
}
.arch-visual::after {
  content: "";
  position: absolute;
  inset: 24%;
  border: 1px dashed rgba(var(--secondary-rgb), .3);
  border-radius: 50%;
  animation: spin 16s linear infinite reverse;
}
.core-node {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  width: 152px;
  height: 152px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(var(--primary-rgb), .42);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--primary-rgb), .22), rgba(6,17,31,.92) 72%);
  box-shadow: 0 0 54px rgba(var(--primary-rgb), .28), inset 0 0 28px rgba(var(--primary-rgb), .18);
  text-align: center;
  font-weight: 900;
  line-height: 1.35;
}
.core-node span { color: var(--primary); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; }
.orbit {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  min-width: 116px;
  min-height: 48px;
  padding: 10px 16px;
  border: 1px solid rgba(145,220,255,.18);
  border-radius: 999px;
  background: rgba(7,17,31,.76);
  color: #eaf9ff;
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 50px rgba(0,0,0,.24);
}
.orbit-a { left: 50%; top: 8%; transform: translateX(-50%); }
.orbit-b { right: 5%; top: 48%; transform: translateY(-50%); }
.orbit-c { left: 50%; bottom: 8%; transform: translateX(-50%); }
.orbit-d { left: 5%; top: 48%; transform: translateY(-50%); }
.arch-list {
  display: grid;
  gap: 14px;
}
.arch-item {
  border: 1px solid rgba(145,220,255,.13);
  border-radius: 20px;
  padding: 20px 22px;
  background: rgba(255,255,255,.045);
}
.arch-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}
.arch-item p { margin: 0; }

.security-card {
  display: grid;
  grid-template-columns: 1fr .86fr;
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
  border-radius: var(--radius-xl);
  padding: clamp(28px, 5vw, 62px);
}
.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  position: relative;
  padding-left: 34px;
  color: #d9e8f6;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--success) 0 32%, rgba(98,255,177,.13) 34% 100%);
  box-shadow: 0 0 24px rgba(98,255,177,.18);
}

.contact-inner {
  position: relative;
  overflow: hidden;
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
  border-radius: var(--radius-xl);
  padding: clamp(38px, 7vw, 88px) clamp(24px, 6vw, 74px);
}
.contact-inner::before {
  content: "";
  position: absolute;
  inset: -35%;
  background: conic-gradient(from 180deg, transparent, rgba(var(--primary-rgb), .18), rgba(var(--secondary-rgb), .16), transparent);
  animation: spin 10s linear infinite;
  opacity: .65;
}
.contact-inner > * { position: relative; }
.contact-inner p:not(.eyebrow) {
  max-width: 680px;
  margin-inline: auto;
}
.contact-mail {
  display: inline-flex;
  margin-top: 22px;
  color: var(--primary);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 900;
  letter-spacing: -.02em;
  border-bottom: 1px solid rgba(var(--primary-rgb), .5);
}
.contact-mail:hover { color: #fff; border-color: #fff; }

.site-footer {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 32px 0 44px;
  color: var(--muted-2);
  border-top: 1px solid rgba(145,220,255,.12);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px) scale(.985);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.75,.2,1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

@supports (animation-timeline: view()) {
  .capability-card,
  .scenario-card,
  .metric-card {
    animation: fadeUp linear both;
    animation-timeline: view();
    animation-range: entry 8% cover 30%;
  }
  .arch-visual {
    animation: softScale linear both;
    animation-timeline: view();
    animation-range: entry 5% cover 46%;
  }
}

@container (max-width: 760px) {
  .capability-grid,
  .scenario-grid { grid-template-columns: 1fr; }
}

@keyframes fadeUp { from { opacity: .1; transform: translateY(44px); } to { opacity: 1; transform: translateY(0); } }
@keyframes softScale { from { opacity: .3; transform: scale(.88); } to { opacity: 1; transform: scale(1); } }
@keyframes auroraMove { to { transform: translate3d(2%, -2%, 0) rotate(3deg) scale(1.04); } }
@keyframes radarSweep { to { transform: rotateX(70deg) rotateZ(342deg); } }
@keyframes nodePulse { 50% { transform: scale(1.5); box-shadow: 0 0 0 11px rgba(var(--primary-rgb), .04), 0 0 38px rgba(var(--primary-rgb), .9); } }
@keyframes scrollHint { 50% { transform: translateY(14px); opacity: .45; } }
@keyframes spin { to { rotate: 360deg; } }

@media (max-width: 1080px) {
  .hero,
  .arch-layout,
  .security-card { grid-template-columns: 1fr; }
  .hero-panel { max-width: 720px; }
  .metrics { grid-template-columns: repeat(2, 1fr); margin-top: 0; }
  .capability-grid,
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
  :root { --header-h: 70px; }
  body::before { background-size: 48px 48px; }
  .site-header { width: min(100% - 20px, var(--max)); }
  .brand-text { letter-spacing: .04em; }
  .nav-toggle {
    position: relative;
    z-index: 101;
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    border: 1px solid rgba(145,220,255,.18);
    border-radius: 14px;
    background: rgba(255,255,255,.06);
    color: #fff;
  }
  .nav-toggle span:not(.sr-only) {
    width: 18px;
    height: 2px;
    grid-area: 1 / 1;
    background: currentColor;
    border-radius: 99px;
    transition: transform .25s ease, opacity .25s ease;
  }
  .nav-toggle span:nth-child(1) { transform: translateY(-6px); }
  .nav-toggle span:nth-child(3) { transform: translateY(6px); }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg); }
  .nav-menu {
    position: fixed;
    top: 12px;
    left: 10px;
    right: 10px;
    z-index: 100;
    display: grid;
    gap: 8px;
    border-radius: 24px;
    padding: 76px 14px 14px;
    transform: translateY(-18px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
  }
  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-menu a { justify-content: flex-start; padding-inline: 16px; }
  .nav-menu .nav-cta { justify-content: center; }
  .section-shell { width: min(100% - 24px, var(--max)); }
  .hero { padding-top: 48px; }
  h1 { font-size: clamp(3rem, 17vw, 5.2rem); }
  .hero-actions .button { flex: 1 1 210px; }
  .ops-grid { grid-template-columns: 1fr; }
  .ops-card.emphasis { grid-column: auto; }
  .pulse-map { min-height: 180px; }
  .hero-scroll { display: none; }
  .metrics,
  .capability-grid,
  .scenario-grid { grid-template-columns: 1fr; }
  .metric-card { min-height: 130px; }
  .arch-visual { min-height: auto; }
  .orbit { min-width: 94px; font-size: 13px; }
  .core-node { width: 128px; height: 128px; }
  .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
  #brain-canvas, .scanline { display: none; }
  .reveal { opacity: 1; transform: none; }
}

/* 动态产品导航矩阵：由后台保存后生成 cache/site.json，前台纯静态读取 */
.product-nav {
  padding-block: clamp(70px, 11vw, 132px);
}
.product-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.product-nav-card {
  position: relative;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  border: 1px solid rgba(145,220,255,.14);
  border-radius: var(--radius-lg);
  padding: 24px;
  background:
    linear-gradient(145deg, rgba(var(--primary-rgb), .075), rgba(var(--secondary-rgb), .04)),
    rgba(255,255,255,.035);
  box-shadow: inset 0 1px rgba(255,255,255,.08), 0 20px 70px rgba(0,0,0,.18);
  transition: transform .25s ease, border-color .25s ease, background .25s ease, box-shadow .25s ease;
}
.product-nav-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), rgba(var(--primary-rgb), .26), transparent 18rem),
    linear-gradient(120deg, transparent, rgba(255,255,255,.08), transparent);
  opacity: 0;
  transition: opacity .25s ease;
}
.product-nav-card::after {
  content: "";
  position: absolute;
  right: -26px;
  top: -26px;
  width: 120px;
  height: 120px;
  border: 1px solid rgba(var(--primary-rgb), .16);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--primary-rgb), .15), transparent 62%);
  animation: productOrbit 7s linear infinite;
}
.product-nav-card > * { position: relative; z-index: 1; }
.product-nav-card:hover,
.product-nav-card:focus-visible {
  transform: translateY(-8px);
  border-color: rgba(var(--primary-rgb), .38);
  background:
    linear-gradient(145deg, rgba(var(--primary-rgb), .12), rgba(var(--secondary-rgb), .07)),
    rgba(255,255,255,.04);
  box-shadow: inset 0 1px rgba(255,255,255,.1), 0 28px 86px rgba(0,0,0,.26), 0 0 36px rgba(var(--primary-rgb), .08);
  outline: none;
}
.product-nav-card:hover::before,
.product-nav-card:focus-visible::before { opacity: 1; }
.product-nav-card h3 {
  margin-top: 48px;
  margin-bottom: 12px;
}
.product-nav-card p {
  margin-bottom: 28px;
  color: #b7cada;
}
.product-chip,
.product-link-label {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  border: 1px solid rgba(var(--primary-rgb), .24);
  border-radius: 999px;
  background: rgba(var(--primary-rgb), .08);
  color: var(--primary);
}
.product-chip {
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
}
.product-link-label {
  margin-top: auto;
  padding: 9px 13px;
  color: #dffbff;
  font-size: 13px;
}
.product-link-label::after {
  content: "↗";
  margin-left: 8px;
  color: var(--primary);
}
.product-nav-card.is-placeholder { pointer-events: none; }
@keyframes productOrbit { to { transform: rotate(360deg); } }

@media (max-width: 1080px) {
  .product-nav-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 780px) {
  .product-nav-grid { grid-template-columns: 1fr; }
  .product-nav-card { min-height: 220px; }
}

/* 2.1 统一工业大脑视觉系统、SVG 图标与全局交互 */
:root {
  --ib-bg-deep: #020610;
  --ib-bg-panel: rgba(7, 18, 33, .78);
  --ib-cyan: var(--primary);
  --ib-blue: #297dff;
  --ib-violet: var(--secondary);
  --ib-amber: var(--accent);
  --ib-grid: rgba(145, 220, 255, .105);
  --ib-glass: linear-gradient(145deg, rgba(20, 44, 76, .82), rgba(4, 10, 22, .72));
  --ib-border: 1px solid rgba(145, 220, 255, .16);
  --ib-ease: cubic-bezier(.2, .75, .2, 1);
}

body {
  background:
    radial-gradient(circle at 12% -10%, rgba(var(--primary-rgb), .26), transparent 32rem),
    radial-gradient(circle at 86% 3%, rgba(41, 125, 255, .18), transparent 34rem),
    radial-gradient(circle at 50% 92%, rgba(var(--accent-rgb), .08), transparent 34rem),
    linear-gradient(180deg, #020610 0%, #07111f 46%, #02050c 100%);
}

body::before {
  background-image:
    linear-gradient(var(--ib-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ib-grid) 1px, transparent 1px),
    linear-gradient(135deg, rgba(var(--primary-rgb), .035) 25%, transparent 25%, transparent 50%, rgba(var(--primary-rgb), .035) 50%, rgba(var(--primary-rgb), .035) 75%, transparent 75%);
  background-size: 72px 72px, 72px 72px, 18px 18px;
}

body::after {
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 20%), rgba(var(--primary-rgb), .14), transparent 22rem),
    linear-gradient(120deg, transparent 0 45%, rgba(var(--primary-rgb), .035) 50%, transparent 55% 100%);
}

.industrial-scroll-progress {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--primary), var(--ib-blue), var(--secondary), var(--accent));
  box-shadow: 0 0 18px rgba(var(--primary-rgb), .42);
  pointer-events: none;
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 26% 18%, rgba(var(--primary-rgb), .24), transparent 32rem),
    radial-gradient(circle at 76% 28%, rgba(var(--secondary-rgb), .2), transparent 34rem),
    linear-gradient(180deg, rgba(2,6,16,.98), rgba(3,9,20,.96));
  transition: opacity .46s ease, visibility .46s ease, transform .46s var(--ib-ease);
}
.page-loader::before,
.page-loader::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.page-loader::before {
  background-image:
    linear-gradient(rgba(145,220,255,.095) 1px, transparent 1px),
    linear-gradient(90deg, rgba(145,220,255,.075) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle, #000 0 52%, transparent 76%);
}
.page-loader::after {
  inset: -25%;
  background: conic-gradient(from 0deg, transparent, rgba(var(--primary-rgb), .16), rgba(var(--secondary-rgb), .14), transparent 55%);
  filter: blur(26px);
  animation: spin 7s linear infinite;
}
.page-loader.is-leaving {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.02);
}
.page-loader.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.page-loader__card {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  overflow: hidden;
  border: var(--ib-border);
  border-radius: 30px;
  padding: 34px;
  text-align: center;
  background: rgba(7,17,31,.78);
  box-shadow: 0 28px 100px rgba(0,0,0,.42), inset 0 1px rgba(255,255,255,.09);
  backdrop-filter: blur(24px) saturate(1.25);
}
.page-loader__card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent, rgba(var(--primary-rgb), .13), transparent);
  transform: translateX(-100%);
  animation: ibSweep 1.65s ease-in-out infinite;
}
.page-loader__icon {
  position: relative;
  width: 84px;
  height: 84px;
  margin: 0 auto 18px;
  color: var(--primary);
  filter: drop-shadow(0 0 22px rgba(var(--primary-rgb), .4));
  animation: ibFloat 2.4s ease-in-out infinite;
}
.page-loader__card strong,
.page-loader__card span,
.page-loader__card i { position: relative; z-index: 1; }
.page-loader__card strong {
  display: block;
  color: #f7fdff;
  font-size: clamp(1.35rem, 4vw, 2rem);
  letter-spacing: -.03em;
}
.page-loader__card span {
  display: block;
  margin-top: 8px;
  color: #a8bdd2;
  font-size: 14px;
}
.page-loader__card i {
  display: block;
  height: 4px;
  margin-top: 22px;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255,255,255,.1);
}
.page-loader__card i::before {
  content: "";
  display: block;
  height: 100%;
  width: 55%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--ib-blue), var(--secondary));
  animation: ibLoaderBar 1.1s ease-in-out infinite alternate;
}

.local-icon,
.product-icon svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand-mark,
.auth-mark,
.scenario-icon,
.product-icon,
.card-index {
  position: relative;
}
.brand-mark::after,
.scenario-icon::after,
.product-icon::after,
.card-index::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), .2), transparent, rgba(var(--secondary-rgb), .18));
  opacity: .52;
  pointer-events: none;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  padding: 1px;
  mask-composite: exclude;
  -webkit-mask-composite: xor;
}

.site-header[data-elevated="true"],
.hero-panel,
.security-card,
.contact-inner,
.metric-card,
.capability-card,
.scenario-card,
.product-nav-card,
.arch-item {
  border-color: rgba(145,220,255,.16);
  background-image:
    linear-gradient(145deg, rgba(18, 41, 72, .72), rgba(4, 10, 21, .62)),
    radial-gradient(circle at 12% 0%, rgba(var(--primary-rgb), .08), transparent 18rem);
}

.capability-card::after,
.scenario-card::after,
.metric-card::after,
.arch-item::after,
.product-nav-card .product-icon::before {
  content: "";
  position: absolute;
  pointer-events: none;
}
.capability-card::after,
.scenario-card::after,
.metric-card::after,
.arch-item::after {
  left: 18px;
  right: 18px;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), .46), transparent);
  opacity: .55;
}

.scenario-icon,
.product-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(var(--primary-rgb), .25);
  border-radius: 20px;
  color: var(--primary);
  background:
    radial-gradient(circle at 50% 35%, rgba(var(--primary-rgb), .2), transparent 58%),
    rgba(255,255,255,.055);
  box-shadow: inset 0 0 22px rgba(var(--primary-rgb), .08), 0 0 32px rgba(var(--primary-rgb), .08);
  font-size: 30px;
}
.scenario-icon { margin-bottom: 58px; }
.product-icon {
  margin-top: 32px;
  font-size: 31px;
}
.product-icon::before {
  inset: 9px;
  border: 1px dashed rgba(var(--primary-rgb), .34);
  border-radius: 16px;
  animation: spin 10s linear infinite;
}
.product-icon svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.product-nav-card h3 { margin-top: 16px; }

.button,
.nav-menu a,
.product-nav-card,
.capability-card,
.scenario-card,
.metric-card,
.arch-item,
.contact-mail {
  will-change: transform;
}
.metric-card:hover,
.arch-item:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--primary-rgb), .3);
  box-shadow: 0 24px 70px rgba(0,0,0,.22), 0 0 34px rgba(var(--primary-rgb), .075);
}
.metric-card,
.arch-item { transition: transform .25s var(--ib-ease), border-color .25s ease, box-shadow .25s ease; }

.hero-panel::before,
.contact-inner::before {
  animation-duration: 12s;
}
.ops-card,
.pulse-map,
.core-node,
.orbit {
  box-shadow: inset 0 1px rgba(255,255,255,.08), 0 18px 60px rgba(0,0,0,.18), 0 0 26px rgba(var(--primary-rgb), .045);
}

@keyframes ibSweep { to { transform: translateX(100%); } }
@keyframes ibFloat { 50% { transform: translateY(-6px) scale(1.04); } }
@keyframes ibLoaderBar { from { transform: translateX(-30%); } to { transform: translateX(112%); } }

@media (max-width: 960px) {
  .page-loader__card { padding: 28px 24px; }
  .scenario-icon { margin-bottom: 34px; }
  .product-icon { margin-top: 22px; }
}

@media (max-width: 480px) {
  .page-loader { padding: 16px; }
  .page-loader__icon { width: 68px; height: 68px; }
  .scenario-icon,
  .product-icon { width: 52px; height: 52px; border-radius: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-loader__card::before,
  .page-loader__icon,
  .page-loader__card i::before,
  .product-icon::before { animation: none !important; }
  .page-loader { transition: none !important; }
}


/* 3.0 桌面端工业视觉增强、智慧电厂背景、科技大脑悬浮层与字体收敛 */
:root {
  --scroll-ratio: 0;
  --section-ratio: 0;
  --pointer-nx: 0;
  --pointer-ny: 0;
  --font-size-base: 15.5px;
  --desktop-visual-opacity: .84;
}
html { font-size: var(--font-size-base); }
body { background-attachment: fixed; }

h1 { font-size: clamp(2.7rem, 6.1vw, 5.55rem); line-height: 1; letter-spacing: -.058em; }
h2 { font-size: clamp(1.85rem, 3.45vw, 3.35rem); line-height: 1.08; letter-spacing: -.045em; }
h3 { font-size: clamp(1.08rem, 1.45vw, 1.36rem); letter-spacing: -.018em; }
.eyebrow { font-size: 11px; margin-bottom: 14px; }
.hero-subtitle { font-size: clamp(.96rem, 1.08vw, 1.08rem); max-width: 660px; }
.section-heading p:last-child { font-size: .98rem; }
.button { min-height: 48px; padding-inline: 20px; font-size: .95rem; }
.ops-card strong { font-size: clamp(1.85rem, 3.4vw, 3.25rem); }
.metric-value { font-size: clamp(1.8rem, 3.1vw, 2.65rem); }
.metric-card { min-height: 138px; }
.card-index { margin-bottom: 48px; }
.scenario-icon { margin-bottom: 42px; }
.capability-card, .scenario-card { min-height: 250px; padding: 22px; }
.product-nav-card { min-height: 238px; }
.product-nav-card p, .capability-card p, .scenario-card p { font-size: .95rem; }

.page-loader__card { width: min(390px, 100%); padding: 28px; border-radius: 26px; }
.page-loader__icon { width: 66px; height: 66px; margin-bottom: 14px; }
.page-loader__card strong { font-size: clamp(1.05rem, 2.2vw, 1.45rem); letter-spacing: -.015em; }
.page-loader__card span { font-size: 12.5px; }
.loader-tags { position: relative; z-index: 1; display: flex; flex-wrap: wrap; justify-content: center; gap: 7px; margin-top: 14px; font-style: normal; }
.loader-tags b { border: 1px solid rgba(var(--primary-rgb), .22); border-radius: 999px; padding: 4px 8px; color: #b9f7ff; background: rgba(var(--primary-rgb), .07); font-size: 10px; line-height: 1; letter-spacing: .12em; }

.industrial-bg-stage {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  overflow: hidden;
  opacity: var(--desktop-visual-opacity);
  transform: translate3d(var(--ptr-stage-x, 0px), var(--ptr-stage-y, 0px), 0);
}
.industrial-bg-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--spot-x, 50%) var(--spot-y, 45%), rgba(var(--primary-rgb), .12), transparent 26rem),
    linear-gradient(180deg, transparent 0 48%, rgba(2,6,16,.24) 76%, rgba(2,6,16,.75));
}
.industrial-bg-svg {
  position: absolute;
  left: 50%;
  bottom: -10vh;
  width: max(1180px, 110vw);
  height: auto;
  overflow: visible;
  transform-origin: 50% 90%;
  transform:
    translate3d(calc(-50% + var(--ptr-bg-x, 0px)), calc(var(--scroll-bg-y, 0px) + var(--ptr-bg-y, 0px)), 0)
    scale(var(--scroll-scale, 1.02));
  transition: transform .1s linear;
  filter: drop-shadow(0 0 34px rgba(var(--primary-rgb), .05));
}
.plant-layer { fill: rgba(7, 17, 31, .72); stroke: rgba(145,220,255,.2); stroke-width: 2; vector-effect: non-scaling-stroke; }
.plant-layer-back { opacity: .34; transform: translateY(var(--plant-back-y, 0px)); }
.plant-layer-mid { opacity: .58; transform: translateY(var(--plant-mid-y, 0px)); }
.plant-layer-front { opacity: .92; }
.mount-grid { fill: rgba(5, 13, 24, .52); stroke: rgba(var(--primary-rgb), .11); }
.pipe-line { fill: none; stroke: rgba(145,220,255,.18); stroke-width: 8; stroke-linecap: round; stroke-dasharray: 12 18; animation: pipeFlow 11s linear infinite; }
.pipe-line-b { animation-duration: 15s; stroke: rgba(var(--secondary-rgb), .16); }
.cooling-tower, .boiler, .turbine, .transformer, .substation { fill: rgba(7,17,31,.82); stroke: rgba(145,220,255,.24); }
.equip-glow, .rotor { fill: none; stroke: rgba(var(--primary-rgb), .58); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 6 10; animation: dashMarch 4.6s linear infinite; }
.rotor { transform-box: fill-box; transform-origin: center; animation: rotorSpin 8s linear infinite; }
.steam { fill: none; stroke: rgba(var(--primary-rgb), .18); stroke-width: 5; stroke-linecap: round; opacity: .72; animation: steamFloat 5.5s ease-in-out infinite; }
.tower-b .steam { animation-delay: .9s; }
.energy-path { fill: none; stroke: url(#ibGlow); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 18 28; filter: drop-shadow(0 0 10px rgba(var(--primary-rgb), .28)); animation: energyDash 3.8s linear infinite; }
.energy-path-b { animation-duration: 5.1s; opacity: .62; }
.data-nodes circle { fill: var(--primary); filter: drop-shadow(0 0 12px rgba(var(--primary-rgb), .72)); animation: dataPulse 2.4s ease-in-out infinite; }
.data-nodes circle:nth-child(2n) { animation-delay: .7s; }
.data-nodes circle:nth-child(3n) { animation-delay: 1.1s; }

.tech-brain-float {
  position: fixed;
  right: clamp(-120px, 5vw, 72px);
  top: clamp(110px, 18vh, 190px);
  z-index: -1;
  width: clamp(220px, 27vw, 420px);
  height: clamp(220px, 27vw, 420px);
  pointer-events: none;
  opacity: .58;
  mix-blend-mode: screen;
  transform:
    translate3d(var(--brain-x, 0px), calc(var(--brain-y, 0px) + var(--scroll-brain-y, 0px)), 0)
    rotate(var(--brain-rot, 0deg));
  transition: transform .12s linear;
}
.tech-brain-float svg { width: 100%; height: 100%; overflow: visible; filter: drop-shadow(0 0 30px rgba(var(--primary-rgb), .22)); }
.brain-ring { fill: none; stroke: rgba(var(--primary-rgb), .26); stroke-width: 1.5; stroke-dasharray: 10 16; transform-box: fill-box; transform-origin: center; animation: brainRingSpin 25s linear infinite; }
.brain-ring-b { stroke: rgba(var(--secondary-rgb), .28); animation-duration: 18s; animation-direction: reverse; }
.brain-cloud { fill: rgba(7,17,31,.52); stroke: rgba(191,247,255,.52); stroke-width: 3; animation: brainBreath 4.2s ease-in-out infinite; }
.brain-circuit { fill: none; stroke: rgba(var(--primary-rgb), .7); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 16 22; animation: dashMarch 6s linear infinite; }
.brain-points circle { fill: var(--primary); animation: dataPulse 2.2s ease-in-out infinite; }
.brain-core-glow { animation: brainGlow 4.8s ease-in-out infinite; }

.hero-panel { transform-style: preserve-3d; }
.hero-panel::after { animation: panelGridDrift 12s linear infinite; }
.equipment-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.equipment-strip span {
  display: grid;
  place-items: center;
  gap: 6px;
  min-height: 76px;
  border: 1px solid rgba(145,220,255,.12);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(var(--primary-rgb), .06), rgba(255,255,255,.025));
  color: var(--primary);
  overflow: hidden;
  position: relative;
}
.equipment-strip span::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent, rgba(var(--primary-rgb), .11), transparent); transform: translateX(-110%); animation: ibSweep 4.2s ease-in-out infinite; }
.equipment-strip svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.equipment-strip b { color: #bbd2e6; font-size: 12px; font-weight: 700; }

.capability-card:hover, .scenario-card:hover, .product-nav-card:hover, .metric-card:hover, .arch-item:hover {
  transform: translateY(-7px) scale(1.008);
}
.capability-card::before, .scenario-card::before, .product-nav-card::before {
  background:
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), rgba(var(--primary-rgb), .24), transparent 15rem),
    conic-gradient(from 160deg at var(--card-x, 50%) var(--card-y, 0%), transparent, rgba(var(--accent-rgb), .06), transparent 34%);
}
.capability-card h3, .scenario-card h3, .product-nav-card h3 { text-wrap: balance; }
.reveal { transform: translateY(22px) scale(.992); }
.reveal.is-visible { transform: translateY(0) scale(1); }

@keyframes pipeFlow { to { stroke-dashoffset: -180; } }
@keyframes dashMarch { to { stroke-dashoffset: -160; } }
@keyframes energyDash { to { stroke-dashoffset: -240; } }
@keyframes rotorSpin { to { transform: rotate(360deg); } }
@keyframes steamFloat { 0%,100% { opacity: .3; transform: translateY(0) scale(1); } 50% { opacity: .76; transform: translateY(-18px) scale(1.06); } }
@keyframes dataPulse { 0%,100% { opacity: .52; transform: scale(.92); } 50% { opacity: 1; transform: scale(1.25); } }
@keyframes brainRingSpin { to { transform: rotate(360deg); } }
@keyframes brainBreath { 50% { transform: scale(1.018); filter: drop-shadow(0 0 18px rgba(var(--primary-rgb), .32)); } }
@keyframes brainGlow { 50% { opacity: .48; transform: scale(1.05); } }
@keyframes panelGridDrift { to { background-position: 28px 28px; } }

@media (min-width: 1081px) {
  .hero { grid-template-columns: minmax(0, 1.08fr) minmax(330px, .68fr); }
  .hero-copy { transform: translate3d(var(--hero-copy-x, 0px), var(--hero-copy-y, 0px), 0); }
  .hero-panel { transform: perspective(1200px) rotateY(var(--panel-ry, 0deg)) rotateX(var(--panel-rx, 0deg)); transition: transform .12s linear; }
  .site-header[data-elevated="true"] { box-shadow: 0 18px 80px rgba(0,0,0,.26), 0 0 34px rgba(var(--primary-rgb), .045); }
}

@media (max-width: 1080px) {
  :root { --desktop-visual-opacity: .42; }
  .industrial-bg-svg { width: 1280px; bottom: -4vh; }
  .tech-brain-float { opacity: .34; right: -110px; top: 130px; }
}
@media (max-width: 780px) {
  html { font-size: 15px; }
  h1 { font-size: clamp(2.35rem, 12vw, 3.9rem); letter-spacing: -.045em; }
  h2 { font-size: clamp(1.65rem, 7.5vw, 2.35rem); }
  .hero-subtitle { font-size: .94rem; }
  .button { min-height: 46px; font-size: .92rem; }
  #brain-canvas { opacity: .26; }
  .scanline { opacity: .16; }
  .industrial-bg-stage { opacity: .18; transform: none; }
  .industrial-bg-svg { width: 980px; bottom: -2vh; transform: translateX(-50%) scale(1.02); }
  .plant-layer-back, .pipe-line, .energy-path, .steam { animation: none; }
  .tech-brain-float { display: none; }
  .equipment-strip { grid-template-columns: 1fr; }
  .equipment-strip span { min-height: 58px; grid-template-columns: 26px 1fr; justify-items: start; padding: 0 14px; }
  .capability-card:hover, .scenario-card:hover, .product-nav-card:hover, .metric-card:hover, .arch-item:hover { transform: none; }
  .page-loader__card { width: min(340px, 100%); padding: 24px 20px; }
  .page-loader__icon { width: 56px; height: 56px; }
  .loader-tags { display: none; }
}
@media (max-width: 480px) {
  h1 { font-size: clamp(2.15rem, 12.5vw, 3.25rem); }
  h2 { font-size: clamp(1.48rem, 7.6vw, 2.05rem); }
  .ops-card strong { font-size: 2rem; }
  .metric-value { font-size: 1.9rem; }
  .page-loader__card strong { font-size: 1rem; }
  .page-loader__card span { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .industrial-bg-stage, .tech-brain-float { opacity: .18; transform: none !important; }
  .pipe-line, .equip-glow, .rotor, .steam, .energy-path, .data-nodes circle, .brain-ring, .brain-cloud, .brain-circuit, .brain-points circle, .brain-core-glow, .equipment-strip span::before { animation: none !important; }
}


/* 3.1 首页背景化工业素材与交互统一优化 */
body {
  background:
    radial-gradient(circle at 14% -12%, rgba(var(--primary-rgb), .18), transparent 28rem),
    radial-gradient(circle at 90% 8%, rgba(var(--secondary-rgb), .18), transparent 34rem),
    linear-gradient(180deg, #030711 0%, #06111e 36%, #02050c 100%);
}

.hero {
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 8% 0 auto;
  height: 280px;
  background:
    radial-gradient(circle at 28% 34%, rgba(var(--primary-rgb), .16), transparent 18rem),
    radial-gradient(circle at 78% 40%, rgba(var(--secondary-rgb), .12), transparent 20rem);
  filter: blur(16px);
  pointer-events: none;
  z-index: -1;
}

.hero-copy {
  position: relative;
  z-index: 2;
}
.hero-copy::after {
  content: "";
  position: absolute;
  left: -18px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(var(--primary-rgb), .6), rgba(var(--primary-rgb), 0));
  box-shadow: 0 0 20px rgba(var(--primary-rgb), .28);
  opacity: .75;
}

.hero-panel {
  background:
    linear-gradient(145deg, rgba(12, 28, 48, .84), rgba(4, 9, 19, .8)),
    radial-gradient(circle at 0% 0%, rgba(var(--primary-rgb), .08), transparent 16rem);
  box-shadow: 0 28px 90px rgba(0,0,0,.34), inset 0 1px rgba(255,255,255,.08), 0 0 40px rgba(var(--primary-rgb), .04);
}
.hero-panel::before {
  background:
    radial-gradient(circle at 18% 8%, rgba(var(--primary-rgb), .18), transparent 20rem),
    radial-gradient(circle at 90% 82%, rgba(var(--secondary-rgb), .18), transparent 18rem);
}
.hero-panel::after {
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px),
    linear-gradient(180deg, transparent 0 70%, rgba(var(--primary-rgb), .05));
}

.ops-card {
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.028));
}
.ops-card.emphasis {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), .14), rgba(var(--secondary-rgb), .08) 72%, rgba(255,255,255,.02));
}
.pulse-map {
  min-height: 188px;
  background:
    radial-gradient(circle at 50% 50%, rgba(var(--primary-rgb), .11), transparent 30%),
    linear-gradient(180deg, rgba(7,17,31,.6), rgba(9,18,34,.32));
}
.pulse-map::before,
.pulse-map::after {
  border-width: 1px;
  opacity: .8;
}

.ops-status-line {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}
.ops-status-line span {
  position: relative;
  min-height: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid rgba(145,220,255,.1);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
  color: #b7cfe1;
  font-size: 12.5px;
  overflow: hidden;
}
.ops-status-line span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent, rgba(var(--primary-rgb), .09), transparent);
  transform: translateX(-120%);
  animation: ibSweep 5.8s ease-in-out infinite;
}
.ops-status-line i {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), .14), 0 0 12px rgba(var(--primary-rgb), .46);
}

.industrial-bg-stage {
  inset: auto 0 0;
  height: min(100vh, 920px);
  opacity: .64;
  mix-blend-mode: screen;
  mask-image: linear-gradient(180deg, transparent 0, rgba(0,0,0,.42) 12%, rgba(0,0,0,.94) 34%, rgba(0,0,0,.96) 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0, rgba(0,0,0,.42) 12%, rgba(0,0,0,.94) 34%, rgba(0,0,0,.96) 80%, transparent 100%);
}
.industrial-bg-stage::before {
  background:
    radial-gradient(circle at var(--spot-x, 50%) var(--spot-y, 50%), rgba(var(--primary-rgb), .1), transparent 20rem),
    linear-gradient(180deg, transparent 0 55%, rgba(2,6,16,.08) 76%, rgba(2,6,16,.35));
}
.industrial-bg-stage::after {
  content: "";
  position: absolute;
  inset: 10% 0 auto;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(var(--primary-rgb), .16), rgba(var(--secondary-rgb), .16), transparent);
  filter: blur(1px);
  opacity: .7;
}
.industrial-bg-svg {
  bottom: -14vh;
  opacity: .82;
  transform:
    translate3d(calc(-50% + var(--ptr-bg-x, 0px)), calc(var(--scroll-bg-y, 0px) + var(--ptr-bg-y, 0px)), 0)
    scale(var(--scroll-scale, 1.02));
  filter: drop-shadow(0 0 42px rgba(var(--primary-rgb), .05));
}
.plant-layer {
  fill: rgba(7, 17, 31, .1);
  stroke: rgba(155, 228, 255, .18);
  stroke-width: 1.8;
}
.plant-layer-back { opacity: .2; }
.plant-layer-mid { opacity: .42; }
.plant-layer-front { opacity: .7; }
.mount-grid {
  fill: rgba(7, 17, 31, .06);
  stroke: rgba(var(--primary-rgb), .08);
}
.pipe-line {
  stroke: rgba(145,220,255,.12);
  stroke-width: 7;
}
.pipe-line-b { stroke: rgba(var(--secondary-rgb), .1); }
.cooling-tower, .boiler, .turbine, .transformer, .substation {
  fill: rgba(8, 18, 30, .16);
  stroke: rgba(155, 228, 255, .2);
}
.steam { stroke: rgba(var(--primary-rgb), .14); opacity: .54; }
.energy-path { stroke-width: 3.4; opacity: .82; }
.data-nodes circle { filter: drop-shadow(0 0 8px rgba(var(--primary-rgb), .52)); }

.industrial-hud {
  position: absolute;
  display: grid;
  gap: 8px;
  min-width: 230px;
  max-width: 320px;
  padding: 14px 16px;
  border: 1px solid rgba(145,220,255,.12);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(7,17,31,.26), rgba(7,17,31,.12));
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 48px rgba(0,0,0,.16), inset 0 1px rgba(255,255,255,.06);
  color: #d8effb;
  opacity: .86;
}
.industrial-hud::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(110deg, transparent, rgba(var(--primary-rgb), .08), transparent);
  transform: translateX(-100%);
  animation: ibSweep 7s ease-in-out infinite;
}
.industrial-hud--left {
  left: clamp(24px, 7vw, 110px);
  bottom: clamp(210px, 28vh, 280px);
  animation: hudFloat 8.5s ease-in-out infinite;
}
.industrial-hud--right {
  right: clamp(20px, 5vw, 110px);
  top: clamp(140px, 24vh, 230px);
  animation: hudFloat 10s ease-in-out infinite reverse;
}
.industrial-hud__label {
  font-size: 10px;
  letter-spacing: .18em;
  color: #87d7e3;
}
.industrial-hud strong {
  font-size: 1rem;
  letter-spacing: -.015em;
}
.industrial-hud p {
  margin: 0;
  font-size: 12px;
  line-height: 1.65;
  color: #a9c0d4;
}
.industrial-hud ul {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.industrial-hud li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 10px;
  align-items: center;
  color: #bbd4e7;
  font-size: 12px;
}
.industrial-hud li b {
  display: grid;
  place-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: rgba(var(--primary-rgb), .08);
  border: 1px solid rgba(var(--primary-rgb), .18);
  color: #b3fbff;
  font-size: 10px;
}

.tech-brain-float {
  opacity: .42;
  right: clamp(-100px, 4vw, 52px);
  top: clamp(110px, 16vh, 180px);
}
.tech-brain-float::after {
  content: "";
  position: absolute;
  inset: 18% 20%;
  border-radius: 50%;
  border: 1px dashed rgba(var(--primary-rgb), .18);
  animation: brainRingSpin 22s linear infinite reverse;
}
.hero-scroll span { color: rgba(180, 205, 224, .8); }

.metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item, .security-card, .contact-inner {
  box-shadow: 0 24px 72px rgba(0,0,0,.22), inset 0 1px rgba(255,255,255,.05);
}
.metric-card:hover, .capability-card:hover, .scenario-card:hover, .product-nav-card:hover, .arch-item:hover {
  box-shadow: 0 28px 90px rgba(0,0,0,.3), 0 0 30px rgba(var(--primary-rgb), .08);
}
.section-heading p:last-child { color: #a8bdd2; }

@keyframes hudFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@media (min-width: 1180px) {
  .hero { align-items: center; }
  .hero-panel { margin-right: -10px; }
}
@media (max-width: 1080px) {
  .industrial-bg-stage { opacity: .42; }
  .industrial-hud--right { right: 24px; top: 160px; }
  .industrial-hud--left { left: 24px; bottom: 230px; }
}
@media (max-width: 900px) {
  .hero-copy::after { display: none; }
  .ops-status-line { grid-template-columns: 1fr; }
  .industrial-hud { max-width: 260px; padding: 12px 14px; }
}
@media (max-width: 780px) {
  .industrial-bg-stage {
    height: 62vh;
    opacity: .2;
    mix-blend-mode: normal;
    mask-image: linear-gradient(180deg, transparent 0, rgba(0,0,0,.7) 22%, rgba(0,0,0,.9) 70%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0, rgba(0,0,0,.7) 22%, rgba(0,0,0,.9) 70%, transparent 100%);
  }
  .industrial-bg-svg { bottom: -12vh; opacity: .58; }
  .industrial-hud, .hero::before, .tech-brain-float::after { display: none; }
  .ops-status-line span { min-height: 44px; font-size: 12px; }
}
@media (max-width: 480px) {
  .ops-status-line { gap: 8px; }
  .ops-status-line span { padding-inline: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .industrial-hud, .ops-status-line span::after, .tech-brain-float::after { animation: none !important; }
}


/* 3.2 主题系统、前台产品弹窗与专业化官网统一优化 */
body[data-theme="industrial-cyan"] {
  --primary: #20e7ff; --secondary: #7c5cff; --accent: #ffbf5e; --line-strong: rgba(64,229,255,.42);
}
body[data-theme="deep-blue"] {
  --primary: #4dc8ff; --secondary: #1f7aff; --accent: #7fe0ff; --line-strong: rgba(77,200,255,.42);
}
body[data-theme="emerald-energy"] {
  --primary: #31e7c0; --secondary: #15a37e; --accent: #bafc5c; --line-strong: rgba(49,231,192,.42);
}
body[data-theme="violet-neural"] {
  --primary: #7ce7ff; --secondary: #9b6dff; --accent: #ff8be0; --line-strong: rgba(124,231,255,.42);
}
body[data-theme="amber-command"] {
  --primary: #ffca62; --secondary: #ff8b3d; --accent: #ffe7a5; --line-strong: rgba(255,202,98,.42);
}
body.modal-open { overflow: hidden; }

.product-nav-overview {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(320px, .72fr);
  gap: 18px;
  align-items: stretch;
}
.product-nav-summary,
.product-nav-actions {
  border: 1px solid rgba(145,220,255,.14);
  border-radius: 28px;
  padding: clamp(22px, 4vw, 34px);
  background:
    linear-gradient(145deg, rgba(18, 41, 72, .72), rgba(4, 10, 21, .62)),
    radial-gradient(circle at 12% 0%, rgba(var(--primary-rgb), .08), transparent 18rem);
  box-shadow: 0 24px 72px rgba(0,0,0,.22), inset 0 1px rgba(255,255,255,.05);
}
.product-nav-summary {
  display: grid;
  align-content: center;
  gap: 8px;
}
.product-nav-kicker {
  color: var(--primary);
  font-size: 11px;
  letter-spacing: .18em;
}
.product-nav-summary strong {
  font-size: clamp(2.8rem, 6vw, 4.4rem);
  line-height: 1;
  letter-spacing: -.06em;
}
.product-nav-summary p,
.product-nav-actions p,
.product-nav-caption {
  margin: 0;
  color: #a8bdd2;
  font-size: .95rem;
}
.product-nav-actions {
  display: grid;
  align-content: center;
  gap: 16px;
}
.product-nav-actions .button { width: fit-content; }

.product-modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .28s ease, visibility .28s ease;
}
.product-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.product-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 16, .74);
  backdrop-filter: blur(14px);
}
.product-modal__panel {
  position: relative;
  width: min(960px, calc(100% - 32px));
  max-height: min(84svh, 920px);
  overflow: auto;
  border: 1px solid rgba(145,220,255,.15);
  border-radius: 30px;
  padding: clamp(20px, 4vw, 32px);
  background:
    linear-gradient(145deg, rgba(11, 24, 42, .94), rgba(4, 9, 19, .92)),
    radial-gradient(circle at 10% 0%, rgba(var(--primary-rgb), .08), transparent 18rem);
  box-shadow: 0 30px 110px rgba(0,0,0,.42);
}
.product-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}
.product-modal__close {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(145,220,255,.16);
  border-radius: 50%;
  background: rgba(255,255,255,.05);
  color: var(--text);
  font: inherit;
  font-size: 24px;
  cursor: pointer;
}
.product-modal__list {
  display: grid;
  gap: 14px;
}
.product-modal-item {
  position: relative;
  display: grid;
  grid-template-columns: 84px 72px minmax(0, 1fr) 120px;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(145,220,255,.12);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.028));
  overflow: hidden;
}
.product-modal-item::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), rgba(var(--primary-rgb), .18), transparent 14rem),
    conic-gradient(from 160deg at var(--card-x, 50%) var(--card-y, 0%), transparent, rgba(255,255,255,.04), transparent 34%);
  pointer-events: none;
}
.product-modal-item__index {
  display: grid;
  place-items: center;
  min-height: 44px;
  border-radius: 999px;
  background: rgba(var(--primary-rgb), .08);
  border: 1px solid rgba(var(--primary-rgb), .18);
  color: var(--primary);
  font-size: 11px;
  letter-spacing: .16em;
}
.product-modal-item__icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  border: 1px solid rgba(var(--primary-rgb), .2);
  background: radial-gradient(circle at 50% 35%, rgba(var(--primary-rgb), .16), transparent 58%), rgba(255,255,255,.05);
  color: var(--primary);
}
.product-modal-item__icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.product-modal-item__content h3 {
  margin: 0;
  font-size: 1.12rem;
}
.product-modal-item__content p {
  margin: 8px 0 10px;
  color: #a8bdd2;
  font-size: .94rem;
}
.product-modal-item__meta {
  display: inline-flex;
  color: var(--primary);
  font-size: 12px;
  letter-spacing: .12em;
}
.product-modal-item__action { justify-self: end; }

#products[hidden] { display: none !important; }

@media (max-width: 980px) {
  .product-nav-overview { grid-template-columns: 1fr; }
  .product-modal-item { grid-template-columns: 72px 1fr auto; }
  .product-modal-item__index { grid-column: 1; }
  .product-modal-item__icon { grid-column: 1; grid-row: 2; }
  .product-modal-item__content { grid-column: 2 / -1; grid-row: 1 / span 2; }
  .product-modal-item__action { grid-column: 1 / -1; justify-self: start; }
}
@media (max-width: 780px) {
  .product-modal__panel { width: min(100% - 16px, 720px); padding: 18px; }
  .product-modal__header { align-items: center; }
  .product-modal-item { grid-template-columns: 1fr; }
  .product-modal-item__index, .product-modal-item__icon, .product-modal-item__action { justify-self: start; }
}


/* 3.3 专业版：Logo 细节、联系方式、模块开关联动与主题色变量统一 */
.brand-group {
  display: grid;
  gap: 1px;
  line-height: 1.05;
}
.brand-subtitle {
  color: var(--muted-2);
  font-size: 9px;
  letter-spacing: .18em;
  font-weight: 800;
}
.brand-subtitle[hidden] { display: none !important; }

.contact-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.contact-meta > * {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(145,220,255,.14);
  border-radius: 999px;
  color: #bdd5e8;
  background: rgba(255,255,255,.04);
  font-size: 13px;
}
.contact-meta > *[hidden],
.site-footer > *[hidden] {
  display: none !important;
}
.site-footer {
  flex-wrap: wrap;
  row-gap: 8px;
}
.footer-record {
  color: var(--muted-2);
}

body[data-theme="custom"] {
  --line-strong: color-mix(in srgb, var(--primary) 42%, transparent);
}
body[data-theme="deep-blue"] {
  background:
    radial-gradient(circle at 16% -10%, rgba(77, 200, 255, .19), transparent 30rem),
    radial-gradient(circle at 84% 4%, rgba(31, 122, 255, .18), transparent 34rem),
    linear-gradient(180deg, #04101f 0%, #07162a 44%, #02050c 100%);
}
body[data-theme="emerald-energy"] {
  background:
    radial-gradient(circle at 16% -10%, rgba(49, 231, 192, .17), transparent 30rem),
    radial-gradient(circle at 84% 4%, rgba(21, 163, 126, .16), transparent 34rem),
    linear-gradient(180deg, #03120f 0%, #071a19 44%, #020806 100%);
}
body[data-theme="violet-neural"] {
  background:
    radial-gradient(circle at 16% -10%, rgba(124, 231, 255, .16), transparent 30rem),
    radial-gradient(circle at 84% 4%, rgba(155, 109, 255, .2), transparent 34rem),
    linear-gradient(180deg, #050712 0%, #0b1020 44%, #02040a 100%);
}
body[data-theme="amber-command"] {
  background:
    radial-gradient(circle at 16% -10%, rgba(255, 202, 98, .15), transparent 30rem),
    radial-gradient(circle at 84% 4%, rgba(255, 139, 61, .14), transparent 34rem),
    linear-gradient(180deg, #120b04 0%, #171006 44%, #050301 100%);
}

@media (max-width: 780px) {
  .brand-subtitle { display: none !important; }
  .contact-meta { justify-content: stretch; }
  .contact-meta > * { width: 100%; justify-content: center; }
}


/* 3.4 前台产品横版卡片与主题细节增强 */
:root {
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}
body[data-theme="deep-blue"] {
  background:
    radial-gradient(circle at 14% -12%, rgba(77,200,255,.16), transparent 28rem),
    radial-gradient(circle at 92% 8%, rgba(31,122,255,.18), transparent 34rem),
    linear-gradient(180deg, #04101f 0%, #081426 40%, #020712 100%);
}
body[data-theme="emerald-energy"] {
  background:
    radial-gradient(circle at 14% -12%, rgba(49,231,192,.17), transparent 28rem),
    radial-gradient(circle at 90% 8%, rgba(186,252,92,.10), transparent 34rem),
    linear-gradient(180deg, #03110f 0%, #071a19 42%, #020807 100%);
}
body[data-theme="violet-neural"] {
  background:
    radial-gradient(circle at 14% -12%, rgba(124,231,255,.16), transparent 28rem),
    radial-gradient(circle at 90% 8%, rgba(155,109,255,.2), transparent 34rem),
    linear-gradient(180deg, #040713 0%, #0b0f1d 42%, #03050c 100%);
}
body[data-theme="amber-command"] {
  background:
    radial-gradient(circle at 14% -12%, rgba(255,202,98,.16), transparent 28rem),
    radial-gradient(circle at 90% 8%, rgba(255,139,61,.14), transparent 34rem),
    linear-gradient(180deg, #100b05 0%, #14100a 42%, #060401 100%);
}

.product-nav-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(145,220,255,.14);
  border-radius: clamp(22px, 3vw, 32px);
  padding: clamp(18px, 3vw, 28px);
  background:
    linear-gradient(145deg, rgba(18, 41, 72, .68), rgba(4, 10, 21, .58)),
    radial-gradient(circle at 14% 0%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 18rem);
  box-shadow: 0 26px 80px rgba(0,0,0,.24), inset 0 1px rgba(255,255,255,.06);
}
.product-nav-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, transparent, color-mix(in srgb, var(--primary) 8%, transparent), transparent);
  transform: translateX(-100%);
  animation: ibSweep 9s ease-in-out infinite;
}
.product-nav-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.product-nav-kicker {
  display: block;
  color: var(--primary);
  font-size: 11px;
  letter-spacing: .18em;
  margin-bottom: 8px;
}
.product-nav-head strong {
  display: block;
  font-size: clamp(1.35rem, 2.6vw, 2.2rem);
  letter-spacing: -.035em;
  line-height: 1.05;
}
.product-nav-head p {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
}
.product-nav-track {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding: 2px;
  mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.product-nav-grid {
  display: flex;
  align-items: stretch;
  gap: 16px;
}
.product-nav-card {
  position: relative;
  flex: 0 0 clamp(286px, 31vw, 372px);
  min-height: 238px;
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 10px;
  overflow: hidden;
  border: 1px solid rgba(145,220,255,.14);
  border-radius: clamp(20px, 2.4vw, 28px);
  padding: 18px;
  background:
    linear-gradient(145deg, rgba(18, 41, 72, .72), rgba(4, 10, 21, .62)),
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), color-mix(in srgb, var(--primary) 16%, transparent), transparent 15rem);
  box-shadow: 0 22px 62px rgba(0,0,0,.23), inset 0 1px rgba(255,255,255,.055);
  transition: transform .25s cubic-bezier(.2,.75,.2,1), border-color .25s ease, box-shadow .25s ease;
}
.product-nav-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, transparent, color-mix(in srgb, var(--primary) 8%, transparent), transparent),
    radial-gradient(circle at 80% 0%, color-mix(in srgb, var(--secondary) 12%, transparent), transparent 12rem);
  opacity: .7;
  transform: translateX(-102%);
  transition: transform .5s ease;
  pointer-events: none;
}
.product-nav-card:hover,
.product-nav-card:focus-visible {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--primary) 34%, transparent);
  box-shadow: 0 30px 90px rgba(0,0,0,.32), 0 0 34px color-mix(in srgb, var(--primary) 10%, transparent);
  outline: none;
}
.product-nav-card:hover::before,
.product-nav-card:focus-visible::before {
  transform: translateX(102%);
}
.product-chip {
  justify-self: start;
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  font-size: 11px;
  letter-spacing: .14em;
}
.product-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  color: var(--primary);
  background:
    radial-gradient(circle at 50% 35%, color-mix(in srgb, var(--primary) 16%, transparent), transparent 58%),
    rgba(255,255,255,.045);
  box-shadow: inset 0 0 20px color-mix(in srgb, var(--primary) 8%, transparent);
}
.product-icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.product-nav-card h3 {
  margin: 2px 0 0;
  font-size: 1.1rem;
  line-height: 1.25;
}
.product-nav-card p {
  margin: 0;
  color: var(--muted);
  font-size: .94rem;
}
.product-link-label {
  color: var(--primary);
  font-size: 12px;
  letter-spacing: .1em;
  opacity: .9;
}
.product-nav.is-static-products .product-nav-track {
  mask-image: none;
  -webkit-mask-image: none;
}
.product-nav.is-static-products .product-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.product-nav.is-static-products .product-nav-card {
  flex-basis: auto;
}
.product-nav.is-marquee .product-nav-grid {
  width: max-content;
  animation: productMarquee var(--marquee-duration, 26s) linear infinite;
  will-change: transform;
}
.product-nav.is-marquee .product-nav-track:hover .product-nav-grid {
  animation-play-state: paused;
}
@keyframes productMarquee {
  from { transform: translate3d(0,0,0); }
  to { transform: translate3d(calc(-50% - 8px),0,0); }
}

@media (max-width: 1080px) {
  .product-nav.is-static-products .product-nav-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .product-nav-head {
    align-items: start;
    flex-direction: column;
  }
}
@media (max-width: 780px) {
  .product-nav-track {
    overflow-x: auto;
    mask-image: none;
    -webkit-mask-image: none;
    scroll-snap-type: x mandatory;
    padding-bottom: 6px;
  }
  .product-nav-grid {
    width: max-content;
  }
  .product-nav.is-marquee .product-nav-grid {
    animation: none;
  }
  .product-nav-card {
    flex-basis: min(82vw, 340px);
    min-height: 218px;
    scroll-snap-align: start;
  }
  .product-nav.is-static-products .product-nav-grid {
    display: flex;
  }
}
@media (prefers-reduced-motion: reduce) {
  .product-nav.is-marquee .product-nav-grid,
  .product-nav-shell::before {
    animation: none !important;
  }
}


/* 3.5 前台横版产品卡片、主题适配与全局圆角细节优化 */
.product-nav-card,
.product-nav-viewport,
.product-nav-summary,
.product-nav-frame,
.capability-card,
.scenario-card,
.metric-card,
.arch-item,
.security-card,
.contact-inner,
.hero-panel {
  border-radius: 30px;
}
.product-nav-grid,
.product-nav-track {
  align-items: stretch;
}
.product-nav-card {
  min-width: min(360px, calc(100vw - 48px));
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(18, 41, 72, .74), rgba(4, 10, 21, .64)),
    radial-gradient(circle at var(--card-x, 20%) var(--card-y, 0%), rgba(var(--primary-rgb), .12), transparent 16rem);
  box-shadow: 0 22px 72px rgba(0,0,0,.24), inset 0 1px rgba(255,255,255,.06);
}
.product-nav-card:hover {
  border-color: rgba(var(--primary-rgb), .3);
  box-shadow: 0 26px 90px rgba(0,0,0,.3), 0 0 34px rgba(var(--primary-rgb), .08);
}
.product-nav-track.is-marquee {
  width: max-content;
  animation: productMarquee var(--product-marquee-duration, 30s) linear infinite;
}
.product-nav-viewport:hover .product-nav-track.is-marquee {
  animation-play-state: paused;
}
@keyframes productMarquee {
  to { transform: translateX(calc(-1 * var(--product-marquee-distance, 50%))); }
}
body[data-theme="deep-blue"] .industrial-bg-stage,
body[data-theme="emerald-energy"] .industrial-bg-stage,
body[data-theme="violet-neural"] .industrial-bg-stage,
body[data-theme="amber-command"] .industrial-bg-stage {
  filter: hue-rotate(var(--theme-hue, 0deg)) saturate(1.08);
}
body[data-theme="deep-blue"] { --theme-hue: 14deg; }
body[data-theme="emerald-energy"] { --theme-hue: 106deg; }
body[data-theme="violet-neural"] { --theme-hue: 34deg; }
body[data-theme="amber-command"] { --theme-hue: 176deg; }
@media (max-width: 780px) {
  .product-nav-track.is-marquee {
    animation: none;
    width: auto;
  }
  .product-nav-viewport {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
  }
  .product-nav-card {
    scroll-snap-align: start;
    min-width: min(330px, calc(100vw - 48px));
  }
}

/* 3.6 每日数据、数据流背景与多主题细节增强 */
body::before {
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(115deg, transparent 0 42%, color-mix(in srgb, var(--primary) 8%, transparent) 45%, transparent 50% 100%);
  background-size: 72px 72px, 72px 72px, 280px 280px;
  animation: globalDataGrid 28s linear infinite;
}
body::after {
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 20%), color-mix(in srgb, var(--primary) 13%, transparent), transparent 22rem),
    radial-gradient(circle at calc(100% - var(--pointer-x, 50%)) 18%, color-mix(in srgb, var(--secondary) 7%, transparent), transparent 24rem);
}
.ops-card[data-daily] {
  border-radius: 24px;
}
.ops-card[data-daily]::after {
  content: attr(data-daily);
  position: absolute;
  right: 12px;
  top: 10px;
  color: color-mix(in srgb, var(--primary) 42%, transparent);
  font-size: 10px;
  letter-spacing: .12em;
  opacity: .62;
}
.pulse-map {
  border-radius: 28px;
  background:
    radial-gradient(circle at 26% 22%, color-mix(in srgb, var(--primary) 12%, transparent), transparent 18rem),
    linear-gradient(135deg, rgba(255,255,255,.045), rgba(255,255,255,.018));
}
.product-nav-card,
.product-nav-shell,
.product-nav-head {
  border-radius: 30px;
}
.product-nav-track {
  border-radius: 30px;
  overflow: hidden;
}
@keyframes globalDataGrid {
  to { background-position: 0 72px, 72px 0, 280px 280px; }
}
@media (max-width: 780px) {
  body::before { animation-duration: 42s; background-size: 54px 54px, 54px 54px, 220px 220px; }
  .ops-card[data-daily]::after { display: none; }
}


/* 3.7 新增工业主题、数据流与跨屏适配修正 */
body[data-theme="metal-gray"] { --primary:#b8c7d4; --secondary:#5f7f9c; --accent:#d9a85f; --line-strong:rgba(184,199,212,.42); --theme-hue:196deg; }
body[data-theme="graphite-steel"] { --primary:#9fb7c9; --secondary:#3d6f93; --accent:#6fe7ff; --line-strong:rgba(159,183,201,.42); --theme-hue:208deg; }
body[data-theme="copper-forge"] { --primary:#f0a35e; --secondary:#b75b34; --accent:#ffd28a; --line-strong:rgba(240,163,94,.42); --theme-hue:168deg; }
body[data-theme="ice-silver"] { --primary:#d8f6ff; --secondary:#72c7e8; --accent:#9cf2d6; --line-strong:rgba(216,246,255,.42); --theme-hue:22deg; }
body[data-theme="metal-gray"] .industrial-bg-stage,
body[data-theme="graphite-steel"] .industrial-bg-stage,
body[data-theme="copper-forge"] .industrial-bg-stage,
body[data-theme="ice-silver"] .industrial-bg-stage { filter: hue-rotate(var(--theme-hue,0deg)) saturate(1.04) contrast(1.02); }
#brain-canvas { opacity: .92; }
body::after {
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    linear-gradient(115deg, transparent 0 42%, color-mix(in srgb, var(--primary) 7%, transparent) 45%, transparent 50% 100%),
    repeating-linear-gradient(90deg, color-mix(in srgb, var(--primary) 5%, transparent) 0 1px, transparent 1px 112px);
  mask-image: radial-gradient(circle at var(--spot-x, 50%) var(--spot-y, 38%), #000, transparent 76%);
  animation: globalDataFlow 22s linear infinite;
}
@keyframes globalDataFlow { to { background-position: 360px 0, 224px 0; } }
@media (max-width: 1180px) {
  .section-shell, .hero-inner { width: min(100% - 28px, var(--content-width, 1180px)); }
}
@media (max-width: 540px) {
  .product-nav-card, .capability-card, .scenario-card, .metric-card, .arch-item, .security-card, .contact-inner { border-radius: 24px; }
  .hero-panel { border-radius: 28px; }
}

/* 3.8 正式官网文案、AI 大脑视觉焦点与全主题统一适配 */
body[data-theme="industrial-cyan"] { --primary:var(--primary); --secondary:var(--secondary); --accent:var(--accent); --line-strong:color-mix(in srgb, var(--primary) 42%, transparent); --theme-hue:0deg; }
body[data-theme="deep-blue"] { --primary:#4dc8ff; --secondary:#1f7aff; --accent:#7fe0ff; --line-strong:color-mix(in srgb, #4dc8ff 42%, transparent); --theme-hue:14deg; }
body[data-theme="emerald-energy"] { --primary:#31e7c0; --secondary:#15a37e; --accent:#bafc5c; --line-strong:color-mix(in srgb, #31e7c0 42%, transparent); --theme-hue:106deg; }
body[data-theme="violet-neural"] { --primary:#7ce7ff; --secondary:#9b6dff; --accent:#ff8be0; --line-strong:color-mix(in srgb, #7ce7ff 42%, transparent); --theme-hue:34deg; }
body[data-theme="amber-command"] { --primary:#ffca62; --secondary:#ff8b3d; --accent:#ffe7a5; --line-strong:color-mix(in srgb, #ffca62 42%, transparent); --theme-hue:176deg; }
body[data-theme="metal-gray"] { --primary:#b8c7d4; --secondary:#5f7f9c; --accent:#d9a85f; --line-strong:color-mix(in srgb,#b8c7d4 42%,transparent); --theme-hue:196deg; }
body[data-theme="graphite-steel"] { --primary:#9fb7c9; --secondary:#3d6f93; --accent:#6fe7ff; --line-strong:color-mix(in srgb,#9fb7c9 42%,transparent); --theme-hue:208deg; }
body[data-theme="copper-forge"] { --primary:#f0a35e; --secondary:#b75b34; --accent:#ffd28a; --line-strong:color-mix(in srgb,#f0a35e 46%,transparent); --theme-hue:168deg; }
body[data-theme="ice-silver"] { --primary:#d8f6ff; --secondary:#72c7e8; --accent:#9cf2d6; --line-strong:color-mix(in srgb,#d8f6ff 42%,transparent); --theme-hue:22deg; }
body[data-theme="foundry-red"] { --primary:#ff8a64; --secondary:#8e2e2b; --accent:#d7b26a; --line-strong:color-mix(in srgb,#ff8a64 44%,transparent); --theme-hue:154deg; }
body[data-theme="mining-graphite"] { --primary:#a9c6b2; --secondary:#556b5d; --accent:#d6c27a; --line-strong:color-mix(in srgb,#a9c6b2 42%,transparent); --theme-hue:118deg; }
body[data-theme="process-olive"] { --primary:#c6d889; --secondary:#5f7f68; --accent:#f0bd68; --line-strong:color-mix(in srgb,#c6d889 42%,transparent); --theme-hue:132deg; }

body {
  background:
    radial-gradient(circle at 14% -8%, color-mix(in srgb, var(--primary) 21%, transparent), transparent 30rem),
    radial-gradient(circle at 86% 3%, color-mix(in srgb, var(--secondary) 22%, transparent), transparent 34rem),
    radial-gradient(circle at 50% 100%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 34rem),
    linear-gradient(180deg, #030711 0%, color-mix(in srgb, var(--secondary) 13%, #06101e) 46%, #02050c 100%);
}
::selection { background: color-mix(in srgb, var(--primary) 34%, transparent); }
body::before {
  opacity: .92;
  background-image:
    linear-gradient(color-mix(in srgb, var(--primary) 7%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--primary) 5%, transparent) 1px, transparent 1px),
    linear-gradient(115deg, transparent 0 41%, color-mix(in srgb, var(--primary) 12%, transparent) 45%, transparent 50% 100%),
    repeating-linear-gradient(90deg, transparent 0 110px, color-mix(in srgb, var(--accent) 7%, transparent) 110px 111px, transparent 111px 220px);
  background-size: 74px 74px, 74px 74px, 320px 320px, 440px 100%;
  animation: globalDataGrid 24s linear infinite;
}
body::after {
  background:
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 20%), color-mix(in srgb, var(--primary) 16%, transparent), transparent 22rem),
    linear-gradient(118deg, transparent 0 43%, color-mix(in srgb, var(--primary) 8%, transparent) 47%, transparent 52% 100%),
    repeating-linear-gradient(90deg, color-mix(in srgb, var(--primary) 6%, transparent) 0 1px, transparent 1px 122px);
  animation: globalDataFlow 18s linear infinite;
}
.aurora {
  opacity: .78;
  background:
    radial-gradient(circle at 20% 24%, color-mix(in srgb, var(--primary) 24%, transparent), transparent 34rem),
    radial-gradient(circle at 80% 14%, color-mix(in srgb, var(--secondary) 24%, transparent), transparent 38rem),
    radial-gradient(circle at 50% 86%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 32rem);
}
.aurora::before,
.aurora::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(115deg, transparent 0 42px, color-mix(in srgb, var(--primary) 9%, transparent) 42px 44px, transparent 44px 96px),
    linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 6%, transparent), transparent);
  mask-image: radial-gradient(circle at 54% 38%, #000, transparent 72%);
  animation: aiDataStream 16s linear infinite;
}
.aurora::after { animation-duration: 23s; animation-direction: reverse; opacity: .62; }
@keyframes aiDataStream { to { transform: translate3d(-220px, 80px, 0); } }

.site-header[data-elevated="true"],
.page-loader__card,
.hero-panel,
.metric-card,
.capability-card,
.scenario-card,
.product-nav-shell,
.product-nav-head,
.product-nav-card,
.arch-item,
.security-card,
.contact-inner,
.pulse-map,
.ops-card {
  border-color: color-mix(in srgb, var(--primary) 18%, transparent);
  background-color: color-mix(in srgb, #07111f 72%, transparent);
  box-shadow: 0 24px 82px rgba(0,0,0,.30), inset 0 1px color-mix(in srgb, var(--primary) 10%, transparent);
}
.brand-mark,
.page-loader__icon,
.ops-card.emphasis,
.product-icon,
.scenario-icon,
.card-index,
.product-chip,
.metric-value,
.product-link-label,
.eyebrow,
.nav-cta,
.hero-panel .panel-topbar strong {
  color: var(--primary);
}
.brand-mark,
.page-loader__icon,
.product-icon,
.scenario-icon,
.card-index {
  border-color: color-mix(in srgb, var(--primary) 26%, transparent);
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 18%, transparent), color-mix(in srgb, var(--secondary) 12%, transparent));
  box-shadow: 0 0 32px color-mix(in srgb, var(--primary) 14%, transparent), inset 0 0 22px color-mix(in srgb, var(--primary) 10%, transparent);
}
.brand-mark path:first-child { fill: color-mix(in srgb, var(--primary) 10%, transparent); stroke: var(--primary); }
.button-primary,
.skip-link {
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--accent) 70%, #fff));
  box-shadow: 0 18px 54px color-mix(in srgb, var(--primary) 22%, transparent);
}
.button-ghost,
.nav-menu a,
.product-nav-card,
.metric-card,
.capability-card,
.scenario-card,
.arch-item,
.security-card {
  border-color: color-mix(in srgb, var(--primary) 14%, transparent);
}
.capability-card::before,
.scenario-card::before,
.product-nav-card::before {
  background:
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), color-mix(in srgb, var(--primary) 26%, transparent), transparent 15rem),
    conic-gradient(from 160deg at var(--card-x, 50%) var(--card-y, 0%), transparent, color-mix(in srgb, var(--accent) 8%, transparent), transparent 34%);
}
.product-nav-card,
.product-nav-shell,
.product-nav-head {
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--secondary) 14%, rgba(18,41,72,.72)), rgba(4,10,21,.66)),
    radial-gradient(circle at 16% 0%, color-mix(in srgb, var(--primary) 11%, transparent), transparent 18rem);
}
.product-nav-card:hover,
.capability-card:hover,
.scenario-card:hover,
.metric-card:hover,
.arch-item:hover {
  border-color: color-mix(in srgb, var(--primary) 34%, transparent);
  box-shadow: 0 28px 92px rgba(0,0,0,.32), 0 0 34px color-mix(in srgb, var(--primary) 9%, transparent);
}

.industrial-bg-stage {
  opacity: .28;
  mix-blend-mode: screen;
  filter: hue-rotate(var(--theme-hue, 0deg)) saturate(1.12) contrast(1.03);
}
.industrial-bg-svg {
  width: max(920px, 88vw);
  bottom: -20vh;
  opacity: .46;
  filter: drop-shadow(0 0 20px color-mix(in srgb, var(--primary) 8%, transparent));
}
.plant-layer { fill: color-mix(in srgb, #07111f 76%, transparent); stroke: color-mix(in srgb, var(--primary) 20%, transparent); }
.plant-layer-back { opacity: .18; }
.plant-layer-mid { opacity: .32; }
.plant-layer-front { opacity: .62; }
.mount-grid { fill: color-mix(in srgb, #050d18 48%, transparent); stroke: color-mix(in srgb, var(--primary) 10%, transparent); }
.pipe-line { stroke: color-mix(in srgb, var(--primary) 18%, transparent); }
.pipe-line-b { stroke: color-mix(in srgb, var(--secondary) 18%, transparent); }
.cooling-tower, .boiler, .turbine, .transformer, .substation { fill: color-mix(in srgb, #07111f 58%, transparent); stroke: color-mix(in srgb, var(--primary) 22%, transparent); }
.equip-glow, .rotor { stroke: color-mix(in srgb, var(--primary) 52%, transparent); }
.steam { stroke: color-mix(in srgb, var(--primary) 18%, transparent); }
.energy-path { stroke: color-mix(in srgb, var(--primary) 68%, transparent); filter: drop-shadow(0 0 10px color-mix(in srgb, var(--primary) 28%, transparent)); }
.data-nodes circle { fill: var(--primary); filter: drop-shadow(0 0 12px color-mix(in srgb, var(--primary) 72%, transparent)); }
#ibGlow stop:nth-child(1), #brainCoreGlow stop:nth-child(1) { stop-color: var(--primary); }
#ibGlow stop:nth-child(2), #brainCoreGlow stop:nth-child(2) { stop-color: var(--secondary); }
#ibGlow stop:nth-child(3), #brainCoreGlow stop:nth-child(3) { stop-color: var(--accent); }
.tech-brain-float {
  width: clamp(290px, 36vw, 540px);
  height: clamp(290px, 36vw, 540px);
  right: clamp(-120px, 4vw, 64px);
  top: clamp(92px, 14vh, 168px);
  opacity: .74;
}
.tech-brain-float svg { filter: drop-shadow(0 0 34px color-mix(in srgb, var(--primary) 24%, transparent)); }
.brain-ring { stroke: color-mix(in srgb, var(--primary) 34%, transparent); }
.brain-ring-b { stroke: color-mix(in srgb, var(--secondary) 36%, transparent); }
.brain-cloud { fill: color-mix(in srgb, #07111f 56%, transparent); stroke: color-mix(in srgb, var(--primary) 54%, transparent); }
.brain-circuit { stroke: color-mix(in srgb, var(--primary) 76%, transparent); }
.brain-points circle { fill: var(--primary); }

@media (max-width: 1080px) {
  .industrial-bg-stage { opacity: .22; }
  .tech-brain-float { opacity: .62; right: -130px; }
}
@media (max-width: 780px) {
  .industrial-bg-stage { opacity: .14; height: 55vh; }
  .industrial-bg-svg { width: max(720px, 120vw); bottom: -16vh; }
  .tech-brain-float { display: block; opacity: .24; right: -160px; top: 92px; width: 320px; height: 320px; }
  .aurora::before, .aurora::after { opacity: .45; animation-duration: 28s; }
}
@media (max-width: 480px) {
  .tech-brain-float { opacity: .18; right: -190px; }
}

/* 3.8 final theme enforcement */
body .brand-mark,
body .page-loader__icon,
body .product-icon,
body .scenario-icon,
body .card-index,
body .product-chip,
body .ops-card.emphasis {
  border-color: color-mix(in srgb, var(--primary) 30%, transparent) !important;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 18%, transparent), color-mix(in srgb, var(--secondary) 12%, transparent)) !important;
  box-shadow: 0 0 32px color-mix(in srgb, var(--primary) 14%, transparent), inset 0 0 22px color-mix(in srgb, var(--primary) 10%, transparent) !important;
}
body .button-primary,
body .skip-link {
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--accent) 74%, #fff)) !important;
  box-shadow: 0 18px 54px color-mix(in srgb, var(--primary) 22%, transparent) !important;
}
body .button-ghost,
body .nav-menu a,
body .product-nav-card,
body .metric-card,
body .capability-card,
body .scenario-card,
body .arch-item,
body .security-card,
body .contact-inner,
body .hero-panel,
body .product-nav-shell,
body .product-nav-head {
  border-color: color-mix(in srgb, var(--primary) 16%, transparent) !important;
}
body .product-nav-card:hover,
body .capability-card:hover,
body .scenario-card:hover,
body .metric-card:hover,
body .arch-item:hover {
  border-color: color-mix(in srgb, var(--primary) 36%, transparent) !important;
  box-shadow: 0 28px 92px rgba(0,0,0,.32), 0 0 34px color-mix(in srgb, var(--primary) 10%, transparent) !important;
}
body .metric-value,
body .product-link-label,
body .product-nav-kicker,
body .eyebrow,
body .brand-subtitle,
body .nav-cta,
body .hero-panel .panel-topbar strong {
  color: var(--primary) !important;
}


/* 3.9 六套经典主题深度适配：所有页面卡片、背景、数据流、按钮与工业素材统一受主题色驱动 */
:root,
body[data-theme="industrial-cyan"] {
  --theme-bg: #030711;
  --theme-bg-soft: #07111f;
  --theme-panel: #0b1526;
  --theme-panel-strong: #10213b;
  --theme-texture: #142640;
  --primary: #20e7ff;
  --primary-rgb: 32, 231, 255;
  --secondary: #7c5cff;
  --secondary-rgb: 124, 92, 255;
  --accent: #ffbf5e;
  --accent-rgb: 255, 191, 94;
  --line-strong: color-mix(in srgb, var(--primary) 42%, transparent);
  --line: color-mix(in srgb, var(--primary) 18%, transparent);
  --surface: color-mix(in srgb, var(--theme-panel) 82%, transparent);
  --surface-strong: color-mix(in srgb, var(--theme-panel-strong) 92%, transparent);
  --primary-soft: color-mix(in srgb, var(--primary) 16%, transparent);
  --theme-hue: 0deg;
}
body[data-theme="deep-blue"] {
  --theme-bg: #020812;
  --theme-bg-soft: #081426;
  --theme-panel: #0a1d35;
  --theme-panel-strong: #102d52;
  --theme-texture: #153f70;
  --primary: #4dc8ff;
  --secondary: #1f7aff;
  --accent: #7fe0ff;
  --line-strong: color-mix(in srgb, var(--primary) 44%, transparent);
  --line: color-mix(in srgb, var(--primary) 18%, transparent);
  --surface: color-mix(in srgb, var(--theme-panel) 84%, transparent);
  --surface-strong: color-mix(in srgb, var(--theme-panel-strong) 92%, transparent);
  --primary-soft: color-mix(in srgb, var(--primary) 15%, transparent);
  --theme-hue: 16deg;
}
body[data-theme="emerald-energy"] {
  --theme-bg: #020908;
  --theme-bg-soft: #071a19;
  --theme-panel: #0a2420;
  --theme-panel-strong: #123b34;
  --theme-texture: #155246;
  --primary: #31e7c0;
  --secondary: #15a37e;
  --accent: #bafc5c;
  --line-strong: color-mix(in srgb, var(--primary) 42%, transparent);
  --line: color-mix(in srgb, var(--primary) 18%, transparent);
  --surface: color-mix(in srgb, var(--theme-panel) 84%, transparent);
  --surface-strong: color-mix(in srgb, var(--theme-panel-strong) 92%, transparent);
  --primary-soft: color-mix(in srgb, var(--primary) 16%, transparent);
  --theme-hue: 104deg;
}
body[data-theme="metal-gray"] {
  --theme-bg: #05080b;
  --theme-bg-soft: #111820;
  --theme-panel: #171f27;
  --theme-panel-strong: #232d36;
  --theme-texture: #354453;
  --primary: #b8c7d4;
  --secondary: #5f7f9c;
  --accent: #d9a85f;
  --line-strong: color-mix(in srgb, var(--primary) 36%, transparent);
  --line: color-mix(in srgb, var(--primary) 16%, transparent);
  --surface: color-mix(in srgb, var(--theme-panel) 86%, transparent);
  --surface-strong: color-mix(in srgb, var(--theme-panel-strong) 94%, transparent);
  --primary-soft: color-mix(in srgb, var(--primary) 13%, transparent);
  --theme-hue: 196deg;
}
body[data-theme="graphite-steel"] {
  --theme-bg: #04070a;
  --theme-bg-soft: #0c1118;
  --theme-panel: #111923;
  --theme-panel-strong: #1a2632;
  --theme-texture: #28435a;
  --primary: #9fb7c9;
  --secondary: #3d6f93;
  --accent: #6fe7ff;
  --line-strong: color-mix(in srgb, var(--primary) 38%, transparent);
  --line: color-mix(in srgb, var(--primary) 16%, transparent);
  --surface: color-mix(in srgb, var(--theme-panel) 86%, transparent);
  --surface-strong: color-mix(in srgb, var(--theme-panel-strong) 94%, transparent);
  --primary-soft: color-mix(in srgb, var(--primary) 13%, transparent);
  --theme-hue: 208deg;
}
body[data-theme="copper-forge"] {
  --theme-bg: #0c0604;
  --theme-bg-soft: #17100b;
  --theme-panel: #24140d;
  --theme-panel-strong: #3a2115;
  --theme-texture: #6c321c;
  --primary: #f0a35e;
  --secondary: #b75b34;
  --accent: #ffd28a;
  --line-strong: color-mix(in srgb, var(--primary) 46%, transparent);
  --line: color-mix(in srgb, var(--primary) 20%, transparent);
  --surface: color-mix(in srgb, var(--theme-panel) 86%, transparent);
  --surface-strong: color-mix(in srgb, var(--theme-panel-strong) 94%, transparent);
  --primary-soft: color-mix(in srgb, var(--primary) 17%, transparent);
  --theme-hue: 168deg;
}
body[data-theme="custom"] {
  --theme-bg: #030711;
  --theme-bg-soft: #07111f;
  --theme-panel: color-mix(in srgb, var(--primary) 9%, #07111f);
  --theme-panel-strong: color-mix(in srgb, var(--primary) 13%, #0d1726);
  --theme-texture: color-mix(in srgb, var(--primary) 22%, #12223a);
  --line-strong: color-mix(in srgb, var(--primary) 42%, transparent);
  --line: color-mix(in srgb, var(--primary) 18%, transparent);
  --surface: color-mix(in srgb, var(--theme-panel) 84%, transparent);
  --surface-strong: color-mix(in srgb, var(--theme-panel-strong) 92%, transparent);
  --primary-soft: color-mix(in srgb, var(--primary) 16%, transparent);
}
body {
  background:
    radial-gradient(circle at 13% -8%, color-mix(in srgb, var(--primary) 20%, transparent), transparent 32rem),
    radial-gradient(circle at 90% 2%, color-mix(in srgb, var(--secondary) 20%, transparent), transparent 36rem),
    radial-gradient(circle at 50% 58%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 42rem),
    linear-gradient(180deg, var(--theme-bg-soft) 0%, var(--theme-bg) 54%, #010309 100%) !important;
}
body::before {
  background-image:
    linear-gradient(color-mix(in srgb, var(--primary) 9%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--primary) 7%, transparent) 1px, transparent 1px) !important;
}
body::after {
  background:
    linear-gradient(115deg, transparent 0 22%, color-mix(in srgb, var(--primary) 10%, transparent) 36%, transparent 54%),
    radial-gradient(circle at var(--pointer-x, 50%) var(--pointer-y, 35%), color-mix(in srgb, var(--primary) 12%, transparent), transparent 18rem),
    repeating-linear-gradient(90deg, transparent 0 96px, color-mix(in srgb, var(--accent) 7%, transparent) 97px 98px, transparent 99px 180px) !important;
}
.site-header,
.site-header[data-elevated="true"],
.hero-panel,
.ops-card,
.metric-card,
.capability-card,
.scenario-card,
.product-nav-card,
.product-nav-viewport,
.product-nav-summary,
.product-nav-frame,
.arch-item,
.security-card,
.contact-inner,
.section-card,
.panel-card,
.product-modal__panel {
  border-color: var(--line) !important;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--theme-panel-strong) 80%, transparent), color-mix(in srgb, var(--theme-bg) 72%, transparent)),
    radial-gradient(circle at var(--card-x, 16%) var(--card-y, 0%), color-mix(in srgb, var(--primary) 13%, transparent), transparent 18rem) !important;
  box-shadow:
    0 24px 90px rgba(0,0,0,.30),
    inset 0 1px color-mix(in srgb, var(--primary) 11%, transparent) !important;
}
.hero-panel {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--theme-panel-strong) 86%, transparent), color-mix(in srgb, var(--theme-bg) 78%, transparent)),
    radial-gradient(circle at 12% 0%, color-mix(in srgb, var(--primary) 14%, transparent), transparent 19rem),
    radial-gradient(circle at 90% 82%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 18rem) !important;
}
.hero::before,
.section-heading::before,
.tech-brain-float::after {
  background: radial-gradient(circle, color-mix(in srgb, var(--primary) 16%, transparent), transparent 70%) !important;
}
.brand-mark,
.auth-mark,
.icon-badge,
.capability-icon,
.product-icon,
.product-modal-item__icon,
.metric-icon {
  border-color: color-mix(in srgb, var(--primary) 32%, transparent) !important;
  color: var(--primary) !important;
  background:
    radial-gradient(circle at 50% 32%, color-mix(in srgb, var(--primary) 22%, transparent), transparent 66%),
    linear-gradient(145deg, color-mix(in srgb, var(--theme-panel-strong) 72%, transparent), color-mix(in srgb, var(--theme-bg) 72%, transparent)) !important;
  box-shadow: 0 0 34px color-mix(in srgb, var(--primary) 13%, transparent), inset 0 1px color-mix(in srgb, var(--primary) 10%, transparent) !important;
}
.button-primary,
.primary-action,
.nav-cta,
.product-modal-item__action {
  color: color-mix(in srgb, var(--theme-bg) 88%, #000) !important;
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--accent) 64%, var(--primary)) 62%, color-mix(in srgb, #fff 36%, var(--accent))) !important;
  box-shadow: 0 18px 54px color-mix(in srgb, var(--primary) 21%, transparent) !important;
}
.button-ghost,
.ghost-action,
.nav-menu a {
  border-color: var(--line) !important;
  background: color-mix(in srgb, var(--theme-panel) 54%, transparent) !important;
}
.eyebrow,
.section-heading .eyebrow,
.product-chip,
.product-link-label,
.ops-status-line i,
.ops-card b,
.contact-link,
.metric-card strong,
.arch-item b {
  color: var(--primary) !important;
}
.ops-status-line span,
.product-modal-item__index,
.row-index,
.loader-tags b {
  border-color: var(--line) !important;
  background: color-mix(in srgb, var(--primary) 8%, transparent) !important;
  color: var(--primary) !important;
}
.industrial-bg-stage {
  opacity: .38 !important;
  filter: hue-rotate(var(--theme-hue, 0deg)) saturate(1.15) contrast(1.02) !important;
}
.industrial-bg-svg {
  transform: translate3d(var(--ptr-bg-x, 0), calc(var(--scroll-bg-y, 0px) + var(--ptr-bg-y, 0)), 0) scale(var(--scroll-scale, 1)) !important;
}
.plant-layer,
.cooling-tower,
.boiler,
.turbine,
.transformer,
.substation {
  fill: color-mix(in srgb, var(--theme-panel-strong) 22%, transparent) !important;
  stroke: color-mix(in srgb, var(--primary) 22%, transparent) !important;
}
.plant-layer-front,
.energy-path,
.pipe-line,
.equip-glow,
.data-nodes circle,
.brain-circuit,
.brain-points circle,
.brain-ring {
  stroke: color-mix(in srgb, var(--primary) 55%, transparent) !important;
}
.brain-cloud {
  stroke: color-mix(in srgb, var(--primary) 42%, transparent) !important;
  fill: color-mix(in srgb, var(--theme-panel) 44%, transparent) !important;
}
.brain-core-glow,
.tech-brain-float svg {
  color: var(--primary) !important;
}
.product-nav-card::before,
.capability-card::before,
.scenario-card::before,
.metric-card::before,
.security-card::before,
.arch-item::before {
  background:
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), color-mix(in srgb, var(--primary) 18%, transparent), transparent 14rem),
    linear-gradient(120deg, transparent, color-mix(in srgb, var(--accent) 7%, transparent), transparent) !important;
}
.pulse-map,
.data-flow,
.matrix-panel,
.ops-chart {
  border-color: var(--line) !important;
  background:
    radial-gradient(circle at 35% 28%, color-mix(in srgb, var(--primary) 14%, transparent), transparent 18rem),
    linear-gradient(145deg, color-mix(in srgb, var(--theme-panel) 72%, transparent), color-mix(in srgb, var(--theme-bg) 72%, transparent)) !important;
}
@media (max-width: 780px) {
  .industrial-bg-stage { opacity: .18 !important; }
  .site-header,
  .hero-panel,
  .contact-inner { border-radius: 24px !important; }
}


/* 4.3 移动端产品能力横向滑动与跨浏览器触控适配修复 */
@media (max-width: 780px), (pointer: coarse) {
  .product-nav-shell {
    overflow: visible !important;
    padding-inline: 14px !important;
  }
  .product-nav-track,
  .product-nav-track.is-touch-scroll {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    padding: 2px 0 14px !important;
    mask-image: none !important;
    -webkit-mask-image: none !important;
    scroll-snap-type: x mandatory !important;
    scroll-padding-inline: 12px !important;
    -webkit-overflow-scrolling: touch !important;
    touch-action: pan-x !important;
    overscroll-behavior-x: contain !important;
    border-radius: 24px !important;
  }
  .product-nav-track::-webkit-scrollbar {
    height: 4px;
  }
  .product-nav-track::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary) 34%, transparent);
  }
  .product-nav-grid,
  .product-nav.is-static-products .product-nav-grid,
  .product-nav.is-mobile-products .product-nav-grid,
  .product-nav.is-marquee .product-nav-grid {
    display: flex !important;
    width: max-content !important;
    min-width: max-content !important;
    grid-template-columns: none !important;
    flex-wrap: nowrap !important;
    gap: 14px !important;
    transform: none !important;
    animation: none !important;
    will-change: auto !important;
  }
  .product-nav-card,
  .product-nav.is-static-products .product-nav-card,
  .product-nav.is-mobile-products .product-nav-card {
    flex: 0 0 min(84vw, 340px) !important;
    width: min(84vw, 340px) !important;
    min-width: min(84vw, 340px) !important;
    max-width: min(84vw, 340px) !important;
    min-height: 222px !important;
    scroll-snap-align: start !important;
    scroll-snap-stop: always !important;
    transform: none;
  }
  .product-nav-card:hover,
  .product-nav-card:focus-visible {
    transform: translateY(-2px) !important;
  }
}
@media (max-width: 420px) {
  .product-nav-card,
  .product-nav.is-static-products .product-nav-card,
  .product-nav.is-mobile-products .product-nav-card {
    flex-basis: calc(100vw - 44px) !important;
    width: calc(100vw - 44px) !important;
    min-width: calc(100vw - 44px) !important;
    max-width: calc(100vw - 44px) !important;
  }
}


.site-sync-toast {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 140;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 12px 16px;
  border: 1px solid rgba(var(--primary-rgb), .24);
  border-radius: 999px;
  color: var(--text);
  background: linear-gradient(135deg, rgba(8, 20, 36, .9), rgba(3, 7, 17, .78));
  box-shadow: 0 24px 70px rgba(0, 0, 0, .34), 0 0 30px rgba(var(--primary-rgb), .08);
  backdrop-filter: blur(18px) saturate(1.2);
  transform: translateY(18px) scale(.98);
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s ease, transform .28s ease;
}
.site-sync-toast::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--primary);
  box-shadow: 0 0 18px rgba(var(--primary-rgb), .72);
}
.site-sync-toast.is-visible { opacity: 1; transform: translateY(0) scale(1); }
@media (max-width: 680px) {
  .site-sync-toast { left: 16px; right: 16px; justify-content: center; border-radius: 20px; text-align: center; }
}


/* v4.6.0 产品无缝循环、抗闪烁与工业交互统一 */
html:not(.site-data-ready) #product-nav-grid {
  opacity: 0;
}
#product-nav-grid {
  opacity: 1;
  transition: opacity .28s ease;
}
.product-nav-track,
.product-nav-track.is-marquee {
  width: 100% !important;
  max-width: 100% !important;
  transform: none !important;
  animation: none !important;
  contain: layout paint;
}
.product-nav.is-marquee .product-nav-grid,
.product-nav-grid.is-looping {
  width: max-content !important;
  animation: productSeamlessLoop var(--product-loop-duration, 32s) linear infinite !important;
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.product-nav-track:hover .product-nav-grid.is-looping,
.product-nav-track:focus-within .product-nav-grid.is-looping {
  animation-play-state: paused !important;
}
.product-nav-card {
  opacity: 1;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  isolation: isolate;
}
.product-nav-card:hover,
.product-nav-card:focus-visible,
.capability-card:hover,
.scenario-card:hover,
.metric-card:hover,
.arch-item:hover {
  transform: perspective(900px) translateY(-7px) rotateX(var(--card-tilt-x, 0deg)) rotateY(var(--card-tilt-y, 0deg));
}
.product-nav-card.is-loop-clone {
  visibility: visible !important;
  opacity: 1 !important;
}
@keyframes productSeamlessLoop {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(calc(-1 * var(--product-loop-distance, 0px)), 0, 0); }
}
@supports (animation-timeline: view()) {
  .capability-card.reveal,
  .scenario-card.reveal,
  .metric-card.reveal {
    animation: none !important;
  }
}
@media (max-width: 780px), (pointer: coarse), (prefers-reduced-motion: reduce) {
  .product-nav.is-marquee .product-nav-grid,
  .product-nav-grid.is-looping {
    animation: none !important;
    transform: none !important;
    will-change: auto;
  }
  .product-nav-card:hover,
  .product-nav-card:focus-visible,
  .capability-card:hover,
  .scenario-card:hover,
  .metric-card:hover,
  .arch-item:hover {
    transform: translateY(-2px) !important;
  }
}

/* v5.0.0 internationalization, language control and stable operations snapshot */
.site-nav {
  gap: 10px;
}
.language-selector {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  padding: 0 38px 0 13px;
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
  border-radius: 999px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 9%, transparent), color-mix(in srgb, var(--secondary) 7%, transparent)),
    rgba(7, 17, 31, .56);
  box-shadow: inset 0 0 24px color-mix(in srgb, var(--primary) 5%, transparent), 0 10px 34px rgba(0, 0, 0, .18);
  backdrop-filter: blur(18px) saturate(1.3);
  color: var(--text);
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease, background .25s ease;
}
.language-selector::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 15%, color-mix(in srgb, var(--primary) 16%, transparent) 50%, transparent 85%);
  transform: translateX(-120%);
  transition: transform .55s cubic-bezier(.2,.75,.2,1);
}
.language-selector:hover,
.language-selector:focus-within {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary) 42%, transparent);
  box-shadow: inset 0 0 28px color-mix(in srgb, var(--primary) 8%, transparent), 0 14px 42px color-mix(in srgb, var(--primary) 10%, rgba(0,0,0,.28));
}
.language-selector:hover::before,
.language-selector:focus-within::before { transform: translateX(120%); }
.language-selector__mark {
  margin-right: 8px;
  color: var(--primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .04em;
  text-shadow: 0 0 14px color-mix(in srgb, var(--primary) 65%, transparent);
}
.language-selector select {
  width: auto;
  min-width: 64px;
  border: 0;
  padding: 0;
  appearance: none;
  color: var(--text);
  background: transparent;
  outline: 0;
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .02em;
}
.language-selector select option {
  color: #06101d;
  background: #eefaff;
}
.language-selector > i {
  position: absolute;
  right: 15px;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: translateY(-2px) rotate(45deg);
  pointer-events: none;
  transition: transform .25s ease;
}
.language-selector:focus-within > i { transform: translateY(1px) rotate(225deg); }

.panel-topbar {
  flex-wrap: wrap;
}
.ops-refresh-note {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 9px;
  color: var(--muted-2);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.ops-refresh-note::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px color-mix(in srgb, var(--success) 70%, transparent);
}

html[data-lang="en-US"] body {
  --font: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}
html[data-lang="en-US"] h1 {
  font-size: clamp(2.9rem, 7vw, 6.6rem);
  letter-spacing: -.055em;
}
html[data-lang="en-US"] .nav-menu a { padding-inline: 12px; }
html[data-lang="en-US"] .hero-subtitle,
html[data-lang="en-US"] .section-heading > p,
html[data-lang="en-US"] .contact-inner > p { max-width: 66ch; }

body.is-language-switching main,
body.is-language-switching .site-header,
body.is-language-switching .site-footer {
  animation: ibLanguagePulse .34s cubic-bezier(.2,.75,.2,1) both;
}
@keyframes ibLanguagePulse {
  0% { opacity: 1; filter: blur(0); transform: translateY(0); }
  45% { opacity: .58; filter: blur(3px); transform: translateY(4px); }
  100% { opacity: 1; filter: blur(0); transform: translateY(0); }
}
::view-transition-old(root) { animation: ibLangOld .22s ease both; }
::view-transition-new(root) { animation: ibLangNew .34s cubic-bezier(.2,.75,.2,1) both; }
@keyframes ibLangOld { to { opacity: 0; transform: scale(.992); filter: blur(3px); } }
@keyframes ibLangNew { from { opacity: 0; transform: scale(1.008); filter: blur(4px); } }

@media (max-width: 1120px) {
  .nav-menu { gap: 3px; }
  .nav-menu a { padding-inline: 9px; font-size: 12px; }
  .language-selector { min-height: 48px; padding-left: 11px; }
}
@media (max-width: 900px) and (min-width: 781px) {
  .brand-subtitle { display: none !important; }
  .language-selector__mark { display: none; }
  .language-selector { padding-left: 12px; }
}
@media (max-width: 780px) {
  .site-nav { gap: 8px; }
  .language-selector {
    order: -1;
    z-index: 102;
    min-height: 44px;
    max-width: 112px;
    padding: 0 30px 0 10px;
    border-radius: 14px;
  }
  .language-selector__mark { display: none; }
  .language-selector select { min-width: 60px; font-size: 12px; }
  .language-selector > i { right: 12px; }
  html[data-lang="en-US"] h1 { font-size: clamp(2.65rem, 13vw, 4.65rem); }
  .panel-topbar strong { margin-left: auto; }
  .ops-refresh-note { width: 100%; margin: 4px 0 0 27px; }
}
@media (max-width: 430px) {
  .brand { gap: 8px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-subtitle { display: none !important; }
  .language-selector { max-width: 88px; padding-left: 8px; padding-right: 24px; }
  .language-selector select { min-width: 52px; }
  .language-selector > i { right: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  body.is-language-switching main,
  body.is-language-switching .site-header,
  body.is-language-switching .site-footer { animation: none; }
}

/* v5.1.0 professional interaction, stable cards and bilingual slide switch */
:root {
  --header-top-bg: color-mix(in srgb, var(--theme-bg) 88%, transparent);
  --header-card-bg: color-mix(in srgb, var(--theme-panel-strong) 82%, transparent);
  --ui-ease: cubic-bezier(.22, .72, .18, 1);
  --card-radius: clamp(20px, 2vw, 26px);
}

button,
input,
textarea,
select {
  -webkit-appearance: none;
  appearance: none;
  border: 0;
  border-radius: 0;
  background: none;
  color: inherit;
}
button { padding: 0; }
button::-moz-focus-inner { border: 0; padding: 0; }
:where(a, button, input, textarea, select):focus-visible {
  outline: 2px solid color-mix(in srgb, var(--primary) 78%, #fff);
  outline-offset: 3px;
}

/* 顶部铺满，滚动后收拢为悬浮圆角导航卡片 */
.site-header,
.site-header[data-elevated="false"] {
  top: 0;
  width: 100%;
  max-width: none;
  margin-inline: auto;
  padding: 11px max(16px, calc((100vw - var(--max)) / 2));
  border: 0 !important;
  border-bottom: 1px solid color-mix(in srgb, var(--primary) 13%, transparent) !important;
  border-radius: 0 !important;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--theme-bg) 94%, transparent), var(--header-top-bg)) !important;
  box-shadow: 0 10px 38px rgba(0, 0, 0, .12) !important;
  -webkit-backdrop-filter: blur(16px) saturate(1.18);
  backdrop-filter: blur(16px) saturate(1.18);
  transition:
    width .34s var(--ui-ease),
    top .34s var(--ui-ease),
    padding .34s var(--ui-ease),
    border-radius .34s var(--ui-ease),
    border-color .28s ease,
    background .28s ease,
    box-shadow .28s ease;
}
.site-header::after {
  content: "";
  position: absolute;
  left: max(16px, calc((100vw - var(--max)) / 2));
  right: max(16px, calc((100vw - var(--max)) / 2));
  bottom: -1px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--primary) 45%, transparent), transparent);
  opacity: .72;
  transition: left .34s var(--ui-ease), right .34s var(--ui-ease), opacity .28s ease;
}
.site-header[data-elevated="true"] {
  top: 10px;
  width: min(calc(100% - 32px), calc(var(--max) + 48px));
  max-width: calc(var(--max) + 48px);
  padding: 10px 18px;
  border: 1px solid color-mix(in srgb, var(--primary) 18%, transparent) !important;
  border-radius: 22px !important;
  background:
    linear-gradient(145deg, var(--header-card-bg), color-mix(in srgb, var(--theme-bg) 78%, transparent)) !important;
  box-shadow:
    0 18px 68px rgba(0, 0, 0, .3),
    0 0 32px color-mix(in srgb, var(--primary) 7%, transparent),
    inset 0 1px color-mix(in srgb, var(--primary) 12%, transparent) !important;
}
.site-header[data-elevated="true"]::after {
  left: 22px;
  right: 22px;
  opacity: .38;
}
.site-nav { min-width: 0; }
.nav-menu { flex-shrink: 1; }
.nav-menu a { white-space: nowrap; }

/* 中 / EN 双向滑动语言开关 */
.language-switch {
  --switch-progress: 0;
  position: relative;
  isolation: isolate;
  flex: 0 0 auto;
  width: 108px;
  height: 46px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  padding: 4px;
  border: 1px solid color-mix(in srgb, var(--primary) 22%, transparent);
  border-radius: 999px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--theme-panel-strong) 72%, transparent), color-mix(in srgb, var(--theme-bg) 72%, transparent));
  box-shadow:
    inset 0 1px color-mix(in srgb, var(--primary) 11%, transparent),
    inset 0 0 22px rgba(0, 0, 0, .18),
    0 10px 34px rgba(0, 0, 0, .18);
  cursor: ew-resize;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s var(--ui-ease);
}
.language-switch::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(105deg, transparent 18%, color-mix(in srgb, var(--primary) 12%, transparent) 48%, transparent 78%);
  transform: translateX(-110%);
  transition: transform .6s var(--ui-ease);
}
.language-switch:hover,
.language-switch:focus-within {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary) 46%, transparent);
  box-shadow:
    inset 0 1px color-mix(in srgb, var(--primary) 15%, transparent),
    0 14px 42px rgba(0, 0, 0, .24),
    0 0 26px color-mix(in srgb, var(--primary) 10%, transparent);
}
.language-switch:hover::before,
.language-switch:focus-within::before { transform: translateX(110%); }
.language-switch__track {
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at 25% 50%, color-mix(in srgb, var(--primary) 14%, transparent), transparent 32%),
    radial-gradient(circle at 75% 50%, color-mix(in srgb, var(--secondary) 12%, transparent), transparent 32%);
}
.language-switch__thumb {
  position: absolute;
  z-index: 1;
  top: 4px;
  bottom: 4px;
  left: 4px;
  width: calc(50% - 4px);
  border: 1px solid color-mix(in srgb, #fff 38%, var(--primary));
  border-radius: 999px;
  background:
    linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--accent) 68%, var(--primary)));
  box-shadow:
    0 8px 22px color-mix(in srgb, var(--primary) 24%, transparent),
    inset 0 1px rgba(255, 255, 255, .38);
  transform: translate3d(calc(var(--switch-progress) * 100%), 0, 0);
  transition: transform .34s var(--ui-ease), box-shadow .25s ease;
  pointer-events: none;
}
.language-switch.is-dragging .language-switch__thumb { transition: none; }
.language-switch__option {
  position: relative;
  z-index: 2;
  min-width: 0;
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .035em;
  text-align: center;
  transition: color .28s ease, text-shadow .28s ease, transform .2s ease;
}
.language-switch__option:hover { color: var(--text); }
.language-switch__option:active { transform: scale(.94); }
.language-switch__option[aria-pressed="true"] {
  color: color-mix(in srgb, var(--theme-bg) 88%, #000);
  text-shadow: 0 1px rgba(255, 255, 255, .22);
}
.language-switch__option:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 72%, #fff);
  outline-offset: -2px;
}

/* 首屏标题在各屏幕比例下保持完整、克制且不挤压数据面板 */
.hero {
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr);
  gap: clamp(30px, 4vw, 58px);
}
#hero-title {
  width: min(100%, 680px);
  margin-bottom: 22px;
  font-size: clamp(2.3rem, 4vw, 3.7rem) !important;
  line-height: 1.06;
  letter-spacing: -.052em;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: keep-all;
}
html[data-lang="en-US"] #hero-title {
  width: min(100%, 720px);
  font-size: clamp(2.2rem, 3.7vw, 3.45rem) !important;
  line-height: 1.04;
  letter-spacing: -.045em;
}
.hero-subtitle { line-height: 1.85; }

/* 卡片统一：稳定二维合成层、无内容抽动，交互聚焦于边框与局部光效 */
.section-shell {
  content-visibility: visible;
  contain: none;
}
:is(
  .hero-panel,
  .ops-card,
  .metric-card,
  .capability-card,
  .scenario-card,
  .product-nav-card,
  .arch-item,
  .security-card,
  .contact-inner
) {
  border-radius: var(--card-radius) !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
  will-change: auto !important;
  transition:
    transform .28s var(--ui-ease),
    border-color .28s ease,
    background .28s ease,
    box-shadow .28s ease !important;
}
:is(.metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item) {
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--theme-panel-strong) 86%, transparent), color-mix(in srgb, var(--theme-bg) 84%, transparent)),
    radial-gradient(circle at var(--card-x, 50%) var(--card-y, 0%), color-mix(in srgb, var(--primary) 12%, transparent), transparent 15rem) !important;
  box-shadow:
    0 20px 64px rgba(0, 0, 0, .25),
    inset 0 1px color-mix(in srgb, var(--primary) 10%, transparent) !important;
}
:is(.metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item)::before {
  transform: none !important;
  animation: none !important;
  opacity: .38;
  transition: opacity .28s ease !important;
}
.product-nav-shell::before,
.ops-status-line span::after,
.equipment-strip span::before {
  animation: none !important;
  transform: none !important;
  opacity: .3;
}
.product-nav-card::before {
  transform: none !important;
  opacity: .28;
}
.product-nav-card:hover::before,
.product-nav-card:focus-visible::before { transform: none !important; opacity: .72; }

@media (hover: hover) and (pointer: fine) {
  :is(.metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item):hover,
  :is(.metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item):focus-visible {
    transform: translate3d(0, -4px, 0) !important;
    border-color: color-mix(in srgb, var(--primary) 34%, transparent) !important;
    box-shadow:
      0 28px 78px rgba(0, 0, 0, .32),
      0 0 30px color-mix(in srgb, var(--primary) 9%, transparent),
      inset 0 1px color-mix(in srgb, var(--primary) 16%, transparent) !important;
  }
  :is(.metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item):hover::before,
  :is(.metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item):focus-visible::before {
    opacity: .82;
  }
}

/* 现有四个产品保持稳定矩阵；仅大量产品时才启用低速循环 */
.product-nav.is-static-products .product-nav-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}
.product-nav.is-static-products .product-nav-card {
  min-width: 0 !important;
  width: auto !important;
  min-height: 258px;
}
.product-nav-track,
.product-nav-track.is-marquee {
  contain: paint;
}
.product-nav-grid.is-looping { transform: translate3d(0, 0, 0); }
.product-nav-card { isolation: isolate; }

/* 仅执行一次的入场动画，禁用浏览器滚动时间轴叠加造成的闪跳 */
@supports (animation-timeline: view()) {
  .capability-card,
  .scenario-card,
  .metric-card,
  .arch-visual,
  .capability-card.reveal,
  .scenario-card.reveal,
  .metric-card.reveal {
    animation: none !important;
    animation-timeline: auto !important;
  }
}
.reveal {
  transform: translate3d(0, 18px, 0);
  transition: opacity .56s ease, transform .56s var(--ui-ease) !important;
}
.reveal.is-visible { transform: translate3d(0, 0, 0); }

/* 语言内容切换仅做轻量反馈，不使用全页模糊或根视图快照 */
body.is-language-switching .hero-copy,
body.is-language-switching .section-heading,
body.is-language-switching .product-nav-head,
body.is-language-switching .site-footer {
  animation: ibLanguageContent .38s var(--ui-ease) both;
}
body.is-language-switching .language-switch__thumb {
  box-shadow:
    0 10px 28px color-mix(in srgb, var(--primary) 34%, transparent),
    0 0 20px color-mix(in srgb, var(--accent) 18%, transparent),
    inset 0 1px rgba(255, 255, 255, .42);
}
@keyframes ibLanguageContent {
  0% { opacity: .76; transform: translate3d(0, 3px, 0); }
  100% { opacity: 1; transform: translate3d(0, 0, 0); }
}
::view-transition-old(root),
::view-transition-new(root) { animation: none !important; }

/* 统一滚动条与可交互状态，避免浏览器默认控件破坏主题 */
* { scrollbar-color: color-mix(in srgb, var(--primary) 38%, transparent) color-mix(in srgb, var(--theme-bg) 88%, transparent); }
*::-webkit-scrollbar { width: 10px; height: 8px; }
*::-webkit-scrollbar-track { background: color-mix(in srgb, var(--theme-bg) 90%, transparent); }
*::-webkit-scrollbar-thumb {
  border: 2px solid color-mix(in srgb, var(--theme-bg) 88%, transparent);
  border-radius: 999px;
  background: linear-gradient(var(--primary), color-mix(in srgb, var(--secondary) 72%, var(--primary)));
}

@media (max-width: 1180px) {
  .product-nav.is-static-products .product-nav-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; }
  #hero-title,
  html[data-lang="en-US"] #hero-title { width: min(100%, 760px); }
}

@media (max-width: 780px) {
  .site-header,
  .site-header[data-elevated="false"] {
    width: 100%;
    padding: 10px 12px;
  }
  .site-header::after { left: 12px; right: 12px; }
  .site-header[data-elevated="true"] {
    top: 8px;
    width: calc(100% - 20px);
    padding: 8px 10px;
    border-radius: 20px !important;
  }
  .site-header[data-elevated="true"]::after { left: 16px; right: 16px; }
  .language-switch {
    order: -1;
    z-index: 102;
    width: 94px;
    height: 42px;
    padding: 4px;
  }
  .language-switch__option { font-size: 11px; }
  .nav-toggle {
    -webkit-appearance: none;
    appearance: none;
    background: color-mix(in srgb, var(--theme-panel-strong) 62%, transparent);
  }
  .nav-menu {
    border-color: color-mix(in srgb, var(--primary) 18%, transparent) !important;
    background:
      linear-gradient(145deg, color-mix(in srgb, var(--theme-panel-strong) 94%, transparent), color-mix(in srgb, var(--theme-bg) 94%, transparent)) !important;
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    backdrop-filter: blur(18px) saturate(1.2);
  }
  .hero { padding-top: clamp(38px, 8vw, 58px); }
  #hero-title,
  html[data-lang="en-US"] #hero-title {
    width: 100%;
    font-size: clamp(2.15rem, 9.6vw, 2.95rem) !important;
    line-height: 1.08;
    letter-spacing: -.045em;
  }
  html[data-lang="en-US"] #hero-title {
    font-size: clamp(2.05rem, 8.7vw, 2.75rem) !important;
    word-break: normal;
    overflow-wrap: anywhere;
  }
  .product-nav.is-static-products .product-nav-grid {
    display: flex;
    grid-template-columns: none;
  }
  .product-nav.is-static-products .product-nav-card {
    min-width: min(84vw, 340px) !important;
    width: min(84vw, 340px) !important;
    min-height: 228px;
  }
  :is(.hero-panel, .ops-card, .metric-card, .capability-card, .scenario-card, .product-nav-card, .arch-item, .security-card, .contact-inner) {
    border-radius: 20px !important;
  }
}

@media (max-width: 430px) {
  .brand-text { font-size: 14px; }
  .language-switch { width: 86px; height: 40px; }
  .language-switch__option { font-size: 10px; }
  #hero-title,
  html[data-lang="en-US"] #hero-title {
    font-size: clamp(2rem, 9.2vw, 2.55rem) !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .language-switch,
  .language-switch__thumb,
  .language-switch__option,
  .reveal,
  body.is-language-switching .hero-copy,
  body.is-language-switching .section-heading,
  body.is-language-switching .product-nav-head,
  body.is-language-switching .site-footer {
    animation: none !important;
    transition-duration: .001ms !important;
  }
}

/* 超窄屏保留品牌图形，确保英文品牌、语言滑块与菜单按钮均保持完整尺寸 */
@media (max-width: 780px) {
  .nav-toggle {
    flex: 0 0 44px;
    width: 44px;
    min-width: 44px;
  }
}
@media (max-width: 350px) {
  .brand-group { display: none !important; }
  .brand { flex: 0 0 auto; }
  .site-nav { flex: 0 0 auto; }
}