:root {
  color-scheme: dark;
  --bg: #071117;
  --bg-elevated: rgba(11, 22, 30, 0.78);
  --bg-panel: rgba(13, 24, 32, 0.82);
  --bg-panel-strong: #0f1b24;
  --line: rgba(152, 193, 210, 0.18);
  --line-strong: rgba(152, 193, 210, 0.32);
  --text: #edf5f9;
  --muted: #8ea8b4;
  --amber: #f2a457;
  --amber-strong: #ff7c45;
  --cyan: #58dbe2;
  --cyan-strong: #88f3f7;
  --shadow: 0 30px 120px rgba(0, 0, 0, 0.44);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 22px;
  --shell: min(1280px, calc(100vw - 40px));
  --section-space: 164px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Avenir Next", "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(242, 164, 87, 0.16), transparent 24%),
    radial-gradient(circle at 84% 12%, rgba(88, 219, 226, 0.15), transparent 20%),
    radial-gradient(circle at 50% 48%, rgba(255, 255, 255, 0.04), transparent 30%),
    linear-gradient(180deg, #061016 0%, #09141b 45%, #060e14 100%);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(141, 168, 180, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 168, 180, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 92%);
  opacity: 0.8;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Avenir Next", "SF Pro Display", "IBM Plex Sans", "PingFang SC", sans-serif;
  letter-spacing: -0.04em;
  line-height: 1.04;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

[data-lang="en"] [data-locale="zh"],
[data-lang="zh"] [data-locale="en"] {
  display: none !important;
}

.page-aura {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.page-aura__beam {
  position: absolute;
  filter: blur(36px);
  opacity: 0.42;
}

.page-aura__beam--amber {
  top: 70px;
  left: -120px;
  width: 360px;
  height: 260px;
  background: linear-gradient(135deg, rgba(242, 164, 87, 0.24), rgba(255, 124, 69, 0.04));
  transform: rotate(-18deg);
}

.page-aura__beam--cyan {
  right: -80px;
  top: 180px;
  width: 360px;
  height: 320px;
  background: linear-gradient(135deg, rgba(88, 219, 226, 0.18), rgba(136, 243, 247, 0.04));
  transform: rotate(20deg);
}

.page-aura__grid {
  position: absolute;
  inset: 10% 8%;
  border: 1px solid rgba(88, 219, 226, 0.04);
  border-radius: 44px;
}

.shell {
  width: var(--shell);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  backdrop-filter: blur(22px);
  background: rgba(6, 12, 18, 0.56);
  border-bottom: 1px solid rgba(152, 193, 210, 0.1);
}

.header-bar {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 5px;
  padding: 8px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(242, 164, 87, 0.22), rgba(88, 219, 226, 0.08));
  border: 1px solid rgba(242, 164, 87, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brand-mark span {
  border-radius: 6px;
  background: linear-gradient(135deg, var(--amber), var(--cyan));
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-size: 18px;
  letter-spacing: 0.04em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.header-panel {
  display: flex;
  align-items: center;
  gap: 24px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.primary-nav a {
  color: var(--muted);
  font-size: 14px;
  position: relative;
  transition: color 180ms ease;
}

.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: center;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
  transition: transform 180ms ease;
}

.primary-nav a:hover,
.primary-nav a.is-active {
  color: var(--text);
}

.primary-nav a:hover::after,
.primary-nav a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  padding: 4px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 999px;
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 7px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease;
}

.lang-switch button.active {
  background: var(--text);
  color: #071117;
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 6px auto;
  border-radius: 999px;
  background: var(--text);
}

.button {
  appearance: none;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #130c06;
  background: linear-gradient(135deg, var(--amber), var(--amber-strong));
  box-shadow: 0 14px 30px rgba(242, 164, 87, 0.26);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}

.button-ghost,
.button-link {
  color: var(--muted);
  background: transparent;
}

.button-ghost {
  border-color: var(--line);
}

.button-link {
  min-height: 0;
  padding: 0;
}

.button-link:hover,
.button-ghost:hover {
  color: var(--text);
}

.hero {
  position: relative;
  padding: 72px 0 88px;
}

.hero-shell {
  display: grid;
  gap: 52px;
}

.hero-copy {
  width: 100%;
  max-width: none;
  padding-top: 44px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(88, 219, 226, 0.18);
  background: rgba(88, 219, 226, 0.06);
  color: var(--cyan-strong);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow--soft {
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  border-color: var(--line);
}

.hero h1 {
  margin-top: 20px;
  width: 100%;
  max-width: none;
  font-size: clamp(3rem, 5.6vw, 5.6rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero-lead {
  margin-top: 22px;
  max-width: 820px;
  color: rgba(237, 245, 249, 0.82);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-stage {
  display: grid;
  gap: 22px;
}

.hero-stage__meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.stage-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 180px));
  gap: 14px;
}

.stat-card,
.ticker-card,
.info-card,
.product-stage,
.sku-card,
.stack-card,
.news-card,
.contact-card,
.engage-card,
.system-map,
.signal-board {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
  box-shadow: var(--shadow);
  min-width: 0;
}

.stat-card {
  min-height: 132px;
  padding: 24px 22px;
  border-radius: 24px;
  display: grid;
  align-content: space-between;
}

.stat-card strong {
  font-size: 44px;
  line-height: 1;
}

.stat-card span:last-child {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-board {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 16px;
  overflow: hidden;
}

.signal-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 24%, rgba(242, 164, 87, 0.14), transparent 28%),
    radial-gradient(circle at 76% 18%, rgba(88, 219, 226, 0.16), transparent 24%),
    linear-gradient(120deg, rgba(255, 255, 255, 0.035), transparent 46%);
  pointer-events: none;
}

.signal-board svg {
  display: block;
  width: 100%;
  height: auto;
}

.signal-rings circle {
  fill: none;
  stroke: rgba(88, 219, 226, 0.12);
  stroke-width: 1.4;
}

.signal-lines path {
  fill: none;
  stroke: url(#signalCyan);
  stroke-width: 2.4;
  stroke-dasharray: 8 14;
  animation: pulse-line 12s linear infinite;
}

.signal-nodes circle {
  fill: url(#signalAmber);
  animation: pulse-node 4s ease-in-out infinite;
}

.signal-panels rect {
  fill: rgba(8, 18, 24, 0.68);
  stroke: rgba(152, 193, 210, 0.16);
}

.signal-labels text {
  fill: rgba(237, 245, 249, 0.88);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 17px;
}

.signal-labels text:nth-child(even) {
  fill: rgba(142, 168, 180, 0.84);
  font-size: 13px;
}

.signal-core circle:last-of-type {
  fill: rgba(8, 18, 24, 0.96);
  stroke: rgba(255, 255, 255, 0.12);
}

.signal-core text {
  fill: #edf5f9;
  text-anchor: middle;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 24px;
  letter-spacing: 0.06em;
}

.signal-core text:last-child {
  font-size: 17px;
  fill: rgba(142, 168, 180, 0.9);
}

.hero-ticker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.ticker-card {
  min-height: 148px;
  padding: 22px;
  border-radius: 24px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.ticker-label,
.news-meta,
.sku-tag,
.stack-index,
.card-index {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ticker-card strong {
  font-size: 18px;
  line-height: 1.55;
  font-weight: 600;
}

.section {
  position: relative;
  padding: var(--section-space) 0;
}

.section--spacious {
  padding-top: calc(var(--section-space) + 16px);
}

.section::before {
  content: "";
  position: absolute;
  inset: 18px 0 24px;
  pointer-events: none;
  opacity: 0.9;
}

.section > .shell {
  position: relative;
  z-index: 1;
}

.section--solutions,
.section--products,
.section--news,
.section--contact {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.section--solutions {
  background: linear-gradient(180deg, rgba(5, 18, 24, 0.42), rgba(4, 14, 19, 0.16));
}

.section--products {
  background: linear-gradient(180deg, rgba(24, 14, 9, 0.26), rgba(12, 9, 7, 0.08));
}

.section--news {
  background: linear-gradient(180deg, rgba(9, 15, 24, 0.34), rgba(6, 10, 18, 0.1));
}

.section--contact {
  background: linear-gradient(180deg, rgba(28, 16, 11, 0.34), rgba(10, 10, 10, 0.12));
}

.section--solutions::before {
  background:
    linear-gradient(180deg, rgba(8, 24, 30, 0.72), rgba(6, 18, 24, 0.24)),
    radial-gradient(circle at 14% 18%, rgba(88, 219, 226, 0.16), transparent 22%),
    radial-gradient(circle at 82% 72%, rgba(88, 219, 226, 0.12), transparent 26%);
}

.section--products::before {
  background:
    linear-gradient(180deg, rgba(28, 18, 12, 0.58), rgba(18, 12, 8, 0.2)),
    radial-gradient(circle at 84% 18%, rgba(242, 164, 87, 0.16), transparent 22%),
    radial-gradient(circle at 16% 82%, rgba(242, 164, 87, 0.12), transparent 26%);
}

.section--news::before {
  background:
    linear-gradient(180deg, rgba(10, 18, 28, 0.7), rgba(7, 14, 22, 0.22)),
    radial-gradient(circle at 18% 16%, rgba(88, 219, 226, 0.12), transparent 20%),
    radial-gradient(circle at 84% 78%, rgba(242, 164, 87, 0.16), transparent 24%);
}

.section--contact::before {
  background:
    linear-gradient(180deg, rgba(34, 18, 10, 0.72), rgba(16, 12, 9, 0.24)),
    radial-gradient(circle at 16% 78%, rgba(242, 164, 87, 0.16), transparent 24%),
    radial-gradient(circle at 82% 16%, rgba(88, 219, 226, 0.14), transparent 24%);
}

.section-head {
  width: 100%;
  max-width: none;
}

.section-head h2 {
  margin-top: 18px;
  font-size: clamp(2.2rem, 3.8vw, 4rem);
  max-width: none;
  line-height: 1.12;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.section--solutions .section-head h2,
.section--news .section-head h2 {
  background: linear-gradient(90deg, #edf5f9 0%, #8eeef3 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section--products .section-head h2,
.section--contact .section-head h2 {
  background: linear-gradient(90deg, #f7e8d9 0%, #ffb266 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head p {
  margin-top: 24px;
  color: rgba(237, 245, 249, 0.76);
  font-size: 1.08rem;
  line-height: 1.8;
  max-width: 900px;
}

.subsection-head {
  margin-top: 56px;
  width: 100%;
  max-width: none;
  display: grid;
  gap: 18px;
}

.subsection-head h3 {
  font-size: clamp(1.8rem, 2.6vw, 2.8rem);
  text-wrap: balance;
}

.subsection-head p {
  color: rgba(237, 245, 249, 0.76);
  font-size: 1.02rem;
  line-height: 1.8;
}

.solution-grid,
.sku-grid,
.stack-grid,
.news-grid,
.contact-grid {
  display: grid;
  gap: 24px;
  margin-top: 42px;
}

.solution-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card {
  min-height: 280px;
  padding: 34px;
  border-radius: 28px;
  display: grid;
  align-content: start;
  gap: 18px;
}

.section--solutions .info-card {
  background:
    radial-gradient(circle at 82% 18%, rgba(88, 219, 226, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.section--products .stack-card {
  background:
    radial-gradient(circle at 18% 18%, rgba(242, 164, 87, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.section--contact .contact-card,
.section--contact .engage-card {
  background:
    radial-gradient(circle at 82% 18%, rgba(88, 219, 226, 0.1), transparent 24%),
    radial-gradient(circle at 18% 82%, rgba(242, 164, 87, 0.1), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.info-card h3,
.sku-card h3,
.stack-card h3,
.news-card h3,
.contact-card h3,
.engage-card h3,
.system-map h3,
.product-stage h3 {
  font-size: clamp(1.45rem, 1.9vw, 2rem);
  overflow-wrap: anywhere;
}

.section--solutions .section-head .eyebrow,
.section--news .section-head .eyebrow {
  background: rgba(88, 219, 226, 0.08);
  border-color: rgba(88, 219, 226, 0.22);
  color: var(--cyan-strong);
}

.section--products .section-head .eyebrow,
.section--contact .section-head .eyebrow {
  background: rgba(242, 164, 87, 0.08);
  border-color: rgba(242, 164, 87, 0.2);
  color: #ffd2a6;
}

.info-card p,
.sku-card p,
.stack-card p,
.news-card p,
.contact-card p,
.engage-card p,
.system-map p,
.product-stage p {
  color: rgba(237, 245, 249, 0.76);
  line-height: 1.75;
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.system-map {
  margin-top: 34px;
  padding: 34px;
  border-radius: var(--radius-xl);
  display: grid;
  gap: 28px;
  background:
    linear-gradient(180deg, rgba(10, 22, 29, 0.94), rgba(7, 16, 22, 0.88)),
    var(--bg-panel);
}

.system-map__copy {
  display: grid;
  gap: 20px;
  width: 100%;
  max-width: none;
  min-width: 0;
}

.system-map h3 {
  text-wrap: balance;
}

.system-map__visual {
  border-radius: 30px;
  padding: 18px;
  min-height: 520px;
  display: grid;
  align-content: start;
  border: 1px solid rgba(152, 193, 210, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(7, 16, 21, 0.92);
}

.system-map svg,
.system-map__svg {
  display: block;
  width: 100%;
  height: auto;
}

.mobile-architecture {
  display: none;
}

.box-map-frame {
  fill: rgba(8, 16, 22, 0.9);
  stroke: rgba(152, 193, 210, 0.12);
}

.box-map-lines path {
  fill: none;
  stroke: rgba(136, 243, 247, 0.34);
  stroke-width: 3;
  stroke-linecap: round;
}

.box-map-layer rect {
  filter: drop-shadow(0 18px 32px rgba(0, 0, 0, 0.18));
}

.box-map-layer text {
  fill: #071117;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 24px;
  font-weight: 600;
  text-anchor: middle;
}

.box-map-side-labels rect {
  fill: rgba(255, 255, 255, 0.04);
  stroke: rgba(255, 255, 255, 0.1);
}

.box-map-side-labels text {
  fill: rgba(237, 245, 249, 0.92);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 20px;
  text-anchor: middle;
}

.box-map-scenes rect,
.panorama-scenes rect {
  fill: rgba(8, 20, 26, 0.82);
  stroke: rgba(136, 243, 247, 0.2);
}

.box-map-scenes text,
.panorama-scenes text {
  fill: rgba(237, 245, 249, 0.96);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 20px;
  text-anchor: middle;
  letter-spacing: 0.03em;
}

.mobile-architecture__lead {
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(88, 219, 226, 0.16);
  background: rgba(88, 219, 226, 0.08);
  color: var(--cyan-strong);
  font-size: 13px;
  line-height: 1.6;
}

.mobile-architecture__scenes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mobile-architecture__scenes span {
  min-height: 34px;
  padding: 0 11px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid rgba(152, 193, 210, 0.14);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(237, 245, 249, 0.86);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.mobile-architecture__layers {
  position: relative;
  display: grid;
  gap: 12px;
  padding-left: 14px;
}

.mobile-architecture__layers::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(136, 243, 247, 0.7), rgba(255, 155, 91, 0.66));
  opacity: 0.48;
}

.mobile-layer {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 16px 16px 18px;
  border-radius: 22px;
  border: 1px solid rgba(152, 193, 210, 0.12);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.mobile-layer::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 50%;
  width: 14px;
  height: 2px;
  border-radius: 999px;
  background: rgba(237, 245, 249, 0.32);
}

.mobile-layer--top {
  background: linear-gradient(135deg, rgba(199, 246, 248, 0.18), rgba(120, 220, 231, 0.12));
}

.mobile-layer--mid {
  background: linear-gradient(135deg, rgba(141, 238, 244, 0.16), rgba(52, 196, 212, 0.12));
}

.mobile-layer--low {
  background: linear-gradient(135deg, rgba(255, 191, 112, 0.16), rgba(255, 130, 76, 0.1));
}

.mobile-layer--base {
  background: linear-gradient(135deg, rgba(255, 201, 136, 0.18), rgba(255, 155, 91, 0.12));
}

.mobile-layer__index {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(7, 17, 23, 0.58);
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.mobile-layer__copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.mobile-layer__copy strong {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.26;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.mobile-layer__copy > span {
  color: rgba(237, 245, 249, 0.72);
  font-size: 0.92rem;
  line-height: 1.58;
  overflow-wrap: anywhere;
}

.mobile-architecture__footer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mobile-architecture__badge {
  min-height: 34px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: rgba(242, 164, 87, 0.14);
  border: 1px solid rgba(242, 164, 87, 0.2);
  color: #ffd2a6;
}

.product-stage {
  margin-top: 42px;
  padding: 34px;
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 26px;
  align-items: stretch;
  background:
    radial-gradient(circle at 82% 18%, rgba(242, 164, 87, 0.14), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.product-detail-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 24px;
}

.spec-panel,
.scene-panel,
.news-feature,
.news-brief {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
  box-shadow: var(--shadow);
}

.spec-panel {
  background:
    radial-gradient(circle at 18% 18%, rgba(242, 164, 87, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.scene-panel {
  background:
    radial-gradient(circle at 82% 18%, rgba(88, 219, 226, 0.14), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.spec-panel,
.scene-panel {
  padding: 30px;
  border-radius: 28px;
  display: grid;
  gap: 20px;
}

.spec-panel h3,
.scene-panel h3,
.news-feature h3,
.news-brief h3 {
  font-size: clamp(1.55rem, 2vw, 2.1rem);
}

.spec-panel p,
.scene-panel p,
.news-feature p,
.news-brief p {
  color: rgba(237, 245, 249, 0.76);
  line-height: 1.75;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.spec-item {
  min-height: 132px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(152, 193, 210, 0.12);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  align-content: space-between;
  gap: 10px;
}

.spec-item strong {
  font-size: 1.5rem;
  line-height: 1.1;
}

.spec-item span:last-child {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.scene-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.scene-item {
  min-height: 132px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid rgba(152, 193, 210, 0.12);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 10px;
}

.scene-item strong {
  font-size: 1.05rem;
}

.scene-item span:last-child {
  color: rgba(237, 245, 249, 0.76);
  line-height: 1.65;
}

.product-stage__copy {
  display: grid;
  align-content: center;
  gap: 22px;
  padding: 10px 6px;
}

.product-stage__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-stage__chips span {
  min-height: 36px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: rgba(237, 245, 249, 0.86);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.product-stage__visual {
  position: relative;
  min-height: 420px;
  padding: 26px;
  border-radius: 30px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 28%, rgba(242, 164, 87, 0.2), transparent 26%),
    radial-gradient(circle at 76% 12%, rgba(88, 219, 226, 0.16), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    rgba(7, 16, 21, 0.92);
  border: 1px solid rgba(152, 193, 210, 0.14);
}

.product-gallery {
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1.16fr) minmax(0, 0.84fr);
  gap: 14px;
}

.product-gallery__hero,
.product-gallery__card {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 26px;
  border: 1px solid rgba(152, 193, 210, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02)),
    rgba(247, 248, 250, 0.94);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 24px 44px rgba(0, 0, 0, 0.18);
}

.product-gallery__hero::after,
.product-gallery__card::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(8, 16, 22, 0), rgba(8, 16, 22, 0.68));
  pointer-events: none;
}

.product-gallery__hero img,
.product-gallery__card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-gallery__hero img {
  object-position: center 52%;
}

.product-gallery__rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.product-gallery__card img {
  object-position: center;
}

.product-gallery__hero figcaption,
.product-gallery__card figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 1;
  display: grid;
  gap: 6px;
}

.product-gallery__hero strong,
.product-gallery__card strong {
  color: #f6fbfd;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: 0 8px 22px rgba(0, 0, 0, 0.38);
}

.product-gallery__hero figcaption span,
.product-gallery__card figcaption span {
  color: rgba(237, 245, 249, 0.92);
  font-size: 0.92rem;
  line-height: 1.55;
  text-shadow: 0 8px 22px rgba(0, 0, 0, 0.38);
}

.product-gallery__card--ports img {
  object-position: center 42%;
}

.device-stack {
  position: absolute;
  inset: 26px;
}

.device {
  position: absolute;
  left: 50%;
  width: min(100%, 360px);
  aspect-ratio: 1.08 / 0.64;
  transform: translateX(-50%);
  border-radius: 30px;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.02)),
    linear-gradient(180deg, rgba(24, 35, 44, 0.94), rgba(9, 18, 24, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 24px 60px rgba(0, 0, 0, 0.36);
}

.device::before,
.device::after {
  content: "";
  position: absolute;
}

.device::before {
  inset: 18px 18px auto;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(88, 219, 226, 0.52), rgba(242, 164, 87, 0.42));
}

.device::after {
  left: 24px;
  right: 24px;
  bottom: 24px;
  height: 70px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.02);
  box-shadow:
    inset 0 0 0 1px rgba(152, 193, 210, 0.14),
    inset 0 18px 30px rgba(88, 219, 226, 0.06);
}

.device--max {
  top: 18px;
  z-index: 3;
}

.device--pro {
  top: 122px;
  left: calc(50% - 70px);
  width: min(82%, 300px);
  z-index: 2;
}

.device--base {
  top: 220px;
  left: calc(50% + 60px);
  width: min(68%, 250px);
  z-index: 1;
}

.device-label {
  position: absolute;
  left: 26px;
  bottom: 110px;
  color: var(--text);
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sku-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sku-card {
  min-height: 320px;
  padding: 30px;
  border-radius: 28px;
  display: grid;
  align-content: start;
  gap: 18px;
  background:
    radial-gradient(circle at 82% 18%, rgba(242, 164, 87, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.sku-card__head {
  display: grid;
  gap: 12px;
}

.sku-card ul {
  display: grid;
  gap: 10px;
}

.sku-card li {
  padding-left: 18px;
  position: relative;
  color: rgba(237, 245, 249, 0.84);
  line-height: 1.65;
}

.sku-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), var(--cyan));
}

.stack-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stack-card {
  min-height: 236px;
  padding: 30px;
  border-radius: 26px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.stack-index {
  color: var(--cyan-strong);
}

.news-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-card {
  min-height: 286px;
  padding: 24px;
  border-radius: 28px;
  display: grid;
  align-content: start;
  gap: 14px;
}

.news-layout {
  margin-top: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 24px;
}

.news-feature {
  min-height: 430px;
  padding: 34px;
  border-radius: var(--radius-xl);
  display: grid;
  align-content: space-between;
  gap: 24px;
  background:
    radial-gradient(circle at 82% 18%, rgba(88, 219, 226, 0.14), transparent 24%),
    radial-gradient(circle at 18% 24%, rgba(242, 164, 87, 0.16), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.news-rail {
  display: grid;
  gap: 24px;
}

.news-brief {
  min-height: 130px;
  padding: 28px;
  border-radius: 28px;
  display: grid;
  gap: 14px;
  background:
    radial-gradient(circle at 14% 18%, rgba(88, 219, 226, 0.1), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015)),
    var(--bg-panel);
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.news-link::after {
  content: "->";
  color: var(--amber);
}

.contact-grid {
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
}

.contact-card,
.engage-card {
  min-height: 420px;
  padding: 32px;
  border-radius: var(--radius-xl);
}

.contact-card {
  display: grid;
  align-content: start;
  gap: 24px;
}

.contact-card__head {
  display: grid;
  gap: 16px;
}

.contact-list {
  display: grid;
  gap: 18px;
}

.contact-line {
  display: grid;
  grid-template-columns: minmax(110px, 140px) minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid rgba(152, 193, 210, 0.12);
}

.contact-line:first-child {
  border-top: 0;
  padding-top: 0;
}

.contact-line strong {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-line span:last-child {
  line-height: 1.7;
}

.engage-card {
  display: grid;
  align-content: space-between;
  gap: 28px;
}

.engage-card__copy {
  display: grid;
  gap: 18px;
}

.engage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.community-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.community-links a {
  min-height: 38px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(237, 245, 249, 0.86);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer {
  padding: 26px 0 52px;
  border-top: 1px solid rgba(152, 193, 210, 0.1);
  background: rgba(5, 10, 15, 0.44);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.footer-brand {
  display: grid;
  gap: 16px;
}

.footer-brand strong {
  font-size: 24px;
  letter-spacing: 0.04em;
}

.footer-brand p,
.footer-col span,
.footer-col a {
  color: var(--muted);
  line-height: 1.8;
}

.footer-col {
  display: grid;
  align-content: start;
  gap: 6px;
}

.footer-title {
  margin-bottom: 6px;
  color: var(--text) !important;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.footer-col a:hover {
  color: var(--text);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 720ms ease, transform 720ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.tilt-card {
  transform-style: preserve-3d;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.tilt-card:hover {
  border-color: var(--line-strong);
}

@keyframes pulse-node {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.26);
    opacity: 0.72;
  }
}

@keyframes pulse-line {
  to {
    stroke-dashoffset: -240;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1180px) {
  .primary-nav {
    gap: 14px;
  }

  .product-stage {
    grid-template-columns: 1fr;
  }

  .product-detail-grid,
  .news-layout {
    grid-template-columns: 1fr;
  }

  .stack-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1100px) {
  .hero h1 {
    white-space: nowrap;
  }

  .section-head h2,
  .subsection-head h3,
  .system-map h3 {
    white-space: nowrap;
  }
}

@media (max-width: 960px) {
  :root {
    --shell: min(100vw - 28px, 100%);
    --section-space: 112px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .header-panel {
    position: fixed;
    top: 84px;
    left: 14px;
    right: 14px;
    padding: 18px;
    border-radius: 28px;
    border: 1px solid var(--line);
    background: rgba(6, 12, 18, 0.95);
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }

  body.nav-open .header-panel {
    display: flex;
  }

  .primary-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .primary-nav a::after {
    display: none;
  }

  .header-actions {
    flex-wrap: wrap;
  }

  .stage-highlights,
  .hero-ticker,
  .solution-grid,
  .sku-grid,
  .product-detail-grid,
  .news-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .system-map {
    grid-template-columns: 1fr;
  }

  .system-map__visual {
    min-height: 420px;
  }

  .hero h1 {
    max-width: 100%;
  }
}

@media (max-width: 720px) {
  :root {
    --section-space: 92px;
  }

  .header-bar {
    min-height: 76px;
  }

  .hero {
    padding-top: 32px;
  }

  .hero-shell {
    gap: 34px;
  }

  .hero-copy {
    padding-top: 16px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 12vw, 4.1rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
  }

  .hero-lead {
    max-width: none;
  }

  .hero-stage {
    gap: 16px;
  }

  .hero-stage__meta {
    gap: 14px;
  }

  .hero-lead,
  .section-head p,
  .info-card p,
  .sku-card p,
  .stack-card p,
  .news-card p,
  .contact-card p,
  .engage-card p,
  .system-map p,
  .product-stage p {
    font-size: 0.98rem;
    line-height: 1.72;
  }

  .signal-labels text {
    font-size: 14px;
  }

  .signal-labels text:nth-child(even) {
    font-size: 11px;
  }

  .layer-text text {
    font-size: 16px;
  }

  .box-map-layer text {
    font-size: 16px;
  }

  .box-map-side-labels text {
    font-size: 14px;
  }

  .box-map-scenes text,
  .panorama-scenes text {
    font-size: 16px;
  }

  .stat-card,
  .ticker-card,
  .info-card,
  .sku-card,
  .stack-card,
  .news-feature,
  .news-brief,
  .contact-card,
  .engage-card,
  .spec-panel,
  .scene-panel {
    min-height: auto;
  }

  .info-card,
  .sku-card,
  .stack-card,
  .news-feature,
  .news-brief,
  .contact-card,
  .engage-card,
  .spec-panel,
  .scene-panel,
  .product-stage,
  .system-map {
    padding: 24px;
  }

  .stat-card {
    min-height: 110px;
    padding: 18px;
  }

  .stat-card strong {
    font-size: 34px;
  }

  .ticker-card {
    padding: 18px;
    gap: 10px;
  }

  .product-stage__visual {
    min-height: 320px;
  }

  .device--max {
    top: 8px;
  }

  .device--pro {
    top: 104px;
    left: calc(50% - 42px);
  }

  .device--base {
    top: 188px;
    left: calc(50% + 36px);
  }

  .contact-line {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .spec-grid,
  .scene-list {
    grid-template-columns: 1fr;
  }

  .system-map__visual {
    min-height: 280px;
    padding: 12px;
  }
}

@media (max-width: 560px) {
  :root {
    --shell: min(100vw - 20px, 100%);
    --section-space: 82px;
  }

  .site-header {
    backdrop-filter: blur(14px);
  }

  .header-bar {
    min-height: 72px;
  }

  .brand-copy span {
    letter-spacing: 0.12em;
  }

  .brand-copy strong {
    font-size: 17px;
  }

  .brand-copy span {
    font-size: 10px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
  }

  .hero {
    padding: 24px 0 44px;
  }

  .hero-shell {
    gap: 30px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 13vw, 3.5rem);
    line-height: 1.05;
    letter-spacing: -0.035em;
  }

  .hero-lead {
    font-size: 0.95rem;
    line-height: 1.68;
  }

  .hero-stage__meta {
    align-items: stretch;
  }

  .stage-highlights {
    width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .section-head h2,
  .subsection-head h3,
  .system-map h3 {
    white-space: normal;
  }

  .section-head h2 {
    font-size: clamp(1.9rem, 9vw, 2.8rem);
    line-height: 1.14;
  }

  .subsection-head h3 {
    font-size: clamp(1.6rem, 8vw, 2.2rem);
  }

  .info-card h3,
  .sku-card h3,
  .stack-card h3,
  .contact-card h3,
  .engage-card h3,
  .news-feature h3,
  .news-brief h3,
  .spec-panel h3,
  .scene-panel h3,
  .product-stage h3 {
    font-size: clamp(1.3rem, 7vw, 1.8rem);
    line-height: 1.16;
  }

  .signal-board {
    padding: 10px;
  }

  .signal-labels text {
    font-size: 11px;
  }

  .signal-labels text:nth-child(even) {
    font-size: 9px;
  }

  .signal-core text {
    font-size: 16px;
  }

  .signal-core text:last-child {
    font-size: 11px;
  }

  .subsection-head {
    margin-top: 44px;
    gap: 14px;
  }

  .section-head p {
    margin-top: 18px;
  }

  .solution-grid,
  .sku-grid,
  .stack-grid,
  .news-grid,
  .contact-grid {
    gap: 16px;
    margin-top: 30px;
  }

  .product-stage,
  .product-detail-grid,
  .news-layout {
    gap: 16px;
    margin-top: 30px;
  }

  .stat-card {
    min-height: 94px;
    padding: 14px;
    border-radius: 20px;
  }

  .stat-card strong {
    font-size: 28px;
  }

  .stat-card span:last-child {
    font-size: 11px;
    letter-spacing: 0.05em;
  }

  .ticker-card {
    padding: 16px;
    gap: 10px;
  }

  .ticker-card strong {
    font-size: 16px;
    line-height: 1.5;
  }

  .system-map {
    margin-top: 30px;
    padding: 20px;
    gap: 18px;
  }

  .system-map__visual {
    min-height: auto;
    padding: 16px;
  }

  .system-map .system-map__svg {
    display: none;
  }

  .mobile-architecture {
    display: grid;
    gap: 14px;
  }

  .hero-actions,
  .engage-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .button-link {
    width: 100%;
  }

  .button-link {
    justify-content: flex-start;
  }

  .header-actions {
    gap: 10px;
  }

  .header-panel {
    top: 74px;
    left: 10px;
    right: 10px;
    padding: 16px;
    border-radius: 22px;
  }

  .signal-board,
  .system-map,
  .product-stage,
  .contact-card,
  .engage-card {
    border-radius: 28px;
  }

  .stat-card,
  .ticker-card,
  .info-card,
  .sku-card,
  .stack-card,
  .news-card {
    border-radius: 24px;
  }

  .product-stage__visual {
    min-height: 280px;
    padding: 20px;
  }

  .product-gallery {
    grid-template-rows: auto auto;
  }

  .product-gallery__hero,
  .product-gallery__card {
    border-radius: 22px;
  }

  .product-gallery__hero {
    min-height: 190px;
  }

  .product-gallery__rail {
    grid-template-columns: 1fr;
  }

  .product-gallery__card {
    min-height: 160px;
  }

  .product-gallery__hero figcaption,
  .product-gallery__card figcaption {
    left: 14px;
    right: 14px;
    bottom: 14px;
    gap: 4px;
  }

  .product-gallery__hero strong,
  .product-gallery__card strong {
    font-size: 0.96rem;
  }

  .product-gallery__hero figcaption span,
  .product-gallery__card figcaption span {
    font-size: 0.82rem;
    line-height: 1.45;
  }

  .device-stack {
    inset: 20px;
  }

  .device {
    border-radius: 24px;
  }

  .device::before {
    inset: 14px 14px auto;
    height: 20px;
  }

  .device::after {
    left: 18px;
    right: 18px;
    bottom: 18px;
    height: 56px;
  }

  .device-label {
    left: 18px;
    bottom: 88px;
    font-size: 13px;
  }

  .device--pro {
    top: 88px;
    left: calc(50% - 34px);
  }

  .device--base {
    top: 158px;
    left: calc(50% + 28px);
  }

  .footer-grid {
    gap: 18px;
  }

  .site-footer {
    padding-top: 18px;
    padding-bottom: 36px;
  }
}

@media (max-width: 420px) {
  :root {
    --shell: min(100vw - 18px, 100%);
    --section-space: 76px;
  }

  .hero h1 {
    font-size: clamp(1.96rem, 12vw, 3rem);
  }

  .section-head h2 {
    font-size: clamp(1.72rem, 8.8vw, 2.3rem);
  }

  .subsection-head h3 {
    font-size: clamp(1.42rem, 7.8vw, 1.96rem);
  }

  .eyebrow {
    min-height: 30px;
    padding: 0 12px;
    font-size: 10px;
    letter-spacing: 0.12em;
  }

  .button {
    min-height: 46px;
    padding: 0 16px;
  }

  .mobile-architecture__lead,
  .mobile-layer,
  .info-card,
  .sku-card,
  .stack-card,
  .news-feature,
  .news-brief,
  .contact-card,
  .engage-card,
  .spec-panel,
  .scene-panel {
    padding-left: 14px;
    padding-right: 14px;
  }

  .mobile-layer {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .mobile-layer__copy strong {
    font-size: 0.95rem;
  }

  .mobile-layer__copy > span {
    font-size: 0.86rem;
  }

  .mobile-architecture__scenes {
    gap: 6px;
  }

  .mobile-architecture__scenes span {
    min-height: 32px;
    padding: 0 10px;
    font-size: 11px;
  }

  .product-stage__chips span {
    min-height: 34px;
    padding: 0 12px;
    font-size: 12px;
  }
}

@media (max-width: 340px) {
  :root {
    --shell: min(100vw - 14px, 100%);
    --section-space: 68px;
  }

  .header-bar {
    min-height: 68px;
    gap: 10px;
  }

  .brand {
    gap: 10px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    padding: 7px;
    border-radius: 14px;
  }

  .brand-copy strong {
    font-size: 15px;
  }

  .brand-copy span {
    font-size: 9px;
    letter-spacing: 0.08em;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }

  .hero {
    padding: 20px 0 38px;
  }

  .hero-shell {
    gap: 24px;
  }

  .hero h1 {
    font-size: clamp(1.78rem, 11.2vw, 2.56rem);
    line-height: 1.06;
  }

  .hero-lead,
  .section-head p,
  .info-card p,
  .sku-card p,
  .stack-card p,
  .news-card p,
  .contact-card p,
  .engage-card p,
  .system-map p,
  .product-stage p {
    font-size: 0.9rem;
    line-height: 1.62;
  }

  .hero-actions {
    gap: 10px;
    margin-top: 28px;
  }

  .stage-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .stage-highlights .stat-card:last-child {
    grid-column: 1 / -1;
  }

  .stat-card {
    min-height: 84px;
    padding: 12px;
    border-radius: 18px;
  }

  .stat-card strong {
    font-size: 24px;
  }

  .stat-card span:last-child {
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  .signal-board,
  .system-map,
  .product-stage,
  .contact-card,
  .engage-card,
  .info-card,
  .sku-card,
  .stack-card,
  .news-feature,
  .news-brief,
  .spec-panel,
  .scene-panel {
    border-radius: 22px;
  }

  .info-card,
  .sku-card,
  .stack-card,
  .news-feature,
  .news-brief,
  .contact-card,
  .engage-card,
  .spec-panel,
  .scene-panel,
  .product-stage,
  .system-map {
    padding: 14px;
  }

  .system-map__visual {
    padding: 12px;
  }

  .mobile-architecture {
    gap: 10px;
  }

  .mobile-architecture__lead {
    padding: 10px 12px;
    border-radius: 16px;
    font-size: 12px;
  }

  .mobile-architecture__scenes span {
    min-height: 30px;
    padding: 0 9px;
    font-size: 10px;
  }

  .mobile-architecture__layers {
    padding-left: 12px;
    gap: 10px;
  }

  .mobile-layer {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 8px;
    padding: 12px;
  }

  .mobile-layer__index {
    min-height: 36px;
    border-radius: 12px;
    font-size: 11px;
  }

  .mobile-layer__copy strong {
    font-size: 0.9rem;
  }

  .mobile-layer__copy > span {
    font-size: 0.8rem;
    line-height: 1.5;
  }

  .eyebrow {
    min-height: 28px;
    padding: 0 10px;
    font-size: 9px;
    letter-spacing: 0.1em;
  }

  .button {
    min-height: 44px;
    padding: 0 14px;
  }

  .product-stage__chips {
    gap: 8px;
  }

  .product-stage__chips span {
    min-height: 32px;
    padding: 0 10px;
    font-size: 11px;
  }

  .product-stage__visual {
    min-height: 240px;
    padding: 14px;
  }

  .product-gallery {
    gap: 10px;
  }

  .product-gallery__hero,
  .product-gallery__card {
    border-radius: 18px;
  }

  .product-gallery__hero {
    min-height: 160px;
  }

  .product-gallery__card {
    min-height: 136px;
  }

  .product-gallery__hero figcaption,
  .product-gallery__card figcaption {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .product-gallery__hero strong,
  .product-gallery__card strong {
    font-size: 0.88rem;
  }

  .product-gallery__hero figcaption span,
  .product-gallery__card figcaption span {
    font-size: 0.76rem;
    line-height: 1.38;
  }

  .device-stack {
    inset: 14px;
  }

  .device {
    border-radius: 20px;
  }

  .device::before {
    inset: 12px 12px auto;
    height: 18px;
  }

  .device::after {
    left: 14px;
    right: 14px;
    bottom: 14px;
    height: 44px;
    border-radius: 14px;
  }

  .device-label {
    left: 14px;
    bottom: 70px;
    font-size: 12px;
    letter-spacing: 0.08em;
  }

  .device--pro {
    top: 74px;
    left: calc(50% - 24px);
  }

  .device--base {
    top: 132px;
    left: calc(50% + 20px);
  }
}