:root {
  --ink: #111315;
  --ink-2: #1a1d20;
  --paper: #f1f2ef;
  --white: #fbfcf9;
  --muted: #73777b;
  --line: #cfd1cd;
  --dark-line: rgba(255, 255, 255, 0.17);
  --accent: #ff5a36;
  --accent-dark: #d93d1c;
  --page: 1320px;
  --header: 72px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --header-total: calc(var(--header) + var(--safe-top));
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

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

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: rgba(255, 90, 54, 0.16);
}

body.menu-open {
  overflow: hidden;
}

body.is-loading {
  overflow: hidden;
}

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

button {
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.site-loader {
  display: none;
}

.js .site-loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  color: #fff;
  background: var(--ink);
  pointer-events: all;
}

.loader-cell {
  min-width: 0;
  padding: clamp(26px, 3.6vw, 58px);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  background-color: var(--ink-2);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 680ms cubic-bezier(0.76, 0, 0.24, 1);
}

.loader-cell:nth-child(-n + 2) {
  padding-top: calc(clamp(26px, 3.6vw, 58px) + var(--safe-top));
}

.loader-cell:nth-child(n + 3) {
  padding-bottom: calc(clamp(26px, 3.6vw, 58px) + var(--safe-bottom));
}

.loader-cell:nth-child(2n) { border-right: 0; }
.loader-cell:nth-child(n + 3) { border-bottom: 0; }

.loader-brand-cell > span,
.loader-system-cell > span,
.loader-status-cell small {
  color: rgba(255, 255, 255, 0.36);
  font-size: 9px;
  font-weight: 720;
}

.loader-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.loader-brand strong {
  font-size: clamp(30px, 4.8vw, 78px);
  line-height: 1;
  font-weight: 760;
}

.loader-brand .brand-mark {
  width: clamp(34px, 4vw, 62px);
  height: clamp(34px, 4vw, 62px);
}

.loader-brand .brand-mark i {
  width: 12%;
  height: 58%;
  top: 21%;
}

.loader-meter-cell {
  align-items: flex-end;
}

.loader-meter-cell strong {
  margin: auto 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(66px, 9vw, 150px);
  line-height: 0.9;
  font-weight: 420;
  font-variant-numeric: tabular-nums;
}

.loader-signal {
  width: 10px;
  height: 10px;
  display: inline-block;
  flex: 0 0 auto;
  background: var(--accent);
}

.loader-system-cell p {
  max-width: 580px;
  margin: auto 0 0;
  font-size: clamp(24px, 2.8vw, 44px);
  line-height: 1.12;
  font-weight: 620;
}

.loader-status-cell > div:first-child {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 650;
}

.loader-bar {
  width: 100%;
  height: 2px;
  margin: auto 0 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.14);
}

.loader-bar i {
  width: 0;
  height: 100%;
  display: block;
  background: var(--accent);
  transition: width 90ms linear;
}

.site-loader.is-complete {
  pointer-events: none;
}

.site-loader.is-complete .loader-cell:nth-child(-n + 2) {
  transform: translateY(-102%);
}

.site-loader.is-complete .loader-cell:nth-child(n + 3) {
  transform: translateY(102%);
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--accent);
  transform: translateY(-150%);
}

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

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-total);
  padding: var(--safe-top) calc(32px + var(--safe-right)) 0 calc(32px + var(--safe-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  background: rgba(17, 19, 21, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.brand {
  min-width: 310px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 760;
}

.brand-mark {
  position: relative;
  width: 26px;
  height: 26px;
  display: inline-block;
  color: var(--accent);
  border: 1px solid currentColor;
}

.brand-mark i {
  position: absolute;
  width: 4px;
  height: 15px;
  top: 5px;
  background: currentColor;
  transform: skew(-18deg);
}

.brand-mark i:first-child { left: 7px; }
.brand-mark i:last-child { right: 7px; }

.brand-word {
  font-size: 14px;
  font-weight: 800;
}

.brand-descriptor {
  padding-left: 12px;
  color: rgba(255, 255, 255, 0.46);
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 11px;
  font-weight: 520;
}

.nav {
  height: 100%;
  display: flex;
  align-items: center;
}

.nav a {
  height: 100%;
  padding: 0 18px;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.64);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  transition: color 180ms ease, background 180ms ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  outline: none;
}

.nav .nav-contact {
  min-width: 154px;
  justify-content: space-between;
  color: var(--ink);
  background: var(--accent);
  border-left-color: var(--accent);
  font-weight: 700;
}

.nav .nav-contact:hover,
.nav .nav-contact:focus-visible {
  color: var(--ink);
  background: #ff7355;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.menu-open .menu-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
.menu-open .menu-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }

.hero {
  position: relative;
  min-height: 820px;
  height: 100svh;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
  isolation: isolate;
}

.hero-image {
  position: absolute;
  inset: 0;
  z-index: -4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.08) contrast(1.12);
  animation: hero-enter 1.4s ease-out both;
}

.hero-mask {
  position: absolute;
  inset: 0;
  z-index: -3;
  background: rgba(17, 19, 21, 0.46);
}

.hero-mask::before {
  position: absolute;
  inset: 0 42% 0 0;
  content: "";
  background: rgba(17, 19, 21, 0.78);
}

.grid-overlay,
.twin-grid {
  position: absolute;
  inset: var(--header-total) 0 0;
  z-index: -2;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  pointer-events: none;
}

.grid-overlay span,
.twin-grid span {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.grid-overlay span:last-child,
.twin-grid span:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.grid-overlay::before,
.grid-overlay::after,
.twin-grid::before,
.twin-grid::after {
  position: absolute;
  inset-inline: 0;
  content: "";
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.grid-overlay::before,
.twin-grid::before { top: 36%; }
.grid-overlay::after,
.twin-grid::after { top: 72%; }

.hero-inner {
  width: min(var(--page), calc(100% - 96px));
  height: 100%;
  margin: 0 auto;
  padding: calc(128px + var(--safe-top)) 0 72px;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.hero-kicker {
  margin: 0;
  padding-left: 18px;
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 650;
}

.hero-kicker::before {
  position: absolute;
  top: 5px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--accent);
}

.hero h1 {
  margin: 48px 0 36px;
  align-self: center;
  font-size: 82px;
  line-height: 1.04;
  font-weight: 680;
}

.hero h1 span {
  display: block;
}

.hero h1 span:nth-child(2) {
  padding-left: 92px;
}

.hero h1 .accent-line {
  padding-left: 184px;
  color: var(--accent);
}

.hero-bottom {
  padding-left: 42%;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto;
  gap: 50px;
  align-items: end;
}

.hero-bottom > p {
  max-width: 610px;
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 10px;
}

.action {
  min-height: 48px;
  padding: 0 17px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 12px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease;
}

.action:hover,
.action:focus-visible {
  transform: translateY(-3px);
  outline: none;
}

.action-primary {
  color: var(--ink);
  background: var(--accent);
  border-color: var(--accent);
}

.action-ghost:hover,
.action-ghost:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.hero-index {
  position: absolute;
  top: calc(108px + var(--safe-top));
  right: 34px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 10px;
  font-weight: 700;
}

.hero-rail {
  position: absolute;
  top: 50%;
  right: 31px;
  bottom: auto;
  display: grid;
  justify-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 8px;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}

.hero-rail i {
  width: 1px;
  height: 28px;
  background: var(--accent);
}

.statement-band {
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  background: var(--ink-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.statement-track {
  min-height: 78px;
  padding: 0 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 700;
}

.statement-track b {
  color: var(--accent);
  font-size: 26px;
  font-weight: 400;
}

.section {
  padding: 132px 0;
}

.section-shell {
  width: min(var(--page), calc(100% - 96px));
  margin: 0 auto;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 760;
}

.section-label b {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  color: var(--ink);
  border: 1px solid currentColor;
  font-size: 9px;
}

.section-label.light {
  color: rgba(255, 255, 255, 0.55);
}

.section-label.light b {
  color: #fff;
}

.section-label.dark {
  color: rgba(17, 19, 21, 0.62);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 2.4fr 1.2fr;
  gap: 54px;
  align-items: start;
}

.section-heading h2,
.team-heading h2 {
  margin: 0;
  font-size: 58px;
  line-height: 1.12;
  font-weight: 680;
}

.section-heading > p,
.team-heading > p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.about,
.cooperation,
.team {
  background: var(--paper);
}

.value-matrix {
  margin-top: 92px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
}

.value-item:last-child {
  border-right: 1px solid var(--line);
}

.value-media {
  position: relative;
  aspect-ratio: 4 / 3;
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.value-media::after {
  position: absolute;
  inset: 42% 0 0;
  content: "";
  background: linear-gradient(transparent, rgba(17, 19, 21, 0.74));
  pointer-events: none;
}

.value-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.04);
  transition: transform 650ms cubic-bezier(0.22, 1, 0.36, 1), filter 300ms ease;
}

.value-item:hover .value-media img {
  transform: scale(1.025);
  filter: saturate(0.88) contrast(1.04);
}

.value-media figcaption {
  position: absolute;
  inset: auto 22px 18px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 8px;
  font-weight: 720;
}

.value-media figcaption b {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--accent);
  font-size: 9px;
}

.value-copy {
  min-height: 230px;
  padding: 28px 30px 30px;
  display: flex;
  flex-direction: column;
}

.value-copy h3 {
  margin: 0;
  font-size: 28px;
}

.value-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.value-copy strong {
  margin-top: auto;
  padding-top: 18px;
  display: block;
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.mode-item > span,
.fit-grid article > span {
  color: var(--muted);
  font-size: 9px;
  font-weight: 760;
}

.scenario {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
  isolation: isolate;
}

.scenario-media {
  position: absolute;
  inset: 0 0 0 54%;
  z-index: -2;
}

.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  filter: grayscale(1) contrast(1.15);
  opacity: 0.2;
}

.scenario-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(17, 19, 21, 0.38);
}

.scenario-shell {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 86px;
  align-items: start;
}

.scenario-intro {
  position: sticky;
  top: 128px;
}

.scenario-intro h2 {
  margin: 42px 0 0;
  font-size: 58px;
  line-height: 1.12;
}

.scenario-intro > p {
  max-width: 500px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
  line-height: 1.8;
}

.path-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--dark-line);
}

.path-list li {
  min-height: 144px;
  padding: 24px 0;
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--dark-line);
}

.path-list li > b {
  color: var(--accent);
  font-size: 38px;
}

.path-list li div > span {
  color: rgba(255, 255, 255, 0.38);
  font-size: 8px;
  font-weight: 760;
}

.path-list h3 {
  margin: 8px 0 0;
  font-size: 23px;
}

.path-list p {
  margin: 9px 0 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.outcomes {
  color: var(--ink);
  background: var(--paper);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.outcomes-top {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 54px;
}

.outcomes-top > p {
  margin: 0;
  font-size: 54px;
  line-height: 1.12;
  font-weight: 680;
}

.outcome-word {
  margin-top: 88px;
  padding: 24px 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  font-size: 56px;
  font-weight: 720;
}

.outcome-word i {
  color: rgba(17, 19, 21, 0.28);
  font-style: normal;
  font-weight: 400;
}

.outcome-word span:nth-of-type(3),
.outcome-word span:nth-of-type(4) {
  color: var(--accent);
}

.outcome-detail {
  padding-top: 42px;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 90px;
}

.outcome-detail > p {
  max-width: 480px;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}

.outcome-detail ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  border-top: 1px solid rgba(17, 19, 21, 0.55);
}

.outcome-detail li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(17, 19, 21, 0.55);
  font-size: 12px;
}

.products {
  color: #fff;
  background: var(--ink);
}

.product-heading {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 54px;
}

.product-heading h2 {
  margin: 0;
  font-size: 68px;
  line-height: 1.05;
  font-weight: 650;
}

.product-heading h2 em {
  color: var(--accent);
  font-style: normal;
}

.product-heading > p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
  line-height: 1.85;
}

.product-workbench {
  margin-top: 88px;
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  border: 1px solid var(--dark-line);
}

.product-tabs {
  display: grid;
  grid-template-rows: repeat(5, minmax(92px, 1fr));
  border-right: 1px solid var(--dark-line);
}

.product-tab {
  width: 100%;
  min-height: 92px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 50px 1fr 24px;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.46);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--dark-line);
  text-align: left;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

.product-tab:last-child { border-bottom: 0; }

.product-tab b {
  color: var(--accent);
  font-size: 10px;
}

.product-tab span {
  font-size: 19px;
  font-weight: 650;
}

.product-tab i {
  font-style: normal;
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.product-tab:hover,
.product-tab:focus-visible,
.product-tab.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.product-tab:hover i,
.product-tab:focus-visible i,
.product-tab.active i {
  opacity: 1;
  transform: translate(0, 0);
}

.product-panel {
  min-height: 460px;
  padding: 28px 34px 34px;
  display: flex;
  flex-direction: column;
}

.panel-top {
  padding-bottom: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: rgba(255, 255, 255, 0.42);
  border-bottom: 1px solid var(--dark-line);
  font-size: 9px;
  font-weight: 760;
}

.panel-top i {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-style: normal;
}

.panel-top i b {
  width: 7px;
  height: 7px;
  background: var(--accent);
}

.panel-title-row {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: end;
}

.panel-title-row h3 {
  margin: 0;
  font-size: 48px;
}

.panel-title-row > span {
  color: rgba(255, 255, 255, 0.16);
  font-size: 78px;
  line-height: 0.8;
  font-weight: 700;
}

.product-summary {
  max-width: 680px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.8;
}

.product-demo {
  min-height: 330px;
  margin-top: 30px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.76);
  background: #0b0d0f;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 70px rgba(0, 0, 0, 0.35);
}

.demo-scene {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 22px 22px;
}

.demo-scene[hidden] { display: none; }

.demo-console-head,
.demo-log {
  min-height: 42px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.025);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 8px;
  font-weight: 720;
}

.demo-console-head code,
.demo-log code,
.render-code code {
  color: rgba(255, 255, 255, 0.54);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.demo-console-head > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.48);
}

.demo-console-head > span i {
  width: 7px;
  height: 7px;
  background: var(--accent);
  animation: status-blink 1.4s steps(2, end) infinite;
}

.demo-body {
  min-height: 244px;
  position: relative;
  flex: 1;
}

.demo-body small {
  display: block;
  color: rgba(255, 255, 255, 0.34);
  font-size: 7px;
  font-weight: 760;
}

.demo-log {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 0;
  color: rgba(255, 255, 255, 0.36);
}

.demo-log span { flex: 1; }
.demo-log b { color: var(--accent); font-size: 7px; }

.acquisition-demo,
.twin-demo-grid,
.comment-demo-grid,
.skills-demo-grid,
.avatar-demo-grid {
  display: grid;
  grid-template-columns: 0.9fr 0.72fr 1.25fr;
}

.demo-source-stack,
.knowledge-stack,
.channel-stack,
.conversation-inputs,
.reply-stack,
.video-context-card,
.comment-suggestions,
.member-progress,
.skills-inputs,
.skills-pipeline,
.content-outputs,
.render-code,
.pixel-avatar,
.digital-human-video,
.render-output {
  min-width: 0;
  padding: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.demo-source-stack,
.knowledge-stack,
.channel-stack,
.render-code {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.demo-source-stack > div,
.knowledge-stack > div {
  min-height: 42px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid rgba(255, 255, 255, 0.16);
  font-size: 8px;
}

.demo-source-stack > div span,
.knowledge-stack > div span {
  color: rgba(255, 255, 255, 0.38);
  white-space: nowrap;
}

.demo-scene.active .demo-source-stack > div:nth-child(2) { animation: source-pulse 2.8s 0.2s ease-in-out infinite; }
.demo-scene.active .demo-source-stack > div:nth-child(3) { animation: source-pulse 2.8s 0.8s ease-in-out infinite; }
.demo-scene.active .demo-source-stack > div:nth-child(4) { animation: source-pulse 2.8s 1.4s ease-in-out infinite; }

.demo-scan-core,
.memory-core-demo,
.reasoning-core-demo {
  position: relative;
  padding: 18px 12px;
  display: grid;
  place-items: center;
  align-content: center;
  overflow: hidden;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-pixels {
  width: 112px;
  height: 84px;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(6, 1fr);
  gap: 3px;
}

.tech-pixels i,
.pixel-face i {
  display: block;
  background: rgba(255, 255, 255, 0.1);
}

.tech-pixels i.hot {
  background: var(--accent);
  animation: pixel-pulse 1.6s var(--pixel-delay, 0ms) steps(2, end) infinite;
}

.scan-beam {
  position: absolute;
  inset: 18px 0 auto;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(255, 90, 54, 0.58);
  animation: scan-beam 2.6s linear infinite;
}

.demo-scan-core strong,
.memory-core-demo strong {
  margin-top: 14px;
  color: #fff;
  font-size: 10px;
  line-height: 1.3;
}

.demo-scan-core > span,
.memory-core-demo > span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.34);
  font-size: 7px;
}

.demo-lead-thread {
  padding: 18px;
  display: grid;
  gap: 8px;
  align-content: center;
}

.signal-comment,
.lead-score,
.dm-message {
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.signal-comment p,
.dm-message p {
  margin: 6px 0 0;
  font-size: 9px;
  line-height: 1.55;
}

.lead-score {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
}

.lead-score > b {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--accent);
  font-size: 16px;
}

.lead-score span { font-size: 9px; font-weight: 700; }
.lead-score i,
.dm-message i { color: var(--accent); font-size: 7px; font-style: normal; }
.dm-message i { margin-top: 8px; display: block; text-align: right; }

.demo-scene.active .signal-comment { animation: demo-rise 500ms 300ms both; }
.demo-scene.active .lead-score { animation: demo-rise 500ms 780ms both; }
.demo-scene.active .dm-message { animation: demo-rise 500ms 1260ms both; }

.douyin-watermark {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  color: #fff;
  background: #050505;
  border: 1px solid rgba(255, 255, 255, 0.16);
  pointer-events: none;
}

.douyin-watermark img { width: 15px; height: 15px; object-fit: contain; }
.douyin-watermark b { font-size: 8px; letter-spacing: 0; }
.douyin-watermark small { font-size: 5px; }

.platform-mark b {
  color: #fff;
  font-size: 15px;
  line-height: 1;
  text-shadow: -1px 0 #25f4ee, 1px 0 #fe2c55;
}

.twin-demo-grid { grid-template-columns: 0.9fr 1fr 0.9fr; }

.conversation-inputs,
.reply-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.identity-context {
  padding: 9px 10px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 8px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 2px solid var(--accent);
  font-size: 8px;
}

.identity-context b { color: var(--accent); }
.identity-context i { grid-column: 2; color: rgba(255, 255, 255, 0.36); font-size: 6px; font-style: normal; }

.incoming-bubble,
.assistant-bubble {
  margin-top: auto;
  padding: 10px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.incoming-bubble p,
.assistant-bubble p {
  margin: 0;
  font-size: 8px;
  line-height: 1.55;
}

.incoming-bubble > div {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.incoming-bubble span {
  padding: 5px 6px;
  color: var(--accent);
  background: rgba(255, 90, 54, 0.08);
  border: 1px solid rgba(255, 90, 54, 0.25);
  font-size: 6px;
}

.reasoning-core-demo {
  position: relative;
  padding: 18px 12px;
  display: grid;
  place-items: center;
  align-content: center;
  overflow: hidden;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.reasoning-core-demo .tech-pixels {
  width: 96px;
  height: 72px;
}

.reasoning-core-demo ol {
  width: 100%;
  margin: 13px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
  list-style: none;
  counter-reset: reason;
}

.reasoning-core-demo li {
  padding: 5px 6px;
  color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.035);
  font-size: 6px;
  counter-increment: reason;
}

.reasoning-core-demo li::before {
  margin-right: 6px;
  color: var(--accent);
  content: "0" counter(reason);
}

.assistant-bubble { margin-top: 0; }
.assistant-bubble b { color: var(--accent); font-size: 7px; }
.assistant-bubble p { margin-top: 7px; }
.reply-channels { margin-top: auto; display: grid; grid-template-columns: repeat(2, 1fr); gap: 5px; }
.reply-channels .mini-platform {
  min-height: 28px;
  padding: 5px 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: #fff;
  font-size: 7px;
  font-weight: 700;
}

.mini-brand-icon,
.brand-icon {
  position: relative;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.mini-brand-icon { width: 15px; height: 15px; }
.brand-icon { width: 20px; height: 20px; }
.mini-brand-icon img,
.brand-icon img { width: 100%; height: 100%; object-fit: contain; }

.platform-douyin { background: #050505 !important; }
.platform-redbook { background: #ff2442 !important; }
.platform-wechat { background: #07c160 !important; }
.platform-channels { color: #17191b !important; background: #fff !important; }

.platform-channels .mini-brand-icon img,
.platform-channels .brand-icon img {
  position: absolute;
  width: 42px;
  height: auto;
  max-width: none;
  left: -13px;
  top: -4px;
}

.platform-channels .brand-icon img {
  width: 56px;
  left: -18px;
  top: -5px;
}

.memory-core-demo::before,
.memory-core-demo::after {
  position: absolute;
  top: 50%;
  width: 28px;
  content: "";
  border-top: 1px dashed var(--accent);
}

.memory-core-demo::before { left: 0; }
.memory-core-demo::after { right: 0; }

.channel-stack span {
  min-height: 34px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  font-size: 8px;
}

.channel-stack span i {
  color: var(--accent);
  font-size: 6px;
  font-style: normal;
}

.demo-scene.active .knowledge-stack > div { animation: data-feed 2.4s ease-in-out infinite; }
.demo-scene.active .knowledge-stack > div:nth-child(3) { animation-delay: 400ms; }
.demo-scene.active .knowledge-stack > div:nth-child(4) { animation-delay: 800ms; }

.comment-demo-grid { grid-template-columns: 0.74fr 1.2fr 0.9fr; }

.video-context-card,
.comment-suggestions,
.member-progress,
.skills-inputs,
.content-outputs,
.render-output {
  display: flex;
  flex-direction: column;
}

.video-context-card strong {
  margin-top: auto;
  color: #fff;
  font-size: 15px;
  line-height: 1.35;
}

.video-context-card > span {
  margin-top: 10px;
  color: var(--accent);
  font-size: 7px;
}

.platform-mark {
  width: fit-content;
  margin-top: 16px;
  padding: 6px 8px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.platform-mark span { color: #fff; font-size: 8px; font-weight: 700; }

.comment-suggestions { gap: 8px; }
.comment-suggestions p {
  margin: 0;
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 2px solid rgba(255, 255, 255, 0.14);
  font-size: 8px;
  line-height: 1.45;
}
.comment-suggestions p b { margin-right: 8px; color: var(--accent); }

.progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.progress-head b { color: #fff; font-size: 14px; }
.progress-track { height: 3px; margin: 14px 0 10px; background: rgba(255, 255, 255, 0.1); }
.progress-track i { width: 70%; height: 100%; display: block; background: var(--accent); transform-origin: left; }
.demo-scene.active .progress-track i { animation: progress-run 1.4s 300ms both; }
.member-progress ul { margin: 0; padding: 0; list-style: none; }
.member-progress li { padding: 8px 0; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(255, 255, 255, 0.09); font-size: 7px; }
.member-progress li b { color: rgba(255, 255, 255, 0.54); }
.member-progress li.waiting b { color: var(--accent); }

.search-terms {
  margin-top: auto;
  padding-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.search-terms small { width: 100%; }
.search-terms span { padding: 5px 6px; color: rgba(255, 255, 255, 0.58); background: rgba(255, 255, 255, 0.045); font-size: 6px; }

.skills-demo-grid { grid-template-columns: 0.75fr 0.88fr 1.2fr; }
.skills-inputs { flex-direction: row; flex-wrap: wrap; align-content: flex-start; gap: 8px; }
.skills-inputs small { width: 100%; }
.skills-inputs span { padding: 8px 10px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); font-size: 8px; }
.skills-pipeline { margin: 0; list-style: none; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.skills-pipeline li { min-height: 42px; padding: 0 10px; display: grid; grid-template-columns: 24px 1fr auto; align-items: center; gap: 8px; background: rgba(255, 255, 255, 0.04); font-size: 8px; }
.skills-pipeline li b { color: var(--accent); }
.skills-pipeline li i { color: rgba(255, 255, 255, 0.36); font-size: 6px; font-style: normal; }
.skills-pipeline li:last-child i { color: var(--accent); }
.content-outputs { gap: 8px; }
.content-outputs article { padding: 10px; display: flex; justify-content: space-between; gap: 10px; background: rgba(255, 255, 255, 0.045); font-size: 8px; }
.content-outputs article b { color: #fff; }
.content-outputs article span { color: rgba(255, 255, 255, 0.4); }

.avatar-demo-grid { grid-template-columns: 0.8fr 0.9fr 1fr; }
.render-code code { padding: 7px 8px; background: rgba(255, 255, 255, 0.035); font-size: 8px; }
.render-code code::before { margin-right: 7px; color: var(--accent); content: ">"; }
.pixel-avatar { display: grid; place-items: center; align-content: center; gap: 12px; }
.pixel-avatar > span { color: var(--accent); font-size: 7px; }
.pixel-face { width: 112px; height: 112px; display: grid; grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(8, 1fr); gap: 2px; }
.pixel-face i.active { background: rgba(255, 255, 255, 0.82); }
.pixel-face i.signal { background: var(--accent); }

.digital-human-video {
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.digital-human-video video {
  width: auto;
  max-width: 100%;
  height: 205px;
  display: block;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  background: #050607;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.digital-human-video > span { color: rgba(255, 255, 255, 0.42); font-size: 6px; }
.render-output { gap: 10px; }
.wave-bars { height: 54px; display: flex; align-items: center; gap: 4px; }
.wave-bars i { width: 5px; height: 28%; background: var(--accent); animation: wave-bar 900ms ease-in-out infinite alternate; }
.wave-bars i:nth-child(2n) { height: 74%; animation-delay: 160ms; }
.wave-bars i:nth-child(3n) { height: 46%; animation-delay: 320ms; }
.render-output strong { color: #fff; font-size: 14px; }
.render-output > span { color: rgba(255, 255, 255, 0.42); font-size: 8px; }
.render-output > b { margin-top: auto; color: var(--accent); font-size: 8px; }

@keyframes status-blink { 50% { opacity: 0.32; } }
@keyframes source-pulse { 50% { color: #fff; background: rgba(255, 90, 54, 0.08); border-left-color: var(--accent); } }
@keyframes pixel-pulse { 50% { opacity: 0.18; } }
@keyframes scan-beam { from { transform: translateY(0); } to { transform: translateY(205px); } }
@keyframes demo-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes data-feed { 50% { border-left-color: var(--accent); background: rgba(255, 90, 54, 0.06); } }
@keyframes progress-run { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes wave-bar { to { transform: scaleY(1.9); } }

.product-flow {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--dark-line);
  border-bottom: 1px solid var(--dark-line);
}

.product-flow div {
  min-height: 118px;
  padding: 20px;
  border-left: 1px solid var(--dark-line);
}

.product-flow div:last-child { border-right: 1px solid var(--dark-line); }

.product-flow span {
  display: block;
  color: var(--accent);
  font-size: 8px;
  font-weight: 760;
}

.product-flow strong {
  margin-top: 20px;
  display: block;
  font-size: 12px;
  line-height: 1.65;
  font-weight: 560;
}

.product-boundary {
  margin: auto 0 0;
  padding-top: 26px;
  color: rgba(255, 255, 255, 0.38);
  font-size: 11px;
  line-height: 1.7;
}

.mode-grid {
  margin-top: 92px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.mode-item {
  min-height: 520px;
  padding: 28px 30px 34px;
  border-left: 1px solid var(--line);
}

.mode-item:last-child { border-right: 1px solid var(--line); }

.mode-item.featured {
  color: #fff;
  background: var(--ink);
}

.mode-item.featured > span,
.mode-item.featured > p {
  color: rgba(255, 255, 255, 0.48);
}

.mode-no {
  margin-bottom: 90px;
  color: var(--accent);
  font-size: 92px;
  line-height: 1;
  font-weight: 580;
}

.mode-item h3 {
  margin: 12px 0 0;
  font-size: 27px;
}

.mode-item > p {
  min-height: 44px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.mode-item ul,
.fit-grid ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.mode-item li {
  padding: 13px 0;
  border-bottom: 1px solid currentColor;
  font-size: 12px;
  opacity: 0.72;
}

.fit-grid {
  margin-top: 78px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fit-grid article {
  padding: 32px;
  border-left: 1px solid var(--line);
}

.fit-grid article:last-child { border-right: 1px solid var(--line); }

.fit-grid h3 {
  margin: 14px 0 0;
  font-size: 26px;
}

.fit-grid li {
  position: relative;
  padding: 13px 0 13px 20px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.65;
}

.fit-grid li::before {
  position: absolute;
  top: 20px;
  left: 0;
  width: 6px;
  height: 6px;
  content: "";
  background: var(--accent);
}

.twin {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
  isolation: isolate;
}

.twin-grid {
  inset: 0;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.twin-heading {
  display: grid;
  grid-template-columns: 1fr 2.3fr 1fr;
  gap: 54px;
  align-items: end;
}

.twin-heading h2 {
  margin: 0;
  color: var(--accent);
  font-size: 96px;
  line-height: 0.84;
  font-weight: 760;
}

.twin-heading > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 15px;
  line-height: 1.75;
}

.twin-body {
  margin-top: 98px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 110px;
  align-items: center;
}

.twin-orbit {
  position: relative;
  width: 430px;
  height: 430px;
  margin: 0 auto;
  display: grid;
  place-items: center;
}

.orbit-line {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
}

.orbit-one { inset: 28px; }
.orbit-two { inset: 76px; border-color: var(--accent); }

.twin-orbit > strong {
  width: 170px;
  height: 170px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--accent);
  border-radius: 50%;
  font-size: 22px;
  text-align: center;
}

.orbit-label {
  position: absolute;
  width: 104px;
  height: 40px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  background: var(--ink-2);
  border: 1px solid var(--dark-line);
  font-size: 11px;
}

.orbit-label b { font-size: 10px; font-weight: 700; }

.orbit-douyin { top: 24px; left: 44px; }
.orbit-video { top: 68px; right: 2px; }
.orbit-redbook { bottom: 42px; left: 4px; }
.orbit-wechat { right: 38px; bottom: 20px; }

.twin-stages {
  border-top: 1px solid var(--dark-line);
}

.twin-stages article {
  padding: 24px 0;
  display: grid;
  grid-template-columns: 86px 130px 1fr;
  gap: 18px;
  align-items: baseline;
  border-bottom: 1px solid var(--dark-line);
}

.twin-stages article b {
  color: var(--accent);
  font-size: 9px;
}

.twin-stages h3 {
  margin: 0;
  font-size: 20px;
}

.twin-stages p {
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  line-height: 1.7;
}

.twin-stages small {
  margin-top: 26px;
  display: block;
  color: rgba(255, 255, 255, 0.35);
  font-size: 10px;
  line-height: 1.7;
}

.team-heading {
  display: grid;
  grid-template-columns: 1fr 2.4fr 1.2fr;
  gap: 54px;
}

.team-capabilities {
  margin-top: 90px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.team-capabilities article {
  min-height: 280px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
}

.team-capabilities article:last-child { border-right: 1px solid var(--line); }
.team-capabilities article:nth-child(3) { color: #fff; background: var(--ink); }

.team-capabilities article > b {
  color: var(--accent);
  font-size: 44px;
  line-height: 1;
}

.team-capabilities small {
  margin-top: 24px;
  color: var(--muted);
  font-size: 8px;
  font-weight: 760;
}

.team-capabilities h3 {
  margin: auto 0 0;
  font-size: 22px;
  line-height: 1.25;
}

.team-capabilities p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.team-capabilities article:nth-child(3) small,
.team-capabilities article:nth-child(3) p { color: rgba(255, 255, 255, 0.55); }

.team-directory {
  margin-top: 72px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.team-directory > header {
  min-height: 140px;
  padding: 26px 28px;
  display: grid;
  grid-template-columns: 0.7fr 1.4fr 1fr;
  align-items: end;
  gap: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.team-directory > header span,
.team-directory > header p,
.member-grid small {
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
}

.team-directory > header h3 { margin: 0; font-size: 28px; }
.team-directory > header p { margin: 0; line-height: 1.7; }

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

.member-grid article {
  min-width: 0;
  padding: 16px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.member-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: rgba(17, 19, 21, 0.36);
  background:
    linear-gradient(135deg, transparent 49.7%, var(--line) 50%, transparent 50.3%),
    linear-gradient(45deg, transparent 49.7%, var(--line) 50%, transparent 50.3%),
    #e9eae8;
}

.member-photo span { font-size: 8px; font-weight: 760; }
.member-grid small { margin-top: 14px; }
.member-grid strong { margin-top: 6px; font-size: 14px; }

.contact {
  position: relative;
  min-height: 780px;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
  isolation: isolate;
}

.contact-image {
  position: absolute;
  inset: 0 0 0 52%;
  z-index: -2;
}

.contact-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 68% center;
  filter: grayscale(1) contrast(1.08);
  opacity: 0.34;
}

.contact-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(17, 19, 21, 0.66);
}

.contact .section-label.dark {
  color: rgba(255, 255, 255, 0.52);
}

.contact .section-label.dark b {
  color: #fff;
}

.contact-shell {
  min-height: 780px;
  padding: 126px 0 86px;
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 100px;
  align-items: start;
}

.contact-copy h2 {
  margin: 46px 0 0;
  font-size: 72px;
  line-height: 1.05;
}

.contact-copy > p {
  max-width: 580px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
  line-height: 1.8;
}

.contact-button {
  min-width: 220px;
  min-height: 54px;
  margin-top: 36px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  color: var(--ink);
  background: var(--accent);
  border: 0;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease;
}

.contact-button:hover,
.contact-button:focus-visible {
  transform: translateY(-3px);
  outline: none;
}

.contact-questions {
  margin-top: 2px;
  padding: 28px;
  background: rgba(26, 29, 32, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
}

.contact-questions ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--dark-line);
}

.contact-questions li {
  min-height: 68px;
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--dark-line);
  font-size: 12px;
}

.contact-questions li b {
  color: var(--accent);
  font-size: 10px;
}

.contact-scan {
  margin-top: 28px;
  padding-top: 28px;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--dark-line);
}

.qr-placeholder {
  width: 132px;
  aspect-ratio: 1;
  padding: 12px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background:
    linear-gradient(90deg, var(--ink) 8px, transparent 8px) 0 0 / 24px 24px,
    linear-gradient(var(--ink) 8px, transparent 8px) 0 0 / 24px 24px,
    #fff;
  border: 8px solid #fff;
}

.qr-placeholder span {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.78);
  background: var(--ink);
  font-size: 9px;
  font-weight: 760;
  line-height: 1.55;
  text-align: center;
}

.contact-scan small {
  color: var(--accent);
  font-size: 8px;
  font-weight: 760;
}

.contact-scan strong {
  margin-top: 8px;
  display: block;
  font-size: 22px;
}

.contact-scan p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 11px;
  line-height: 1.7;
}

.footer {
  min-height: 100px;
  padding: 28px 34px;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr auto;
  align-items: center;
  gap: 30px;
  color: rgba(255, 255, 255, 0.46);
  background: var(--ink);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 10px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 12px;
}

.footer-brand .brand-mark {
  width: 24px;
  height: 24px;
}

.toast {
  position: fixed;
  right: calc(24px + var(--safe-right));
  bottom: calc(24px + var(--safe-bottom));
  z-index: 200;
  padding: 14px 18px;
  color: #fff;
  background: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

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

.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes hero-enter {
  from { opacity: 0; transform: scale(1.035); }
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 1180px) {
  .brand { min-width: 250px; }
  .nav a { padding-inline: 12px; }
  .hero h1 { font-size: 66px; }
  .hero-bottom { padding-left: 28%; }
  .section-heading,
  .product-heading,
  .team-heading,
  .twin-heading { grid-template-columns: 0.8fr 2fr 1fr; }
  .mode-no { font-size: 76px; }
  .outcome-word { font-size: 43px; }
  .evidence-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .twin-body { gap: 60px; }
  .team-capabilities article > b { font-size: 38px; }
}

@media (max-width: 900px) {
  :root { --header: 64px; }

  .topbar { padding: var(--safe-top) calc(20px + var(--safe-right)) 0 calc(20px + var(--safe-left)); }
  .brand { min-width: auto; }
  .brand-descriptor { display: none; }
  .menu-toggle { display: block; }

  .nav {
    position: fixed;
    inset: var(--header-total) 0 auto;
    height: auto;
    max-height: calc(100dvh - var(--header-total));
    padding: 0 calc(20px + var(--safe-right)) calc(24px + var(--safe-bottom)) calc(20px + var(--safe-left));
    display: grid;
    overflow-y: auto;
    color: #fff;
    background: rgba(17, 19, 21, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    transform: translateY(-130%);
    transition: transform 220ms ease;
  }

  .menu-open .nav { transform: translateY(0); }
  .nav a { min-height: 54px; padding: 0 6px; border-left: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
  .nav .nav-contact { min-width: 0; margin-top: 12px; padding: 0 16px; border-bottom: 0; }

  .hero { height: auto; min-height: 100vh; min-height: 100svh; min-height: 100dvh; }
  .hero-inner,
  .section-shell { width: min(var(--page), calc(100% - 48px)); }
  .hero-inner { min-height: 100vh; min-height: 100svh; min-height: 100dvh; padding: calc(110px + var(--safe-top)) 0 calc(54px + var(--safe-bottom)); }
  .hero h1 { font-size: 58px; }
  .hero h1 span:nth-child(2) { padding-left: 50px; }
  .hero h1 .accent-line { padding-left: 100px; }
  .hero-bottom { padding-left: 0; grid-template-columns: 1fr; gap: 28px; }
  .hero-rail { display: none; }

  .section { padding: 96px 0; }
  .section-heading,
  .product-heading,
  .team-heading,
  .twin-heading { grid-template-columns: 1fr; gap: 30px; }
  .section-heading h2,
  .team-heading h2,
  .scenario-intro h2 { font-size: 48px; }
  .section-heading > p,
  .team-heading > p,
  .product-heading > p { max-width: 620px; }

  .value-matrix { grid-template-columns: 1fr; margin-top: 62px; }
  .value-item { min-height: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .value-item:last-child { border-bottom: 0; }
  .value-media { aspect-ratio: 16 / 9; }
  .value-copy { min-height: 210px; }

  .scenario-shell { grid-template-columns: 1fr; gap: 56px; }
  .scenario-intro { position: static; }
  .scenario-media { inset: 0; }
  .scenario-media img { opacity: 0.12; }

  .outcomes-top { grid-template-columns: 1fr; gap: 32px; }
  .outcome-word { flex-wrap: wrap; justify-content: flex-start; font-size: 38px; }
  .outcome-detail { grid-template-columns: 1fr; gap: 40px; }

  .product-heading h2 { font-size: 58px; }
  .product-workbench { grid-template-columns: 1fr; margin-top: 62px; }
  .product-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-right: 0; border-bottom: 1px solid var(--dark-line); }
  .product-tab { min-height: 78px; grid-template-columns: 34px 1fr 18px; border-right: 1px solid var(--dark-line); }
  .product-tab span { font-size: 15px; }
  .product-flow { grid-template-columns: 1fr; }
  .product-flow div { min-height: 88px; border-right: 1px solid var(--dark-line); border-bottom: 1px solid var(--dark-line); }
  .product-flow div:last-child { border-bottom: 0; }

  .mode-grid { grid-template-columns: 1fr; margin-top: 62px; }
  .mode-item { min-height: 420px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .mode-item:last-child { border-bottom: 0; }
  .mode-no { margin-bottom: 54px; }
  .fit-grid { grid-template-columns: 1fr; }
  .fit-grid article { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .fit-grid article:last-child { border-bottom: 0; }

  .twin-heading h2 { font-size: 82px; }
  .twin-body { grid-template-columns: 1fr; gap: 70px; }
  .twin-stages article { grid-template-columns: 80px 120px 1fr; }

  .team-capabilities { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .team-capabilities article { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .team-directory > header { grid-template-columns: 1fr 1fr; }
  .team-directory > header p { grid-column: 1 / -1; }
  .member-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .contact-shell { grid-template-columns: 1fr; gap: 52px; }
  .contact-image { inset: 0; }
  .contact-image img { opacity: 0.16; }
  .contact-copy h2 { font-size: 60px; }
  .footer { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .hero-inner,
  .section-shell { width: min(var(--page), calc(100% - 32px)); }
  .topbar { padding: var(--safe-top) calc(16px + var(--safe-right)) 0 calc(16px + var(--safe-left)); }
  .hero { min-height: 100vh; min-height: 100svh; min-height: 100dvh; }
  .hero-inner { min-height: 100vh; min-height: 100svh; min-height: 100dvh; padding: calc(96px + var(--safe-top)) 0 calc(34px + var(--safe-bottom)); }
  .hero-image { object-position: 66% center; }
  .hero-mask { background: rgba(17, 19, 21, 0.62); }
  .hero-mask::before { display: none; }
  .hero h1 { margin-top: 34px; font-size: 42px; line-height: 1.08; }
  .hero h1 span:nth-child(2),
  .hero h1 .accent-line { padding-left: 0; }
  .hero-bottom > p { font-size: 13px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .action { width: 100%; }
  .hero-index { display: none; }

  .statement-track { min-height: 64px; padding: 0 18px; justify-content: flex-start; overflow-x: auto; font-size: 12px; }
  .statement-track::-webkit-scrollbar { display: none; }

  .section { padding: 78px 0; }
  .section-heading h2,
  .team-heading h2,
  .scenario-intro h2 { font-size: 38px; }
  .section-heading > p,
  .team-heading > p { font-size: 13px; }
  .value-item { padding: 0; }
  .value-media figcaption { inset: auto 16px 14px; }
  .value-copy { min-height: 0; padding: 24px 20px 26px; }
  .value-copy h3 { font-size: 24px; }
  .value-copy p { margin-top: 12px; }
  .value-copy strong { margin-top: 24px; }

  .path-list li { grid-template-columns: 64px 1fr; }
  .path-list li > b { font-size: 30px; }

  .outcomes-top > p { font-size: 38px; }
  .outcome-word { font-size: 31px; }
  .outcome-detail ul { grid-template-columns: 1fr; }

  .product-heading h2 { font-size: 46px; }
  .product-tabs {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }
  .product-tabs::-webkit-scrollbar { display: none; }
  .product-tab { min-width: 178px; min-height: 72px; padding: 0 12px; flex: 0 0 178px; grid-template-columns: 24px minmax(0, 1fr) 12px; gap: 8px; border-right: 1px solid var(--dark-line); scroll-snap-align: start; }
  .product-tab span { font-size: 14px; }
  .product-panel { padding: 24px 20px 28px; }
  .panel-top { gap: 10px; font-size: 7px; }
  .panel-title-row h3 { font-size: 32px; }
  .panel-title-row > span { display: none; }
  .product-summary { margin-top: 22px; font-size: 13px; }
  .product-demo { min-height: 0; }
  .demo-scene { min-height: 0; }
  .acquisition-demo,
  .twin-demo-grid,
  .comment-demo-grid,
  .skills-demo-grid,
  .avatar-demo-grid { grid-template-columns: 1fr; }
  .demo-source-stack,
  .knowledge-stack,
  .channel-stack,
  .conversation-inputs,
  .reply-stack,
  .video-context-card,
  .comment-suggestions,
  .member-progress,
  .skills-inputs,
  .skills-pipeline,
  .content-outputs,
  .render-code,
  .pixel-avatar,
  .digital-human-video,
  .render-output,
  .demo-scan-core,
  .memory-core-demo,
  .reasoning-core-demo { min-height: 160px; border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .demo-lead-thread { min-height: 250px; }
  .video-context-card { min-height: 180px; }
  .comment-suggestions,
  .member-progress,
  .skills-inputs,
  .skills-pipeline,
  .content-outputs,
  .render-code,
  .render-output { min-height: 180px; }
  .pixel-avatar,
  .digital-human-video { min-height: 320px; }
  .digital-human-video video { height: 280px; }
  .demo-log { min-height: 48px; flex-wrap: wrap; padding-block: 9px; }
  .demo-log span { order: 3; flex-basis: 100%; }
  .scan-beam { animation-name: scan-beam-mobile; }

  .mode-item { padding: 24px 20px 28px; }
  .fit-grid article { padding: 26px 20px; }

  .twin-heading h2 { font-size: 64px; }
  .twin-orbit { width: min(300px, 100%); height: auto; aspect-ratio: 1; }
  .orbit-one { inset: 20px; }
  .orbit-two { inset: 58px; }
  .twin-orbit > strong { width: 122px; height: 122px; font-size: 17px; }
  .orbit-label { width: 88px; height: 34px; padding: 0 7px; gap: 6px; }
  .orbit-label b { font-size: 9px; }
  .brand-icon { width: 17px; height: 17px; }
  .orbit-douyin { top: 14px; left: 28px; }
  .orbit-video { top: 48px; right: 0; }
  .orbit-redbook { bottom: 28px; left: 0; }
  .orbit-wechat { right: 22px; bottom: 12px; }
  .twin-stages article { grid-template-columns: 72px 1fr; }
  .twin-stages article p { grid-column: 2; }

  .team-capabilities { grid-template-columns: 1fr; }
  .team-capabilities article { min-height: 230px; }
  .team-directory > header { min-height: 0; padding: 24px 20px; grid-template-columns: 1fr; gap: 12px; }
  .team-directory > header p { grid-column: auto; }
  .member-grid article { padding: 10px; }
  .member-grid strong { font-size: 12px; }

  .contact { min-height: 0; }
  .contact-shell { min-height: 0; padding: 82px 0 calc(62px + var(--safe-bottom)); }
  .contact-copy h2 { margin-top: 34px; font-size: 46px; }
  .contact-copy > p { font-size: 13px; }
  .contact-questions { padding: 22px 18px; }
  .contact-scan { grid-template-columns: 104px 1fr; gap: 18px; }
  .qr-placeholder { width: 104px; border-width: 6px; }
  .qr-placeholder span { width: 56px; height: 56px; font-size: 8px; }
  .contact-scan strong { font-size: 18px; }
  .footer { padding: 28px calc(18px + var(--safe-right)) calc(28px + var(--safe-bottom)) calc(18px + var(--safe-left)); grid-template-columns: 1fr; gap: 18px; }
}

@keyframes scan-beam-mobile { from { transform: translateY(0); } to { transform: translateY(125px); } }

@media (max-width: 560px) and (max-height: 740px) {
  .hero-inner { padding-top: calc(86px + var(--safe-top)); padding-bottom: calc(24px + var(--safe-bottom)); }
  .hero h1 { margin: 22px 0 22px; font-size: 38px; }
  .hero-bottom { gap: 18px; }
  .hero-bottom > p { line-height: 1.65; }
  .hero-actions { gap: 8px; }
  .action { min-height: 46px; }
}

@media (max-width: 560px) {
  .loader-cell { padding: 20px; }
  .loader-cell:nth-child(-n + 2) { padding-top: calc(20px + var(--safe-top)); }
  .loader-cell:nth-child(n + 3) { padding-bottom: calc(20px + var(--safe-bottom)); }
  .loader-brand { gap: 0; }
  .loader-brand .brand-mark { display: none; }
  .loader-brand strong { position: relative; padding-left: 18px; font-size: clamp(24px, 7vw, 30px); }
  .loader-brand strong::before { position: absolute; inset: 0 auto 0 0; width: 2px; content: ""; background: var(--accent); }
  .loader-meter-cell strong { font-size: clamp(58px, 19vw, 78px); }
  .loader-system-cell p { font-size: clamp(22px, 6.5vw, 28px); }
  .loader-status-cell > div:first-child { gap: 10px; font-size: 10px; }
  .loader-signal { width: 8px; height: 8px; }
  .loader-bar { margin-bottom: 14px; }
}

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