:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5b6472;
  --soft: #edf2f7;
  --paper: #f8fafc;
  --panel: #ffffff;
  --line: #d8e0ea;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --cyan: #38bdf8;
  --teal: #0f766e;
  --graphite: #1f2937;
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: 100%;
  margin: 0;
  padding: 16px max(24px, calc((100vw - 1360px) / 2 + 24px));
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0 0 14px 14px;
  color: #fff;
  background: rgba(8, 15, 30, 0.34);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(22px) saturate(138%);
  transition: background 180ms ease, box-shadow 180ms ease, border-color 180ms ease, color 180ms ease, margin 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(148, 163, 184, 0.46);
  box-shadow: 0 12px 34px rgba(15, 23, 42, 0.12);
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: max-content;
  overflow: hidden;
  border-radius: 0;
  background: transparent;
}

.brand-logo {
  display: block;
  width: 220px;
  height: auto;
}

.brand-logo-on-light {
  display: none;
}

.site-header.is-scrolled .brand-logo-on-dark,
.site-header.menu-open .brand-logo-on-dark {
  display: none;
}

.site-header.is-scrolled .brand-logo-on-light,
.site-header.menu-open .brand-logo-on-light {
  display: block;
}

.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 16px;
  font-weight: 800;
}

.site-header.is-scrolled .main-nav {
  color: #374151;
}

.main-nav a {
  padding: 12px 10px;
  border-radius: 999px;
  opacity: 0.92;
  line-height: 1;
}

.main-nav a:hover {
  color: #fff;
  opacity: 1;
  background: rgba(255, 255, 255, 0.14);
}

.site-header.is-scrolled .main-nav a:hover {
  color: var(--blue);
  background: rgba(37, 99, 235, 0.08);
}

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

.language-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.language-switch button {
  min-width: 36px;
  height: 30px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  color: rgba(226, 232, 240, 0.86);
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 900;
}

.language-switch button.is-active {
  color: #fff;
  background: var(--blue);
}

.site-header.is-scrolled .language-switch {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.site-header.is-scrolled .language-switch button {
  color: var(--muted);
}

.site-header.is-scrolled .language-switch button.is-active {
  color: #fff;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 7px;
  font-weight: 800;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  justify-self: end;
  width: 42px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: #fff;
}

.site-header.is-scrolled .menu-toggle,
.site-header.menu-open .menu-toggle {
  border-color: rgba(148, 163, 184, 0.5);
  background: #fff;
}

.site-header.is-scrolled .menu-toggle span,
.site-header.menu-open .menu-toggle span {
  background: var(--ink);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 92vh;
  padding: 134px 0 78px;
  background:
    linear-gradient(90deg, rgba(248, 250, 252, 0.98) 0%, rgba(248, 250, 252, 0.9) 47%, rgba(248, 250, 252, 0.6) 100%),
    radial-gradient(circle at 74% 28%, rgba(56, 189, 248, 0.24), transparent 34%),
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 44%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.15) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 78%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
  align-items: center;
  gap: 40px;
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(56px, 7.2vw, 104px);
  line-height: 0.88;
  letter-spacing: 0;
}

.hero-title {
  max-width: 620px;
  margin: 22px 0 0;
  color: var(--graphite);
  font-size: clamp(28px, 4vw, 54px);
  font-weight: 850;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.primary-button {
  padding: 0 22px;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.24);
}

.primary-button:hover {
  background: var(--blue-dark);
}

.secondary-button {
  padding: 0 20px;
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 650px;
  margin: 34px 0 0;
}

.hero-metrics div {
  min-width: 0;
  padding: 15px;
  border: 1px solid rgba(148, 163, 184, 0.34);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
}

.hero-metrics dt {
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.hero-metrics dd {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 48%, rgba(37, 99, 235, 0.24), transparent 24%),
    radial-gradient(circle at 72% 24%, rgba(56, 189, 248, 0.25), transparent 30%),
    radial-gradient(circle at 28% 72%, rgba(20, 184, 166, 0.18), transparent 32%);
  box-shadow: none;
  isolation: isolate;
}

.hero-visual::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  content: "";
  background-image: radial-gradient(circle, rgba(37, 99, 235, 0.13) 1.3px, transparent 1.8px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at 58% 48%, #000 0%, rgba(0, 0, 0, 0.68) 44%, transparent 76%);
  animation: gridDrift 9s linear infinite;
}

.hero-visual::after {
  position: absolute;
  inset: auto -18% -32% 18%;
  z-index: 0;
  height: 54%;
  content: "";
  background: radial-gradient(circle, rgba(56, 189, 248, 0.28), transparent 62%);
  filter: blur(18px);
  animation: conceptGlow 6s ease-in-out infinite alternate;
}

.concept-stage {
  position: absolute;
  inset: 5% 3%;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.16) 58%, transparent 76%),
    radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.06), transparent 38%);
  box-shadow:
    inset 0 0 90px rgba(37, 99, 235, 0.08),
    inset 0 0 120px rgba(20, 184, 166, 0.08);
}

.concept-stage::before {
  position: absolute;
  inset: 10%;
  z-index: 0;
  content: "";
  border: 2px dashed rgba(37, 99, 235, 0.3);
  border-radius: 999px;
  animation: orbitSpin 12s linear infinite;
}

.concept-stage::after {
  position: absolute;
  inset: -40% -70%;
  z-index: 0;
  content: "";
  background: linear-gradient(105deg, transparent 41%, rgba(56, 189, 248, 0.28) 49%, rgba(37, 99, 235, 0.24) 52%, transparent 60%);
  transform: translateX(-34%) rotate(8deg);
  animation: stageSweep 3.2s ease-in-out infinite;
  pointer-events: none;
}

.concept-orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
  pointer-events: none;
}

.orbit-one {
  inset: 11% 18%;
  border-style: dashed;
  border-color: rgba(37, 99, 235, 0.32);
  animation: orbitSpin 9s linear infinite;
}

.orbit-two {
  inset: 22% 9%;
  border-style: dashed;
  border-color: rgba(20, 184, 166, 0.28);
  animation: orbitSpinReverse 11s linear infinite;
}

.orbit-three {
  inset: 35% 24%;
  border-width: 2px;
  border-color: rgba(56, 189, 248, 0.34);
  animation: pulseRing 2.6s ease-in-out infinite;
}

.energy-wave {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 0;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(34, 211, 238, 0.45);
  border-radius: 999px;
  transform: translate(-50%, -50%) scale(0.62);
  opacity: 0;
  box-shadow: inset 0 0 24px rgba(37, 99, 235, 0.16), 0 0 32px rgba(34, 211, 238, 0.22);
  animation: energyWave 2.8s ease-out infinite;
}

.wave-two {
  animation-delay: 0.85s;
}

.wave-three {
  animation-delay: 1.7s;
}

.concept-chip {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 250px;
  height: 250px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(125, 211, 252, 0.34);
  border-radius: 999px;
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, 0.5), transparent 20%),
    radial-gradient(circle at 50% 54%, #1d4ed8 0%, #1646bb 38%, #0f766e 72%, rgba(15, 23, 42, 0.92) 100%);
  box-shadow:
    0 34px 90px rgba(37, 99, 235, 0.36),
    0 0 42px rgba(34, 211, 238, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.26);
  animation: chipFloat 3.6s ease-in-out infinite;
}

.concept-chip::before,
.concept-chip::after {
  position: absolute;
  content: "";
  border-radius: 999px;
}

.concept-chip::before {
  inset: 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: conic-gradient(from 0deg, transparent 0 32deg, rgba(125, 211, 252, 0.35) 34deg 48deg, transparent 50deg 120deg, rgba(34, 211, 238, 0.22) 124deg 138deg, transparent 140deg 360deg);
  animation: orbitSpin 5s linear infinite;
}

.concept-chip::after {
  inset: 44px;
  background:
    conic-gradient(from 180deg, transparent 0 42deg, rgba(125, 211, 252, 0.56) 46deg 64deg, transparent 68deg 360deg),
    radial-gradient(circle, rgba(15, 23, 42, 0.22), rgba(15, 23, 42, 0.48));
  background-size: auto;
  animation: coreScan 1.9s linear infinite;
}

.chip-core {
  position: absolute;
  inset: 66px;
  z-index: 1;
  display: grid;
  place-content: center;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  color: #fff;
  background: rgba(15, 23, 42, 0.38);
  backdrop-filter: blur(14px);
  animation: corePulse 2.4s ease-in-out infinite;
}

.chip-core small {
  color: #bae6fd;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.chip-core strong {
  margin-top: 6px;
  font-size: 30px;
  line-height: 1;
}

.chip-pin {
  display: none;
}

.pin-top,
.pin-bottom {
  left: 32px;
  width: 160px;
  height: 10px;
}

.pin-top {
  top: -10px;
}

.pin-bottom {
  bottom: -10px;
}

.pin-left,
.pin-right {
  top: 32px;
  width: 10px;
  height: 160px;
  background: repeating-linear-gradient(180deg, #bfdbfe 0 8px, transparent 8px 18px);
}

.pin-left {
  left: -10px;
}

.pin-right {
  right: -10px;
}

.concept-trace {
  position: absolute;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent 0%, rgba(37, 99, 235, 0.2) 18%, rgba(34, 211, 238, 0.94) 50%, rgba(37, 99, 235, 0.2) 82%, transparent 100%);
  background-size: 220% 100%;
  box-shadow: 0 0 26px rgba(56, 189, 248, 0.38);
  animation: traceFlow 1.8s linear infinite;
}

.trace-a {
  top: 50%;
  left: 8%;
  width: 34%;
  height: 5px;
}

.trace-b {
  top: 50%;
  right: 8%;
  width: 34%;
  height: 5px;
  animation-direction: reverse;
}

.trace-c {
  top: 10%;
  left: 50%;
  width: 5px;
  height: 32%;
  background: linear-gradient(180deg, transparent 0%, rgba(37, 99, 235, 0.2) 18%, rgba(34, 211, 238, 0.94) 50%, rgba(37, 99, 235, 0.2) 82%, transparent 100%);
  background-size: 100% 220%;
  animation-name: traceFlowVertical;
}

.trace-d {
  bottom: 10%;
  left: 50%;
  width: 5px;
  height: 32%;
  background: linear-gradient(180deg, transparent 0%, rgba(37, 99, 235, 0.2) 18%, rgba(34, 211, 238, 0.94) 50%, rgba(37, 99, 235, 0.2) 82%, transparent 100%);
  background-size: 100% 220%;
  animation-name: traceFlowVertical;
  animation-direction: reverse;
}

.signal-pulse {
  position: absolute;
  z-index: 1;
  width: 15px;
  height: 15px;
  border-radius: 999px;
  background: #22d3ee;
  box-shadow: 0 0 0 10px rgba(34, 211, 238, 0.18), 0 0 34px rgba(37, 99, 235, 0.62);
}

.pulse-a {
  top: calc(50% - 7px);
  left: 9%;
  animation: pulseA 2.2s linear infinite;
}

.pulse-b {
  top: calc(50% - 7px);
  right: 9%;
  animation: pulseB 2.4s linear infinite;
}

.pulse-c {
  top: 11%;
  left: calc(50% - 7px);
  animation: pulseC 2.7s linear infinite;
}

.pulse-d {
  bottom: 11%;
  left: calc(50% - 7px);
  animation: pulseD 2.5s linear infinite;
}

.data-stream {
  position: absolute;
  z-index: 1;
  width: 74px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.88), #22d3ee, transparent);
  box-shadow: 0 0 22px rgba(34, 211, 238, 0.42);
  opacity: 0;
}

.stream-a {
  top: 31%;
  left: 8%;
  animation: streamRight 2.4s ease-in-out infinite;
}

.stream-b {
  right: 9%;
  bottom: 30%;
  animation: streamLeft 2.2s ease-in-out infinite 0.45s;
}

.stream-c {
  top: 10%;
  left: 36%;
  transform: rotate(90deg);
  animation: streamDown 2.8s ease-in-out infinite 0.2s;
}

.stream-d {
  right: 34%;
  bottom: 8%;
  transform: rotate(90deg);
  animation: streamUp 2.5s ease-in-out infinite 0.7s;
}

.concept-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid rgba(148, 163, 184, 0.34);
  border-radius: 999px;
  color: var(--graphite);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(12px);
  animation: nodeFloat 4.8s ease-in-out infinite;
}

.concept-node i {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(20, 184, 166, 0.7);
  animation: nodeBeacon 1.45s ease-in-out infinite;
}

.concept-node em {
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.node-a {
  top: 16%;
  left: 16%;
}

.node-b {
  top: 18%;
  right: 14%;
  animation-delay: -1.4s;
}

.node-c {
  left: 14%;
  bottom: 18%;
  animation-delay: -2s;
}

.node-d {
  right: 17%;
  bottom: 16%;
  animation-delay: -0.8s;
}

.floating-spec {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 11px 16px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.13);
  backdrop-filter: blur(12px);
  animation: labelFloat 5s ease-in-out infinite;
}

.floating-spec span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.floating-spec span::after {
  content: ":";
}

.floating-spec strong {
  color: var(--ink);
  font-size: 15px;
}

.spec-one {
  top: 12%;
  left: 22px;
}

.spec-two {
  right: 22px;
  bottom: 22%;
  animation-delay: -1.8s;
}

.spec-three {
  left: 12%;
  bottom: 10%;
  animation-delay: -3s;
}

@keyframes orbitSpin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes gridDrift {
  to {
    background-position: 28px 28px;
  }
}

@keyframes stageSweep {
  0% {
    opacity: 0;
    transform: translateX(-34%) rotate(8deg);
  }

  28%,
  62% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateX(34%) rotate(8deg);
  }
}

@keyframes orbitSpinReverse {
  to {
    transform: rotate(-360deg);
  }
}

@keyframes pulseRing {
  0%,
  100% {
    opacity: 0.38;
    transform: scale(0.96);
  }

  50% {
    opacity: 0.88;
    transform: scale(1.08);
  }
}

@keyframes energyWave {
  0% {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(0.42);
  }

  72% {
    opacity: 0.32;
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.92);
  }
}

@keyframes conceptGlow {
  from {
    opacity: 0.42;
    transform: translate3d(-4%, 0, 0) scale(0.94);
  }

  to {
    opacity: 0.76;
    transform: translate3d(4%, -4%, 0) scale(1.06);
  }
}

@keyframes chipFloat {
  0%,
  100% {
    transform: translate(-50%, -50%) translateY(0) rotate(-1.2deg) scale(1);
  }

  50% {
    transform: translate(-50%, -50%) translateY(-18px) rotate(1.2deg) scale(1.035);
  }
}

@keyframes corePulse {
  0%,
  100% {
    box-shadow: inset 0 0 0 rgba(125, 211, 252, 0), 0 0 0 rgba(34, 211, 238, 0);
  }

  50% {
    box-shadow: inset 0 0 28px rgba(125, 211, 252, 0.26), 0 0 28px rgba(34, 211, 238, 0.3);
  }
}

@keyframes coreScan {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes traceFlow {
  from {
    background-position: 220% 0;
  }

  to {
    background-position: -220% 0;
  }
}

@keyframes traceFlowVertical {
  from {
    background-position: 0 220%;
  }

  to {
    background-position: 0 -220%;
  }
}

@keyframes pulseA {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.7);
  }

  16%,
  72% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(232px, 0, 0) scale(1);
  }
}

@keyframes pulseB {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.7);
  }

  16%,
  72% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(-232px, 0, 0) scale(1);
  }
}

@keyframes pulseC {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.7);
  }

  16%,
  72% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(0, 190px, 0) scale(1);
  }
}

@keyframes pulseD {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(0.7);
  }

  16%,
  72% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(0, -190px, 0) scale(1);
  }
}

@keyframes streamRight {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
  }

  18%,
  70% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(300px, 0, 0);
  }
}

@keyframes streamLeft {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0);
  }

  18%,
  70% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(-300px, 0, 0);
  }
}

@keyframes streamDown {
  0% {
    opacity: 0;
    transform: rotate(90deg) translate3d(0, 0, 0);
  }

  18%,
  70% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: rotate(90deg) translate3d(230px, 0, 0);
  }
}

@keyframes streamUp {
  0% {
    opacity: 0;
    transform: rotate(90deg) translate3d(0, 0, 0);
  }

  18%,
  70% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: rotate(90deg) translate3d(-230px, 0, 0);
  }
}

@keyframes nodeBeacon {
  0%,
  100% {
    box-shadow: 0 0 16px rgba(20, 184, 166, 0.7);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(34, 211, 238, 0.16), 0 0 26px rgba(20, 184, 166, 0.95);
  }
}

@keyframes nodeFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes labelFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-visual *,
  .hero-visual::before,
  .concept-stage::before,
  .concept-stage::after,
  .hero-visual::after {
    animation: none !important;
  }
}

.logo-strip {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  width: min(100% - 48px, var(--max));
  margin: -32px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
  box-shadow: 0 18px 54px rgba(15, 23, 42, 0.08);
}

.logo-strip span {
  display: grid;
  min-height: 66px;
  place-items: center;
  color: #334155;
  background: #fff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.section {
  padding: 92px 0;
}

.section-inner {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading.compact {
  margin-bottom: 0;
}

.section-heading h2,
.experience-copy h2,
.architecture-grid h2,
.developer-grid h2,
.faq-grid h2,
.contact-grid h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.experience-copy p,
.architecture-grid > div > p,
.developer-grid > div > p,
.faq-grid > div > p,
.contact-grid > div > p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.platform-grid,
.board-grid,
.pillar-grid,
.application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.platform-grid article,
.pillar-grid article,
.board-card,
.resource-grid article,
.timeline article,
.application-grid article,
.faq-list article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 16px 46px rgba(15, 23, 42, 0.06);
}

.platform-grid article {
  padding: 28px;
}

.brand-system {
  background: #fff;
}

.brand-system-grid,
.architecture-grid,
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 52px;
  align-items: start;
}

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

.pillar-grid article {
  padding: 22px;
}

.pillar-grid span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 32px;
  border-radius: 7px;
  color: #fff;
  background: var(--blue);
  font-weight: 900;
}

.card-index {
  display: inline-flex;
  margin-bottom: 42px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.platform-grid h3,
.pillar-grid h3,
.feature-stack h3,
.board-card h3,
.resource-grid h3,
.application-grid h3,
.faq-list h3 {
  margin: 0;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.2;
}

.platform-grid p,
.pillar-grid p,
.feature-stack p,
.board-card dd,
.resource-grid p,
.timeline p,
.application-grid p,
.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
}

.experience {
  color: #e5edf6;
  background:
    radial-gradient(circle at 12% 24%, rgba(56, 189, 248, 0.22), transparent 36%),
    linear-gradient(135deg, #0f172a, #111827 52%, #0b1220);
}

.experience-grid,
.developer-grid,
.delivery-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 52px;
  align-items: start;
}

.experience .eyebrow {
  color: var(--cyan);
}

.experience-copy h2 {
  color: #fff;
}

.experience-copy p {
  color: #b8c4d3;
}

.feature-stack {
  display: grid;
  gap: 12px;
}

.feature-stack article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.feature-stack article span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 7px;
  color: #06121f;
  background: var(--cyan);
  font-weight: 900;
}

.feature-stack h3 {
  color: #fff;
}

.feature-stack p {
  color: #b8c4d3;
}

.architecture {
  background:
    radial-gradient(circle at 8% 18%, rgba(37, 99, 235, 0.12), transparent 30%),
    linear-gradient(180deg, #f8fafc, #eef4fb);
}

.system-panel {
  position: relative;
  min-height: 430px;
  padding: 26px;
  overflow: hidden;
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.98), rgba(30, 41, 59, 0.94)),
    radial-gradient(circle at 80% 18%, rgba(56, 189, 248, 0.22), transparent 34%);
  box-shadow: var(--shadow);
}

.system-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.28) 1px, transparent 1px);
  background-size: 34px 34px;
}

.system-chip {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: min(100%, 240px);
  min-height: 150px;
  margin: 22px auto 0;
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: 8px;
  color: #fff;
  background: #111827;
  box-shadow: inset 0 0 0 10px rgba(56, 189, 248, 0.05), 0 24px 70px rgba(0, 0, 0, 0.32);
}

.system-chip span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.system-chip strong {
  margin-top: -24px;
  font-size: 28px;
}

.system-lines {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: min(100%, 360px);
  margin: 26px auto;
}

.system-lines span {
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}

.system-modules {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.system-modules article {
  padding: 16px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.08);
}

.system-modules span {
  display: block;
  color: #9fb0c5;
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.system-modules strong {
  display: block;
  margin-top: 6px;
  color: #fff;
}

.architecture-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.architecture-points span {
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--graphite);
  font-weight: 800;
}

.boards {
  background: #fff;
}

.board-card {
  padding: 24px;
}

.board-card.highlight {
  border-color: rgba(37, 99, 235, 0.38);
  box-shadow: 0 28px 70px rgba(37, 99, 235, 0.14);
}

.board-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  min-height: 56px;
  margin-bottom: 28px;
}

.board-top p {
  margin: 0;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.board-top span {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.board-card dl {
  display: grid;
  gap: 1px;
  margin: 24px 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--line);
}

.board-card dl div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 14px;
  padding: 12px;
  background: #fff;
}

.board-card dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.board-card dd {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
}

.board-card a {
  color: var(--blue);
  font-weight: 900;
}

.specs {
  background: var(--paper);
}

.spec-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 16px 46px rgba(15, 23, 42, 0.06);
}

.spec-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

.spec-table th,
.spec-table td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  color: #334155;
  background: #f1f5f9;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-table td {
  color: var(--muted);
}

.spec-table td:first-child {
  color: var(--ink);
  font-weight: 900;
}

.spec-table tr:last-child td {
  border-bottom: 0;
}

.developer-center {
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.9), #eef4fb),
    radial-gradient(circle at 85% 8%, rgba(56, 189, 248, 0.18), transparent 32%);
}

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

.resource-grid article {
  padding: 22px;
}

.applications {
  background: #fff;
}

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

.application-grid article {
  padding: 22px;
}

.application-grid span {
  display: inline-flex;
  margin-bottom: 36px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.delivery {
  background: #fff;
}

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

.timeline article {
  padding: 22px;
}

.timeline span {
  color: var(--blue);
  font-weight: 900;
  text-transform: uppercase;
}

.faq {
  background: #fff;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list article {
  padding: 22px;
}

.contact {
  background: var(--paper);
}

.company-copy {
  align-self: center;
}

.company-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 30px;
}

.company-facts span {
  min-height: 104px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.06);
}

.company-facts strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
}

.company-facts em {
  display: block;
  font-style: normal;
}

.company-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}

.company-visual img {
  display: block;
  width: 100%;
  min-height: 420px;
  object-fit: cover;
}

.company-visual figcaption {
  position: absolute;
  left: 22px;
  bottom: 22px;
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  color: #fff;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(16px);
}

.company-visual figcaption span {
  color: #bae6fd;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.company-visual figcaption strong {
  font-size: 22px;
  line-height: 1;
}

.site-footer {
  padding: 34px 0;
  color: #dbeafe;
  background: #0f172a;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}

.footer-inner strong {
  color: #fff;
  letter-spacing: 0.08em;
}

.footer-inner p {
  margin: 6px 0 0;
  color: #9fb0c5;
}

.footer-inner a {
  color: #fff;
  font-weight: 900;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto 1fr auto;
  }

  .site-header.menu-open {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(148, 163, 184, 0.46);
    box-shadow: 0 12px 34px rgba(15, 23, 42, 0.12);
  }

  .site-header.menu-open .language-switch {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.8);
  }

  .site-header.menu-open .language-switch button {
    color: var(--muted);
  }

  .site-header.menu-open .language-switch button.is-active {
    color: #fff;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-header.menu-open .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    border-radius: 0 0 14px 14px;
    background: #fff;
    box-shadow: var(--shadow);
    color: #374151;
    font-size: 16px;
  }

  .site-header.menu-open .main-nav a {
    padding: 15px;
    border-radius: 6px;
  }

  .hero-grid,
  .experience-grid,
  .brand-system-grid,
  .architecture-grid,
  .developer-grid,
  .delivery-grid,
  .faq-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 520px;
  }

  .platform-grid,
  .board-grid,
  .pillar-grid,
  .application-grid,
  .timeline,
  .company-facts {
    grid-template-columns: 1fr;
  }

  .company-visual img {
    min-height: 360px;
  }
}

@media (max-width: 760px) {
  .site-header {
    width: 100%;
    margin-top: 0;
    padding-inline: 14px;
    gap: 12px;
  }

  .site-header.menu-open .main-nav {
    top: 82px;
  }

  .brand-logo {
    width: 172px;
  }

  .header-actions {
    gap: 8px;
  }

  .language-switch button {
    min-width: 32px;
    padding: 0 7px;
  }

  .hero {
    min-height: auto;
    padding: 112px 0 54px;
  }

  .hero-grid,
  .section-inner,
  .footer-inner,
  .logo-strip {
    width: min(100% - 28px, var(--max));
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-lead,
  .section-heading p:not(.eyebrow),
  .experience-copy p,
  .developer-grid > div > p,
  .contact-grid > div > p {
    font-size: 16px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-metrics,
  .logo-strip,
  .resource-grid,
  .system-modules,
  .architecture-points {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 440px;
  }

  .floating-spec {
    min-width: 0;
    padding: 10px 12px;
  }

  .concept-stage {
    inset: 6%;
  }

  .concept-chip {
    width: 178px;
    height: 178px;
  }

  .chip-core {
    inset: 48px;
  }

  .chip-core strong {
    font-size: 24px;
  }

  .concept-node {
    padding: 8px 10px;
  }

  .node-a,
  .node-c {
    left: 8%;
  }

  .node-b,
  .node-d {
    right: 8%;
  }

  .spec-one {
    top: 18px;
    left: 18px;
  }

  .spec-two {
    right: 18px;
    bottom: 90px;
  }

  .spec-three {
    left: 18px;
    bottom: 18px;
  }

  .section {
    padding: 64px 0;
  }

  .board-top {
    display: grid;
  }

  .board-top span {
    text-align: left;
  }
}

@media (max-width: 460px) {
  .brand-logo {
    width: 142px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-title {
    font-size: 30px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .concept-chip {
    width: 142px;
    height: 142px;
    border-radius: 999px;
  }

  .concept-chip::before {
    inset: 14px;
  }

  .concept-chip::after {
    inset: 32px;
  }

  .chip-core {
    inset: 38px;
    border-radius: 999px;
  }

  .chip-core small {
    font-size: 9px;
  }

  .chip-core strong {
    font-size: 20px;
  }

  .pin-top,
  .pin-bottom {
    left: 24px;
    width: 94px;
  }

  .pin-left,
  .pin-right {
    top: 24px;
    height: 94px;
  }

  .concept-node em {
    display: none;
  }

  .concept-node {
    padding: 9px;
  }

  .floating-spec {
    min-width: 0;
  }

  .floating-spec strong {
    font-size: 13px;
  }

  .board-card dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

.hero-visual {
  position: relative;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.32);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  isolation: auto;
}

.hero-visual::before,
.hero-visual::after {
  display: none;
}

.hero-visual img {
  display: block;
  width: 100%;
  height: min(58vw, 620px);
  min-height: 480px;
  object-fit: cover;
}

.hero-image-caption {
  position: absolute;
  left: 28px;
  bottom: 28px;
  display: grid;
  gap: 10px;
  max-width: min(420px, calc(100% - 56px));
  padding: 22px 26px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  color: #fff;
  background: rgba(15, 23, 42, 0.78);
  box-shadow: 0 22px 54px rgba(15, 23, 42, 0.26);
  backdrop-filter: blur(16px);
}

.hero-image-caption span {
  color: #bae6fd;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-image-caption strong {
  font-size: clamp(28px, 3.2vw, 46px);
  line-height: 1;
}

@media (max-width: 1060px) {
  .hero-visual {
    min-height: 0;
  }

  .hero-visual img {
    height: 520px;
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .hero-visual img {
    height: 420px;
  }

  .hero-image-caption {
    left: 18px;
    bottom: 18px;
    max-width: calc(100% - 36px);
    padding: 16px 18px;
  }
}

@media (max-width: 460px) {
  .hero-visual img {
    height: 340px;
  }

  .hero-image-caption strong {
    font-size: 24px;
  }
}

.hero {
  min-height: 100svh;
  padding: 132px 0 96px;
  color: #fff;
  background: #0f172a;
}

.hero::before {
  z-index: 1;
  opacity: 1;
  background:
    linear-gradient(90deg, rgba(8, 15, 30, 0.86) 0%, rgba(8, 15, 30, 0.68) 38%, rgba(8, 15, 30, 0.24) 68%, rgba(8, 15, 30, 0.08) 100%),
    linear-gradient(180deg, rgba(8, 15, 30, 0.2) 0%, rgba(8, 15, 30, 0.06) 46%, rgba(8, 15, 30, 0.48) 100%);
  mask-image: none;
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.46) 44%, transparent 84%);
  pointer-events: none;
}

.hero-grid {
  z-index: 2;
  grid-template-columns: minmax(0, 760px);
  align-items: center;
  min-height: calc(100svh - 228px);
}

.hero-copy {
  max-width: 760px;
}

.hero .eyebrow {
  color: #93c5fd;
}

.hero h1,
.hero-title {
  color: #fff;
  text-shadow: 0 18px 54px rgba(0, 0, 0, 0.32);
}

.hero h1 {
  font-size: clamp(62px, 8vw, 124px);
}

.hero-title {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.95);
  font-size: clamp(32px, 3.1vw, 50px);
  line-height: 1.08;
}

.hero-lead {
  max-width: 700px;
  color: rgba(226, 232, 240, 0.9);
}

.hero .secondary-button {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
  background: rgba(15, 23, 42, 0.28);
  backdrop-filter: blur(14px);
}

.hero-metrics div {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(15, 23, 42, 0.42);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
}

.hero-metrics dt {
  color: #fff;
}

.hero-metrics dd {
  color: rgba(226, 232, 240, 0.76);
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: #0f172a;
  box-shadow: none;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.hero-image-caption {
  z-index: 2;
  right: max(32px, calc((100vw - var(--max)) / 2 + 24px));
  bottom: 70px;
  left: auto;
  max-width: 430px;
  background: rgba(15, 23, 42, 0.72);
}

.logo-strip {
  position: relative;
  z-index: 3;
  margin-top: -44px;
}

@media (max-width: 1060px) {
  .hero {
    min-height: 100svh;
    padding: 122px 0 92px;
  }

  .hero-grid {
    min-height: calc(100svh - 214px);
    grid-template-columns: 1fr;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(8, 15, 30, 0.9) 0%, rgba(8, 15, 30, 0.68) 58%, rgba(8, 15, 30, 0.28) 100%),
      linear-gradient(180deg, rgba(8, 15, 30, 0.1) 0%, rgba(8, 15, 30, 0.54) 100%);
  }

  .hero-visual img {
    height: 100%;
    min-height: 100%;
  }
}

@media (max-width: 760px) {
  .hero {
    padding: 112px 0 86px;
  }

  .hero-grid {
    min-height: calc(100svh - 198px);
    align-items: center;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-image-caption {
    display: none;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}