:root {
  color-scheme: dark;
  --bg: #05070a;
  --surface: rgba(13, 18, 25, 0.72);
  --surface-strong: rgba(22, 29, 38, 0.92);
  --line: rgba(155, 243, 255, 0.18);
  --text: #edf7f8;
  --muted: #9db2b8;
  --cyan: #42f5e8;
  --green: #73ff9a;
  --amber: #ffcb65;
  --magenta: #ff5bd7;
  --radius: 8px;
  --max: 1180px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(115deg, rgba(66, 245, 232, 0.1), transparent 34%),
    linear-gradient(245deg, rgba(255, 91, 215, 0.09), transparent 38%),
    linear-gradient(135deg, #05070a 0%, #0a0f10 44%, #100d12 100%);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  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: 56px 56px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 85%);
}

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

#neural-field {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 40px, var(--max));
  height: 74px;
  margin: 0 auto;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: #021010;
  font-weight: 900;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, var(--cyan), var(--green) 45%, var(--amber)),
    #42f5e8;
  box-shadow: 0 0 34px rgba(66, 245, 232, 0.28);
}

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

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

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

.site-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(5, 8, 11, 0.56);
}

.site-nav a {
  padding: 9px 14px;
  color: #c9d8db;
  font-size: 14px;
  border-radius: 999px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  gap: 48px;
  align-items: center;
  width: min(100% - 40px, var(--max));
  min-height: calc(100vh - 74px);
  margin: 0 auto;
  padding: 72px 0 54px;
}

.hero-copy {
  max-width: 710px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(48px, 7vw, 92px);
  line-height: 1.02;
  font-weight: 900;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.25;
}

.hero-lead,
.section-copy p,
.contact-section p {
  max-width: 700px;
  color: #bfd0d4;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  font-weight: 800;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.btn-primary {
  color: #041010;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 18px 54px rgba(66, 245, 232, 0.2);
}

.btn-secondary {
  color: #e7f5f6;
  background: rgba(255, 255, 255, 0.06);
}

.hero-visual {
  position: relative;
  display: grid;
  min-height: 520px;
  place-items: center;
  isolation: isolate;
}

.hero-visual::before,
.hero-visual::after {
  position: absolute;
  content: "";
  border-radius: 50%;
}

.hero-visual::before {
  width: min(84vw, 500px);
  aspect-ratio: 1;
  border: 1px solid rgba(66, 245, 232, 0.26);
  background:
    conic-gradient(
      from 120deg,
      rgba(66, 245, 232, 0),
      rgba(66, 245, 232, 0.22),
      rgba(255, 203, 101, 0.08),
      rgba(255, 91, 215, 0.18),
      rgba(66, 245, 232, 0)
    );
  filter: blur(0.2px);
  animation: rotate 22s linear infinite;
}

.hero-visual::after {
  width: min(68vw, 380px);
  aspect-ratio: 1;
  border: 1px dashed rgba(115, 255, 154, 0.28);
  animation: rotate 16s linear infinite reverse;
}

.robot-core {
  position: relative;
  z-index: 2;
  display: grid;
  width: min(76vw, 310px);
  height: 430px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 42% 42% 8px 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), transparent 34%),
    linear-gradient(155deg, rgba(66, 245, 232, 0.24), rgba(17, 22, 28, 0.82) 45%, rgba(255, 91, 215, 0.14));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 34px 110px rgba(0, 0, 0, 0.56),
    0 0 72px rgba(66, 245, 232, 0.18);
  overflow: hidden;
}

.scan-line {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(66, 245, 232, 0.18), transparent);
  animation: scan 4.2s ease-in-out infinite;
}

.robot-head {
  position: absolute;
  top: 78px;
  display: flex;
  gap: 34px;
  align-items: center;
  justify-content: center;
  width: 182px;
  height: 92px;
  border: 1px solid rgba(66, 245, 232, 0.4);
  border-radius: 42px 42px 28px 28px;
  background: rgba(2, 12, 14, 0.78);
}

.robot-head span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 26px var(--cyan);
}

.robot-body {
  position: absolute;
  bottom: 68px;
  display: grid;
  gap: 12px;
  width: 190px;
}

.robot-body i {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--green), var(--cyan), var(--amber));
  box-shadow: 0 0 20px rgba(66, 245, 232, 0.32);
}

.robot-body i:nth-child(2) {
  width: 74%;
}

.robot-body i:nth-child(3) {
  width: 52%;
}

.orbit {
  position: absolute;
  inset: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
}

.orbit-one {
  transform: rotate(24deg) scaleX(1.36);
}

.orbit-two {
  transform: rotate(-32deg) scaleX(1.22);
}

.signal-card {
  position: absolute;
  z-index: 3;
  width: 142px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(8, 12, 16, 0.78);
  box-shadow: 0 18px 64px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(18px);
}

.signal-card b {
  display: block;
  margin-bottom: 4px;
  color: var(--cyan);
  font-size: 24px;
}

.signal-card span {
  color: #b7c9cc;
  font-size: 12px;
}

.card-a {
  top: 82px;
  left: 4px;
}

.card-b {
  right: 0;
  bottom: 112px;
}

.card-c {
  left: 52px;
  bottom: 34px;
}

.metrics,
.section {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.09);
  overflow: hidden;
}

.metrics div {
  min-height: 112px;
  padding: 24px;
  background: rgba(5, 8, 11, 0.84);
}

.metrics strong {
  display: block;
  margin-bottom: 16px;
  color: var(--amber);
  font-size: 13px;
}

.metrics span {
  font-size: 20px;
  font-weight: 800;
}

.section {
  padding: 118px 0 0;
}

.split-section {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 48px;
  align-items: start;
}

.pipeline {
  display: grid;
  gap: 16px;
}

.pipeline article,
.capability-grid article,
.solution-list article {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.08), transparent 38%),
    var(--surface);
  overflow: hidden;
}

.pipeline article {
  padding: 30px;
}

.pipeline article::before,
.capability-grid article::before,
.solution-list article::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  content: "";
  background: linear-gradient(180deg, var(--cyan), var(--green), var(--amber));
}

.pipeline span,
.solution-list span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.pipeline p,
.capability-grid p,
.solution-list p {
  margin-bottom: 0;
  color: #aebfc4;
  line-height: 1.7;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.capability-grid article {
  min-height: 236px;
  padding: 26px;
}

.capability-index {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  place-items: center;
  color: #061011;
  font-weight: 900;
  border-radius: 50%;
  background: var(--cyan);
}

.solutions {
  padding-top: 110px;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.solution-list article {
  min-height: 280px;
  padding: 30px;
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  margin-top: 118px;
  margin-bottom: 44px;
  padding: 42px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(66, 245, 232, 0.12), transparent 35%),
    linear-gradient(315deg, rgba(255, 203, 101, 0.12), transparent 36%),
    rgba(8, 12, 16, 0.8);
}

.contact-section h2 {
  max-width: 760px;
}

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

@keyframes scan {
  0%,
  100% {
    transform: translateY(-70%);
  }
  50% {
    transform: translateY(70%);
  }
}

@media (max-width: 980px) {
  .site-nav {
    display: none;
  }

  .hero,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

  .hero-visual {
    min-height: 500px;
  }

  .metrics,
  .capability-grid,
  .solution-list {
    grid-template-columns: 1fr;
  }

  .contact-section {
    justify-items: start;
  }
}

@media (max-width: 620px) {
  .site-header,
  .hero,
  .metrics,
  .section {
    width: min(100% - 28px, var(--max));
  }

  .brand-text span {
    display: none;
  }

  h1 {
    max-width: 7.4em;
    font-size: clamp(36px, 10.6vw, 46px);
    line-height: 1.08;
  }

  .eyebrow {
    max-width: 25em;
    font-size: 11px;
    overflow-wrap: anywhere;
  }

  .hero-lead,
  .section-copy p,
  .contact-section p {
    font-size: 16px;
  }

  .hero-actions,
  .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: 430px;
  }

  .robot-core {
    width: min(68vw, 270px);
    height: 360px;
  }

  .signal-card {
    width: 126px;
    padding: 12px;
  }

  .card-a {
    top: 56px;
  }

  .card-b {
    right: 6px;
    bottom: 86px;
  }

  .card-c {
    left: 18px;
    bottom: 20px;
  }

  .section {
    padding-top: 84px;
  }

  .contact-section {
    padding: 28px;
  }
}

.site-footer {
  margin-top: 60px;
  padding: 24px;
  text-align: center;
  border-top: 1px solid rgba(155, 243, 255, 0.1);
  background: rgba(13, 18, 25, 0.5);
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.beian-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.beian-link:hover {
  color: var(--accent, #9bf3ff);
}

.beian-icon {
  flex-shrink: 0;
  vertical-align: middle;
}