* {
  box-sizing: border-box;
}

:root {
  --bg: #07090b;
  --bg-deep: #030506;
  --surface: #0d1820;
  --surface-strong: #101f27;
  --surface-soft: #0a1114;
  --text: #f4f7f8;
  --text-muted: #8b99a6;
  --text-soft: #c8d2d6;
  --accent: #22c7a9;
  --accent-strong: #14a98f;
  --accent-soft: #8fe8d8;
  --accent-line: rgb(34 199 169 / 0.24);
  --accent-glow: rgb(34 199 169 / 0.34);
  --line: rgb(244 247 248 / 0.1);
  --radius-card: 8px;
  --radius-control: 999px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 10.5px;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

.notice {
  position: relative;
  z-index: 80;
  display: flex;
  min-height: 27px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 4px 12px;
  background: linear-gradient(90deg, #0b7b6c, var(--accent));
  color: #eefdfa;
  text-align: center;
}

.notice a,
.notice button {
  min-height: 18px;
  border: 0;
  border-radius: 3px;
  background: #eafaf6;
  color: #063d36;
  padding: 0 10px;
  font-size: 9px;
  font-weight: 700;
  text-decoration: none;
}

.notice button {
  opacity: 0.75;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  display: flex;
  height: 52.5px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgb(7 9 11 / 0.78);
  padding: 0 16px;
  backdrop-filter: blur(12px);
}

.brand img {
  display: block;
  width: 107px;
  height: auto;
}

.text-brand {
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
}

.text-brand strong {
  color: var(--accent);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 34px);
  white-space: nowrap;
}

.site-header nav a {
  color: rgb(244 247 248 / 0.86);
  font-size: 10px;
  text-decoration: none;
  transition: color 180ms ease;
}

.site-header nav a:hover {
  color: var(--accent-soft);
}

.hero {
  position: relative;
  display: grid;
  min-height: 1090px;
  place-items: start center;
  overflow: hidden;
  padding: 330px 20px 160px;
  isolation: isolate;
}

.hero::before {
  position: absolute;
  inset: auto -10% 0;
  z-index: -3;
  height: 55%;
  content: "";
  background:
    radial-gradient(ellipse at 50% 80%, rgb(34 199 169 / 0.5), transparent 55%),
    linear-gradient(180deg, transparent 0%, #073c36 72%, var(--bg) 100%);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    radial-gradient(ellipse at center, transparent 0 30%, rgb(7 9 11 / 0.58) 75%),
    linear-gradient(180deg, var(--bg) 0%, transparent 28%, transparent 76%, var(--bg) 100%);
}

.stars,
.stars::before,
.stars::after {
  position: absolute;
  inset: 0;
  z-index: -5;
  content: "";
  background-image:
    radial-gradient(circle, rgb(255 255 255 / 0.92) 0 1px, transparent 1.45px),
    radial-gradient(circle, rgb(143 232 216 / 0.46) 0 1px, transparent 1.3px);
  background-position: 0 0, 40px 60px;
  background-size: 58px 58px, 114px 114px;
  animation: stars-drift 95s linear infinite;
  opacity: 0.1;
  transition: opacity 300ms ease;
}

.stars-two {
  opacity: 0.08;
  transform: scale(1.65);
  animation-duration: 150s;
}

.particles-active .stars {
  opacity: 0;
}

.particles-fallback .stars,
.particles-disabled .stars {
  opacity: 0.1;
}

.particles-fallback .stars-two,
.particles-disabled .stars-two {
  opacity: 0.07;
}

#sceneact-particles {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.78;
  pointer-events: none;
}

#sceneact-particles canvas {
  position: absolute !important;
  inset: 0;
}

#sceneact-particles::before {
  position: absolute;
  inset: 16% 12% auto;
  height: 22%;
  border: 1px solid rgb(34 199 169 / 0.18);
  border-radius: var(--radius-card);
  background:
    linear-gradient(90deg, transparent, rgb(34 199 169 / 0.08), transparent),
    repeating-linear-gradient(90deg, rgb(143 232 216 / 0.08) 0 1px, transparent 1px 84px);
  content: "";
  opacity: 0.55;
  mask-image: linear-gradient(90deg, transparent, black 18%, black 82%, transparent);
}

.spatial-field {
  position: absolute;
  inset: 64px 0 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.scan-grid {
  position: absolute;
  left: 50%;
  top: 70px;
  width: min(980px, 86vw);
  height: 430px;
  border: 1px solid rgb(34 199 169 / 0.16);
  border-radius: var(--radius-card);
  background:
    linear-gradient(90deg, transparent 0 49.7%, rgb(143 232 216 / 0.22) 50%, transparent 50.3% 100%),
    linear-gradient(180deg, transparent 0 49.7%, rgb(143 232 216 / 0.18) 50%, transparent 50.3% 100%),
    repeating-linear-gradient(90deg, rgb(143 232 216 / 0.11) 0 1px, transparent 1px 70px),
    repeating-linear-gradient(180deg, rgb(143 232 216 / 0.09) 0 1px, transparent 1px 58px),
    radial-gradient(ellipse at center, rgb(34 199 169 / 0.18), transparent 68%);
  box-shadow:
    inset 0 0 55px rgb(34 199 169 / 0.1),
    0 34px 120px rgb(34 199 169 / 0.12);
  opacity: 0.58;
  transform: translateX(-50%) perspective(760px) rotateX(58deg);
  transform-origin: center top;
  animation: scan-grid-drift 11s ease-in-out infinite alternate;
  mask-image: linear-gradient(90deg, transparent, black 14%, black 86%, transparent);
}

.scan-grid::before,
.scan-grid::after {
  position: absolute;
  inset: 0;
  content: "";
}

.scan-grid::before {
  background: linear-gradient(180deg, transparent 0 28%, rgb(143 232 216 / 0.28) 48%, transparent 68%);
  opacity: 0.42;
  transform: translateY(-38%);
  animation: scan-sweep 5.8s ease-in-out infinite;
}

.scan-grid::after {
  border-radius: inherit;
  background:
    radial-gradient(circle at 22% 58%, rgb(143 232 216 / 0.38) 0 2px, transparent 3px),
    radial-gradient(circle at 48% 38%, rgb(244 247 248 / 0.34) 0 1px, transparent 2px),
    radial-gradient(circle at 74% 62%, rgb(34 199 169 / 0.42) 0 2px, transparent 3px);
  filter: drop-shadow(0 0 12px rgb(34 199 169 / 0.5));
}

.trajectory-layer {
  position: absolute;
  left: 50%;
  top: 88px;
  width: min(1120px, 94vw);
  height: 430px;
  opacity: 0.72;
  transform: translateX(-50%);
  filter: drop-shadow(0 0 14px rgb(34 199 169 / 0.24));
}

.trajectory {
  fill: none;
  stroke: var(--accent-soft);
  stroke-width: 1.3;
  stroke-linecap: round;
  stroke-dasharray: 8 22;
  opacity: 0.58;
  animation: trajectory-flow 8s linear infinite;
}

.trajectory-two {
  stroke: var(--accent);
  stroke-dasharray: 5 18;
  opacity: 0.48;
  animation-duration: 10.5s;
}

.trajectory-three {
  stroke: rgb(244 247 248 / 0.74);
  stroke-dasharray: 3 24;
  opacity: 0.32;
  animation-duration: 13s;
}

.signal-cloud {
  position: absolute;
  left: 50%;
  top: 126px;
  width: min(900px, 82vw);
  height: 330px;
  transform: translateX(-50%);
}

.signal-cloud span {
  position: absolute;
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid rgb(143 232 216 / 0.2);
  border-radius: 4px;
  background: rgb(7 18 20 / 0.48);
  box-shadow: 0 0 24px rgb(34 199 169 / 0.1);
  color: rgb(200 250 241 / 0.72);
  padding: 3px 9px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  letter-spacing: 0;
  backdrop-filter: blur(8px);
  animation: signal-float 7s ease-in-out infinite;
}

.signal-cloud span:nth-child(1) {
  left: 3%;
  top: 45%;
}

.signal-cloud span:nth-child(2) {
  left: 26%;
  top: 17%;
  animation-delay: -1.8s;
}

.signal-cloud span:nth-child(3) {
  right: 24%;
  top: 26%;
  animation-delay: -3.1s;
}

.signal-cloud span:nth-child(4) {
  right: 0;
  top: 52%;
  animation-delay: -4.4s;
}

.signal-cloud span:nth-child(5) {
  left: 62%;
  top: 5%;
  animation-delay: -2.3s;
}

.signal-cloud span:nth-child(6) {
  left: 10%;
  top: 78%;
  animation-delay: -5.2s;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  text-align: center;
}

.brand-title {
  margin: 0;
  font-size: clamp(26px, 3vw, 39px);
  font-weight: 800;
  line-height: 1;
}

.brand-title span {
  color: var(--accent);
}

.hero h1 {
  margin: 8px 0 0;
  font-size: clamp(36px, 4.2vw, 54px);
  font-weight: 800;
  line-height: 0.95;
}

.hero p:not(.brand-title) {
  max-width: 690px;
  margin: 12px auto 0;
  color: rgb(244 247 248 / 0.86);
  font-size: 14px;
  line-height: 1.35;
}

.button {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgb(244 247 248 / 0.14);
  border-radius: var(--radius-control);
  padding: 0 18px;
  color: #f4fffc;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button.primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  box-shadow: 0 12px 34px var(--accent-glow);
}

.button.ghost {
  background: rgb(244 247 248 / 0.07);
}

.hero .button {
  margin-top: 28px;
}

.section {
  position: relative;
  background: var(--bg);
  padding: 94px 20px;
}

.container {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.product-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-card);
  background: var(--surface-soft);
}

.product-bg {
  display: block;
  width: 100%;
  min-height: 250px;
  object-fit: cover;
  filter: hue-rotate(-50deg) saturate(0.74) brightness(0.92);
}

.product-foreground {
  position: absolute;
  right: 7%;
  bottom: -18%;
  width: min(520px, 50%);
  max-height: 120%;
  object-fit: contain;
  filter: hue-rotate(-50deg) saturate(0.86) drop-shadow(0 34px 36px rgb(0 0 0 / 0.55));
  pointer-events: none;
}

.product-copy {
  position: absolute;
  top: 24%;
  left: 6%;
  max-width: 330px;
}

.pill,
.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-control);
  background: rgb(34 199 169 / 0.08);
  color: var(--accent-soft);
  padding: 4px 10px;
  font-size: 10px;
  margin: 0 0 13px;
}

.product-copy h2,
.copy h2,
.section-heading h2,
.human-content h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.05;
}

.product-copy h2 {
  max-width: 240px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.product-tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 28px;
  max-width: 900px;
  margin: 54px auto 0;
  text-align: center;
}

.product-tabs button {
  display: grid;
  gap: 8px;
  place-items: center;
  border: 0;
  background: transparent;
  color: rgb(200 210 214 / 0.44);
  cursor: pointer;
  font-size: 11px;
}

.product-tabs img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  opacity: 0.55;
}

.product-tabs .active {
  color: var(--accent-soft);
}

.product-tabs .active img {
  opacity: 1;
  filter: hue-rotate(-50deg) saturate(0.9) drop-shadow(0 0 16px var(--accent-glow));
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
}

.copy p,
.section-heading p,
.human-content p,
.contact-copy p {
  color: rgb(200 210 214 / 0.78);
  font-size: 13px;
  line-height: 1.7;
}

.stats {
  display: flex;
  gap: 42px;
  margin: 28px 0;
}

.stats strong {
  display: block;
  color: var(--text);
  font-size: 30px;
  line-height: 1;
}

.stats span {
  display: block;
  margin-top: 8px;
  color: rgb(139 153 166 / 0.9);
  font-size: 11px;
}

.video-card {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.video-card video {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  filter: hue-rotate(36deg) saturate(0.72) brightness(0.86);
}

.video-card button {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgb(143 232 216 / 0.52);
  border-radius: var(--radius-control);
  background: rgb(7 9 11 / 0.38);
  color: var(--accent-soft);
  transform: translate(-50%, -50%);
}

.human-data {
  position: relative;
  display: grid;
  min-height: 870px;
  place-items: center;
  overflow: hidden;
  padding: 120px 20px;
}

.human-data > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: hue-rotate(32deg) saturate(0.7) brightness(0.82);
}

.human-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, var(--bg) 0%, rgb(7 9 11 / 0.3) 36%, rgb(7 9 11 / 0.58) 70%, var(--bg) 100%),
    rgb(7 9 11 / 0.24);
}

.human-content {
  position: relative;
  z-index: 2;
  max-width: 940px;
  text-align: center;
}

.human-content .stats {
  justify-content: center;
}

.governance {
  padding-top: 130px;
  padding-bottom: 130px;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 28px;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgb(200 210 214 / 0.78);
  font-size: 13px;
}

.check-list li::before {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  content: "";
  box-shadow: 0 0 16px var(--accent-glow);
  flex: 0 0 auto;
}

.loading-panel {
  display: grid;
  min-height: 365px;
  place-items: center;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgb(244 247 248 / 0.16);
  border-top-color: var(--accent-soft);
  border-radius: var(--radius-control);
  animation: spin 950ms linear infinite;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 42px;
  text-align: center;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-grid article,
.contact-card,
.contact-form {
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-card);
  background:
    radial-gradient(circle at 55% 35%, rgb(34 199 169 / 0.16), transparent 45%),
    linear-gradient(180deg, rgb(13 24 32 / 0.98), rgb(5 10 12 / 0.98));
  box-shadow: inset 0 1px 0 rgb(244 247 248 / 0.08);
}

.service-grid article {
  min-height: 235px;
  padding: 24px;
}

.service-grid article > span {
  display: inline-flex;
  border: 1px solid rgb(34 199 169 / 0.5);
  border-radius: 4px;
  color: var(--accent-soft);
  padding: 4px 9px;
  font-size: 11px;
  font-weight: 800;
}

.service-grid h3 {
  margin: 16px 0 14px;
  color: var(--text);
  font-size: 16px;
}

.service-grid ul {
  display: grid;
  gap: 9px;
  padding: 0;
  margin: 0;
  list-style: none;
  color: rgb(200 210 214 / 0.78);
  font-size: 12px;
}

.service-grid li::before {
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-right: 8px;
  border-radius: 3px;
  background: var(--accent);
  content: "";
  vertical-align: -1px;
}

.services {
  padding-bottom: 56px;
}

.contact {
  background:
    linear-gradient(rgb(34 199 169 / 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgb(34 199 169 / 0.045) 1px, transparent 1px),
    var(--bg);
  background-size: 36px 36px;
  padding-top: 132px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.7fr);
  gap: 44px;
  align-items: start;
}

.contact-card {
  display: grid;
  gap: 8px;
  margin-top: 24px;
  padding: 26px;
  color: var(--text);
  text-decoration: none;
}

.contact-card a {
  color: var(--text);
  text-decoration: none;
}

.contact-card.blue {
  background:
    radial-gradient(circle at 80% 10%, rgb(34 199 169 / 0.28), transparent 35%),
    linear-gradient(180deg, #0d2b28, #081416);
}

.contact-card span {
  color: rgb(139 153 166 / 0.95);
}

.socials {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.socials a {
  display: grid;
  min-height: 58px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgb(244 247 248 / 0.04);
  color: rgb(200 210 214 / 0.72);
  font-size: 10px;
  text-align: center;
  text-decoration: none;
}

.contact-form {
  display: grid;
  gap: 13px;
  padding: 26px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: rgb(244 247 248 / 0.9);
  font-size: 11px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgb(244 247 248 / 0.11);
  border-radius: 5px;
  background: rgb(244 247 248 / 0.11);
  color: var(--text);
  padding: 11px 13px;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  outline: 2px solid rgb(34 199 169 / 0.22);
  outline-offset: 1px;
}

.contact-form textarea {
  min-height: 118px;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgb(139 153 166 / 0.78);
}

.consent {
  grid-template-columns: 18px 1fr !important;
  align-items: start;
  color: rgb(139 153 166 / 0.9) !important;
  font-weight: 400 !important;
}

.footer {
  padding: 28px 20px;
  color: rgb(139 153 166 / 0.78);
  font-size: 10.5px;
  text-align: center;
}

@keyframes stars-drift {
  to {
    background-position: 900px -1200px, -600px -800px;
  }
}

@keyframes scan-grid-drift {
  from {
    transform: translateX(-50%) perspective(760px) rotateX(58deg) translateY(-8px);
  }

  to {
    transform: translateX(-50%) perspective(760px) rotateX(58deg) translateY(12px);
  }
}

@keyframes scan-sweep {
  0%,
  12% {
    transform: translateY(-45%);
  }

  72%,
  100% {
    transform: translateY(46%);
  }
}

@keyframes trajectory-flow {
  to {
    stroke-dashoffset: -240;
  }
}

@keyframes signal-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(10px, -14px, 0);
  }
}

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

@media (prefers-reduced-motion: reduce) {
  #sceneact-particles {
    display: none;
  }

  .particles-active .stars,
  .particles-disabled .stars {
    opacity: 0.1;
  }

  .particles-active .stars-two,
  .particles-disabled .stars-two {
    opacity: 0.07;
  }

  .stars,
  .stars::before,
  .stars::after,
  .scan-grid,
  .scan-grid::before,
  .trajectory,
  .signal-cloud span,
  .spinner {
    animation: none;
  }
}

@media (max-width: 860px) {
  .notice {
    min-height: 24px;
    gap: 8px;
    font-size: 8px;
  }

  .notice a,
  .notice button {
    font-size: 8px;
    padding: 0 7px;
  }

  .site-header {
    justify-content: center;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    min-height: 720px;
    padding: 148px 20px 80px;
  }

  .spatial-field {
    top: 40px;
  }

  .scan-grid {
    top: 24px;
    width: 108vw;
    height: 310px;
    opacity: 0.4;
  }

  .trajectory-layer {
    top: 42px;
    width: 116vw;
    height: 320px;
    opacity: 0.42;
  }

  .signal-cloud {
    display: none;
  }

  .hero p:not(.brand-title) {
    font-size: 12px;
  }

  .section {
    padding: 58px 18px;
  }

  .product-copy {
    top: 14%;
    left: 7%;
    max-width: 172px;
  }

  .product-copy h2 {
    font-size: 20px;
  }

  .product-foreground {
    right: -8%;
    bottom: -5%;
    width: 60%;
  }

  .product-copy .button {
    min-height: 24px;
    padding: 0 10px;
    font-size: 8px;
  }

  .product-tabs {
    gap: 8px;
    margin-top: 24px;
  }

  .product-tabs button {
    font-size: 8px;
  }

  .product-tabs img {
    width: 34px;
    height: 34px;
  }

  .split,
  .service-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .video-card,
  .video-card video,
  .loading-panel {
    min-height: 280px;
  }

  .stats {
    justify-content: space-between;
    gap: 16px;
  }

  .stats strong {
    font-size: 24px;
  }

  .human-data {
    min-height: 760px;
  }
}

@media (max-width: 430px) {
  .hero h1 {
    font-size: 36px;
  }

  .brand-title {
    font-size: 27px;
  }

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

  .coverage .copy h2,
  .governance .copy h2,
  .contact-copy h2 {
    font-size: 30px;
  }

  .human-content h2 {
    font-size: 36px;
  }

  .socials {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}