:root {
  --ink: #111827;
  --muted: #667085;
  --soft: #f5f9ff;
  --line: rgba(46, 94, 170, 0.14);
  --blue: #1683ff;
  --blue-deep: #0b5fd3;
  --cyan: #16c6d8;
  --mint: #32d49a;
  --amber: #ffb84d;
  --rose: #ff6b8a;
  --violet: #7b61ff;
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 24px 70px rgba(27, 86, 161, 0.16);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    "Noto Serif SC",
    "Source Han Serif SC",
    "Microsoft YaHei",
    "PingFang SC",
    serif;
  background:
    radial-gradient(circle at 6% 4%, rgba(22, 131, 255, 0.12), transparent 28rem),
    radial-gradient(circle at 88% 14%, rgba(22, 198, 216, 0.14), transparent 26rem),
    linear-gradient(180deg, #fbfdff 0%, #f3f8ff 43%, #ffffff 100%);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

button,
a {
  font: inherit;
}

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

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

svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 100;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--mint));
  box-shadow: 0 0 20px rgba(22, 131, 255, 0.45);
}

.site-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  gap: 18px;
  background:
    radial-gradient(circle at 50% 30%, rgba(22, 131, 255, 0.12), transparent 28rem),
    linear-gradient(180deg, rgba(250, 252, 255, 0.98), rgba(244, 248, 255, 0.96));
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

body.loaded .site-loader {
  display: none;
}

.loader-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--blue-deep);
  font-family:
    "Trebuchet MS",
    "Microsoft YaHei",
    sans-serif;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0;
}

.loader-mark .brand-mark {
  transform: scale(1.05);
}

.loader-mark b {
  font-weight: 900;
}

.loader-line {
  position: relative;
  width: min(280px, 56vw);
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(22, 131, 255, 0.1);
}

.loader-line::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 -50%;
  width: 50%;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  animation: loading 1.15s ease-in-out infinite;
}

.aurora-canvas,
.ambient-noise {
  pointer-events: none;
}

.aurora-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.ambient-noise {
  position: fixed;
  inset: 0;
  z-index: 2;
  opacity: 0.12;
  mix-blend-mode: soft-light;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 18px 18px;
}

.site-header {
  position: fixed;
  left: 50%;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 32px));
  margin: 16px auto 0;
  padding: 12px 14px 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 18px 48px rgba(29, 79, 145, 0.12);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
  transition:
    padding 0.3s ease,
    background 0.3s ease,
    box-shadow 0.3s ease;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 34px rgba(29, 79, 145, 0.16);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family:
    "Trebuchet MS",
    "Microsoft YaHei",
    sans-serif;
  font-size: 19px;
  font-weight: 800;
  color: #0b6ee8;
}

.brand-mark {
  position: relative;
  width: 35px;
  height: 32px;
  display: inline-block;
}

.brand-mark span,
.brand-mark strong {
  position: absolute;
  display: block;
  background: linear-gradient(145deg, #1683ff, #0b5fd3);
}

.brand-mark span {
  width: 8px;
  height: 14px;
  border-radius: 10px 10px 8px 8px;
  transform-origin: 50% 100%;
}

.brand-mark span:nth-child(1) {
  left: 1px;
  top: 10px;
  transform: rotate(-28deg);
}

.brand-mark span:nth-child(2) {
  left: 9px;
  top: 3px;
  transform: rotate(-10deg);
}

.brand-mark span:nth-child(3) {
  right: 9px;
  top: 3px;
  transform: rotate(10deg);
}

.brand-mark span:nth-child(4) {
  right: 1px;
  top: 10px;
  transform: rotate(28deg);
}

.brand-mark strong {
  left: 9px;
  bottom: 1px;
  width: 17px;
  height: 15px;
  border-radius: 14px 14px 10px 10px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 17px;
  border-radius: 999px;
  color: #26334a;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 14px;
  font-weight: 700;
  transition:
    color 0.24s ease,
    background 0.24s ease,
    transform 0.24s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--blue-deep);
  background: rgba(22, 131, 255, 0.1);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
}

.compact-nav .site-header {
  width: calc(100% - 22px);
  margin-top: 10px;
  border-radius: 24px;
  padding: 10px 14px;
}

.compact-nav .nav-toggle {
  display: none;
}

.compact-nav .nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  border-radius: 999px;
  background: var(--blue-deep);
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}

.compact-nav.menu-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.compact-nav.menu-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.compact-nav.menu-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.compact-nav .site-nav {
  position: fixed;
  left: 11px;
  right: 11px;
  top: 78px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 22px 50px rgba(31, 77, 138, 0.18);
  opacity: 1;
  pointer-events: auto;
  transform: none;
  scrollbar-width: none;
}

.compact-nav .site-nav::-webkit-scrollbar {
  display: none;
}

.compact-nav .site-nav a {
  flex: 0 0 auto;
  justify-content: center;
  min-height: 36px;
  padding: 0 12px;
  font-size: 13px;
}

.compact-nav .hero {
  padding-top: 154px;
}

.section {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(480px, 1.12fr);
  align-items: center;
  min-height: 760px;
  padding-top: 90px;
  gap: 40px;
}

.hero-bg {
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  overflow: hidden;
}

.hero-bg::before {
  content: "";
  position: absolute;
  right: -8vw;
  top: 86px;
  width: min(62vw, 820px);
  height: 590px;
  border-radius: 52% 0 0 52%;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.12)),
    url("./img/captures/enterprise-case.png") center/cover;
  opacity: 0.18;
  filter: saturate(1.1);
}

.wave-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 131, 255, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 131, 255, 0.065) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, black 0%, transparent 74%);
}

.coastline {
  position: absolute;
  right: -120px;
  bottom: 70px;
  width: 850px;
  height: 220px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(22, 131, 255, 0.18), rgba(22, 198, 216, 0.04));
  filter: blur(4px);
  animation: coast 8s ease-in-out infinite;
}

.hero-copy {
  padding: 36px 0 30px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-deep);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.capability h2,
.motion-card h2,
.why h2,
.contact h2 {
  margin: 0;
  color: #101828;
  font-size: clamp(38px, 6vw, 70px);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 900;
}

.hero h1 {
  max-width: 620px;
}

.hero h1::after {
  content: "";
  display: block;
  width: 182px;
  height: 18px;
  margin: -6px 0 0 250px;
  background: url("data:image/svg+xml,%3Csvg width='182' height='18' viewBox='0 0 182 18' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3 13C46 2 98 3 179 8' stroke='%231683ff' stroke-width='7' stroke-linecap='round' opacity='.74'/%3E%3Cpath d='M12 15C55 8 112 8 167 12' stroke='%2316c6d8' stroke-width='3' stroke-linecap='round' opacity='.55'/%3E%3C/svg%3E")
    center/contain no-repeat;
}

.hero-lede {
  max-width: 610px;
  margin: 26px 0 0;
  color: #41516b;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 18px;
  line-height: 1.9;
  font-weight: 600;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 15px;
  font-weight: 800;
  overflow: hidden;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:hover svg {
  transform: translateX(3px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #1683ff, #0b5fd3);
  box-shadow: 0 18px 36px rgba(22, 131, 255, 0.28);
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 -40%;
  width: 30%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.36), transparent);
  transform: skewX(-20deg);
  transition: left 0.55s ease;
}

.btn-primary:hover::before {
  left: 110%;
}

.btn-ghost {
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(22, 131, 255, 0.18);
  box-shadow: 0 12px 28px rgba(29, 79, 145, 0.08);
}

.signal-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 590px;
  margin-top: 22px;
}

.signal-strip span {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px 0 28px;
  border: 1px solid rgba(22, 131, 255, 0.14);
  border-radius: 999px;
  color: #33415c;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 24px rgba(31, 77, 138, 0.07);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 12px;
  font-weight: 900;
  overflow: hidden;
}

.signal-strip span::before {
  content: "";
  position: absolute;
  left: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 6px rgba(50, 212, 154, 0.12);
  animation: pulseDot 2.2s ease-in-out infinite;
}

.hero-stage {
  position: relative;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.38)),
    radial-gradient(circle at 80% 16%, rgba(22, 198, 216, 0.12), transparent 22rem);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: -1;
  border-radius: inherit;
  background: conic-gradient(from 160deg, transparent 0 30%, rgba(22, 131, 255, 0.35), rgba(22, 198, 216, 0.28), transparent 68% 100%);
  opacity: 0.5;
  animation: haloRotate 10s linear infinite;
}

.stage-scan {
  position: absolute;
  left: -25%;
  top: 0;
  z-index: 3;
  width: 32%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
  transform: skewX(-17deg);
  animation: scanStage 5.8s ease-in-out infinite;
}

.stage-topline,
.hero-metrics {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #667085;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.device-stack {
  position: relative;
  min-height: 420px;
  margin-top: 18px;
}

.device-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 24px 60px rgba(33, 91, 154, 0.18);
}

.device-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.device-main {
  width: 86%;
  height: 350px;
  margin: 26px auto 0;
  transform: perspective(1100px) rotateX(5deg) rotateY(-9deg);
  transition: transform 0.5s ease;
}

.hero-stage:hover .device-main {
  transform: perspective(1100px) rotateX(1deg) rotateY(-3deg) translateY(-4px);
}

.device-main figcaption {
  position: absolute;
  left: 18px;
  bottom: 16px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #fff;
  background: rgba(13, 37, 70, 0.75);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 12px;
  font-weight: 800;
  backdrop-filter: blur(8px);
}

.device-float {
  position: absolute;
  width: 230px;
  height: 150px;
}

.device-one {
  left: -10px;
  bottom: 14px;
  animation: floatOne 5.8s ease-in-out infinite;
}

.device-two {
  right: 0;
  top: 28px;
  animation: floatTwo 6.6s ease-in-out infinite;
}

.hero-metrics {
  padding: 0 8px 4px;
}

.hero-metrics span {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  color: #526174;
}

.hero-metrics strong {
  color: var(--blue-deep);
  font-size: 22px;
}

.motion-reel {
  position: relative;
  z-index: 1;
  margin-top: -26px;
  overflow: hidden;
}

.motion-marquee {
  display: flex;
  width: 100%;
  overflow: hidden;
  border-block: 1px solid rgba(22, 131, 255, 0.1);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.14), rgba(22, 131, 255, 0.07), rgba(255, 255, 255, 0.14)),
    rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(12px);
}

.motion-marquee div {
  display: flex;
  flex: 0 0 auto;
  gap: 16px;
  min-width: 100%;
  padding: 14px 8px;
  animation: marquee 26s linear infinite;
}

.motion-marquee span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(11, 95, 211, 0.7);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.motion-marquee span::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--mint));
  box-shadow: 0 0 18px rgba(22, 131, 255, 0.36);
}

.motion-command {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(460px, 1.22fr);
  gap: 34px;
  align-items: center;
  padding: 62px 0 26px;
}

.command-copy h2 {
  margin: 0;
  max-width: 560px;
  color: #101828;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  font-weight: 900;
}

.command-copy p:not(.eyebrow) {
  margin: 18px 0 0;
  max-width: 560px;
  color: #5d6c82;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 16px;
  line-height: 1.9;
}

.command-board {
  position: relative;
  min-height: 340px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 34px;
  background:
    radial-gradient(circle at 52% 52%, rgba(22, 131, 255, 0.18), transparent 11rem),
    radial-gradient(circle at 14% 20%, rgba(50, 212, 154, 0.12), transparent 13rem),
    rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.command-board::before {
  content: "";
  position: absolute;
  inset: 18px;
  border: 1px dashed rgba(22, 131, 255, 0.16);
  border-radius: 26px;
}

.command-lines {
  position: absolute;
  inset: 10px;
  width: calc(100% - 20px);
  height: calc(100% - 20px);
}

.command-lines path {
  fill: none;
  stroke: rgba(22, 131, 255, 0.3);
  stroke-width: 2;
  stroke-dasharray: 10 12;
  animation: dashFlow 2.6s linear infinite;
}

.command-node,
.command-core {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 46px rgba(36, 89, 151, 0.14);
  backdrop-filter: blur(12px);
}

.command-node {
  display: grid;
  gap: 5px;
  min-width: 145px;
  padding: 16px 18px;
  border-radius: 20px;
  animation: nodeFloat 5.8s ease-in-out infinite;
}

.command-node strong,
.command-core b {
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-weight: 900;
}

.command-node span {
  color: #667085;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.node-a {
  left: 42px;
  top: 48px;
}

.node-b {
  right: 48px;
  top: 72px;
  animation-delay: -1.4s;
}

.node-c {
  left: 74px;
  bottom: 58px;
  animation-delay: -2.7s;
}

.command-core {
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 166px;
  height: 166px;
  border-radius: 42px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(22, 131, 255, 0.95), rgba(11, 95, 211, 0.96)),
    var(--blue);
  transform: translate(-50%, -50%);
  animation: coreBreath 3.8s ease-in-out infinite;
}

.command-core span {
  width: 54px;
  height: 50px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 18% 18%, #fff 0 9%, transparent 10%),
    radial-gradient(circle at 50% 8%, #fff 0 11%, transparent 12%),
    radial-gradient(circle at 82% 18%, #fff 0 9%, transparent 10%),
    radial-gradient(circle at 50% 65%, #fff 0 25%, transparent 26%);
  opacity: 0.86;
}

.intro-band,
.services,
.capability,
.showcase,
.motion-lab,
.process,
.why,
.contact {
  padding: 72px 0;
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-heading.compact {
  max-width: 640px;
}

.section-heading h2,
.capability h2,
.motion-card h2,
.why h2,
.contact h2 {
  font-size: clamp(28px, 4.2vw, 46px);
  line-height: 1.22;
}

.section-heading p:not(.eyebrow),
.capability-copy p:not(.eyebrow),
.motion-card p:not(.eyebrow),
.contact-copy p:not(.eyebrow) {
  margin: 16px auto 0;
  color: #5d6c82;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 16px;
  line-height: 1.9;
}

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

.about-card,
.process-steps article,
.why-list article {
  border: 1px solid rgba(22, 131, 255, 0.12);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 20px 54px rgba(36, 89, 151, 0.1);
  backdrop-filter: blur(12px);
}

.about-card {
  position: relative;
  min-height: 260px;
  padding: 28px;
  border-radius: 28px;
  overflow: hidden;
}

.about-card::after {
  content: "";
  position: absolute;
  inset: auto -60px -80px auto;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 131, 255, 0.18), transparent 68%);
}

.card-index {
  color: rgba(22, 131, 255, 0.28);
  font-family: Georgia, serif;
  font-size: 58px;
  font-weight: 900;
}

.about-card h3,
.product-card h3,
.capability-board h3,
.case-panel h3,
.process-steps h3,
.why-list h3 {
  margin: 10px 0 0;
  font-size: 22px;
  line-height: 1.24;
}

.about-card p,
.product-card p,
.capability-board p,
.case-panel p,
.process-steps p,
.why-list p {
  margin: 12px 0 0;
  color: #5d6c82;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 14px;
  line-height: 1.8;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 454px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(240, 248, 255, 0.68));
  box-shadow: 0 22px 58px rgba(36, 89, 151, 0.12);
  overflow: hidden;
  isolation: isolate;
  transform-style: preserve-3d;
  transition:
    transform 0.24s ease,
    box-shadow 0.24s ease;
}

.product-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: conic-gradient(from var(--card-angle, 0deg), rgba(22, 131, 255, 0.36), transparent 18%, transparent 72%, rgba(22, 198, 216, 0.32));
  opacity: 0;
  transition: opacity 0.28s ease;
}

.product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at var(--glow-x, 50%) var(--glow-y, 50%), rgba(255, 255, 255, 0.74), transparent 16rem);
  opacity: 0;
  transition: opacity 0.24s ease;
}

.product-card:hover::before,
.product-card:hover::after {
  opacity: 1;
}

.product-card > * {
  position: relative;
  z-index: 1;
}

.product-card:nth-child(2) {
  background: linear-gradient(180deg, rgba(246, 255, 251, 0.9), rgba(234, 255, 248, 0.72));
}

.product-card:nth-child(3) {
  background: linear-gradient(180deg, rgba(248, 247, 255, 0.9), rgba(242, 239, 255, 0.72));
}

.product-card:nth-child(4) {
  background: linear-gradient(180deg, rgba(255, 250, 239, 0.92), rgba(255, 246, 225, 0.72));
}

.product-card:hover {
  box-shadow: 0 30px 76px rgba(36, 89, 151, 0.19);
}

.product-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: #fff;
  box-shadow: 0 16px 30px rgba(22, 131, 255, 0.18);
}

.product-icon svg {
  width: 24px;
  height: 24px;
}

.icon-api {
  background: linear-gradient(135deg, #1683ff, #0b5fd3);
}

.icon-image {
  background: linear-gradient(135deg, #32d49a, #12a777);
}

.icon-video {
  background: linear-gradient(135deg, #8b76ff, #5f49e8);
}

.icon-class {
  background: linear-gradient(135deg, #ffbd55, #f59a1a);
}

.product-card img {
  width: calc(100% + 12px);
  height: 150px;
  margin: auto -6px 18px;
  border: 1px solid rgba(17, 24, 39, 0.09);
  border-radius: 16px;
  object-fit: cover;
  object-position: top center;
  box-shadow: 0 16px 34px rgba(31, 77, 138, 0.12);
}

.product-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  margin-top: 0;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--blue-deep);
  background: rgba(22, 131, 255, 0.1);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.product-card:nth-child(2) a {
  color: #087b5a;
  background: rgba(50, 212, 154, 0.12);
}

.product-card:nth-child(3) a {
  color: #5f49e8;
  background: rgba(123, 97, 255, 0.12);
}

.product-card:nth-child(4) a {
  color: #b66a00;
  background: rgba(255, 184, 77, 0.16);
}

.capability {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 36px;
  align-items: center;
}

.capability-copy {
  padding-right: 20px;
}

.capability-board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 32px;
  background:
    radial-gradient(circle at 26% 22%, rgba(22, 131, 255, 0.16), transparent 14rem),
    rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.board-line {
  position: absolute;
  inset: 50% 22px auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(22, 131, 255, 0.35), transparent);
}

.capability-board article {
  position: relative;
  min-height: 188px;
  padding: 24px;
  border: 1px solid rgba(22, 131, 255, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
  transition:
    transform 0.25s ease,
    background 0.25s ease;
}

.capability-board article:hover {
  background: #fff;
  transform: translateY(-4px);
}

.capability-board span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  color: var(--blue-deep);
  background: rgba(22, 131, 255, 0.1);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-weight: 900;
}

.showcase {
  width: min(1260px, calc(100% - 32px));
}

.case-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 22px;
}

.case-tabs button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(22, 131, 255, 0.16);
  border-radius: 999px;
  color: #40506a;
  background: rgba(255, 255, 255, 0.66);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    color 0.2s ease;
}

.case-tabs button:hover,
.case-tabs button.active {
  color: #fff;
  background: linear-gradient(135deg, #1683ff, #0b5fd3);
  transform: translateY(-2px);
}

.case-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: 22px;
  align-items: stretch;
}

.case-browser,
.case-panel,
.motion-card,
.contact-panel {
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.case-browser {
  position: relative;
  overflow: hidden;
}

.case-browser::after {
  content: "";
  position: absolute;
  inset: 48px 0 0;
  background: linear-gradient(115deg, transparent 0 42%, rgba(255, 255, 255, 0.32), transparent 58% 100%);
  transform: translateX(-120%);
  transition: transform 0.9s ease;
}

.case-stage:hover .case-browser::after {
  transform: translateX(120%);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid rgba(22, 131, 255, 0.11);
  background: rgba(246, 250, 255, 0.9);
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff6b8a;
}

.browser-bar span:nth-child(2) {
  background: #ffb84d;
}

.browser-bar span:nth-child(3) {
  background: #32d49a;
}

.browser-bar strong {
  margin-left: 8px;
  color: #627087;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 13px;
}

.case-browser img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  object-position: top center;
  transition:
    opacity 0.22s ease,
    transform 0.34s ease;
}

.case-browser img.switching {
  opacity: 0;
  transform: scale(0.985) translateY(12px);
}

.case-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
  overflow: hidden;
}

.case-panel::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 131, 255, 0.18), transparent 68%);
  animation: panelGlow 5.4s ease-in-out infinite;
}

.case-panel > * {
  position: relative;
  z-index: 1;
}

.case-panel h3 {
  margin-top: 0;
  font-size: 30px;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.case-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  color: #0b5fd3;
  background: rgba(22, 131, 255, 0.09);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-top: 32px;
  color: var(--blue-deep);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-weight: 900;
}

.text-link svg {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.text-link:hover svg {
  transform: translate(3px, -3px);
}

.motion-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  min-height: 380px;
  padding: 42px;
  overflow: hidden;
}

.motion-sample {
  position: relative;
  min-height: 300px;
}

.signal-card,
.mini-window {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 46px rgba(36, 89, 151, 0.14);
  backdrop-filter: blur(14px);
}

.signal-card {
  left: 20px;
  top: 40px;
  display: grid;
  grid-template-columns: 12px 1fr auto;
  align-items: center;
  gap: 12px;
  width: 260px;
  min-height: 76px;
  padding: 18px;
  border-radius: 22px;
  animation: signal 3.2s ease-in-out infinite;
}

.signal-card span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #32d49a;
  box-shadow: 0 0 0 8px rgba(50, 212, 154, 0.16);
}

.signal-card strong {
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  font-size: 15px;
}

.signal-card em {
  color: var(--blue-deep);
  font-family: Georgia, serif;
  font-style: normal;
  font-weight: 900;
}

.orbit-track {
  position: absolute;
  right: 44px;
  top: 14px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(22, 131, 255, 0.16);
  border-radius: 50%;
  animation: rotate 16s linear infinite;
}

.orbit-track::before,
.orbit-track::after {
  content: "";
  position: absolute;
  inset: 36px;
  border: 1px solid rgba(22, 198, 216, 0.18);
  border-radius: 50%;
}

.orbit-track::after {
  inset: 78px;
}

.orbit-track i {
  position: absolute;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, #1683ff, #16c6d8);
  box-shadow: 0 16px 30px rgba(22, 131, 255, 0.22);
}

.orbit-track i:nth-child(1) {
  left: 30px;
  top: 18px;
}

.orbit-track i:nth-child(2) {
  right: 6px;
  top: 112px;
  background: linear-gradient(135deg, #32d49a, #16c6d8);
}

.orbit-track i:nth-child(3) {
  left: 110px;
  bottom: -8px;
  background: linear-gradient(135deg, #7b61ff, #1683ff);
}

.mini-window {
  right: 50px;
  bottom: 22px;
  width: 320px;
  padding: 22px;
  border-radius: 26px;
}

.mini-window span {
  display: block;
  height: 13px;
  margin: 13px 0;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(22, 131, 255, 0.2), rgba(22, 198, 216, 0.06));
  animation: shimmer 2.4s ease-in-out infinite;
}

.mini-window span:nth-child(1) {
  width: 54%;
  height: 20px;
  background: rgba(17, 24, 39, 0.12);
}

.mini-window span:nth-child(2) {
  width: 86%;
}

.mini-window span:nth-child(3) {
  width: 74%;
  animation-delay: 0.2s;
}

.mini-window span:nth-child(4) {
  width: 62%;
  animation-delay: 0.4s;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-steps article {
  position: relative;
  min-height: 230px;
  padding: 26px;
  border-radius: 26px;
}

.process-steps article::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(22, 131, 255, 0.12), transparent 42%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.process-steps article:hover::before {
  opacity: 1;
}

.process-steps article.active-step {
  transform: translateY(-6px);
  box-shadow: 0 28px 70px rgba(36, 89, 151, 0.17);
}

.process-steps article.active-step::before {
  opacity: 1;
}

.process-steps span {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  color: #fff;
  background: #111827;
  font-family: Georgia, serif;
  font-size: 22px;
  font-weight: 900;
}

.process-steps h3,
.process-steps p {
  position: relative;
}

.why {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1.45fr);
  gap: 28px;
  align-items: start;
}

.why-list {
  display: grid;
  gap: 14px;
}

.why-list article {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 22px;
  border-radius: 24px;
}

.why-list svg {
  width: 48px;
  height: 48px;
  padding: 10px;
  border-radius: 15px;
  color: var(--blue-deep);
  background: rgba(22, 131, 255, 0.1);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  align-items: center;
  padding: 44px;
  background:
    radial-gradient(circle at 88% 10%, rgba(50, 212, 154, 0.16), transparent 18rem),
    radial-gradient(circle at 8% 90%, rgba(22, 131, 255, 0.14), transparent 20rem),
    rgba(255, 255, 255, 0.76);
}

.qr-card {
  padding: 16px;
  border: 1px solid rgba(22, 131, 255, 0.12);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 24px 52px rgba(36, 89, 151, 0.16);
  text-align: center;
}

.qr-card img {
  width: 100%;
  aspect-ratio: 1 / 1.18;
  border-radius: 20px;
  object-fit: cover;
  object-position: top center;
}

.qr-card strong,
.qr-card span {
  display: block;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
}

.qr-card strong {
  margin-top: 15px;
  font-size: 18px;
}

.qr-card span {
  margin-top: 6px;
  color: #667085;
  font-size: 13px;
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 42px;
  color: #667085;
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    sans-serif;
  text-align: center;
}

.site-footer span {
  color: var(--blue-deep);
  font-weight: 800;
}

.reveal {
  opacity: 0;
  transform: translate3d(0, calc(26px + var(--drift-y, 0px)), 0);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translate3d(0, var(--drift-y, 0px), 0);
}

.delay-1 {
  transition-delay: 0.08s;
}

.delay-2 {
  transition-delay: 0.16s;
}

.delay-3 {
  transition-delay: 0.24s;
}

@keyframes loading {
  to {
    left: 105%;
  }
}

@keyframes pulseDot {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.35);
    opacity: 1;
  }
}

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

@keyframes scanStage {
  0%,
  42% {
    transform: translateX(0) skewX(-17deg);
    opacity: 0;
  }
  55% {
    opacity: 1;
  }
  80%,
  100% {
    transform: translateX(430%) skewX(-17deg);
    opacity: 0;
  }
}

@keyframes marquee {
  to {
    transform: translateX(-100%);
  }
}

@keyframes dashFlow {
  to {
    stroke-dashoffset: -44;
  }
}

@keyframes nodeFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes coreBreath {
  0%,
  100% {
    box-shadow: 0 20px 54px rgba(22, 131, 255, 0.3), 0 0 0 0 rgba(22, 131, 255, 0.22);
  }
  50% {
    box-shadow: 0 28px 70px rgba(22, 131, 255, 0.42), 0 0 0 18px rgba(22, 131, 255, 0.06);
  }
}

@keyframes panelGlow {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-28px, 26px) scale(1.14);
  }
}

@keyframes coast {
  0%,
  100% {
    transform: translateX(0) translateY(0) rotate(-1deg);
  }
  50% {
    transform: translateX(-22px) translateY(12px) rotate(1deg);
  }
}

@keyframes floatOne {
  0%,
  100% {
    transform: translateY(0) rotate(-4deg);
  }
  50% {
    transform: translateY(-14px) rotate(-1deg);
  }
}

@keyframes floatTwo {
  0%,
  100% {
    transform: translateY(0) rotate(5deg);
  }
  50% {
    transform: translateY(16px) rotate(2deg);
  }
}

@keyframes signal {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

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

@keyframes shimmer {
  0%,
  100% {
    opacity: 0.65;
    transform: scaleX(0.98);
  }
  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@media (max-width: 1080px) {
  .motion-command {
    grid-template-columns: 1fr;
  }

  .hero,
  .capability,
  .motion-card,
  .case-stage,
  .why,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
  }

  .hero-stage {
    margin-bottom: 20px;
  }

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

  .case-browser img {
    height: 480px;
  }

  .contact-panel {
    grid-template-columns: 1fr 280px;
  }
}

@media (max-width: 820px) {
  .hero-bg::before {
    right: -140px;
    top: 92px;
    width: 680px;
    opacity: 0.09;
  }

  .section,
  .showcase {
    width: min(100% - 22px, 680px);
  }

  .hero {
    gap: 22px;
    padding-top: 108px;
  }

  .hero-copy {
    max-width: 100%;
    overflow: hidden;
  }

  .hero h1::after {
    width: 140px;
    margin-left: 150px;
  }

  .hero-lede {
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .about-grid,
  .product-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .device-stack {
    min-height: 360px;
  }

  .device-main {
    width: 100%;
    height: 280px;
    transform: none;
  }

  .device-float {
    width: 180px;
    height: 116px;
  }

  .device-one {
    left: 8px;
  }

  .device-two {
    right: 8px;
    top: 8px;
  }

  .hero-metrics {
    flex-wrap: wrap;
  }

  .intro-band,
  .services,
  .capability,
  .showcase,
  .motion-lab,
  .process,
  .why,
  .contact {
    padding: 48px 0;
  }

  .capability-board {
    grid-template-columns: 1fr;
  }

  .board-line {
    display: none;
  }

  .case-browser img {
    height: 360px;
  }

  .motion-card {
    padding: 28px;
  }

  .motion-command {
    padding: 34px 0 18px;
  }

  .command-board {
    min-height: 280px;
  }

  .node-a {
    left: 18px;
    top: 28px;
  }

  .node-b {
    right: 18px;
    top: 46px;
  }

  .node-c {
    left: 24px;
    bottom: 24px;
  }

  .motion-sample {
    min-height: 340px;
  }

  .orbit-track {
    right: 10px;
    top: 38px;
    width: 230px;
    height: 230px;
  }

  .signal-card {
    left: 0;
    top: 20px;
    width: min(260px, 78%);
  }

  .mini-window {
    right: 0;
    width: min(320px, 92%);
  }

  .contact-panel {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .qr-card {
    max-width: 320px;
  }
}

@media (max-width: 520px) {
  body {
    background:
      radial-gradient(circle at 0 0, rgba(22, 131, 255, 0.14), transparent 20rem),
      linear-gradient(180deg, #fbfdff 0%, #f3f8ff 42%, #ffffff 100%);
  }

  .site-header {
    padding: 10px 62px 10px 14px;
  }

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

  .hero h1,
  .section-heading h2,
  .capability h2,
  .motion-card h2,
  .why h2,
  .contact h2 {
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-lede {
    font-size: 15px;
    line-height: 1.85;
  }

  .hero h1::after {
    margin-left: 115px;
  }

  .btn {
    width: 100%;
  }

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

  .product-card {
    min-height: 420px;
  }

  .case-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 6px;
  }

  .case-tabs button {
    flex: 0 0 auto;
  }

  .case-panel {
    padding: 26px;
  }

  .case-panel h3 {
    font-size: 24px;
  }

  .case-browser img {
    height: 300px;
  }

  .motion-card,
  .contact-panel {
    border-radius: 24px;
  }

  .site-footer {
    padding-bottom: 30px;
  }
}

@media (hover: none), (pointer: coarse) {
  .ambient-noise {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}