:root {
  color-scheme: dark;
  --bg: #020713;
  --panel: rgba(8, 16, 34, 0.78);
  --panel-strong: rgba(10, 22, 48, 0.92);
  --line: rgba(116, 181, 255, 0.17);
  --line-hot: rgba(45, 219, 255, 0.58);
  --text: #f6fbff;
  --muted: #8fa2bf;
  --cyan: #1fd9ff;
  --blue: #2a6dff;
  --violet: #8a5cff;
  --pink: #e657ff;
  --radius: 8px;
  --shadow: 0 28px 100px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 76% 4%, rgba(61, 91, 255, 0.22), transparent 31rem),
    radial-gradient(circle at 10% 16%, rgba(31, 217, 255, 0.12), transparent 28rem),
    linear-gradient(180deg, #020713 0%, #030a17 42%, #01040b 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  content: "";
  background-image:
    linear-gradient(rgba(70, 164, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70, 164, 255, 0.035) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.34), transparent 16%, transparent 84%, rgba(0, 0, 0, 0.38));
}

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

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

button {
  color: inherit;
}

#neural-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.88;
}

.cursor-glow {
  position: fixed;
  left: var(--x, 50%);
  top: var(--y, 50%);
  z-index: 20;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(31, 217, 255, 0.72);
  border-radius: 50%;
  box-shadow: 0 0 28px rgba(31, 217, 255, 0.72);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: width 140ms ease, height 140ms ease, opacity 140ms ease;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 12;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 26px;
  padding: 18px clamp(20px, 4.5vw, 64px);
  border-bottom: 1px solid rgba(128, 185, 255, 0.11);
  background: rgba(2, 7, 19, 0.72);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(31, 217, 255, 0.28);
  border-radius: 12px;
  background: radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.8), transparent 18%), rgba(14, 28, 58, 0.7);
  box-shadow: 0 0 28px rgba(31, 217, 255, 0.28);
}

.brand-mark svg {
  width: 27px;
  height: 27px;
  fill: url("#logoGradient");
}

.brand-mark path:first-child {
  fill: #1fd9ff;
}

.brand-mark path:last-child {
  fill: #a879ff;
  opacity: 0.92;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 15px;
  letter-spacing: 0;
}

.brand small {
  margin-top: 2px;
  color: #7790b5;
  font-size: 10px;
  font-weight: 700;
}

.nav {
  justify-self: center;
  display: flex;
  gap: clamp(16px, 3.2vw, 42px);
  color: #a9b7cf;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a::after {
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 0;
  height: 3px;
  content: "";
  border-radius: 999px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  box-shadow: 0 0 16px rgba(31, 217, 255, 0.92);
  transform: translateX(-50%);
  transition: width 180ms ease;
}

.nav a:hover,
.nav a.is-active {
  color: #fff;
}

.nav a:hover::after,
.nav a.is-active::after {
  width: 38px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.home-button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(133, 181, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  color: #d8e7ff;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 850;
  white-space: nowrap;
  box-shadow: inset 0 0 18px rgba(31, 217, 255, 0.05);
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.home-button:hover {
  transform: translateY(-2px);
  border-color: rgba(31, 217, 255, 0.52);
  background: rgba(31, 217, 255, 0.08);
  color: #fff;
}

.icon-button,
.round-button {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 999px;
}

.pause-icon {
  width: 14px;
  height: 16px;
  border-inline: 4px solid var(--cyan);
  filter: drop-shadow(0 0 10px var(--cyan));
}

.is-paused .pause-icon {
  width: 0;
  height: 0;
  border-block: 8px solid transparent;
  border-left: 14px solid var(--pink);
  border-right: 0;
}

.pill-button,
.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.pill-button,
.primary-button {
  border: 0;
  background: linear-gradient(100deg, #7b4dff 0%, #155dff 48%, #1fd9ff 100%);
  color: #fff;
  box-shadow: 0 12px 36px rgba(31, 217, 255, 0.22), inset 0 0 18px rgba(255, 255, 255, 0.16);
}

.pill-button {
  padding: 0 17px;
}

.primary-button {
  padding: 0 26px;
  cursor: pointer;
}

.secondary-button {
  border: 1px solid rgba(138, 166, 205, 0.32);
  background: rgba(255, 255, 255, 0.035);
  color: #dae8ff;
  padding: 0 24px;
  cursor: pointer;
}

.secondary-button.full {
  width: 100%;
}

.hero {
  position: relative;
  display: grid;
  min-height: 94svh;
  grid-template-columns: minmax(460px, 0.9fr) minmax(460px, 1.1fr);
  align-items: center;
  gap: clamp(26px, 5vw, 78px);
  padding: 114px clamp(20px, 5vw, 62px) 70px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero h1,
.section h2 {
  margin: 0;
  letter-spacing: 0;
}

.hero h1 {
  font-size: clamp(46px, 4vw, 54px);
  line-height: 1.08;
}

.hero h1 span,
.cta h2 span {
  color: transparent;
  background: linear-gradient(90deg, #27dfff, #6d62ff, #e75bff);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-copy > p {
  max-width: 560px;
  margin: 26px 0 0;
  color: #aebcd3;
  font-size: 17px;
  line-height: 1.9;
}

.signature {
  margin: 26px 0 30px;
  color: #20e4f2;
  font-family: "Segoe Script", "Microsoft YaHei", cursive;
  font-size: clamp(26px, 3.5vw, 44px);
  text-shadow: 0 0 18px rgba(31, 217, 255, 0.56);
}

.hero-capabilities {
  display: grid;
  max-width: 500px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 34px;
  padding: 0;
  list-style: none;
  color: #b5c4da;
  font-size: 13px;
  font-weight: 700;
}

.hero-capabilities li {
  display: grid;
  justify-items: center;
  gap: 10px;
  text-align: center;
}

[data-icon] {
  display: inline-grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(151, 192, 255, 0.26);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.035);
}

[data-icon]::before {
  width: 14px;
  height: 14px;
  content: "";
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  clip-path: polygon(50% 0, 62% 34%, 100% 50%, 62% 66%, 50% 100%, 38% 66%, 0 50%, 38% 34%);
}

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

.hero-stage {
  position: relative;
  min-height: min(72svh, 690px);
  perspective: 1100px;
  transform-style: preserve-3d;
  isolation: isolate;
}

.hero-stage::before {
  position: absolute;
  inset: 9% 4% 12%;
  z-index: -1;
  content: "";
  border: 1px solid rgba(106, 116, 255, 0.32);
  border-radius: 50%;
  background: radial-gradient(circle at 54% 56%, rgba(39, 92, 255, 0.38), transparent 42%);
  box-shadow: inset 0 0 80px rgba(55, 112, 255, 0.2), 0 0 80px rgba(31, 217, 255, 0.12);
  transform: rotate(-12deg);
}

.halo {
  position: absolute;
  border: 1px solid rgba(31, 217, 255, 0.18);
  border-radius: 50%;
  pointer-events: none;
  animation: spin 18s linear infinite;
}

.halo-a {
  inset: 14% 8% 20% 6%;
}

.halo-b {
  inset: 23% 17% 27% 20%;
  border-color: rgba(231, 91, 255, 0.24);
  animation-duration: 26s;
  animation-direction: reverse;
}

.portrait-shell {
  position: absolute;
  inset: 13% 18% 22% 19%;
  overflow: hidden;
  border-radius: 50%;
  background: #061226;
  box-shadow: inset 0 0 70px rgba(31, 217, 255, 0.24), 0 26px 80px rgba(0, 0, 0, 0.4);
  transform: translateZ(30px);
}

.portrait-shell::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 56% 38%, transparent 0 22%, rgba(3, 8, 18, 0.12) 23%, rgba(3, 8, 18, 0.8) 72%),
    linear-gradient(180deg, transparent 50%, rgba(4, 10, 22, 0.86));
}

.portrait-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.05) contrast(1.08) brightness(0.9);
  transform: scale(1.36);
}

.holo-base {
  position: absolute;
  left: 28%;
  right: 25%;
  bottom: 13%;
  height: 76px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(31, 217, 255, 0.86), rgba(32, 84, 255, 0.3) 45%, transparent 72%);
  filter: blur(2px);
  box-shadow: 0 0 40px rgba(31, 217, 255, 0.58);
}

.float-panel {
  position: absolute;
  z-index: 3;
  border: 1px solid rgba(112, 180, 255, 0.28);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(22, 40, 78, 0.72), rgba(8, 16, 32, 0.58));
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.36), inset 0 0 22px rgba(31, 217, 255, 0.08);
  backdrop-filter: blur(16px);
}

.float-panel small {
  display: block;
  color: #9fb3d5;
  font-size: 10px;
  font-weight: 800;
}

.workflow-card {
  left: 13%;
  top: 24%;
  display: grid;
  gap: 9px;
  width: 160px;
  padding: 14px;
}

.workflow-card span {
  position: relative;
  padding-left: 24px;
  color: #dceaff;
  font-size: 12px;
}

.workflow-card span::before {
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 9px;
  content: "";
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  transform: translateY(-50%);
}

.image-card {
  right: 4%;
  top: 15%;
  width: 180px;
  padding: 12px;
}

.mini-preview,
.brand-card {
  background:
    radial-gradient(circle at 62% 38%, rgba(31, 217, 255, 0.38), transparent 28%),
    linear-gradient(135deg, rgba(137, 92, 255, 0.18), rgba(31, 217, 255, 0.06));
}

.mini-preview {
  height: 90px;
  margin-top: 8px;
  border-radius: 7px;
}

.model-card {
  right: 8%;
  bottom: 31%;
  display: grid;
  width: 176px;
  height: 164px;
  place-items: center;
  padding: 13px;
}

.cube {
  position: relative;
  width: 70px;
  height: 70px;
  transform: rotate(45deg);
}

.cube i {
  position: absolute;
  inset: 8px;
  display: block;
  border: 1px solid rgba(31, 217, 255, 0.8);
  background: rgba(86, 78, 255, 0.24);
  box-shadow: 0 0 22px rgba(31, 217, 255, 0.42);
}

.cube i:nth-child(2) {
  transform: translate(24px, 0);
}

.cube i:nth-child(3) {
  transform: translate(12px, 24px);
}

.brand-card {
  left: 7%;
  bottom: 26%;
  display: grid;
  width: 170px;
  height: 126px;
  place-items: center;
  padding: 12px;
}

.brand-card strong {
  color: transparent;
  background: linear-gradient(135deg, #14e6ff, #874fff);
  -webkit-background-clip: text;
  background-clip: text;
  font-size: 54px;
  filter: drop-shadow(0 0 22px rgba(31, 217, 255, 0.6));
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 22px;
  color: #8196b9;
  font-size: 12px;
  transform: translateX(-50%);
}

.scroll-hint::before {
  display: inline-block;
  width: 18px;
  height: 18px;
  margin-right: 8px;
  content: "";
  border: 1px solid rgba(141, 175, 230, 0.55);
  border-radius: 50%;
  vertical-align: -5px;
}

.section {
  width: min(1520px, calc(100% - 40px));
  scroll-margin-top: 104px;
  margin: 0 auto 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(10, 18, 36, 0.78), rgba(3, 8, 18, 0.72));
  box-shadow: var(--shadow);
  padding: clamp(32px, 4.8vw, 54px);
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-title:not(.split) {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
}

.section-title.wide {
  grid-template-columns: auto 1fr;
}

.section-title span {
  display: block;
  width: 42px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  box-shadow: 0 0 18px rgba(31, 217, 255, 0.64);
}

.section-title h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.14;
}

.section-title p {
  max-width: 480px;
  margin: 0;
  color: #8ea1bf;
  font-size: 14px;
  line-height: 1.7;
  text-align: right;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.service-card,
.process-card,
.case-card,
.metric-grid article,
.chart-card,
.calculator,
.brief-card,
.wechat-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(9, 19, 41, 0.72);
  box-shadow: inset 0 0 28px rgba(31, 217, 255, 0.035);
}

.service-card {
  position: relative;
  display: grid;
  min-height: 256px;
  align-content: space-between;
  padding: 18px;
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.service-card::after {
  position: absolute;
  inset: auto -30% -28% 12%;
  height: 90px;
  content: "";
  background: radial-gradient(circle, var(--accent), transparent 62%);
  filter: blur(24px);
  opacity: 0.28;
}

.service-card:hover,
.service-card.is-active {
  transform: translateY(-7px);
  border-color: var(--line-hot);
  background: rgba(15, 31, 68, 0.86);
}

.service-icon {
  position: relative;
  z-index: 1;
  display: grid;
  width: 96px;
  height: 96px;
  place-items: center;
  margin: 2px auto 20px;
  border-radius: 26px;
  background: radial-gradient(circle at 42% 34%, rgba(255, 255, 255, 0.28), transparent 22%), rgba(18, 42, 85, 0.7);
  color: var(--accent);
  transform: rotateX(58deg) rotateZ(45deg);
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.3), 0 0 30px color-mix(in srgb, var(--accent), transparent 50%);
}

.service-icon svg {
  width: 44px;
  height: 44px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  filter: drop-shadow(0 0 14px currentColor);
  transform: rotateZ(-45deg) rotateX(-58deg);
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.service-card p,
.service-copy p,
.process-card p,
.simulator p,
.case-card p,
.reason-list p,
.cta p,
.brief-card output,
.wechat-card p,
.calculator p {
  color: var(--muted);
  line-height: 1.7;
}

.service-card p {
  margin: 0 0 14px;
  font-size: 13px;
}

.service-card b {
  color: #b8caf0;
  font-size: 18px;
}

.service-lab {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
  overflow: hidden;
}

.service-visual {
  position: relative;
  grid-column: span 3;
  aspect-ratio: 16 / 9;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at var(--spot-x, 50%) var(--spot-y, 50%), rgba(31, 217, 255, 0.3), transparent 24rem),
    linear-gradient(135deg, rgba(28, 50, 100, 0.56), rgba(3, 8, 18, 0.72));
  overflow: hidden;
}

.work-preview {
  position: absolute;
  inset: 18px;
  overflow: hidden;
  border: 1px solid rgba(105, 178, 255, 0.24);
  border-radius: var(--radius);
  background: #071326;
  box-shadow: inset 0 0 44px rgba(31, 217, 255, 0.08);
}

.work-frame {
  position: absolute;
  inset: 0;
  background:
    var(--art-image, none) center / cover no-repeat,
    radial-gradient(circle at var(--art-x, 66%) var(--art-y, 34%), var(--art-glow, rgba(31, 217, 255, 0.48)), transparent 19%),
    linear-gradient(135deg, var(--art-a, #123b64), var(--art-b, #071326) 58%, #030916);
  transition: background 240ms ease, filter 240ms ease;
}

.work-video {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #02050b;
}

.work-frame::before,
.work-frame::after {
  position: absolute;
  content: "";
}

.work-preview.has-real-art .work-frame::before,
.work-preview.has-real-art .work-frame::after {
  display: none;
}

.work-preview.has-real-art .work-caption {
  display: none;
}

.work-preview.has-real-video .work-frame {
  display: none;
}

.work-preview.has-real-video .work-video {
  display: block;
}

.work-preview.has-real-video .work-caption {
  display: none;
}

.service-visual.has-real-art .service-orbit,
.service-visual.has-real-art .service-object,
.service-visual.has-real-video .service-orbit,
.service-visual.has-real-video .service-object {
  display: none;
}

.work-frame::before {
  left: var(--shape-left, 11%);
  top: var(--shape-top, 14%);
  width: var(--shape-w, 38%);
  height: var(--shape-h, 58%);
  border: 1px solid color-mix(in srgb, var(--art-accent, #1fd9ff), white 12%);
  border-radius: var(--shape-radius, 7px);
  background: color-mix(in srgb, var(--art-accent, #1fd9ff), transparent 82%);
  box-shadow: 0 0 42px color-mix(in srgb, var(--art-accent, #1fd9ff), transparent 56%);
  transform: var(--shape-transform, none);
}

.work-frame::after {
  right: 8%;
  bottom: 13%;
  width: 42%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--art-accent, #1fd9ff), transparent);
  box-shadow:
    0 -30px 0 rgba(255, 255, 255, 0.12),
    0 -60px 0 rgba(255, 255, 255, 0.07),
    0 30px 32px color-mix(in srgb, var(--art-accent, #1fd9ff), transparent 50%);
}

.work-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  color: #fff;
}

.work-caption small {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  border: 1px solid rgba(133, 181, 255, 0.32);
  border-radius: 999px;
  background: rgba(12, 28, 62, 0.68);
  color: #cae0ff;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 900;
}

.work-caption strong {
  max-width: 62%;
  text-align: right;
  font-size: clamp(18px, 2vw, 28px);
  line-height: 1.18;
  text-shadow: 0 0 22px rgba(0, 0, 0, 0.72);
}

.service-orbit {
  position: absolute;
  inset: 20%;
  z-index: 1;
  border: 1px dashed rgba(52, 182, 255, 0.22);
  border-radius: 50%;
  animation: spin 18s linear infinite;
  pointer-events: none;
}

.service-object {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 1;
  width: 118px;
  height: 118px;
  border: 1px solid var(--line-hot);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.18), transparent),
    radial-gradient(circle at 50% 50%, rgba(31, 217, 255, 0.34), rgba(117, 82, 255, 0.16));
  box-shadow: 0 0 52px rgba(31, 217, 255, 0.38);
  transform: translate(-50%, -50%) rotateX(58deg) rotateZ(45deg);
  pointer-events: none;
}

.service-copy {
  display: flex;
  grid-column: span 2;
  min-height: 320px;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 16, 34, 0.66);
  padding: 28px;
}

.service-copy small {
  color: var(--cyan);
  font-weight: 900;
}

.service-copy h3 {
  margin: 12px 0 0;
  font-size: clamp(30px, 4vw, 50px);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 16px;
}

.tag-row button,
.engine-row button,
.sim-tabs button {
  border: 1px solid rgba(92, 157, 255, 0.28);
  border-radius: 999px;
  background: rgba(17, 39, 84, 0.58);
  color: #c9dcff;
  font-size: 13px;
  font-weight: 800;
}

.tag-row button {
  min-height: 38px;
  padding: 8px 12px;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.tag-row button:hover,
.tag-row button.is-active {
  border-color: var(--line-hot);
  background: rgba(31, 217, 255, 0.14);
  color: #fff;
  transform: translateY(-2px);
}

.process-board {
  position: relative;
  overflow: hidden;
}

.process-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 4vw, 66px);
}

.process-card {
  position: relative;
  min-height: 244px;
  padding: 24px;
  overflow: hidden;
  cursor: pointer;
}

.process-card::after {
  position: absolute;
  right: -42px;
  bottom: -38px;
  width: 130px;
  height: 130px;
  content: "";
  border: 1px solid rgba(31, 217, 255, 0.32);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 217, 255, 0.22), transparent 64%);
}

.process-card.is-active {
  border-color: var(--line-hot);
  background: rgba(17, 37, 77, 0.86);
}

.process-card small {
  color: #9daed3;
  font-weight: 900;
}

.process-card h3 {
  margin: 20px 0 0;
  font-size: 28px;
}

.process-line {
  position: relative;
  height: 62px;
}

.process-line::before {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--cyan), var(--violet), transparent);
}

.process-line span {
  position: absolute;
  top: calc(50% - 5px);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}

.process-line span:nth-child(1) { left: 14%; }
.process-line span:nth-child(2) { left: 38%; }
.process-line span:nth-child(3) { left: 62%; }
.process-line span:nth-child(4) { left: 86%; }

.engine-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.engine-row button,
.sim-tabs button {
  min-height: 38px;
  padding: 0 16px;
  cursor: pointer;
}

.engine-row button.is-active,
.sim-tabs button.is-active {
  border-color: var(--line-hot);
  background: rgba(31, 217, 255, 0.14);
  color: #fff;
}

.simulator {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 0.58fr);
  gap: 18px;
  margin-top: 26px;
}

.simulator > div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 16, 34, 0.58);
  padding: 24px;
}

.simulator h3 {
  margin: 0;
  font-size: 30px;
}

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

.sim-output {
  display: grid;
  gap: 14px;
}

.sim-output article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
}

.sim-output b {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
}

.split {
  align-items: center;
}

.text-button {
  border: 0;
  background: transparent;
  color: #c4d6f7;
  cursor: pointer;
  font-weight: 800;
}

.case-viewport {
  overflow: hidden;
}

.case-track {
  display: flex;
  gap: 22px;
  transition: transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.case-card {
  flex: 0 0 calc((100% - 66px) / 4);
  min-height: 416px;
  overflow: hidden;
}

.case-media {
  position: relative;
  height: 226px;
  overflow: hidden;
  background: #121a2a;
}

.case-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 36%, rgba(5, 10, 20, 0.84));
}

.case-media img,
.case-media .generated-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.generated-art {
  background:
    radial-gradient(circle at 62% 35%, var(--art-a), transparent 20%),
    linear-gradient(135deg, var(--art-b), #111827);
}

.case-badge {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 1;
  border: 1px solid rgba(143, 181, 255, 0.34);
  border-radius: 999px;
  background: rgba(18, 30, 69, 0.74);
  color: #d5e5ff;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 900;
}

.case-card div:last-child {
  padding: 20px;
}

.case-card h3 {
  margin: 0 0 12px;
}

.case-card p {
  min-height: 70px;
  margin: 0 0 20px;
  font-size: 14px;
}

.case-card a {
  color: #e3edff;
  font-size: 14px;
  font-weight: 900;
}

.case-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
}

.round-button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #c4d8ff;
  font-size: 24px;
}

.dots {
  display: flex;
  gap: 10px;
}

.dots button {
  width: 34px;
  height: 4px;
  border: 0;
  border-radius: 999px;
  background: rgba(142, 168, 214, 0.22);
  cursor: pointer;
}

.dots button.is-active {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  box-shadow: 0 0 16px rgba(31, 217, 255, 0.56);
}

.why {
  display: grid;
  grid-template-columns: minmax(260px, 0.34fr) minmax(0, 0.66fr);
  gap: 34px;
}

.why h2,
.cta h2 {
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.16;
}

.reason-list {
  display: grid;
  gap: 28px;
  margin-top: 34px;
}

.reason-list article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.reason-list h3,
.reason-list p {
  margin: 0;
}

.metric-panel {
  display: grid;
  gap: 18px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.metric-grid article {
  min-height: 104px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 18px;
}

.metric-grid strong {
  font-size: clamp(30px, 4vw, 44px);
}

.metric-grid span {
  color: #a5b8d8;
  font-size: 13px;
  font-weight: 800;
}

.chart-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  padding: 18px;
}

.chart-card canvas {
  width: 100%;
  max-width: 720px;
  height: 260px;
}

.radial-score {
  display: grid;
  width: 128px;
  height: 128px;
  place-items: center;
  align-content: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, #071426 0 52%, transparent 53%),
    conic-gradient(var(--cyan) 0 83%, var(--violet) 83% 98%, rgba(75, 114, 255, 0.18) 98%);
  box-shadow: 0 0 34px rgba(31, 217, 255, 0.22);
}

.radial-score span {
  color: var(--muted);
  font-size: 12px;
}

.radial-score strong {
  font-size: 30px;
}

.chart-card ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #b9cae8;
  font-size: 13px;
  font-weight: 800;
}

.chart-card li {
  display: flex;
  gap: 8px;
  align-items: center;
}

.chart-card b {
  width: 16px;
  height: 4px;
  border-radius: 999px;
  background: var(--c);
}

.chart-card li span {
  margin-left: auto;
  color: #7f90b0;
}

.calculator {
  padding: 18px;
}

.calculator label {
  display: flex;
  justify-content: space-between;
  color: #dce8ff;
  font-weight: 800;
}

.calculator input {
  width: 100%;
  margin: 18px 0;
  accent-color: var(--cyan);
}

.calculator p {
  margin: 0;
}

.cta {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.55fr);
  align-items: center;
  gap: 28px;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 50%, rgba(31, 217, 255, 0.18), transparent 25rem),
    linear-gradient(180deg, rgba(10, 22, 48, 0.86), rgba(3, 8, 18, 0.72));
}

.cta h2,
.cta p {
  margin: 0;
}

.cta p {
  max-width: 560px;
  margin-top: 24px;
}

.cta .hero-actions {
  margin-top: 34px;
}

.brief-card {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.brief-card label {
  display: grid;
  gap: 8px;
  color: #cfe0ff;
  font-size: 13px;
  font-weight: 900;
}

.brief-card select,
.brief-card textarea {
  width: 100%;
  border: 1px solid rgba(142, 178, 236, 0.24);
  border-radius: var(--radius);
  background: rgba(4, 10, 22, 0.72);
  color: #f6fbff;
  outline: none;
  padding: 12px;
  resize: vertical;
}

.brief-card output {
  min-height: 70px;
  display: block;
  border-radius: var(--radius);
  background: rgba(31, 217, 255, 0.07);
  padding: 14px;
}

.wechat-card {
  position: relative;
  display: grid;
  gap: 16px;
  justify-items: center;
  align-content: center;
  overflow: hidden;
  padding: 28px 24px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 20%, rgba(31, 217, 255, 0.13), transparent 16rem),
    rgba(9, 19, 41, 0.72);
}

.wechat-card::before {
  position: absolute;
  inset: 14px;
  content: "";
  border: 1px solid rgba(31, 217, 255, 0.46);
  border-radius: 12px;
  box-shadow:
    0 0 18px rgba(31, 217, 255, 0.24),
    inset 0 0 22px rgba(31, 217, 255, 0.08);
  pointer-events: none;
}

.wechat-qr {
  position: relative;
  z-index: 1;
  width: min(100%, 228px);
  aspect-ratio: 1;
  border: 1px solid rgba(226, 243, 255, 0.9);
  border-radius: 12px;
  background: #fff;
  padding: 10px;
  box-shadow:
    0 18px 52px rgba(0, 0, 0, 0.36),
    0 0 28px rgba(31, 217, 255, 0.22);
}

.wechat-qr img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wechat-copy {
  position: relative;
  z-index: 1;
  max-width: 340px;
}

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

.wechat-copy h3 {
  margin: 10px 0 0;
  font-size: 24px;
}

.wechat-copy p {
  margin: 10px 0 14px;
  font-size: 14px;
}

.wechat-copy a {
  color: #dceaff;
  font-weight: 900;
}

.footer {
  position: relative;
  display: grid;
  width: min(1520px, calc(100% - 40px));
  grid-template-columns: 1.2fr repeat(3, minmax(150px, 0.7fr));
  gap: 34px;
  margin: 0 auto;
  padding: 42px 28px 64px;
  color: #8fa2bf;
}

.footer h3 {
  margin: 0 0 14px;
  color: #dbe8ff;
  font-size: 15px;
}

.footer a,
.footer span:not(.brand-mark) {
  display: block;
  margin: 9px 0;
  font-size: 13px;
}

.copyright {
  position: absolute;
  left: 28px;
  bottom: 18px;
  margin: 0;
  font-size: 12px;
}

.to-top {
  position: absolute;
  right: 20px;
  bottom: 18px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
}

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

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

  .nav {
    display: none;
  }

  .header-actions {
    justify-self: end;
  }

  .hero,
  .why,
  .cta,
  .simulator,
  .service-lab {
    grid-template-columns: 1fr;
  }

  .service-visual,
  .service-copy {
    grid-column: auto;
  }

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

  .case-card {
    flex-basis: calc((100% - 22px) / 2);
  }
}

@media (max-width: 760px) {
  .cursor-glow {
    display: none;
  }

  .site-header {
    padding: 14px 18px;
  }

  .pill-button {
    display: none;
  }

  .home-button {
    width: 42px;
    padding: 0;
  }

  .home-button-label {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 104px 20px 64px;
  }

  .hero h1 {
    font-size: clamp(42px, 13vw, 64px);
  }

  .hero-capabilities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-items: start;
  }

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

  .workflow-card,
  .image-card,
  .model-card,
  .brand-card {
    transform: scale(0.84);
  }

  .workflow-card {
    left: -4%;
  }

  .image-card,
  .model-card {
    right: -8%;
  }

  .section {
    width: calc(100% - 24px);
    padding: 24px 18px;
    border-radius: 14px;
  }

  .section-title,
  .section-title:not(.split),
  .section-title.wide {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-title p {
    text-align: left;
  }

  .service-grid,
  .process-cards,
  .metric-grid,
  .chart-card,
  .footer {
    grid-template-columns: 1fr;
  }

  .process-line {
    display: none;
  }

  .case-card {
    flex-basis: 100%;
  }

  .chart-card canvas {
    height: 220px;
  }

  .footer {
    width: calc(100% - 24px);
    padding-inline: 10px;
  }
}

@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;
  }
}