:root {
  color-scheme: dark;
  --ink: #f5f7fb;
  --muted: #a9b1c1;
  --dim: #737d91;
  --surface: #0d111a;
  --surface-soft: #111722;
  --line: rgba(255, 255, 255, 0.11);
  --blue: #4f86ff;
  --blue-bright: #78a2ff;
  --page: #07090f;
  --max: 1180px;
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 76% 14%, rgba(55, 112, 255, 0.16), transparent 28rem),
    var(--page);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 68%);
}

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

:focus-visible {
  outline: 3px solid var(--blue-bright);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--page);
  font-weight: 750;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(7, 9, 15, 0.78);
  backdrop-filter: blur(18px);
}

.nav-shell {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  object-fit: cover;
  box-shadow: 0 0 28px rgba(54, 119, 255, 0.32);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #bec5d2;
  font-size: 0.925rem;
}

.nav-links a {
  transition: color .2s ease;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: white;
}

.language-link {
  padding-inline-start: 26px;
  border-inline-start: 1px solid var(--line);
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

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

.button-primary {
  background: var(--ink);
  color: #090b11;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.035);
  color: var(--ink);
}

.button[data-pending="true"] {
  cursor: default;
  opacity: 0.58;
}

.button[data-pending="true"]::after {
  content: "Soon";
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  color: var(--muted);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

.menu-button {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: transparent;
  color: white;
}

.menu-button span,
.menu-button::after {
  width: 18px;
  height: 1px;
  display: block;
  background: currentColor;
  content: "";
}

.menu-button span {
  margin-bottom: 6px;
}

.hero {
  min-height: calc(100svh - 74px);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr);
  align-items: center;
  gap: clamp(48px, 7vw, 100px);
  padding-block: 90px 72px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: var(--blue-bright);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1 {
  max-width: 770px;
  margin: 0;
  font-size: clamp(3.5rem, 7.2vw, 6.9rem);
  line-height: .93;
  letter-spacing: -.072em;
}

.hero h1 span {
  display: block;
  color: var(--blue-bright);
}

html[lang="zh-CN"] .hero h1 {
  font-size: clamp(3.2rem, 8vw, 6rem);
  letter-spacing: -.052em;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 630px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 52px;
  color: var(--dim);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.proof-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.proof-row span::before {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.portrait-stage {
  position: relative;
  min-height: 600px;
}

.portrait-card {
  position: absolute;
  inset: 0 0 0 8%;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 220px 220px 30px 30px;
  background: #181b21;
  box-shadow: 0 30px 100px rgba(0,0,0,.42);
}

.portrait-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,7,12,.84), transparent 45%);
  content: "";
}

.portrait-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 28%;
}

.portrait-caption {
  position: absolute;
  z-index: 2;
  right: 30px;
  bottom: 28px;
  left: 30px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.portrait-caption strong {
  display: block;
  font-size: 1.15rem;
}

.portrait-caption span {
  color: #b9c1ce;
  font-size: .82rem;
}

.portrait-caption b {
  color: var(--blue-bright);
  font-size: 3.4rem;
  line-height: .8;
  letter-spacing: -.08em;
}

.floating-note {
  position: absolute;
  z-index: 5;
  top: 27%;
  left: -18px;
  width: 168px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(14,18,28,.9);
  box-shadow: 0 18px 50px rgba(0,0,0,.3);
  backdrop-filter: blur(12px);
}

.floating-note small,
.floating-note strong {
  display: block;
}

.floating-note small {
  color: var(--dim);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.floating-note strong {
  margin-top: 6px;
  font-size: .9rem;
  line-height: 1.35;
}

.section {
  padding-block: clamp(88px, 11vw, 150px);
  scroll-margin-top: 72px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .52fr);
  align-items: end;
  gap: 50px;
  margin-bottom: 56px;
}

.section-heading.compact {
  margin-bottom: 44px;
}

.section-heading .eyebrow,
.experiments .eyebrow,
.about .eyebrow,
.contact-panel .eyebrow {
  margin-bottom: 20px;
}

.section h2 {
  margin: 0;
  font-size: clamp(2.65rem, 5.4vw, 5.25rem);
  line-height: .98;
  letter-spacing: -.06em;
}

.section-heading > p,
.experiment-copy > p,
.about-copy > p,
.contact-panel > p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.product-panel {
  display: grid;
  grid-template-columns: minmax(0, .82fr) minmax(440px, 1.18fr);
  gap: clamp(36px, 6vw, 84px);
  padding: clamp(30px, 5vw, 64px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 32px;
  background:
    radial-gradient(circle at 75% 40%, rgba(54,119,255,.16), transparent 42%),
    linear-gradient(145deg, #0e131e, #090c13);
  box-shadow: 0 34px 90px rgba(0,0,0,.28);
}

.product-label {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #9ba6ba;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #57d99c;
  box-shadow: 0 0 18px rgba(87,217,156,.8);
}

.product-logo {
  width: 82px;
  height: 82px;
  margin: 36px 0 20px;
  border-radius: 24px;
  object-fit: cover;
  box-shadow: 0 18px 55px rgba(34,109,255,.3);
}

.product-copy h3 {
  margin: 0;
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: -.06em;
}

.product-tagline {
  margin: 20px 0 16px;
  color: white;
  font-size: 1.2rem;
  font-weight: 650;
  line-height: 1.4;
}

.product-copy > p:not(.product-tagline) {
  margin: 0;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0;
}

.tag-row span,
.explore-list span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #bcc4d2;
  font-size: .76rem;
  font-weight: 700;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(120,162,255,.45);
  color: var(--blue-bright);
  font-weight: 800;
}

.product-window {
  align-self: center;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 22px;
  background: #090c13;
  box-shadow: 0 28px 80px rgba(0,0,0,.38);
  transform: rotate(1.2deg);
}

.window-top {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: #10151f;
}

.window-top i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3b4352;
}

.window-top span {
  margin-left: 8px;
  color: #707b90;
  font-size: .7rem;
  font-weight: 700;
}

.workflow-card {
  display: grid;
  gap: 10px;
  padding: 18px;
}

.workflow-line {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255,255,255,.025);
}

.workflow-line.active {
  border-color: rgba(79,134,255,.48);
  background: rgba(54,119,255,.1);
}

.workflow-line > b {
  color: var(--blue-bright);
  font-size: .72rem;
}

.workflow-line strong,
.workflow-line small {
  display: block;
}

.workflow-line strong {
  font-size: .87rem;
}

.workflow-line small {
  color: var(--dim);
  font-size: .69rem;
}

.workflow-line em {
  color: #9ca7ba;
  font-size: .65rem;
  font-style: normal;
  font-weight: 750;
}

.channel-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  background: #0f141e;
}

.channel-row span {
  padding: 16px 10px;
  border-right: 1px solid var(--line);
  color: #c2c9d5;
  font-size: .68rem;
  font-weight: 700;
  text-align: center;
}

.channel-row span:last-child {
  border: 0;
}

.channel-row b {
  display: block;
  margin-top: 3px;
  color: #57d99c;
  font-size: .58rem;
  text-transform: uppercase;
}

.experiments {
  width: 100%;
  border-block: 1px solid var(--line);
  background: linear-gradient(110deg, rgba(54,119,255,.09), transparent 48%), #0a0d14;
}

.experiments-inner {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, .7fr);
  gap: clamp(50px, 10vw, 140px);
  align-items: center;
}

.experiment-copy {
  padding-left: 30px;
  border-left: 1px solid rgba(120,162,255,.38);
}

.explore-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 24px;
}

.experiment-copy small {
  display: block;
  color: var(--dim);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
}

.service-grid article {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  padding: clamp(26px, 3.5vw, 44px);
  border-right: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255,255,255,.035), transparent 55%);
}

.service-grid article:last-child {
  border: 0;
}

.service-grid article > span {
  color: var(--blue-bright);
  font-size: .72rem;
  font-weight: 800;
}

.service-grid h3 {
  margin: auto 0 18px;
  font-size: 1.55rem;
  letter-spacing: -.035em;
}

.service-grid p {
  margin: 0 0 28px;
  color: var(--muted);
}

.service-grid small {
  color: var(--dim);
  font-size: .7rem;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.about {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1fr);
  gap: clamp(54px, 9vw, 130px);
  align-items: center;
}

.about-photo {
  max-height: 650px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #15181e;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-copy > p {
  max-width: 660px;
  margin-top: 28px;
  font-size: 1.1rem;
}

.about-copy blockquote {
  margin: 44px 0 32px;
  padding: 0 0 0 24px;
  border-left: 2px solid var(--blue);
  color: #dfe5ef;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  font-weight: 650;
  letter-spacing: -.03em;
}

.signature strong,
.signature span {
  display: block;
}

.signature span {
  color: var(--dim);
  font-size: .78rem;
}

.contact-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 8vw, 96px);
  border: 1px solid rgba(120,162,255,.28);
  border-radius: 34px;
  background:
    radial-gradient(circle at 82% 30%, rgba(78,135,255,.26), transparent 28rem),
    #0e1420;
}

.contact-panel::after {
  position: absolute;
  top: -120px;
  right: -80px;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(120,162,255,.25);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 60px rgba(79,134,255,.035), 0 0 0 120px rgba(79,134,255,.02);
}

.contact-panel h2 {
  max-width: 790px;
}

.contact-panel > p {
  max-width: 610px;
  margin: 26px 0 34px;
}

.contact-panel > * {
  position: relative;
  z-index: 2;
}

.contact-panel > small {
  display: block;
  margin-top: 18px;
  color: var(--dim);
}

.site-footer {
  padding-block: 34px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 44px;
}

.footer-inner > div:first-child strong,
.footer-inner > div:first-child span {
  display: block;
}

.footer-inner > div:first-child span,
.footer-inner small {
  color: var(--dim);
  font-size: .75rem;
}

.footer-links {
  display: flex;
  gap: 20px;
  color: #aeb6c5;
  font-size: .8rem;
}

:focus-visible {
  outline: 3px solid var(--blue-bright);
  outline-offset: 4px;
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 74px;
    right: 20px;
    left: 20px;
    display: none;
    align-items: stretch;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #0d111a;
    box-shadow: 0 24px 70px rgba(0,0,0,.45);
  }

  .nav-links[data-open="true"] {
    display: grid;
  }

  .language-link {
    padding: 12px 0 0;
    border: 0;
    border-top: 1px solid var(--line);
  }

  .menu-button {
    display: grid;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 72px;
  }

  .hero h1 {
    font-size: clamp(3.35rem, 15vw, 6rem);
  }

  html[lang="zh-CN"] .hero h1 {
    font-size: clamp(3.1rem, 8.4vw, 4.6rem);
  }

  .portrait-stage {
    min-height: 620px;
  }

  .portrait-card {
    inset-inline: 3%;
  }

  .section-heading,
  .experiments-inner,
  .about {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: start;
  }

  .product-panel {
    grid-template-columns: 1fr;
  }

  .product-window {
    transform: none;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .service-grid article {
    min-height: 260px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .about-photo {
    max-height: 520px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav-shell {
    min-height: 66px;
  }

  .nav-links {
    top: 66px;
    right: 14px;
    left: 14px;
  }

  .hero {
    min-height: auto;
    padding-block: 58px 56px;
  }

  .hero h1 {
    letter-spacing: -.062em;
  }

  html[lang="zh-CN"] .hero h1 {
    font-size: clamp(3rem, 14vw, 4.5rem);
    letter-spacing: -.05em;
  }

  .hero-actions .button {
    width: 100%;
  }

  .proof-row {
    display: grid;
    gap: 8px;
    margin-top: 38px;
  }

  .portrait-stage {
    min-height: 500px;
  }

  .portrait-card {
    inset-inline: 0;
    border-radius: 150px 150px 26px 26px;
  }

  .portrait-caption {
    right: 22px;
    bottom: 22px;
    left: 22px;
  }

  .portrait-caption b {
    font-size: 2.8rem;
  }

  .floating-note {
    top: 30%;
    left: -4px;
  }

  .section {
    padding-block: 82px;
  }

  .section-heading {
    gap: 24px;
    margin-bottom: 36px;
  }

  .product-panel {
    padding: 24px 18px;
    border-radius: 24px;
  }

  .workflow-line {
    grid-template-columns: 28px 1fr;
  }

  .workflow-line em {
    display: none;
  }

  .channel-row {
    grid-template-columns: 1fr;
  }

  .channel-row span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .experiment-copy {
    padding: 24px 0 0;
    border-top: 1px solid rgba(120,162,255,.38);
    border-left: 0;
  }

  .service-grid article {
    min-height: 240px;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}