@font-face {
  font-family: ForgeDisplay;
  src: url("./Orbitron.ttf") format("truetype");
  font-weight: 400 900;
  font-display: swap;
}
:root {
  color-scheme: dark;
  --bg: #050506;
  --surface: #121214;
  --text: #f5f5f7;
  --muted: #a1a1a6;
  --brand: #0071e3;
  --brand-hover: #0068d1;
  --line: rgba(255, 255, 255, 0.14);
  --font-system:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-height: 68px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 28px);
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-system);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
}
h1,
h2,
h3,
p {
  margin: 0;
}
svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex="0"]:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 5px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[hidden] {
  display: none !important;
}
.wrap {
  width: min(1120px, calc(100% - 96px));
  margin-inline: auto;
}
.quiet {
  color: var(--muted);
}
.eyebrow {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 100;
  background: var(--brand);
  padding: 10px 16px;
  border-radius: 8px;
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: none;
}
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  z-index: 30;
  border-bottom: 1px solid transparent;
  background: rgba(5, 5, 6, 0.8);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  transition:
    border-color 0.3s,
    background 0.3s;
}
.scrolled .site-header {
  border-color: var(--line);
  background: rgba(5, 5, 6, 0.91);
}
.nav-inner {
  max-width: 1200px;
  width: calc(100% - 96px);
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  flex-shrink: 0;
}
.brand img {
  border-radius: 7px;
}
.wordmark {
  font-family: ForgeDisplay, var(--font-system);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}
.brand-cn {
  font-size: 13px;
  color: var(--muted);
  padding-left: 10px;
  border-left: 1px solid var(--line);
}
nav {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-link {
  font-size: 13px;
  color: #c6c6ca;
  display: flex;
  align-items: center;
  min-height: 44px;
  transition: color 0.2s;
}
.nav-link:hover {
  color: white;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 48px;
  padding: 0 25px;
  background: var(--brand);
  color: #fff;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.2;
  transition:
    background 0.22s,
    transform 0.22s var(--ease),
    box-shadow 0.22s;
  white-space: nowrap;
}
.button:hover {
  background: var(--brand-hover);
  box-shadow: 0 5px 24px rgba(10, 132, 255, 0.16);
}
.button:active {
  transform: scale(0.97);
}
.button svg {
  transition: transform 0.3s var(--ease);
}
.button:hover svg {
  transform: translateX(3px);
}
.button-small {
  font-size: 12px;
  min-height: 44px;
  padding: 0 17px;
  gap: 10px;
}
.button-small span {
  font-size: 16px;
}
.phone-frame {
  position: relative;
  border: 5px solid #29292c;
  border-radius: 42px;
  overflow: hidden;
  background: #000;
  box-shadow:
    0 0 0 1px #4c4c50,
    0 0 0 3px #111113,
    0 25px 45px rgba(0, 0, 0, 0.22);
}
.phone-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 36px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  pointer-events: none;
}
.phone-frame img {
  width: 100%;
  height: auto;
}
.light-section {
  background: #f5f5f7;
  color: #1d1d1f;
  --muted: #68686e;
  --line: rgba(0, 0, 0, 0.1);
  color-scheme: light;
}
.manifesto {
  padding: 130px 0 110px;
}
.manifesto > .wrap > .eyebrow {
  margin-bottom: 24px;
  color: #636368;
}
h2 {
  font-size: 58px;
  font-weight: 600;
  line-height: 1.23;
}
.section-intro {
  font-size: 20px;
  line-height: 1.75;
  color: #68686e;
  margin-top: 28px;
}
.experience {
  margin-top: 58px;
}
.experience-nav {
  display: flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 5px;
  gap: 3px;
  border-radius: 999px;
  background: #e7e7ec;
  margin-bottom: 30px;
}
.experience-tab {
  position: relative;
  border: 0;
  border-radius: 999px;
  min-height: 44px;
  padding: 0 25px;
  color: #57575d;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  transition:
    background 0.3s,
    color 0.3s,
    box-shadow 0.3s;
}
.experience-tab[aria-selected="true"] {
  background: #fff;
  color: #1d1d1f;
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.08);
}
.experience-tab:hover:not([aria-selected="true"]) {
  color: #111;
  background: rgba(255, 255, 255, 0.4);
}
.experience-panels {
  border-radius: 32px;
  background: #fff;
  overflow: hidden;
}
.experience-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 610px;
  animation: panel-in 0.55s var(--ease);
}
.panel-copy {
  padding: 62px 32px 62px 64px;
  align-self: center;
}
.panel-index {
  display: block;
  color: #86868b;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  margin-bottom: 35px;
}
.panel-copy h3 {
  font-size: 36px;
  font-weight: 600;
  line-height: 1.35;
}
.panel-copy > p {
  font-size: 17px;
  color: #68686e;
  line-height: 1.85;
  margin-top: 22px;
}
.feature-list {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  color: #535358;
  font-size: 13px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}
.feature-list li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #a3a3a8;
}
.panel-visual {
  background: #ebebee;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 52px;
  max-height: 650px;
  overflow: hidden;
  position: relative;
}
.panel-visual .phone-frame {
  width: 260px;
  flex-shrink: 0;
  transform: translateY(18px);
  border-radius: 39px;
  box-shadow:
    0 0 0 1px #4c4c50,
    0 0 0 3px #111113,
    0 35px 70px rgba(0, 0, 0, 0.18);
}
.screen-caption {
  font-size: 12px;
  color: #68686e;
  margin-top: 16px;
  text-align: right;
}
.belong {
  padding: 65px 0 130px;
}
.belong > .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  border-top: 1px solid var(--line);
  padding-top: 90px;
}
.belong .eyebrow {
  color: #636368;
  margin-bottom: 24px;
}
.belong-copy {
  padding-top: 48px;
}
.belong-copy p {
  font-size: 18px;
  color: #68686e;
  line-height: 1.85;
}
.belong-copy p:first-child {
  font-size: 22px;
  color: #29292c;
  margin-bottom: 24px;
  font-weight: 500;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  color: #0672d2;
  font-size: 15px;
  margin-top: 26px;
}
.text-link:hover {
  text-decoration: underline;
}
.text-link span {
  font-size: 18px;
}
.invitation {
  text-align: center;
  padding: 105px 0 112px;
}
.invite-icon {
  border-radius: 16px;
  margin: 0 auto 32px;
}
.invitation h2 {
  font-size: 58px;
}
.invitation p {
  color: var(--muted);
  font-size: 18px;
  margin: 24px 0 28px;
}
.site-footer {
  color: #8f8f96;
  background: #0a0a0b;
  font-size: 12px;
  padding: 0 0 28px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 35px 0 25px;
  border-bottom: 1px solid var(--line);
}
.footer-top .wordmark {
  font-size: 19px;
  color: #d6d6db;
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.footer-links a {
  min-height: 44px;
  display: flex;
  align-items: center;
}
.site-footer a:hover {
  color: var(--text);
}
.service-details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.service-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  cursor: pointer;
  list-style: none;
  color: #a0a0a6;
}
.service-details summary::-webkit-details-marker {
  display: none;
}
.service-details summary > span {
  font-size: 20px;
  font-weight: 300;
  transition: transform 0.25s;
}
.service-details[open] summary > span {
  transform: rotate(45deg);
}
.service-details > div {
  max-width: 840px;
  padding: 2px 0 20px;
  line-height: 1.85;
}
.service-details p + p {
  margin-top: 8px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
  line-height: 1.7;
}
.footer-bottom > a {
  min-height: 44px;
  display: flex;
  align-items: center;
}
.motion-ready .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.8s var(--ease),
    transform 0.8s var(--ease);
}
.motion-ready .reveal.in-view {
  opacity: 1;
  transform: none;
}
@keyframes panel-in {
  from {
    opacity: 0.55;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (max-width: 1100px) {
  .wrap,
  .nav-inner {
    width: calc(100% - 64px);
  }
  h2 {
    font-size: 48px;
  }
  .panel-copy {
    padding: 44px 24px 44px 40px;
  }
  .panel-copy h3 {
    font-size: 32px;
  }
  .experience-panel {
    min-height: 600px;
  }
  .belong > .wrap {
    gap: 40px;
  }
  .belong-copy p {
    font-size: 17px;
  }
  .belong-copy p:first-child {
    font-size: 20px;
  }
}
@media (max-width: 760px) {
  :root {
    --header-height: 60px;
  }
  .wrap,
  .nav-inner {
    width: calc(100% - 40px);
  }
  .brand {
    gap: 8px;
  }
  .brand img {
    width: 26px;
    height: 26px;
  }
  .brand .wordmark {
    font-size: 19px;
  }
  .brand-cn,
  .nav-about {
    display: none;
  }
  nav {
    gap: 18px;
  }
  .nav-link {
    font-size: 12px;
  }
  .button-small {
    min-height: 44px;
    padding-inline: 14px;
  }
  .manifesto {
    padding: 82px 0 72px;
  }
  h2 {
    font-size: 40px;
  }
  .manifesto > .wrap > .eyebrow {
    font-size: 13px;
    margin-bottom: 20px;
  }
  .section-intro {
    font-size: 17px;
    margin-top: 22px;
  }
  .desktop-break {
    display: none;
  }
  .experience {
    margin-top: 36px;
  }
  .experience-nav {
    width: 100%;
    gap: 0;
    padding: 4px;
    margin-bottom: 20px;
  }
  .experience-tab {
    flex: 1;
    min-height: 44px;
    padding: 0 8px;
    font-size: 13px;
  }
  .experience-panels {
    border-radius: 24px;
  }
  .experience-panel {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .panel-copy {
    padding: 34px 30px 32px;
  }
  .panel-index {
    margin-bottom: 20px;
    font-size: 11px;
  }
  .panel-copy h3 {
    font-size: 30px;
  }
  .panel-copy > p {
    font-size: 15px;
    line-height: 1.8;
    margin-top: 18px;
  }
  .feature-list {
    margin-top: 22px;
    font-size: 12px;
  }
  .feature-list li {
    margin-top: 9px;
  }
  .panel-visual {
    height: 490px;
    padding-top: 28px;
  }
  .panel-visual .phone-frame {
    width: 235px;
    transform: none;
    border-radius: 35px;
  }
  .screen-caption {
    text-align: center;
    font-size: 12px;
    margin-top: 15px;
  }
  .belong {
    padding: 25px 0 80px;
  }
  .belong > .wrap {
    display: block;
    padding-top: 58px;
  }
  .belong .eyebrow {
    font-size: 13px;
  }
  .belong-copy {
    padding-top: 32px;
  }
  .belong-copy p {
    font-size: 16px;
  }
  .belong-copy p:first-child {
    font-size: 19px;
  }
  .invitation {
    padding: 80px 0;
  }
  .invitation h2 {
    font-size: 42px;
  }
  .invitation p {
    font-size: 16px;
    margin-top: 22px;
  }
  .invite-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin-bottom: 30px;
  }
  .footer-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-top: 28px;
  }
  .footer-links {
    gap: 24px;
    font-size: 12px;
  }
  .footer-top .brand-cn {
    display: block;
  }
  .footer-bottom {
    display: block;
    font-size: 11px;
    padding-top: 20px;
  }
  .footer-bottom > a {
    min-height: 44px;
  }
  .service-details {
    font-size: 11px;
  }
}
@media (max-width: 374px) {
  .wrap,
  .nav-inner {
    width: calc(100% - 32px);
  }
  nav {
    gap: 12px;
  }
  .brand img {
    display: none;
  }
  .nav-link {
    font-size: 11px;
  }
  .button-small {
    padding-inline: 12px;
    font-size: 11px;
    gap: 6px;
  }
  h2 {
    font-size: 34px;
  }
  .section-intro {
    font-size: 15px;
  }
  .panel-copy {
    padding: 30px 24px;
  }
  .panel-copy h3 {
    font-size: 27px;
  }
  .panel-copy > p {
    font-size: 14px;
  }
  .experience-tab {
    font-size: 12px;
  }
  .panel-visual {
    height: 450px;
  }
  .panel-visual .phone-frame {
    width: 215px;
  }
  .invitation h2 {
    font-size: 36px;
  }
  .footer-links {
    gap: 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
}

/* First screen: a single animated brand object, with all app screenshots below. */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: calc(100svh - var(--header-height));
  min-height: max(700px, calc(100svh - var(--header-height)));
  max-height: 1000px;
  padding: 34px 0 66px;
  text-align: center;
  overflow: clip;
  isolation: isolate;
}
.hero-art {
  width: 390px;
  height: 284px;
  position: relative;
  flex-shrink: 0;
  margin-bottom: 25px;
  animation: emblem-appear 1.3s var(--ease) both;
}
.hero-emblem {
  position: absolute;
  width: 390px;
  height: 390px;
  max-width: none;
  top: -64px;
  left: 0;
  stroke: none;
  overflow: visible;
  filter: drop-shadow(0 14px 25px rgba(0, 0, 0, 0.6));
  transform: none;
}
.hero-aura {
  position: absolute;
  width: 290px;
  height: 240px;
  left: 50%;
  top: 9px;
  transform: translateX(-50%);
  background: radial-gradient(
    ellipse,
    rgba(72, 113, 173, 0.12),
    transparent 67%
  );
  filter: blur(18px);
  animation: aura-breathe 7s ease-in-out infinite;
}
.hero-shadow {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 170px;
  height: 5px;
  background: radial-gradient(
    ellipse,
    rgba(141, 164, 204, 0.26),
    transparent 70%
  );
  filter: blur(6px);
  animation: shadow-breathe 7s ease-in-out infinite;
}
.hero-sheen {
  animation: light-pass 5.8s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}
.hero-copy {
  position: relative;
  z-index: 2;
}
.hero-copy .eyebrow {
  color: #9da4b0;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 3px;
  margin-bottom: 20px;
  animation: hero-arrive 1s 0.12s var(--ease) both;
}
h1 {
  font-size: 72px;
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -2px;
}
h1 .quiet {
  color: #aeb5c2;
}
.hero-copy h1 {
  animation: hero-arrive 1.15s 0.2s var(--ease) both;
}
.hero-intro {
  font-size: 18px;
  color: #969daa;
  margin-top: 23px;
  animation: hero-arrive 1.1s 0.3s var(--ease) both;
}
.hero-cta {
  margin-top: 29px;
  animation: hero-arrive 1.1s 0.4s var(--ease) both;
}
.motion-toggle {
  position: absolute;
  bottom: 24px;
  right: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: #8f98a7;
  background: transparent;
  border: 1px solid #2a2e35;
  border-radius: 50%;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.motion-toggle:hover {
  color: #fff;
  border-color: #6b7789;
}
.motion-toggle svg {
  width: 18px;
  height: 18px;
}
.motion-toggle .play-symbol {
  display: none;
}
.motion-toggle[aria-pressed="true"] .play-symbol {
  display: block;
}
.motion-toggle[aria-pressed="true"] .pause-symbol {
  display: none;
}
.animation-paused .hero-art *,
.animation-paused .hero-art {
  animation-play-state: paused;
}
@keyframes hero-arrive {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes emblem-appear {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes light-pass {
  0% {
    transform: translateX(-10px) skewX(-18deg);
    opacity: 0;
  }
  12% {
    opacity: 0.8;
  }
  48% {
    transform: translateX(640px) skewX(-18deg);
    opacity: 0.8;
  }
  60%,
  100% {
    transform: translateX(640px) skewX(-18deg);
    opacity: 0;
  }
}
@keyframes aura-breathe {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}
@keyframes shadow-breathe {
  0%,
  100% {
    transform: translateX(-50%);
    opacity: 0.8;
  }
  50% {
    transform: translateX(-50%);
    opacity: 0.4;
  }
}
@media (min-width: 1600px) {
  .hero {
    padding-bottom: 78px;
  }
  .hero-art {
    width: 420px;
    height: 304px;
    margin-bottom: 28px;
  }
  .hero-emblem {
    width: 420px;
    height: 420px;
    top: -70px;
  }
  h1 {
    font-size: 80px;
  }
}
@media (max-width: 760px) {
  .hero {
    min-height: max(660px, calc(100svh - var(--header-height)));
    padding: 24px 0 60px;
  }
  .hero-art {
    width: 310px;
    height: 226px;
    margin-bottom: 27px;
  }
  .hero-emblem {
    width: 310px;
    height: 310px;
    top: -52px;
  }
  .hero-aura {
    width: 240px;
    height: 200px;
  }
  .hero-shadow {
    width: 130px;
  }
  .hero-copy .eyebrow {
    font-size: 11px;
    letter-spacing: 2px;
    margin-bottom: 19px;
  }
  h1 {
    font-size: 48px;
    letter-spacing: -1.5px;
  }
  h1 > span {
    display: block;
  }
  .hero-intro {
    font-size: 15px;
    margin-top: 20px;
  }
  .hero-cta {
    margin-top: 25px;
  }
  .motion-toggle {
    width: 44px;
    height: 44px;
    right: 20px;
    bottom: 18px;
  }
}
@media (max-width: 374px) {
  .hero {
    min-height: 640px;
  }
  .hero-art {
    width: 270px;
    height: 192px;
  }
  .hero-emblem {
    width: 270px;
    height: 270px;
    top: -48px;
  }
  h1 {
    font-size: 44px;
  }
  .hero-intro {
    font-size: 14px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .hero-art,
  .hero-art *,
  .hero-copy > * {
    animation: none !important;
  }
  .hero-sheen {
    display: none;
  }
  .motion-toggle {
    display: none;
  }
  .hero-shadow {
    transform: translateX(-50%);
  }
}

@media (min-width: 375px) and (max-width: 760px) {
  .site-header .brand-cn {
    display: block;
    font-size: 11px;
    padding-left: 8px;
  }
  nav {
    gap: 14px;
  }
}