:root {
  --ink: #07101f;
  --navy: #0c1d37;
  --panel: #102848;
  --line: rgba(132, 183, 255, 0.22);
  --blue: #2184ff;
  --cyan: #62cfff;
  --text: #eff7ff;
  --muted: #a9bdd7;
  --wrap: 1180px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin: auto;
}
.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  background: rgba(7, 16, 31, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.brand span {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand b {
  font-size: 21px;
  letter-spacing: 1px;
}
.brand small {
  margin-top: 5px;
  color: #7693b8;
  font-size: 10px;
  letter-spacing: 1px;
}
nav {
  display: flex;
  gap: 36px;
  height: 76px;
  align-items: center;
}
nav a {
  height: 100%;
  padding: 0 2px;
  display: flex;
  align-items: center;
  position: relative;
  color: #bbcae1;
  font-size: 14px;
  transition: 0.2s;
}
nav a:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transition: 0.2s;
}
nav a:hover,
nav a.active {
  color: #fff;
}
nav a.active:after {
  transform: scaleX(1);
}
.hero {
  min-height: 577px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(
      ellipse at 72% 43%,
      rgba(35, 125, 255, 0.19),
      transparent 37%
    ),
    linear-gradient(120deg, #0c1c35 0%, #07101f 71%);
}
.hero-gridline {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(137, 189, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(137, 189, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 76%);
}
.hero-rings {
  position: absolute;
  width: 760px;
  height: 760px;
  right: -185px;
  top: -175px;
  border: 1px solid rgba(80, 163, 255, 0.17);
  border-radius: 50%;
  box-shadow:
    0 0 0 72px rgba(80, 163, 255, 0.045),
    0 0 0 144px rgba(80, 163, 255, 0.04),
    0 0 0 216px rgba(80, 163, 255, 0.03);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 68px;
  align-items: center;
  min-height: 577px;
  padding: 76px 0;
}
.eyebrow {
  margin: 0 0 15px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 2px;
}
.eyebrow:before {
  content: "";
  height: 1px;
  width: 31px;
  background: var(--cyan);
}
.hero h1 {
  margin: 0;
  color: #f5faff;
  font-size: clamp(42px, 4.3vw, 66px);
  line-height: 1.16;
  letter-spacing: 1px;
}
.hero h1 span {
  display: block;
  margin-top: 8px;
  background: linear-gradient(95deg, #8fe2ff, #3388ff);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}
.hero-copy > p:not(.eyebrow) {
  max-width: 500px;
  margin: 23px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 13px;
  margin-top: 29px;
}
.btn {
  min-height: 48px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: bold;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}
.btn:hover {
  transform: translateY(-3px);
}
.btn img {
  width: 17px;
  filter: brightness(0) invert(1);
}
.primary {
  background: linear-gradient(125deg, #1d9bff, #1763f2);
  box-shadow: 0 10px 24px rgba(22, 107, 255, 0.3);
}
.outline {
  border-color: #4e9dff;
  color: #bfe8ff;
  background: rgba(28, 82, 152, 0.12);
}
.outline i {
  font-style: normal;
  font-size: 18px;
}
.hero-proof {
  display: flex;
  gap: 0;
  margin: 44px 0 0;
}
.hero-proof > div {
  min-width: 120px;
  padding: 0 22px;
  border-left: 1px solid var(--line);
}
.hero-proof > div:first-child {
  padding-left: 0;
  border: 0;
}
.hero-proof dt {
  color: #e8f7ff;
  font-size: 18px;
  font-weight: bold;
}
.hero-proof dd {
  margin: 6px 0 0;
  color: #7f9bbd;
  font-size: 11px;
}
.app-stage {
  height: 390px;
  padding: 38px 24px 22px;
  position: relative;
  border: 1px solid rgba(113, 178, 255, 0.35);
  background: linear-gradient(
    145deg,
    rgba(24, 68, 119, 0.55),
    rgba(6, 17, 34, 0.75)
  );
  box-shadow:
    0 25px 70px rgba(0, 0, 0, 0.32),
    inset 0 1px rgba(255, 255, 255, 0.08);
}
.app-stage:before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(120, 185, 255, 0.12);
  pointer-events: none;
}
.app-stage img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 18px 18px rgba(0, 0, 0, 0.26));
}
.stage-cap {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 18px;
  color: #72b8ff;
  font-size: 9px;
  letter-spacing: 1.8px;
}
.stage-line {
  position: absolute;
  width: 64px;
  height: 64px;
  border-color: #6cc5ff;
  opacity: 0.65;
}
.stage-line.l1 {
  top: -1px;
  right: -1px;
  border-top: 2px solid;
  border-right: 2px solid;
}
.stage-line.l2 {
  bottom: -1px;
  left: -1px;
  border-bottom: 2px solid;
  border-left: 2px solid;
}
.capabilities {
  padding: 100px 0;
  background: #0a172b;
}
.centered {
  justify-content: center;
}
.centered:before {
  display: none;
}
.capabilities h2,
.process h2,
.contact h2,
.updates h2 {
  margin: 0;
  color: #f5faff;
  font-size: 34px;
  line-height: 1.25;
}
.lead {
  text-align: center;
  margin: 12px 0 38px;
  color: #8ea9c8;
  font-size: 14px;
}
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.cap-grid article {
  min-height: 206px;
  padding: 28px 30px;
  position: relative;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(15, 42, 77, 0.25);
  transition: 0.25s;
}
.cap-grid article:hover {
  background: linear-gradient(
    135deg,
    rgba(37, 130, 255, 0.17),
    rgba(17, 50, 94, 0.22)
  );
  transform: translateY(-4px);
}
.cap-grid i {
  display: block;
  color: #62cfff;
  font-style: normal;
  font-size: 12px;
  letter-spacing: 1px;
}
.cap-grid h3 {
  margin: 35px 0 9px;
  color: #f3f8ff;
  font-size: 19px;
}
.cap-grid p {
  max-width: 270px;
  margin: 0;
  color: #9eb4cf;
  font-size: 13px;
  line-height: 1.75;
}
.cap-grid span {
  position: absolute;
  right: 28px;
  bottom: 23px;
  color: #68caff;
  font-size: 20px;
}
.process {
  padding: 100px 0;
  background: linear-gradient(120deg, #07101f, #0d2443);
}
.process-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 42px;
}
.process-heading .eyebrow {
  margin-bottom: 12px;
}
.process-heading > p {
  margin: 0;
  color: #91a9c5;
  line-height: 1.75;
  text-align: right;
  font-size: 13px;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.process-grid article {
  min-height: 215px;
  padding: 28px 26px;
  position: relative;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 32, 60, 0.3);
}
.process-grid article:first-child {
  border-left: 1px solid var(--line);
}
.process-grid b {
  color: #62cfff;
  font-size: 12px;
  letter-spacing: 1px;
}
.process-grid h3 {
  margin: 52px 0 12px;
  font-size: 18px;
}
.process-grid p {
  margin: 0;
  color: #9bb1cc;
  font-size: 13px;
  line-height: 1.75;
}
.contact {
  padding: 100px 0;
  background: #0a172b;
}
.contact-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: center;
}
.contact h2 {
  font-size: 43px;
}
.contact h2 span {
  color: #63c8ff;
}
.contact-intro > p:last-child {
  color: #9eb2ca;
  line-height: 1.8;
  font-size: 14px;
}
.contact-list {
  border-top: 1px solid var(--line);
}
.contact-list article {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}
.contact-list i {
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  border: 1px solid #3c93ed;
  color: #6dcaff;
  font-style: normal;
  font-weight: bold;
}
.contact-list small {
  display: block;
  color: #8ea9c9;
  font-size: 11px;
}
.contact-list b {
  display: block;
  margin-top: 5px;
  color: #eff8ff;
  font-size: 16px;
}
.contact-list button {
  padding: 8px 13px;
  border: 1px solid #3c91e8;
  background: transparent;
  color: #83caff;
  font-size: 12px;
}
.updates {
  padding: 100px 0 112px;
  background: #07101f;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: 30px;
}
.section-heading .eyebrow {
  margin-bottom: 12px;
}
.section-heading > span {
  color: #7894b4;
  font-size: 12px;
}
.update-list {
  border-top: 1px solid var(--line);
}
.update-item {
  border-bottom: 1px solid var(--line);
  background: rgba(11, 30, 57, 0.2);
  transition: 0.2s;
}
.update-item:hover {
  background: rgba(30, 86, 153, 0.2);
}
.update-toggle {
  width: 100%;
  min-height: 75px;
  padding: 0 19px;
  display: grid;
  grid-template-columns: 135px 1fr 1.25fr;
  gap: 20px;
  align-items: center;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
}
.update-toggle time {
  color: #65c4ff;
  font-size: 12px;
  letter-spacing: 1px;
}
.update-toggle b {
  color: #eff7ff;
  font-size: 15px;
}
.update-toggle span {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #9ab0ca;
  font-size: 13px;
}
.update-toggle i {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid #3f8cde;
  border-radius: 50%;
  color: #75c9ff;
  font-style: normal;
  font-size: 17px;
  transition: 0.2s;
}
.update-detail {
  max-height: 0;
  padding: 0 174px;
  overflow: hidden;
  color: #9db3cd;
  font-size: 13px;
  line-height: 1.8;
  transition:
    max-height 0.25s,
    padding 0.25s;
}
.update-item.expanded {
  background: linear-gradient(
    90deg,
    rgba(23, 85, 157, 0.32),
    rgba(9, 23, 43, 0.3)
  );
}
.update-item.expanded .update-detail {
  max-height: 100px;
  padding: 0 174px 20px;
}
.update-item.expanded .update-toggle i {
  background: #2184ff;
  color: #fff;
  transform: rotate(45deg);
}
footer {
  padding: 43px 0 31px;
  border-top: 1px solid var(--line);
  background: #050b15;
}
.footer-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 38px;
  align-items: center;
}
.footer-inner > p {
  color: #7892b2;
  font-size: 12px;
}
.footer-inner > div {
  display: flex;
  justify-content: center;
  gap: 23px;
  color: #9db0c9;
  font-size: 12px;
}
.footer-inner > small {
  color: #6e83a1;
  font-size: 11px;
}
.toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 15px);
  padding: 10px 17px;
  background: #2184ff;
  color: white;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}
@media (max-width: 800px) {
  .wrap {
    width: min(var(--wrap), calc(100% - 32px));
  }
  .nav {
    min-height: 62px;
  }
  .brand b {
    font-size: 17px;
  }
  .brand small {
    display: none;
  }
  nav {
    height: 62px;
    gap: 14px;
  }
  nav a {
    font-size: 12px;
  }
  .hero {
    min-height: auto;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    padding: 90px 0 50px;
    gap: 38px;
  }
  .app-stage {
    height: auto;
    aspect-ratio: 1.36;
    padding: 36px 17px 16px;
  }
  .hero-proof {
    margin-top: 32px;
  }
  .capabilities,
  .process,
  .contact,
  .updates {
    padding: 70px 0;
  }
  .cap-grid,
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cap-grid article {
    min-height: 185px;
    padding: 23px;
  }
  .process-heading,
  .contact-inner {
    display: block;
  }
  .process-heading > p {
    margin-top: 17px;
    text-align: left;
  }
  .process-grid article {
    min-height: 175px;
  }
  .contact-intro {
    margin-bottom: 35px;
  }
  .update-toggle {
    grid-template-columns: 92px 1fr;
    gap: 10px;
    padding: 14px;
  }
  .update-toggle span {
    grid-column: 2;
    color: #91a9c7;
  }
  .update-detail,
  .update-item.expanded .update-detail {
    padding-left: 116px;
    padding-right: 14px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .footer-inner > div {
    justify-content: flex-start;
  }
  .footer-inner > p {
    margin: 0;
  }
}
@media (max-width: 500px) {
  .site-header {
    position: relative;
  }
  .nav {
    gap: 6px;
  }
  .brand img {
    width: 32px;
    height: 32px;
  }
  .brand b {
    font-size: 15px;
  }
  nav {
    gap: 10px;
  }
  nav a {
    font-size: 11px;
  }
  .hero h1 {
    font-size: 39px;
  }
  .hero-proof > div {
    min-width: auto;
    padding: 0 13px;
  }
  .hero-proof dt {
    font-size: 14px;
  }
  .hero-proof dd {
    font-size: 10px;
  }
  .cap-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }
  .capabilities h2,
  .process h2,
  .updates h2 {
    font-size: 29px;
  }
  .contact h2 {
    font-size: 37px;
  }
  .update-toggle {
    grid-template-columns: 1fr;
  }
  .update-toggle span {
    grid-column: 1;
  }
  .update-detail,
  .update-item.expanded .update-detail {
    padding-left: 14px;
  }
  .footer-inner > div {
    gap: 15px;
    flex-wrap: wrap;
  }
}