:root {
  --blue:#00ade5;
  --ink:#252830;
  --muted:#737780;
  --serif:"Songti SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Microsoft YaHei",sans-serif;
}
* {
  box-sizing:border-box;
}
body {
  margin:0;
  color:var(--ink);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.7;
}
button,a {
  -webkit-tap-highlight-color:transparent;
}
button {
  font:inherit;
  cursor:pointer;
}
a {
  color:inherit;
  text-decoration:none;
}
img {
  display:block;
  max-width:100%;
  height:auto;
}
button {
  color:inherit;
}
button:focus-visible,a:focus-visible,[tabindex]:focus-visible {
  outline:3px solid var(--blue);
  outline-offset:5px;
}
[hidden] {
  display:none!important;
}
h1,h2,h3,p {
  margin:0;
}
.skip-link {
  position:fixed;
  top:8px;
  left:8px;
  z-index:20;
  background:#fff;
  padding:8px 16px;
  transform:translateY(-200%);
}
.skip-link:focus {
  transform:none;
}
.site-header {
  background:#f7f8fa;
}
.header-inner {
  max-width:1400px;
  margin:auto;
  min-height:100px;
  padding:14px 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand {
  display:block;
}
.brand img {
  width:170px;
  height:auto;
}
.brand span {
  display:block;
  font-size:12px;
  color:#737780;
  margin-top:7px;
  letter-spacing:.05em;
}
nav a {
  font-size:14px;
  letter-spacing:.15em;
}
nav a:hover {
  color:var(--blue);
}
nav a span {
  margin-left:12px;
}
.menu-toggle {
  display:none;
}
.hero {
  position:relative;
  background:#344d50;
  color:#fff;
  height:clamp(520px,calc(100svh - 100px),850px);
  overflow:hidden;
}
.hero-slide {
  height:100%;
  position:relative;
}
.hero picture,.hero picture img {
  width:100%;
  height:100%;
}
.hero picture {
  display:block;
  position:absolute;
  inset:0;
}
.hero picture img {
  object-fit:cover;
}
.hero-copy {
  position:relative;
  max-width:1200px;
  padding:0 30px;
  margin:auto;
  height:100%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  transform:translateY(-15px);
  pointer-events:none;
  text-shadow:0 1px 8px #0002;
  font-family:var(--serif);
}
.hero-copy p {
  font-size:40px;
  line-height:1.5;
  margin-bottom:14px;
}
.hero-copy h1,.hero-copy h2 {
  font-size:52px;
  font-weight:500;
  line-height:1.4;
  letter-spacing:.02em;
}
.hero-controls {
  position:absolute;
  bottom:22px;
  left:50%;
  transform:translateX(-50%);
  display:flex;
  align-items:center;
  gap:16px;
}
.dots {
  display:flex;
  gap:4px;
}
.dot {
  padding:8px;
  border:0;
  background:transparent;
  display:grid;
  place-items:center;
  width:26px;
  height:30px;
}
.dot:after {
  content:"";
  display:block;
  width:9px;
  height:9px;
  background:#3339;
  border-radius:50%;
  transition:background .2s,transform .2s;
}
.dot.is-active:after {
  background:var(--blue);
  transform:scale(1.12);
}
.autoplay-toggle {
  background:#0003;
  color:#fff;
  border:1px solid #ffffff70;
  border-radius:50%;
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  font-size:12px;
  padding:0;
}
.section-container {
  max-width:1280px;
  margin:auto;
  padding-left:30px;
  padding-right:30px;
}
.section-heading {
  text-align:center;
  margin-bottom:48px;
}
.section-heading h2 {
  font-family:var(--serif);
  font-weight:500;
  font-size:36px;
  line-height:1.5;
}
.section-heading p {
  color:var(--muted);
  margin-top:20px;
  line-height:1.9;
}
.products {
  padding-top:80px;
  padding-bottom:85px;
}
.product-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:28px;
}
.product-card {
  position:relative;
  overflow:hidden;
  isolation:isolate;
  aspect-ratio:555/387;
  color:#fff;
  background:#dfe3e5;
}
.product-card>img {
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .6s;
}
.product-card:after {
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background:linear-gradient(0deg,#161b2aca,transparent 70%);
  opacity:.7;
  transition:opacity .3s;
}
.product-copy {
  position:absolute;
  z-index:1;
  bottom:28px;
  left:30px;
  right:25px;
}
.tag {
  background:#2493e0;
  padding:3px 9px;
  display:inline-block;
  font-size:12px;
  line-height:1.7;
}
.product-copy h3 {
  font-family:var(--serif);
  font-weight:600;
  font-size:23px;
  line-height:1.55;
  margin-top:10px;
}
.product-copy h3 span {
  white-space:nowrap;
}
.product-detail {
  display:grid;
  grid-template-rows:0fr;
  opacity:0;
  max-height:0;
  overflow:hidden;
  transition:max-height .35s,opacity .35s;
}
.product-detail p {
  font-size:13px;
  margin-top:12px;
}


.product-card:hover>img {
  transform:scale(1.035);
}
.product-card:hover:after {
  opacity:1;
}
.product-card:hover .product-detail {
  display:block;
  max-height:120px;
  opacity:1;
}

.scenarios {
  padding:50px 24px 40px;
  background:#fafbfc;
}
.scenarios .section-heading {
  margin-bottom:26px;
}
.scene-tabs {
  max-width:760px;
  margin:0 auto 28px;
  display:flex;
  justify-content:space-between;
  gap:12px;
}
.scene-tabs button {
  background:none;
  border:0;
  border-bottom:2px solid transparent;
  padding:10px 8px;
  color:var(--muted);
  font-size:17px;
  white-space:nowrap;
}
.scene-tabs button[aria-selected=true] {
  color:var(--ink);
  border-color:var(--blue);
}
.scene-viewer {
  max-width:1000px;
  margin:auto;
  position:relative;
  background:#edf0f2;
  aspect-ratio:2;
}
.scene-panel img {
  width:100%;
  height:100%;
  object-fit:cover;
}
.scene-arrow {
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:42px;
  height:48px;
  border:0;
  background:#fffE;
  font-size:34px;
  font-family:var(--sans);
  line-height:1;
  border-radius:2px;
  box-shadow:0 2px 12px #0001;
  transition:background .2s;
}
.scene-arrow:hover {
  background:#fff;
}
.scene-arrow.previous {
  left:16px;
}
.scene-arrow.next {
  right:16px;
}
.scene-counter {
  display:flex;
  align-items:center;
  justify-content:center;
  gap:15px;
  margin-top:28px;
  color:#9a9ea4;
  font-size:12px;
  letter-spacing:.1em;
}
.scene-counter span:first-child {
  color:var(--ink);
}
.counter-line {
  width:40px;
  height:1px;
  background:#c8cdd2;
}
.videos {
  padding-top:80px;
  padding-bottom:85px;
}
.video-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:28px;
}
.video-card {
  border:0;
  padding:0;
  position:relative;
  aspect-ratio:16/10;
  background:#252b32;
  overflow:hidden;
  text-align:left;
  color:#fff;
}
.video-card>img {
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s;
}
.video-card:after {
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,#000B,transparent 70%);
}
.video-card:hover>img {
  transform:scale(1.04);
}
.play-icon {
  position:absolute;
  left:50%;
  top:45%;
  transform:translate(-50%,-50%);
  display:grid;
  place-items:center;
  border:1px solid #fff9;
  border-radius:50%;
  width:50px;
  height:50px;
  padding-left:3px;
  background:#0002;
  font-size:15px;
  z-index:1;
}
.video-caption {
  position:absolute;
  bottom:18px;
  left:20px;
  right:20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  z-index:1;
  font-size:14px;
}
.video-caption small {
  color:#d3d7dc;
  font-size:11px;
}
.site-footer {
  padding:70px 24px 64px;
  text-align:center;
  background:#181b31;
  color:#9b9da9;
  font-size:12px;
}
.site-footer p {
  margin-bottom:16px;
}
.footer-links {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}
.footer-links a {
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-links a:hover {
  color:#fff;
}
.footer-links img {
  width:20px;
  height:20px;
}
.noscript-note {
  text-align:center;
  padding:15px;
  background:#eef6fa;
}
@media (hover:none) {
  .product-detail {
    display:block;
    max-height:120px;
    opacity:1;
  }
  .product-detail p {
    font-size:12px;
  }

}
@media (max-width:900px) {
  .hero-copy p {
    font-size:32px;
  }
  .hero-copy h1,.hero-copy h2 {
    font-size:42px;
  }
  .section-heading h2 {
    font-size:30px;
  }
  .product-copy {
    left:20px;
    right:16px;
    bottom:20px;
  }
  .product-copy h3 {
    font-size:20px;
  }
  .product-copy h3 span {
    display:block;
    font-size:17px;
  }
  .video-grid {
    gap:16px;
  }
  .video-caption {
    left:12px;
    right:12px;
    font-size:12px;
  }
  .video-caption small {
    display:none;
  }
}
@media (max-width:640px) {
  .header-inner {
    padding:15px 22px;
    min-height:88px;
    position:relative;
  }
  .brand img {
    width:145px;
  }
  .brand span {
    font-size:10px;
  }
  .menu-toggle {
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:6px;
    width:42px;
    height:42px;
    border:0;
    background:none;
    padding:9px;
  }
  .menu-toggle span {
    height:2px;
    width:24px;
    background:var(--ink);
    transition:transform .2s;
  }
  .menu-toggle[aria-expanded=true] span:first-child {
    transform:translateY(4px) rotate(45deg);
  }
  .menu-toggle[aria-expanded=true] span:last-child {
    transform:translateY(-4px) rotate(-45deg);
  }
  nav {
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    z-index:5;
    padding:22px;
    border-top:1px solid #e9ecef;
    box-shadow:0 10px 15px #0001;
  }
  nav.is-open {
    display:block;
  }
  .hero {
    height:auto;
    aspect-ratio:1/1.285;
    min-height:0;
  }
  .hero-slide {
    position:absolute;
    inset:0;
  }
  .hero-copy {
    justify-content:flex-end;
    align-items:center;
    text-align:center;
    padding:0 16px 59px;
    transform:none;
  }
  .hero-copy p {
    font-size:20px;
    margin-bottom:5px;
  }
  .hero-copy h1,.hero-copy h2 {
    font-size:29px;
    letter-spacing:0;
  }
  .hero-controls {
    bottom:12px;
  }
  .section-container {
    padding-left:20px;
    padding-right:20px;
  }
  .products {
    padding-top:52px;
    padding-bottom:50px;
  }
  .section-heading {
    margin-bottom:30px;
  }
  .section-heading h2 {
    font-size:28px;
  }
  .section-heading p {
    font-size:13px;
    margin-top:15px;
  }
  .product-grid {
    grid-template-columns:1fr;
    gap:20px;
  }
  .product-copy h3 {
    font-size:22px;
  }
  .product-copy h3 span {
    font-size:18px;
    display:inline;
  }
  .product-detail {
    display:block;
    max-height:90px;
    opacity:1;
  }
  .product-detail p {
    font-size:11px;
    margin-top:7px;
  }

  .scenarios {
    padding:42px 20px 30px;
  }
  .scenarios h2 {
    font-size:26px;
    max-width:310px;
    margin:auto;
  }
  .scene-tabs {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:3px 15px;
    margin-bottom:22px;
  }
  .scene-tabs button {
    font-size:15px;
    padding:8px 2px;
  }
  .scene-viewer {
    aspect-ratio:1.6;
  }
  .scene-panel,.scene-panel img {
    height:100%;
  }
  .scene-arrow {
    width:30px;
    height:38px;
    font-size:26px;
  }
  .scene-arrow.previous {
    left:8px;
  }
  .scene-arrow.next {
    right:8px;
  }
  .videos {
    padding-top:48px;
    padding-bottom:50px;
  }
  .video-grid {
    grid-template-columns:1fr;
    gap:20px;
  }
  .video-card {
    aspect-ratio:16/9;
  }
  .video-caption {
    font-size:15px;
    left:20px;
    right:20px;
  }
  .video-caption small {
    display:block;
  }
  .site-footer {
    padding:40px 20px;
    font-size:11px;
  }
  .footer-links {
    gap:12px;
  }
  .site-footer p {
    font-size:10px;
  }
}
@media (prefers-reduced-motion:reduce) {
  *,*:before,*:after {
    transition:none!important;
    animation:none!important;
    scroll-behavior:auto!important;
  }
}
