/* ---------- Container ---------- */
.container{
  max-width:1512px;          /* logical CSS width of a 16" MacBook Pro — caps body content; centered on larger monitors */
  width:100%;
  margin:0 auto;
  padding:0 clamp(20px, 4vw, 80px);
}
/* Navigation shares .container but must keep its original full width — do NOT cap the nav to 1512. */
.nav .container{max-width:156rem}

/* ---------- Buttons (base flex layout) ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 22px;border-radius:100px;
  font-family:var(--sans);
  font-size:14.5px;font-weight:500;
  transition:all .25s ease;
  white-space:nowrap;
}

.section-link{
  font-family:var(--sans);
  font-size:14.5px;font-weight:500;color:var(--blue);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .2s;
}
.section-link:hover{border-color:var(--blue)}
.section-link-light{
  font-family:var(--sans);
  font-size:14.5px;font-weight:500;color:#7aa7ff;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .2s;
  display:inline-flex;align-items:center;gap:6px;
  align-self:flex-start;
}
.section-link-light:hover{border-color:#7aa7ff}
.section-link-deep{
  font-family:var(--sans);
  font-size:14.5px;font-weight:500;color:var(--blue-deep);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color .2s;
  display:inline-flex;align-items:center;gap:6px;
}
.section-link-deep:hover{border-color:var(--blue-deep)}

/* ---------- NAV (layout) ---------- */
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:inline-flex;align-items:center}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-right{display:flex;align-items:center}

/* ---------- HERO (layout) ---------- */
.hero{
  position:sticky;
  top:0;
  z-index:10;
  height:100vh;
  display:flex;align-items:center;
  color:var(--white);
  overflow:hidden;
  padding-top:120px;padding-bottom:80px;
  background:#0a1530;
}
.hero-inner{
  position:relative;z-index:3;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
}
.hero-cta{
  display:flex;gap:14px;flex-wrap:wrap;
  justify-content:center;
}

/* ---------- HERO MOSAIC (layout) ---------- */
.hero-mosaic{
  position:absolute;inset:0;z-index:4;
  background:#ffffff;
  opacity:0;
  pointer-events:none;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:32px 0;
  gap:24px;
}
.mosaic-row{
  display:flex;
  align-items:center;
  width:100%;
  padding:0 20px;
}
.mosaic-row.row-3,
.mosaic-row.row-4{justify-content:space-around}
.mosaic-row.row-2,
.mosaic-row.row-5{justify-content:space-between}
.mosaic-row.text-row{
  justify-content:center;
  padding:8px 0;
}
.mosaic-tile{
  width:160px;height:160px;
  border-radius:16px;
  overflow:hidden;
  flex-shrink:0;
  background:#f0f4ff;
}
@media (max-width:1100px){
  .mosaic-tile{width:120px;height:120px}
}
@media (max-width:640px){
  .mosaic-tile{width:80px;height:80px}
  .mosaic-row{padding:0 12px}
}

/* ---------- Section head (layout) ---------- */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:64px;gap:24px;flex-wrap:wrap;
}
.section-head-right{display:flex;align-items:center;gap:24px;flex-wrap:wrap}

/* ---------- PRODUCTS carousel (layout) ---------- */
.carousel-controls{display:flex;gap:8px}
.carousel-view-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--sans);
  font-size: 14px;        /* 与 .nav-link 一致 */
  font-weight: 500;       /* 与 .nav-link 一致 */
  color: #6b7280;
  text-decoration: none;
  transition: color 0.2s;
  white-space: nowrap;
}
.carousel-view-all:hover {
  color: #0f172a;
}
.capabilities-view-all {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  color: #6b7280;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(107,114,128,0.4);
  transition: color 0.2s, text-decoration-color 0.2s;
}
.capabilities-view-all:hover {
  color: #0f172a;
  text-decoration-color: rgba(15,23,42,0.6);
}
.carousel-btn{
  display:flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.carousel-track{
  display:flex;
  gap:0;
  align-items:flex-start;
  transition:transform .55s cubic-bezier(0.2,0.8,0.2,1);
}
.carousel-slide{
  flex:none;
  min-width:0;
}
.carousel-track{
  display:flex;
  gap:0;
  align-items:stretch;
  transform:none;
  width:100%;
}
/* Track holds all slides in a row */
.c-track{
  display:flex;
  gap:0;  /* 去掉卡片间隙 */
  align-items:stretch;
  width:100%;
  transition:transform 0.4s ease;
}
.c-slide{
  flex:1;
  margin:0;
  aspect-ratio:1/1;
  position:relative;
  overflow:hidden;
  background:#ffffff;
  cursor:pointer;
}

/* 大屏：每张 slide 占 25% 减去 gap，显示4个完整卡片，隐藏箭头，View All 保持显示 */
@media (min-width: 1200px) {
  .c-slide {
    flex: 0 0 25%;
    min-width: 25%;
  }
  .carousel-controls {
    display: none;
  }
  .carousel-view-all {
    display: inline-flex;
  }
}

/* 中屏：显示约2个，提示可以滑动 */
@media (min-width: 768px) and (max-width: 1199px) {
  .c-slide {
    flex: 0 0 50%;
    min-width: 50%;
  }
}

/* 小屏：显示约1.2个 */
@media (max-width: 767px) {
  .c-slide {
    flex: 0 0 85%;
    min-width: 85%;
  }
}

/* 小于1200px显示箭头 */
@media (max-width: 1199px) {
  .carousel-controls {
    display: flex;
  }
}

/* ---------- FEATURES TILES (layout) ---------- */
.ft-grid{
  display:flex;
  width:100%;
  height:480px;
}
.ft-tile{
  position:relative;
  flex:1;
  overflow:hidden;
  cursor:pointer;
  filter:brightness(0.35);
  transition:flex .45s ease, filter .35s ease;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;
  color:#ffffff;
}
.ft-tile.active{
  flex:2.2;
  filter:brightness(1);
}
.ft-content{
  position:relative;
  z-index:2;
  display:flex;flex-direction:column;gap:10px;
  max-width:520px;
}
.ft-btn{
  display:none;
  align-self:flex-start;
  font-family:var(--sans);
  font-size:13.5px;font-weight:500;
  color:#ffffff;
  padding:8px 16px;
  border:1px solid rgba(255,255,255,0.4);
  border-radius:100px;
  margin-top:8px;
  transition:background .2s ease, border-color .2s ease;
}

/* ---------- INDUSTRIES (layout) ---------- */
.industries-top{
  display:grid;grid-template-columns:1.2fr 1fr;gap:80px;
  align-items:end;margin-bottom:72px;
}
.industries-layout{
  display:flex;
  align-items:stretch;
  gap:60px;
  min-height:700px;
}
.industries-list{
  flex:1;
  min-width:0;
  padding-right:40px;
  border-top:1px solid var(--border-dark);
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.industries-line{
  display:flex;align-items:flex-start;gap:20px;
  padding:24px 0;border-bottom:1px solid var(--border-dark);
  font-family:var(--sans);font-weight:800;
  font-size:clamp(28px,4vw,52px);
  line-height:1.1;letter-spacing:-0.02em;
  color:var(--white);
  transition:color .25s ease;
  cursor:pointer;
}
.industries-line .idx{
  font-family:var(--sans);font-weight:500;
  font-size:13px;color:rgba(255,255,255,0.4);
  letter-spacing:0.06em;
  width:32px;flex:none;
  transition:color .25s ease;
  padding-top:6px;
}
.industries-line .ind-text{
  flex:1;display:flex;flex-direction:column;gap:6px;
}
.ind-product-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
  margin-top:4px;
}

/* ---------- INSIGHTS (layout) ---------- */
.insights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.icard{
  background:var(--white);
  border:1px solid var(--border-light);
  border-radius:12px;
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .35s ease, box-shadow .35s ease, border-color .2s;
}
.icard-body{
  padding:24px 26px 26px;
  display:flex;flex-direction:column;flex:1;
}
.icard h3{
  font-family:var(--sans);font-weight:600;
  font-size:20px;letter-spacing:-0.01em;line-height:1.3;
  color:var(--black);margin-bottom:20px;flex:1;
}
.insights-foot{margin-top:36px;display:flex;justify-content:flex-end}

/* ---------- EMAIL BAR (layout) ---------- */
.email-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.email-form{display:flex;gap:10px;min-width:380px}
.email-form input{
  flex:1;background:#1a1a1a;border:1px solid #2a2a2a;
  color:var(--white);padding:14px 18px;border-radius:100px;
  font-family:var(--sans);font-size:14.5px;
  transition:border-color .2s;
}

/* ---------- FOOTER (layout) ---------- */
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:48px;margin-bottom:64px}
.cert-pills{display:flex;flex-wrap:wrap;gap:6px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-bottom{
  font-family:var(--sans);
  border-top:1px solid #1f1f1f;padding-top:28px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;
  font-size:13px;color:rgba(255,255,255,0.45);
}

/* ---------- Floating action bar (layout) ---------- */
.fab{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%);
  z-index:300;
  background:var(--white);
  border-radius:100px;
  padding:8px 14px;
  display:flex;align-items:center;gap:6px;
  box-shadow:0 10px 30px rgba(0,0,0,0.18), 0 2px 6px rgba(0,0,0,0.08);
}
.fab-btn{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#333;background:transparent;
  transition:background .2s ease, color .2s ease, transform .2s ease;
}

/* ---------- Back to top (layout) ---------- */
.back-top{
  position:fixed;right:28px;bottom:28px;
  width:44px;height:44px;border-radius:50%;
  background:var(--white);
  border:1px solid var(--border-light);
  box-shadow:0 6px 18px rgba(0,0,0,0.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--black);
  opacity:0;pointer-events:none;
  transition:opacity .3s ease, background .2s ease, color .2s ease, transform .2s ease;
  z-index:300;
}

/* ---------- PLATFORM timeline (layout) ---------- */
.timeline-steps{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:24px;
  position:relative;
  z-index:1;
}
.timeline-step{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  padding-top:0;
}
.timeline-dot{
  width:14px;height:14px;
  border-radius:50%;
  background:var(--blue);
  border:3px solid rgba(37,99,235,0.25);
  box-shadow:0 0 0 4px rgba(37,99,235,0.1);
  margin-bottom:20px;
  flex-shrink:0;
  position:relative;
  z-index:2;
}
.process-card-link{
  font-family:var(--sans);
  font-size:13px;font-weight:600;
  color:rgba(255,255,255,.7);
  text-decoration:none;
  display:inline-flex;align-items:center;gap:4px;
  transition:color .2s;
}
.plat-trust{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:0;
  border-top:none;
  margin-top:64px;
  padding-top:0;
}
@media (max-width:768px){
  .timeline-line{
    top:0;bottom:0;
    left:7px;right:auto;
    width:2px;height:auto;
  }
  .timeline-line::after{
    width:100%;height:0;
    transition:height 1s ease;
  }
  .timeline-wrap:hover .timeline-line::after{
    height:100%;width:100%;
  }
  .timeline-steps{
    grid-template-columns:1fr;
    gap:32px;
    padding-left:36px;
  }
  .timeline-step{position:relative}
  .timeline-dot{
    position:absolute;
    left:-36px;
    top:4px;
    margin-bottom:0;
  }
  .plat-trust{grid-template-columns:1fr 1fr}
}

/* ---------- "From AI Model to Real-World Device" (layout) ---------- */
.gap-blocks{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:20px;
  border:none;
}
.gap-block-icon{
  width:48px;height:48px;
  border-radius:12px;
  background:rgba(37,99,235,.12);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
@media (max-width:768px){
  .gap-blocks{grid-template-columns:1fr;gap:14px}
  .gap-block{padding:28px 24px;border-right:none !important;padding-left:24px !important;padding-right:24px !important}
}

/* ---------- WHY GMIC section (layout) ---------- */
@media (max-width:768px){
  .why-header h2{max-width:100%}
}
.why-grid{
  display:flex;
  width:100%;
  height:480px;
  border-top:none;
}
.why-tile{
  position:relative;
  flex:1;
  overflow:hidden;
  cursor:pointer;
  filter:brightness(0.35);
  transition:flex .45s ease, filter .35s ease;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:24px;
  color:#ffffff;
}
.why-tile.active{
  flex:2.2;
  filter:brightness(1);
}
.why-content{
  position:relative;
  z-index:2;
  display:flex;flex-direction:column;gap:10px;
  max-width:520px;
}
.why-btn{
  display:none;
  align-self:flex-start;
  font-family:var(--sans);
  font-size:13.5px;font-weight:500;
  color:#ffffff;
  padding:8px 16px;
  border:1px solid rgba(255,255,255,0.4);
  border-radius:100px;
  margin-top:8px;
  transition:background .2s ease, border-color .2s ease;
}
@media (max-width:768px){
  .why-grid{grid-template-columns:1fr}
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px){
  .c-slide{aspect-ratio:auto;height:360px}
  .features-split{grid-template-columns:1fr;gap:48px}
  .features-right{height:480px}
  .industries-top{grid-template-columns:1fr;gap:24px;align-items:start}
  .industries-top p{text-align:left;justify-self:start;max-width:560px}
  .industries-layout{flex-direction:column;gap:32px;min-height:0;align-items:stretch}
  .industries-photo{width:100%;aspect-ratio:4/3;height:auto}
  .insights-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .nav-links{display:none}
  .ft-grid{flex-direction:column;height:auto}
  .ft-tile{height:200px}
  .ft-tile.active{flex:none;height:320px}
  .why-grid{flex-direction:column;height:auto}
  .why-tile{height:200px}
  .why-tile.active{flex:none;height:320px}
}
@media (max-width: 640px){
  section.bleed{padding:80px 0}
  .industries,.platform,.insights{padding:80px 0}
  .final-cta{padding:96px 0}
  .c-slide{aspect-ratio:auto;height:300px}
  .industries-line{font-size:28px;padding:24px 0;gap:16px}
  .industries-line .idx{width:36px}
  .insights-grid{grid-template-columns:1fr}
  .email-form{min-width:100%;flex-direction:column}
  .email-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
}

/* ---------- MOBILE (≤768px) ---------- */
@media (max-width: 768px){
  /* Carousel: one card per viewport */
  .carousel-viewport{
    overflow:hidden;
    margin:0;
  }
  .c-track{
    display:flex;
    flex-direction:row;
    transition:transform .4s cubic-bezier(.4,0,.2,1);
  }
  .c-slide{
    flex:0 0 85% !important;
    min-width:85% !important;
    width:auto !important;
    aspect-ratio:1/1;
    height:auto;
  }
  #products .section-link{display:none}
  .carousel-btn{
    width:48px;height:48px;
    font-size:18px;
  }

  /* Industries: column-stack rows */
  .industries-line{
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:20px 0;
  }
  .industries-line .idx{
    width:auto;
    padding-top:0;
    font-size:11px;
    color:rgba(255,255,255,.3);
  }
  .industries-line .idx::after{
    content:' — ';
    opacity:.6;
  }
  .industries-line .dash{display:none}
  .industries-line .arrow{display:none}
  .industries-line .name{
    font-size:clamp(32px, 8vw, 52px);
    white-space:normal;
    line-height:1.1;
  }
  .industries-line .description{flex-wrap:wrap}
  .industries-line .ind-quote{max-width:100%}

  /* Industries layout: stack and photo full-width */
  .industries-layout{flex-direction:column}
  .industries-photo{
    width:100%;
    aspect-ratio:4/3;
    margin-top:24px;
  }

  /* Industries top stays single-column (already set at 1100px) */
  .industries-top{grid-template-columns:1fr;gap:16px}
  .industries-top p{
    text-align:left;
    margin-left:0;
    max-width:100%;
  }

  /* Hero buttons: stack full-width */
  .hero-cta{
    flex-direction:column;
    align-items:stretch;
    width:100%;
    gap:10px;
    padding:0 20px;
  }
  .hero-cta .btn-blue,
  .hero-cta .btn-ghost{
    width:100%;
    justify-content:center;
    text-align:center;
    padding:14px 20px;
    font-size:15px;
  }

  /* Final CTA: heading + button responsive */
  .final-cta h2{
    font-size:clamp(26px, 8vw, 40px);
    padding:0 20px;
  }
  .final-cta p{padding:0 20px}
  .final-cta .btn-blue-deep{
    display:flex;
    width:calc(100% - 40px);
    margin-left:auto;margin-right:auto;
    justify-content:center;
    text-align:center;
    padding:14px 20px;
    font-size:15px;
  }
}