/* Homepage introduction: product identity, field collaboration and industry entry points. */
body[data-page="home"] .home-intro {
  --intro-ink: #142e49;
  --intro-muted: #536b80;
  --intro-blue: #075fd8;
  --intro-line: #d1deea;
  padding-top: calc(var(--header-height) + 44px);
  color: var(--intro-ink);
  background: linear-gradient(180deg, #f5f8fb 0%, #f5f8fb 58%, #ffffff 100%);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}
.home-intro > .shell { width: min(1280px, calc(100% - 64px)); }
.home-intro a { text-decoration: none; }
.home-intro :is(a, button):focus-visible { outline: 3px solid #147fb5; outline-offset: 4px; }
.home-intro p { text-wrap: pretty; }
.home-intro-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; padding-bottom: 42px; }
.home-intro-copy { min-width: 0; }
body[data-page="home"] .home-intro h1 { margin: 0; color: var(--intro-ink); font-size: clamp(34px, 3.6vw, 48px); font-weight: 700; line-height: 1.4; letter-spacing: 0; }
.home-intro h1 > span { font-family: Arial, sans-serif; }
.home-intro-subtitle { margin: 14px 0 0; color: #315e85; font-size: 24px; line-height: 1.65; }
.home-intro-description { max-width: 510px; margin: 22px 0 28px; color: var(--intro-muted); font-size: 16px; line-height: 1.9; }
.home-intro-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.home-intro-actions a { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 48px; padding: 11px 22px; border: 1px solid transparent; border-radius: 3px; font-size: 15px; font-weight: 500; line-height: 1.5; touch-action: manipulation; }
.home-intro-actions a.home-intro-primary { color: #fff; background: var(--intro-blue); border-color: var(--intro-blue); }
.home-intro-actions a.home-intro-secondary { color: #294b66; background: #fff; border-color: #b9cddd; }
.home-intro-actions a.home-intro-primary:hover { background: #0449ac; border-color: #0449ac; }
.home-intro-actions a.home-intro-secondary:hover { color: var(--intro-blue); border-color: var(--intro-blue); }
.home-intro-capabilities { display: flex; flex-wrap: wrap; gap: 9px 20px; list-style: none; margin: 24px 0 0; padding: 0; color: var(--intro-muted); font-size: 14px; line-height: 1.6; }
.home-intro-capabilities li + li { padding-left: 20px; border-left: 1px solid #c3d4e2; }

.home-intro .home-hero-network { position: relative; min-width: 0; margin: 0; padding: 0; background: transparent; border: 0; border-radius: 0; box-shadow: none; }
.home-network-stage { position: relative; width: 100%; max-width: 580px; aspect-ratio: 7 / 5; margin: 0 auto; }
.home-network-stage::before { position: absolute; inset: 8% 4% 7%; border-radius: 50%; background: #ffffff70; filter: blur(24px); content: ''; }
.home-intro .home-hero-network-poster, .home-intro .home-hero-lottie { position: absolute; inset: 0; width: 100%; height: 100%; }
.home-intro .home-hero-network-poster { display: block; object-fit: contain; }
.home-intro .home-hero-lottie { opacity: 0; pointer-events: none; }
.home-intro .home-hero-lottie svg { display: block; width: 100%; height: 100%; overflow: visible; }
.home-intro .home-hero-network.is-ready .home-hero-network-poster { opacity: 0; }
.home-intro .home-hero-network.is-ready .home-hero-lottie { opacity: 1; }
.home-intro .home-hero-network-core, .home-intro .home-hero-network-labels { position: absolute; z-index: 1; inset: 0; pointer-events: none; }
.home-intro .home-hero-network-core { display: grid; place-content: center; justify-items: center; color: #fff; line-height: 1; }
.home-intro .home-hero-network-core strong { color: #fff; font-family: Arial, sans-serif; font-size: 25px; font-weight: 700; }
.home-intro .home-hero-network-core span { margin-top: 7px; color: #eef8fa; font-size: 10px; }
.home-intro .home-hero-network-labels > span { position: absolute; width: 20%; display: grid; gap: 4px; justify-items: center; transform: translate(-50%, -50%); text-align: center; white-space: nowrap; line-height: 1.2; }
.home-intro .home-hero-network-labels strong { color: #294b66; font-size: 12px; font-weight: 600; }
.home-intro .home-hero-network-labels small { color: #536b80; font-size: 10px; }
.home-intro .home-hero-network-labels .is-machining { top: 22.25%; left: 50%; }
.home-intro .home-hero-network-labels .is-assembly { top: 38.125%; left: 79.45%; }
.home-intro .home-hero-network-labels .is-utility { top: 76.875%; left: 79.45%; }
.home-intro .home-hero-network-labels .is-packaging { top: 92.75%; left: 50%; }
.home-intro .home-hero-network-labels .is-energy { top: 76.875%; left: 20.55%; }
.home-intro .home-hero-network-labels .is-process { top: 38.125%; left: 20.55%; }

@media (max-width: 1100px) {
  .home-intro-layout { gap: 32px; }
  .home-intro-subtitle { font-size: 21px; }
  .home-intro .home-hero-network-core strong { font-size: 21px; }
  .home-intro .home-hero-network-core span { font-size: 9px; }
}
@media (max-width: 900px) {
  body[data-page="home"] .home-intro { padding-top: calc(var(--header-height) + 38px); }
  .home-intro-layout { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .home-intro-copy { max-width: 680px; }
  body[data-page="home"] .home-intro h1 { font-size: 44px; }
  .home-intro-description { max-width: 620px; }
  .home-intro .home-hero-network { width: 100%; max-width: 600px; margin-inline: auto; }
  .home-intro .home-hero-network-core strong { font-size: 25px; }
  .home-intro .home-hero-network-core span { font-size: 10px; }
}
@media (max-width: 600px) {
  body[data-page="home"] .home-intro { padding-top: calc(var(--header-height) + 30px); }
  .home-intro > .shell { width: calc(100% - 32px); }
  body[data-page="home"] .home-intro h1 { font-size: clamp(29px, 8.5vw, 38px); }
  .home-intro-subtitle { margin-top: 12px; font-size: 19px; line-height: 1.65; }
  .home-intro-description { margin: 18px 0 24px; font-size: 15px; line-height: 1.8; }
  .home-intro-actions { gap: 10px; }
  .home-intro-actions a { flex: 1 1 auto; gap: 10px; padding-inline: 14px; font-size: 14px; }
  .home-intro-capabilities { gap: 8px 12px; margin-top: 20px; font-size: 13px; }
  .home-intro-capabilities li + li { padding-left: 12px; }
  .home-network-stage { max-width: 340px; }
  .home-intro .home-hero-network-core strong { font-size: 19px; }
  .home-intro .home-hero-network-core span { display: none; }
  .home-intro .home-hero-network-labels strong { font-size: 12px; }
  .home-intro .home-hero-network-labels small { font-size: 9px; }
}

/* Hero copy: kicker + two-line headline + pill capabilities (restored design) */
.home-intro-kicker { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 20px; color: #3c5068; font-size: 15px; font-weight: 700; line-height: 1; }
.home-intro-kicker > span { color: var(--intro-blue); font-family: "Bahnschrift", "DIN Alternate", "Segoe UI", sans-serif; font-weight: 700; letter-spacing: 0.04em; }
.home-intro-kicker::before { width: 7px; height: 7px; flex: 0 0 auto; background: var(--intro-blue); border-radius: 50%; content: ""; }
body[data-page="home"] .home-intro h1 { margin: 0 0 28px; font-size: clamp(36px, 3.6vw, 50px); line-height: 1.16; }
.home-intro h1 .hero-title-line, .home-intro h1 .hero-title-accent { display: block; white-space: nowrap; }
.home-intro h1 .hero-title-accent { margin-top: 6px; }
.home-intro h1 .hero-title-accent em { color: var(--intro-blue); font-style: normal; }
.home-intro h1 > span[lang="en"] { font-family: inherit; }
.home-intro-description { margin: 0 0 30px; }
.home-intro-description-line { display: block; }
.home-intro-capabilities { gap: 9px; margin: 28px 0 0; padding: 0; font-size: 13px; }
.home-intro-capabilities li { display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; color: #2f4257; background: #eaf3fc; border: 1px solid #d2e4f6; border-radius: 999px; font-weight: 700; white-space: nowrap; }
.home-intro-capabilities li::before { width: 5px; height: 5px; flex: 0 0 auto; background: var(--intro-blue); border-radius: 50%; content: ""; }
.home-intro-capabilities li + li { padding-left: 14px; border-left: 0; }
.home-intro-capabilities li [lang="en"] { font-weight: 700; }


/* Hero actions: align with site-wide button system */
.home-intro-actions .button.button-primary { min-height: 48px; padding: 11px 24px; border-radius: 4px; font-size: 15px; }
.home-intro-actions .hero-text-link { min-height: 48px; padding: 11px 4px; color: #294b66; font-size: 15px; }
.home-intro-actions .hero-text-link:hover { color: var(--intro-blue); }
.home-intro-actions .hero-text-link svg { stroke: currentColor; }

/* Contained coverflow: the side previews stay within the hero's right column. */
.home-intro .home-hero-cover {
  position: relative;
  min-width: 0;
  width: 100%;
  max-width: 740px;
  margin: 0 auto;
}

.home-hero-cover-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1.95;
  isolation: isolate;
  touch-action: pan-y pinch-zoom;
}

.home-hero-cover-item {
  position: absolute;
  top: 50%;
  left: 6%;
  width: 88%;
  overflow: hidden;
  background: #020b1d;
  border: 1px solid #c8d4e1;
  border-radius: 4px;
  transform-origin: center;
  will-change: transform, opacity;
  backface-visibility: hidden;
  transition: transform 420ms cubic-bezier(0.4, 0, 0.2, 1), opacity 320ms ease, border-color 320ms ease;
}

.home-hero-cover-item.is-center {
  z-index: 3;
  opacity: 1;
  transform: translate3d(0, -50%, 0);
  border-color: #658ebc;
  box-shadow: 0 14px 28px -18px #173c6355;
}

.home-hero-cover-item.is-left {
  z-index: 1;
  opacity: 0.38;
  transform: translate3d(-11%, -50%, 0) scale(0.9);
}

.home-hero-cover-item.is-right {
  z-index: 2;
  opacity: 0.38;
  transform: translate3d(11%, -50%, 0) scale(0.9);
}

.home-hero-cover-link { position: relative; display: block; color: inherit; text-decoration: none; }
.home-hero-cover-item:focus-within { outline: 3px solid #0755b5; outline-offset: 3px; }
.home-hero-cover-media { position: relative; aspect-ratio: 16 / 9; background: #020b1d; overflow: hidden; }
.home-hero-film { position: absolute; top: 0; right: 0; bottom: 0; left: 0; }
.home-hero-film img,
.home-hero-film video { position: absolute; top: 0; right: 0; bottom: 0; left: 0; display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.home-hero-film video { opacity: 0; pointer-events: none; transition: opacity 160ms ease; }
.home-hero-film.is-ready video { opacity: 1; }

.home-hero-cover-preview { position: absolute; z-index: 2; top: 12%; bottom: 12%; width: 6%; padding: 0; background: transparent; border: 0; cursor: pointer; }
.home-hero-cover-preview.is-previous { left: 0; }
.home-hero-cover-preview.is-next { right: 0; }

.home-hero-cover-controls { display: flex; justify-content: center; margin-top: 0; }
.home-hero-cover-dots {
  display: flex;
  gap: 6px;
}

.home-hero-cover-dots button {
  width: 44px;
  height: 44px;
  padding: 20px 0;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.home-hero-cover-dots button > span { position: relative; display: block; height: 4px; overflow: hidden; background: #ccd5df; }
.home-hero-cover-dots button.is-active > span { background: #b9cbe0; }
.home-hero-cover-dots button.is-active > span::after { position: absolute; inset: 0; content: ''; background: #0755b5; transform: scaleX(var(--slide-progress, 0)); transform-origin: left; transition: transform 180ms linear; }

@media (max-width: 600px) {
  .home-hero-cover-stage { aspect-ratio: 1.85; }
  .home-hero-cover-item { left: 4%; width: 92%; }
  .home-hero-cover-item.is-left { transform: translate3d(-8%, -50%, 0) scale(0.92); }
  .home-hero-cover-item.is-right { transform: translate3d(8%, -50%, 0) scale(0.92); }
  .home-hero-cover-preview { width: 4%; }
}
@media (prefers-reduced-motion: reduce) {
  .home-hero-cover-item, .home-hero-film video { transition: none; }
  .home-hero-cover-dots button.is-active > span::after { transition: none; }
}

/* Legacy mobile WebView (WeChat X5 / Chromium < 88): no aspect-ratio support.
   Without a height the stage and slides collapse to 0 and the carousel disappears. */
@supports not (aspect-ratio: 16 / 9) {
  .home-hero-cover-stage { height: 0; padding-top: 51.3%; }
  .home-hero-cover-media { height: 0; padding-top: 56.25%; }
}