.site-header { position: sticky; top: 0; z-index: 50; height: 64px; background: rgba(255,255,255,.98); box-shadow: 0 1px 0 rgba(17,24,39,.06); }
.header-inner { width: min(1440px, 100%); height: 64px; margin: auto; padding: 0 48px; display: flex; align-items: center; gap: 38px; }
.brand { width: 150px; flex: 0 0 auto; }
.brand img { width: 100px; height: auto; }
.main-nav { align-self: stretch; display: flex; align-items: stretch; gap: 34px; }
.main-nav a, .main-nav .header-nav-trigger { position: relative; min-width: 62px; display: flex; align-items: center; justify-content: center; font-size: 14px; white-space: nowrap; transition: color .2s ease; }
.main-nav a:hover, .main-nav a.active, .main-nav .header-nav-trigger.active { color: var(--blue); font-weight: 600; }
.main-nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--blue); }
.product-nav-group { position: relative; height: 100%; display: flex; align-items: stretch; }
.about-nav-group { position: relative; display: flex; align-items: stretch; gap: 4px; }
.main-nav .about-nav-group > .header-nav-trigger { min-width: 0; cursor: default; }
.about-menu-toggle { width: 12px; padding: 0; border: 0; background: transparent; display: grid; place-items: center; }
.about-menu-toggle img { width: 12px; height: 12px; }
.about-menu-toggle:focus-visible { outline: 2px solid var(--blue); outline-offset: -4px; }
.about-menu { position: absolute; top: 100%; left: 50%; width: 160px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); transform: translateX(-50%); display: none; }
.about-nav-group.is-open .about-menu { display: grid; }
.mobile-submenu-content { display: contents; }
.mobile-nav-contact-box { display: none; }
.main-nav .about-menu a { min-width: 0; padding: 12px 16px; justify-content: center; text-align: center; border-radius: 4px; }
.main-nav .about-menu a:hover, .main-nav .about-menu a.current { color: var(--blue); background: var(--section-blue); }
.main-nav .product-nav-trigger { gap: 4px; }
.header-nav-arrow { width: 12px; height: 12px; flex: 0 0 auto; object-fit: contain; transition: filter .2s ease; }
@media (min-width: 901px) {
  .main-nav .header-nav-trigger.active::after { display: none; }
  .header-nav-group.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--blue); pointer-events: none; }
  .header-nav-group:is(:hover, :focus-within, .is-open, .is-hover-open, .is-active) > .header-nav-trigger { color: var(--blue); font-weight: 600; }
  .header-nav-group:is(:hover, :focus-within, .is-open, .is-hover-open, .is-active) .header-nav-arrow { filter: invert(36%) sepia(99%) saturate(3838%) hue-rotate(214deg) brightness(101%); }
}
.product-menu {
  position: absolute;
  z-index: 60;
  top: 64px;
  left: -80px;
  width: 680px;
  min-height: 288px;
  padding: 40px;
  display: grid;
  grid-template-columns: repeat(3, 200px);
  justify-content: start;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

/* Shared carousel navigation: matches the intelligent production-line gallery. */
.carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow) {
  position: absolute;
  z-index: 4;
  top: 50%;
  width: 64px;
  height: 64px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #111827;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 8px 24px rgba(15, 23, 42, .14), 0 2px 8px rgba(15, 23, 42, .08);
  cursor: pointer;
  transform: translateY(-50%);
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease;
}

.carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow).prev { left: -32px; }
.carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow).next { right: -32px; }
.carousel-nav-arrow.carousel-arrow { top: 179px; }
.carousel-nav-arrow.case-carousel-arrow { top: 193px; }
.carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow) > span {
  display: block;
  font: 300 48px/1 Arial, sans-serif;
  transform: translateY(-2px);
}
.carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow):hover {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 8px 22px rgba(18, 107, 255, .24);
  transform: translateY(-50%) scale(1.04);
}
.carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow):active {
  transform: translateY(-50%) scale(.96);
}
.carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow):focus-visible {
  outline: 3px solid rgba(18, 107, 255, .28);
  outline-offset: 3px;
}

@media (max-width: 700px) {
  .carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow) {
    width: 44px;
    height: 44px;
  }
  .carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow).prev { left: -22px; }
  .carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow).next { right: -22px; }
  .carousel-nav-arrow.carousel-arrow { top: 140px; }
  .carousel-nav-arrow:is(.equipment-line-arrow, .carousel-arrow, .case-carousel-arrow, .pdm-library-arrow) > span { font-size: 34px; }
}

@media (min-width: 701px) and (max-width: 900px) {
  .carousel-nav-arrow.case-carousel-arrow { top: 214px; width: 52px; height: 52px; }
  .carousel-nav-arrow.case-carousel-arrow.prev { left: -26px; }
  .carousel-nav-arrow.case-carousel-arrow.next { right: -26px; }
}

@media (max-width: 600px) {
  .carousel-nav-arrow.case-carousel-arrow { top: 139px; }
}
.product-nav-group:hover .product-menu,
.product-nav-group.is-hover-open .product-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.product-menu-back { display: none; }
.product-menu-column { width: 200px; display: flex; flex-direction: column; gap: 16px; }
.product-menu-heading { display: flex; align-items: center; gap: 8px; }
.product-menu-icon-frame { position: relative; width: 32px; height: 32px; flex: 0 0 auto; overflow: hidden; }
.product-menu-icon-frame img { position: absolute; left: 50%; top: 50%; width: 100%; height: 100%; max-width: none; object-fit: cover; transform: translate(-50%, -50%); }
.product-menu-icon-frame img.wide { width: 166.67%; height: 166.67%; }
.product-menu-icon-frame img.normal { width: 133.33%; height: 133.33%; }
.product-menu-heading h2 { margin: 0; font-size: 20px; font-weight: 600; line-height: normal; white-space: nowrap; }
.product-menu-links { padding: 0 40px; display: flex; flex-direction: column; gap: 16px; }
.main-nav .product-menu-links a { min-width: 0; height: auto; display: block; color: #000; font-size: 14px; font-weight: 400; line-height: normal; text-align: left; }
.main-nav .product-menu-links a:hover,
.main-nav .product-menu-links a.current { color: var(--blue); font-weight: 500; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.phone-link { display: flex; align-items: center; gap: 5px; font-size: 11px; white-space: nowrap; }
.phone-link img { width: 18px; height: 18px; }
.phone-link strong { font-size: 16px; font-weight: 600; }
.phone-link span { font-size: 14px; font-weight: 600; }
.main-nav .mobile-nav-contact { display: none; }
.primary-button, .hero-button, .contact-button { border: 0; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-weight: 500; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.primary-button { min-height: 40px; padding: 0 22px; color: white; background: var(--blue); }
.hero-button { padding: 14px 24px; color: white; background: var(--blue); font-size: 17px; }
.hero-button img { width: 20px; height: 20px; }
.header-actions .primary-button { font-size: 14px; font-weight: 400; }
.primary-button:hover, .hero-button:hover { background: var(--blue-dark); box-shadow: 0 8px 22px rgba(18,107,255,.24); transform: translateY(-1px); }
.menu-button { display: none; margin-left: auto; width: 42px; height: 42px; padding: 10px; border: 0; background: transparent; }
.menu-button span { height: 2px; margin: 5px 0; background: var(--text); display: block; transition: transform .2s ease, opacity .2s ease; }
.section-heading { text-align: center; }
.section-heading h2 { margin: 0; font-size: 32px; line-height: 1.42; }
.section-heading p { margin: 16px 0 0; color: var(--muted); font-size: 18px; line-height: 1.8; }
.contact-section { padding: 64px 0; background: var(--section); }
.contact-section .section-heading p { font-size: 20px; }
.contact-features { margin-top: 40px; padding: 40px 0; display: grid; grid-template-columns: repeat(4, 1fr); border-radius: var(--radius); background: white; box-shadow: var(--shadow); }
.contact-features article { min-width: 0; padding: 0 40px; display: flex; align-items: center; gap: 16px; }
.contact-features article + article { border-left: 1px solid #edf1f7; }
.contact-features article > span { width: 80px; height: 80px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; background: rgba(18,107,255,.1); }
.contact-features article > span img { width: 48px; height: 48px; }
.contact-features article:last-child > span { background: transparent; }
.contact-features article:last-child > span img { width: 80px; height: 80px; }
.contact-features h3 { margin: 0 0 8px; font-size: 20px; white-space: nowrap; }
.contact-features p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; white-space: nowrap; }
.contact-banner { position: relative; height: 240px; margin-top: 40px; overflow: hidden; border-radius: var(--radius); color: white; }
.contact-banner > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.contact-banner > div { position: relative; z-index: 1; height: 100%; padding-left: 80px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 16px; }
.contact-banner h2 { margin: 0; font-size: 32px; font-weight: 600; }
.contact-banner p { margin: 0; font-size: 18px; color: rgba(255,255,255,.85); }
.contact-banner-phone { display: inline-flex; align-items: center; gap: 8px; color: white; line-height: 1; }
.contact-banner-phone img { width: 20px; height: 20px; }
.contact-banner-phone strong { font-size: 20px; font-weight: 600; }
.contact-banner-phone span { font-size: 12px; }
.contact-button { padding: 11px 24px; color: var(--blue); background: white; font-size: 17px; }
.contact-button:hover { transform: translateY(-1px); box-shadow: 0 8px 25px rgba(0,0,0,.14); }
.contact-button img { width: 24px; height: 24px; }

.site-footer { padding: 40px 0 0; color: white; background: var(--navy); }
.footer-content { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 32px; }
.footer-links { flex: 1; display: grid; grid-template-columns: repeat(4, 160px); gap: 40px; }
.footer-group h3, .follow-us h3 { margin: 0 0 20px; font-size: 14px; }
.footer-group-toggle { width: 100%; padding: 0; border: 0; color: inherit; background: transparent; display: flex; align-items: center; justify-content: space-between; font: inherit; font-weight: 600; text-align: left; cursor: default; }
.footer-toggle-icon { display: none; }
.footer-submenu { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-submenu a, .footer-link { margin: 0; padding: 0; border: 0; color: rgba(255,255,255,.8); background: transparent; font-size: 12px; line-height: normal; text-align: left; }
.footer-submenu a:hover, .footer-link:hover { color: white; }
.follow-us { width: 430px; }
.qr-row > div { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; color: rgba(255,255,255,.75); font-size: 12px; }
.qr-row img { width: 90px; height: 90px; object-fit: cover; border-radius: 4px; }
.qr-row span { width: 90px; text-align: center; }
.footer-contact { margin-top: 20px; display: flex; align-items: center; gap: 8px; }
.footer-contact img, .footer-address img { width: 20px; height: 20px; flex: 0 0 auto; }
.footer-contact strong { font-size: 20px; }
.footer-contact span, .footer-address { color: rgba(255,255,255,.72); font-size: 12px; }
.footer-address { display: flex; align-items: center; gap: 8px; }
.copyright { padding: 32px 0; display: flex; justify-content: center; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.5); font-size: 12px; }
.copyright p { margin: 0; }
.copyright a:hover { color: white; }

.modal { position: fixed; z-index: 100; inset: 0; display: none; place-items: center; padding: 24px; }
.modal.open { display: grid; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5,23,48,.7); backdrop-filter: blur(4px); }
.modal-close { position: absolute; top: 12px; right: 14px; width: 36px; height: 36px; border: 0; border-radius: 50%; color: var(--muted); background: #f2f5fa; font-size: 24px; line-height: 1; }
body.modal-open { overflow: hidden; }

.back-top { position: fixed; z-index: 40; right: 24px; bottom: 24px; width: 80px; height: 80px; padding: 12px; border: 1px solid var(--blue); border-radius: 4px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #fff; background: var(--blue); box-shadow: 0 4px 20px rgba(18,107,255,.32); opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity .2s ease, transform .2s ease, background .2s ease; }
.back-top:hover { background: var(--blue-dark); }
.back-top.visible { opacity: 1; pointer-events: auto; transform: none; }
.back-top img { width: 24px; height: 24px; filter: brightness(0) invert(1); }
.back-top span { font-size: 12px; }

@media (max-width: 1200px) {
  .header-inner { padding: 0 24px; gap: 14px; }
  .brand { width: 112px; }
  .main-nav { gap: 12px; }
  .advantages-card { padding-inline: 12px; }
  .advantage-item { padding-right: 24px; }
  .advantage-art { width: 86px; height: 86px; }
  .small-arrow { right: 6px; }
  .ecosystem-grid { grid-template-columns: repeat(2, 1fr); }
  .integration-flow { grid-template-columns: 1fr 110px 1fr; }
  .integration-flow .flow-arrow { display: none; }
  .api-hub { width: 110px; height: 110px; padding: 14px; border-width: 8px; }
  .api-hub img { width: 34px; height: 34px; }
  .api-hub strong { font-size: 15px; }
  .contact-features { grid-template-columns: repeat(2, 1fr); gap: 32px 0; }
  .contact-features article:nth-child(3) { border-left: 0; }
  .footer-links { grid-template-columns: repeat(4, 1fr); }
  .follow-us { width: 360px; }
}

@media (max-width: 900px) {
  .container { width: min(100% - 32px, 720px); }
  .site-header, .header-inner { height: 60px; }
  .site-header { z-index: 100; }
  .mobile-nav-open .site-header { padding-right: var(--mobile-nav-scrollbar, 0px); }
  .header-inner { padding: 0 16px; }
  .brand img { width: 92px; }
  .menu-button { order: 3; width: 42px; height: 42px; margin: 0; flex: 0 0 42px; display: block; }
  .menu-button.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button.is-open span:nth-child(2) { opacity: 0; }
  .menu-button.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  body.mobile-nav-open { overflow: hidden; }
  .main-nav { position: fixed; inset: 60px 0 0; width: 100%; height: calc(100dvh - 60px); padding: 20px 24px calc(40px + env(safe-area-inset-bottom)); display: none; flex-direction: column; align-items: stretch; gap: 0; overflow-y: auto; overflow-anchor: none; overscroll-behavior-y: contain; border-radius: 0; background: #fff; box-shadow: none; }
  .main-nav.open { display: flex; }
  .main-nav > * { flex-shrink: 0; }
  .about-nav-group { display: grid; grid-template-columns: minmax(0, 1fr) 48px; gap: 0; border-bottom: 1px solid #e1e5eb; }
  .main-nav .about-nav-group > .header-nav-trigger { height: 64px; justify-content: flex-start; border-bottom: 0; font-size: 16px; }
  .about-menu-toggle { position: absolute; top: 0; right: 0; width: 100%; height: 64px; padding-right: 0; border-bottom: 0; justify-items: end; }
  .about-menu-toggle[aria-expanded="true"] img { transform: rotate(180deg); }
  .about-menu { position: static; left: auto; grid-column: 1 / -1; width: 100%; padding: 0; border: 0; border-radius: 0; box-shadow: none; transform: none; }
  .main-nav .about-menu a { min-height: 42px; justify-content: flex-start; padding: 10px 0; font-size: 14px; text-align: left; }
  .main-nav .about-menu a:hover, .main-nav .about-menu a.current { background: transparent; }
  .main-nav .about-menu a.current { color: var(--blue); font-weight: 500; }
  .main-nav > a,
  .main-nav > .product-nav-group > .product-nav-trigger { width: 100%; height: 64px; border-bottom: 1px solid #e1e5eb; justify-content: flex-start; color: var(--text); font-size: 16px; font-weight: 400; }
  .main-nav > a.active { color: var(--blue); font-weight: 600; }
  .main-nav .header-nav-group > .header-nav-trigger.active { color: var(--blue); font-weight: 600; }
  .main-nav a.active::after { display: none; }
  .product-nav-group { height: auto; display: block; border-bottom: 1px solid #e1e5eb; }
  .main-nav > .product-nav-group > .product-nav-trigger { border-bottom: 0; }
  .main-nav .product-nav-trigger { justify-content: space-between; }
  .product-nav-arrow { width: 14px; height: 14px; margin-left: auto; transform: rotate(0); filter: none !important; }
  .about-menu-toggle .header-nav-arrow { width: 14px; height: 14px; filter: none !important; }
  .product-nav-arrow, .about-menu-toggle .header-nav-arrow { transition: transform .24s ease; }
  .product-nav-group.is-open .product-nav-arrow { transform: rotate(180deg); }
  .product-menu {
    position: static;
    width: 100%;
    min-height: 0;
    max-height: none;
    padding: 0;
    display: none;
    grid-template-columns: 1fr;
    gap: 0;
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: #fff;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition: none;
  }
  .product-nav-group:hover .product-menu,
  .product-nav-group:focus-within .product-menu { display: none; transform: none; }
  .product-nav-group.is-open .product-menu,
  .product-nav-group.is-open:hover .product-menu,
  .product-nav-group.is-open:focus-within .product-menu { display: grid; transform: none; }
  .product-nav-group.is-dismissed .product-menu { display: none; transform: none; }
  .main-nav .product-menu, .main-nav .about-menu,
  .main-nav .product-nav-group:is(:hover, :focus-within, .is-open, .is-dismissed) .product-menu { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: 0fr; opacity: 0; visibility: hidden; pointer-events: none; transition: grid-template-rows .28s ease, opacity .22s ease, visibility 0s .28s; }
  .main-nav .header-nav-group.is-open > .product-menu,
  .main-nav .header-nav-group.is-open > .about-menu { grid-template-rows: 1fr; opacity: 1; visibility: visible; pointer-events: auto; transition: grid-template-rows .28s ease, opacity .22s ease, visibility 0s; }
  .mobile-submenu-content { display: block; min-height: 0; overflow: hidden; }
  .about-menu .mobile-submenu-content { padding-left: 16px; }
  .mobile-submenu-content::after { content: ""; display: block; height: 8px; }
  .product-menu-column { width: calc(100% - 16px); margin-left: 16px; gap: 0; }
  .product-menu-column + .product-menu-column { margin-top: 8px; padding-top: 8px; border-top: 1px solid #edf0f4; }
  .product-menu-icon-frame { display: none; }
  .product-menu-heading { height: 28px; padding-top: 0; }
  .product-menu-heading h2 { color: #8a94a6; font-size: 12px; font-weight: 400; }
  .product-menu-links { padding: 0; gap: 0; }
  .main-nav .product-menu-links a { width: 100%; height: 42px; border-bottom: 0; display: flex; align-items: center; justify-content: flex-start; color: var(--text); font-size: 14px; font-weight: 400; }
  .main-nav .product-menu-links a.current { color: var(--blue); font-weight: 500; }
  .header-actions { margin-left: auto; flex: 0 0 auto; }
  .phone-link { display: none; }
  .mobile-nav-contact-box { display: block; margin-top: 24px; }
  .main-nav.is-contact-pinned .mobile-nav-contact-box { height: var(--nav-contact-height, 56px); }
  .main-nav.is-contact-pinned .mobile-nav-contact-panel { position: fixed; z-index: 2; right: 0; bottom: 0; left: 0; padding: 16px 24px calc(16px + env(safe-area-inset-bottom)); border-top: 1px solid #edf0f4; background: #fff; }
  .main-nav .mobile-nav-contact { width: 100%; min-height: 56px; height: auto; border-bottom: 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-start; gap: 6px 8px; color: var(--text); white-space: normal; }
  .main-nav .mobile-nav-contact img { width: 18px; height: 18px; flex-shrink: 0; }
  .main-nav .mobile-nav-contact strong { font-size: 18px; font-weight: 600; white-space: nowrap; }
  .main-nav .mobile-nav-contact span { display: inline; font-size: 16px; font-weight: 600; white-space: nowrap; }
  .header-actions .primary-button { min-height: 36px; padding-inline: 14px; font-size: 13px; }
  .hero { min-height: 0; height: calc(100vw * 4 / 3); aspect-ratio: 3 / 4; }
  .hero-background { object-position: 57% center; }
  .hero-inner { width: calc(100% - 32px); align-items: flex-end; justify-content: center; padding-bottom: clamp(24px, 6vw, 40px); }
  .hero-copy { width: 58%; margin-top: 0; }
  .hero-copy h1 { font-size: 38px; }
  .hero-copy p { font-size: 16px; }
  .advantages { height: auto; padding: 32px 0 48px; }
  .advantages-card { top: 0; padding: 30px 0; }
  .advantages-card h2 { font-size: 25px; }
  .advantage-grid { grid-template-columns: 1fr; padding: 0 24px; }
  .advantage-item { height: auto; min-height: 120px; padding: 10px 38px 10px 0; border-top: 1px solid transparent; }
  .advantage-item + .advantage-item { border-left: 0; border-top: 1px solid #edf1f7; }
  .section-heading h2 { font-size: 27px; }
  .section-heading p { font-size: 16px; }
  .contact-section .section-heading p { font-size: 16px; }
  .custom-grid { gap: 14px; }
  .ecosystem-grid { gap: 14px; }
  .integration-flow { grid-template-columns: 1fr; gap: 24px; }
  .api-hub { width: 120px; height: 120px; margin: 0 auto; }
  .case-stage { height: auto; }
  .case-track { grid-template-columns: 1fr; }
  .case-copy { order: 2; padding: 36px; }
  .case-image { height: 300px; }
  .case-image::after { background: linear-gradient(0deg, #fff 0%, rgba(255,255,255,0) 50%); }
  .carousel-arrow { top: 140px; width: 48px; height: 48px; padding: 12px; }
  .carousel-arrow.prev { left: -8px; }
  .carousel-arrow.next { right: -8px; }
  .logo-wall { grid-template-columns: repeat(4, 1fr); }
  .contact-features article { padding: 0 20px; }
  .contact-banner > div { padding-left: 40px; }
  .footer-content { flex-direction: column; }
  .follow-us { width: 100%; }
}

@media (max-width: 600px) {
  .hero-background { object-position: 65% center; }
  .hero-background::after { content: ""; }
  .hero-copy { width: 100%; padding: 28px 20px; border-radius: 16px; background: rgba(2,19,48,.52); backdrop-filter: blur(3px); }
  .hero-copy h1 { margin-bottom: 18px; font-size: 33px; }
  .hero-copy p { margin-bottom: 24px; }
  .advantages-card h2 { margin-inline: 20px; font-size: 22px; }
  .advantage-grid { padding-inline: 16px; }
  .advantage-art { width: 82px; height: 82px; }
  .advantage-item h3 { font-size: 16px; }
  .advantage-item p { font-size: 13px; }
  .data-section, .ecosystem-section, .integration-section, .cases-section, .contact-section { padding: 48px 0; }
  .section-heading h2 { font-size: 24px; }
  .section-heading p { font-size: 14px; }
  .contact-section .section-heading p { font-size: 14px; }
  .section-heading br { display: none; }
  .data-banner { margin: 28px 0; }
  .custom-grid { grid-template-columns: 1fr; }
  .ecosystem-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .ecosystem-card { min-width: 0; min-height: 240px; padding: 12px 8px 16px; flex-direction: column; text-align: center; }
  .ecosystem-grid img { width: 96px; height: 96px; }
  .ecosystem-card > div { width: 100%; min-width: 0; }
  .ecosystem-grid h3 { min-height: 48px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
  .ecosystem-grid strong { margin: 2px 0 8px; font-size: 13px; }
  .ecosystem-grid p { font-size: 12px; }
  .system-panel { padding: 12px; }
  .system-grid { gap: 8px; }
  .system-grid article { height: 135px; padding-inline: 2px; }
  .system-grid span { font-size: 10px; }
  .panel-note { font-size: 11px; gap: 5px; }
  .case-copy { padding: 28px 22px; }
  .case-brand { align-items: flex-start; flex-direction: column; gap: 8px; }
  .case-copy blockquote { white-space: normal; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .contact-features { grid-template-columns: 1fr; padding: 24px 0; gap: 0; }
  .contact-features article { padding: 20px; }
  .contact-features article + article { border-left: 0; border-top: 1px solid #edf1f7; }
  .contact-features article > span { width: 68px; height: 68px; }
  .contact-features article > span img { width: 42px; height: 42px; }
  .contact-features h3 { font-size: 16px; }
  .contact-features article { gap: 16px; }
  .contact-features article > span { width: 68px; height: 68px; flex: 0 0 68px; }
  .contact-features article > span img { width: 42px; height: 42px; object-fit: contain; }
  .contact-features article:last-child > span img { width: 68px; height: 68px; object-fit: contain; }
  .contact-features article > div { min-width: 0; }
  .contact-features h3, .contact-features p { white-space: normal; }
  .contact-banner { height: 320px; }
  .contact-banner > img { object-position: 18% center; }
  .contact-banner > div { padding: 32px; justify-content: center; }
  .contact-banner h2 { font-size: 26px; }
  .contact-banner p { width: 72%; font-size: 15px; line-height: 1.7; }
  .contact-banner-phone { flex-wrap: wrap; max-width: 230px; }
  .contact-banner-phone strong { font-size: 18px; }
  .site-footer { padding-top: 24px; color: #fff; background: var(--navy); }
  .site-footer .footer-content, .site-footer .copyright { width: calc(100% - 48px); }
  .footer-content { display: block; padding-bottom: 32px; }
  .footer-links { display: block; }
  .footer-group { border-bottom: 1px solid rgba(255,255,255,.2); }
  .footer-group h3 { margin: 0; }
  .footer-group-toggle { min-height: 56px; color: #fff; font-size: 14px; cursor: pointer; }
  .footer-toggle-icon { width: 20px; height: 20px; border: 1px solid #fff; border-radius: 50%; display: grid; place-items: center; opacity: .72; transition: transform .2s ease, opacity .2s ease; }
  .footer-toggle-icon img { width: 8px; height: 8px; filter: invert(1); }
  .footer-group-toggle:hover .footer-toggle-icon,
  .footer-group-toggle:focus-visible .footer-toggle-icon { opacity: 1; }
  .footer-group.is-open .footer-toggle-icon { transform: rotate(180deg); }
  .footer-submenu { display: none; padding: 0 0 18px; gap: 0; }
  .footer-group.is-open .footer-submenu { display: flex; }
  .footer-submenu a, .footer-link { width: 100%; min-height: 34px; display: flex; align-items: center; color: rgba(255,255,255,.8); font-size: 12px; }
  .footer-submenu a:hover { color: #fff; }
  .follow-us { width: 100%; padding-top: 32px; }
  .follow-us h3 { margin: 0 0 20px; color: #fff; font-size: 14px; }
  .qr-row > div { color: rgba(255,255,255,.75); }
  .footer-contact { flex-wrap: wrap; color: #fff; }
  .footer-contact span, .footer-address { color: rgba(255,255,255,.72); }
  .footer-address { line-height: 1.8; }
  .copyright { padding: 28px 0 32px; justify-content: flex-start; border-top-color: rgba(255,255,255,.2); color: rgba(255,255,255,.5); font-size: 12px; line-height: 1.7; }
  .copyright p { white-space: normal; }
  .copyright a { text-decoration: underline; }
  .back-top { right: 12px; bottom: 12px; width: 64px; height: 64px; padding: 8px; }
  .back-top img { width: 20px; height: 20px; }
  .back-top span { font-size: 10px; }
}

@media (max-width: 900px) {
  .carousel-nav-arrow:is(.carousel-arrow, .case-carousel-arrow, .pdm-library-arrow).prev { left: -12px; }
  .carousel-nav-arrow:is(.carousel-arrow, .case-carousel-arrow, .pdm-library-arrow).next { right: -12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* Contextual product explanations and related reading. */
.solution-context { padding: 48px 0; background: #fff; }
.solution-context .section-heading { max-width: 960px; margin: 0 auto; text-align: left; }
.solution-context .section-heading h2 { margin: 0; font-size: 28px; line-height: 1.5; }
.solution-context .section-heading p { margin: 16px 0 0; color: var(--muted); font-size: 16px; line-height: 1.85; }
.solution-context-links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; }
.solution-context-links a { display: inline-flex; align-items: center; min-height: 44px; max-width: 100%; color: var(--blue); font-size: 15px; line-height: 1.6; text-decoration: underline; text-underline-offset: 3px; overflow-wrap: anywhere; }
.solution-context-links a:hover { color: var(--blue-dark); }
.solution-context-links a:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
@media (max-width: 600px) {
  .solution-context { padding: 32px 0; }
  .solution-context .section-heading h2 { font-size: 24px; }
  .solution-context-links { gap: 4px 20px; }
}