/* =========================
   全局设计系统
   ========================= */
:root {
  --primary-color: #0757b8;
  --primary-hover: #064a9d;
  --primary-soft: #eaf3ff;
  --secondary-color: #0a91d2;
  --accent-color: #33b8de;
  --accent-warm: #ffae43;

  --surface-page: #e8eef5;
  --surface-card: #edf2f7;
  --surface-muted: #e2eaf3;
  --bg-page: var(--surface-page);
  --bg-light: #e2eaf3;
  --bg-card: var(--surface-card);
  --bg-dark: #071c34;
  --text-main: #102a43;
  --text-heading: #071d35;
  --text-muted: #60758a;
  --text-light: #8ca0b3;
  --border-color: #d7e1eb;
  --border-strong: #c8d5e3;
  --border-hairline: rgba(18, 57, 92, 0.05);

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  --shadow-xs: 2px 3px 6px rgba(18, 57, 92, 0.10), -2px -2px 5px rgba(255, 255, 255, 0.82);
  --shadow-sm: 3px 5px 10px rgba(18, 57, 92, 0.10), -3px -3px 8px rgba(255, 255, 255, 0.88);
  --shadow-soft: 5px 8px 16px rgba(18, 57, 92, 0.10), -4px -5px 12px rgba(255, 255, 255, 0.90);
  --shadow-md: 6px 10px 22px rgba(18, 57, 92, 0.11), -5px -6px 14px rgba(255, 255, 255, 0.92);
  --shadow-lg: 8px 14px 28px rgba(18, 57, 92, 0.12), -6px -8px 18px rgba(255, 255, 255, 0.94);
  --shadow-hover: 6px 12px 24px rgba(18, 57, 92, 0.13), -4px -6px 14px rgba(255, 255, 255, 0.95);
  --shadow-inset: inset 2px 3px 6px rgba(18, 57, 92, 0.10), inset -2px -2px 5px rgba(255, 255, 255, 0.85);
  --shadow-inset-soft: inset 3px 4px 8px rgba(18, 57, 92, 0.09), inset -3px -3px 7px rgba(255, 255, 255, 0.88);
  --shadow-primary: 0 10px 24px rgba(7, 87, 184, 0.22), 3px 6px 12px rgba(18, 57, 92, 0.08);
  --shadow-primary-hover: 0 14px 32px rgba(7, 87, 184, 0.28), 4px 8px 14px rgba(18, 57, 92, 0.10);

  --section-space: clamp(88px, 9vw, 132px);
  --container: 1320px;
  --nav-height: 78px;
  --header-height: var(--nav-height);
  --transition: 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  overflow-anchor: none;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--bg-page);
  color: var(--text-main);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  cursor: default;
}

html:has(body.menuLocked),
html:has(body.searchLocked),
body.menuLocked,
body.searchLocked {
  overflow: hidden;
  overscroll-behavior: none;
}

img {
  display: block;
  max-width: 100%;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

svg {
  user-select: none;
  -webkit-user-drag: none;
}

input,
textarea,
[contenteditable="true"] {
  user-select: text;
  -webkit-user-select: text;
  cursor: text;
}
/* perf: limit paint for soft cards */
.productCard,
.detailPanel,
.modelPanel,
.featureCard,
.flowCard,
.appCard,
.serviceCard,
.metricCard,
.detailContactPanel,
.detailHeroMedia {
  contain: layout paint;
}


a {
  color: inherit;
  text-decoration: none;
  -webkit-user-drag: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  cursor: pointer;
}

button {
  color: inherit;
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(7, 87, 184, 0.2);
  outline-offset: 3px;
}

::selection {
  background: rgba(7, 87, 184, 0.16);
  color: var(--text-heading);
}

.shell {
  width: min(var(--container), calc(100% - 64px));
  margin-inline: auto;
}

.section,
.contact,
.hero {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.section {
  padding-block: var(--section-space);
}

.kicker,
.eyebrow {
  margin: 0 0 18px;
  color: var(--primary-color);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.section h2,
.contact h2 {
  margin: 0;
  color: var(--text-heading);
  font-size: clamp(38px, 4vw, 60px);
  font-weight: 760;
  letter-spacing: -0.045em;
  line-height: 1.14;
}

.splitIntro {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.78fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: end;
  margin-bottom: 58px;
}

.splitIntro > p {
  margin: 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.9;
}

/* =========================
   顶部导航
   ========================= */
.siteHeader {
  position: sticky;
  z-index: 100;
  top: 0;
  overflow: visible;
  display: flex;
  flex-direction: column;
  height: var(--header-height);
  border-bottom: 1px solid var(--border-hairline);
  background: color-mix(in srgb, var(--surface-page) 97%, #ffffff);
  transition: background var(--transition), box-shadow var(--transition);
}


/* =========================
   版本更新提示
   ========================= */
.siteUpdateToast {
  position: fixed;
  z-index: 240;
  top: var(--header-height);
  right: 0;
  left: 0;
  padding: 10px 0;
  border-bottom: 1px solid rgba(7, 87, 184, 0.18);
  background: linear-gradient(180deg, #e4eef8 0%, var(--surface-card) 100%);
  box-shadow: var(--shadow-md);
  animation: siteUpdateToastIn 220ms ease-out;
}

.siteUpdateToastInner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.siteUpdateToastMessage {
  margin: 0;
  color: var(--text-heading);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
}

.siteUpdateToastActions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.siteUpdateToastRefresh {
  min-height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--primary-color);
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.siteUpdateToastRefresh:hover {
  background: var(--primary-hover);
}

.siteUpdateToastDismiss {
  width: 36px;
  height: 36px;
  border: 1px solid transparent;
  border-radius: 50%;
  background: var(--surface-card);
  color: var(--primary-color);
  box-shadow: var(--shadow-xs);
  font: inherit;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

@keyframes siteUpdateToastIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 620px) {
  .siteUpdateToast {
    padding: 10px 0 12px;
  }

  .siteUpdateToastInner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .siteUpdateToastMessage {
    font-size: 13px;
  }

  .siteUpdateToastActions {
    width: 100%;
    justify-content: space-between;
  }

  .siteUpdateToastRefresh {
    flex: 1 1 auto;
  }
}

.siteHeader.scrolled,
.siteHeader.menuOpen {
  background: color-mix(in srgb, var(--surface-page) 97%, #ffffff);
  box-shadow: var(--shadow-sm);
}

.siteHeader.menuOpen {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  width: 100%;
}

.nav {
  flex: 1 1 auto;
  height: var(--nav-height);
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  min-width: 250px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.headerBrand {
  min-width: 225px;
  gap: 0;
}

.headerBrandLogo {
  width: 205px;
  height: auto;
  max-height: 58px;
  flex: 0 0 auto;
  object-fit: contain;
  object-position: left center;
}

.headerBrand picture {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brandMark {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, var(--surface-card), #e6eef8);
  box-shadow: var(--shadow-xs);
}

.brandMark::before {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(51, 184, 222, 0.15), transparent 68%);
}

.brandMark i {
  position: absolute;
  width: 34px;
  height: 12px;
  border: 1.5px solid var(--secondary-color);
  border-radius: 50%;
}

.brandMark i:nth-child(2) {
  transform: rotate(60deg);
}

.brandMark i:nth-child(3) {
  transform: rotate(-60deg);
}

.brandMark b {
  position: relative;
  z-index: 2;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-warm);
  box-shadow: 0 0 13px rgba(255, 174, 67, 0.8);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: var(--text-heading);
  font-size: 17px;
  font-weight: 760;
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.brand small {
  margin-top: 4px;
  color: var(--text-light);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.headerNavCluster {
  display: flex;
  align-items: center;
  min-width: 0;
  height: 100%;
  gap: clamp(15px, 1.8vw, 30px);
}

.desktopNav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(15px, 1.8vw, 30px);
  max-width: 80rem;
  overflow: hidden;
  transition: opacity var(--transition), max-width var(--transition), gap var(--transition);
}

.navLink {
  height: 42px;
  padding-inline: 9px;
  display: inline-flex;
  align-items: center;
  position: relative;
  color: #405b72;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-drag: none;
  user-select: none;
  transition: color var(--transition);
}

.navLink::after {
  content: "";
  position: absolute;
  right: 9px;
  bottom: 2px;
  left: 9px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--primary-color);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.navLink:hover,
.navLink.active {
  color: var(--primary-color);
}

.navLink:hover::after,
.navLink.active::after {
  transform: scaleX(1);
}

.navActions {
  margin-left: auto;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 12px;
}

.searchToggle {
  height: 42px;
  display: inline-flex;
  flex-shrink: 0;
  position: relative;
  z-index: 3;
  align-items: center;
  gap: 8px;
  max-width: 160px;
  overflow: hidden;
  padding-inline: 9px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: #405b72;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition:
    color var(--transition),
    background-color var(--transition),
    opacity var(--transition),
    max-width var(--transition),
    padding var(--transition),
    gap var(--transition);
}

.searchToggle svg {
  width: 18px;
  height: 18px;
  display: block;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.searchToggleLabel {
  color: inherit;
}

.searchPanel {
  width: 0;
  min-width: 0;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(10px) scale(0.98);
  transform-origin: right center;
  transition:
    width var(--transition),
    max-width var(--transition),
    opacity var(--transition),
    transform var(--transition),
    visibility 0s linear var(--transition);
}

.siteHeader.searchOpen .searchPanel {
  width: min(440px, 100%);
  max-width: min(440px, 100%);
  overflow: visible;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition:
    width var(--transition),
    max-width var(--transition),
    opacity var(--transition),
    transform var(--transition),
    visibility 0s;
}

.searchPanelInner {
  position: relative;
}

.searchBarRow {
  display: flex;
  align-items: center;
  gap: 12px;
}

.searchCapsule {
  min-width: 0;
  flex: 1 1 auto;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px 0 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--surface-muted);
  box-shadow: var(--shadow-inset);
}

.searchCapsule svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: var(--primary-color);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.searchInput {
  width: 100%;
  min-width: 0;
  height: 42px;
  border: 0;
  background: transparent;
  color: var(--text-heading);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  outline: none;
}

.searchInput::-webkit-search-decoration,
.searchInput::-webkit-search-cancel-button {
  appearance: none;
}

.searchCapsule:focus-within {
  box-shadow: var(--shadow-inset), 0 0 0 3px rgba(7, 87, 184, 0.16);
}

.searchInput::placeholder {
  color: #8aa0b5;
  font-weight: 550;
}

.searchCapsuleClear {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  display: none;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #6d8499;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.searchCapsuleClear.isVisible,
.searchCapsuleClear:not([hidden]) {
  display: grid;
}

.searchCapsuleClear[hidden] {
  display: none !important;
}

.searchCapsuleClear:hover {
  background: var(--surface-card);
  color: var(--primary-color);
  box-shadow: var(--shadow-xs);
}

.searchCancel {
  flex: 0 0 auto;
  display: none;
  margin: 0;
  padding: 8px 4px;
  border: 0;
  background: transparent;
  color: var(--primary-color);
  font: inherit;
  font-size: 15px;
  font-weight: 650;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
}

.searchSuggest {
  position: absolute;
  z-index: 4;
  top: calc(100% + 8px);
  right: 0;
  left: 0;
  max-height: min(360px, 60vh);
  overflow: auto;
  padding: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity var(--transition), transform var(--transition);
}

.siteHeader.searchOpen .searchSuggest:not([hidden]) {
  opacity: 1;
  transform: none;
}

.searchSuggestEmpty {
  margin: 0;
  padding: 16px 12px;
  color: var(--text-light);
  font-size: 13px;
  text-align: center;
}

.searchSuggestGroup + .searchSuggestGroup {
  margin-top: 14px;
}

.searchSuggestHeading {
  margin: 0 0 8px;
  color: #5f758a;
  font-size: 13px;
  font-weight: 700;
}

.searchSuggestCard {
  display: grid;
  gap: 0;
}

.searchSuggestItem {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: inherit;
}

.searchSuggestItem:hover,
.searchSuggestItem.isActive {
  background: #eef5ff;
}

.searchSuggestKind {
  grid-column: 1;
  width: fit-content;
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.04em;
}

.searchSuggestItem strong {
  grid-column: 1;
  color: var(--text-heading);
  font-size: 14px;
  font-weight: 750;
}

.searchSuggestItem small {
  grid-column: 1;
  overflow: hidden;
  color: var(--text-light);
  font-size: 12px;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.searchSuggestChevron {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  color: #9aadc0;
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
}

.searchBackdrop {
  position: fixed;
  z-index: 90;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  left: 0;
  visibility: hidden;
  background: rgba(16, 32, 51, 0.38);
  opacity: 0;
  pointer-events: none;
  touch-action: none;
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
  transition: opacity var(--transition), visibility 0s linear var(--transition);
}

.searchBackdrop.isVisible {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity var(--transition), visibility 0s;
}

.searchBackdrop.isClosing {
  visibility: visible;
  opacity: 0;
  pointer-events: auto;
  transition: opacity 280ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 280ms;
}

.siteHeader.searchOpen .searchToggle {
  opacity: 0;
  max-width: 0;
  padding-inline: 0;
  gap: 0;
  pointer-events: none;
}

.siteHeader.searchOpen .desktopNav {
  opacity: 0;
  max-width: 0;
  gap: 0;
  pointer-events: none;
}

@media (min-width: 1181px) {
  .siteHeader.searchOpen .searchPanel {
    flex: 1 1 auto;
    margin-left: auto;
  }
}

@media (max-width: 1180px) {
  .siteHeader.searchOpen .searchToggle,
  .siteHeader.searchClosing .searchToggle {
    display: inline-flex;
    opacity: 1;
    max-width: 160px;
    padding-inline: 9px;
    gap: 8px;
    pointer-events: auto;
    margin-left: auto;
  }

  .searchPanel {
    position: fixed;
    z-index: 140;
    top: var(--header-height);
    left: 0;
    right: 0;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin: 0;
    flex: none;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transform-origin: top center;
    background: var(--surface-page);
    box-shadow: none;
    transition:
      opacity var(--transition),
      transform var(--transition),
      visibility 0s linear var(--transition);
  }

  .siteHeader.searchOpen .searchPanel {
    width: 100%;
    min-width: 0;
    max-width: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition:
      opacity var(--transition),
      transform var(--transition),
      visibility 0s;
  }

  .searchPanel {
    height: calc(100dvh - var(--header-height));
    max-height: calc(100vh - var(--header-height));
  }

  .searchPanelInner {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    padding: 14px 16px 20px;
    box-sizing: border-box;
  }

  .searchBarRow {
    gap: 14px;
    margin-bottom: 16px;
  }

  .searchCancel {
    display: inline-flex;
    align-items: center;
  }

  .searchCapsule {
    box-shadow: var(--shadow-inset);
  }

  .searchSuggest {
    position: static;
    z-index: auto;
    top: auto;
    right: auto;
    left: auto;
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow-x: hidden;
    overflow-y: scroll;
    overscroll-behavior: contain;
    padding: 0 0 8px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    transform: none;
    -webkit-overflow-scrolling: touch;
  }

  .siteHeader.searchOpen .searchSuggest:not([hidden]) {
    opacity: 1;
    transform: none;
  }

  .searchSuggestHeading {
    margin: 0 0 10px 2px;
    color: #6a8094;
    font-size: 13px;
    font-weight: 700;
  }

  .searchSuggestCard {
    gap: 10px;
  }

  .searchSuggestItem {
    gap: 4px 12px;
    padding: 14px 14px 14px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    background: var(--surface-card);
    box-shadow: var(--shadow-soft);
  }

  .searchSuggestItem:hover,
  .searchSuggestItem.isActive {
    background: var(--surface-card);
    border-color: rgba(7, 87, 184, 0.22);
    box-shadow: var(--shadow-hover);
  }

  .searchSuggestKind {
    display: inline-flex;
    align-items: center;
    min-height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    background: #e7f0fb;
    font-size: 11px;
    font-weight: 750;
  }

  .searchSuggestItem strong {
    font-size: 15px;
    line-height: 1.35;
  }

  .searchSuggestItem small {
    font-size: 12px;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .searchSuggestChevron {
    color: #8ea3b7;
    font-size: 24px;
  }

  .searchSuggestEmpty {
    padding: 28px 12px;
    background: var(--surface-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
  }

  .searchBackdrop {
    top: var(--header-height);
    background: rgba(16, 32, 51, 0.28);
  }

  .siteHeader.searchClosing .searchPanel {
    pointer-events: none;
    visibility: visible;
    opacity: 0;
    transform: translateY(-12px);
    transition:
      opacity 280ms cubic-bezier(0.2, 0.8, 0.2, 1),
      transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1),
      visibility 0s linear 280ms;
  }
}

@media (prefers-reduced-motion: reduce) {
  .searchPanel,
  .searchToggle,
  .desktopNav,
  .searchBackdrop,
  .searchBackdrop.isClosing,
  .searchSuggest,
  .siteHeader.searchClosing .searchPanel {
    transition: none;
  }
}

.language {
  min-width: 66px;
  min-height: 38px;
  padding-inline: 11px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.language:hover {
  border-color: transparent;
  background: var(--surface-card);
  box-shadow: var(--shadow-xs);
}

.searchToggle:hover {
  color: var(--primary-color);
  background: var(--surface-card);
  box-shadow: var(--shadow-xs);
}

.languageActive {
  color: var(--primary-color);
  font-weight: 800;
}

.languageDivider {
  margin-inline: 5px;
  color: #b0beca;
}

.menuToggle {
  width: 44px;
  height: 44px;
  display: none;
  position: relative;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: var(--surface-card);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
}

/* 以按钮中心为统一基准，确保汉堡与叉号在不同尺寸下始终居中。 */
.menuToggle span {
  width: 20px;
  height: 2px;
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: var(--radius-pill);
  background: var(--text-heading);
  transform-origin: center;
  transition: transform var(--transition), opacity var(--transition);
}

.menuToggle span:nth-child(1) {
  transform: translate(-50%, calc(-50% - 7px));
}

.menuToggle span:nth-child(2) {
  transform: translate(-50%, -50%);
}

.menuToggle span:nth-child(3) {
  transform: translate(-50%, calc(-50% + 7px));
}

.menuOpen .menuToggle span:nth-child(1) {
  transform: translate(-50%, -50%) rotate(45deg);
}

.menuOpen .menuToggle span:nth-child(2) {
  opacity: 0;
  transform: translate(-50%, -50%) scaleX(0);
}

.menuOpen .menuToggle span:nth-child(3) {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.mobileNav {
  position: absolute;
  z-index: 99;
  top: 100%;
  right: 0;
  left: 0;
  overflow: hidden;
  visibility: hidden;
  border-bottom: 1px solid var(--border-hairline);
  background: color-mix(in srgb, var(--surface-page) 96%, transparent);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.menuOpen .mobileNav {
  position: fixed;
  top: var(--header-height);
  right: 0;
  left: 0;
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}

/* 菜单外区域使用浅白色毛玻璃遮罩，层级低于 Header 和菜单。 */
.mobileMenuBackdrop {
  position: fixed;
  z-index: 90;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  left: 0;
  visibility: hidden;
  background: rgba(232, 240, 248, 0.78);
  opacity: 0;
  pointer-events: none;
  touch-action: none;
  overscroll-behavior: contain;
  user-select: none;
  -webkit-user-select: none;
  /* 打开时立即可拦截点击，关闭时等待淡出完成后再隐藏。 */
  transition: opacity var(--transition), visibility 0s linear var(--transition);
}

.mobileMenuBackdrop.isVisible {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity var(--transition), visibility 0s;
}

/* 菜单关闭后短暂保留透明保护层，拦截移动浏览器的延迟兼容点击。 */
.mobileMenuBackdrop.isInteractionGuard {
  visibility: visible;
  opacity: 0;
  pointer-events: auto;
  transition: none;
}

.mobileNavInner {
  max-height: calc(100vh - var(--header-height));
  display: grid;
  gap: 8px;
  overflow-y: auto;
  padding-block: 18px 26px;
}

.mobileNavArrow {
  display: none;
}

.mobileNav .navLink,
.mobileNav .mobileNavCta {
  width: 100%;
  height: 52px;
  padding-inline: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  border-radius: var(--radius-md);
  background: var(--surface-card);
  color: var(--text-main);
  box-shadow: var(--shadow-xs);
  font-size: 15px;
  font-weight: 720;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.mobileNav .mobileNavCta {
  margin-top: 6px;
}

.mobileNav .navLink::after,
.mobileNav .navLink::before {
  display: none;
}

.mobileNav .mobileNavArrow {
  display: inline-block;
  flex: 0 0 auto;
  color: var(--primary-color);
  font-size: 18px;
  line-height: 1;
}

/* =========================
   通用按钮与动效
   ========================= */
.button {
  min-height: 52px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 720;
  line-height: 1;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}

.button b {
  font-size: 16px;
  font-weight: 500;
}

.buttonSmall {
  min-height: 42px;
  padding-inline: 17px;
  font-size: 12px;
}

.buttonPrimary {
  background: linear-gradient(135deg, var(--primary-color), #0871d8);
  color: #ffffff;
  box-shadow: var(--shadow-primary);
}

.buttonOutline {
  border-color: transparent;
  background: var(--surface-card);
  color: var(--text-heading);
  box-shadow: var(--shadow-xs);
}

.buttonGhost {
  border-color: transparent;
  background: var(--surface-card);
  color: var(--primary-color);
  box-shadow: var(--shadow-xs);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.revealDelay {
  transition-delay: 120ms;
}

.reveal.isVisible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   Hero 首屏
   ========================= */
.hero {
  min-height: 780px;
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 6vw, 92px) 0 52px;
  background:
    linear-gradient(rgba(7, 87, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 87, 184, 0.035) 1px, transparent 1px),
    linear-gradient(130deg, #edf2f7 0%, #e8eef5 48%, #e3ebf4 100%);
  background-size: 68px 68px, 68px 68px, auto;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(232, 238, 245, 0) 50%, rgba(232, 238, 245, 0.35));
}

.heroGlow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.heroGlowOne {
  width: 560px;
  height: 560px;
  right: -180px;
  top: -220px;
  background: radial-gradient(circle, rgba(51, 184, 222, 0.2), transparent 67%);
}

.heroGlowTwo {
  width: 400px;
  height: 400px;
  left: -220px;
  bottom: -240px;
  background: radial-gradient(circle, rgba(7, 87, 184, 0.12), transparent 68%);
}

.heroGrid {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(440px, 1.06fr);
  gap: clamp(54px, 7vw, 110px);
  align-items: center;
  position: relative;
  z-index: 2;
}

.heroCopy {
  min-width: 0;
  max-width: 720px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
}

.eyebrow i {
  width: 34px;
  height: 0;
  border-top: 2px solid var(--accent-color);
  flex: 0 0 auto;
}

h1 {
  margin: 0;
  color: var(--text-heading);
  font-size: clamp(46px, 4.9vw, 72px);
  font-weight: 780;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

/* 默认（英文）：允许自动换行 */
.heroTitleLine {
  display: inline;
  white-space: normal;
}

h1 em {
  display: inline;
  position: relative;
  padding-bottom: 0.08em;
  color: var(--primary-color);
  font-style: normal;
  white-space: normal;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  background-image: linear-gradient(90deg, var(--accent-color), var(--primary-color), rgba(7, 87, 184, 0));
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 100% 0.07em;
}

/* 中文：两行各自不拆开 */
:lang(zh) .heroTitleLine,
:lang(zh-CN) .heroTitleLine {
  display: inline-block;
  white-space: nowrap;
}

:lang(zh) h1 em,
:lang(zh-CN) h1 em {
  display: inline-block;
  white-space: nowrap;
  padding-bottom: 8px;
  background-image: none;
}

:lang(zh) h1 em::after,
:lang(zh-CN) h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 6%;
  bottom: 0;
  height: 4px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--accent-color), var(--primary-color), rgba(7, 87, 184, 0));
}

.heroCapabilities {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  max-width: 640px;
  min-width: 0;
  margin: 28px 0 0;
  padding: 0;
  color: var(--text-heading);
  font-size: clamp(18px, 1.55vw, 22px);
  font-weight: 650;
  line-height: 1.45;
}

.heroCapabilities li {
  min-width: 0;
  max-width: 100%;
  word-break: break-word;
}

.heroCapabilities .isOutcome {
  color: var(--primary-color);
  font-weight: 650;
}

.heroActions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.heroTrust {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 28px;
  color: #526a80;
  font-size: 12px;
  font-weight: 650;
}

.heroTrust span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.heroTrust i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(51, 184, 222, 0.12);
}

.heroVisual {
  min-width: 0;
  position: relative;
  padding: 22px 18px 32px 28px;
}

.heroImagePlate {
  aspect-ratio: 1.18 / 1;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: #dfeaf4;
  box-shadow: var(--shadow-md);
}

.heroImagePlate img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 900ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.heroImagePlate picture {
  display: block;
  width: 100%;
  height: 100%;
}

.heroImageShade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 28, 52, 0) 50%, rgba(7, 28, 52, 0.25));
  pointer-events: none;
}

.heroBottomOverlay,
.heroBadge,
.heroStatusCard {
  box-sizing: border-box;
}

.heroBadge,
.heroStatusCard {
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-soft);
}

.heroBadge {
  position: absolute;
  padding: 11px 14px;
}

.heroBadge small,
.heroBadge strong {
  display: block;
}

.heroBadge small {
  margin-bottom: 5px;
  color: var(--text-light);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.heroBadge strong {
  color: var(--text-heading);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.heroBadgeTop {
  top: 20px;
  left: 20px;
}

/* 统一管理图片底部两张浮层卡片，桌面端保持左右分布和底部对齐。 */
.heroBottomOverlay {
  position: absolute;
  z-index: 4;
  right: 20px;
  bottom: 20px;
  left: 20px;
  display: grid;
  grid-template-columns: max-content minmax(240px, 290px);
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  pointer-events: none;
}

.heroBadgeBottom {
  position: static;
  left: auto;
  right: auto;
  bottom: auto;
  margin: 0;
}

.heroStatusCard {
  width: 100%;
  min-width: 0;
  min-height: 76px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  position: static;
  right: auto;
  bottom: auto;
  margin: 0;
  padding: 13px 16px;
}

.heroStatusCard > div {
  min-width: 0;
}

.statusDot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #28b477;
  box-shadow: 0 0 0 6px rgba(40, 180, 119, 0.12);
}

.heroStatusCard small,
.heroStatusCard strong {
  display: block;
}

.heroStatusCard small {
  margin-bottom: 4px;
  color: var(--text-light);
  font-size: 10px;
}

.heroStatusCard strong {
  color: var(--text-heading);
  font-size: 13px;
}

.heroStatusCard > b {
  color: var(--primary-color);
  font-size: 18px;
}

.factGrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  position: relative;
  z-index: 3;
  margin-top: 44px;
}

.factCard {
  min-height: 122px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.factCard::after {
  content: "";
  position: absolute;
  right: -26px;
  bottom: -38px;
  width: 90px;
  height: 90px;
  border: 14px solid rgba(7, 87, 184, 0.035);
  border-radius: 50%;
}

.factCard small {
  position: absolute;
  top: 15px;
  right: 17px;
  color: #9aabba;
  font-size: 10px;
}

.factCard strong {
  color: var(--text-heading);
  font-size: 24px;
  line-height: 1.2;
}

.factCard span {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 12px;
}

/* =========================
   核心技术
   ========================= */
.technology {
  background: var(--bg-page);
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.flowCard {
  min-width: 0;
  min-height: 430px;
  padding: 30px 30px 34px;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.cardNumber {
  color: var(--primary-color);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.flowCard h3 {
  margin: 0 0 14px;
  color: var(--text-heading);
  font-size: clamp(21px, 1.8vw, 26px);
  font-weight: 780;
  letter-spacing: -0.025em;
  line-height: 1.32;
}

.flowCard p {
  margin: 0;
  color: #6c8196;
  font-size: 14px;
  line-height: 1.72;
}

.flowIcon {
  width: min(100%, 168px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  margin: 24px auto 34px;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 28px;
  background: var(--bg-light);
  box-shadow: var(--shadow-inset-soft);
}

/* 图标完全使用清晰矢量线条，不使用 blur/filter/多层阴影，避免鬼影。 */
.flowIconSvg {
  width: 88%;
  height: 88%;
  display: block;
  overflow: visible;
  shape-rendering: geometricPrecision;
  text-rendering: geometricPrecision;
}

.flowIconSvg path,
.flowIconSvg circle,
.flowIconSvg ellipse,
.flowIconSvg rect {
  vector-effect: non-scaling-stroke;
}

.why {
  margin-top: 22px;
  padding: clamp(32px, 4.5vw, 60px);
  display: grid;
  grid-template-columns: minmax(270px, 0.82fr) minmax(0, 1.75fr);
  gap: clamp(42px, 6vw, 90px);
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 15% 30%, rgba(51, 184, 222, 0.13), transparent 26%),
    linear-gradient(135deg, #e6f0f8, #edf3f8);
  box-shadow: var(--shadow-soft);
}

.whyIntro small {
  color: #d97b0f;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.whyIntro h3 {
  margin: 20px 0 0;
  color: var(--text-heading);
  font-size: clamp(27px, 2.5vw, 36px);
  line-height: 1.35;
}

.whyGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 32px;
}

.whyGrid article {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid #bdd5e8;
}

.whyGrid span {
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 800;
}

.whyGrid h4 {
  margin: 0 0 8px;
  color: var(--text-heading);
  font-size: 17px;
}

.whyGrid p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.72;
}

/* =========================
   方案对比
   ========================= */
.compareSection {
  background: var(--bg-page);
}

.compareLayout {
  display: grid;
  grid-template-columns: minmax(280px, 0.68fr) minmax(0, 1.32fr);
  gap: clamp(48px, 7vw, 110px);
  align-items: start;
}

.compareHeading {
  position: sticky;
  top: calc(var(--header-height) + 42px);
}

.compareTableWrap {
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
}

.compareTable {
  min-width: 670px;
}

.compareRow {
  min-height: 76px;
  display: grid;
  grid-template-columns: 0.82fr 1fr 1.18fr;
  border-bottom: 1px solid var(--border-color);
}

.compareRow:last-child {
  border-bottom: 0;
}

.compareRow > div {
  display: flex;
  align-items: center;
  padding: 18px 22px;
  border-left: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.5;
}

.compareRow > div > span {
  min-width: 0;
}

.compareRow > div:first-child {
  border-left: 0;
  color: var(--text-heading);
  font-weight: 700;
}

.compareRow.head {
  min-height: 58px;
  background: var(--surface-muted);
}

.compareRow.head > div {
  color: #71859a;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.compareRow .preferred {
  background: #edf6ff;
  color: #174b75;
}

.preferred i {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  display: grid;
  place-items: center;
  margin-right: 10px;
  border-radius: 50%;
  background: rgba(7, 87, 184, 0.11);
  color: var(--primary-color);
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
}

/* =========================
   产品平台
   ========================= */
.productsSection {
  background: var(--bg-page);
}

.productGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.productCard {
  display: block;
  min-width: 0;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.productMedia {
  aspect-ratio: 16 / 8.2;
  position: relative;
  overflow: hidden;
  background: #dce7f1;
}

.productMedia::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 28, 52, 0.04), rgba(7, 28, 52, 0.32));
  pointer-events: none;
}

.productMedia img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.productMedia picture {
  display: block;
  width: 100%;
  height: 100%;
}

.productMedia > .productIndex,
.productMedia > .productView {
  position: absolute;
  z-index: 2;
  top: 18px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-xs);
}

.productMedia > .productIndex {
  left: 18px;
  min-width: 42px;
  height: 34px;
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 800;
}

.productMedia > .productView {
  right: 18px;
  width: 38px;
  height: 38px;
  color: var(--primary-color);
  font-size: 18px;
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.productContent {
  padding: 28px 30px 30px;
}

.productContent h3 {
  margin: 0 0 13px;
  color: var(--text-heading);
  font-size: clamp(22px, 2vw, 28px);
  line-height: 1.3;
}

.productContent p {
  margin: 0 0 21px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.78;
}

.productContent small {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  background: var(--primary-soft);
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

/* =========================
   应用领域
   ========================= */
.applications {
  background: var(--bg-page);
}

.sectionTitle {
  max-width: 800px;
  margin-bottom: 56px;
}

.appGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.appCard {
  min-height: 390px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.appCard:nth-child(4),
.appCard:nth-child(5) {
  grid-column: span 1;
}

.appTop {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.appTop span {
  color: var(--text-light);
  font-size: 11px;
  font-weight: 800;
}

.appTop a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--surface-card);
  color: var(--primary-color);
  box-shadow: var(--shadow-xs);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.appVisual {
  width: 100%;
  aspect-ratio: 2.45 / 1;
  position: relative;
  overflow: hidden;
  margin: 24px 0 28px;
  border: 1px solid rgba(160, 205, 243, 0.48);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, #edf6ff, #f9fcff);
}

.appVisual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  transform-origin: center;
}


.appCard h3 {
  margin: auto 0 12px;
  color: var(--text-heading);
  font-size: 21px;
  line-height: 1.35;
}

.appCard p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
}

/* =========================
   工程服务
   ========================= */
.service {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 16%, rgba(255, 255, 255, 0.55), transparent 34%),
    radial-gradient(circle at 76% 22%, rgba(255, 255, 255, 0.4), transparent 32%),
    linear-gradient(135deg, #e8eef5 0%, #edf2f7 55%, #e6eef6 100%);
}

.service::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(43, 117, 193, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 117, 193, 0.022) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to right, rgba(0, 0, 0, 0.8), transparent 75%);
}

.serviceLayout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(420px, 0.88fr);
  gap: clamp(64px, 7vw, 112px);
  align-items: center;
  position: relative;
  z-index: 1;
}

.serviceCards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.serviceCard {
  min-height: 252px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 46px 34px 34px;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition),
    background var(--transition);
}

.serviceCard::before,
.serviceCard::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
}

.serviceCard::before {
  right: -40px;
  bottom: -58px;
  width: 152px;
  height: 152px;
  border: 22px solid rgba(7, 87, 184, 0.045);
}

.serviceCard::after {
  right: -12px;
  bottom: -30px;
  width: 94px;
  height: 94px;
  border: 1px solid rgba(7, 87, 184, 0.08);
}

.serviceNumber {
  position: absolute;
  top: 23px;
  right: 25px;
  color: #728aa3;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.serviceCardContent {
  position: relative;
  z-index: 1;
  max-width: 280px;
}

.serviceCard h3 {
  margin: 0 0 14px;
  color: var(--primary-color);
  font-size: clamp(22px, 1.65vw, 27px);
  font-weight: 760;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.serviceCard p {
  margin: 0;
  color: #57708a;
  font-size: 15px;
  line-height: 1.9;
}

.serviceHeading {
  max-width: 560px;
  align-self: center;
  padding-bottom: 18px;
}

.serviceHeading .kicker {
  margin-bottom: 24px;
  font-size: 12px;
  letter-spacing: 0.26em;
}

.serviceHeading h2 {
  max-width: 560px;
  font-size: clamp(58px, 5.4vw, 84px);
  font-weight: 780;
  letter-spacing: -0.065em;
  line-height: 1.18;
}

/* =========================
   关于与联系
   ========================= */
.about {
  background: var(--bg-page);
}

.aboutLayout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  gap: clamp(54px, 8vw, 120px);
  align-items: center;
}

.aboutCopy > p:last-child {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.92;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metrics article {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.metrics article::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -38px;
  width: 100px;
  height: 100px;
  border: 16px solid rgba(7, 87, 184, 0.035);
  border-radius: 50%;
}

.metrics small {
  position: absolute;
  top: 16px;
  right: 18px;
  color: var(--text-light);
  font-size: 10px;
}

.metrics strong {
  color: var(--primary-color);
  font-size: 22px;
  line-height: 1.25;
}

.metrics span {
  margin-top: 9px;
  color: var(--text-muted);
  font-size: 12px;
}

.contact {
  padding: 30px 0 100px;
  background: var(--bg-page);
}

.contactPanel {
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 5vw, 70px);
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 87% 35%, rgba(51, 184, 222, 0.24), transparent 26%),
    linear-gradient(135deg, #eaf3fa 0%, #e3eef8 100%);
  box-shadow: var(--shadow-md);
}

.contactPanel::before {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -170px;
  width: 380px;
  height: 380px;
  border: 46px solid rgba(7, 87, 184, 0.045);
  border-radius: 50%;
}

.contactPanel > div {
  position: relative;
  z-index: 2;
}

.contactPanel > div:first-child {
  max-width: 780px;
}

.contactPanel > div:first-child > p:last-child {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
}

.contactActions {
  min-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* =========================
   页脚
   ========================= */
footer {
  background: var(--surface-card);
  color: var(--text-main);
  border-top: 1px solid var(--border-hairline);
}

footer .brand strong {
  color: var(--text-heading);
}

footer .brand small {
  color: var(--text-light);
}

.footerTop {
  min-height: 150px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footerTop > p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
}

.backTop {
  min-width: 92px;
  height: 40px;
  padding-inline: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--surface-card);
  color: var(--primary-color);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  white-space: nowrap;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition), background var(--transition), transform var(--transition), color var(--transition), box-shadow var(--transition);
}

.footerBottom {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  flex-wrap: wrap;
  padding-block: 16px;
  border-top: 1px solid var(--border-color);
  color: var(--text-light);
  font-size: 15px;
  font-weight: 550;
  line-height: 1.55;
}

.footerBottom span:last-child {
  max-width: min(100%, 36em);
  line-height: 1.5;
  text-align: right;
}

.footerBottom a.icpLink {
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.footerBottom a.icpLink:hover,
.footerBottom a.icpLink:focus-visible {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 3px;
}


/* 仅在具备真实悬浮能力的设备上启用 Hover，避免移动端状态粘滞。 */
@media (hover: hover) and (pointer: fine) {
  .mobileNav .navLink:hover,
  .mobileNav .mobileNavCta:hover {
    transform: translateY(-1px);
    background: var(--surface-card);
    color: var(--primary-color);
    box-shadow: var(--shadow-xs);
  }

  .button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
  }

  .button:active {
    transform: none;
  }

  .buttonPrimary:hover {
    background: linear-gradient(135deg, var(--primary-hover), #065fc0);
    box-shadow: var(--shadow-primary-hover);
  }

  .buttonPrimary:active {
    box-shadow: var(--shadow-primary);
  }

  .buttonOutline:hover,
  .buttonGhost:hover {
    border-color: transparent;
    background: var(--surface-card);
    box-shadow: var(--shadow-hover);
  }

  .buttonOutline:active,
  .buttonGhost:active {
    box-shadow: var(--shadow-inset);
  }

  .heroImagePlate:hover img {
    transform: scale(1.025);
  }

  .factCard:hover,
  .flowCard:hover,
  .productCard:hover,
  .appCard:hover,
  .serviceCard:hover,
  .metrics article:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
  }

  .productCard:hover .productMedia img {
    transform: scale(1.06);
  }

  .productCard:hover .productView,
  .appTop a:hover {
    transform: translateY(-1px);
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: var(--shadow-primary);
  }

  .language:hover,
  .searchToggle:hover,
  .backTop:hover {
    transform: translateY(-1px);
    background: var(--surface-card);
    color: var(--primary-hover);
    box-shadow: var(--shadow-xs);
  }

  .backTop:hover {
    box-shadow: var(--shadow-sm);
  }

  a:hover {
    transition: color var(--transition), transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
  }

}

/* =========================
   响应式布局
   ========================= */
@media (max-width: 1180px) {
  .shell {
    width: min(100% - 48px, 1080px);
  }

  .desktopNav,
  .navCta {
    display: none;
  }

  .headerNavCluster,
  .searchToggle {
    margin-left: auto;
  }

  .navActions {
    margin-left: 0;
  }

  .menuToggle {
    display: grid;
  }

  .heroGrid {
    grid-template-columns: minmax(0, 0.95fr) minmax(390px, 1.05fr);
    gap: 52px;
  }

  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compareLayout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .compareHeading {
    position: static;
    max-width: 760px;
  }

  .serviceLayout {
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
    gap: 48px;
  }

  .serviceCard {
    min-height: 230px;
    padding: 42px 28px 30px;
  }

  .serviceHeading h2 {
    font-size: clamp(52px, 6vw, 68px);
  }

  .appGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .aboutLayout {
    grid-template-columns: 1fr;
  }

  .metrics {
    max-width: 780px;
  }
}

@media (max-width: 860px) {
  :root {
    --nav-height: 72px;
    --section-space: 90px;
  }

  .brand {
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
  }

  .headerBrandLogo {
    width: clamp(150px, 24vw, 195px);
  }

  .brand > span {
    min-width: 0;
  }

  .brand strong {
    font-size: 16px;
  }

  .hero {
    min-height: 0;
    padding-top: 48px;
  }

  .heroGrid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .heroCopy {
    max-width: 720px;
  }

  .heroVisual {
    max-width: 720px;
    padding: 0 12px 28px;
  }

  .heroBottomOverlay {
    right: 16px;
    bottom: 16px;
    left: 16px;
    gap: 12px;
  }

  .factGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .splitIntro {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .why {
    grid-template-columns: 1fr;
  }

  .productGrid {
    grid-template-columns: 1fr;
  }

  .serviceLayout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .serviceHeading {
    order: -1;
    max-width: 700px;
    padding-bottom: 0;
  }

  .serviceHeading h2 {
    max-width: 700px;
    font-size: clamp(42px, 8vw, 62px);
  }

  .serviceCards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .productCard {
    max-width: 760px;
  }

  .contactPanel {
    align-items: flex-start;
    flex-direction: column;
  }

  .contactActions {
    width: min(100%, 360px);
  }
}

@media (max-width: 620px) {
  :root {
    --nav-height: 70px;
    --section-space: 76px;
  }

  .shell {
    width: calc(100% - 32px);
  }


  .nav {
    height: var(--nav-height);
    min-height: var(--nav-height);
  }

  .brandMark {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .headerBrandLogo {
    width: 148px;
    max-height: 46px;
  }

  .brand small {
    display: none;
  }

  .brand strong {
    max-width: 160px;
    overflow: hidden;
    font-size: 15px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .language {
    min-width: 56px;
    padding-inline: 6px;
    font-size: 12px;
  }

  .menuToggle {
    width: 42px;
    height: 42px;
  }

  .hero {
    padding-top: 40px;
    background-size: 48px 48px, 48px 48px, auto;
  }

  h1 {
    font-size: clamp(38px, 10vw, 54px);
    letter-spacing: -0.045em;
  }

  .heroCapabilities {
    margin-top: 22px;
    gap: 12px;
    font-size: 17px;
  }

  h1 em {
    white-space: normal;
  }

  .heroTitleLine {
    white-space: normal;
  }

  .heroActions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .heroActions .button {
    width: 100%;
  }

  .heroTrust {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .heroVisual {
    padding: 0;
  }

  .heroImagePlate {
    aspect-ratio: 1.18 / 1;
  }

  .heroBadge {
    padding: 9px 10px;
  }

  .heroBadgeTop {
    top: 12px;
    left: 12px;
    padding: 8px 9px;
  }

  .heroBadgeTop small {
    margin-bottom: 3px;
    font-size: 7.5px;
  }

  .heroBadgeTop strong {
    font-size: 11px;
  }

  /* 移动端底部卡片保持同一行，并限制状态卡片宽度，避免再次形成上下错位。 */
  .heroBottomOverlay {
    right: 10px;
    bottom: 10px;
    left: 10px;
    grid-template-columns: minmax(100px, 110px) minmax(168px, 216px);
    align-items: stretch;
    justify-content: space-between;
    gap: 8px;
  }

  .heroBadgeBottom {
    width: 100%;
    min-width: 0;
    min-height: 56px;
    max-width: none;
    padding: 8px 9px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .heroBadgeBottom small {
    margin-bottom: 3px;
    font-size: 7.5px;
    letter-spacing: 0.05em;
  }

  .heroBadgeBottom strong {
    font-size: 10px;
    line-height: 1.15;
    white-space: nowrap;
  }

  .heroStatusCard {
    width: 100%;
    max-width: 216px;
    min-width: 0;
    min-height: 56px;
    justify-self: end;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 5px;
    padding: 8px 9px;
  }

  .statusDot {
    width: 8px;
    height: 8px;
    box-shadow: 0 0 0 4px rgba(40, 180, 119, 0.12);
  }

  .heroStatusCard small {
    margin-bottom: 2px;
    font-size: 7.5px;
    line-height: 1.15;
    white-space: nowrap;
  }

  .heroStatusCard strong {
    font-size: 9.5px;
    line-height: 1.15;
    white-space: nowrap;
  }

  .heroStatusCard > b {
    font-size: 14px;
    line-height: 1;
    white-space: nowrap;
  }

  .factGrid {
    gap: 10px;
    margin-top: 30px;
  }

  .factCard {
    min-height: 108px;
    padding: 18px 16px;
  }

  .factCard strong {
    font-size: 19px;
  }

  .section h2,
  .contact h2 {
    font-size: 36px;
    letter-spacing: -0.035em;
  }

  .flow,
  .whyGrid,
  .appGrid,
  .metrics {
    grid-template-columns: 1fr;
  }

  .flowCard {
    min-height: 0;
    padding: 24px 22px 27px;
  }

  .flowIcon {
    width: 146px;
    margin-block: 20px 26px;
    border-radius: 24px;
  }

  .flowCard h3 {
    font-size: 22px;
  }

  .flowCard {
    min-height: 390px;
    padding: 26px;
  }

  .flowIcon {
    width: min(100%, 156px);
    margin-block: 22px 30px;
  }

  .why {
    padding: 30px 22px;
  }

  .whyGrid article {
    grid-template-columns: 30px 1fr;
  }

  .compareTableWrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-inline: contain;
  }

  /* 手机端压缩三列表格，减少横向滚动距离并保留完整内容。 */
  .compareTable {
    width: 100%;
    min-width: 540px;
  }

  .compareRow {
    min-height: 58px;
    grid-template-columns:
      minmax(112px, 0.78fr)
      minmax(154px, 1fr)
      minmax(174px, 1.12fr);
  }

  .compareRow > div {
    min-width: 0;
    padding: 11px 10px;
    font-size: 12px;
    line-height: 1.45;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .compareRow > div:first-child {
    font-size: 12px;
    font-weight: 700;
  }

  .compareRow.head {
    min-height: 46px;
  }

  .compareRow.head > div {
    padding: 9px 8px;
    font-size: 9px;
    line-height: 1.35;
    letter-spacing: 0.02em;
    text-transform: none;
  }

  .preferred i {
    width: 18px;
    height: 18px;
    flex: 0 0 18px;
    margin-right: 6px;
    font-size: 9px;
  }

  .compareRow .preferred {
    align-items: center;
  }

  .compareRow .preferred span {
    min-width: 0;
    white-space: normal;
  }

  .productMedia {
    aspect-ratio: 16 / 9.5;
  }

  .productContent {
    padding: 24px 22px 26px;
  }

  .appCard {
    min-height: 360px;
    padding: 22px;
  }

  .serviceCards {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .serviceCard {
    min-height: 200px;
    padding: 38px 24px 28px;
    border-radius: var(--radius-lg);
  }

  .serviceNumber {
    top: 19px;
    right: 21px;
  }

  .serviceCard h3 {
    font-size: 22px;
  }

  .serviceCard p {
    font-size: 14px;
    line-height: 1.8;
  }

  .metrics article {
    min-height: 140px;
  }

  .contact {
    padding-bottom: 76px;
  }

  .contactPanel {
    min-height: 0;
    gap: 34px;
    padding: 34px 22px;
  }

  .contactActions {
    width: 100%;
  }

  .contactActions .button {
    width: 100%;
  }

  .footerTop {
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    padding-block: 38px;
  }

  .footerTop > p {
    text-align: left;
    line-height: 1.7;
  }

  .footerBottom {
    min-height: 72px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding-block: 14px;
  }

  .footerBottom span:last-child {
    max-width: 100%;
    text-align: left;
  }
}


@media (max-width: 360px) {
  /* 320px 等超窄屏仍保持同一底栏，通过更紧凑的两列尺寸避免视觉断层。 */
  h1 {
    font-size: clamp(34px, 9.5vw, 44px);
  }

  .heroCapabilities {
    font-size: 16px;
  }

  .heroImagePlate {
    aspect-ratio: 1 / 1;
  }

  .heroImagePlate img {
    object-position: center;
  }

  .heroBottomOverlay {
    right: 9px;
    bottom: 9px;
    left: 9px;
    grid-template-columns: minmax(88px, 98px) minmax(0, 1fr);
    gap: 6px;
  }

  .heroBadgeBottom {
    min-height: 52px;
    padding: 7px 8px;
  }

  .heroBadgeBottom small,
  .heroStatusCard small {
    font-size: 7px;
  }

  .heroBadgeBottom strong {
    font-size: 9px;
  }

  .heroStatusCard {
    max-width: none;
    min-height: 52px;
    gap: 4px;
    padding: 7px 8px;
  }

  .heroStatusCard strong {
    font-size: 9px;
  }

  .heroStatusCard > b {
    font-size: 13px;
  }

  .statusDot {
    width: 7px;
    height: 7px;
    box-shadow: 0 0 0 3px rgba(40, 180, 119, 0.12);
  }
}


@media (max-width: 390px) {
  .compareTable {
    min-width: 510px;
  }

  .compareRow {
    min-height: 54px;
    grid-template-columns:
      minmax(104px, 0.76fr)
      minmax(144px, 1fr)
      minmax(162px, 1.08fr);
  }

  .compareRow > div {
    padding: 9px 7px;
    font-size: 11px;
    line-height: 1.4;
  }

  .compareRow > div:first-child {
    font-size: 11px;
  }

  .compareRow.head > div {
    padding: 8px 6px;
    font-size: 8.5px;
  }

  .preferred i {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    margin-right: 4px;
    font-size: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .mobileMenuBackdrop {
    transition: none;
  }
}

/* =========================
   产品卡片详情入口
   ========================= */
.productMedia > .productView {
  width: auto;
  min-width: 82px;
  height: 38px;
  display: inline-flex;
  grid-auto-flow: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding-inline: 12px;
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.productView b {
  font-size: 15px;
  font-weight: 500;
}

/* =========================
   产品详情页
   ========================= */
.productDetailPage {
  min-width: 0;
  background: var(--surface-page);
}

.productDetailPage footer {
  background: transparent;
  border-top: 0;
}

.productDetailPage .siteHeader {
  position: fixed;
  right: 0;
  left: 0;
}

.productDetailPage {
  --detail-trail-height: 56px;
}

.productDetailMain {
  padding-top: calc(var(--header-height) + var(--detail-trail-height));
}

.productDetailHero {
  padding: 0 0 8px;
  background: transparent;
}

.detailTrailBar {
  position: fixed;
  top: var(--header-height);
  right: 0;
  left: 0;
  z-index: 90;
  height: var(--detail-trail-height);
  border-bottom: 1px solid var(--border-hairline);
  background: color-mix(in srgb, var(--surface-page) 97%, #ffffff);
}

.detailTrail {
  box-sizing: border-box;
  /* 保留 .shell 的水平居中，不要被 margin:0 冲掉 */
  height: var(--detail-trail-height);
  min-height: var(--detail-trail-height);
  display: flex;
  align-items: center;
  gap: 24px;
  margin-block: 0;
  margin-inline: auto;
  padding: 0;
}

.productDetailHero > .shell {
  padding-top: 28px;
}

.detailBackIcon {
  box-sizing: border-box;
  position: relative;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #ffffff;
  line-height: 1;
  transition: transform var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.detailBackIcon::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: 2px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
}

.detailBack,
.detailHeroBack {
  box-sizing: border-box;
  flex: 0 0 auto;
  flex-shrink: 0;
  min-width: max-content;
  width: max-content;
  max-width: 100%;
  height: 38px;
  min-height: 38px;
  display: inline-flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  margin: 0;
  padding: 6px 16px 6px 6px;
  border: none;
  border-radius: var(--radius-pill);
  background: #d7e7f8;
  color: var(--primary-color);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  appearance: none;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
}

.detailBack > span:not(.detailBackIcon),
.detailHeroBack > span:not(.detailBackIcon) {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 26px;
  white-space: nowrap;
  writing-mode: horizontal-tb;
}

.detailHeroBack {
  margin-bottom: 14px;
}

.detailBreadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--text-light);
  font-size: 12px;
  font-weight: 650;
}

.detailBreadcrumb a {
  color: #71869a;
}

.detailBreadcrumb span:last-child {
  overflow: hidden;
  color: #60758a;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detailBreadcrumb .isCurrent {
  color: var(--primary-color);
  font-weight: 750;
}

.modelTrail {
  justify-content: flex-start;
}

.detailBreadcrumb .detailBack {
  flex-shrink: 0;
  color: var(--primary-color);
}

.modelPills span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.modelPills svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.modelMetric {
  min-height: 104px;
}

.modelSpecGrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

.modelConfigGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 16px 0;
  align-items: stretch;
}

.modelConfigGrid > .modelPanel {
  height: 100%;
}

.modelSpecPanel {
  margin-bottom: 0;
}

.modelSpecTable {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--surface-card);
}

.modelSpecTable .detailParameterRow {
  min-height: 48px;
  grid-template-columns: minmax(96px, 0.42fr) minmax(0, 1fr);
  border-top: 0;
  border-bottom: 1px solid var(--border-color);
}

.modelSpecTable .detailParameterRow:nth-child(odd) {
  border-right: 1px solid var(--border-color);
}

.modelSpecTable .detailParameterRow:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.modelSpecTable .detailParameterRow > div {
  padding: 12px 16px;
}

.modelDeliverList {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.modelDeliverList li {
  position: relative;
  padding-left: 16px;
  color: var(--text-heading);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.modelDeliverList li::before {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  left: 0;
  top: 0.55em;
  border-radius: 50%;
  background: var(--primary-color);
}

.modelDeliverList a {
  color: inherit;
}

.modelSiblingTable {
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-md);
}

.modelPanelTitle {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--text-heading);
  font-size: 18px;
  font-weight: 780;
}

.modelPanelTitle::after {
  content: "";
  width: 36px;
  height: 3px;
  border-radius: 99px;
  background: var(--primary-color);
}

.modelConfigList,
.modelOptionList {
  margin: 0;
  padding: 0;
  list-style: none;
}

.modelConfigList {
  display: grid;
  gap: 12px;
}

.modelConfigList li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.modelConfigList li > span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary-color);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  box-shadow: var(--shadow-primary);
}

.modelConfigList p {
  margin: 0;
  color: var(--text-heading);
  font-size: 14px;
  font-weight: 650;
}

.modelOptionsTitle {
  margin: 0 0 10px;
  padding-top: 0;
  border-top: 0;
  color: var(--text-heading);
  font-size: 15px;
  font-weight: 760;
}

.modelOptionList {
  display: grid;
  gap: 12px;
}

.modelOptionList li {
  position: relative;
  padding-left: 16px;
  color: var(--text-heading);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.55;
}

.modelOptionList li::before {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  left: 0;
  top: 0.55em;
  border-radius: 50%;
  background: var(--primary-color);
}

.modelSiblingPanel h2 {
  margin-bottom: 14px;
}

.modelSiblingList,
.modelSiblingTable {
  display: grid;
  gap: 0;
}

.modelSiblingRow {
  min-height: 56px;
  display: grid;
  grid-template-columns:
    minmax(128px, 1.2fr)
    minmax(88px, 0.7fr)
    minmax(108px, 0.9fr)
    minmax(64px, 0.55fr)
    minmax(72px, 0.55fr);
  align-items: center;
  gap: 0;
  padding: 0;
  border: 0;
  border-top: 1px solid var(--border-color);
  border-radius: 0;
  background: transparent;
  color: inherit;
  text-decoration: none;
}

.modelSiblingRow:first-child {
  border-top: 0;
}

.modelSiblingHeadRow {
  min-height: 40px;
  background: var(--surface-muted);
}

.modelSiblingRow > * {
  min-width: 0;
  padding: 12px 16px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.4;
}

.modelSiblingHeadRow > * {
  color: #8ca0b3;
  font-size: 12px;
  font-weight: 700;
}

.modelSiblingRow.is-current {
  background: transparent;
  cursor: default;
}

.modelSiblingRow .modelSiblingCode {
  color: var(--text-heading);
  font-size: 15px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.detailModelRowLink::after {
  content: "";
  position: absolute;
  inset: 0;
}

.detailHeroGrid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
  gap: clamp(40px, 5.2vw, 80px);
  align-items: center;
  padding: 8px 0 18px;
}

.detailHeroMedia {
  min-height: 388px;
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: #081421;
  box-shadow: var(--shadow-md);
}

.detailHeroMedia::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 16, 29, 0.04), rgba(5, 16, 29, 0.2)),
    linear-gradient(90deg, rgba(7, 87, 184, 0.08), transparent 30%);
}

.detailHeroMedia img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.detailHeroMedia picture {
  position: absolute;
  inset: 0;
  display: block;
}

.detailMediaGlow {
  width: 240px;
  height: 240px;
  position: absolute;
  z-index: 3;
  right: 16%;
  top: 50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 174, 67, 0.18), transparent 68%);
  transform: translateY(-50%);
  pointer-events: none;
  mix-blend-mode: screen;
}

.detailHeroCopy {
  min-width: 0;
  padding-block: 22px;
}

.detailEyebrow {
  margin: 0 0 16px;
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.detailHeroCopy h1 {
  font-size: clamp(38px, 3.6vw, 54px);
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.detailSummary {
  max-width: 670px;
  margin: 24px 0 0;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
}

.detailTags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.detailTags span {
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: var(--primary-soft);
  color: var(--primary-color);
  font-size: 12px;
  font-weight: 750;
}

.detailHeroActions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.detailHeroActions .button {
  min-height: 48px;
  padding-inline: 22px;
}

.detailDownloadIcon {
  color: var(--primary-color);
  font-size: 18px;
  font-weight: 800;
}

#downloadProductData[data-state="done"] {
  border-color: rgba(7, 87, 184, 0.4);
  background: var(--primary-soft);
}

.detailMetricGrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 8px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.modelDetailPage .detailMetricGrid {
  display: none;
}

.detailMetric {
  min-height: 112px;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 18px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.detailMetric:first-child {
  border-left: 1px solid transparent;
}

.detailMetricIcon,
.detailApplicationCard > span,
.detailContactIcon {
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #e8f1fb, var(--surface-card));
  color: var(--primary-color);
  box-shadow: var(--shadow-xs);
}

.detailMetricIcon {
  width: 48px;
  height: 48px;
}

.detailMetricIcon svg,
.detailApplicationCard svg,
.detailContactIcon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.detailMetric small,
.detailMetric strong,
.detailMetric p {
  display: block;
}

.detailMetric small {
  color: #718499;
  font-size: 10px;
  font-weight: 750;
}

.detailMetric strong {
  margin-top: 4px;
  color: var(--text-heading);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1.25;
  white-space: nowrap;
}

.detailMetric p {
  margin: 5px 0 0;
  color: var(--text-muted);
  font-size: 10px;
  line-height: 1.45;
}

.detailBodySection {
  padding: 12px 0 20px;
  background: transparent;
}

.detailLead {
  max-width: 820px;
  margin: 10px 0 18px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.75;
}

.detailAdvantageStrip {
  margin-bottom: 16px;
}

.detailAdvantageStrip h2 {
  margin-bottom: 18px;
}

.detailAdvantageGrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 22px;
}

.detailAdvantageItem {
  min-width: 0;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.detailAdvantageItem > span {
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  margin-top: 3px;
  border: 1px solid rgba(7, 87, 184, 0.45);
  border-radius: 50%;
  color: var(--primary-color);
  font-size: 9px;
  font-weight: 800;
}

.detailAdvantageItem strong {
  display: block;
  color: var(--text-heading);
  font-size: 15px;
  font-weight: 760;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.detailAdvantageItem p {
  margin: 5px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.detailPanelGrid {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
  gap: 16px;
}

.detailPanel {
  min-width: 0;
  padding: 28px 32px;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.detailPanel h2 {
  margin: 0 0 16px;
  color: var(--text-heading);
  font-size: 19px;
  font-weight: 780;
  letter-spacing: -0.015em;
}

.detailIntroPanel p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.78;
}

.detailIntroPanel p + p {
  margin-top: 6px;
}

.detailAdvantagePanel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.detailAdvantagePanel li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
}

.detailAdvantagePanel li > span {
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  margin-top: 2px;
  border: 1px solid rgba(7, 87, 184, 0.45);
  border-radius: 50%;
  color: var(--primary-color);
  font-size: 9px;
  font-weight: 800;
}

.detailAdvantagePanel li p {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
}

.detailApplicationStrip {
  margin-bottom: 16px;
}

.detailApplicationStrip h2 {
  margin-bottom: 18px;
}

.detailApplicationGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.detailApplicationCard {
  min-width: 0;
  min-height: 88px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 16px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition), box-shadow var(--transition);
}

.detailApplicationCard > span {
  width: 38px;
  height: 38px;
  background: var(--surface-card);
}

.detailApplicationCard svg {
  width: 22px;
  height: 22px;
}

.detailApplicationCard h3 {
  margin: 1px 0 6px;
  color: var(--text-heading);
  font-size: 15px;
  font-weight: 760;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.detailApplicationCard p {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.detailModelStrip {
  margin-bottom: 4px;
}

.detailModelHead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.detailModelHead h2 {
  margin: 0;
}

.detailModelHead span {
  color: var(--text-light);
  font-size: 13px;
  white-space: nowrap;
}

.detailModelTable {
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-md);
}

.detailModelRow {
  min-height: 56px;
  position: relative;
  display: grid;
  grid-template-columns:
    minmax(128px, 1.15fr)
    minmax(88px, 0.7fr)
    minmax(108px, 0.9fr)
    minmax(64px, 0.55fr)
    minmax(72px, 0.55fr)
    minmax(68px, 0.5fr);
  align-items: center;
  border-top: 1px solid var(--border-color);
}

.detailModelRow:first-child {
  border-top: 0;
}

.detailModelHeadRow {
  min-height: 40px;
  background: var(--surface-muted);
}

.detailModelRow > div {
  min-width: 0;
  padding: 10px 14px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.detailModelHeadRow > div {
  color: #8ca0b3;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.detailModelCode {
  color: var(--text-heading) !important;
  font-size: 15px !important;
  font-weight: 760;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.detailModelStatus {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  background: #eef3f8;
  color: #3d5a73;
  font-size: 11px;
  font-weight: 700;
}

.detailModelStatus.is-featured {
  background: var(--primary-soft);
  color: var(--primary-color);
}

.detailModelAction {
  text-align: right;
}

.detailModelAction a {
  color: var(--primary-color);
  font-size: 13px;
  font-weight: 750;
  white-space: nowrap;
}

.detailModelNote {
  margin: 10px 0 0;
  color: var(--text-light);
  font-size: 10px;
  line-height: 1.5;
}

.detailParameterPanel {
  padding-bottom: 20px;
}

.detailParameterTable {
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-md);
}

.detailParameterRow {
  min-height: 38px;
  display: grid;
  grid-template-columns: minmax(108px, 0.42fr) minmax(0, 1fr);
  border-top: 1px solid var(--border-color);
}

.detailParameterRow:first-child {
  border-top: 0;
}

.detailParameterRow > div {
  min-width: 0;
  display: flex;
  align-items: center;
  padding: 8px 14px;
  border-left: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.detailParameterRow > div:first-child {
  border-left: 0;
}

.detailParameterName {
  background: var(--surface-muted);
  color: #34536d !important;
  font-weight: 750;
}

.detailParameterValue {
  background: var(--surface-card);
}

.detailParameterNote {
  margin: 10px 0 0;
  color: var(--text-light);
  font-size: 10px;
  line-height: 1.5;
}

.detailContactSection {
  padding: 8px 0 56px;
  background: transparent;
}

.detailContactPanel {
  min-height: 96px;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 20px 28px;
  border: 1px solid transparent;
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-soft);
}

.detailContactIcon {
  width: 48px;
  height: 48px;
  color: var(--primary-color);
}

.detailContactPanel h2 {
  margin: 0;
  color: var(--primary-color);
  font-size: 19px;
  line-height: 1.35;
}

.detailContactPanel p {
  margin: 5px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.detailContactPanel .button {
  min-width: 0;
  width: max-content;
  min-height: 46px;
  padding-inline: 22px;
}

@media (hover: hover) and (pointer: fine) {
  .detailBack:hover,
  .detailHeroBack:hover {
    transform: translateY(-1px);
    background: #c9def4;
    box-shadow: var(--shadow-sm);
    color: var(--primary-hover);
  }

  .detailBack:hover .detailBackIcon,
  .detailHeroBack:hover .detailBackIcon {
    background: var(--primary-hover);
    box-shadow: var(--shadow-primary);
    transform: translateX(-1px);
  }

  .detailBack:active,
  .detailHeroBack:active {
    transform: none;
  }

  .detailHeroMedia:hover img {
    transform: scale(1.025);
  }

  .detailPanel:hover,
  .detailMetric:hover,
  .detailApplicationCard:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-hover);
  }

  .detailModelAction a:hover {
    color: var(--primary-hover);
  }

  .detailModelRow:hover {
    background: #f3f8ff;
  }

  .detailModelHeadRow:hover {
    background: var(--surface-muted);
  }

  a.modelSiblingRow:hover {
    background: #f3f8ff;
  }
}

@media (max-width: 1180px) {
  .detailHeroGrid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
    gap: 42px;
  }

  .detailMetricGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detailAdvantageGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (max-width: 860px) {
  .productDetailHero {
    padding-top: 0;
  }

  .productDetailHero > .shell {
    padding-top: 20px;
  }

  .detailHeroGrid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .detailHeroMedia {
    min-height: 0;
    aspect-ratio: 16 / 8.7;
  }

  .detailHeroCopy {
    padding-block: 0 10px;
  }

  .detailPanelGrid {
    grid-template-columns: 1fr;
  }

  .detailApplicationGrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }

  .modelSpecGrid,
  .modelConfigGrid {
    grid-template-columns: 1fr;
  }

  .modelSpecTable {
    grid-template-columns: 1fr;
  }

  .modelSpecTable .detailParameterRow:nth-child(odd) {
    border-right: 0;
  }

  .modelSpecTable .detailParameterRow:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--border-color);
  }

  .modelSpecTable .detailParameterRow:last-child {
    border-bottom: 0;
  }

  .modelTrail {
    gap: 12px;
  }

  .detailModelRow {
    grid-template-columns:
      minmax(112px, 1.1fr)
      minmax(72px, 0.7fr)
      minmax(92px, 0.9fr)
      minmax(52px, 0.5fr)
      minmax(60px, 0.5fr)
      minmax(56px, 0.45fr);
  }

  .detailModelRow > div {
    padding: 10px 10px;
    font-size: 12px;
  }

  .detailContactPanel {
    grid-template-columns: 52px minmax(0, 1fr);
  }

  .detailContactPanel .button {
    grid-column: 1 / -1;
    width: 100%;
  }
}

@media (max-width: 620px) {
  .productDetailHero {
    padding: 0 0 14px;
  }

  .productDetailHero > .shell {
    padding-top: 14px;
  }

  .productDetailPage {
    --detail-trail-height: 78px;
  }

  .detailTrailBar {
    height: var(--detail-trail-height);
  }

  .detailTrail,
  body.modelDetailPage .detailTrail {
    height: var(--detail-trail-height);
    min-height: var(--detail-trail-height);
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    margin-block: 0;
    margin-inline: auto;
    padding: 8px 0;
  }

  .detailBack,
  .detailHeroBack {
    flex: 0 0 auto;
    min-width: max-content;
    width: max-content;
    max-width: 100%;
    height: 36px;
    min-height: 36px;
    padding: 5px 12px 5px 5px;
    white-space: nowrap;
  }

  .detailBackIcon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
  }

  .detailBack > span:not(.detailBackIcon),
  .detailHeroBack > span:not(.detailBackIcon) {
    height: 24px;
  }

  .detailBreadcrumb,
  body.modelDetailPage .detailBreadcrumb {
    width: 100%;
    max-width: 100%;
    flex-wrap: wrap;
    padding-inline: 2px;
  }

  .detailHeroGrid {
    gap: 24px;
    padding-top: 0;
  }

  .detailHeroMedia {
    aspect-ratio: 1.35 / 1;
  }

  .detailHeroCopy h1 {
    font-size: clamp(35px, 10vw, 46px);
  }

  .detailSummary {
    margin-top: 18px;
    font-size: 14px;
    line-height: 1.78;
  }

  .detailHeroActions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 24px;
  }

  .detailHeroActions .button {
    width: 100%;
  }

  .detailMetricGrid {
    grid-template-columns: 1fr;
  }

  .detailMetric,
  .detailMetric:nth-child(3) {
    min-height: 94px;
    padding: 15px 17px;
  }

  .detailBodySection {
    padding-top: 0;
  }

  .detailLead {
    margin: 4px 0 14px;
    font-size: 14px;
  }

  .detailAdvantageGrid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .detailPanel {
    padding: 22px 18px;
  }

  .detailPanel h2 {
    font-size: 18px;
  }

  .detailIntroPanel p,
  .detailAdvantagePanel li p {
    font-size: 12px;
  }

  .detailApplicationGrid {
    grid-template-columns: 1fr;
  }

  .detailApplicationCard {
    min-height: 82px;
  }

  .detailModelHead {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
  }

  .detailModelTable {
    border: 0;
    border-radius: 0;
  }

  .detailModelHeadRow {
    display: none;
  }

  .detailModelRow {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 12px;
    padding: 14px 2px 12px;
    border-top: 1px solid var(--border-color);
  }

  .detailModelRow > div {
    padding: 0;
  }

  .detailModelRow > div[data-label]::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 2px;
    color: #8ca0b3;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
  }

  .detailModelCode {
    font-size: 16px !important;
  }

  .detailModelCode::before,
  .detailModelAction::before {
    display: none;
  }

  .detailModelAction {
    align-self: center;
  }

  .detailParameterPanel {
    overflow: hidden;
  }

  .detailParameterTable {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .detailParameterRow {
    min-width: 0;
    grid-template-columns: minmax(96px, 0.4fr) minmax(0, 1fr);
  }

  .detailContactSection {
    padding-bottom: 28px;
  }

  .detailContactPanel {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    padding: 18px;
  }

  .modelSiblingRow {
    min-height: 0;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 12px;
    padding: 14px 2px 12px;
  }

  .modelSiblingHeadRow {
    display: none;
  }

  .modelSiblingRow > * {
    padding: 0;
  }

  .modelSiblingRow .modelSiblingCode {
    grid-column: 1;
    grid-row: 1;
    font-size: 16px;
  }

  .modelSiblingRow > *:last-child {
    grid-column: 2;
    grid-row: 1;
  }

  .modelSiblingRow > *:not(.modelSiblingCode):not(:last-child) {
    grid-column: 1 / -1;
  }

  .modelSiblingRow > *[data-label]::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 2px;
    color: #8ca0b3;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.04em;
  }

  .modelSiblingRow .modelSiblingCode::before {
    display: none;
  }

  .detailContactIcon {
    width: 42px;
    height: 42px;
  }

  .detailContactPanel h2 {
    font-size: 17px;
  }

  .detailContactPanel .button {
    min-width: 0;
    padding-inline: 16px;
    font-size: 12px;
  }

  .productMedia > .productView {
    top: 14px;
    right: 14px;
    min-width: 76px;
  }
}


/* =========================
   联系咨询弹窗（新拟态）
   ========================= */
body.contactModalOpen {
  overflow: hidden;
}

.contactModal {
  position: fixed;
  inset: 0;
  z-index: 220;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  box-sizing: border-box;
}

.contactModal[hidden] {
  display: none !important;
}

.contactModalBackdrop {
  position: absolute;
  inset: 0;
  border: 0;
  margin: 0;
  padding: 0;
  cursor: pointer;
  background: rgba(16, 32, 51, 0.28);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contactModalDialog {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  max-height: min(86vh, 720px);
  overflow: auto;
  padding: 32px 28px 28px;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xl);
  background: var(--surface-card);
  box-shadow: var(--shadow-lg);
  color: var(--text-main);
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  transform: translate3d(0, 14px, 0) scale(0.96);
  transition:
    opacity 280ms cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: opacity, transform;
}

.contactModal.isOpen .contactModalBackdrop {
  opacity: 1;
}

.contactModal.isOpen .contactModalDialog {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.contactModal.isClosing {
  pointer-events: none;
}

.contactModal.isClosing .contactModalBackdrop {
  opacity: 0;
}

.contactModal.isClosing .contactModalDialog {
  opacity: 0;
  transform: translate3d(0, 10px, 0) scale(0.98);
}

.contactModalHead {
  margin-bottom: 22px;
  text-align: left;
}

.contactModalHead h2 {
  margin: 0 0 10px;
  color: var(--text-heading);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.contactModalHead p {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 550;
  line-height: 1.65;
}

.contactModalList {
  margin: 0;
  padding: 4px 0;
  border-radius: var(--radius-lg);
  background: var(--surface-page);
  box-shadow: var(--shadow-inset-soft);
}

.contactModalRow {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px 18px;
  align-items: start;
  margin: 0;
  padding: 14px 18px;
}

.contactModalRow + .contactModalRow {
  border-top: 1px solid var(--border-hairline);
}

.contactModalRow dt {
  margin: 0;
  color: var(--text-light);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.5;
}

.contactModalRow dd {
  margin: 0;
  color: var(--text-heading);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  word-break: break-word;
}

.contactModalRow a {
  color: var(--primary-color);
  text-decoration: none;
}

.contactModalRow a:hover {
  text-decoration: underline;
}

.contactModalTip {
  margin: 18px 0 22px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 550;
  line-height: 1.65;
  text-align: center;
}

.contactModalClose {
  width: 100%;
  box-shadow: var(--shadow-primary);
}

.contactModalClose:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary-hover);
}

.mobileNav .mobileNavCta.js-open-contact {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  width: 100%;
  margin: 0;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: 720;
  letter-spacing: normal;
  line-height: 1.2;
  color: var(--text-main);
}

.mobileNav .mobileNavCta.js-open-contact > span {
  font: inherit;
  font-weight: 720;
}

@media (max-width: 560px) {
  .contactModalDialog {
    padding: 26px 18px 20px;
  }

  .contactModalRow {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 12px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contactModalBackdrop,
  .contactModalDialog,
  .contactModal.isOpen .contactModalDialog,
  .contactModal.isClosing .contactModalDialog {
    transition: none;
    transform: none;
  }
}


/* 本平台型号 — 空态（无标准机型） */
.detailModelEmpty {
  display: grid;
  gap: 18px;
  justify-items: start;
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background: var(--surface-page);
  box-shadow: var(--shadow-inset-soft);
}

.detailModelEmptyBody {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 550;
  line-height: 1.65;
  max-width: 42em;
}

.detailModelStripEmpty .detailModelEmpty .button {
  min-height: 48px;
}