/* Marine Computer & Display — scoped under .mc; visual language aligned with .g450 */
.mc {
  --brand: #237fa3;
  --brand-dark: #155f7d;
  --aqua: #1be3e5;
  --ink: #000033;
  --text: #526675;
  --muted: #83939e;
  --pale: #ebf2f6;
  --pale-2: #f7fafc;
  --line: #d9e5eb;
  --white: #fff;
  --black: #050505;
  --container: 1344px;
  color: var(--ink);
  background: var(--white);
  font-family: "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.mc *,
.mc *::before,
.mc *::after { box-sizing: border-box; }

.mc img { display: block; max-width: 100%; }
.mc a { color: inherit; text-decoration: none; }

body.page-marine { scroll-behavior: smooth; scroll-padding-top: 96px; }
body.page-marine .hadheight { display: block; height: 0; }
body.page-marine footer.fotbox {
  border-top: 1.2px solid #c5d5de;
}

.mc .container {
  width: min(calc(100% - 57.6px), var(--container));
  margin-inline: auto;
}

.mc .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14.4px;
  min-height: 52.8px;
  padding: 0 28.8px;
  border: 1.2px solid transparent;
  border-radius: 7.2px;
  font-size: 16.8px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.mc .button--dark { color: var(--white); background: var(--black); }
.mc .button--outline {
  color: var(--brand);
  background: rgba(255, 255, 255, .78);
  border-color: var(--brand);
}
.mc .button:hover { transform: translateY(-2.4px); box-shadow: 0 14.4px 28.8px rgba(21, 68, 88, .14); }

.mc .dot {
  width: 9.6px;
  height: 9.6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--aqua);
}

.mc .eyebrow {
  display: inline-flex;
  flex-direction: column;
  gap: 10.8px;
  color: var(--brand);
  font-family: Arial, sans-serif;
  font-size: 13.2px;
  text-transform: uppercase;
}
.mc .eyebrow::after {
  content: "";
  width: 50.4px;
  height: 4.8px;
  border-radius: 118.8px;
  background: var(--aqua);
}

.mc .hero {
  position: relative;
  min-height: 912px;
  padding: 172.8px 0 93.6px;
  overflow: hidden;
  background:
    radial-gradient(circle at 91% 19%, rgba(27, 227, 229, .22) 0 134.4px, transparent 135.6px),
    linear-gradient(132deg, var(--pale) 0 62%, #e4eef3 62% 100%);
}
.mc .hero::before {
  content: "";
  position: absolute;
  inset: 84px 0 0 47%;
  opacity: .42;
  background-image:
    linear-gradient(rgba(35, 127, 163, .19) 1.2px, transparent 1.2px),
    linear-gradient(90deg, rgba(35, 127, 163, .19) 1.2px, transparent 1.2px);
  background-size: 84px 76.8px;
  mask-image: linear-gradient(90deg, transparent, #000 20%);
  pointer-events: none;
}

.mc .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(492px, .95fr) minmax(552px, 1.05fr);
  align-items: center;
  gap: 57.6px;
}

.mc .hero h1 {
  margin: 28.8px 0 19.2px;
  font-size: clamp(48px, 5.5vw, 76.8px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.04em;
}
.mc .hero-lead { margin: 0 0 14.4px; font-size: 25.2px; font-weight: 600; }
.mc .hero-copy { max-width: 624px; margin: 0; color: var(--text); font-size: 18px; }
.mc .hero-actions { display: flex; flex-wrap: wrap; gap: 16.8px; margin-top: 38.4px; }

.mc .metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 19.2px;
  margin-top: 50.4px;
}
.mc .metric { padding-left: 16.8px; border-left: 1.2px solid rgba(35, 127, 163, .45); }
.mc .metric strong,
.mc .metric span { display: block; }
.mc .metric strong { font-size: 19.2px; }
.mc .metric span {
  margin-top: 2.4px;
  color: var(--muted);
  font: 12px/1.5 Arial, sans-serif;
  white-space: nowrap;
}

.mc .hero-visual { position: relative; min-height: 480px; }
.mc .device-card {
  position: relative;
  margin: 0;
  padding: 14.4px;
  border-radius: 21.6px;
  background: linear-gradient(145deg, rgba(8, 36, 52, .96), rgba(4, 20, 34, .98));
  border: 1.2px solid rgba(27, 227, 229, .28);
  box-shadow:
    0 36px 90px rgba(8, 40, 60, .28),
    0 0 0 1px rgba(27, 227, 229, .06) inset;
}
.mc .device-card img {
  width: 100%;
  aspect-ratio: 192 / 100;
  object-fit: cover;
  object-position: center;
  background: #03141c;
  border-radius: 12px;
}
.mc .device-card figcaption {
  display: flex;
  justify-content: space-between;
  gap: 14.4px;
  padding: 16.8px 4.8px 2.4px;
  color: rgba(255, 255, 255, .55);
  font-size: 14.4px;
}
.mc .device-card figcaption strong { color: #e8f7fb; font-size: 16.8px; }
.mc .device-card figcaption span {
  color: var(--aqua);
  font: 13.2px/1.4 Arial, sans-serif;
  letter-spacing: .06em;
}

.mc .section { padding: 110.4px 0; }
.mc .section--pale { background: var(--pale); }
.mc .section--ink {
  background: #062a3c;
  color: var(--white);
}
.mc .section-heading { max-width: 984px; margin-bottom: 43.2px; }
.mc .section-heading--full { max-width: none; width: 100%; }
.mc .section-heading h2 {
  margin: 28.8px 0 16.8px;
  font-size: clamp(40.8px, 4.8vw, 57.6px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -.035em;
}
.mc .section-heading p { margin: 0; color: var(--text); font-size: 19.2px; }
.mc .section--ink .section-heading p { color: rgba(255, 255, 255, .72); }
.mc .section--ink .eyebrow { color: #83dcf0; }

.mc .series-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 21.6px;
}
.mc .series-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 28.8px 26.4px 26.4px;
  border: 1.2px solid rgba(214, 228, 235, .9);
  border-radius: 16.8px;
  background: var(--white);
  box-shadow: 0 14.4px 36px rgba(42, 81, 99, .07);
  transition: transform .28s ease, box-shadow .28s ease;
}
.mc .series-card:hover {
  transform: translateY(-7.2px);
  box-shadow: 0 26.4px 52.8px rgba(42, 81, 99, .12);
}
.mc .series-card .series-index {
  display: inline-flex;
  align-items: center;
  gap: 14.4px;
  color: var(--brand);
  font: 700 13.2px/1 Arial, sans-serif;
  letter-spacing: .1em;
}
.mc .series-card .series-index::after {
  content: "";
  width: 43.2px;
  height: 3.6px;
  border-radius: 118.8px;
  background: var(--aqua);
}
.mc .series-card h3 { margin: 21.6px 0 12px; font-size: 26.4px; }
.mc .series-card p { margin: 0; color: var(--text); font-size: 16.8px; flex: 1; }
.mc .series-card .series-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--brand-dark);
  font-size: 15.6px;
  font-weight: 600;
}
.mc .series-card .series-link::after {
  content: "→";
  font-family: Arial, sans-serif;
}

.mc .product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 57.6px;
  align-items: center;
}
.mc .product-layout--reverse {
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
}
.mc .product-layout--reverse .product-visual { order: -1; }
.mc .product-layout--solo {
  grid-template-columns: 1fr;
  max-width: 1080px;
}

.mc .product-copy h2 {
  margin: 28.8px 0 16.8px;
  font-size: clamp(38.4px, 4.3vw, 52.8px);
  line-height: 1.16;
  font-weight: 600;
}
.mc .product-copy > p { margin: 0 0 24px; color: var(--text); font-size: 18px; }

.mc .feat-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1.2px solid rgba(35, 127, 163, .22);
}
.mc .feat-list li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 14.4px;
  padding: 14.4px 0;
  border-bottom: 1.2px solid rgba(35, 127, 163, .18);
  color: var(--ink);
  font-size: 16.8px;
}
.mc .feat-list li::before {
  content: "";
  width: 9.6px;
  height: 9.6px;
  margin-top: 8.4px;
  border-radius: 50%;
  background: var(--aqua);
}

.mc .spec-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14.4px;
  width: 100%;
  margin-top: 36px;
}
.mc .spec-chip {
  padding: 18px 20.4px;
  border-radius: 10.8px;
  background: rgba(35, 127, 163, .06);
  border: 1.2px solid transparent;
}
.mc .section--pale .spec-chip { background: var(--white); }
.mc .spec-chip .k {
  display: block;
  margin-bottom: 6px;
  color: var(--brand);
  font-size: 13.2px;
  font-weight: 600;
}
.mc .spec-chip .v {
  display: block;
  color: var(--ink);
  font-size: 15.6px;
  line-height: 1.45;
}

.mc .product-visual {
  margin: 0;
  padding: 18px;
  border-radius: 19.2px;
  background: var(--white);
  border: 1.2px solid rgba(214, 228, 235, .95);
  box-shadow: 0 21.6px 48px rgba(42, 81, 99, .1);
}
.mc .section--pale .product-visual {
  background: linear-gradient(160deg, #fff, #f3f8fb);
}
.mc .product-visual img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
  background: #fff;
}
.mc .product-visual figcaption {
  padding: 14.4px 6px 2px;
  color: var(--muted);
  font-size: 14.4px;
}

.mc .spec-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 12px;
  border: 1.2px solid #c5d5de;
  background: var(--white);
}
.mc .spec-table {
  width: 100%;
  min-width: 960px;
  border-collapse: collapse;
}
.mc .spec-table th,
.mc .spec-table td {
  padding: 15.6px 18px;
  border-bottom: 1.2px solid #c5d5de;
  text-align: left;
  vertical-align: top;
  font-size: 15.6px;
}
.mc .spec-table tr:last-child th,
.mc .spec-table tr:last-child td { border-bottom: none; }
.mc .spec-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 18px;
  color: var(--white);
  background: #062a3c;
  font-weight: 600;
  font-size: 16.2px;
  letter-spacing: -.01em;
  border-bottom: none;
}
.mc .spec-table thead th:first-child {
  background: #041f2e;
  min-width: 148px;
}
.mc .spec-table thead th:nth-child(2) {
  background: linear-gradient(180deg, #155f7d, #0f4d66);
}
.mc .spec-table thead th:nth-child(3) {
  background: linear-gradient(180deg, #1a6f8f, #125a75);
}
.mc .spec-table thead th:nth-child(4) {
  background: linear-gradient(180deg, #237fa3, #1a6888);
}
.mc .spec-table tbody > tr > th:first-child {
  width: 168px;
  min-width: 148px;
  color: var(--brand-dark);
  background: var(--pale-2);
  font-weight: 600;
  position: sticky;
  left: 0;
  z-index: 1;
}
.mc .spec-table td { color: var(--text); width: 28%; }
.mc .spec-table td.is-na {
  color: #a8b5be;
  text-align: center;
  font-size: 18px;
}
.mc .spec-table .group-row th {
  background: #e4eef3;
  color: var(--ink);
  font-size: 14.4px;
  letter-spacing: .04em;
  position: static;
  width: auto;
}

.mc .adv-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16.8px;
}
.mc .adv-card {
  padding: 26.4px 20px;
  border: 1.2px solid rgba(255, 255, 255, .12);
  border-radius: 12px;
  background: rgba(255, 255, 255, .055);
}
.mc .adv-card small {
  display: block;
  color: var(--aqua);
  font: 700 12px/1 Arial, sans-serif;
  letter-spacing: .09em;
}
.mc .adv-card strong {
  display: block;
  margin: 14.4px 0 10px;
  font-size: 20.4px;
}
.mc .adv-card p {
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
}

.mc .apps-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  border-top: 1.2px solid rgba(35, 127, 163, .22);
  border-bottom: 1.2px solid rgba(35, 127, 163, .22);
  background: var(--white);
}
.mc .app-card {
  padding: 28.8px 22px 28.8px 24px;
  border-right: 1.2px solid rgba(35, 127, 163, .18);
  background: transparent;
  border-radius: 0;
  border-top: none;
  border-left: none;
  border-bottom: none;
  transition: background .2s ease;
}
.mc .app-card:last-child { border-right: none; }
.mc .app-card:hover { background: rgba(35, 127, 163, .04); }
.mc .app-card small {
  display: block;
  color: var(--brand);
  font: 700 12px/1 Arial, sans-serif;
  letter-spacing: .09em;
}
.mc .app-card strong {
  display: block;
  margin: 14.4px 0 10px;
  font-size: 18px;
  line-height: 1.35;
}
.mc .app-card p {
  margin: 0;
  color: var(--text);
  font-size: 14.4px;
  line-height: 1.5;
}

.mc .svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1.2px solid rgba(0, 0, 51, .1);
}
.mc .svc-item {
  padding: 33.6px 28.8px;
  border-right: 1.2px solid rgba(0, 0, 51, .1);
}
.mc .svc-item:first-child { padding-left: 0; }
.mc .svc-item:last-child { border-right: none; padding-right: 0; }
.mc .svc-item .idx {
  display: block;
  margin-bottom: 16.8px;
  color: var(--brand);
  font: 700 14.4px/1 Arial, sans-serif;
  letter-spacing: .08em;
}
.mc .svc-item strong {
  display: block;
  font-size: 22.8px;
  line-height: 1.4;
}

.mc .reveal {
  opacity: 0;
  transform: translateY(31.2px);
  transition: opacity .7s ease, transform .7s ease;
}
.mc .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .mc .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1248px) {
  .mc .hero-inner,
  .mc .product-layout,
  .mc .product-layout--reverse { grid-template-columns: 1fr; }
  .mc .product-layout--reverse .product-visual { order: 0; }
  .mc .hero-copy { max-width: 816px; }
  .mc .hero-visual { min-height: auto; }
  .mc .adv-grid { grid-template-columns: repeat(3, 1fr); }
  .mc .app-card {
    padding: 24px 14px 24px 16px;
  }
  .mc .app-card strong { font-size: 16.8px; }
  .mc .app-card p { font-size: 13.2px; }
}

@media (max-width: 984px) {
  .mc .container { width: min(calc(100% - 43.2px), var(--container)); }
  .mc .hero { padding-top: 146.4px; }
  .mc .hero h1 { font-size: 52.8px; }
  .mc .metrics { max-width: 624px; }
  .mc .series-grid,
  .mc .svc-grid { grid-template-columns: 1fr; }
  .mc .apps-grid { grid-template-columns: 1fr; }
  .mc .app-card {
    border-right: none;
    border-bottom: 1.2px solid rgba(35, 127, 163, .18);
    padding: 22px 0;
  }
  .mc .app-card:last-child { border-bottom: none; }
  .mc .spec-chips { grid-template-columns: 1fr 1fr; }
  .mc .svc-item {
    border-right: none;
    border-bottom: 1.2px solid rgba(0, 0, 51, .1);
    padding: 24px 0;
  }
  .mc .svc-item:last-child { border-bottom: none; }
  .mc .adv-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 672px) {
  .mc .hero { min-height: auto; padding-bottom: 62.4px; }
  .mc .hero h1 { font-size: 43.2px; }
  .mc .hero-lead { font-size: 21.6px; }
  .mc .hero-actions { flex-direction: column; align-items: stretch; }
  .mc .button { width: 100%; }
  .mc .metrics { grid-template-columns: 1fr; max-width: 312px; }
  .mc .section { padding: 91.2px 0; }
  .mc .adv-grid { grid-template-columns: 1fr; }
  .mc .spec-chips { grid-template-columns: 1fr; }
  .mc .spec-table { min-width: 820px; }
  .mc .spec-table th,
  .mc .spec-table td { padding: 12px 14.4px; font-size: 14.4px; }
}