/* ECDIS — hardware product page; shares design tokens with .g450 / .wce, own layout */
.ecdis {
  --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;
}

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

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

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

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

.ecdis .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;
}
.ecdis .button--dark { color: var(--white); background: var(--black); }
.ecdis .button--outline {
  color: var(--brand);
  background: rgba(255, 255, 255, .78);
  border-color: var(--brand);
}
.ecdis .button:hover {
  transform: translateY(-2.4px);
  box-shadow: 0 14.4px 28.8px rgba(21, 68, 88, .14);
}
.ecdis .dot {
  width: 9.6px;
  height: 9.6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--aqua);
}

.ecdis .eyebrow {
  display: inline-flex;
  flex-direction: column;
  gap: 10.8px;
  color: var(--brand);
  font-family: Arial, sans-serif;
  font-size: 13.2px;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.ecdis .eyebrow::after {
  content: "";
  width: 50.4px;
  height: 4.8px;
  border-radius: 118.8px;
  background: var(--aqua);
}

/* —— Hero —— */
.ecdis .hero {
  position: relative;
  padding: 168px 0 88px;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 18%, rgba(27, 227, 229, .2) 0 128px, transparent 130px),
    linear-gradient(132deg, var(--pale) 0 58%, #e4eef3 58% 100%);
}
.ecdis .hero::before {
  content: "";
  position: absolute;
  inset: 80px 0 0 50%;
  opacity: .4;
  background-image:
    linear-gradient(rgba(35, 127, 163, .18) 1.2px, transparent 1.2px),
    linear-gradient(90deg, rgba(35, 127, 163, .18) 1.2px, transparent 1.2px);
  background-size: 84px 76.8px;
  mask-image: linear-gradient(90deg, transparent, #000 22%);
  pointer-events: none;
}

.ecdis .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .85fr);
  align-items: center;
  gap: 56px;
}

.ecdis .hero h1 {
  margin: 28px 0 18px;
  font-size: clamp(44px, 5vw, 68px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.04em;
}
.ecdis .hero h1 .model {
  display: block;
  margin-top: 10px;
  font-size: .46em;
  letter-spacing: -.02em;
  color: var(--brand-dark);
}
.ecdis .hero-lead {
  margin: 0 0 14px;
  font-size: 24px;
  font-weight: 600;
}
.ecdis .hero-copy {
  max-width: 560px;
  margin: 0;
  color: var(--text);
  font-size: 17.5px;
}
.ecdis .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}

.ecdis .metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.ecdis .metric {
  padding-left: 16px;
  border-left: 1.2px solid rgba(35, 127, 163, .45);
}
.ecdis .metric strong,
.ecdis .metric span { display: block; }
.ecdis .metric strong { font-size: 17.5px; }
.ecdis .metric span {
  margin-top: 4px;
  color: var(--muted);
  font: 12px/1.45 Arial, sans-serif;
  white-space: nowrap;
}

.ecdis .hero-visual {
  display: flex;
  justify-content: center;
}
.ecdis .device-card {
  margin: 0;
  width: 100%;
  max-width: 440px;
  padding: 16px;
  border-radius: 18px;
  background: var(--white);
  border: 1.2px solid rgba(214, 228, 235, .95);
  box-shadow: 0 28px 64px rgba(16, 55, 74, .12);
}
.ecdis .device-card img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  object-position: center;
  background: #fff;
  border-radius: 10px;
}
.ecdis .device-card figcaption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 14px 4px 2px;
  color: var(--muted);
  font-size: 13px;
}
.ecdis .device-card figcaption strong {
  color: var(--ink);
  font-size: 15.5px;
}
.ecdis .device-card figcaption span {
  color: var(--brand);
  font: 12.5px/1.4 Arial, sans-serif;
  letter-spacing: .04em;
  white-space: nowrap;
}

/* —— Sections —— */
.ecdis .section { padding: 112px 0; }
.ecdis .section--pale { background: var(--pale); }

.ecdis .section-heading {
  max-width: 880px;
  margin-bottom: 48px;
}
.ecdis .section-heading h2 {
  margin: 28px 0 14px;
  font-size: clamp(36px, 4.2vw, 52px);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -.03em;
}
.ecdis .section-heading p {
  margin: 0;
  color: var(--text);
  font-size: 18px;
}

/* Intro */
.ecdis .intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}
.ecdis .intro-copy h2 {
  margin: 28px 0 20px;
  font-size: clamp(34px, 3.8vw, 48px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.03em;
}
.ecdis .intro-copy > p {
  margin: 0 0 16px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.75;
}
.ecdis .intro-copy > p:last-child { margin-bottom: 0; }

.ecdis .intro-visual {
  margin: 0;
  padding: 14px;
  border-radius: 16px;
  background: var(--white);
  border: 1.2px solid rgba(214, 228, 235, .95);
  box-shadow: 0 18px 44px rgba(42, 81, 99, .1);
}
.ecdis .intro-visual img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center top;
  border-radius: 10px;
  background: #0a2a3c;
}
.ecdis .intro-visual figcaption {
  padding: 14px 4px 2px;
  color: var(--muted);
  font-size: 14px;
}

/* Features */
.ecdis .feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.ecdis .feature-card {
  padding: 26px 24px 24px;
  border-radius: 14px;
  background: var(--white);
  border: 1.2px solid rgba(214, 228, 235, .9);
  box-shadow: 0 10px 28px rgba(42, 81, 99, .06);
  transition: transform .25s ease, box-shadow .25s ease;
}
.ecdis .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(42, 81, 99, .1);
}
.ecdis .feature-index {
  display: block;
  color: var(--brand);
  font: 700 12px/1 Arial, sans-serif;
  letter-spacing: .12em;
}
.ecdis .feature-card h3 {
  margin: 16px 0 10px;
  font-size: 20px;
}
.ecdis .feature-card p {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

/* Certificates */
.ecdis .cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.ecdis .cert-card {
  margin: 0;
  padding: 18px;
  border-radius: 14px;
  background: var(--white);
  border: 1.2px solid rgba(214, 228, 235, .95);
  box-shadow: 0 12px 32px rgba(42, 81, 99, .07);
}
.ecdis .cert-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  object-position: center top;
  background: #fafbfc;
  border-radius: 8px;
}
.ecdis .cert-card figcaption {
  margin-top: 14px;
  text-align: center;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
}

/* Integration + reliability */
.ecdis .integ-layout {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: start;
}
.ecdis .integ-copy h2 {
  margin: 28px 0 14px;
  font-size: clamp(34px, 3.8vw, 48px);
  font-weight: 600;
  line-height: 1.16;
}
.ecdis .integ-copy > p {
  margin: 0 0 28px;
  color: var(--text);
  font-size: 17.5px;
}
.ecdis .integ-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1.2px solid rgba(35, 127, 163, .22);
}
.ecdis .integ-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1.2px solid rgba(35, 127, 163, .18);
  font-size: 16.5px;
  color: var(--ink);
}
.ecdis .integ-list .idx {
  color: var(--brand);
  font: 700 12px/1.6 Arial, sans-serif;
  letter-spacing: .08em;
}

.ecdis .integ-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.ecdis .integ-highlights article {
  padding: 24px 22px;
  border-radius: 12px;
  background: var(--white);
  border: 1.2px solid rgba(214, 228, 235, .95);
}
.ecdis .integ-highlights strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}
.ecdis .integ-highlights p {
  margin: 0;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.6;
}

/* Highlights */
.ecdis .high-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1.2px solid rgba(35, 127, 163, .22);
}
.ecdis .high-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  padding: 22px 28px 22px 0;
  border-bottom: 1.2px solid rgba(35, 127, 163, .18);
  border-right: 1.2px solid rgba(35, 127, 163, .18);
}
.ecdis .high-item:nth-child(2n) {
  padding-left: 28px;
  padding-right: 0;
  border-right: none;
}
.ecdis .high-item .idx {
  color: var(--brand);
  font: 700 13px/1.6 Arial, sans-serif;
  letter-spacing: .06em;
}
.ecdis .high-item p {
  margin: 0;
  color: var(--ink);
  font-size: 16.5px;
  line-height: 1.55;
}

/* Hardware */
.ecdis .hw-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 44px;
}
.ecdis .hw-card {
  margin: 0;
  padding: 18px;
  border-radius: 14px;
  background: var(--white);
  border: 1.2px solid rgba(214, 228, 235, .95);
  box-shadow: 0 12px 32px rgba(42, 81, 99, .07);
}
.ecdis .hw-card img {
  width: 100%;
  height: 180px;
  object-fit: contain;
  background: var(--pale-2);
  border-radius: 10px;
}
.ecdis .hw-card figcaption { padding: 16px 4px 2px; }
.ecdis .hw-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}
.ecdis .hw-card p {
  margin: 0;
  color: var(--text);
  font-size: 15px;
}

.ecdis .spec-table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 12px;
  border: 1.2px solid #c5d5de;
  background: var(--white);
}
.ecdis .spec-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
}
.ecdis .spec-table th,
.ecdis .spec-table td {
  padding: 16px 20px;
  border-bottom: 1.2px solid #c5d5de;
  text-align: left;
  vertical-align: top;
  font-size: 15.5px;
}
.ecdis .spec-table tr:last-child th,
.ecdis .spec-table tr:last-child td { border-bottom: none; }
.ecdis .spec-table th {
  width: 32%;
  color: var(--brand-dark);
  background: var(--pale-2);
  font-weight: 600;
}
.ecdis .spec-table td { color: var(--text); }
.ecdis .spec-table .group-row th {
  background: #e4eef3;
  color: var(--ink);
  font-size: 14.5px;
  letter-spacing: .04em;
  width: auto;
}

.ecdis .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.ecdis .reveal.is-visible {
  opacity: 1;
  transform: none;
}

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

@media (max-width: 1248px) {
  .ecdis .hero-inner,
  .ecdis .intro-layout,
  .ecdis .integ-layout { grid-template-columns: 1fr; }
  .ecdis .hero-copy { max-width: 720px; }
  .ecdis .device-card { max-width: 400px; }
  .ecdis .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .ecdis .hw-grid { grid-template-columns: 1fr; }
}

@media (max-width: 984px) {
  .ecdis .container { width: min(calc(100% - 40px), var(--container)); }
  .ecdis .hero { padding-top: 140px; }
  .ecdis .hero h1 { font-size: 44px; }
  .ecdis .metrics { max-width: 520px; }
  .ecdis .cert-grid,
  .ecdis .high-list,
  .ecdis .integ-highlights { grid-template-columns: 1fr; }
  .ecdis .high-item,
  .ecdis .high-item:nth-child(2n) {
    padding: 18px 0;
    border-right: none;
  }
}

@media (max-width: 672px) {
  .ecdis .hero { padding-bottom: 56px; }
  .ecdis .hero h1 { font-size: 36px; }
  .ecdis .hero-lead { font-size: 20px; }
  .ecdis .hero-actions { flex-direction: column; }
  .ecdis .button { width: 100%; }
  .ecdis .metrics { grid-template-columns: 1fr; max-width: 280px; }
  .ecdis .section { padding: 80px 0; }
  .ecdis .feature-grid { grid-template-columns: 1fr; }
  .ecdis .spec-table th,
  .ecdis .spec-table td { padding: 12px; font-size: 14.5px; }
}