:root {
  --bg: #ffffff;
  --bg-soft: #f5f7fa;
  --bg-panel: #eef2f6;
  --ink: #111827;
  --muted: #4b5563;
  --subtle: #6b7280;
  --line: #e5e7eb;
  --line-strong: #d1d5db;
  --blue: #005bac;
  --blue-deep: #0f2742;
  --cyan: #009fe3;
  --red: #d71920;
  --green: #1f9d55;
  --shadow: 0 16px 38px rgba(15, 39, 66, 0.12);
  --container: min(1220px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  height: 72px;
  width: min(1220px, calc(100vw - 48px));
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.22));
  box-shadow: 0 18px 48px rgba(15, 39, 66, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px) saturate(165%);
  -webkit-backdrop-filter: blur(24px) saturate(165%);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  border-radius: 9px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.48), rgba(255, 255, 255, 0.1));
}

.brand img {
  width: 154px;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 17px;
  color: #1f2937;
}

.desktop-nav a {
  position: relative;
  line-height: 72px;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 17px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

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

.language {
  min-width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-size: 16px;
}

.header-cta,
.btn {
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 6px;
  font-size: 17px;
  font-weight: 600;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.header-cta,
.btn.primary {
  color: #fff;
  background: var(--red);
}

.btn.secondary {
  color: var(--blue-deep);
  border: 1px solid rgba(15, 39, 66, 0.28);
  background: rgba(255, 255, 255, 0.8);
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.mobile-nav {
  display: none;
}

.section-nav {
  position: sticky;
  top: 100px;
  z-index: 30;
  width: min(820px, calc(100vw - 48px));
  height: 54px;
  margin: -27px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 9px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.64), rgba(255, 255, 255, 0.32));
  box-shadow: 0 14px 36px rgba(15, 39, 66, 0.1);
  backdrop-filter: blur(18px) saturate(150%);
}

.section-nav a {
  color: var(--muted);
  font-size: 16px;
  font-weight: 600;
}

.section-nav a::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  background: var(--line-strong);
  vertical-align: 1px;
}

.section-nav a:hover {
  color: var(--blue-deep);
}

.section-nav a:hover::before {
  background: var(--red);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  padding: 132px 0 58px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.88) 42%, rgba(245, 247, 250, 0.72)),
    linear-gradient(rgba(15, 39, 66, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 39, 66, 0.05) 1px, transparent 1px);
  background-size: auto, 44px 44px, 44px 44px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--blue), transparent);
}

.hero-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 620px;
  font-size: 52px;
  line-height: 1.14;
  font-weight: 750;
}

.hero-lead {
  margin: 24px 0 0;
  max-width: 596px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 42px 0 0;
  max-width: 560px;
}

.hero-metrics div {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.hero-metrics dt {
  color: var(--blue-deep);
  font-size: 27px;
  font-weight: 760;
}

.hero-metrics dd {
  margin: 6px 0 0;
  color: var(--subtle);
  font-size: 16px;
}

.hero-visual {
  position: relative;
  min-height: 560px;
  overflow: visible;
  background: transparent;
}

.product-stage {
  position: absolute;
  inset: 0;
  min-height: 560px;
}

.product-stage::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 3%;
  bottom: 78px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(15, 39, 66, 0.16), rgba(15, 39, 66, 0.04) 50%, transparent 70%);
  filter: blur(8px);
}

.product-stage::after {
  content: "";
  position: absolute;
  left: 9%;
  right: 5%;
  top: 55%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 91, 172, 0.34), rgba(215, 25, 32, 0.34), transparent);
}

.stage-label,
.stage-status {
  position: absolute;
  top: 34px;
  z-index: 4;
  height: 36px;
  display: flex;
  align-items: center;
  border: 1px solid rgba(209, 213, 219, 0.72);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(14px);
  color: var(--subtle);
  font-size: 15px;
  font-weight: 700;
}

.stage-label {
  left: 8%;
  padding: 0 14px;
}

.stage-status {
  right: 4%;
  padding: 0 12px;
}

.status-dot {
  color: var(--green);
}

.status-dot::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--green);
}

.camera-motion {
  position: absolute;
  z-index: 2;
  width: 124%;
  aspect-ratio: 16 / 9;
  max-width: none;
  left: 47%;
  top: 54%;
  transform: translate(-50%, -50%);
  animation: camera-float 5.8s ease-in-out infinite;
}

.camera-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 34px 38px rgba(15, 39, 66, 0.22));
  opacity: 0;
  animation: camera-sequence 9s ease-in-out infinite;
}

.frame-a {
  opacity: 1;
}

.frame-b {
  animation-delay: 3s;
}

.frame-c {
  animation-delay: 6s;
}

.stage-scan {
  position: absolute;
  z-index: 3;
  left: 14%;
  right: 10%;
  top: 52%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(215, 25, 32, 0.88), rgba(0, 159, 227, 0.5), transparent);
  box-shadow: 0 0 18px rgba(215, 25, 32, 0.28);
  animation: scan-pass 3.2s ease-in-out infinite;
}

.inspection-panel {
  position: absolute;
  z-index: 5;
  right: 2%;
  bottom: 46px;
  width: 302px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(15, 39, 66, 0.87), rgba(15, 39, 66, 0.76));
  backdrop-filter: blur(16px);
  color: #fff;
  box-shadow: 0 20px 46px rgba(15, 39, 66, 0.24);
  animation: panel-float 6.2s ease-in-out infinite;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  font-size: 15px;
}

.panel-head strong {
  color: #56e08a;
}

.scan-line {
  position: relative;
  height: 54px;
  margin: 16px 0;
  background: repeating-linear-gradient(90deg, rgba(0, 159, 227, 0.1) 0 8px, rgba(255, 255, 255, 0.08) 8px 11px);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.scan-line::after {
  content: "";
  position: absolute;
  left: 28%;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--red);
}

.panel-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

.panel-grid b {
  color: #fff;
}

@keyframes camera-float {
  0%,
  100% {
    transform: translate(-50%, -50%) translateY(0) rotate(0deg);
  }
  50% {
    transform: translate(-50%, -50%) translateY(-14px) rotate(-0.35deg);
  }
}

@keyframes camera-sequence {
  0%,
  30% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  36%,
  94% {
    opacity: 0;
    transform: scale(1.018) translateY(-3px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes panel-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-9px);
  }
}

@keyframes scan-pass {
  0%,
  100% {
    transform: translateY(-42px);
    opacity: 0;
  }
  18%,
  82% {
    opacity: 1;
  }
  50% {
    transform: translateY(52px);
  }
}

.value-strip {
  width: var(--container);
  margin: -26px auto 0;
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 14px 34px rgba(15, 39, 66, 0.08);
}

.value-strip article {
  min-height: 176px;
  padding: 26px;
  border-right: 1px solid var(--line);
}

.value-strip article:last-child {
  border-right: 0;
}

.icon,
.tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 9px;
  border-radius: 4px;
  color: var(--blue);
  background: rgba(0, 91, 172, 0.08);
  font-size: 15px;
  font-weight: 700;
}

.value-strip h2 {
  margin: 18px 0 10px;
  font-size: 23px;
}

.value-strip p,
.section-heading p,
.product-card p,
.solutions p,
.cases p,
.support p,
.contact p,
.footer p {
  color: var(--muted);
  line-height: 1.75;
}

.section {
  padding: 96px 0;
}

.section-heading {
  width: var(--container);
  margin: 0 auto 42px;
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 36px;
  align-items: end;
}

.section-heading.compact {
  display: block;
  max-width: 720px;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.22;
}

.section-heading p:last-child {
  margin: 0;
}

.product-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.product-card.featured {
  box-shadow: var(--shadow);
}

.card-media {
  aspect-ratio: 16 / 10;
  background: var(--bg-panel);
  overflow: hidden;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 28px;
}

.card-body h3 {
  margin: 18px 0 12px;
  font-size: 26px;
  line-height: 1.35;
}

.card-body ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink);
  font-size: 17px;
}

.card-body li::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  background: var(--red);
}

.dark-capability {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(15, 39, 66, 0.98), rgba(15, 39, 66, 0.9)),
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: auto, 42px 42px, 42px 42px;
}

.capability-layout {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.84fr 1.16fr;
  gap: 48px;
  align-items: center;
}

.dark-capability h2 {
  margin: 0;
  font-size: 38px;
  line-height: 1.22;
}

.dark-capability p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.85;
}

.workflow {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.workflow div {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
}

.workflow span {
  color: #8bd8ff;
  font-size: 15px;
  font-weight: 700;
}

.software-panel {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.software-top {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.74);
  font-size: 15px;
}

.software-main {
  display: grid;
  grid-template-columns: 190px 1fr;
  min-height: 430px;
}

.node-list {
  display: grid;
  gap: 12px;
  align-content: center;
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.node-list b {
  padding: 12px 14px;
  border: 1px solid rgba(139, 216, 255, 0.25);
  border-radius: 5px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

.result-view {
  position: relative;
  overflow: hidden;
  background: #dfe5eb;
}

.result-view img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detect-box {
  position: absolute;
  height: 26px;
  padding: 0 9px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--red);
  color: #fff;
  background: rgba(215, 25, 32, 0.86);
  font-size: 14px;
  font-weight: 700;
}

.box-a {
  left: 22%;
  top: 38%;
}

.box-b {
  right: 18%;
  bottom: 24%;
  border-color: var(--cyan);
  background: rgba(0, 159, 227, 0.84);
}

.evidence {
  background: var(--bg-soft);
}

.evidence-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.evidence-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.evidence-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.evidence-grid h3,
.evidence-grid p {
  margin-left: 24px;
  margin-right: 24px;
}

.evidence-grid h3 {
  margin-top: 24px;
  font-size: 23px;
}

.evidence-grid p {
  margin-bottom: 26px;
  color: var(--muted);
  line-height: 1.75;
}

.matrix {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 250, 0.78)),
    linear-gradient(rgba(15, 39, 66, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 39, 66, 0.04) 1px, transparent 1px);
  background-size: auto, 38px 38px, 38px 38px;
}

.matrix-layout {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 22px;
  align-items: stretch;
}

.matrix-table {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.54);
  box-shadow: 0 18px 48px rgba(15, 39, 66, 0.1);
  backdrop-filter: blur(18px) saturate(150%);
}

.matrix-row {
  display: grid;
  grid-template-columns: 0.9fr 1.2fr 1.05fr 1.25fr;
  border-bottom: 1px solid rgba(209, 213, 219, 0.72);
}

.matrix-row:last-child {
  border-bottom: 0;
}

.matrix-row span {
  min-height: 76px;
  display: flex;
  align-items: center;
  padding: 16px 18px;
  border-right: 1px solid rgba(209, 213, 219, 0.72);
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.matrix-row span:first-child {
  color: var(--blue-deep);
  font-weight: 750;
}

.matrix-row span:last-child {
  border-right: 0;
}

.matrix-head {
  background: rgba(15, 39, 66, 0.92);
  backdrop-filter: blur(16px);
}

.matrix-head span {
  min-height: 52px;
  color: rgba(255, 255, 255, 0.76);
  border-right-color: rgba(255, 255, 255, 0.12);
  font-size: 15px;
  font-weight: 700;
}

.matrix-head span:first-child {
  color: #fff;
}

.matrix-aside {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 9px;
  background:
    linear-gradient(180deg, rgba(15, 39, 66, 0.9), rgba(15, 39, 66, 0.72)),
    var(--blue-deep);
  box-shadow: 0 18px 48px rgba(15, 39, 66, 0.14);
  color: #fff;
  backdrop-filter: blur(18px);
}

.matrix-aside .tag {
  color: #9bdcff;
  background: rgba(0, 159, 227, 0.13);
}

.matrix-aside h3 {
  margin: 22px 0 14px;
  font-size: 27px;
  line-height: 1.35;
}

.matrix-aside p {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.8;
}

.solution-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.solution-grid article {
  min-height: 270px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(245, 247, 250, 0.96)),
    linear-gradient(rgba(15, 39, 66, 0.05) 1px, transparent 1px);
  background-size: auto, 32px 32px;
}

.solution-grid span {
  color: var(--blue);
  font-size: 16px;
  font-weight: 700;
}

.solution-grid h3 {
  margin: 18px 0 12px;
  font-size: 24px;
  line-height: 1.35;
}

.solution-grid b {
  display: block;
  margin-top: 22px;
  color: var(--blue-deep);
  font-size: 16px;
}

.cases {
  background: var(--bg-soft);
}

.case-list {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.case-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.case-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(15, 39, 66, 0.08);
}

.case-card img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  border-radius: 5px;
}

.case-card time {
  color: var(--subtle);
  font-size: 16px;
}

.case-card h3 {
  margin: 10px 0;
  font-size: 25px;
}

.support-layout,
.contact-panel,
.footer-grid {
  width: var(--container);
  margin: 0 auto;
}

.support-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.64);
  border-radius: 10px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0.34)),
    linear-gradient(90deg, rgba(0, 91, 172, 0.05), transparent);
  box-shadow: 0 18px 48px rgba(15, 39, 66, 0.09);
  backdrop-filter: blur(18px) saturate(145%);
}

.support-layout h2,
.contact h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.25;
}

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

.resource-grid a {
  min-height: 112px;
  position: relative;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 0 24px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.54);
  color: var(--blue-deep);
  font-weight: 700;
  overflow: hidden;
  box-shadow: 0 10px 26px rgba(15, 39, 66, 0.07);
  backdrop-filter: blur(14px);
}

.resource-grid a::before {
  content: "";
  position: static;
  width: 8px;
  height: 8px;
  background: var(--red);
}

.resource-grid a::after {
  content: "";
  position: absolute;
  inset: auto 18px 18px auto;
  width: 46px;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 91, 172, 0.2), var(--blue));
}

.resource-grid small {
  color: var(--subtle);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.45;
}

.contact {
  padding: 86px 0;
  background: var(--blue-deep);
  color: #fff;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.contact p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-info {
  display: grid;
  gap: 14px;
}

.contact-info a,
.contact-info span {
  display: block;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
}

.footer {
  padding: 58px 0 28px;
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 36px;
}

.footer img {
  width: 148px;
}

.footer h2 {
  margin: 0 0 18px;
  font-size: 18px;
}

.footer a {
  display: block;
  margin: 10px 0;
  color: var(--muted);
  font-size: 17px;
}

.copyright {
  width: var(--container);
  margin: 38px auto 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 16px;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 180px 1fr auto;
  }

  .desktop-nav {
    gap: 16px;
  }

  .section-nav {
    overflow-x: auto;
    justify-content: flex-start;
    padding: 0 24px;
  }

  .hero-grid,
  .capability-layout,
  .support-layout,
  .contact-panel,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .evidence-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-card.featured {
    grid-column: span 2;
  }

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

  .matrix-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --container: min(100vw - 32px, 1220px);
  }

  .site-header {
    top: 10px;
    width: calc(100vw - 24px);
    height: 62px;
    display: flex;
    justify-content: space-between;
    padding: 0 14px;
    border-radius: 9px;
  }

  .desktop-nav,
  .language,
  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .mobile-nav {
    position: fixed;
    inset: 82px 12px auto;
    z-index: 45;
    display: none;
    padding: 12px 16px 20px;
    border: 1px solid rgba(255, 255, 255, 0.58);
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(18px);
  }

  .mobile-nav.is-open {
    display: grid;
  }

  .mobile-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .hero {
    min-height: auto;
    padding: 104px 0 40px;
  }

  .hero h1 {
    font-size: 30px;
    line-height: 1.16;
  }

  .hero-lead {
    margin-top: 18px;
    font-size: 17px;
    line-height: 1.62;
  }

  .hero-actions {
    margin-top: 22px;
  }

  .hero-grid {
    gap: 24px;
  }

  .hero-metrics,
  .value-strip,
  .product-grid,
  .evidence-grid,
  .solution-grid,
  .resource-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    display: none;
  }

  .hero-visual {
    min-height: 390px;
  }

  .product-stage,
  .product-stage::before {
    min-height: 390px;
  }

  .stage-label,
  .stage-status {
    top: 8px;
    height: 30px;
    font-size: 13px;
  }

  .stage-label {
    left: 0;
  }

  .stage-status {
    right: 0;
  }

  .camera-motion {
    width: 168%;
    left: 50%;
    top: 52%;
  }

  .inspection-panel {
    left: 18px;
    right: 18px;
    bottom: 26px;
    width: auto;
  }

  .value-strip {
    margin-top: 0;
  }

  .value-strip article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 58px 0;
  }

  .section-heading h2,
  .dark-capability h2,
  .support-layout h2,
  .contact h2 {
    font-size: 28px;
  }

  .section-nav {
    top: 86px;
    width: calc(100vw - 24px);
    margin-top: 0;
    justify-content: flex-start;
    gap: 22px;
    overflow-x: auto;
  }

  .matrix-table {
    overflow-x: auto;
  }

  .matrix-row {
    min-width: 760px;
  }

  .matrix-aside,
  .support-layout {
    padding: 22px;
  }

  .product-card.featured {
    grid-column: auto;
  }

  .software-main {
    grid-template-columns: 1fr;
  }

  .node-list {
    grid-template-columns: 1fr 1fr;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .result-view {
    min-height: 260px;
  }

  .case-card {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    gap: 18px;
  }
}
/* premium-industry-showcase */
.industry-showcase{background:#f5f5f7;padding:96px max(5vw,32px) 112px;overflow:hidden}
.industry-showcase-heading{text-align:center;margin:0 auto 44px}
.industry-showcase-heading h2{margin:0;color:#111827;font-size:clamp(42px,5vw,68px);line-height:1;font-weight:800;letter-spacing:-.055em}
.industry-showcase-heading h2:after{content:"";display:block;width:94px;height:4px;margin:16px auto 12px;border-radius:4px;background:#e60012}
.industry-showcase-heading p{margin:0;color:#8d929a;font-size:18px;letter-spacing:.18em}
.industry-tabs{display:flex;justify-content:center;gap:8px;max-width:1160px;margin:0 auto 28px;padding:6px;overflow-x:auto;scrollbar-width:none}
.industry-tabs::-webkit-scrollbar{display:none}
.industry-tabs button{flex:0 0 auto;border:0;border-radius:999px;background:transparent;padding:11px 21px;color:#69707b;font:600 16px/1 inherit;cursor:pointer;transition:background .25s,color .25s,box-shadow .25s}
.industry-tabs button:hover{color:#111827;background:#fff}
.industry-tabs button.is-active{color:#fff;background:#111827;box-shadow:0 8px 24px rgba(17,24,39,.15)}
.industry-stage{position:relative;display:grid;grid-template-columns:52px minmax(0,1220px) 52px;align-items:center;justify-content:center;gap:18px;max-width:1400px;margin:auto}
.industry-panels{position:relative;min-height:540px}
.industry-panel{position:absolute;inset:0;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);background:#fff;border-radius:34px;overflow:hidden;box-shadow:0 24px 70px rgba(16,24,40,.10);opacity:0;visibility:hidden;transform:translateX(28px) scale(.985);transition:opacity .42s ease,transform .55s cubic-bezier(.2,.7,.2,1),visibility .42s}
.industry-panel.is-active{position:relative;opacity:1;visibility:visible;transform:none;z-index:2}
.industry-panel figure{margin:0;min-height:540px;overflow:hidden;background:#111827}
.industry-panel figure img{display:block;width:100%;height:100%;object-fit:cover;transform:scale(1.035);transition:transform 1s cubic-bezier(.2,.7,.2,1)}
.industry-panel.is-active figure img{transform:scale(1)}
.industry-panel>div{display:flex;flex-direction:column;justify-content:center;padding:64px 58px}
.industry-panel span{color:#e60012;font-size:16px;font-weight:800;letter-spacing:.16em}
.industry-panel h3{margin:18px 0 25px;color:#111827;font-size:clamp(34px,3.5vw,54px);line-height:1.05;letter-spacing:-.045em}
.industry-panel p{margin:0;color:#5e6672;font-size:21px;line-height:1.9;text-align:justify}
.industry-arrow{display:grid;place-items:center;width:52px;height:52px;border:1px solid #d7dbe1;border-radius:50%;background:rgba(255,255,255,.88);color:#111827;font-size:27px;cursor:pointer;box-shadow:0 10px 30px rgba(16,24,40,.09);backdrop-filter:blur(10px);transition:transform .2s,background .2s,color .2s}
.industry-arrow:hover{transform:scale(1.06);background:#e60012;color:#fff;border-color:#e60012}
@media(max-width:900px){.industry-showcase{padding:72px 20px 84px}.industry-showcase-heading{margin-bottom:30px}.industry-tabs{justify-content:flex-start;margin-left:-6px;margin-right:-6px}.industry-stage{display:block}.industry-panels{min-height:0}.industry-panel{grid-template-columns:1fr;border-radius:26px}.industry-panel figure{min-height:0;aspect-ratio:16/10}.industry-panel>div{padding:34px 30px 40px}.industry-panel p{font-size:19px;line-height:1.75}.industry-arrow{position:absolute;top:calc(50vw - 6px);z-index:4;width:44px;height:44px}.industry-prev{left:12px}.industry-next{right:12px}}
@media(max-width:560px){.industry-showcase{padding-left:16px;padding-right:16px}.industry-showcase-heading h2{font-size:42px}.industry-tabs button{padding:10px 16px;font-size:17px}.industry-panel>div{padding:28px 23px 34px}.industry-panel h3{font-size:34px;margin:14px 0 18px}.industry-panel p{font-size:18px}.industry-arrow{top:38vw}}
/* structured-primary-navigation */
.structure-header{width:min(1380px,calc(100vw - 40px));grid-template-columns:190px minmax(0,1fr) auto;padding:0 22px;overflow:visible}
.structure-nav{align-self:stretch;justify-content:center;gap:4px;font-size:18px}
.structure-nav .nav-item{position:relative;display:flex;align-items:center;height:100%}
.structure-nav .nav-link{display:flex;align-items:center;height:100%;padding:0 17px;line-height:1;white-space:nowrap;font-weight:500}
.structure-nav .nav-link:before{content:"";width:0;height:0;margin-right:0;border-left:3px solid transparent;border-right:3px solid transparent;border-top:4px solid #87909c;opacity:0;transform:translateY(-1px);transition:width .2s,margin .2s,opacity .2s}
.structure-nav .nav-item:hover>.nav-link:before,.structure-nav .nav-item:focus-within>.nav-link:before{width:6px;margin-right:7px;opacity:1}
.structure-nav .nav-link::after{bottom:15px}
.structure-nav .nav-link.is-active::after{transform:scaleX(1)}
.nav-popover{position:absolute;top:61px;left:50%;width:190px;padding:16px;border:1px solid rgba(222,226,232,.9);border-radius:16px;background:rgba(255,255,255,.96);box-shadow:0 22px 60px rgba(16,24,40,.16);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);opacity:0;visibility:hidden;transform:translate(-50%,-8px);transition:opacity .2s,transform .24s,visibility .2s}
.nav-item:hover .nav-popover,.nav-item:focus-within .nav-popover{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav-popover:before{content:"";position:absolute;left:0;right:0;top:-14px;height:16px}
.nav-popover>span{display:block;padding:3px 10px 11px;color:#9aa1ac;font-size:13px;font-weight:800;letter-spacing:.12em}
.structure-nav .nav-popover a{display:flex;align-items:center;min-height:38px;padding:7px 10px;border-radius:9px;color:#343b47;font-size:17px;line-height:1.2;transition:background .16s,color .16s,transform .16s}
.structure-nav .nav-popover a:after{display:none}
.structure-nav .nav-popover a:hover{color:#d71920;background:#f5f6f8;transform:translateX(2px)}
.structure-nav .nav-popover a.is-current{color:#d71920;font-weight:700;background:#fff1f2}
.nav-popover-wide{width:206px}
.nav-popover-right{left:auto;right:-18px;transform:translate(0,-8px)}
.nav-item:hover .nav-popover-right,.nav-item:focus-within .nav-popover-right{transform:translate(0,0)}
@media(max-width:1180px){.structure-header{grid-template-columns:170px minmax(0,1fr) auto}.structure-nav .nav-link{padding:0 11px}.structure-nav{font-size:17px}.structure-header .brand img{width:142px}.structure-header .language{display:none}}
@media(max-width:900px){.structure-mobile-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:14px 18px}.structure-mobile-nav a{padding:13px 15px;border-bottom:1px solid #eef0f3}.structure-mobile-nav a.is-active{color:#d71920;font-weight:700}}
/* VDE interactive workflow builder */
.vde-builder-demo{padding:96px max(5vw,32px) 112px;background:#f4f6f9;color:#172033}.vde-builder-demo>header{width:min(1240px,100%);margin:0 auto 34px}.vde-builder-demo>header p{margin:0 0 14px;color:#d71920;font-size:15px;font-weight:800;letter-spacing:.18em}.vde-builder-demo>header h2{margin:0 0 14px;font-size:clamp(38px,4.6vw,64px);line-height:1}.vde-builder-demo>header span{color:#667085;font-size:20px}
.builder-demo-shell{display:grid;grid-template-columns:300px minmax(0,1fr);width:min(1240px,100%);min-height:570px;margin:auto;overflow:hidden;border:1px solid #dfe3ea;border-radius:24px;background:#fff;box-shadow:0 24px 70px rgba(16,24,40,.11)}.demo-toolbox{display:flex;flex-direction:column;padding:20px;border-right:1px solid #dfe3ea;background:#f8f9fb}.demo-panel-bar{display:flex;align-items:center;gap:12px;padding:2px 2px 18px}.demo-panel-bar b{margin-right:auto}.demo-panel-bar span{padding:6px;border-radius:6px;color:#687182;font-size:14px;font-weight:800;background:#e9ecf1}.demo-panel-bar span:first-of-type{color:#fff;background:#d71920}.demo-search{display:flex;align-items:center;gap:9px;height:40px;padding:0 12px;border:1px solid #dfe3ea;border-radius:9px;background:#fff;color:#a0a7b2;font-size:16px}.demo-search span{flex:1}.demo-category{padding:18px 3px 10px;color:#4b5565;font-size:16px;font-weight:700}.demo-tools{display:grid;grid-template-columns:1fr 1fr;gap:10px}.demo-tools button{display:grid;grid-template-columns:30px 1fr;grid-template-rows:auto auto;align-items:center;min-width:0;padding:12px 9px;border:1px solid #e0e4ea;border-radius:10px;background:#fff;color:#222b3a;text-align:left;cursor:grab;transition:.18s}.demo-tools button:hover{transform:translateY(-2px);border-color:#adb6c5;box-shadow:0 8px 20px #10182817}.demo-tools button:disabled{opacity:.38;cursor:not-allowed;transform:none}.demo-tools .tool-symbol{grid-row:1/3;display:grid;place-items:center;width:25px;height:25px;border-radius:7px;color:#fff;font-style:normal}.symbol-image{background:#4058bb}.symbol-align{background:#7654c8}.symbol-blob{background:#007eb8}.symbol-check{background:#c96020}.demo-tools b{overflow:hidden;font-size:14px;text-overflow:ellipsis}.demo-tools small{color:#89919e;font-size:12px}.demo-toolbox>p{margin:auto 3px 0;color:#8b93a0;font-size:15px}
.demo-workspace{display:grid;grid-template-rows:54px 44px minmax(360px,1fr) 44px 42px;min-width:0;background-color:#eef1f5;background-image:radial-gradient(#cbd2dd 1px,transparent 1px);background-size:18px 18px}.workspace-toolbar{display:flex;align-items:center;gap:9px;padding:0 16px;border-bottom:1px solid #d8dde5;background:#fff}.workspace-toolbar b{font-size:16px}.workspace-toolbar button{margin-left:auto;padding:7px 12px;border:1px solid #d8dde5;border-radius:7px;background:#fff;cursor:pointer}.block-port{display:flex;align-items:center;gap:8px;padding:0 20px;background:#ffffffbd;color:#485365;font-size:15px}.block-port span{flex:1;height:1px;background:#cfd5de}.builder-dropzone{display:grid;place-items:center;margin:12px 18px;border:2px dashed transparent;border-radius:14px;transition:.18s}.builder-dropzone.is-dragover{border-color:#d71920;background:#d719200e}.drop-placeholder{display:grid;justify-items:center;gap:8px;color:#8b94a3;text-align:center;pointer-events:none}.drop-placeholder[hidden]{display:none}.drop-placeholder i{display:grid;place-items:center;width:54px;height:54px;border:1px solid #cdd3dd;border-radius:50%;background:#ffffffcc;color:#d71920;font-size:28px;font-style:normal}.builder-node-list{display:flex;align-items:center;justify-content:center;gap:30px;width:100%}.builder-node{position:relative;flex:1;max-width:190px;min-width:120px;border:1px solid #d9dee6;border-radius:12px;background:#fff;box-shadow:0 12px 28px #1018281c}.builder-node:not(:last-child):after{content:'→';position:absolute;left:calc(100% + 8px);top:50%;color:#939cab}.builder-node header{display:flex;align-items:center;gap:7px;padding:10px;border-bottom:1px solid #edf0f4;border-top:3px solid var(--node-color);border-radius:11px 11px 0 0}.builder-node header i,.builder-node p strong{color:var(--node-color)}.builder-node header b{min-width:0;overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.builder-node header button{margin-left:auto;border:0;background:transparent;cursor:pointer}.builder-node p{display:grid;gap:8px;margin:0;padding:12px 10px;color:#7b8492;font-size:12px}.builder-node p strong{text-align:right}.workspace-status{display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-top:1px solid #d8dde5;background:#fff;color:#77808e;font-size:14px}.workspace-status b i{display:inline-block;width:7px;height:7px;margin-right:5px;border-radius:50%;background:#24a148}
@media(max-width:900px){.vde-builder-demo{padding:72px 20px 84px}.builder-demo-shell{grid-template-columns:1fr}.demo-toolbox{border-right:0;border-bottom:1px solid #dfe3ea}.demo-tools{grid-template-columns:repeat(4,1fr)}.demo-toolbox>p{margin-top:14px}}@media(max-width:620px){.vde-builder-demo{padding-left:16px;padding-right:16px}.demo-tools{grid-template-columns:1fr 1fr}.builder-node-list{flex-direction:column;gap:18px}.builder-node{width:90%;flex:0 0 auto}.builder-node:not(:last-child):after{content:'↓';left:50%;top:100%}.demo-workspace{grid-template-rows:50px 40px minmax(560px,1fr) 40px 40px}}

/* Unified navigation dropdown trigger: stable arrow, no text shift */
.structure-nav .nav-link{position:relative;padding-right:25px}.structure-nav .nav-link:before{position:absolute;right:9px;top:50%;width:0;height:0;margin:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid #87909c;opacity:.72;transform:translateY(-35%);transition:transform .2s,opacity .2s}.structure-nav .nav-item:hover>.nav-link:before,.structure-nav .nav-item:focus-within>.nav-link:before{width:0;margin:0;opacity:1;transform:translateY(-35%) rotate(180deg)}