:root {
  --brand-900: #0b2341;
  --brand-800: #123d70;
  --brand-700: #154f97;
  --brand-600: #1d6ab7;
  --brand-100: #eaf2fb;
  --surface: #ffffff;
  --surface-soft: #f3f6f9;
  --line: #d8e2ec;
  --ink: #102033;
  --muted: #607086;
  --teal: #14a6a0;
  --amber: #c8902f;
  --shadow: 0 18px 48px rgba(11, 35, 65, 0.14);
  --radius: 8px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.65;
  background: var(--surface);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(216, 226, 236, 0.78);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  width: min(var(--container), calc(100% - 40px));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

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

.brand img {
  width: 38px;
  height: 38px;
}

.brand strong {
  display: block;
  color: var(--brand-800);
  font-size: 21px;
  line-height: 1;
  letter-spacing: 0;
}

.brand span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.1;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--brand-800);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.main-nav a {
  padding: 10px 13px;
  border-radius: 8px;
  color: #2b3b50;
  font-size: 15px;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--brand-800);
  background: var(--brand-100);
}

.nav-contact {
  border: 1px solid rgba(21, 79, 151, 0.22);
}

.hero {
  position: relative;
  min-height: 76vh;
  display: grid;
  align-items: center;
  color: #ffffff;
  overflow: hidden;
  background-position: center;
  background-size: cover;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 24, 45, 0.88) 0%, rgba(10, 38, 71, 0.74) 46%, rgba(10, 38, 71, 0.25) 100%),
    linear-gradient(180deg, rgba(9, 28, 52, 0.1), rgba(9, 28, 52, 0.42));
}

.hero.home-hero {
  background-image: url("images/hero-command-center.png");
}

.page-hero.capabilities-hero {
  background-image: url("images/platform-lab.png");
}

.page-hero.applications-hero {
  background-image: url("images/applications-factory.png");
}

.page-hero.roadmap-hero {
  background-image: url("images/roadmap-planning.png");
}

.page-hero.contact-hero {
  background-image: url("images/roadmap-planning.png");
}

.page-hero.download-hero {
  background-image: url("images/hero-command-center.png");
}

.page-hero.intelligence-hero {
  min-height: 64vh;
  background-image: url("images/platform-lab.png");
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 52px;
}

.hero-kicker,
.section-kicker {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(40px, 6vw, 70px);
  line-height: 1.04;
  letter-spacing: 0;
}

.page-hero {
  min-height: 44vh;
}

.page-hero h1 {
  max-width: 920px;
  font-size: clamp(34px, 5vw, 58px);
}

.hero-lede {
  max-width: 760px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2.1vw, 22px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  line-height: 1.2;
}

.button.primary {
  color: #ffffff;
  background: var(--brand-700);
  box-shadow: 0 12px 26px rgba(21, 79, 151, 0.28);
}

.button.primary:hover {
  background: var(--brand-600);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover {
  border-color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.16);
}

.button.light {
  color: var(--brand-800);
  background: #ffffff;
}

.button.outline {
  color: var(--brand-800);
  border-color: rgba(21, 79, 151, 0.34);
  background: transparent;
}

.button.outline:hover {
  border-color: var(--brand-700);
  background: var(--brand-100);
}

.release-banner {
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.release-banner-inner {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 22px 0;
}

.release-summary,
.download-product {
  display: flex;
  align-items: center;
  gap: 18px;
}

.release-summary strong {
  display: block;
  color: var(--brand-900);
  font-size: 22px;
}

.release-summary div > span:last-child {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.release-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--teal);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.intelligence-section {
  background:
    linear-gradient(135deg, rgba(234, 242, 251, 0.88), rgba(255, 255, 255, 0.98) 56%, rgba(20, 166, 160, 0.08));
}

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

.intelligence-card {
  min-height: 100%;
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 22px;
  padding: 30px;
  border: 1px solid rgba(21, 79, 151, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(11, 35, 65, 0.08);
}

.intelligence-card.mcp-card {
  border-color: rgba(20, 166, 160, 0.26);
}

.intelligence-mark {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: #ffffff;
  background: var(--brand-700);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0;
}

.mcp-card .intelligence-mark {
  background: var(--teal);
}

.intelligence-card h3 {
  margin: 0 0 9px;
  color: var(--brand-900);
  font-size: 25px;
  line-height: 1.2;
}

.intelligence-card p {
  margin: 0;
  color: var(--muted);
}

.compact-list {
  margin-top: 16px;
  font-size: 14px;
}

.text-link {
  display: inline-flex;
  margin-top: 24px;
  color: var(--brand-700);
  font-weight: 800;
}

.text-link:hover {
  color: var(--brand-600);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 38px;
  max-width: 860px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
}

.metric {
  min-height: 98px;
  padding: 20px;
  background: rgba(6, 24, 45, 0.3);
}

.metric strong {
  display: block;
  font-size: 26px;
  line-height: 1.15;
}

.metric span {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.section {
  padding: 82px 0;
}

.section.alt {
  background: var(--surface-soft);
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  align-items: end;
  gap: 46px;
  margin-bottom: 38px;
}

.section-head h2 {
  margin: 0;
  color: var(--brand-900);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.lead-text {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 50px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: minmax(320px, 0.75fr) minmax(0, 0.95fr);
}

.media-frame {
  position: relative;
  min-height: 430px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--brand-100);
}

.media-frame img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 35, 65, 0), rgba(11, 35, 65, 0.18));
}

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

.feature-card,
.problem-card,
.scenario-card,
.advantage-card,
.contact-card {
  min-height: 100%;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(12, 32, 51, 0.05);
}

.feature-card:hover,
.scenario-card:hover,
.advantage-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.feature-card,
.scenario-card,
.advantage-card {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.eyebrow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--brand-700);
  font-size: 14px;
  font-weight: 800;
}

.feature-card h3,
.problem-card h3,
.scenario-card h3,
.advantage-card h3,
.contact-card h3 {
  margin: 0 0 10px;
  color: var(--brand-900);
  font-size: 21px;
  line-height: 1.28;
}

.feature-card p,
.problem-card p,
.scenario-card p,
.advantage-card p,
.contact-card p {
  margin: 0;
  color: var(--muted);
}

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

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(21, 79, 151, 0.18);
  border-radius: 8px;
  color: var(--brand-800);
  background: var(--brand-100);
  font-size: 14px;
}

.flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.flow-step {
  position: relative;
  min-height: 128px;
  padding: 20px 16px;
  border: 1px solid rgba(216, 226, 236, 0.9);
  border-radius: var(--radius);
  background: #ffffff;
}

.flow-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -10px;
  width: 10px;
  height: 2px;
  background: var(--brand-600);
}

.flow-step:last-child::after {
  display: none;
}

.flow-step strong {
  display: block;
  color: var(--brand-900);
  line-height: 1.28;
}

.flow-step span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.capability-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.capability-strip div {
  min-height: 118px;
  padding: 22px;
  background: #ffffff;
}

.capability-strip strong {
  display: block;
  color: var(--brand-900);
  font-size: 18px;
}

.capability-strip span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  margin-top: 8px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 26px;
  bottom: 26px;
  left: 25px;
  width: 2px;
  background: var(--line);
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
}

.timeline-marker {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #ffffff;
  background: var(--brand-700);
  font-weight: 800;
}

.timeline-content {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.timeline-content h3 {
  margin: 0 0 8px;
  color: var(--brand-900);
  font-size: 22px;
}

.timeline-content p {
  margin: 0;
  color: var(--muted);
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: #405169;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
}

.capability-list {
  display: grid;
  gap: 14px;
}

.capability-list article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.capability-list article > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  color: #ffffff;
  background: var(--brand-700);
  font-weight: 800;
}

.capability-list h3,
.trust-grid h3 {
  margin: 0 0 7px;
  color: var(--brand-900);
  font-size: 19px;
}

.capability-list p,
.trust-grid p {
  margin: 0;
  color: var(--muted);
}

.tool-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tool-flow article {
  min-height: 142px;
  padding: 24px;
  border-left: 4px solid var(--teal);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(11, 35, 65, 0.06);
}

.tool-flow strong {
  display: block;
  color: var(--brand-900);
  font-size: 19px;
}

.tool-flow span {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 14px;
}

.trust-section {
  border-top: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.trust-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.inline-actions {
  margin-top: 30px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.7fr);
  gap: 40px;
  align-items: start;
}

.contact-panel {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.contact-row {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.contact-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  box-shadow: none;
}

.contact-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #ffffff;
  background: var(--brand-700);
  font-weight: 800;
}

.contact-value {
  display: block;
  color: var(--brand-800);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  word-break: break-all;
}

.download-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.75fr);
  gap: 30px;
  align-items: start;
}

.download-panel,
.verify-panel {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.download-product {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}

.download-product img {
  width: 78px;
  height: 78px;
  flex: 0 0 auto;
}

.download-product h2,
.verify-panel h2 {
  margin: 10px 0 4px;
  color: var(--brand-900);
  font-size: 30px;
  line-height: 1.15;
}

.download-product p,
.verify-panel p,
.download-note {
  margin: 0;
  color: var(--muted);
}

.release-details {
  display: grid;
  gap: 0;
  margin: 24px 0;
}

.release-details div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--surface-soft);
}

.release-details dt {
  color: var(--muted);
}

.release-details dd {
  margin: 0;
  color: var(--brand-900);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.download-cta {
  width: 100%;
}

.download-note {
  margin-top: 14px;
  font-size: 14px;
}

.verify-panel {
  background: var(--surface-soft);
  box-shadow: none;
}

.checksum {
  display: block;
  margin: 22px 0;
  padding: 16px;
  border: 1px solid rgba(21, 79, 151, 0.18);
  border-radius: var(--radius);
  color: var(--brand-800);
  background: var(--brand-100);
  font-family: Consolas, "Courier New", monospace;
  font-size: 14px;
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-break: break-all;
}

.verify-panel pre {
  margin: 0;
  padding: 16px;
  border-radius: var(--radius);
  overflow-x: auto;
  color: #ffffff;
  background: var(--brand-900);
}

.site-footer {
  color: rgba(255, 255, 255, 0.74);
  background: var(--brand-900);
}

.footer-inner {
  width: min(var(--container), calc(100% - 40px));
  min-height: 122px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 28px 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-weight: 800;
}

.footer-brand img {
  width: 34px;
  height: 34px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
}

.footer-links a:hover {
  color: #ffffff;
}

@media (max-width: 960px) {
  .nav-wrap {
    min-height: 66px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 66px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow);
  }

  .site-header.open .main-nav {
    display: flex;
  }

  .main-nav a {
    padding: 12px 14px;
  }

  .section-head,
  .split,
  .split.reverse,
  .contact-layout,
  .download-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .problem-grid,
  .scenario-grid,
  .advantage-grid,
  .trust-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .flow-step::after {
    display: none;
  }

  .media-frame {
    min-height: 320px;
  }

  .release-banner-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .nav-wrap,
  .container,
  .hero-content,
  .footer-inner {
    width: min(100% - 28px, var(--container));
  }

  .brand span {
    display: none;
  }

  .hero {
    min-height: 74vh;
  }

  .page-hero {
    min-height: 46vh;
  }

  .hero-content {
    padding: 58px 0 50px;
  }

  .hero h1 {
    font-size: clamp(36px, 13vw, 52px);
  }

  .hero-lede {
    font-size: 17px;
  }

  .feature-grid,
  .problem-grid,
  .scenario-grid,
  .advantage-grid,
  .flow,
  .capability-strip,
  .intelligence-grid,
  .tool-flow,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 28px;
  }

  .metric {
    min-height: 84px;
    padding: 14px;
  }

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

  .metric span {
    font-size: 12px;
  }

  .section {
    padding: 58px 0;
  }

  .feature-card,
  .problem-card,
  .scenario-card,
  .advantage-card,
  .contact-card,
  .timeline-content,
  .contact-panel,
  .download-panel,
  .verify-panel {
    padding: 22px;
  }

  .release-summary,
  .download-product {
    align-items: flex-start;
  }

  .intelligence-card {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .intelligence-mark {
    width: 58px;
    height: 58px;
  }

  .download-product img {
    width: 58px;
    height: 58px;
  }

  .release-details div {
    grid-template-columns: 1fr;
    gap: 3px;
  }

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

  .contact-value {
    font-size: 21px;
  }

  .footer-inner {
    display: grid;
  }

  .footer-links {
    justify-content: flex-start;
  }
}