:root {
  --navy: #071a33;
  --blue: #0f4cba;
  --blue-2: #1c6ee8;
  --ink: #172033;
  --muted: #657085;
  --line: #dce4f2;
  --soft: #f4f7fb;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--white);
  line-height: 1.6;
}

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

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
  flex: 0 0 auto;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  font-size: 18px;
}

.brand-text small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  margin-top: -2px;
}

.brand-logo {
  max-width: 180px;
  max-height: 52px;
  object-fit: contain;
}

.brand-logo-mobile {
  display: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #344057;
  font-size: 15px;
}

.nav-links ul {
  display: contents;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links li {
  position: relative;
  list-style: none;
}

.nav-links .sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  display: none;
  min-width: 220px;
  transform: translateX(-50%);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 50px rgba(7, 26, 51, 0.14);
  padding: 10px;
  z-index: 20;
}

.nav-links li:hover > .sub-menu,
.nav-links li:focus-within > .sub-menu {
  display: grid;
  gap: 4px;
}

.nav-links .sub-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: #344057;
}

.nav-links .sub-menu a:hover {
  background: var(--soft);
  color: var(--blue);
}

.nav-toggle {
  display: none;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--navy);
  background: var(--white);
  font: inherit;
}

.nav-cta,
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 700;
  border: 1px solid transparent;
  white-space: nowrap;
}

.nav-cta,
.btn-primary {
  color: var(--white);
  background: var(--blue);
}

.btn-secondary {
  color: var(--navy);
  background: var(--white);
  border-color: #b8c8e4;
}

.hero {
  background:
    linear-gradient(90deg, rgba(7, 26, 51, 0.96) 0%, rgba(7, 26, 51, 0.86) 46%, rgba(7, 26, 51, 0.58) 100%),
    linear-gradient(135deg, #102b56 0%, #0f4cba 58%, #eaf2ff 100%);
  color: var(--white);
}

.hero-inner {
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 56px;
  padding: 82px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #dce9ff;
  font-size: 14px;
  margin-bottom: 24px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: 56px;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  color: #d6e4fb;
  font-size: 19px;
  margin-bottom: 34px;
}

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

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.11);
  color: #eaf2ff;
  font-size: 14px;
}

.signal-panel {
  background: rgba(255, 255, 255, 0.96);
  border-radius: 8px;
  color: var(--ink);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  font-weight: 800;
}

.status {
  color: #0b8f61;
  font-size: 13px;
  font-weight: 700;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}

.metric {
  background: var(--white);
  padding: 22px 20px;
}

.metric strong {
  display: block;
  color: var(--navy);
  font-size: 26px;
  line-height: 1.1;
}

.metric span {
  color: var(--muted);
  font-size: 13px;
}

.platforms {
  padding: 20px;
}

.platform-row {
  display: grid;
  grid-template-columns: 88px 1fr 42px;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
}

.bar {
  height: 8px;
  background: #e7edf7;
  border-radius: 999px;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  background: var(--blue-2);
  border-radius: inherit;
}

section {
  padding: 88px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: end;
  margin-bottom: 34px;
}

.section-head h2 {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--navy);
  font-size: 34px;
  line-height: 1.25;
}

.section-head p {
  max-width: 500px;
  margin-bottom: 0;
  color: var(--muted);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.service-card,
.case-card,
.news-card,
.advantage,
.side-contact {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.service-card {
  min-height: 250px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-card strong,
.tag {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.service-card h3,
.advantage h3,
.case-card h3,
.news-card h3 {
  color: var(--navy);
  font-size: 21px;
  line-height: 1.3;
  margin-bottom: 12px;
}

.service-card p,
.advantage p,
.case-card p,
.news-card p {
  color: var(--muted);
  margin-bottom: 0;
  font-size: 15px;
}

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

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

.advantage {
  padding: 26px;
  min-height: 190px;
}

.advantage-number {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 8px;
  color: var(--white);
  background: var(--blue);
  font-weight: 800;
}

.card-grid {
  display: grid;
  gap: 18px;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.case-card,
.news-card {
  overflow: hidden;
}

.card-link {
  display: block;
  height: 100%;
}

.case-media {
  height: 150px;
  background:
    linear-gradient(135deg, rgba(15, 76, 186, 0.92), rgba(7, 26, 51, 0.92)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.16) 0, rgba(255,255,255,0.16) 1px, transparent 1px, transparent 18px);
  display: flex;
  align-items: end;
  padding: 18px;
  color: var(--white);
  font-weight: 800;
}

.card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-body,
.news-card {
  padding: 22px;
}

.tag {
  display: inline-block;
  margin-bottom: 12px;
}

.news-card {
  min-height: 210px;
}

.cta {
  color: var(--white);
  background: var(--navy);
  padding: 76px 0;
}

.cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.cta h2 {
  font-size: 34px;
  line-height: 1.25;
  margin-bottom: 12px;
}

.cta p {
  color: #cfdef5;
  margin-bottom: 0;
}

.contact-box {
  display: flex;
  align-items: center;
  gap: 18px;
}

.contact-box img,
.qr-placeholder {
  width: 112px;
  height: 112px;
  border-radius: 8px;
  background: var(--white);
  color: var(--muted);
}

.qr-placeholder {
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 13px;
}

.footer {
  background: #061426;
  color: #b8c8e4;
  padding: 34px 0;
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.footer p {
  margin: 6px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.page-hero {
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(7, 26, 51, 0.96), rgba(15, 76, 186, 0.72)),
    linear-gradient(135deg, #071a33, #0f4cba);
  padding: 76px 0;
}

.page-hero p {
  max-width: 760px;
  color: #d6e4fb;
  font-size: 18px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  color: #d6e4fb;
  font-size: 14px;
}

.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 44px;
  align-items: start;
}

.narrow {
  max-width: 860px;
}

.rich-content {
  color: #27334a;
  font-size: 17px;
}

.rich-content h2,
.rich-content h3 {
  color: var(--navy);
  line-height: 1.3;
}

.rich-content h2 {
  margin: 32px 0 14px;
  font-size: 28px;
}

.rich-content h3 {
  margin: 26px 0 12px;
  font-size: 22px;
}

.rich-content p,
.rich-content li {
  color: #445066;
}

.grid {
  display: grid;
  gap: 18px;
}

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

.list-item {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.list-item .tag {
  margin-bottom: 10px;
}

.featured-image {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 28px;
}

.side-contact {
  position: sticky;
  top: 96px;
  padding: 24px;
}

.side-contact h2 {
  color: var(--navy);
  font-size: 24px;
}

.side-contact p {
  color: var(--muted);
}

.side-contact .btn-primary,
.side-contact .btn-secondary {
  width: 100%;
  margin-top: 12px;
}

.related-block {
  padding: 0 0 88px;
}

.related-block h2 {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto 24px;
  color: var(--navy);
  font-size: 30px;
}

.case-detail-item {
  padding: 24px;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.case-detail-item h2 {
  margin-top: 0;
}

.pagination {
  margin-top: 34px;
}

@media (max-width: 1080px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 18px 50px rgba(7, 26, 51, 0.12);
  }

  .nav-links.is-open {
    display: grid;
    gap: 14px;
  }

  .nav-links .sub-menu {
    position: static;
    display: grid;
    min-width: 0;
    margin-top: 8px;
    transform: none;
    box-shadow: none;
  }

  .hero-inner,
  .content-layout,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  h1 {
    font-size: 42px;
  }

  .side-contact {
    position: static;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .nav {
    min-height: 66px;
  }

  .brand-text small,
  .nav-cta {
    display: none;
  }

  .brand-logo-desktop {
    display: none;
  }

  .brand-logo-mobile {
    display: block;
  }

  .hero-inner {
    padding: 58px 0;
    gap: 34px;
  }

  h1 {
    font-size: 34px;
  }

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

  section {
    padding: 64px 0;
  }

  .section-head,
  .cta-inner,
  .footer-inner,
  .contact-box {
    display: block;
  }

  .section-head h2,
  .cta h2 {
    font-size: 28px;
    margin-bottom: 14px;
  }

  .services-grid,
  .advantages-grid,
  .card-grid.three,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .cta .hero-actions {
    margin-top: 24px;
  }

  .contact-box img,
  .qr-placeholder {
    margin-bottom: 18px;
  }
}