* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f9f9f9;
  color: #1a1c1c;
  font-family: Inter, "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.site-shell {
  min-height: 100vh;
  overflow-x: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 84px;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(211, 196, 178, 0.45);
  backdrop-filter: blur(20px);
}

.topbar-inner,
.container {
  width: min(100% - 48px, 1280px);
  margin: 0 auto;
}

.topbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 160px;
}

.brand-logo {
  display: block;
  width: auto;
  height: 46px;
  object-fit: contain;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(123, 85, 2, 0.35);
  border-radius: 50%;
  color: #7b5502;
  font-family: Manrope, sans-serif;
  font-weight: 800;
  font-size: 22px;
}

.brand-text {
  display: grid;
  gap: 2px;
  color: #001a33;
  font-family: Manrope, sans-serif;
  font-weight: 800;
  line-height: 1;
}

.brand-text small {
  color: #4f4538;
  font-family: Inter, sans-serif;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
  color: #001a33;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
}

.nav a {
  position: relative;
  padding: 31px 0;
}

.nav a.active,
.nav a:hover {
  color: #7b5502;
}

.nav a.active::after,
.nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22px;
  height: 2px;
  background: #9f7425;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 24px;
  border: 0;
  border-radius: 4px;
  background: #7b5502;
  color: #fff;
  font-family: "Hanken Grotesk", Inter, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  background: #9f7425;
  box-shadow: 0 8px 30px rgba(159, 116, 37, 0.2);
  transform: translateY(-2px);
}

.btn.light {
  background: #9f7425;
}

.hero {
  position: relative;
  min-height: 610px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: #001a33;
}

.hero.compact {
  min-height: 540px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--hero-image) center / cover no-repeat;
  transform: scale(1.02);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 26, 51, 0.92), rgba(0, 26, 51, 0.62) 48%, rgba(0, 26, 51, 0.28));
}

.hero.light {
  color: #1a1c1c;
  background: #f9f6f0;
}

.hero.light::after {
  background: linear-gradient(90deg, rgba(249, 249, 249, 0.96), rgba(249, 249, 249, 0.82) 46%, rgba(249, 249, 249, 0.52));
}

.hero.center::after {
  background: rgba(0, 17, 33, 0.72);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(100% - 48px, 1280px);
  margin: 0 auto;
}

.hero.center .hero-content {
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 14px;
  border: 1px solid rgba(159, 116, 37, 0.35);
  border-radius: 999px;
  background: rgba(123, 85, 2, 0.1);
  color: #9f7425;
  font-family: "Hanken Grotesk", Inter, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 28px 0 20px;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 800;
  line-height: 1.08;
}

.hero.center h1 {
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  max-width: 700px;
  margin: 0 0 34px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
  line-height: 1.8;
}

.hero.light p {
  color: #4f4538;
}

.hero.center p {
  margin-left: auto;
  margin-right: auto;
}

.dots {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.42);
}

.dot.active {
  background: #9f7425;
}

.section {
  padding: 110px 0;
}

.section.alt {
  background: #f4f1eb;
}

.section.deep {
  background: #001a33;
  color: #fff;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 1.08fr);
  gap: 80px;
  align-items: center;
}

.kicker {
  color: #9f7425;
  font-family: "Hanken Grotesk", Inter, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section h2 {
  margin: 12px 0 18px;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.2;
}

.section p {
  color: #4f4538;
  font-size: 16px;
  line-height: 1.85;
}

.section.deep p {
  color: rgba(255, 255, 255, 0.76);
}

.center-title {
  max-width: 760px;
  margin: 0 auto 60px;
  text-align: center;
}

.center-title h2 {
  margin-top: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  min-height: 248px;
  padding: 38px;
  background: #fff;
  border: 1px solid rgba(211, 196, 178, 0.6);
  border-radius: 8px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.03);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.card:hover {
  border-color: rgba(159, 116, 37, 0.45);
  box-shadow: 0 16px 45px rgba(159, 116, 37, 0.12);
  transform: translateY(-4px);
}

.icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border: 1px solid rgba(159, 116, 37, 0.13);
  border-radius: 12px;
  background: #f9f6f0;
  color: #7b5502;
}

.card h3 {
  margin: 0 0 14px;
  color: #0a0a0a;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: 24px;
  line-height: 1.35;
}

.card p {
  margin: 0 0 28px;
  color: #4f4538;
}

.text-link {
  color: #7b5502;
  font-family: "Hanken Grotesk", Inter, sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.service-carousel {
  position: relative;
}

.carousel-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(300px, 1fr);
  gap: 28px;
  overflow-x: auto;
  padding: 8px 2px 18px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.carousel-track .card {
  scroll-snap-align: start;
}

.network {
  position: relative;
  min-height: 330px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #001a33;
}

.network::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("exports/world-map.png") center / cover no-repeat;
  opacity: 0.22;
}

.network-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.locations {
  display: flex;
  justify-content: center;
  gap: 44px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.location {
  display: grid;
  justify-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
}

.location .pin {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #00111f;
  color: #f2be68;
}

.cta-band {
  padding: 100px 24px;
  background: #f9f6f0;
  text-align: center;
}

.cta-band h2 {
  margin: 0 0 18px;
  font-family: Manrope, "Microsoft YaHei", sans-serif;
  font-size: clamp(32px, 4vw, 46px);
}

.cta-band p {
  margin: 0 auto 32px;
  max-width: 660px;
  color: #4f4538;
  line-height: 1.8;
}

.footer {
  padding: 72px 0 34px;
  background: #fff;
  border-top: 1px solid rgba(211, 196, 178, 0.35);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) repeat(3, minmax(140px, 0.6fr));
  gap: 48px;
}

.footer p,
.footer a {
  color: #4f4538;
  font-size: 14px;
  line-height: 1.8;
}

.footer h4 {
  margin: 0 0 16px;
  color: #001a33;
  font-family: Manrope, sans-serif;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.copyright {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid rgba(211, 196, 178, 0.35);
  color: #4f4538;
  font-size: 13px;
}

@media (max-width: 900px) {
  .topbar {
    height: auto;
  }

  .topbar-inner {
    width: min(100% - 32px, 1280px);
    min-height: 74px;
    flex-wrap: wrap;
    padding: 12px 0;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 4px;
    font-size: 14px;
  }

  .nav a {
    padding: 8px 0;
  }

  .nav a.active::after,
  .nav a:hover::after {
    bottom: 0;
  }

  .topbar .btn {
    padding: 0 16px;
  }

  .hero,
  .hero.compact {
    min-height: 560px;
  }

  .topbar-inner,
  .container,
  .hero-content {
    width: min(100% - 32px, 1280px);
  }

  .split,
  .grid,
  .grid.four,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 78px 0;
  }

  .card {
    min-height: auto;
    padding: 28px;
  }
}