:root {
  --bg: #f5f8fb;
  --surface: #ffffff;
  --surface-soft: #edf4fb;
  --ink: #102033;
  --muted: #5e7187;
  --line: rgba(18, 42, 70, 0.12);
  --blue-900: #06162c;
  --blue-800: #0a2346;
  --blue-700: #123e75;
  --blue-500: #1768d1;
  --cyan: #20b7d8;
  --teal: #19a58b;
  --shadow: 0 20px 60px rgba(8, 28, 58, 0.14);
  --radius: 8px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(6, 22, 44, 0.76);
  color: #fff;
  backdrop-filter: blur(18px);
}

.site-header.scrolled {
  background: rgba(6, 22, 44, 0.94);
  box-shadow: 0 12px 34px rgba(3, 15, 32, 0.22);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: var(--header-height);
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  padding: 4px;
}

.brand-text {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.brand-text strong {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  white-space: nowrap;
}

.brand-text small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  line-height: 1.25;
}

.primary-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.86);
}

.primary-nav a {
  position: relative;
  white-space: nowrap;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--teal));
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: 0.18s ease;
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.language-switch button {
  min-width: 46px;
  height: 30px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.76);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

.language-switch button.active {
  background: #fff;
  color: var(--blue-800);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
  border-radius: 999px;
}

.hero {
  position: relative;
  min-height: 720px;
  color: #fff;
  overflow: hidden;
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

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

.hero-shade {
  background:
    radial-gradient(circle at 78% 16%, rgba(32, 183, 216, 0.28), transparent 34%),
    linear-gradient(105deg, rgba(4, 15, 33, 0.96) 0%, rgba(7, 28, 58, 0.9) 43%, rgba(6, 22, 44, 0.44) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  align-items: center;
  gap: 56px;
  min-height: 720px;
  padding-top: var(--header-height);
}

.section-kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
}

.hero-copy h1,
.section-heading h2,
.section-copy h2,
.solutions-content h2,
.compliance-content h2 {
  margin: 0;
  line-height: 1.15;
}

.hero-copy h1 {
  max-width: 760px;
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 800;
}

.hero-lede {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--cyan));
  color: #fff;
  box-shadow: 0 14px 34px rgba(23, 104, 209, 0.34);
}

.btn-secondary {
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.hero-capabilities {
  display: grid;
  gap: 14px;
}

.hero-capabilities div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(18px);
}

.hero-capabilities span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
}

.hero-capabilities strong {
  display: block;
  margin-top: 8px;
  font-size: 18px;
}

.hero-capabilities p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
}

.section {
  padding: 92px 0;
}

.split-layout,
.solutions-layout,
.compliance-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 64px;
}

.section-copy h2,
.section-heading h2,
.solutions-content h2,
.compliance-content h2 {
  color: var(--blue-900);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
}

.section-copy p:not(.section-kicker),
.section-heading p,
.solutions-content p,
.compliance-content p {
  color: var(--muted);
  font-size: 16px;
}

.section-copy p:not(.section-kicker) {
  max-width: 690px;
  margin: 22px 0 0;
}

.image-panel {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(145deg, #e7f2fa, #fff);
  box-shadow: var(--shadow);
}

.image-panel img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.business-section,
.compliance-section {
  background: #fff;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 38px;
}

.section-heading p:not(.section-kicker) {
  margin: 16px 0 0;
}

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

.service-card {
  min-height: 245px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(237, 244, 251, 0.64), rgba(255, 255, 255, 0.96)),
    #fff;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.service-card:hover {
  border-color: rgba(23, 104, 209, 0.24);
  box-shadow: 0 18px 42px rgba(8, 28, 58, 0.1);
  transform: translateY(-3px);
}

.service-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 30px;
  margin-bottom: 20px;
  border-radius: 8px;
  background: rgba(23, 104, 209, 0.1);
  color: var(--blue-500);
  font-size: 13px;
  font-weight: 800;
}

.service-card h3,
.solution-list h3 {
  margin: 0;
  color: var(--blue-900);
  font-size: 19px;
  line-height: 1.35;
}

.service-card p,
.solution-list p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.solutions-section {
  background:
    linear-gradient(180deg, rgba(237, 244, 251, 0.9), rgba(245, 248, 251, 0.78)),
    var(--surface-soft);
}

.solutions-layout {
  grid-template-columns: 390px minmax(0, 1fr);
}

.solutions-visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #dfeefa;
  box-shadow: var(--shadow);
}

.solutions-visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(6, 22, 44, 0.16));
  content: "";
}

.solutions-visual img {
  width: 100%;
  aspect-ratio: 1 / 1.18;
  object-fit: cover;
}

.solution-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.solution-list article {
  padding: 18px 20px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 12px 32px rgba(8, 28, 58, 0.06);
}

.compliance-layout {
  grid-template-columns: minmax(0, 1fr) 360px;
}

.compliance-content > p {
  max-width: 780px;
  margin: 18px 0 0;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.principle-grid div {
  min-height: 120px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.principle-grid strong,
.principle-grid span {
  display: block;
}

.principle-grid strong {
  color: var(--blue-900);
  font-size: 17px;
}

.principle-grid span {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.image-panel.compact img {
  aspect-ratio: 1 / 1.12;
}

.contact-section {
  background: linear-gradient(180deg, #f5f8fb, #eef4f9);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-item {
  min-height: 104px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 32px rgba(8, 28, 58, 0.06);
}

.contact-item.wide {
  grid-column: 1 / -1;
}

.contact-item span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.contact-item strong {
  display: block;
  margin-top: 10px;
  color: var(--blue-900);
  font-size: 18px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.contact-item a {
  color: var(--blue-500);
}

.site-footer {
  padding: 30px 0;
  background: var(--blue-900);
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.footer-brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  padding: 4px;
}

.footer-brand strong,
.footer-brand span {
  display: block;
  line-height: 1.35;
}

.footer-brand strong {
  color: #fff;
  font-size: 15px;
}

.footer-brand span {
  font-size: 12px;
}

.footer-meta {
  text-align: right;
  font-size: 13px;
}

.footer-meta p {
  margin: 3px 0;
}

.footer-meta a {
  color: #fff;
}

.policy-page {
  background:
    linear-gradient(180deg, rgba(6, 22, 44, 0.04), rgba(245, 248, 251, 0) 340px),
    var(--bg);
}

.policy-header {
  background: rgba(6, 22, 44, 0.96);
}

.policy-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
}

.policy-nav a {
  white-space: nowrap;
}

.policy-hero {
  padding: calc(var(--header-height) + 70px) 0 46px;
  background:
    linear-gradient(110deg, rgba(6, 22, 44, 0.96), rgba(10, 35, 70, 0.9)),
    var(--blue-900);
  color: #fff;
}

.policy-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.12;
}

.policy-hero p {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

.policy-shell {
  padding: 58px 0 84px;
}

.policy-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.policy-summary {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 12px 32px rgba(8, 28, 58, 0.08);
}

.policy-summary strong,
.policy-summary span {
  display: block;
}

.policy-summary strong {
  color: var(--blue-900);
  font-size: 16px;
}

.policy-summary span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
}

.policy-summary a {
  color: var(--blue-500);
  overflow-wrap: anywhere;
}

.policy-content {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 18px 46px rgba(8, 28, 58, 0.08);
}

.policy-content section + section {
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.policy-content h2 {
  margin: 0 0 12px;
  color: var(--blue-900);
  font-size: 24px;
  line-height: 1.3;
}

.policy-content h3 {
  margin: 22px 0 8px;
  color: var(--blue-800);
  font-size: 18px;
}

.policy-content p,
.policy-content li {
  color: #42556b;
  font-size: 16px;
}

.policy-content p {
  margin: 0 0 14px;
}

.policy-content ul {
  margin: 10px 0 0;
  padding-left: 22px;
}

.policy-content li + li {
  margin-top: 8px;
}

.policy-content a {
  color: var(--blue-500);
  font-weight: 700;
}

.policy-note {
  padding: 18px 20px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--surface-soft);
}

@media (max-width: 1080px) {
  .header-inner {
    grid-template-columns: auto auto auto;
    gap: 16px;
  }

  .primary-nav {
    gap: 16px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 34px;
  }

  .hero-capabilities {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .split-layout,
  .solutions-layout,
  .compliance-layout {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .solutions-visual,
  .image-panel {
    max-width: 520px;
  }
}

@media (max-width: 860px) {
  :root {
    --header-height: 68px;
  }

  .container,
  .header-inner {
    width: min(100% - 28px, 1160px);
  }

  .header-inner {
    grid-template-columns: 1fr auto auto;
  }

  .brand-text strong {
    max-width: 54vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-toggle {
    display: block;
    order: 3;
  }

  .language-switch {
    order: 2;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    right: 14px;
    left: 14px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    background: rgba(6, 22, 44, 0.98);
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.28);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: 0.18s ease;
  }

  .primary-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .primary-nav a {
    padding: 13px 10px;
    border-radius: 8px;
  }

  .primary-nav a:hover {
    background: rgba(255, 255, 255, 0.08);
  }

  .primary-nav a::after {
    display: none;
  }

  .hero,
  .hero-inner {
    min-height: 680px;
  }

  .hero-inner {
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 48px;
  }

  .hero-capabilities {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .principle-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-item.wide {
    grid-column: auto;
  }

  .section {
    padding: 68px 0;
  }

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

  .footer-meta {
    text-align: left;
  }

  .policy-nav {
    gap: 14px;
    font-size: 13px;
  }

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

  .policy-summary {
    position: static;
  }

  .policy-content {
    padding: 24px 20px;
  }
}

@media (max-width: 560px) {
  .brand img {
    width: 38px;
    height: 38px;
  }

  .brand-text small {
    display: none;
  }

  .language-switch button {
    min-width: 40px;
  }

  .hero-copy h1 {
    font-size: 36px;
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-actions {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .service-card,
  .contact-item,
  .principle-grid div {
    padding: 20px;
  }

  .policy-nav {
    display: none;
  }

  .policy-hero {
    padding-top: calc(var(--header-height) + 46px);
  }
}