:root {
  --bg: #f3f6ff;
  --bg-deep: #eaf0ff;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-solid: #ffffff;
  --text: #10233f;
  --muted: #5d6b82;
  --line: rgba(21, 54, 119, 0.1);
  --primary: #2f46ff;
  --primary-dark: #1731d1;
  --primary-soft: rgba(47, 70, 255, 0.12);
  --shadow: 0 24px 80px rgba(27, 53, 121, 0.12);
  --radius: 24px;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 14% 14%, rgba(47, 70, 255, 0.16), transparent 20%),
    radial-gradient(circle at 84% 10%, rgba(47, 70, 255, 0.12), transparent 18%),
    linear-gradient(180deg, #f9fbff 0%, var(--bg) 56%, var(--bg-deep) 100%);
}

body.menu-open {
  overflow: hidden;
}

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

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

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-compact {
  padding-top: 18px;
  padding-bottom: 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.52);
  backdrop-filter: blur(12px);
}

.site-shell {
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(245, 247, 255, 0.76);
  border-bottom: 1px solid rgba(20, 48, 110, 0.08);
}

.nav-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  height: 44px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav a {
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
  transition: color .2s ease;
}

.nav a:hover {
  color: var(--primary);
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-size: 28px;
  color: var(--primary);
  cursor: pointer;
}

.hero {
  padding: 76px 0 44px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 44px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.hero h1 {
  margin: 0 0 24px;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero p,
.section-head p,
.lead,
.contact-copy p {
  color: var(--muted);
  line-height: 1.9;
}

.hero p {
  margin: 0 0 28px;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(47, 70, 255, 0.18);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #4c66ff);
}

.btn-secondary {
  color: var(--primary);
  border: 1px solid rgba(47, 70, 255, 0.18);
  background: rgba(255, 255, 255, 0.78);
}

.btn-light {
  color: var(--primary);
  background: #fff;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-points li {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(47, 70, 255, 0.1);
  background: rgba(255, 255, 255, 0.74);
  color: #1c356b;
  font-size: 14px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 530px;
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(22px);
}

.hero-glow-a {
  width: 300px;
  height: 300px;
  right: 30px;
  top: 6px;
  background: rgba(47, 70, 255, 0.2);
}

.hero-glow-b {
  width: 190px;
  height: 190px;
  left: 20px;
  bottom: 64px;
  background: rgba(96, 118, 255, 0.2);
}

.hero-card {
  position: absolute;
  inset: 34px 0 0 48px;
  padding: 42px;
  border-radius: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 30px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background:
    linear-gradient(160deg, rgba(18, 35, 96, 0.96), rgba(20, 43, 154, 0.88)),
    radial-gradient(circle at 22% 18%, rgba(255, 255, 255, 0.16), transparent 30%);
}

.hero-card::before,
.hero-card::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-card::before {
  width: 420px;
  height: 420px;
  right: -150px;
  top: -100px;
}

.hero-card::after {
  width: 320px;
  height: 320px;
  left: -110px;
  bottom: -140px;
}

.hero-logo {
  width: min(100%, 350px);
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.18));
}

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

.hero-metrics article {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics strong {
  display: block;
  margin-bottom: 6px;
  color: #fff;
  font-size: 28px;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13px;
  line-height: 1.5;
}

.feature-strip,
.service-grid,
.capability-grid,
.client-grid,
.contact-layout {
  display: grid;
}

.feature-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-card,
.service-card,
.capability-card,
.client-card,
.info-panel,
.qualification-panel,
.contact-panel-card,
.contact-item {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.feature-card {
  padding: 28px;
  border-radius: var(--radius);
}

.feature-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #6178ff);
  margin-bottom: 18px;
}

.feature-card h3,
.capability-card h3,
.service-card h3,
.info-panel h3,
.qualification-panel h3,
.contact-panel-card h3,
.contact-copy h2,
.section-head h2 {
  margin: 0 0 12px;
}

.feature-card h3,
.capability-card h3,
.service-card h3,
.info-panel h3,
.qualification-panel h3,
.contact-panel-card h3 {
  font-size: 22px;
}

.feature-card p,
.capability-card p,
.service-card p,
.client-card span,
.info-panel span,
.qualification-item span,
.contact-panel-card p,
.contact-item span,
.footer-meta {
  color: var(--muted);
  line-height: 1.8;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: start;
}

.section-head {
  margin-bottom: 18px;
}

.section-head.centered {
  max-width: 760px;
  text-align: center;
  margin: 0 auto 48px;
}

.section-head h2 {
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1.12;
}

.section-head p,
.lead {
  font-size: 17px;
}

.primary-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.service-card {
  padding: 28px;
  border-radius: 28px;
}

.icon-wrap {
  width: 60px;
  height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), #5a74ff);
  color: #fff;
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 16px 32px rgba(47, 70, 255, 0.2);
}

.capability-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.capability-card {
  padding: 30px;
  border-radius: 28px;
}

.capability-card.highlight {
  background: linear-gradient(160deg, rgba(47, 70, 255, 0.96), rgba(25, 51, 209, 0.92));
  border-color: transparent;
}

.capability-card.highlight h3,
.capability-card.highlight p {
  color: #fff;
}

.info-panel {
  padding: 30px;
  border-radius: 28px;
}

.info-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 22px;
}

.info-panel li {
  display: grid;
  gap: 8px;
}

.info-panel strong,
.qualification-item strong,
.client-card strong,
.contact-item strong {
  font-size: 18px;
}

.qualifications-layout {
  grid-template-columns: minmax(0, 1fr) 420px;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.badge-list span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: rgba(47, 70, 255, 0.08);
  border: 1px solid rgba(47, 70, 255, 0.12);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
}

.qualification-panel {
  padding: 22px;
  border-radius: 28px;
  display: grid;
  gap: 16px;
}

.qualification-item {
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(47, 70, 255, 0.08);
}

.qualification-item strong,
.qualification-item span {
  display: block;
}

.qualification-item strong {
  margin-bottom: 8px;
}

.client-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.client-card {
  min-height: 144px;
  padding: 24px;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cta-section {
  padding-top: 30px;
}

.cta-box {
  padding: 38px 42px;
  border-radius: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  box-shadow: 0 30px 80px rgba(27, 53, 121, 0.22);
  background: linear-gradient(135deg, #162c90, #2f46ff 55%, #4961ff);
}

.cta-box h2,
.cta-box p,
.cta-box .eyebrow {
  color: #fff;
}

.cta-box h2 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.12;
}

.cta-box p {
  margin: 0;
}

.contact-layout {
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 28px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.contact-item {
  padding: 24px 26px;
  border-radius: 24px;
  transition: transform .2s ease, border-color .2s ease;
}

.contact-item:hover {
  transform: translateY(-2px);
  border-color: rgba(47, 70, 255, 0.25);
}

.contact-item span,
.contact-item strong {
  display: block;
}

.contact-item span {
  margin-bottom: 8px;
  font-size: 14px;
}

.contact-panel {
  display: grid;
  gap: 18px;
}

.contact-panel-card {
  padding: 30px;
  border-radius: 28px;
}

.contact-panel-card p {
  margin: 0 0 16px;
}

.contact-panel-card p:last-child {
  margin-bottom: 0;
}

.contact-panel-card.dark {
  display: grid;
  place-items: center;
  min-height: 220px;
  text-align: center;
  color: #fff;
  background: linear-gradient(160deg, rgba(18, 35, 96, 0.96), rgba(20, 43, 154, 0.88));
}

.contact-panel-card.dark img {
  width: 120px;
  margin-bottom: 18px;
}

.contact-panel-card.dark p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  letter-spacing: 0.08em;
}

.footer {
  padding: 26px 0 42px;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  border-top: 1px solid rgba(21, 54, 119, 0.08);
}

.footer-logo {
  height: 38px;
  width: auto;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  font-size: 14px;
}

@media (max-width: 1100px) {
  .hero-grid,
  .split-layout,
  .qualifications-layout,
  .contact-layout,
  .primary-grid,
  .capability-grid,
  .client-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-visual {
    min-height: 420px;
  }

  .hero-card {
    inset: 0;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: fixed;
    left: 20px;
    right: 20px;
    top: 92px;
    z-index: 120;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border-radius: 24px;
    border: 1px solid rgba(21, 54, 119, 0.08);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 14px 16px;
    border-radius: 16px;
  }

  .nav a:hover {
    background: rgba(47, 70, 255, 0.06);
  }

  .hero-grid,
  .feature-strip,
  .split-layout,
  .qualifications-layout,
  .primary-grid,
  .capability-grid,
  .client-grid,
  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    padding-top: 44px;
  }

  .hero-visual {
    min-height: 400px;
  }

  .hero-card {
    padding: 32px;
  }

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

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

  .cta-box,
  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 560px) {
  .container {
    width: min(100vw - 24px, 1180px);
  }

  .section {
    padding: 74px 0;
  }

  .nav-wrap {
    min-height: 74px;
  }

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

  .hero h1,
  .section-head h2,
  .cta-box h2 {
    letter-spacing: -0.03em;
  }

  .feature-card,
  .service-card,
  .capability-card,
  .info-panel,
  .qualification-panel,
  .contact-panel-card,
  .client-card,
  .contact-item,
  .cta-box {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero-card {
    padding: 26px;
    border-radius: 28px;
  }
}