* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #17233d;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  background: #f6f9ff;
}

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

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(31, 95, 175, .08);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #0b3b78;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .02em;
}

.brand-logo {
  width: 112px;
  height: auto;
  display: block;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #304766;
  font-size: 15px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 96px;
  background: linear-gradient(135deg, #eaf4ff 0%, #f7fbff 48%, #e8f6ff 100%);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(18, 104, 216, .1);
}

.hero::before {
  width: 360px;
  height: 360px;
  right: -120px;
  top: -120px;
}

.hero::after {
  width: 220px;
  height: 220px;
  left: -80px;
  bottom: -80px;
  background: rgba(255, 122, 26, .12);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 64px;
}

.eyebrow {
  margin: 0 0 18px;
  color: #1268d8;
  font-size: 18px;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  color: #082f63;
  font-size: 54px;
  line-height: 1.16;
  letter-spacing: -.02em;
}

.hero h1 span {
  color: #1268d8;
}

.hero-desc {
  margin: 24px 0 0;
  color: #55687f;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  height: 48px;
  border: 0;
  cursor: pointer;
  font: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #1268d8, #1f8ce8);
  box-shadow: 0 12px 28px rgba(18, 104, 216, .28);
}

.btn-light {
  color: #1268d8;
  background: #fff;
  box-shadow: 0 10px 24px rgba(31, 95, 175, .12);
}

.hero-card {
  padding: 34px;
  border: 1px solid rgba(18, 104, 216, .12);
  border-radius: 22px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 28px 70px rgba(9, 54, 116, .14);
}

.hero-card h2 {
  margin: 0 0 22px;
  color: #0b3b78;
  font-size: 26px;
}

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

.data-item {
  padding: 20px;
  border-radius: 14px;
  background: #f4f9ff;
}

.data-item strong {
  display: block;
  color: #1268d8;
  font-size: 28px;
  line-height: 1.2;
}

.data-item span {
  color: #55687f;
  font-size: 14px;
}

.section {
  padding: 78px 0;
}

.section-title {
  margin-bottom: 34px;
  text-align: center;
}

.section-title p {
  margin: 0 0 8px;
  color: #1268d8;
  font-weight: 700;
}

.section-title h2 {
  margin: 0;
  color: #082f63;
  font-size: 34px;
  line-height: 1.3;
}

.about-card {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  padding: 38px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(9, 54, 116, .1);
}

.about-card p {
  margin: 0 0 16px;
  color: #4d627d;
  font-size: 17px;
}

.about-side {
  padding: 28px;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(145deg, #1268d8, #0b3b78);
}

.about-side h3 {
  margin: 0 0 18px;
  font-size: 24px;
}

.about-side ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-side li {
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.about-side li:last-child {
  border-bottom: 0;
}

.business {
  background: #fff;
}

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

.business-item {
  min-height: 156px;
  padding: 24px;
  border: 1px solid #e7eff9;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #f8fbff);
  box-shadow: 0 12px 30px rgba(9, 54, 116, .07);
}

.business-item strong {
  display: block;
  margin-bottom: 10px;
  color: #0b3b78;
  font-size: 20px;
}

.business-item p {
  margin: 0;
  color: #6a7d92;
  font-size: 15px;
}

.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-card {
  padding: 32px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(9, 54, 116, .1);
}

.contact-card h3 {
  margin: 0 0 22px;
  color: #0b3b78;
  font-size: 24px;
}

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

.contact-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #1268d8;
  font-weight: 800;
  background: #eaf4ff;
}

.contact-item b {
  display: block;
  color: #17233d;
  font-size: 18px;
}

.contact-item span,
.contact-item a {
  color: #5b6f87;
}

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

.cooperation-item {
  padding: 16px 18px;
  border-radius: 14px;
  background: #f6fbff;
}

.cooperation-item b {
  display: block;
  color: #0b3b78;
  font-size: 17px;
}

.cooperation-item span {
  color: #5b6f87;
  font-size: 15px;
}

.site-footer {
  padding: 30px 0;
  color: rgba(255, 255, 255, .72);
  background: #102235;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  margin-top: 12px;
  font-size: 13px;
}

.footer-links a {
  color: inherit;
}

@media (max-width: 960px) {
  .top-nav {
    display: none;
  }

  .hero-inner,
  .about-card,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .header-inner {
    height: 64px;
  }

  .hero {
    padding: 58px 0 64px;
  }

  .hero h1 {
    font-size: 38px;
  }

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

  .hero-card,
  .about-card,
  .contact-card {
    padding: 24px;
  }

  .data-grid,
  .business-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .section-title h2 {
    font-size: 28px;
  }
}