:root {
  --primary: #2f9df4;
  --primary-dark: #126db8;
  --primary-soft: #eaf6ff;
  --ink: #13243a;
  --muted: #607086;
  --line: #d8eaf8;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(33, 114, 180, 0.14);
}

* {
  box-sizing: border-box;
}

::selection {
  background-color: rgba(37, 99, 235, 0.5);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: linear-gradient(180deg, #f7fcff 0%, #ffffff 42%, #edf8ff 100%);
  line-height: 1.7;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(216, 234, 248, 0.8);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.navbar {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #2563EB;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #72c7ff);
  box-shadow: 0 10px 22px rgba(47, 157, 244, 0.24);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(6, 118, 71, 0.5);
  font-size: 15px;
  font-weight: 600;
}

.nav-links a:hover {
  color: rgba(6, 118, 71, 0.5);
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 92px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 64px;
  min-height: calc(100vh - 76px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.06em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.hero-copy,
.section-heading p,
.split-section p,
.contact-card p {
  color: var(--muted);
  font-size: 17px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #62c0ff);
  box-shadow: 0 14px 28px rgba(47, 157, 244, 0.25);
}

.button.secondary {
  color: var(--primary-dark);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.hero-card {
  position: relative;
  min-height: 500px;
  border: 1px solid rgba(166, 216, 249, 0.75);
  border-radius: 42px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 15%, rgba(85, 190, 255, 0.38), transparent 34%),
    linear-gradient(150deg, #ffffff 0%, #dff3ff 52%, #bde6ff 100%);
  box-shadow: var(--shadow);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 34px;
  border: 1px solid rgba(47, 157, 244, 0.16);
  border-radius: 34px;
  background-image:
    linear-gradient(rgba(47, 157, 244, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 157, 244, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(18, 109, 184, 0.2);
  border-radius: 999px;
}

.orbit-one {
  inset: 92px 58px;
}

.orbit-two {
  inset: 140px 108px;
}

.dashboard-card {
  position: absolute;
  display: grid;
  gap: 4px;
  border: 1px solid rgba(216, 234, 248, 0.95);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 45px rgba(37, 112, 174, 0.14);
  backdrop-filter: blur(16px);
}

.dashboard-card span,
.dashboard-card small {
  color: var(--muted);
}

.dashboard-card strong {
  color: var(--primary-dark);
  font-size: 42px;
  line-height: 1;
}

.main-card {
  top: 160px;
  left: 50%;
  width: 260px;
  padding: 28px;
  transform: translateX(-50%);
}

.mini-card {
  width: 150px;
  padding: 18px;
}

.mini-card strong {
  font-size: 30px;
}

.card-left {
  left: 48px;
  bottom: 92px;
}

.card-right {
  right: 48px;
  bottom: 70px;
}

.stats-band {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.stats-band div {
  padding: 28px;
  background: rgba(255, 255, 255, 0.86);
}

.stats-band strong {
  display: block;
  color: var(--primary-dark);
  font-size: 34px;
  line-height: 1;
}

.stats-band span {
  color: var(--muted);
  font-size: 14px;
}

.split-section {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 56px;
  align-items: center;
}

.feature-grid,
.job-list {
  display: grid;
  gap: 18px;
}

.feature-grid article,
.job-list article,
.news-card,
.solution-card,
.contact-card,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 14px 42px rgba(47, 157, 244, 0.08);
}

.feature-grid article,
.job-list article,
.news-card,
.solution-card {
  padding: 26px;
}

.feature-grid p,
.news-card p,
.solution-card p,
.job-list span {
  color: var(--muted);
}

.soft-section {
  width: 100%;
  max-width: none;
  padding-left: max(20px, calc((100% - 1180px) / 2));
  padding-right: max(20px, calc((100% - 1180px) / 2));
  background: linear-gradient(180deg, rgba(234, 246, 255, 0.72), rgba(255, 255, 255, 0.6));
}

.section-heading {
  max-width: 680px;
  margin-bottom: 34px;
}

.card-grid {
  display: grid;
  gap: 22px;
}

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

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

.news-card span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 800;
}

.icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  place-items: center;
  border-radius: 16px;
  color: var(--primary-dark);
  background: var(--primary-soft);
  font-weight: 900;
}

.contact-section {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 28px;
  align-items: stretch;
}

.contact-card,
.contact-form {
  padding: 34px;
}

.contact-info {
  display: grid;
  gap: 12px;
  margin-top: 28px;
  color: #31516f;
  font-weight: 700;
}

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

.contact-form label {
  display: grid;
  gap: 8px;
  color: #31516f;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  color: var(--ink);
  font: inherit;
  outline: none;
  background: #f8fcff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(47, 157, 244, 0.12);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer .brand {
  color: var(--ink);
}

@media (max-width: 960px) {
  .navbar,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .navbar {
    padding: 16px 0;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero,
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .three-cols,
  .four-cols,
  .stats-band {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .section {
    width: min(100% - 28px, 1180px);
    padding: 64px 0;
  }

  .navbar,
  .stats-band,
  .site-footer {
    width: calc(100% - 28px);
  }

  .hero-card {
    min-height: 420px;
    border-radius: 30px;
  }

  .main-card {
    top: 126px;
    width: 220px;
  }

  .card-left {
    left: 22px;
    bottom: 76px;
  }

  .card-right {
    right: 22px;
    bottom: 48px;
  }

  .three-cols,
  .four-cols,
  .stats-band {
    grid-template-columns: 1fr;
  }

  .contact-card,
  .contact-form,
  .feature-grid article,
  .job-list article,
  .news-card,
  .solution-card {
    padding: 22px;
  }
}