:root {
  color: #111827;
  background: #eef1f3;
  font-family: Inter, "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.92), rgba(235,240,244,0.95)),
    #eef1f3;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 20px;
  backdrop-filter: blur(18px);
}

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

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  box-shadow: 0 16px 38px rgba(31, 41, 55, 0.16);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 20px;
  letter-spacing: 0;
}

.brand small {
  margin-top: 3px;
  color: #6b7280;
  font-size: 12px;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  color: #4b5563;
  font-size: 14px;
}

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

.top-nav a:hover {
  background: rgba(255,255,255,0.76);
}

.top-nav .nav-cta {
  border: 1px solid #111827;
  background: #111827;
  color: #fff;
  font-weight: 700;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 20px 50px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.85fr);
  gap: 28px;
  min-height: 560px;
  align-items: center;
  padding: 42px 0 38px;
}

.eyebrow,
.section-title span,
.card-kicker {
  color: #0f766e;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.hero h1 {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero p {
  max-width: 660px;
  margin: 24px 0 0;
  color: #4b5563;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary,
.secondary,
.product-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 800;
}

.primary,
.product-card a {
  background: #111827;
  color: #fff;
  box-shadow: 0 16px 34px rgba(17, 24, 39, 0.18);
}

.secondary {
  border: 1px solid #cbd5e1;
  background: rgba(255,255,255,0.78);
  color: #1f2937;
}

.hero-panel {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.34);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.96), rgba(226,232,240,0.84));
  box-shadow: 0 26px 80px rgba(51, 65, 85, 0.16);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 34px -80px auto auto;
  width: 360px;
  height: 190px;
  border: 1px solid rgba(148, 163, 184, 0.34);
  border-radius: 50%;
  transform: rotate(-14deg);
}

.orbital-card,
.product-mini {
  position: absolute;
  border: 1px solid rgba(203, 213, 225, 0.88);
  border-radius: 8px;
  background: rgba(255,255,255,0.86);
  box-shadow: 0 22px 46px rgba(51, 65, 85, 0.12);
}

.main-card {
  left: 34px;
  right: 34px;
  top: 42px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
}

.main-card img {
  width: 78px;
  height: 78px;
  border-radius: 50%;
}

.main-card strong,
.main-card span,
.product-mini strong,
.product-mini p {
  display: block;
}

.main-card strong {
  font-size: 22px;
}

.main-card span,
.product-mini p {
  color: #64748b;
}

.product-mini {
  width: 205px;
  padding: 18px;
}

.data-mini {
  left: 42px;
  bottom: 46px;
}

.script-mini {
  right: 34px;
  bottom: 74px;
}

.script-mini img {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  object-fit: cover;
  object-position: center;
}

.product-mini strong {
  margin-top: 8px;
  font-size: 18px;
}

.product-mini p {
  margin: 9px 0 0;
  font-size: 13px;
  line-height: 1.6;
}

.section {
  padding: 34px 0;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.section-title h2 {
  margin: 6px 0 0;
  font-size: 34px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  min-height: 260px;
  border: 1px solid rgba(203, 213, 225, 0.88);
  border-radius: 8px;
  background: rgba(255,255,255,0.86);
  padding: 22px;
  box-shadow: 0 18px 54px rgba(51, 65, 85, 0.09);
}

.product-card h3 {
  margin: 16px 0 0;
  font-size: 24px;
}

.product-card p {
  margin: 12px 0 24px;
  color: #64748b;
  line-height: 1.75;
}

.product-card.muted {
  background: rgba(241,245,249,0.86);
}

.product-card span {
  color: #64748b;
  font-size: 14px;
  font-weight: 800;
}

.workflow {
  padding-bottom: 80px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.steps div {
  border-top: 1px solid #cbd5e1;
  padding-top: 18px;
}

.steps b,
.steps strong {
  display: block;
}

.steps b {
  color: #0f766e;
  font-size: 13px;
}

.steps strong {
  margin-top: 8px;
  font-size: 20px;
}

.steps p {
  color: #64748b;
  line-height: 1.7;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
  border-top: 1px solid #cbd5e1;
  padding: 22px 20px 34px;
  color: #64748b;
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
}

.site-footer a {
  color: inherit;
}

.site-footer a:hover {
  color: #0f172a;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .hero,
  .product-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .hero h1 {
    font-size: 40px;
  }

  .hero-panel {
    min-height: 520px;
  }

  .main-card,
  .data-mini,
  .script-mini {
    left: 18px;
    right: 18px;
    width: auto;
  }

  .data-mini {
    bottom: 184px;
  }

  .script-mini {
    bottom: 34px;
  }

  .site-footer {
    flex-direction: column;
  }
}