:root {
  color: #162026;
  background: #f5f7f8;
  font-family:
    Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid #dfe7ea;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

nav a {
  color: #4c5b63;
  font-size: 14px;
  text-decoration: none;
}

nav a:hover {
  color: #0d7869;
}

main {
  margin: 0 auto;
  max-width: 1120px;
  padding: 56px 28px;
}

.hero {
  align-items: center;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  min-height: calc(100vh - 160px);
}

.eyebrow {
  color: #0d7869;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  font-size: 54px;
  line-height: 1.02;
  margin: 0 0 18px;
  max-width: 760px;
}

h2 {
  font-size: 30px;
  margin: 0 0 18px;
}

h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

p,
li {
  color: #52636c;
  font-size: 16px;
  line-height: 1.7;
}

.lead {
  font-size: 19px;
  max-width: 680px;
}

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

.button {
  align-items: center;
  background: #ffffff;
  border: 1px solid #cbd7dc;
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  min-height: 44px;
  padding: 0 18px;
  text-decoration: none;
}

.button.primary {
  background: #101719;
  border-color: #101719;
  color: #ffffff;
}

.product-panel,
.section article {
  background: #ffffff;
  border: 1px solid #dfe7ea;
  border-radius: 8px;
}

.product-panel {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.panel-row {
  align-items: center;
  border: 1px solid #e6ecef;
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  padding: 16px;
}

.panel-row span {
  color: #65747c;
}

.panel-row strong {
  font-size: 24px;
}

.panel-row.muted {
  background: #e9f7f4;
}

.section {
  border-top: 1px solid #dfe7ea;
  padding: 48px 0;
}

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

.section article {
  padding: 22px;
}

.split {
  align-items: start;
  display: grid;
  gap: 32px;
  grid-template-columns: 0.9fr 1.1fr;
}

.check-list {
  background: #ffffff;
  border: 1px solid #dfe7ea;
  border-radius: 8px;
  margin: 0;
  padding: 22px 22px 22px 42px;
}

.page {
  max-width: 850px;
}

.page h1 {
  font-size: 42px;
}

.page section {
  border-top: 1px solid #dfe7ea;
  padding: 30px 0;
}

footer {
  align-items: center;
  border-top: 1px solid #dfe7ea;
  color: #65747c;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding: 28px 40px;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 22px;
  }

  main {
    padding: 36px 20px;
  }

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

  .hero {
    min-height: auto;
  }

  h1 {
    font-size: 38px;
  }

  .page h1 {
    font-size: 34px;
  }
}