:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --surface: #ffffff;
  --text: #202622;
  --muted: #657069;
  --line: #dbe5df;
  --green: #0a8f55;
  --green-dark: #067345;
  --green-soft: #e4f3eb;
  --shadow: 0 24px 70px rgba(23, 36, 29, 0.09);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(247, 248, 245, 0) 320px),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

.site-header {
  max-width: 1120px;
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 24px;
}

.brand {
  color: var(--green-dark);
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--green-dark);
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 44px 24px 72px;
}

.hero {
  min-height: 540px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: 46px;
}

.hero h1 {
  margin: 0;
  max-width: 680px;
  font-size: 58px;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero p {
  max-width: 650px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

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

.primary-button,
.secondary-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 760;
  text-decoration: none;
}

.primary-button {
  background: var(--green);
  color: #fff;
}

.secondary-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--green-dark);
}

.hero-panel {
  display: grid;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.hero-panel div,
.feature-grid article,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 22px;
}

.hero-panel span,
.contact-card span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.hero-panel strong,
.contact-card strong {
  display: block;
  margin-top: 8px;
  color: var(--green-dark);
  font-size: 22px;
}

.content-section {
  padding: 54px 0 0;
}

.content-section h2,
.legal-page h1 {
  margin: 0 0 20px;
  font-size: 34px;
  line-height: 1.2;
}

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

.feature-grid h3,
.legal-page h2 {
  margin: 0 0 10px;
  font-size: 19px;
}

.feature-grid p,
.legal-page p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.site-footer {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 24px 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.legal-page {
  max-width: 820px;
}

.legal-page h2 {
  margin-top: 34px;
}

.contact-card {
  margin-top: 16px;
}

@media (max-width: 760px) {
  .site-header {
    height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 22px;
  }

  nav {
    flex-wrap: wrap;
  }

  main {
    padding-top: 34px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

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

  .feature-grid {
    grid-template-columns: 1fr;
  }

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