:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --surface: #ffffff;
  --surface-muted: #eef3ed;
  --text: #18201b;
  --muted: #5f6b63;
  --line: #dce4dc;
  --brand: #16795b;
  --brand-dark: #0f5943;
  --accent: #d99533;
  --shadow: 0 18px 50px rgba(22, 51, 39, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

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;
  width: 100%;
  padding: 18px clamp(20px, 6vw, 72px);
  border-bottom: 1px solid rgba(220, 228, 220, 0.8);
  background: rgba(247, 248, 245, 0.92);
  backdrop-filter: blur(16px);
}

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

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}

.brand-text {
  overflow: hidden;
  font-size: 18px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 15px;
}

.site-nav a:hover {
  color: var(--brand);
}

.hero-section,
.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100svh - 76px);
  padding: 72px 0;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 720px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 20px);
}

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

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 700;
}

.primary-link {
  background: var(--brand);
  color: #fff;
}

.primary-link:hover {
  background: var(--brand-dark);
}

.secondary-link {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.secondary-link:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-row {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.panel-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

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

.panel-row strong {
  font-size: 22px;
}

.section {
  padding: 88px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p,
.contact-section p,
.feature-card p,
.service-item p {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  border-radius: 8px;
  background: rgba(217, 149, 51, 0.14);
  color: var(--accent);
  font-weight: 800;
}

.muted-section {
  width: 100%;
  max-width: none;
  padding-right: max(20px, calc((100% - 1120px) / 2));
  padding-left: max(20px, calc((100% - 1120px) / 2));
  background: var(--surface-muted);
}

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

.service-item {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-top: 1px solid rgba(95, 107, 99, 0.2);
}

.service-item:last-child {
  border-bottom: 1px solid rgba(95, 107, 99, 0.2);
}

.service-item p {
  margin-bottom: 0;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 44px;
  align-items: start;
}

.contact-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

dl {
  display: grid;
  gap: 18px;
  margin: 0;
}

dl div {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 700;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 20px;
  padding: 28px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

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

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .hero-section {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 54px 0 72px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-item,
  .contact-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand-text {
    font-size: 16px;
  }

  .site-nav {
    font-size: 14px;
  }

  .hero-section,
  .section {
    width: min(100% - 32px, 1120px);
  }

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

  .feature-card {
    min-height: auto;
  }

  dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}