:root {
  --ink: #17221b;
  --muted: #5f6c62;
  --line: #dbe2d7;
  --paper: #f7f5ec;
  --white: #fffdf8;
  --green: #2f6d50;
  --green-dark: #183829;
  --sage: #9bb081;
  --wood: #b57442;
  --amber: #d4aa48;
  --soft: #edf0e7;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  color: #fff;
  background: var(--green-dark);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--green-dark);
  background: var(--amber);
  border-radius: 7px;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
}

.hero {
  padding: 64px 5vw 48px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(24, 56, 41, 0.94), rgba(24, 56, 41, 0.52)),
    var(--hero-image) center / cover;
}

.wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

.crumb {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 800;
}

h1 {
  max-width: 820px;
  margin: 18px 0 16px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1;
  letter-spacing: 0;
}

.hero p {
  max-width: 760px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 6px;
  font-weight: 900;
}

.button.primary {
  color: var(--green-dark);
  background: var(--amber);
}

.button.ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.42);
}

section {
  padding: 72px 5vw;
}

.summary {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 34px;
  align-items: start;
}

.photo {
  min-height: 460px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--white);
}

.panel {
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.eyebrow {
  color: var(--wood);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

h2 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.22;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.feature {
  min-height: 150px;
  padding: 22px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.feature strong {
  display: block;
  color: var(--green);
  margin-bottom: 8px;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.service-tags span {
  padding: 9px 13px;
  color: var(--green-dark);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 900;
}

.related {
  background: var(--soft);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.related-card {
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 900;
}

.contact {
  color: #fff;
  background: var(--green-dark);
}

.contact p {
  color: rgba(255, 255, 255, 0.76);
}

.contact-box {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.contact-line {
  padding: 18px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.contact-line span {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 13px;
}

.contact-line strong {
  display: block;
  margin-top: 8px;
}

.mobile-contact {
  position: fixed;
  z-index: 40;
  left: 18px;
  right: 18px;
  bottom: 16px;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mobile-contact a {
  min-height: 46px;
  display: grid;
  place-items: center;
  color: var(--green-dark);
  background: var(--amber);
  border-radius: 6px;
  box-shadow: 0 12px 32px rgba(23, 34, 27, 0.22);
  font-weight: 900;
}

.mobile-contact a:last-child {
  color: #fff;
  background: var(--green);
}

footer {
  padding: 24px 5vw;
  color: rgba(255, 255, 255, 0.62);
  background: var(--green-dark);
  font-size: 13px;
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .summary,
  .feature-grid,
  .related-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .photo {
    min-height: 340px;
  }
}

@media (max-width: 620px) {
  .nav {
    padding: 0 22px;
  }

  .brand {
    font-size: 14px;
  }

  .hero,
  section {
    padding-left: 22px;
    padding-right: 22px;
  }

  .mobile-contact {
    display: grid;
  }

  footer {
    padding-bottom: 84px;
  }
}