:root {
  --page: #f7f3eb;
  --surface: #fffaf1;
  --ink: #22302e;
  --muted: #65716d;
  --line: #d9d1c3;
  --teal: #0f5f5c;
  --teal-dark: #0a3f3e;
  --amber: #c8892c;
  --shadow: 0 24px 80px rgba(34, 48, 46, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  line-height: 1.7;
}

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;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(247, 243, 235, 0.88);
  border-bottom: 1px solid rgba(217, 209, 195, 0.78);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--teal);
  color: var(--surface);
  font-weight: 800;
}

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

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 15px;
  white-space: nowrap;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 1.12fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  min-height: calc(100vh - 82px);
  padding: clamp(44px, 7vw, 96px) clamp(20px, 5vw, 72px);
}

.hero-copy {
  max-width: 650px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(38px, 5vw, 70px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.lead {
  max-width: 610px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 20px;
  border: 1px solid var(--teal);
  border-radius: 8px;
  font-weight: 700;
}

.button.primary {
  background: var(--teal);
  color: var(--surface);
}

.button.secondary {
  color: var(--teal-dark);
}

.button:hover {
  transform: translateY(-1px);
}

.hero-media {
  margin: 0;
}

.hero-media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(58px, 8vw, 108px) clamp(20px, 5vw, 72px);
}

.about-section,
.process-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(24px, 5vw, 70px);
  align-items: start;
}

.about-text {
  color: var(--muted);
  font-size: 18px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.service-card {
  min-height: 250px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 250, 241, 0.68);
}

.service-index {
  display: block;
  margin-bottom: 34px;
  color: var(--teal);
  font-weight: 800;
}

.service-card p,
.process-list span,
.contact-section p,
.site-footer {
  color: var(--muted);
}

.process-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-section {
  margin: clamp(36px, 6vw, 80px) clamp(20px, 5vw, 72px);
  padding: clamp(32px, 5vw, 60px);
  border-radius: 8px;
  background: var(--teal-dark);
  color: var(--surface);
}

.contact-section .section-kicker,
.contact-section p {
  color: #e8c278;
}

.contact-card {
  display: grid;
  gap: 12px;
  font-style: normal;
}

.contact-card p {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  color: #f7f3eb;
}

.contact-card span {
  color: #e8c278;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .about-section,
  .process-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

  .service-card {
    min-height: 0;
  }

  .process-list li,
  .contact-card p {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}