:root {
  color-scheme: light;
  --ink: #132421;
  --muted: #5f6f6a;
  --line: #dce6e1;
  --soft: #f4f8f5;
  --soft-2: #eef5f0;
  --brand: #17664f;
  --brand-2: #b98132;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(19, 36, 33, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px 6vw;
  border-bottom: 1px solid rgba(220, 230, 225, 0.86);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 180px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: var(--brand);
  color: var(--white);
  font-size: 23px;
  font-weight: 800;
}

.brand-text {
  display: grid;
  line-height: 1.12;
}

.brand-text strong {
  font-size: 18px;
}

.brand-text small {
  color: var(--muted);
  font-size: 13px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #304742;
  font-size: 15px;
}

.nav a {
  border-radius: 999px;
  padding: 9px 14px;
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: var(--soft-2);
  color: var(--brand);
}

.nav .nav-cta {
  border: 1px solid var(--line);
  background: var(--white);
}

.hero,
.section,
.page-hero {
  padding-left: 6vw;
  padding-right: 6vw;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.82fr);
  gap: 60px;
  align-items: center;
  min-height: 760px;
  padding-top: 76px;
  padding-bottom: 74px;
  background:
    linear-gradient(135deg, rgba(244, 248, 245, 0.94), rgba(255, 255, 255, 0.96)),
    radial-gradient(circle at top right, rgba(185, 129, 50, 0.14), transparent 36%);
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 5.2vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 3vw, 46px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.28;
}

.lead {
  margin-bottom: 30px;
  max-width: 720px;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 800;
}

.button.primary {
  background: var(--brand);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(23, 102, 79, 0.22);
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
}

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

.proof-row div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
}

.proof-row dt {
  color: var(--brand);
  font-size: 23px;
  font-weight: 900;
}

.proof-row dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-visual {
  margin: 0;
}

.hero-visual img {
  overflow: hidden;
  border: 1px solid rgba(220, 230, 225, 0.94);
  border-radius: 28px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-visual figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.page-hero {
  padding-top: 92px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, var(--soft), var(--white));
}

.page-hero h1 {
  max-width: 900px;
  font-size: clamp(42px, 4.8vw, 70px);
}

.page-hero p:not(.eyebrow) {
  max-width: 820px;
  color: var(--muted);
  font-size: 20px;
}

.section {
  padding-top: 92px;
  padding-bottom: 92px;
}

.section.compact {
  padding-top: 80px;
}

.section.band {
  background: var(--soft);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 36px;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.three-grid,
.metric-grid,
.article-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.three-grid article,
.metric-grid article,
.article-grid article,
.report-card,
.process-grid li,
.price-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  background: var(--white);
}

.three-grid p,
.metric-grid span,
.article-grid p,
.process-grid p,
.report-card p,
.text-stack p,
.service-detail p {
  color: var(--muted);
}

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

.service-strip a {
  display: grid;
  min-height: 220px;
  align-content: space-between;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 26px;
  background: var(--white);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.service-strip a:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.service-strip span,
.step-label,
.process-grid span {
  color: var(--brand-2);
  font-size: 14px;
  font-weight: 900;
}

.service-strip strong {
  font-size: 22px;
}

.service-strip small {
  color: var(--muted);
  font-size: 15px;
}

.pricing-grid {
  align-items: stretch;
}

.pricing-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.price-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 100%;
}

.price-card.featured {
  border-color: rgba(23, 102, 79, 0.42);
  background: linear-gradient(180deg, #ffffff, #f0f7f2);
  box-shadow: var(--shadow);
}

.price-card h2,
.price-card h3 {
  margin-bottom: 0;
}

.price-card p {
  color: var(--muted);
}

.price-card .check-list {
  flex: 1;
}

.plan-tag {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 6px 11px;
  background: var(--soft-2);
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.section-link {
  margin-top: 24px;
  text-align: center;
}

.section-link a {
  color: var(--brand);
  font-weight: 900;
}

.split,
.service-detail,
.report-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: 54px;
  align-items: start;
}

.text-stack {
  display: grid;
  gap: 16px;
  font-size: 18px;
}

.timeline {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  background: var(--white);
}

.timeline span {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  background: var(--soft-2);
  color: var(--brand);
  font-weight: 900;
}

.timeline p {
  margin-bottom: 0;
  color: var(--muted);
}

.guardrails {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 44px;
}

.guardrails ul,
.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guardrails li,
.check-list li {
  position: relative;
  padding-left: 26px;
  color: #334944;
}

.guardrails li::before,
.check-list li::before {
  position: absolute;
  top: 0.64em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--brand);
  content: "";
}

.contact-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--ink);
  color: var(--white);
}

.contact-band p {
  max-width: 780px;
  color: rgba(255, 255, 255, 0.76);
}

.contact-band .eyebrow {
  color: #cfac70;
}

.contact-band .button.primary {
  background: var(--white);
  color: var(--ink);
  box-shadow: none;
  white-space: nowrap;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.report-layout {
  align-items: stretch;
}

.report-card.muted {
  background: var(--soft);
}

.compare-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
}

.compare-table > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--line);
}

.compare-table > div:last-child {
  border-bottom: 0;
}

.compare-table strong,
.compare-table span {
  padding: 18px 22px;
}

.compare-table strong {
  background: var(--soft-2);
}

.compare-table span {
  color: var(--muted);
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-grid article {
  display: grid;
  gap: 10px;
}

.metric-grid strong {
  font-size: 20px;
}

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

.contact-hero {
  background: linear-gradient(135deg, #f5f7f4, #ffffff);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: space-between;
  padding: 28px 6vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

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

@media (max-width: 1040px) {
  .hero,
  .split,
  .service-detail,
  .report-layout,
  .guardrails {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .service-strip,
  .metric-grid,
  .process-grid,
  .pricing-grid.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
  }

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

  .hero {
    padding-top: 54px;
    padding-bottom: 56px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 30px;
  }

  .proof-row,
  .three-grid,
  .service-strip,
  .process-grid,
  .metric-grid,
  .article-grid,
  .pricing-grid,
  .pricing-grid.four {
    grid-template-columns: 1fr;
  }

  .compare-table > div {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  .contact-band {
    align-items: flex-start;
    flex-direction: column;
  }
}