* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #1f2937;
  background: #f7faf7;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.7;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  color: #ffffff;
  background: rgba(24, 70, 43, 0.42);
  backdrop-filter: blur(14px);
}

.light-header {
  position: sticky;
  color: #1f2937;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid #e5e7eb;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  color: #ffffff;
  background: #f97316;
  font-size: 17px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 30px);
  font-size: 15px;
  font-weight: 600;
}

.site-nav a {
  opacity: 0.88;
}

.site-nav a:hover {
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 112px clamp(22px, 7vw, 92px) 90px;
  color: #ffffff;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12, 45, 25, 0.74) 0%, rgba(12, 45, 25, 0.38) 48%, rgba(12, 45, 25, 0.08) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #f97316;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #fed7aa;
}

h1,
h2 {
  margin: 0;
  line-height: 1.16;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(44px, 8vw, 78px);
}

h2 {
  color: #14532d;
  font-size: clamp(28px, 4vw, 42px);
}

.hero-copy {
  max-width: 560px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(17px, 2vw, 22px);
}

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

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 126px;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 800;
}

.primary-link {
  color: #ffffff;
  background: #f97316;
}

.secondary-link {
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.78);
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 74px 24px;
}

.section-head {
  max-width: 680px;
  margin-bottom: 28px;
}

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

.feature-grid article {
  min-height: 172px;
  padding: 22px;
  border: 1px solid #d9eadc;
  border-radius: 8px;
  background: #ffffff;
}

.feature-grid strong {
  display: block;
  margin-bottom: 10px;
  color: #14532d;
  font-size: 20px;
}

.feature-grid p,
.split-section p,
.service-section p {
  margin: 0;
  color: #52635a;
}

.split-section,
.service-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 6vw, 74px);
  align-items: start;
  border-top: 1px solid #dfe9e1;
}

.split-section p,
.service-section p {
  margin-top: 16px;
}

.rule-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: rules;
}

.rule-list li {
  position: relative;
  min-height: 54px;
  padding: 14px 18px 14px 58px;
  border: 1px solid #d9eadc;
  border-radius: 8px;
  background: #ffffff;
  color: #374151;
}

.rule-list li::before {
  counter-increment: rules;
  content: counter(rules);
  position: absolute;
  left: 16px;
  top: 13px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  color: #ffffff;
  background: #16a34a;
  font-weight: 900;
}

.info-list {
  display: grid;
  gap: 12px;
}

.info-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid #d9eadc;
  border-radius: 8px;
  background: #ffffff;
}

.info-list span {
  color: #667085;
}

.info-list strong {
  color: #14532d;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(22px, 7vw, 92px);
  color: #d8f3dc;
  background: #14532d;
}

.site-footer p {
  margin: 4px 0 0;
  color: rgba(216, 243, 220, 0.76);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: rgba(255, 255, 255, 0.92);
}

.doc-page {
  background: #ffffff;
}

.doc {
  max-width: 860px;
  margin: 0 auto;
  padding: 58px 24px 86px;
}

.doc h1 {
  color: #14532d;
  font-size: clamp(34px, 6vw, 52px);
}

.doc-meta {
  margin: 10px 0 36px;
  color: #667085;
}

.doc section {
  padding: 26px 0;
  border-top: 1px solid #e5e7eb;
}

.doc h2 {
  margin-bottom: 12px;
  font-size: 24px;
}

.doc p {
  margin: 0;
  color: #4b5563;
}

@media (max-width: 760px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    min-height: auto;
    padding-top: 16px;
    padding-bottom: 16px;
    flex-direction: column;
    gap: 12px;
  }

  .light-header {
    position: static;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    font-size: 14px;
    white-space: nowrap;
  }

  .hero {
    min-height: 86vh;
    padding-top: 150px;
  }

  .hero::after {
    background: rgba(12, 45, 25, 0.6);
  }

  .feature-grid,
  .split-section,
  .service-section {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .info-list div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
}