:root {
  color-scheme: light;
  --green-900: #0b3d2c;
  --green-800: #0f5136;
  --green-700: #12613f;
  --green-600: #1f8f59;
  --green-500: #2faf6e;
  --green-100: #e7f7ee;
  --green-50: #f4fbf7;
  --ink: #17231d;
  --muted: #61716a;
  --line: #cde8d9;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(9, 64, 43, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #fbfdfb;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.7;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(205, 232, 217, 0.78);
  backdrop-filter: blur(16px);
}

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

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 12px;
  background: var(--green-800);
  color: var(--white);
  font-size: 21px;
  font-weight: 800;
}

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

.brand strong {
  overflow: hidden;
  color: var(--green-900);
  font-size: 17px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.site-nav a {
  padding: 8px 12px;
  border-radius: 8px;
  color: #2e4138;
  font-size: 14px;
  transition: background 0.18s ease, color 0.18s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--green-100);
  color: var(--green-800);
  outline: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.95fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(46px, 7vw, 92px) clamp(18px, 5vw, 78px) clamp(34px, 6vw, 72px);
  background:
    radial-gradient(circle at top left, rgba(47, 175, 110, 0.16), transparent 34%),
    linear-gradient(135deg, #f5fbf8 0%, #ffffff 48%, #eaf7ef 100%);
}

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

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-700);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  color: var(--green-900);
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  color: var(--green-900);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  color: var(--green-900);
  font-size: 21px;
  line-height: 1.3;
}

.lead {
  max-width: 680px;
  margin-bottom: 28px;
  color: #40534a;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.2;
}

.button.primary {
  background: var(--green-700);
  color: var(--white);
  box-shadow: 0 12px 22px rgba(18, 97, 63, 0.2);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.82);
  color: var(--green-800);
}

.identity-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.identity-list div {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.8);
}

.identity-list dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

.identity-list dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--green-900);
  font-weight: 800;
}

.hero-media {
  overflow: hidden;
  border: 1px solid rgba(170, 218, 193, 0.9);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.section {
  padding: clamp(58px, 8vw, 98px) clamp(18px, 5vw, 78px);
}

.section-heading {
  max-width: 1080px;
  margin: 0 auto 28px;
}

.text-block,
.service-grid,
.compliance-panel,
.contact-grid,
.notice {
  max-width: 1080px;
  margin-right: auto;
  margin-left: auto;
}

.text-block {
  columns: 2 340px;
  column-gap: 46px;
  color: #40534a;
  font-size: 18px;
}

.text-block p {
  break-inside: avoid;
}

.tinted {
  background: var(--green-50);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(11, 61, 44, 0.07);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 34px;
  margin-bottom: 22px;
  border-radius: 8px;
  background: #dff5e8;
  color: var(--green-800);
  font-weight: 900;
}

.card p,
.compliance-panel p,
.notice p {
  color: #40534a;
}

.split {
  background: #ffffff;
}

.compliance-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: stretch;
}

.compliance-panel > div,
.record-box {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafffc;
}

.record-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  background: var(--green-800);
  color: var(--white);
}

.record-box span {
  color: #c7efd7;
  font-size: 14px;
  font-weight: 800;
}

.record-box strong {
  overflow-wrap: anywhere;
  font-size: 24px;
  line-height: 1.35;
}

.record-box a {
  width: fit-content;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #f5fff8;
  font-size: 14px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-item {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.contact-item span,
.contact-item strong {
  display: block;
}

.contact-item span {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 14px;
}

.contact-item strong {
  overflow-wrap: anywhere;
  color: var(--green-900);
  font-size: 18px;
}

.notice {
  border-top: 1px solid var(--line);
}

.notice h2 {
  margin-bottom: 18px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 5vw, 78px);
  background: var(--green-900);
  color: #edf8f1;
}

.site-footer div {
  display: grid;
  gap: 3px;
}

.site-footer span,
.site-footer a {
  color: #c7efd7;
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .identity-list,
  .service-grid,
  .compliance-panel,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
  }

  .brand strong {
    white-space: normal;
  }

  .site-nav a {
    padding: 7px 9px;
  }

  .hero {
    padding-top: 34px;
  }

  h1 {
    font-size: 36px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .card,
  .compliance-panel > div,
  .record-box,
  .contact-item {
    padding: 22px;
  }

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