:root {
  color-scheme: light;
  --ink: #17211b;
  --muted: #5f6d64;
  --line: #dfe7de;
  --paper: #fbfcf8;
  --soft: #eef5e7;
  --brand: #10a79b;
  --brand-dark: #087970;
  --lime: #a9cf2d;
  --gold: #c4952f;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang 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;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(23, 33, 27, 0.08);
  background: rgba(251, 252, 248, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand span {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a {
  padding: 6px 0;
}

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

.hero {
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: 64px clamp(20px, 7vw, 96px) 72px;
  background:
    linear-gradient(135deg, rgba(238, 245, 231, 0.92), rgba(251, 252, 248, 0.9)),
    radial-gradient(circle at 86% 24%, rgba(16, 167, 155, 0.16), transparent 34%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-text {
  max-width: 720px;
  margin-bottom: 28px;
  color: #344138;
  font-size: 18px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
}

.button.primary {
  background: var(--brand-dark);
  color: var(--white);
}

.button.secondary {
  border-color: rgba(8, 121, 112, 0.24);
  color: var(--brand-dark);
  background: rgba(255, 255, 255, 0.72);
}

.hero-media {
  margin: 0;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid rgba(8, 121, 112, 0.12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(23, 33, 27, 0.08);
}

.hero-media img {
  width: min(440px, 100%);
  margin: 0 auto;
}

.section {
  display: grid;
  grid-template-columns: 180px minmax(0, 920px);
  gap: clamp(22px, 5vw, 72px);
  padding: 82px clamp(20px, 7vw, 96px);
  border-top: 1px solid var(--line);
}

.section-muted {
  background: #f4f8ef;
}

.section-label {
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.section-content h2,
.contact-section h2 {
  margin-bottom: 22px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-content p {
  max-width: 820px;
  color: #2d3830;
  font-size: 17px;
}

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

.business-grid article {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.business-grid h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

.business-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.capability-list li {
  min-height: 68px;
  padding: 18px 20px;
  border-left: 4px solid var(--lime);
  background: var(--white);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(300px, 0.78fr);
  gap: 36px;
  align-items: start;
  padding: 76px clamp(20px, 7vw, 96px);
  background: var(--brand-dark);
  color: var(--white);
}

.contact-section .eyebrow {
  color: #d5f09b;
}

address {
  margin: 0;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  font-style: normal;
  background: rgba(255, 255, 255, 0.08);
}

address p {
  margin-bottom: 14px;
}

address p:last-child {
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 22px clamp(20px, 7vw, 96px);
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  background: #05685f;
}

.icp-link {
  color: inherit;
}

.footer-beian {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.police-beian {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: inherit;
}

.police-beian img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.icp-link:hover,
.police-beian:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

  .site-nav {
    width: 100%;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 2px;
  }

  .hero,
  .section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
    padding-bottom: 54px;
  }

  .section {
    padding-top: 60px;
    padding-bottom: 60px;
  }

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

@media (max-width: 620px) {
  .brand span {
    white-space: normal;
  }

  .site-nav {
    font-size: 13px;
  }

  h1 {
    font-size: 32px;
  }

  .hero-text,
  .section-content p {
    font-size: 16px;
  }

  .hero-actions {
    gap: 10px;
  }

  .button {
    min-height: 42px;
    padding: 0 18px;
  }

  .business-grid,
  .capability-list {
    grid-template-columns: 1fr;
  }

  .business-grid article {
    min-height: 0;
  }

  .site-footer {
    flex-direction: column;
  }

  .footer-beian {
    justify-content: center;
  }
}