:root {
  --primary: #2d6a4f;
  --primary-dark: #1f7a4d;
  --primary-soft: #e7f3ed;
  --text: #16231d;
  --muted: #5e6f67;
  --border: #dde8e2;
  --background: #f7f9fb;
  --card: #ffffff;
  --shadow: 0 20px 50px rgba(26, 48, 38, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
}

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

.container {
  width: min(100% - 40px, 1080px);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 249, 251, 0.92);
  border-bottom: 1px solid rgba(221, 232, 226, 0.9);
  backdrop-filter: blur(14px);
}

.nav-bar {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--primary);
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
}

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

.site-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  color: var(--muted);
  border-radius: 999px;
  font-size: 15px;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--primary);
  background: var(--primary-soft);
}

.hero {
  padding: 80px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.65fr);
  gap: 32px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  color: var(--text);
  font-size: clamp(42px, 7vw, 68px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin: 16px 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.subtitle {
  margin: 18px 0 0;
  color: var(--primary-dark);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.35;
}

.hero-text {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.button.primary {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 12px 24px rgba(45, 106, 79, 0.22);
}

.button.secondary {
  color: var(--primary);
  background: #fff;
  border-color: var(--border);
}

.overview-card,
.feature-card,
.content-card,
.policy-card,
.service-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.overview-card {
  padding: 28px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  background: var(--primary);
  border-radius: 999px;
}

.summary-list {
  display: grid;
  gap: 18px;
  margin: 24px 0 0;
}

.summary-list div {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.summary-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.summary-list dt {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 14px;
}

.summary-list dd {
  margin: 0;
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
}

.section {
  padding: 48px 0;
}

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

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

.feature-card {
  min-height: 250px;
  padding: 24px;
}

.feature-number {
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
}

.feature-card p,
.content-card p,
.policy-card p {
  margin: 0;
  color: var(--muted);
}

.muted-section {
  background: #eef5f1;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 32px;
  align-items: start;
}

.content-card {
  padding: 28px;
}

.service-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px;
}

.policy-main {
  padding: 64px 0;
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.34fr) minmax(0, 0.66fr);
  gap: 32px;
  align-items: start;
}

.policy-title {
  position: sticky;
  top: 104px;
}

.policy-title h1 {
  font-size: clamp(38px, 6vw, 56px);
}

.policy-title p:last-child {
  margin: 16px 0 0;
  color: var(--muted);
}

.policy-card {
  padding: 34px;
}

.policy-card section + section {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

.policy-card h2 {
  margin-bottom: 10px;
  font-size: 22px;
}

.policy-card a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-inner a:hover {
  color: var(--primary);
}

@media (max-width: 900px) {
  .hero-grid,
  .two-column,
  .policy-layout {
    grid-template-columns: 1fr;
  }

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

  .policy-title {
    position: static;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1080px);
  }

  .nav-bar,
  .footer-inner,
  .service-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-bar {
    padding: 16px 0;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .site-nav a {
    padding: 0 12px;
    font-size: 14px;
  }

  .hero {
    padding: 54px 0 36px;
  }

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

  .feature-card {
    min-height: auto;
  }

  .overview-card,
  .feature-card,
  .content-card,
  .policy-card,
  .service-panel {
    border-radius: 16px;
  }

  .policy-main {
    padding: 42px 0;
  }

  .policy-card {
    padding: 24px;
  }

  .button {
    width: 100%;
  }
}