:root {
  --bg: #f6f4ef;
  --panel: #ffffff;
  --panel-soft: #f0ece2;
  --text: #17202a;
  --muted: #5d6772;
  --line: rgba(23, 32, 42, 0.1);
  --brand: #0f6b55;
  --brand-dark: #0b4c3d;
  --brand-light: #dff3ea;
  --accent: #cc8a3f;
  --shadow: 0 20px 60px rgba(15, 41, 32, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(204, 138, 63, 0.14), transparent 26%),
    radial-gradient(circle at left top, rgba(15, 107, 85, 0.12), transparent 24%),
    var(--bg);
  line-height: 1.7;
}

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

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

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

.narrow {
  max-width: 860px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(246, 244, 239, 0.84);
  border-bottom: 1px solid rgba(23, 32, 42, 0.06);
}

.inner-header {
  position: relative;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  gap: 24px;
}

.brand img {
  width: 156px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  transition: 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text);
  background: rgba(15, 107, 85, 0.08);
}

.main-nav .nav-cta {
  background: var(--brand);
  color: #fff;
}

.main-nav .nav-cta:hover,
.main-nav .nav-cta.active {
  background: var(--brand-dark);
  color: #fff;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero {
  padding: 82px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 36px;
  align-items: stretch;
}

.hero-copy h1,
.page-hero h1 {
  margin: 10px 0 18px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.03em;
}

.hero-text,
.page-hero p,
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.eyebrow {
  margin: 0;
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.7);
}

.hero-actions,
.center-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 12px 26px rgba(15, 107, 85, 0.24);
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-light {
  background: #fff;
  color: var(--text);
}

.btn-outline-light {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-points {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.hero-points li::before {
  content: "•";
  color: var(--accent);
  margin-right: 10px;
}

.hero-card,
.hero-panel,
.capability-card,
.showcase-card,
.info-card,
.contact-card,
.notice-card,
.prose-card,
.feature-block {
  background: var(--panel);
  border: 1px solid rgba(23, 32, 42, 0.06);
  box-shadow: var(--shadow);
}

.hero-panel {
  height: 100%;
  border-radius: 32px;
  padding: 28px;
  background:
    linear-gradient(155deg, rgba(15, 107, 85, 0.06), rgba(255, 255, 255, 0.9)),
    var(--panel);
}

.panel-label {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-metrics {
  display: grid;
  gap: 16px;
}

.hero-metrics article {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(15, 107, 85, 0.08);
}

.hero-metrics strong,
.capability-card h3,
.showcase-card h3,
.feature-block h2,
.info-card h2,
.contact-card h2,
.notice-card h2,
.prose-card h2 {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.52);
}

.section-dark {
  background: linear-gradient(135deg, #163f35, #0d2b23);
  color: #fff;
}

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

.section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.12;
}

.capability-grid,
.showcase-grid,
.info-grid,
.contact-grid {
  display: grid;
  gap: 18px;
}

.capability-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

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

.capability-card,
.showcase-card,
.info-card,
.contact-card,
.notice-card,
.prose-card {
  border-radius: var(--radius-lg);
  padding: 26px;
}

.capability-card p,
.showcase-card p,
.info-card p,
.contact-card p,
.notice-card p,
.prose-card p,
.prose-card li,
.feature-content p,
.feature-content li {
  margin: 0;
  color: var(--muted);
}

.showcase-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--brand-light);
  color: var(--brand);
  font-weight: 700;
}

.value-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 34px;
}

.value-list {
  margin: 0;
  padding-left: 22px;
  display: grid;
  gap: 14px;
}

.cta-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
}

.cta-banner h2 {
  margin: 10px 0 12px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
}

.cta-banner p {
  margin: 0;
  max-width: 740px;
  color: rgba(255, 255, 255, 0.8);
}

.site-footer {
  padding: 34px 0 24px;
  background: #fff;
  border-top: 1px solid rgba(23, 32, 42, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 26px;
  margin-bottom: 22px;
}

.footer-logo {
  width: 150px;
  margin-bottom: 14px;
}

.footer-grid p,
.footer-grid li {
  color: var(--muted);
  margin: 0;
}

.footer-grid h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.footer-grid ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(23, 32, 42, 0.08);
  color: var(--muted);
  font-size: 14px;
}

.inner-page {
  min-height: calc(100vh - 200px);
}

.page-hero {
  padding: 58px 0 22px;
}

.feature-stack {
  display: grid;
  gap: 20px;
}

.feature-block {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: 30px;
  border-radius: var(--radius-lg);
  padding: 28px;
}

.feature-content ul,
.prose-card ul {
  margin: 14px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
}

.info-card dl {
  margin: 0;
  display: grid;
  gap: 16px;
}

.info-card dt {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 4px;
}

.info-card dd {
  margin: 0;
  font-weight: 600;
}

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

.timeline article {
  padding: 24px;
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid rgba(23, 32, 42, 0.06);
}

.timeline strong {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
}

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

.prose-card {
  max-width: 900px;
}

.prose-card h2 {
  margin-top: 24px;
}

.prose-card h2:first-child {
  margin-top: 0;
}

.contact-card a {
  color: var(--brand);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .hero-grid,
  .value-grid,
  .cta-banner,
  .feature-block,
  .footer-grid,
  .capability-grid,
  .showcase-grid,
  .info-grid,
  .contact-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid,
  .value-grid,
  .cta-banner,
  .feature-block,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 78px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
  }

  .main-nav.always-open {
    display: flex;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  .main-nav.is-open {
    display: flex;
  }

  .hero,
  .section,
  .page-hero {
    padding-top: 52px;
  }

  .capability-grid,
  .showcase-grid,
  .info-grid,
  .contact-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

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