:root {
  --forest: #163528;
  --forest-deep: #0f241c;
  --leaf: #2f6b4f;
  --gold: #c4a574;
  --gold-soft: #dcc7a4;
  --cream: #f4efe6;
  --paper: #fbf8f2;
  --ink: #1c1917;
  --muted: #5c574f;
  --line: rgba(196, 165, 116, 0.35);
  --shadow: 0 18px 40px rgba(15, 36, 28, 0.12);
  --serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background: var(--paper);
  line-height: 1.75;
}

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

a {
  color: var(--leaf);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--forest);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.5rem 0.9rem;
  background: var(--gold);
  color: var(--forest-deep);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(1120px, calc(100% - 2.4rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 36, 28, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(196, 165, 116, 0.22);
}

.header-inner {
  width: min(1120px, calc(100% - 2.4rem));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--cream);
  text-decoration: none;
}

.brand:hover {
  color: var(--gold-soft);
}

.brand-seal {
  width: 42px;
  height: 42px;
  border: 1px solid var(--gold);
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--gold-soft);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--serif);
  font-size: 1.12rem;
  letter-spacing: 0.12em;
}

.brand-sub {
  font-size: 0.72rem;
  color: rgba(244, 239, 230, 0.72);
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  gap: 1.4rem;
}

.site-nav a {
  color: rgba(244, 239, 230, 0.86);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(196, 165, 116, 0.4);
  background: transparent;
  border-radius: 6px;
  padding: 10px 9px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--gold-soft);
  margin: 6px 0;
}

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(196, 165, 116, 0.16), transparent 28%),
    linear-gradient(180deg, var(--forest-deep) 0%, #1c4634 58%, #234e3a 100%);
  color: var(--cream);
  text-align: center;
}

.hero-mountains {
  position: absolute;
  inset: auto 0 0;
  pointer-events: none;
  opacity: 0.88;
}

.mtn {
  fill: #10281e;
}

.mtn-far {
  fill: #1a3d2d;
}

.mtn-mid {
  fill: #143226;
}

.mtn-near {
  fill: #0e241b;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(860px, calc(100% - 2.4rem));
  padding: 7rem 0 8rem;
}

.hero-kicker {
  margin: 0 0 1rem;
  letter-spacing: 0.28em;
  font-size: 0.82rem;
  color: var(--gold-soft);
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.35;
}

.hero-lead {
  margin: 1.2rem auto 0;
  max-width: 34em;
  color: rgba(244, 239, 230, 0.84);
  font-size: 1.05rem;
}

.hero-actions {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  padding: 0.72rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn-gold {
  background: var(--gold);
  color: var(--forest-deep);
}

.btn-gold:hover {
  background: var(--gold-soft);
  color: var(--forest-deep);
}

.btn-ghost {
  border: 1px solid rgba(220, 199, 164, 0.55);
  color: var(--cream);
}

.btn-ghost:hover {
  color: var(--gold-soft);
}

.section {
  padding: 5.2rem 0;
  scroll-margin-top: 88px;
}

.section-head {
  margin-bottom: 2.4rem;
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--gold);
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.section h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: 0.16em;
  font-weight: 600;
}

.section-desc {
  margin: 0.9rem 0 0;
  max-width: 42em;
  color: var(--muted);
}

.about {
  background: var(--cream);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.4rem;
  align-items: start;
}

.about-copy p {
  margin: 0 0 1rem;
  font-size: 1.05rem;
}

.fact-list {
  margin: 0;
  padding: 1.4rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.fact-list > div + div {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.fact-list dt {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.fact-list dd {
  margin: 0.25rem 0 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.card {
  padding: 1.4rem 1.3rem 1.5rem;
  background: #fff;
  border: 1px solid rgba(22, 53, 40, 0.08);
  box-shadow: var(--shadow);
}

.card-icon {
  width: 42px;
  height: 42px;
  color: var(--leaf);
  margin-bottom: 0.8rem;
}

.card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--serif);
  font-size: 1.18rem;
  letter-spacing: 0.08em;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.card-note {
  background: var(--forest);
  color: var(--cream);
}

.card-note .card-icon,
.card-note p {
  color: var(--gold-soft);
}

.card-note h3 {
  color: var(--cream);
}

.info {
  background:
    linear-gradient(180deg, rgba(22, 53, 40, 0.04), transparent 18%),
    var(--paper);
}

.info-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  padding: 1rem 1.2rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(22, 53, 40, 0.08);
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: 0;
}

.info-table th {
  width: 8.5rem;
  color: var(--muted);
  font-weight: 500;
  background: rgba(244, 239, 230, 0.7);
}

.sep {
  margin: 0 0.45rem;
  color: var(--muted);
}

.contact {
  background: var(--cream);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.contact-card {
  padding: 1.5rem 1.4rem;
  background: #fff;
  border-top: 3px solid var(--gold);
  box-shadow: var(--shadow);
}

.contact-card h3 {
  margin: 0 0 0.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  font-weight: 500;
}

.contact-card p {
  margin: 0;
  font-size: 1.02rem;
}

.site-footer {
  background: var(--forest-deep);
  color: rgba(244, 239, 230, 0.82);
  padding: 2.4rem 0 1.8rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.footer-brand {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
}

.footer-name {
  margin: 0;
  font-family: var(--serif);
  letter-spacing: 0.1em;
  color: var(--cream);
}

.footer-copy,
.footer-beian {
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
  color: rgba(244, 239, 230, 0.7);
}

.footer-beian {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0;
}

.site-footer a {
  color: var(--gold-soft);
}

@media (max-width: 900px) {
  .about-grid,
  .card-grid,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    padding: 0.8rem 1.2rem 1.2rem;
    background: var(--forest-deep);
    flex-direction: column;
    gap: 0.85rem;
  }

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

  .about-grid,
  .card-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding: 6rem 0 7rem;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }

  .info-table th {
    padding-bottom: 0.2rem;
  }

  .info-table td {
    padding-top: 0.25rem;
  }
}