:root {
  --green-950: #062d26;
  --green-900: #0b3f34;
  --green-700: #176b4b;
  --green-600: #258359;
  --green-100: #e8f3eb;
  --gold-500: #d9ad67;
  --gold-100: #fbf2e2;
  --ink: #101815;
  --muted: #61716a;
  --line: #e3e9e5;
  --paper: #f8faf7;
  --white: #fff;
  --shadow: 0 16px 44px rgba(7, 40, 33, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(217, 173, 103, .72);
  outline-offset: 3px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 28px;
  width: 100%;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(8, 54, 43, .08);
  backdrop-filter: blur(16px);
  transition: min-height .2s ease, background .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled {
  min-height: 62px;
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 12px 30px rgba(7, 40, 33, .08);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 176px;
  min-height: 44px;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--white);
  background: var(--green-700);
  border-radius: 8px;
  font-weight: 800;
}
.brand strong { display: block; font-size: 20px; letter-spacing: 0; }
.brand small { display: block; font-size: 10px; color: var(--muted); line-height: 1; }
.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2vw, 34px);
  flex: 1;
  font-size: 15px;
}
.site-nav a {
  position: relative;
  min-width: 44px;
  padding: 25px 0 21px;
  color: #24342f;
  text-align: center;
}
.site-nav a.active {
  color: var(--green-700);
  font-weight: 800;
}
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 16px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--green-700);
  transform: scaleX(0);
  transition: transform .2s ease;
}
.site-nav a:hover::after,
.site-nav a.active::after { transform: scaleX(1); }
.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  white-space: nowrap;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.header-cta,
.btn.primary {
  color: var(--white);
  background: var(--green-700);
  box-shadow: 0 12px 28px rgba(23, 107, 75, .22);
}
.btn.ghost {
  color: var(--green-900);
  background: rgba(255, 255, 255, .78);
  border-color: rgba(23, 107, 75, .26);
}
.btn.outline {
  color: var(--green-900);
  border-color: rgba(23, 107, 75, .28);
  background: var(--white);
}
.btn.gold {
  color: #422d12;
  background: var(--gold-500);
}
.btn.light {
  color: var(--green-950);
  background: var(--white);
}
.btn:hover,
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.nav-toggle { display: none; }
.section {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 76px 0;
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--green-700);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.18;
  letter-spacing: 0;
}
h3 { line-height: 1.3; letter-spacing: 0; }
p { color: var(--muted); }
.section-head {
  max-width: 720px;
  margin-bottom: 28px;
}
.section-head.row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}
.light h2,
.light .eyebrow { color: var(--white); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green-700);
  font-weight: 800;
}
.text-link::after { content: "→"; }
.center-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.site-footer {
  padding: 42px clamp(20px, 5vw, 72px) 24px;
  color: rgba(255, 255, 255, .78);
  background:
    linear-gradient(135deg, rgba(6, 45, 38, .98), rgba(12, 22, 19, 1) 64%),
    #101514;
}
.footer-shell {
  display: grid;
  grid-template-columns: minmax(240px, 1.15fr) repeat(2, minmax(140px, .62fr)) minmax(300px, 1.2fr);
  gap: clamp(26px, 4vw, 54px);
  width: min(1180px, 100%);
  margin: 0 auto;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-brand .brand {
  min-width: 0;
  margin-bottom: 16px;
  color: var(--white);
}
.footer-brand .brand small { color: rgba(255, 255, 255, .58); }
.footer-brand p,
.footer-contact p,
.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, .62);
}
.footer-mail {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 14px;
  color: var(--gold-500);
  font-weight: 800;
}
.footer-links strong,
.footer-contact strong {
  display: block;
  margin-bottom: 14px;
  color: var(--white);
  font-size: 16px;
}
.footer-links a {
  display: flex;
  align-items: center;
  min-height: 44px;
  width: fit-content;
  color: rgba(255, 255, 255, .68);
  transition: color .18s ease, transform .18s ease;
}
.footer-links a:hover {
  color: var(--white);
  transform: translateX(3px);
}
.footer-contact address {
  margin: 0 0 14px;
  color: rgba(255, 255, 255, .68);
  font-style: normal;
}
.footer-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(112px, 1fr));
  gap: 12px;
}
.footer-qr-item {
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 8px;
  background: rgba(255, 255, 255, .06);
}
.footer-qr-item img {
  width: 100%;
  aspect-ratio: 1;
  padding: 8px;
  object-fit: contain;
  background: var(--white);
  border-radius: 6px;
}
.footer-qr-item span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, .82);
  font-size: 13px;
  font-weight: 900;
  text-align: center;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding-top: 18px;
  font-size: 13px;
}
.footer-bottom nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.footer-bottom a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: rgba(255, 255, 255, .58);
}
.footer-bottom a:hover { color: var(--white); }
.copyright { margin: 0; }
.quick-rail {
  position: fixed;
  right: 22px;
  bottom: 92px;
  z-index: 20;
  display: grid;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.quick-rail a {
  padding: 12px 14px;
  color: var(--green-700);
  font-size: 13px;
  border-bottom: 1px solid var(--line);
}
.quick-rail a:first-child { color: var(--white); background: var(--green-700); }
.quick-rail a:last-child { border-bottom: 0; }
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 980px) {
  .site-header { gap: 12px; min-height: 64px; padding: 0 14px; }
  .brand { min-width: 0; flex: 1 1 auto; }
  .brand strong { font-size: 18px; }
  .nav-toggle {
    position: fixed;
    top: 11px;
    right: 14px;
    display: inline-flex;
    flex: 0 0 auto;
    margin-left: 0;
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: 8px;
  }
  .site-nav {
    position: fixed;
    top: 64px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 10px 18px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; }
  .site-nav a::after { display: none; }
  .header-cta { display: none; }
  .footer-shell { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; }
  .footer-bottom nav { justify-content: flex-start; }
  .quick-rail { display: none; }
}
@media (max-width: 640px) {
  .site-footer { padding-top: 34px; }
  .footer-shell { grid-template-columns: 1fr; gap: 24px; }
  .footer-qr-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}