.site-home-return {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 1000;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border: 1px solid #20242b;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 5px 18px rgba(0, 0, 0, 0.15);
  color: #20242b;
  font: 800 13px/1 system-ui, sans-serif;
  text-decoration: none;
  backdrop-filter: blur(10px);
}

.site-home-return:hover {
  transform: translateY(-1px);
}

.site-home-return:focus-visible {
  outline: 3px solid #2d776b;
  outline-offset: 3px;
}

.site-nav-bar {
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 max(18px, env(safe-area-inset-right)) 0 max(18px, env(safe-area-inset-left));
  border-bottom: 1px solid rgba(242, 240, 233, 0.14);
  background: #17201e;
  color: #f2f0e9;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  position: relative;
  z-index: 900;
}

.site-nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #f2f0e9;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.site-nav-brand:hover {
  color: #ffffff;
}

.site-nav-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 9px;
  color: #17201e;
  background: #f2f0e9;
  font-size: 17px;
  font-weight: 850;
  letter-spacing: -0.08em;
}

.site-nav-mark span {
  color: #1f6d5f;
}

.site-nav-links {
  display: flex;
  gap: 22px;
  font-size: 13px;
  font-weight: 650;
}

.site-nav-links a {
  color: rgba(242, 240, 233, 0.78);
  text-decoration: none;
}

.site-nav-links a:hover {
  color: #ffffff;
}

.site-footer-shared {
  padding: 22px max(18px, env(safe-area-inset-right)) 24px max(18px, env(safe-area-inset-left));
  border-top: 1px solid rgba(242, 240, 233, 0.14);
  background: #17201e;
  color: rgba(242, 240, 233, 0.66);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.12em;
  line-height: 1.8;
}

.site-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.site-footer-note {
  margin: 0 0 10px;
  color: rgba(242, 240, 233, 0.5);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.7;
}

.site-footer-shared a {
  color: inherit;
  text-decoration: none;
}

.site-footer-shared a:hover {
  color: #ffffff;
}

@media (max-width: 540px) {
  .site-home-return {
    top: auto;
    right: max(12px, env(safe-area-inset-right));
    bottom: max(12px, env(safe-area-inset-bottom));
  }

  .site-nav-links {
    gap: 14px;
  }

  .site-footer-row span:nth-child(2) {
    display: none;
  }
}