/**
 * 顶栏：品牌、主导航、订阅下拉、移动端菜单
 */
#site-header-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.site-brand-title {
  font-family: var(--site-font-brand, 'Ma Shan Zheng', 'STKaiti', 'KaiTi', serif);
  color: var(--site-primary, #16a34a);
  position: relative;
  top: 2px;
  letter-spacing: 0.12em;
  margin: 0;
  font-weight: 400;
  font-synthesis: none;
}

.dark .site-brand-title {
  color: var(--site-primary, #16a34a);
}

/* 顶栏左侧叶子图标随节气主色变绿 */
#site-logo-icon {
  color: var(--site-primary, #16a34a);
  filter: drop-shadow(0 6px 10px rgba(22, 163, 74, 0.22));
}

.site-nav-desktop {
  display: none;
  align-items: center;
  gap: 0.35rem;
}

@media (min-width: 768px) {
  .site-nav-desktop {
    display: flex;
  }
}

.site-nav-link {
  padding: 0.35rem 0.5rem;
  border-radius: 0.5rem;
  color: rgb(71 85 105);
  text-decoration: none;
}

.dark .site-nav-link {
  color: rgb(203 213 225);
}

.site-nav-link:hover {
  color: var(--site-primary, #16a34a);
  background: rgba(22, 93, 255, 0.06);
}

.site-nav-actions {
  display: flex;
  align-items: center;
}

.site-subscribe-wrap .site-subscribe-dropdown {
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.12);
}

.transition-custom {
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.text-primary {
  color: var(--site-primary, #16a34a) !important;
}

.bg-primary {
  background-color: var(--site-primary, #16a34a) !important;
}

.hover\:bg-primary\/90:hover {
  opacity: 0.9;
}

.border-primary\/30 {
  border-color: color-mix(in srgb, var(--site-primary, #16a34a) 30%, transparent);
}

/* 顶栏玻璃质感与可读性 */
header.sticky {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  /* 刘海屏：在 Tailwind py-* 基础上为顶部留出安全区 */
  padding-top: max(0.75rem, calc(0.5rem + env(safe-area-inset-top, 0px)));
}

.site-nav-link[aria-current='page'] {
  color: var(--site-primary, #16a34a);
  font-weight: 600;
}

/* 移动端：足够大的点击区域，减少误触与 300ms 延迟 */
#mobile-menu-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  touch-action: manipulation;
}

/* 移动端菜单展开 */
#mobile-menu:not(.hidden) {
  animation: site-nav-slide 0.2s ease-out;
}

@keyframes site-nav-slide {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 主导航旁：谚语 / 习俗 / 猜节气 / AR */
.site-nav-extra a {
  white-space: nowrap;
}