:root {
  --site-nav-offset: 96px;
  --site-nav-bottom-offset: 56px;
}

/* 微信内置浏览器：Tailwind CDN 加载失败时的基础样式兜底 */
html,
body {
  background-color: #1E1006;
  color: #FEF9EF;
  -webkit-text-size-adjust: 100%;
}

main {
  display: block;
  min-height: 50vh;
}

.mobile-page-subnav {
  top: var(--site-nav-offset, 96px);
}

#toast,
.toast-nav-offset {
  top: calc(var(--site-nav-offset, 96px) + 12px) !important;
}

#site-nav-root {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  padding-top: env(safe-area-inset-top, 0);
}

.site-nav-bar {
  background: rgba(30, 16, 6, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(81, 69, 56, 0.35);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

.site-nav-bar.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  background: rgba(30, 16, 6, 0.96);
}

.site-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* 手机 / 平板：双行导航（Logo+电话 / 模式切换） */
@media (max-width: 767px) {
  .site-nav-inner {
    flex-wrap: wrap;
    height: auto;
    min-height: 56px;
    padding: 8px 12px 10px;
    gap: 8px;
    align-content: center;
  }

  .site-nav-logo {
    font-size: 15px;
    gap: 4px;
  }

  .site-nav-logo .material-symbols-outlined {
    font-size: 20px;
  }

  .site-nav-switch {
    order: 3;
    flex: 1 1 100%;
    width: 100%;
  }

  .site-nav-switch a {
    flex: 1;
    text-align: center;
    padding: 8px 6px;
    font-size: 12px;
  }

  .site-nav-actions {
    margin-left: auto;
  }

  .site-nav-call-btn {
    width: 36px;
    height: 36px;
  }

  body.has-site-nav {
    padding-top: calc(96px + env(safe-area-inset-top, 0));
  }

  body.has-site-nav-bottom {
    padding-bottom: calc(56px + env(safe-area-inset-bottom, 0));
  }

  .site-nav-tabs {
    height: 56px;
  }
}

@media (min-width: 768px) {
  .site-nav-inner {
    padding: 0 40px;
    height: 72px;
  }
}

.site-nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 18px;
  color: #C88A3D;
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
  transition: opacity 0.2s;
}

.site-nav-logo:hover { opacity: 0.85; }

.site-nav-logo .material-symbols-outlined {
  font-size: 24px;
  font-variation-settings: 'FILL' 1;
}

.site-nav-switch {
  display: flex;
  background: rgba(44, 28, 17, 0.8);
  border: 1px solid rgba(81, 69, 56, 0.5);
  border-radius: 9999px;
  padding: 3px;
  flex-shrink: 0;
}

.site-nav-switch a {
  padding: 6px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #d6c3b3;
  text-decoration: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .site-nav-switch a {
    padding: 7px 18px;
    font-size: 13px;
  }
}

.site-nav-switch a.active {
  background: #C88A3D;
  color: #2C1A10;
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.35);
}

.site-nav-switch a:not(.active):hover {
  color: #feb967;
}

.site-nav-links {
  display: none;
  align-items: center;
  gap: 4px;
}

@media (min-width: 1024px) {
  .site-nav-links {
    display: flex;
  }
}

.site-nav-links a {
  padding: 8px 14px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 500;
  color: #d6c3b3;
  text-decoration: none;
  transition: all 0.2s;
}

.site-nav-links a:hover {
  color: #feb967;
  background: rgba(200, 138, 61, 0.1);
}

.site-nav-links a.active {
  color: #C88A3D;
  background: rgba(200, 138, 61, 0.15);
  font-weight: 600;
}

.site-nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.site-nav-phone {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #d6c3b3;
  text-decoration: none;
  transition: color 0.2s;
}

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

.site-nav-phone:hover { color: #C88A3D; }

.site-nav-call-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 9999px;
  background: rgba(74, 107, 58, 0.2);
  color: #C88A3D;
  text-decoration: none;
  transition: transform 0.15s, background 0.2s;
}

.site-nav-call-btn:hover {
  background: rgba(74, 107, 58, 0.35);
}

.site-nav-call-btn:active { transform: scale(0.92); }

.site-nav-call-btn .material-symbols-outlined {
  font-size: 22px;
  font-variation-settings: 'FILL' 1;
}

/* Mobile bottom tab bar */
#site-nav-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 60;
  background: rgba(30, 16, 6, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(81, 69, 56, 0.4);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

@media (min-width: 768px) {
  #site-nav-bottom { display: none; }
}

.site-nav-tabs {
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  max-width: 1280px;
  margin: 0 auto;
  height: 60px;
}

.site-nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-decoration: none;
  color: #9e8e7f;
  font-size: 10px;
  font-weight: 500;
  transition: color 0.2s;
  padding: 4px 0;
  min-width: 0;
}

.site-nav-tab .material-symbols-outlined {
  font-size: 22px;
}

.site-nav-tab.active {
  color: #C88A3D;
}

.site-nav-tab.active .material-symbols-outlined {
  font-variation-settings: 'FILL' 1;
}

.site-nav-tab:not(.active):active {
  color: #feb967;
}

body.has-site-nav {
  padding-top: calc(64px + env(safe-area-inset-top, 0));
}

@media (min-width: 768px) {
  body.has-site-nav { padding-top: 72px; }
}

body.has-site-nav-bottom {
  padding-bottom: calc(60px + env(safe-area-inset-bottom, 0));
}

body.has-site-nav-bottom #chat-fab,
body.has-site-nav-bottom .fixed.bottom-8.right-8 {
  bottom: calc(var(--site-nav-bottom-offset, 56px) + 12px + env(safe-area-inset-bottom, 0)) !important;
}

@media (min-width: 768px) {
  body.has-site-nav-bottom #chat-fab,
  body.has-site-nav-bottom .fixed.bottom-8.right-8 {
    bottom: 2rem !important;
  }
}

body.has-site-nav main[class*="mt-"] {
  margin-top: 0 !important;
}

body.has-site-nav main[class*="pt-"] {
  padding-top: 1.5rem !important;
}

body.has-site-nav.pt-\[88px\],
body.has-site-nav.pt-\[100px\] {
  padding-top: 64px !important;
}

@media (min-width: 768px) {
  body.has-site-nav.pt-\[88px\],
  body.has-site-nav.pt-\[100px\] {
    padding-top: 72px !important;
  }
}