/* ====== CSS变量定义 ====== */
:root {
  /* 颜色系统 */
  --nav-bg: rgba(255, 255, 255, 0.7);
  --nav-bg-dark: rgba(75, 75, 75, 0.7);
  --menu-bg: rgba(255, 255, 255, 0.95);
  --menu-bg-dark: rgba(255, 255, 255, 0.98);
  --primary-color: #007bff;
  --text-color: #333;
  --text-color-light: #666;
  --border-color: rgba(255, 255, 255, 0.3);
  --border-color-light: rgba(0, 0, 0, 0.05);
  
  /* 尺寸系统 */
  --blur-intensity: blur(10px);
  --blur-intensity-strong: blur(20px);
  --border-radius: 8px;
  --border-radius-large: 12px;
  --touch-target-min: 44px;
  
  /* 动画时间 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ====== 联系TA按钮样式 ====== */
.desktop-contact-wrapper,
.mobile-contact-wrapper {
  margin: 0 !important;
  padding: 0 !important;
  display: inline-flex;
  align-items: center;
}

.desktop-contact-wrapper {
  display: inline-block;
  margin-left: 15px;
}

.contact-dropdown {
  position: relative;
  display: inline-block;
  z-index: 10000 !important;
}

.contact-btn {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: var(--blur-intensity);
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  color: var(--text-color) !important;
  padding: 8px 16px;
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: var(--touch-target-min);
  position: relative;
  z-index: 10001 !important;
}

.contact-btn:hover {
  background: rgba(255, 255, 255, 0.9) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.contact-btn:active {
  transform: translateY(0);
}

.contact-arrow {
  transition: transform var(--transition-normal);
  font-size: 12px;
}

.contact-dropdown.active .contact-arrow {
  transform: rotate(180deg);
}

/* 下拉菜单 */
.contact-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--menu-bg) !important;
  backdrop-filter: var(--blur-intensity-strong);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.95);
  transition: all var(--transition-normal);
  z-index: 9999 !important;
  overflow: hidden;
}

.contact-dropdown.active .contact-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.contact-menu-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--text-color) !important;
  text-decoration: none;
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--border-color-light);
  background: transparent !important;
  min-height: var(--touch-target-min);
}

.contact-menu-item:last-child {
  border-bottom: none;
}

.contact-menu-item:hover {
  background: rgba(0, 123, 255, 0.08) !important;
  transform: translateX(4px);
}

.contact-icon {
  width: 18px;
  height: 18px;
  margin-right: 12px;
  flex-shrink: 0;
}

.qq-icon {
  color: #12B7F5;
}

.wechat-icon {
  color: #07C160;
}

.contact-text {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
}

.contact-copy {
  font-size: 12px;
  color: var(--text-color-light);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.contact-menu-item:hover .contact-copy {
  opacity: 1;
}

/* 移动端联系按钮 */
.mobile-contact-wrapper {
  display: none;
}

.mobile-contact-btn {
  gap: 4px;
}

.mobile-contact-text {
  font-size: 12px;
  line-height: 1.2;
}

/* 移动端下拉菜单 */
.mobile-contact-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: var(--menu-bg) !important;
  backdrop-filter: var(--blur-intensity-strong);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-large);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.95);
  transition: all var(--transition-normal);
  z-index: 9999 !important;
  overflow: hidden;
}

.contact-dropdown.active .mobile-contact-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* ====== 导航栏样式 ====== */
/* 顶部导航栏 */
#page-container.page-header-dark #page-header {
  background: var(--nav-bg-dark) !important;
  backdrop-filter: var(--blur-intensity-strong) !important;
  -webkit-backdrop-filter: var(--blur-intensity-strong) !important;
  border-bottom: 1px solid var(--border-color) !important;
  transition: all var(--transition-slow) !important;
}

/* 主导航白色毛玻璃效果 */
.desktop-main-nav {
  background: var(--nav-bg) !important;
  backdrop-filter: var(--blur-intensity);
  -webkit-backdrop-filter: var(--blur-intensity);
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

.desktop-nav-item {
  margin: 0 20px;
}

.desktop-nav-link {
  color: var(--text-color) !important;
  text-decoration: none;
  padding: 15px 20px;
  font-weight: 500;
  font-size: 16px;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: var(--border-radius);
  min-height: var(--touch-target-min);
}

.desktop-nav-link:hover,
.desktop-nav-link.active {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color) !important;
}

/* 商品分类下拉菜单 */
.nav-main-submenu {
  background: var(--nav-bg) !important;
  backdrop-filter: var(--blur-intensity);
  -webkit-backdrop-filter: var(--blur-intensity);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  min-width: 250px !important;
  width: auto !important;
  z-index: 200 !important;
}

.nav-main-submenu .nav-main-link {
  color: var(--text-color) !important;
  border-bottom: 1px solid var(--border-color-light);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  width: 100%;
  text-align: left;
  white-space: nowrap;
  background: transparent !important;
  transition: all var(--transition-normal);
  min-height: var(--touch-target-min);
}

.nav-main-submenu .nav-main-link:hover {
  background: rgba(0, 123, 255, 0.1) !important;
  color: var(--primary-color) !important;
}

/* 移动端导航样式 */
.mobile-main-nav {
  background: var(--nav-bg) !important;
  backdrop-filter: var(--blur-intensity);
  -webkit-backdrop-filter: var(--blur-intensity);
}

.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 12px 0;
  margin: 0;
  list-style: none;
  width: 100%;
}

.mobile-nav-item {
  flex: 1;
  text-align: center;
}

.mobile-nav-link {
  color: var(--text-color) !important;
  text-decoration: none;
  padding: 10px 5px;
  font-weight: 500;
  font-size: 14px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  min-height: var(--touch-target-min);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-color) !important;
}

.mobile-nav-icon {
  font-size: 20px;
  margin-bottom: 4px;
}

.mobile-nav-text {
  font-size: 12px;
  line-height: 1.2;
}

/* 移动端商品分类独立导航 */
.mobile-category-nav {
  background: var(--nav-bg) !important;
  backdrop-filter: var(--blur-intensity);
  -webkit-backdrop-filter: var(--blur-intensity);
  padding: 0;
  z-index: 100 !important;
}

.mobile-category-link {
  color: var(--text-color) !important;
  text-decoration: none;
  padding: 15px 20px;
  font-weight: 500;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  transition: all var(--transition-normal);
  background: transparent !important;
  min-height: var(--touch-target-min);
}

.mobile-category-link:hover {
  color: var(--primary-color) !important;
}

.mobile-category-link .fa-angle-down {
  transition: transform var(--transition-normal);
  margin-left: 8px;
}

.mobile-category-link.active .fa-angle-down {
  transform: rotate(180deg);
}

/* 移动端商品分类下拉菜单 */
.mobile-category-dropdown {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-slow);
    opacity: 0;
    transform: translateY(-10px);
    z-index: 200 !important;
}

.mobile-category-dropdown.show {
  max-height: 500px;
  opacity: 1;
  transform: translateY(0);
}

/* 商品分类项动画 */
.mobile-category-item {
  border-bottom: 1px solid var(--border-color-light);
  opacity: 0;
  transform: translateX(-20px);
  transition: all var(--transition-normal);
}

.mobile-category-dropdown.show .mobile-category-item {
  opacity: 1;
  transform: translateX(0);
}

/* 为每个分类项添加延迟动画 */
.mobile-category-dropdown.show .mobile-category-item:nth-child(1) { transition-delay: 0.05s; }
.mobile-category-dropdown.show .mobile-category-item:nth-child(2) { transition-delay: 0.1s; }
.mobile-category-dropdown.show .mobile-category-item:nth-child(3) { transition-delay: 0.15s; }
.mobile-category-dropdown.show .mobile-category-item:nth-child(4) { transition-delay: 0.2s; }
.mobile-category-dropdown.show .mobile-category-item:nth-child(5) { transition-delay: 0.25s; }
.mobile-category-dropdown.show .mobile-category-item:nth-child(6) { transition-delay: 0.3s; }

/* 分类链接悬停效果 */
.mobile-category-submenu {
  display: flex;
  align-items: center; /* 垂直居中 */
  justify-content: center; /* 水平居中 */
  padding: 14px 20px;
  color: var(--text-color) !important;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  width: 100%;
  transition: all var(--transition-normal);
  background: transparent !important;
  position: relative;
  overflow: hidden;
  min-height: var(--touch-target-min);
  text-align: center;
}

/* 确保图标正确对齐 */
.mobile-category-submenu .category-icon {
  width: 16px;
  height: 16px;
  margin-right: 8px; /* 图标和文字间距 */
  flex-shrink: 0;
  object-fit: contain;
}

.mobile-category-submenu::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 3px;
  background: linear-gradient(135deg, var(--primary-color), #0056b3);
  transform: scaleY(0);
  transition: transform var(--transition-normal);
}

.mobile-category-submenu:hover {
  background: rgba(0, 123, 255, 0.08) !important;
  color: var(--primary-color) !important;
  transform: translateX(8px);
}

.mobile-category-submenu:hover::before {
  transform: scaleY(1);
}

.mobile-category-submenu:hover .category-icon,
.mobile-category-submenu:hover .mcy-icon {
  transform: scale(1.1);
}

/* 分类图标动画 */
.category-icon,
.mobile-category-submenu .mcy-icon {
  transition: all var(--transition-normal);
  margin-right: 12px;
}

/* 自定义分类图标样式 */
.category-icon {
  width: 16px;
  height: 16px;
  margin-right: 10px;
  object-fit: contain;
}

/* 确保 SVG 图标和图片图标对齐 */
.mobile-category-submenu .mcy-icon,
.mobile-category-submenu .category-icon {
  vertical-align: middle;
}

/* ====== 语言选择器样式 ====== */
.view-languages-wrapper .language-select-theme .select2-selection__arrow b {
  border-top-color: var(--text-color) !important;
  border-bottom-color: var(--text-color) !important;
}

.view-languages-wrapper .language-select-theme .select2-selection {
  background: var(--nav-bg) !important;
  border: 1px solid rgba(0, 0, 0, 0.1) !important;
}

.view-languages-wrapper .language-select-theme .select2-dropdown {
  background: var(--menu-bg) !important;
  backdrop-filter: var(--blur-intensity);
  -webkit-backdrop-filter: var(--blur-intensity);
  border: 1px solid var(--border-color) !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.view-languages-wrapper .language-select-theme .select2-results__option {
  color: var(--text-color) !important;
  background: transparent !important;
  padding: 8px 12px;
}

.view-languages-wrapper .language-select-theme .select2-results__option--highlighted {
  background: rgba(0, 123, 255, 0.15) !important;
  color: var(--primary-color) !important;
}

/* 语言选择器文字颜色 */
.language-select-theme .select2-selection__rendered,
.language-select-theme .table-item-name,
.language-select-theme .select2-selection--single {
  color: var(--text-color) !important;
}

/* ====== 按钮样式优化 ====== */
.page-header-dark #page-header .btn-alt-secondary {
  --bs-btn-bg: rgba(75, 75, 75, 0.15) !important;
  --bs-btn-border-color: rgba(255, 255, 255, 0.15) !important;
  --bs-btn-hover-bg: rgba(95, 95, 95, 0.8) !important;
  --bs-btn-hover-border-color: rgba(255, 255, 255, 0.4) !important;
  --bs-btn-active-bg: rgba(85, 85, 85, 0.75) !important;
  --bs-btn-active-border-color: rgba(255, 255, 255, 0.35) !important;
}

/* 用户菜单文字居中 */
.btn-sm.btn-alt-secondary {
  justify-content: center;
}

/* ====== 覆盖层样式 ====== */
.contact-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: transparent !important;
  z-index: 9998;
  display: none;
  pointer-events: none !important;
}

/* ====== 响应式设计 ====== */
@media (max-width: 991px) {
  .desktop-contact-wrapper {
    display: none !important;
  }
  
  .mobile-contact-wrapper {
    display: block !important;
    position: relative;
  }
  
  .desktop-main-nav {
    display: none !important;
  }
  
  .mobile-main-nav {
    display: block !important;
  }
  
  /* 隐藏原主导航 */
  .bg-nav-primary-darker {
    display: none !important;
  }
  
  /* 隐藏汉堡菜单 */
  .d-lg-none .btn[data-toggle="class-toggle"] {
    display: none !important;
  }
  
  /* 移动端触摸优化 */
  .mobile-nav-link,
  .mobile-category-submenu {
    min-height: var(--touch-target-min);
    padding: 12px 16px;
  }
  
  /* 防止移动端缩放 */
  input, select, textarea {
    font-size: 16px;
  }
}

@media (min-width: 992px) {
  .desktop-contact-wrapper {
    display: inline-block !important;
  }
  
  .mobile-contact-wrapper {
    display: none !important;
  }
  
  .desktop-main-nav {
    display: block !important;
  }
  
  .mobile-main-nav {
    display: none !important;
  }
  
  /* 隐藏原主导航 */
  .bg-nav-primary-darker {
    display: none !important;
  }
}

/* ====== 屏幕阅读器专用样式 ====== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ====== 修复联系TA菜单层级问题 ====== */
.mobile-contact-wrapper {
  position: relative;
  z-index: 10050 !important;
}

.contact-dropdown {
  z-index: 10060 !important;
}

.mobile-contact-menu {
  z-index: 10070 !important;
}

.contact-btn {
  z-index: 10080 !important;
}

/* 确保其他导航不会遮挡 */
.desktop-main-nav,
.mobile-main-nav,
.mobile-category-nav {
  z-index: 100 !important;
}

.nav-main-submenu,
.mobile-category-dropdown {
  z-index: 200 !important;
}

#page-header {
  z-index: 500 !important;
}