/* ==========================================
   蔚蓝导航头部样式
   ========================================== */

.weilan_head {
  font-family: var(--font-family);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(32, 37, 56, 0.3);
  transition: all 0.3s ease;
  border-bottom: rgba(255, 255, 255, 0.1) 1px solid;
}

/* 滚动后的固定导航样式 */
.weilan_head.scrolled {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   导航栏容器
   ========================================== */

.weilan-navbar {
  transition: padding 0.3s ease;
}

.weilan_head.scrolled .weilan-navbar {
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
}

.weilan-navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

/* ==========================================
   Logo 样式
   ========================================== */

.weilan-logo-container {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.weilan-logo-link {
  display: flex;
  align-items: center;
  transition: opacity 0.3s ease;
}

.weilan-logo-link:hover {
  opacity: 0.85;
}

.weilan-logo-icon {
  display: flex;
  align-items: center;
}

.weilan-logo-icon .weilan-logo-vector {
  width: 60px;
  height: auto;
  max-height: 3.625rem;
  object-fit: contain;
}

/* ==========================================
   导航菜单 - 桌面端
   ========================================== */

.weilan-nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl); /* 25px */
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  justify-content: center;
}

.weilan-nav-item {
  position: relative;
  padding: var(--spacing-xl) 0;
  height: 100%;
}

.weilan-nav-item::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0px;
  height: 2px;
  width: 70%;
  background: linear-gradient(270deg, #54dbcc 0%, #0b62c1 100%);
  transform: translateX(-50%);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

.weilan-nav-link {
  color: var(--text-color-light) !important;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-base);
  font-family: var(--font-family);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.6875rem;
  transition: all 0.3s ease;
  white-space: nowrap;
  padding: var(--spacing-sm);
  text-transform: capitalize;
}

.weilan-nav-item:hover::after,
.weilan-nav-item.active::after {
  visibility: visible;
  opacity: 1;
}

/* 下拉箭头图标 */
.weilan-nav-link .iconfont {
  font-size: max(12px, 0.75rem);
  transition: transform 0.3s ease;
}

.weilan-nav-item.has-dropdown:hover .weilan-nav-link .iconfont {
  transform: rotate(180deg);
}

/* ==========================================
   下拉菜单
   ========================================== */

.weilan-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 1.25rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  box-shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.15);
  min-width: 16.5rem;
  list-style: none;
  padding: 0.625rem 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
}

.weilan-nav-item.has-dropdown:hover .weilan-dropdown-menu {
  opacity: 1;
  visibility: visible;
  margin-top: 0.625rem;
}

.weilan-dropdown-item {
  /* border-bottom: 1px solid rgba(0, 0, 0, 0.06); */
}

.weilan-dropdown-item:last-child {
  border-bottom: none;
}

.weilan-dropdown-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-2xl);
  color: var(--text-color);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-base);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  text-transform: capitalize;
}

.weilan-dropdown-link:hover {
  color: var(--color-primary);
  padding-left: var(--spacing-2xl);
  background: rgba(0, 35, 187, 0.05);
}

/* 第三层菜单样式 */
.weilan-dropdown-item.has-third-menu {
  position: relative;
}

.weilan-dropdown-item.has-third-menu a {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.weilan-dropdown-link .iconfont {
  font-size: max(10px, 0.625rem);
  margin-left: auto;
  transition: transform 0.3s ease;
}

.weilan-dropdown-item.has-third-menu:hover .weilan-dropdown-link .iconfont {
  transform: rotate(-90deg);
}

.weilan-dropdown-item.has-third-menu svg {
  transform: scale(0.8);
  transform-origin: center;
}

.weilan-third-menu {
  position: absolute;
  left: 100%;
  top: 0;
  margin-left: 0.25rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  box-shadow: 0 0.625rem 1.875rem rgba(0, 0, 0, 0.15);
  min-width: 16.5rem;
  list-style: none;
  padding: 0.625rem 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 101;
}

.weilan-dropdown-item.has-third-menu:hover .weilan-third-menu {
  opacity: 1;
  visibility: visible;
}

.weilan-third-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.weilan-third-item:last-child {
  border-bottom: none;
}

.weilan-third-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-2xl);
  color: var(--text-color);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-base);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  text-transform: capitalize;
}

.weilan-third-link:hover {
  color: var(--color-primary);
  padding-left: var(--spacing-2xl);
  background: rgba(0, 35, 187, 0.05);
}

/* Product 导航特殊遮罩层 */
.weilan-product-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.weilan-nav-item.is-product-nav:hover ~ .weilan-product-overlay {
  display: block;
  opacity: 1;
}

/* ==========================================
   右侧工具栏
   ========================================== */

.weilan-navbar-tools {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.weilan-language-selector,
.weilan-search-box {
  display: flex;
  align-items: center;
}

.weilan-search-box .em-header-quearys .em-quearys-menu i {
  color: var(--text-color-light);
}

/* 搜索 */
.em-quearys-inner {
  width: 100vw !important;
  height: 100vh !important;
}

/* 语言选择器样式调整 */
.weilan-language-selector .lang-selector .current-lang {
  color: var(--text-color-light);
}

.weilan-language-selector .lang-selector .current-lang em {
  color: var(--text-color-light) !important;
  font-size: var(--font-size-lg) !important;
  font-weight: var(--font-weight-base) !important;
}

.weilan-language-selector .iconfont {
  color: var(--text-color-light) !important;
}

/* ==========================================
   移动端菜单按钮
   ========================================== */

.weilan-mobile-header {
  display: none;
}

.weilan-mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 10;
}

.weilan-mobile-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text-color-light);
  transition: all 0.3s ease;
  transform-origin: center;
}

/* ==========================================
   移动端导航菜单
   ========================================== */

.weilan-mobile-nav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 80%;
  max-width: 25rem;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 9998;
  overflow-y: auto;
  transition: left 0.4s ease;
  padding-top: var(--header-height);
}

.weilan-mobile-nav-close {
  position: absolute;
  top: var(--spacing-4xl);
  right: var(--spacing-2xl);
  color: #fff;
  cursor: pointer;
}

.weilan-mobile-nav.active {
  left: 0;
}

.weilan-mobile-menu {
  list-style: none;
  margin: 0;
  padding: 1.25rem 0;
}

.weilan-mobile-menu-item {
  border-bottom: 1px solid rgba(51, 51, 51, 0.08);
}

.weilan-mobile-menu-link-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.weilan-mobile-menu-link {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-2xl);
  color: var(--text-color-light);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-base);
  text-decoration: none;
  display: block;
  transition: all 0.3s ease;
  text-transform: capitalize;
}

.weilan-mobile-menu-item.active .weilan-mobile-menu-link {
  color: var(--color-second) !important;
  font-weight: var(--font-weight-md);
}

.weilan-mobile-menu-link:hover {
  color: var(--color-second) !important;
  background: rgba(0, 35, 187, 0.05);
}

/* 移动端子菜单切换按钮 */
.weilan-submenu-toggle {
  width: 3.125rem;
  height: 3.125rem;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  transition: all 0.3s ease;
}

.weilan-submenu-toggle .iconfont {
  font-size: max(12px, 0.875rem);
  color: var(--text-color-light);
  transition: transform 0.3s ease;
}

.weilan-mobile-menu-item.submenu-open .weilan-submenu-toggle .iconfont {
  transform: rotate(180deg);
}

/* 移动端子菜单 */
.weilan-mobile-submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.weilan-mobile-menu-item.submenu-open .weilan-mobile-submenu {
  max-height: 31.25rem;
}

.weilan-mobile-submenu-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-2xl);
  color: var(--text-color-light);
  font-size: var(--font-size-md);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding-left: var(--spacing-4xl);
}

.weilan-mobile-submenu-link:hover {
  color: var(--color-second) !important;
}

/* 移动端第三层菜单样式 */
.weilan-mobile-submenu-link-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.weilan-mobile-submenu-link {
  flex: 1;
}

.weilan-third-submenu-toggle {
  width: 3.125rem;
  height: 3.125rem;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  transition: all 0.3s ease;
}

.weilan-third-submenu-toggle .iconfont {
  font-size: max(12px, 0.875rem);
  color: var(--text-color-light);
  transition: transform 0.3s ease;
}

.weilan-mobile-submenu
  > li.has-third-submenu.third-submenu-open
  .weilan-third-submenu-toggle
  .iconfont {
  transform: rotate(180deg);
}

.weilan-mobile-third-submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.weilan-mobile-submenu
  > li.has-third-submenu.third-submenu-open
  .weilan-mobile-third-submenu {
  max-height: 31.25rem;
}

.weilan-mobile-third-submenu-link {
  display: block;
  padding: var(--spacing-md) var(--spacing-2xl);
  color: var(--text-color-light);
  font-size: var(--font-size-md);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding-left: var(--spacing-5xl);
}

.weilan-mobile-third-submenu-link:hover {
  color: var(--color-second) !important;
}

/* 移动端遮罩层 */
/* .weilan-mobile-nav::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
} */

.weilan-mobile-nav.active::before {
  opacity: 1;
  pointer-events: all;
}

/* ==========================================
   响应式设计
   ========================================== */

/* 平板和以下 */
@media (max-width: 1024px) {
  .weilan-navbar {
    padding: var(--spacing-sm) 0;
  }

  .weilan-logo-container {
    flex: 1;
  }

  /* 隐藏桌面端导航菜单 */
  .weilan-nav-menu {
    display: none;
  }

  /* 显示移动端菜单按钮 */
  .weilan-mobile-header {
    display: flex;
    align-items: center;
    margin-left: var(--spacing-md);
  }

  .weilan-navbar-tools {
    gap: 0px;
  }
}

/* 手机端 */
@media (max-width: 768px) {
  .weilan-mobile-nav {
    width: 85%;
  }
}

/* 小屏手机 */
@media (max-width: 576px) {
  .weilan-mobile-nav {
    width: 90%;
  }
}

.lang-selector .current-lang img {
  width: 16px !important;
  height: 16px !important;
  object-fit: contain !important;
}