/* 导航栏基础样式 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid #eee;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  padding-top: 0px;
}

/* Logo在导航栏中的样式 */
.navbar-logo {
  display: none;
}

.navbar-logo img {
  height: 40px;
  width: auto;
}



/* 确保在桌面端导航栏展开 */
@media (min-width: 992px) {
  .navbar-expand-lg .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
  }
  
  .navbar-expand-lg .navbar-collapse.collapse {
    display: flex !important;
  }
  
  .navbar-expand-lg .navbar-toggler {
    display: none;
  }
}

.navbar-nav {
  gap: 10px;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: #333 !important;
  font-size: 15px;
  padding: 6px 12px !important;
  transition: all 0.2s ease;
  position: relative;
  border-radius: 4px;
  text-decoration: none !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 12px;
  right: 12px;
  height: 2px;
  background-color: #1e88e5;
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-link:hover {
  color: #1e88e5 !important;
  background-color: rgba(30, 136, 229, 0.08) !important;
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link.current {
  color: #1e88e5 !important;
  font-weight: 600 !important;
  background-color: rgba(30, 136, 229, 0.1) !important;
}

.nav-link.current::after {
  transform: scaleX(1);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
  /* 在移动端显示导航栏中的Logo */
  .navbar-logo {
    display: block;
    margin: 0 auto;
    padding: 8px 0;
    text-align: center;
  }

  .navbar-logo img {
    height: 50px;
    width: auto;
  }

  /* 隐藏顶部搜索栏和大Logo */
  .top-search-bar,
  .logo-container {
    display: none;
  }

  /* 导航栏容器布局 */
  .navbar > .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 15px;
  }

  /* 确保 Logo 和 Toggler 按钮在同一行 */
  .navbar > .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  /* 汉堡菜单按钮样式 */
  .navbar-toggler {
    display: block !important;
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 4px 8px;
    margin: 0;
    order: 2;
  }

  .navbar-toggler-icon {
    display: inline-block;
    width: 1.5em;
    height: 1.5em;
    vertical-align: middle;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100%;
  }

  /* Logo 在移动端的样式 */
  .navbar-logo {
    order: 1;
    margin: 0;
    padding: 0;
  }

  /* 导航菜单样式 */
  .navbar-collapse {
    order: 3;
    width: 100%;
    text-align: center;
    margin-top: 10px;
  }

  /* 确保移动端 collapse 行为正常 */
  /* 注意：这里不使用 !important，让内联样式优先级更高 */
  .navbar-collapse.collapse:not(.show) {
    display: none;
  }

  .navbar-collapse.collapse.show {
    display: block;
  }

  /* 确保移动端展开时内容可见 */
  .navbar-collapse.show {
    display: block;
    visibility: visible;
    opacity: 1;
  }

  /* 确保导航内容在移动端可见 */
  .navbar-collapse[style*="display: block"] {
    display: block !important;
  }

  .navbar-nav {
    padding: 10px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  
  .nav-link {
    padding: 8px 12px;
    width: 100%;
    text-align: center;
  }

  /* 调整导航栏布局 */
  .navbar-custom {
    padding: 0;
  }

  /* 调整折叠菜单的布局 */
  #navbarNav {
    justify-content: center;
    text-align: center;
  }
}