/* 修复语言下拉菜单显示问题 */
.dropdown-menu:not(.show) {
    display: none !important;
}

/* 确保只有在点击时才显示 */
.dropdown-menu.show {
    display: block !important;
}

/* 语言选择器样式改进 - 让用户更容易识别这是可点击的 */
#languageMenu {
    transition: all 0.2s ease;
    border-width: 1px;
    min-width: 90px;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.9);
    border-color: #dee2e6;
}

/* 让按钮看起来更像可点击的元素 */
#languageMenu:hover {
    background-color: #f8f9fa;
    border-color: #6c757d;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

#languageMenu:focus {
    box-shadow: 0 0 0 0.2rem rgba(52, 58, 64, 0.25);
    outline: none;
}

/* 确保dropdown不影响导航栏布局 */
.navbar .dropdown-menu {
    position: absolute;
    z-index: 1050;
    margin-top: 0.125rem;
    border: 1px solid rgba(0,0,0,.15);
    border-radius: 0.375rem;
}

/* 下拉菜单项样式 */
.dropdown-item {
    transition: all 0.15s ease;
    padding: 0.5rem 1rem;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: #212529;
}

.dropdown-item:active {
    background-color: #e9ecef;
}

/* 让下拉箭头更明显 */
#languageMenu.dropdown-toggle::after {
    margin-left: 0.5rem !important;
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
    transition: transform 0.2s ease;
}

/* 当dropdown打开时旋转箭头 */
#languageMenu[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

/* 添加一个微妙的边框高亮来提示这是可交互的 */
#languageMenu {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.15), 0 1px 1px rgba(0,0,0,0.075);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    #languageMenu {
        min-width: 80px;
    }
    
    #languageMenu .d-lg-inline {
        display: none !important;
    }
}