/* 语言下拉菜单修复样式 */

/* 确保下拉菜单在小屏幕上正常显示 */
.navbar-mini .dropdown-menu {
    right: 0;
    left: auto;
    min-width: 120px;
    border-radius: 4px;
    box-shadow: 0 6px 12px rgba(0,0,0,.175);
    background-color: #fff;
    border: 1px solid rgba(0,0,0,.15);
}

/* 语言下拉菜单项样式 */
.navbar-mini .dropdown-menu > li > a {
    padding: 8px 15px;
    font-size: 12px;
    color: #333;
    text-decoration: none;
    display: block;
    clear: both;
    font-weight: normal;
    line-height: 1.42857143;
    white-space: nowrap;
}

.navbar-mini .dropdown-menu > li > a:hover,
.navbar-mini .dropdown-menu > li > a:focus {
    color: #262626;
    text-decoration: none;
    background-color: #f5f5f5;
}

/* 确保下拉箭头正确显示 */
.dropdown-toggle .caret {
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 2px;
    vertical-align: middle;
    border-top: 4px dashed;
    border-top: 4px solid \9;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
}

/* 优化下拉动画性能 - 使用更快速流畅的动画 */
.bt-dropdown-click .dropdown-menu {
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.15s ease-in-out, transform 0.15s ease-in-out;
}

.bt-dropdown-click.open .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* 禁用slideToggle动画，改用CSS transition */
.bt-dropdown-click .dropdown-menu {
    animation: none !important;
}

/* 移动设备响应式修复 */
@media (max-width: 767px) {
    .navbar-mini .dropdown-menu {
        position: static;
        float: none;
        width: auto;
        margin-top: 0;
        background-color: transparent;
        border: 0;
        box-shadow: none;
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .navbar-mini .dropdown-menu > li > a {
        padding: 5px 15px 5px 25px;
        line-height: 20px;
    }
    
    .navbar-mini .dropdown-menu > li > a:hover,
    .navbar-mini .dropdown-menu > li > a:focus {
        background-image: none;
        background-color: #f5f5f5;
    }
}

@media (max-width: 479px) {
    .navbar-mini {
        margin-right: 10px;
    }
    
    .navbar-mini > ul > li {
        margin: 0 2px;
    }
    
    .navbar-mini .dropdown-menu {
        min-width: 100px;
        font-size: 11px;
    }
}

/* 确保语言图标正确显示 */
.navbar-mini > ul > li > a i.ion-android-globe {
    font-size: 14px;
    margin-right: 5px;
}

/* z-index确保下拉菜单在最上层 */
.navbar-mini .dropdown-menu {
    z-index: 1000;
}

/* 修复语言切换链接颜色 */
.navbar-mini .dropdown-menu > li > a {
    color: #5d5d5d !important;
}

.navbar-mini .dropdown-menu > li > a:hover {
    color: #D60D45 !important;
    background: #f5f5f5 !important;
}

/* 下拉箭头样式优化 */
.navbar-mini .dropdown-toggle .caret {
    color: #5d5d5d;
    margin-left: 5px;
    margin-top: -2px;
}

/* 悬停状态的箭头颜色 */
.navbar-mini .dropdown:hover .dropdown-toggle .caret,
.navbar-mini .dropdown.open .dropdown-toggle .caret {
    color: #D60D45;
}

/* 性能优化：使用GPU加速 */
.bt-dropdown-click .dropdown-menu {
    will-change: transform, opacity;
    backface-visibility: hidden;
}