.lang-selector {
    position: relative;
    display: inline-block;
    cursor: pointer;
    font-size: 14px;
    z-index: 1000;
}

.lang-selected {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.3s;
}

.lang-selected:hover {
    background: #f5f5f5;
}

.arrow-icon {
    margin-left: 6px;
    border: solid #666;
    border-width: 0 1.5px 1.5px 0;
    display: inline-block;
    padding: 2.5px;
    transform: rotate(45deg);
    transition: transform 0.3s;
}

/* 下拉菜单样式 */
.lang-dropdown {
    position: absolute;
    top: 110%;
    right: 0;
    width: 120px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-radius: 8px;
    list-style: none;
    padding: 8px 0;
    margin: 0;
    display: none; /* 默认隐藏 */
    animation: fadeIn 0.2s ease-out;
}

.lang-dropdown li {
    padding: 10px 16px;
    color: #666;
    transition: all 0.2s;
}

.lang-dropdown li:hover {
    background: #f9f9f9;
    color: #111;
}

.lang-dropdown li.active {
    color: #111;
    font-weight: 600;
}

/* 显示状态 */
.lang-selector.open .lang-dropdown {
    display: block;
}

.lang-selector.open .arrow-icon {
    transform: rotate(-135deg);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}