/* 新增的选择框样式 */
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    background-color: white;
    margin-bottom: 15px;
}

/* 第三方登录按钮容器 */
.providers {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

/* 第三方登录按钮 */
.provider-btn {
    display: flex;
    align-items: center;
    padding: 8px 15px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.provider-btn:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

.provider-btn img {
    width: 20px;
    height: 20px;
    margin-right: 8px;
}

/* 错误消息动画 */
.error {
    transition: all 0.3s;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.error.show {
    opacity: 1;
    height: auto;
    padding: 10px;
    margin-top: 15px;
}