/* 遮罩层样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none; /* 默认隐藏 */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* 弹出框主体样式 - 居中核心 */
.modal-box {
    width: 450px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* 弹出框导航栏 */
.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid #e8e8e8;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.close-btn {
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 20px;
    color: #999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: color 0.2s;
    padding-top: 2px;
    background-color: #eee;
    border-radius: 4px;
}

    .close-btn:hover {
        color: #fff;
        background-color: #9254de; /* 紫色背景*/
        border-radius: 4px;
    }

/* 弹出框内容区域 */
.modal-content {
    padding: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #333;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

    .form-input:focus {
        border-color: #1677ff;
    }

/* 验证码区域样式 */
.verify-code-group {
    display: flex;
    gap: 12px;
}

.verify-input {
    flex: 1;
}

.verify-code-display {
    width: 120px;
    height: 40px;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    color: #666;
    cursor: pointer;
    user-select: none; /* 禁止选中文字 */
}

    .verify-code-display:hover {
        background-color: #f0f0f0;
    }

/* 提交按钮 */
.submit-btn {
    width: 50%;
    padding: 12px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.2s;
    /* 新增：水平居中核心样式 */
    margin: 0 auto;
    /* 确保按钮是块级元素，margin: 0 auto 才能生效 */
    display: block;
}

    .submit-btn:hover {
        background-color: #0958d9;
    }

/* 显示弹出框的激活状态 */
.modal-overlay.active {
    display: flex;
}