        .modalBox {
            width: 250px;
            position: fixed;
            bottom: 10px;
            left: 10px;
            border-radius: 10px;
            border: 1px solid #eee;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12), 0 0 6px rgba(0, 0, 0, 0.04);
            z-index: 99999;
            box-sizing: border-box;
        }

        .modalBox-header {
            display: flex;
            justify-content: space-between;
            width: 100%;
            height: 60px;
            line-height: 60px;
            background-color: #6696ff;
            color: #fff;
            padding: 0 20px;
            border-radius: 10px 10px 0 0;
            /* margin-bottom: 20px; */
            box-sizing: border-box;
        }

        .modalBox-content {
            padding: 20px;
            background-color: #fff;
            box-sizing: border-box;
        }

        .modalBox-close {
            cursor: pointer;
            text-align: right;
        }

        .modalBox .form-item {
            margin-bottom: 16px;
        }

        .modalBox label {
            display: inline-block;
            margin-bottom: 8px;
        }

        .modalBox .error-message {
            color: #f44336;
            font-size: 14px;
            display: none;
        }

        .modalBox .el-input {
            width: 100%;
        }

        .modalBox input:invalid~.error-message,
        .modalBox textarea:invalid~.error-message,
        .modalBox input:focus:invalid~.error-message {
            display: block;
        }

        .modalBox .form-item input:focus {
            border-color: #0c81e0;
        }

        .modalBox .el-input input,
        .modalBox .el-input textarea {
            width: 100%;
            border: 1px solid #dcdfe6;
            padding: 5px 0;
            border-radius: 4px;
            outline: none;
            transition: border-color 0.2s;
        }

        .modalBox .el-input input:focus,
        .modalBox .el-input textarea:focus {
            border-color: #409eff;
        }

        .modalBox .submit-button {
            width: 60px;
            height: 30px;
            line-height: 30px;
            text-align: center;
            border: 1px solid #409eff;
            background-color: #409eff;
            color: #fff;
            border-radius: 4px;
            cursor: pointer;
        }

        /* 选择所有具有placeholder属性的input元素 */
        .modalBox input::placeholder .modalBox textarea::placeholder {
            color: #999;
            /* 适用于大部分现代浏览器 */
        }

        /* 当placeholder文本显示时，改变其颜色 */
        .modalBox input:not(:focus):placeholder-shown {
            color: #999;
        }

        .modalBox #validation-form {
            width: 100%;
            /* 设置form的宽度为100% */
            max-width: 250px;
            /* 可以设置一个最大宽度 */
            margin: 0;
            /* 移除默认的margin */
            padding: 0px;
            /* 设置内边距 */
            box-sizing: border-box;
            /* 确保宽度包含内边距和边框 */
        }