.answer, .mask { display: none; }

.mask_box {
    width: 500px;
    position: fixed;
    padding: 16px 24px 30px;
    background-color: #fff;
    border-radius: 4px;
    z-index: 999;
    transform: translate(-50%, -50%);
}

.answer_title {
    overflow: hidden;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

    .answer_title span {
        float: left;
        font-size: 16px;
        font-family: PingFang SC;
        font-weight: bold;
        color: #333333;
    }

    .answer_title i {
        float: right;
        font-weight: normal;
        cursor: pointer;
    }

.answer_text {
    position: relative;
}

.answer textarea {
    display: block;
    padding: 14px 15px;
    width: 100%;
    height: 140px;
    outline: none;
    border-color: #E5E5E5;
    resize: none;
}

.answer_count {
    position: absolute;
    right: 10px;
    bottom: 10px;
    font-size: 14px;
    color: #999;
}

.answer input {
    margin: 20px 0 30px;
    display: block;
    width: 100%;
    height: 42px;
    border: 1px solid #E5E5E5;
    border-radius: 3px;
    text-indent: 15px;
}

.answer button {
    display: block;
    width: 100%;
    height: 44px;
    background: #FF5121;
    border-radius: 3px;
    color: #fff;
}