.fog-wrapper {
    z-index: 3;
    position: fixed;
    display: none;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    background: rgba(0, 0, 0, 0.8);
}

.fog-wrapper-inner {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    padding-top: 56.25%;
}

/*信息提示窗样式*/
.message-box {
    opacity: 1;
    position: relative;
    margin: 77% auto;
    width: 200px;
    height: 150px;
    background-color: white;
    padding: 20px 20px 0;
    border-radius: 10px;
}

#message-title {
    position: relative;
    height: 30px;
    width: 100%;
    font-size: 16px;
    font-weight: 600;
}

#message-body {
    position: relative;
    height: 100px;
    width: 100%;
}

.confirm-button {
    position: relative;
    width: 50px;
    height: 30px;
    background-color: rgba(5, 10, 5, 0.71);
    border-radius: 5px;
    bottom: 5px;
    margin: 60px auto;
    font-weight: 600;
    color: #FF9933;
    line-height: 30px;
    text-align: center;
}

/*抢答器样式*/
.answerArea {
    position: relative;
    margin: 75% auto;
    width: 300px;
}

#answerback {
    position: absolute;
    top: 0;
    width: 300px;
    left: 0;
}

body .answerForg, body .answerError{
    background-color: rgba(0, 0, 0, 0);
}

.classworkForg{
    position: fixed;
    width: 90%;
    left: 0;
    right: 0;
    bottom: 70px;
    margin: auto;
    font-size: 14px;
    min-height: 168px;
    background: rgba(20,24,46,.9);
    border-radius: 5px;
    z-index: 3;
    display: none;
}

#answerbut {
    position: absolute;
    background: url(../images/web1/contest_btn.png) no-repeat;
    background-size: 100% 100%;
    width: 157px;
    height: 140px;
    line-height: 118px;
    text-align: center;
    font-size: 18px;
    color: white;
    left: 0;
    right: 0;
    bottom: 70px;
    margin: auto;
    font-weight:600;
    color:#A45310;
    text-shadow:0px 1px 0px rgba(255,255,255,1);
}

/*奖励样式*/
#feedback, .reward-animation {
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.reward-animation-score {
    position: absolute;
    display: block;
    color: #ffffff;
    bottom: 10px;
    left: 90%;
}

#textArea, .reward-message {
    line-height: 50px;
    height: 50px;
    width: 100%;
    color: #ffffff;
    font-size: 20px;
    text-align: center;
    margin: 0 auto;
    display: none;
}

#confirm-feed, .reward-button {
    width: 60px;
    height: 30px;
    background-color: orange;
    border-radius: 15px;
    line-height: 30px;
    text-align: center;
    font-size: 12px;
    color: #ffffff;
    margin: 0 auto;
}

#js-reward-fog.individual .reward-message {
    display: block;
}

/*答题样式*/
/* #classworkArea {
    position: fixed;
    width: 90%;
    left: 0;
    right: 0;
    bottom: 70px;
    margin: auto;
    font-size: 14px;
    min-height: 168px;
    background: rgba(20,24,46,.9);
    border-radius: 5px;
} */

#optionArea > li:nth-child(5), #optionArea > li:nth-child(6) {
    margin-top: 10px;
}
#optionType{
    width: 70px;
    height: 30px;
    background: url(../images/web1/option_type.png) no-repeat;
    margin: 13px auto 0;
    font-size: 16px;
    line-height: 30px;
    color:#FFFFFF;
    text-align: center;
}
.option {
    width: 50px;
    height: 50px;
    background: url(../images/web1/answerdefault.png) no-repeat;
    border-radius: 25px;
    text-align: center;
    margin: 0 10px;
    cursor: pointer;
    display: inline-block;
    font-size: 20px;
    background-size: 50px;
    line-height: 50px;
    color: #999999;
}
/* .option:hover {
    width: 50px;
    height: 50px;
    background: url(../images/web1/icon_hover.png) no-repeat;
    border-radius: 25px;
    text-align: center;
    margin: 0 10px;
    cursor: pointer;
    display: inline-block;
    font-size: 20px;
    background-size: 50px;
    line-height: 50px;
    color: #592D13;
}
.option:active {
    width: 50px;
    height: 50px;
    background: url(../images/web1/bg_checked.png) no-repeat;
    border-radius: 25px;
    text-align: center;
    margin: 0 10px;
    cursor: pointer;
    display: inline-block;
    font-size: 20px;
    background-size: 50px;
    line-height: 50px;
    color: #999999;
} */

.optionPick {
    width: 50px;
    height: 50px;
    background: url(../images/web1/answerselect.png) no-repeat;
    border-radius: 28px;
    text-align: center;
    margin: 0 10px;
    font-size: 20px;
    background-size: 50px;
    line-height: 50px;
    color: #592D13;
    display: inline-block;
}

#optionArea {
    position: relative;
    margin: 28px auto 10px;
    width: 280px;
    list-style-type: none;
}

#workButton {
    margin: 20px auto;
    text-align: center;
    cursor: pointer;
    width:259px;
    height:36px;
    line-height: 40px;
    background:#FFB400;
    box-shadow:0px 4px 0px 0px #FF8F1F;
    border-radius:25px;
    font-size:16px;
    color: #592D13;
}

#workButton.submit-select {
    background-color: #F58900;
    color: #3E1903;
    box-shadow:0px 4px 0px 0px #B55A00;
}

.answer-error-img{
    position: absolute;
    top: 400px;
    left: 0;
    right: 0;
    margin: auto;
    width: 172px;
    height: 81px;
}
.toast-mask {
    display: none;
    z-index: 15;
    background: rgba(0, 0, 0, .6);
    text-align: center;
    position: fixed;
    left: 50%;
    top: 50%;
    margin-left: -100px;
    margin-top: -76px;
    width: 200px;
    height: 152px;
    color: #ffffff;
    border-radius: 15px;
}

.toast-mask .score-pic {
    margin-top: 15px;
}

.toast-mask .score-des {
    margin-top: 15px;
}

.is-mobile .classwork-hide-chat{
    position: absolute;
    left: 50%;
    right: 0;
    bottom: -70px;
    width: 140%;
    height: 70px;
    margin: 0 auto;
    transform: translate(-50%,-0);
}