.brush-main
button {
    background: none;
    border: none;
    cursor: pointer;
}

html, body {
    background-color: #f8f8f8;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.brush-main {
    width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.brush-main .main-left {
    flex: 1;
    overflow: hidden;
    box-sizing: border-box;
    position: relative;
    margin-right: 16px;
}

.brush-main .main-left .brush-nav {
    height: 60px;
    border-radius: 8px;
    line-height: 60px;
    margin-bottom: 10px;
    background-color: #fff;
    box-sizing: border-box;
    padding: 0px 22px 0 23px;
    font-size: 14px;

}

.brush-main .main-left .brush-nav span {
    font-weight: 600;
    color: rgba(51, 51, 51, 1);
    margin-right: 30px;
}

.brush-main .main-left .brush-nav a {
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    margin-right: 12px;
}

.brush-main .main-left .brush-nav a:not(:last-child)::after {
    content: '';
    width: 6px;
    height: 12px;
    display: inline-block;
    background: url("../img/diraction-right.58bcb93c.png") no-repeat left top/100% 100%;
    margin-left: 12px;
}

.main-left .question-item {
    background-color: #fff;
    padding: 30px 32px 0 32px;
    box-sizing: border-box;
    margin-bottom: 10px;
    border-radius: 5px;
    display: none;
    padding-bottom:45px;
}

.main-left .question-item .question-type h5 {
    font-size: 18px;
    color: rgba(34, 34, 34, 1);
    margin-right: 14px;
    display: inline-block;
    position: relative;
}

/* .main-left .question-item .question-type h5::before{
    content: '';
    position: absolute;
    width:2px;
    height:14px;
    background-color:#3E91EF;
    left: -23px;
    top:1px;
} */
.main-left .question-item .question-type span {
    font-size: 12px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
}

.question-area {
    background: #FFFFFF;
    position: relative;
    box-sizing: border-box;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    border-radius: 8px;
}

.question-item .question-tool {
    margin-top: 19px;
}

.question-item .question-tool .question-number {
    height: 36px;
    padding: 0 10px;
    font-size: 16px;
    color: #333333;
    line-height: 36px;
    text-align: center;
    display: inline-block;
    background-color: #FFDB3F;
    position: relative;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}

/*.question-item .question-tool .question-number::after {*/
    /*content: '';*/
    /*position: absolute;*/
    /*border: 9px solid transparent;*/
    /*border-right-width: 15px;*/
    /*border-left-width: 15px;*/
    /*border-bottom-color: #fff;*/
    /*bottom: 0px;*/
    /*left: 0px;*/
/*}*/

.question-item .question-tool .question-hander {
    float: right;
    margin-top:10px;
}

.question-item .question-tool .question-hander button {
    margin-left: 36px;
    font-size: 13px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    background: none;
    border: none;
}

.question-item .question-tool .question-hander button::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 4px;
    vertical-align: middle;
}

.question-item .question-tool .question-hander button:first-child {
    background: url("//imgcdn.bangkao.com/src/userCenter/img/pj1.660f8978.png") no-repeat;
}

.question-item .question-tool .question-hander button:first-child:hover {
    background: url("//imgcdn.bangkao.com/src/userCenter/img/pj.12dfc246.png") no-repeat;
    color: #F53533;
}

.question-item .question-tool .question-hander button:nth-child(2) {
    background: url("//imgcdn.bangkao.com/src/userCenter/img/xx1.62391c34.png") no-repeat;
}

.question-item .question-tool .question-hander button:nth-child(2):hover {
    background: url("//imgcdn.bangkao.com/src/userCenter/img/xx.19273a8c.png") no-repeat;
    color: #f1bc55;
}

.question-item .question-tool .question-hander button.active {
    background: url("//imgcdn.bangkao.com/src/userCenter/img/xx.19273a8c.png") no-repeat !important;
    color: #f1bc55;
}

.question-item .question-tool .question-hander button:last-child {
    background: url("//imgcdn.bangkao.com/src/userCenter/img/bj1.31298655.png") no-repeat;
}

.question-item .question-tool .question-hander button:last-child:hover {
    background: url("//imgcdn.bangkao.com/src/userCenter/img/bj.457cf65d.png") no-repeat;
    color: #6ebff8;
}

.question-item .question-title {
    font-size: 16px;
    color: #333;
    margin: 36px 0px 24px 0;
}
.question-option{
    margin-bottom: 40px;
}
.question-item .question-option ul li b {
    content: 'A';
    display: inline-block;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 3px;
    background-color: #E6E6E6;
    margin-right: 11px;
    font-size: 14px;
    font-weight: 400;
    color: #333333;
}

.question-item .question-option ul li.select b {
    background-color: #FFDB3F;
    color: #333;
}

.question-item .question-option ul.radio li b {
    border-radius: 50%
}

.question-item .question-option ul li {
    list-style-position: inside;
    margin-bottom: 24px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
}

/* 解题思路 */
.question-item .think-detail {
    width: 100%;
    background-color: #fff;
}

.question-item .think-detail .daan {
    margin-bottom: 18px;
}

.question-item .think-detail .daan .usersel {
    font-size: 16px;
    font-weight: 400;
    color: #999;
    margin-right: 100px;
}

.question-item .think-detail .daan .answersel {
    font-size: 16px;
    font-weight: 400;
    color: #999;
    margin-right: 100px;
}

.question-item .think-detail .point {
    margin-bottom: 32px;
}

.question-item .think-detail .point .point-content {
    font-size: 16px;
    font-weight: 400;
    color: #FF0303;
}

.question-item .think-detail .vedio-box {
    display: inline-block;
    width: 160px;
    height: 96px;
    border: 1px solid #cccccc;
    box-sizing: border-box;
    vertical-align: top;
    padding: 7px;
    border-radius: 5px;
    position: relative;
}

.question-item .think-detail .vedio-box .click-mask {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, .3)
}

.question-item .think-detail .vedio-box .click-mask::after {
    content: '';
    position: absolute;
    border: 10px solid transparent;
    border-left-width: 14px;
    border-right-width: 14px;
    border-left-color: #fff;
    top: 50%;
    transform: translate(13px, -50%);
}

.question-item .think-detail .vedio-box > video {
    width: 100%;
    height: 100%;
}

.question-item .think-detail .word-analysis {
    margin-top: 32px;
}

.question-item .think-detail .word-analysis .word-content {
    font-size: 14px;
    font-weight: 400;
    color:#333333;
    display: inline-block;
    margin-right: 135px;
    vertical-align: top;
    line-height: 24px;
    padding-top: 10px;
}

.question-item .think-detail {
    margin-top: 36px;
    display: none;
}

.question-item .think-detail .title {
    font-size: 16px;
    font-weight: 400;
    color: #999;
    margin-right: 32px;
}

.question-item .question-think button {
    display: inline-block;
    padding: 0 20px;
    height: 36px;
    line-height: 36px;
    font-size: 16px;
    color:#333;
    margin-top: 36px;
    cursor: pointer;
    background: #FFDB3F;
    border-radius: 4px;
}
.question-item .question-think button.up{
    background: #fff;
    border: 1px solid #333333;
}
.question-item .question-think button:last-child {
    float: right;
}

.question-item .question-think button:hover {
    background: #edca33;
    border-color: #edca33;
}

/* 切换下一题 */
.main-left .switch-question {
    height:54px;
    background: rgba(255, 255, 255, 1);
    position: relative;
    display: flex;
    align-items: center;
    border-top: 1px solid #E6E6E6;
}
.main-left .switch-question:after{
    content: '';
    width: 1px;
    top: 20px;
    bottom: 18px;
    position: absolute;
    left: 50%;
    background: #E6E6E6;
    z-index: 1;
}
.main-left .switch-question button {
    flex: 1;
    height: 100%;
    text-align: center;
    box-sizing: border-box;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
}

.main-left .switch-question button:hover {
    color: #FFDB3F;
}

.main-left .switch-question button.prev::before {
    content: '';
    display: inline-block;
    width: 12px;
    height: 17px;
    margin-right: 12px;
    background: url("../img/brush-color.6124d36a.png") no-repeat -58px 0px;
    vertical-align: -2px;
}

.main-left .switch-question button.next::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 17px;
    margin-left: 12px;
    background: url("../img/brush-color.6124d36a.png") no-repeat -71px 0px;
    vertical-align: -2px;

}

.brush-main .main-right {
    width:300px;
}

.main-right .question-speed {
    padding: 7px 0;
    background: rgba(255, 255, 255, 1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
    box-sizing: border-box;
    text-align: center;
}

.main-right .question-speed h5 {
    font-size:16px;
    color: #333333;
    margin-bottom: 5px;
    text-align: center;
    font-weight: 400;
}

.main-right .question-speed .speed-wrap {
    width: 220px;
    height: 10px;
    background: #E6E6E6;
    border-radius: 5px;
    display: inline-block;
    margin: 0 11px;
    position: relative;
    vertical-align: middle;
}

.main-right .question-speed .speed-wrap .now-done {
    position: absolute;
    height: 100%;
    border-radius: 5px;
    top: 0px;
    left: 0px;
    background-color: #FFDB3F;
}

.main-right .question-speed .speed-wrap + span {
    font-size: 14px;
    font-weight: 400;
    color: #333333;
    display: inline-block;
    vertical-align: middle;
}

.main-right .question-time {
    padding: 24px 0 24px 0;
    box-sizing: border-box;
    background-color: #fff;
    overflow: hidden;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.main-right .question-time .time-area {
    font-size: 28px;
    font-weight: 400;
    color: #333;
    display: inline-block;
    text-align: center;
}

.main-right .question-time .time-out {
    width: 30px;
    height: 30px;
    margin-right: 26px;
    vertical-align: -3px;
    background: url("../img/topic-save.d115e23b.png") no-repeat -33px -1px;
}

.main-right .question-time .save {
    width: 30px;
    height: 30px;
    vertical-align: -3px;
    background: url("../img/topic-save.d115e23b.png")

}
.submit-btn{
    text-align: center;
}

.main-right .question-time .submit-btn a {
    display: inline-block;
    width:276px;
    height: 44px;
    font-size: 14px;
    font-weight: 400;
    color: #333;
    background-color:#FFE780;
    text-align: center;
    line-height: 44px;
    border-radius: 4px;
    cursor: pointer;
}

.main-right .question-time .submit-btn a:hover {
    background: #f1d86c;
}

.main-right .answer-card {
    background-color: #fff;
    padding: 0 20px;
    box-sizing: border-box;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}

.main-right .answer-card h4 {
    box-sizing: border-box;
    font-size: 16px;
    font-weight: 400;
    color: #333;
    padding: 12px 0;
}

.main-right .answer-card .markup-type {
    font-size: 14px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
}

/* 简单的展示 */
.main-right .answer-card .markup-type span {
    margin-right: 20px;
    font-size: 14px;
    color: #333333;
}
.main-right .answer-card .markup-type span:last-child{
    margin-right: 0;
}
.main-right .answer-card .markup-type span i {
    display: inline-block;
    width: 14px;
    height: 14px;
    background-color: #FFE780;
    border-radius: 2px;
    vertical-align: -2px;
    margin-right: 5px;
}

.main-right .answer-card .markup-type span:nth-of-type(2) i {
    background-color: #fff;
    border: 1px solid #CCCCCC;
}

.main-right .answer-card .markup-type span:nth-of-type(3) i {
    background-color: #fff;
    border: 1px solid #CCCCCC;
    position: relative;
    overflow: hidden;
}

.main-right .answer-card .markup-type span:nth-of-type(3) i::before {
    content: '';
    position: absolute;
    border: 7px solid transparent;
    border-right-color: #5BB7F8;
    transform: rotateZ(45deg);
    top: -8px;
    left: -10px;
}

.main-right .answer-card .radio-select h5 {
    font-size: 16px;
    font-weight: 400;
    color:#333333;
    margin:24px 0 12px -7px;
}

.main-right .answer-card .title-number li {
    width: 28px;
    height: 28px;
    font-size: 14px;
    border-radius: 2px;
    line-height: 28px;
    text-align: center;
    border: 1px solid #CCCCCC;
    color: #333333;
    margin-right: 18px;
    margin-bottom: 18px;
    float: left;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-sizing: border-box;
}

.main-right .answer-card .title-number li:nth-child(6n) {
    margin-right: 0px;
}

.main-right .answer-card .title-number li.sign::before {
    content: '';
    position: absolute;
    border: 10px solid transparent;
    border-right-color: #5BB7F8;
    transform: rotateZ(45deg);
    top: -10px;
    left: -10px;

}

.main-right .answer-card .title-number li.done {
    color: #333;
    background-color: #FFDB3F;
    border: 1px solid #FFDB3F;
}

.main-right .answer-card .title-number li:hover {
    background: #FFDB3F;
    border: 1px solid #FFDB3F;
}

/* 弹窗 */
.time-out-mask,
.save-mask,
.submit-paper-mask {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0px;
    top: 0px;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 999;
    display: none;
}

.time-out-mask .goOn,
.save-mask .save-content,
.submit-paper-mask .submit-paper {
    position: absolute;
    width: 420px;
    height: 440px;
    background-color: #fff;
    border-radius: 5px;
    left: 0px;
    bottom: 0px;
    right: 0px;
    top: 0px;
    margin: auto;
    text-align: center;
    padding: 30px 0 0;
    box-sizing: border-box;
}

.close-btn {
    width: 13px;
    height: 13px;
    background: url("../img/close.edcb4405.png") no-repeat;
    border-radius: 3px;
    position: absolute;
    right: 20px;
    top: 21px;
    cursor: pointer;
}

.submit-paper-mask .submit-paper img {
    margin-top: 31px;
}

.save-mask .save-content img {
    margin-top: 88px;
}

.submit-paper-mask .submit-paper p {
    font-size: 18px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    margin-top: 42px;
    margin-bottom: 71px;
}

.time-out-mask .goOn p {
    font-size: 14px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    margin: 28px 0 32px;
}

.save-mask .save-content p {
    font-size: 16px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    margin: 27px 0 74px;
}

.submit-paper-mask .submit-paper .sub-btn-wrap button {
    width: 120px;
    height: 42px;
    border-radius: 5px;
    font-size: 18px;
    color: rgba(153, 153, 153, 1);
    background-color: #ECECEC;
}

.submit-paper-mask .submit-paper .sub-btn-wrap button:first-child {
    margin-right: 40px;
}

.submit-paper-mask .submit-paper .sub-btn-wrap button.bg-red {
    background-color: #F85C5B;
    color: #FFFFFF;
}

.save-mask .save-content .save-btn-wrap button {
    width: 120px;
    height: 42px;
    background-color: #F85C5B;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
}

.save-mask .save-content .save-btn-wrap .cancel-btn {
    background-color: #ECECEC;
    color: #999999;
    margin-left: 39px;
}

.time-out-mask .goOn .goOn-btn {
    width: 300px;
    height: 42px;
    background-color: #F85C5B;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 42px;
}

/* 纠错 */
.corrected-mask {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0px;
    top: 0px;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 999;
    display: none;
}

.corrected-mask .corrected-wrap {
    width: 520px;
    height: 560px;
    background-color: #FFFFFF;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0px;
    right: 0px;
    margin: auto;
    border-radius: 5px;
    padding: 31px 44px 34px 42px;
    box-sizing: border-box;
}

.corrected-mask .corrected-wrap .corrected-title h4 {
    font-size: 22px;
    font-weight: 600;
    color: rgba(51, 51, 51, 1);
    text-align: center;

}

.corrected-wrap .corrected-title p {
    font-size: 14px;
    font-weight: 400;
    color: rgba(153, 153, 153, 1);
    text-align: center;
    margin: 15px 0 29px;
}

.corrected-wrap .corrected-type h5 {
    font-size: 18px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 12px;
}

.corrected-wrap .corrected-type label {
    font-size: 16px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    margin-right: 33px;
}

.corrected-wrap .corrected-type input[type='radio'] + span {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 1px solid #999999;
    border-radius: 50%;
    box-sizing: border-box;
    margin-right: 3px;
    vertical-align: -2px;
}

.corrected-wrap .corrected-type input[type='radio']:checked + span {
    background: url('../img/cir-select.387759de.png') no-repeat 0 0/100%;
    border: none;
}

.corrected-wrap .correct-area {
    margin: 50px 0 31px;
}

.corrected-wrap .correct-area h5 {
    font-size: 18px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 12px;
}

.corrected-wrap .correct-area .select-area {
    width: 435px;
    height: 40px;
    border: 1px solid #CCCCCC;
    line-height: 40px;
    box-sizing: border-box;
    padding: 0 14px;
    font-size: 16px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
    cursor: pointer;
    border-radius: 5px;
    position: relative;
}

.corrected-wrap .correct-area .select-area::after {
    content: '';
    display: inline-block;
    width: 14px;
    height: 10px;
    background: url("../img/xiala.d8d6af26.png") no-repeat 0 0/100%;
    position: absolute;
    right: 14px;
    top: 15px;
}

.corrected-wrap .correct-area .select-area .select-option {
    width: 435px;
    border-radius: 5px;
    border: 1px solid #CCCCCC;
    position: absolute;
    left: 0px;
    background-color: #fff;
    display: none;
}

.corrected-wrap .correct-area .select-option li {
    width: 100%;
    height: 40px;
    line-height: 40px;
    padding-left: 12px;
    box-sizing: border-box;
    font-size: 16px;
    font-weight: 400;
    color: rgba(102, 102, 102, 1);
}

.corrected-wrap .correct-area .select-option li:hover {
    background-color: #F4F4F4;
}

.corrected-wrap .correct-content h5 {
    font-size: 18px;
    font-weight: 400;
    color: rgba(51, 51, 51, 1);
    margin-bottom: 12px;
}

.corrected-wrap textarea {
    width: 435px;
    height: 80px;
    border: 1px solid #CCCCCC;
    resize: none;
    text-indent: 9px;
    font-size: 16px;
    padding: 7px 0 0;
}

.corrected-wrap .correct-btn {
    margin-top: 36px;
    text-align: center;
}

.corrected-wrap .correct-btn button {
    width: 120px;
    height: 40px;
    font-size: 18px;
    font-weight: 400;
    border-radius: 5px;
    background-color: #F4F4F4;
    color: #999999;
}

.corrected-wrap .correct-btn button:first-child {
    color: rgba(255, 255, 255, 1);
    background-color: #F85C5B;
    margin-right: 39px;

}

/* 视频 */
.video-mask {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0px;
    top: 0px;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 999;
    display: none;
}

.video-mask .video-area-wrap {
    width: 880px;
    height: 559px;
    background: rgba(255, 255, 255, 1);
    border-radius: 5px;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0px;
    right: 0px;
    margin: auto;
    box-sizing: border-box;
    text-align: center;
    overflow: hidden;
}

.video-mask .video-area-wrap h3 {
    text-align: left;
    height: 64px;
    line-height: 64px;
    padding-left: 30px;
    font-size: 20px;
    font-weight: 500;
    color: rgba(51, 51, 51, 1);
}

/*





*/
.video-mask .video-area-wrap .video-area {
    width: 880px;
    height: 495px;
    position: relative;
    overflow: hidden;
}

.video-area .video-controller {
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 100%;
    height: 50px;
    line-height: 50px;
    background-color: rgba(0, 0, 0, 0.6);
    transition: bottom .6s;
}

.video-area .video-controller .progress-bar {
    position: absolute;
    width: 100%;
    height: 2px;
    top: -2px;
    left: 0px;
    transition: width .3s, height .3s;
    background-color: #fff;
}

.video-area .video-controller:hover .progress-bar {
    height: 6px;
    top: -6px;
    left: 0px;
}

.video-controller:hover .progress-bar .p-bar-head {
    width: 16px;
    height: 16px;
    top: -5px;
}

.video-controller .progress-bar .p-bar {
    width: 0px;
    height: 100%;
    background-color: #FFA341;
}

.video-controller .progress-bar .p-bar-head {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #FFA341;
    border-radius: 50%;
    top: -5px;
    left: 0px;
    transition: width .3s, height .3s;
    box-shadow: 0px 0px 10px 3px #FFA341;
}

.video-area .video-controller .play-btn {
    width: 18px;
    height: 20px;
    margin-left: 23px;
    vertical-align: -2px;
}

.video-area .video-controller .play {
    background: url("../img/video-controller-ico.e18061ff.png") no-repeat -49px 0px;
}

.video-area .video-controller .pause {
    background: url("../img/video-controller-ico.e18061ff.png") no-repeat -68px 0px;

}

.video-area .video-controller .video-time {
    display: inline-block;
    font-size: 14px;
    font-weight: 300;
    color: rgba(255, 255, 255, 1);
    margin-left: 10px;
    vertical-align: middle;
}

.video-area .video-controller .video-time .all-time::before {
    content: '/';
    margin-right: 5px;
}

.video-area .video-controller .video-vol {
    display: inline-block;
    margin-left: 32%;
}

.video-area.full .video-controller .video-vol {
    margin-left: 58%;
}

.video-area .video-controller .vol-btn {
    display: inline-block;
    width: 28px;
    height: 24px;
    vertical-align: -7px;
    cursor: pointer;
    background: url("../img/video-controller-ico.e18061ff.png") no-repeat -1px 0px;
}

.video-area .video-controller .vol-btn.mute {
    background: url("../img/mute-ico.99fbe3e1.png") no-repeat -1px 0px;
    vertical-align: -9px;
}

.video-area .video-controller .video-vol .vol-bar {
    margin-left: 10px;
    width: 140px;
    height: 5px;
    border-radius: 5px;
    background-color: #FFFFFF;
    display: inline-block;
    vertical-align: 2px;
    position: relative;

}

.video-vol .vol-bar .bar {
    position: absolute;
    left: 0px;
    top: 0px;
    height: 100%;
    width: 72px;
    background-color: #D92525;
    border-radius: 5px;
}

.video-vol .vol-bar .bar-head {
    position: absolute;
    left: 70px;
    top: -6px;
    width: 18px;
    height: 18px;
    background: url("../img/video-controller-ico.e18061ff.png") no-repeat -28px -2px;

}

.video-area .video-controller .video-speed {
    display: inline-block;
    font-size: 16px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    margin: 0 30px 0 35px;
    position: relative;
}

.video-area .video-controller .video-speed .speed-opention,
.video-definition .definition-choes {
    position: absolute;
    bottom: 52px;
    left: -20px;
    text-align: center;
    line-height: 2;
    background-color: rgba(0, 0, 0, 0.3);
    font-size: 16px;
    border-radius: 5px;
    display: none;
}

.video-definition .definition-choes {
    left: -10px;
}

.video-speed .speed-opention ul li,
.video-definition .definition-choes ul li {
    cursor: pointer;
    padding: 9px 20px;
    font-size: 16px;
    transition: all .1s;
}

.video-definition .definition-choes ul li {
    width: 32px;
}

.video-speed .speed-opention ul li:hover,
.video-definition .definition-choes ul li:hover {
    transform: scale(1.1, 1.1);
}

.video-speed .speed-opention ul li.select,
.video-definition .definition-choes ul li.select {
    color: rgba(248, 92, 91, 1);
}

.video-area .video-controller .video-definition {
    display: inline-block;
    font-size: 16px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    position: relative;
}

.definition-btn,
.speed-btn {
    width: 42px;
    padding: 0px;
    font-size: 16px;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
}

.video-area .video-controller .video-full-btn {
    width: 20px;
    height: 20px;
    margin-left: 35px;
    vertical-align: -2px;
    background: url("../img/video-controller-ico.e18061ff.png") no-repeat -87px 0px;
}

.video-area video {
    width: 100%;
    height: 100%;
}

/*客观案例题*/
.question_timu {
    padding-bottom: 30px;
    border-bottom: 1px solid #E1E1E1;
    margin-bottom: 20px;
    padding-top: 25px;
}

.question_timu p {
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(34, 34, 34, 1);
    line-height: 25px;
    text-indent: 30px;
}

.question_timu p:first-child {
    text-indent: 0px;
}

.question_huida p:first-child {
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: rgba(34, 34, 34, 1);
    line-height: 25px;
    margin-bottom: 30px;
}

.question-tool ul {
    font-size: 0px;
    display: inline-block;
}

.question-tool ul li {
    display: inline-block;
    width: 30px;
    height: 24px;
    margin-right: 12px;
    border: 1px solid #CCCCCC;
    font-size: 14px;
    color: #333333;
    text-align: center;
    line-height: 24px;
    border-radius: 2px;
    cursor: pointer;
}

.question-tool ul li.active {
    border: 1px solid #F85C5B;
    background: #F85C5B;
    color: #ffffff;
}

.question_huida .question-tool .question-hander {
    line-height: 25px;
}

.question_huida {
    margin-bottom: 20px;
}

.question_write {
    height: 146px;
    width: 100%;
    box-sizing: border-box;
    padding: 10px;
    font-size: 16px;
    background: rgba(255, 255, 255, 1);
    border-radius: 5px;
    border: 1px solid rgba(225, 225, 225, 1);
}

.question_write_silu {
    position: relative;
    height: auto;
    min-height: 90px;
}

.question_write_silu div {
    position: absolute;
    top: 0px;
    right: 0px;
}

.question_write_silu > button {
    width: 128px;
    height: 44px;
    background-color: #F85C5B;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    border-radius: 5px;
    position: absolute;
    top: 24px;
    left: 0px;
}

.save_btn {
    display: inline-block;
    float: none !important;
}

.question-think1 button {
    margin-top: 15px !important;
    margin-bottom: 0px !important;
}

.shouchangxuanzhong { /*收藏*/
    background: url(//imgcdn.bangkao.com/src/userCenter/img/xx.19273a8c.png) no-repeat !important;
    color: #f1bc55 !important;
}

.biaojixuanzhong { /*标记*/
    background: url("//imgcdn.bangkao.com/src/userCenter/img/bj.457cf65d.png") no-repeat !important;
    color: #6ebff8 !important;
}

.icon_zt {
    font-size: 30px;
    margin-right: 22px;
    cursor: pointer;
    color: #999;
}

.icon_save {
    font-size: 30px;
    cursor: pointer;
    color: #999;
}

.question_tool_r {
    font-size: 0;
    margin-right: 0;
}

.question_tool_r > i:hover {
    color: #FFDB3F;
}

.question_tool {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 15px;
    margin-bottom:20px;
}


.question_time_line {
    width: 1px;
    height: 42px;
    background:#E6E6E6;
    margin: 0 16px;
}

.question_choose{
    font-size:16px;
    color:#999;
    margin-bottom: 26px;

}
.question_choose span:nth-child(2){
    margin-left: 30px;
}
.question_choose b{
    margin-left: 10px;
    font-size:16px;
    font-family:PingFangSC-Medium,PingFang SC;
    font-weight:500;
    color:rgba(248,92,91,1);
}
.question_choose span b.true_question{
    color:rgba(120,223,59,1);
}
.question_choose span b.false_question{
    color:rgba(248,92,91,1);
}
.w_em{
    width: 2em;
    display: inline-block;
}
.biji_shuati_icon{
    cursor: pointer;
    margin-top: -24px;
    display: inline-block;
}
.word-content .biji_shuati_icon{
    margin-top: 0;
    margin-left: 5px;
}
/*页面小于此宽度执行。*/
@media screen and (max-width:1500px){
    .brush-main {
        width: 1200px;
    }
}