.exam {
  min-height: 465px;
  padding: 0 20px 35px 20px;
  background: #f4f4f4;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  /* Firefox */
  -webkit-box-sizing: border-box;
  /* Safari */
}

.exam .exam_title {
  position: relative;
  height: 50px;
  line-height: 50px;
  font-size: 18px;
  font-family: Microsoft YaHei;
  font-weight: bold;
  color: #DF0A0B;
  text-align: center;
}

.exam .exam_title .countdown {
  width: 120px;
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.exam .exam_title .countdown span {
  width: 80px;
  text-align: right;
  font-size: 18px;
  font-family: Arial;
  font-weight: 400;
  color: rgba(1, 1, 1, 1);
}

.exam .exam_view {
  min-height: 380px;
  padding: 40px 110px 35px 110px;
  background: #ffffff;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  /* Firefox */
  -webkit-box-sizing: border-box;
  /* Safari */
}

.exam .exam_view .topic {
  display: flex;
  justify-content: flex-start;
  margin-bottom: 40px;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: rgba(0, 0, 0, 1);
}

.exam .exam_view .topic>div span {
  margin: 0 6px;
}

.exam .exam_view .exam_question {
  width: 100%;
  min-height: 60px;
  text-align: left;
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #666666;
  display: flex;
}
.exam .exam_view .exam_question .cont_text {
  -webkit-flex: 1;
  flex: 1;
}
.exam .exam_view .exam_question .play_img {
  width: 35px;
  cursor: pointer;
}
.exam .exam_view .exam_question .play_img img {
  width: 100%;
}

.exam .exam_view .exam_answer {
  /* width: 500px;
  margin: 0 auto; */
}

.exam .exam_view .exam_answer .item {
  display: flex;
  /* align-items: center; */
  margin-bottom: 12px;
  cursor: pointer;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 10px 15px;
}

.exam .exam_view .exam_answer .item .prev {
  display: block;
  margin-right: 6px;
  width: 26px;
  height: 26px;
  line-height: 26px;
  text-align: center;
  color: #ffffff;
  background: #027db4;
  border-radius: 13px;
  flex-shrink: 0;
}

.exam .exam_view .exam_answer .item .content {
  line-height: 26px;
}

.exam .exam_view .exam_answer .success .prev {
  background: #029b5a;
}

.exam .exam_view .exam_answer .error .prev {
  background: #d9001b;
}

.exam .exam_view .step {
  display: flex;
  justify-content: space-around;
}

.exam .exam_view .step .left>div {
  margin: 0 11px;
  width: 126px;
  height: 46px;
  line-height: 46px;
  font-size: 16px;
  text-align: center;
  color: #666666;
  background: #F4F4F4;
  border-radius: 5px;
  cursor: pointer;
  -moz-box-shadow: 5px 5px 5px #EBEBEB;
  /* 老的 Firefox */
  box-shadow: 5px 5px 5px #EBEBEB;
}

.exam .exam_view .step .right {
  display: flex;
  justify-content: space-between;
}

.exam .exam_view .step .right>div {
  margin: 0 11px;
  width: 126px;
  height: 46px;
  line-height: 46px;
  font-size: 16px;
  text-align: center;
  border-radius: 5px;
  cursor: pointer;
  -moz-box-shadow: 5px 5px 5px #EBEBEB;
  /* 老的 Firefox */
  box-shadow: 5px 5px 5px #EBEBEB;
}

.exam .exam_view .step .right .next_question {
  color: #666666;
  background: #F4F4F4;
}

.exam .exam_view .step .right .next_exam {
  color: #ffffff;
  background: #1C92DC;
}

.back {
  margin: 45px auto 25px auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 255px;
  height: 42px;
  color: #ffffff;
  background: rgba(223, 10, 11, 1);
  border-radius: 21px;
  cursor: pointer;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  /* Firefox */
  -webkit-box-sizing: border-box;
  /* Safari */
}

.exam .exam_view .exam_answer .success .sucTips{ color: #029b5a; font-style: normal;}
.exam .exam_view .exam_answer .errorTips{ color: #F00; font-style: normal;}