.testquestions_title{
  margin: 20px auto;
}
.testquestions_title .title{
  display: inline-block;
}

.testquestions_title>.Navigation {
  font-size: 12px;
  color: #a2a2a2;
  margin: 10px 0;
}
.testquestions_title>.Navigation a{
  text-decoration: none;
}
.selectbox {
  min-width: 108px;
  height: 28px;
  border-radius: 44px;
  background-color: #f3f4f7;
  display: inline-block;

}
.selectbox .select {
  min-width: 108px;
  height: 28px;
  border-radius: 44px;
  color: #7d7d7d;
  /* background-color: rgba(255, 255, 255, .75); */
  position: relative;
  cursor: pointer;
}
.selectbox .select .font {
  min-width: 150px;
  font-size: 14px;
  line-height: 28px;
  text-align: center;
  padding:0 28px 0 14px;
}
.selectbox .select>i{
  font-size: 8px;
  position: absolute;
  right: 15px;
  top: 7px;
}

.select-menu-i>i {
  transform: rotate(180deg);
}

.selectbox .select .drop {
  min-width: 108px;
  position: absolute;
  left: 0;
  border: 1px solid #d1d1d1;
  background: #fff;
  z-index: 70;
  border-radius: 5px;
  margin-top: -2px;
  display: none;
}
.selectbox .select .drop li {
  font-size: 14px;
  line-height: 28px;
  color: #7d7d7d;
  text-align: center;
  cursor: pointer;
  padding: 0 10px;
}
.selectbox .select .drop li:hover {
  color: #fff;
  background: #d1d1d1;
}

.testquestions_nav{
  margin: 10px auto;
}

.testquestions_nav>ul{
  line-height: 40px;
  font-size: 14px;
  color:#878787;
}
.testquestions_nav>ul>li{
  margin-right: 30px;
  position: relative;
}
.testquestions_nav>ul>li>a:hover{
  color: #048ffc;
  text-decoration: none;
}

.testquestions_nav>ul>.Select{
  color: #048ffc;
}
.testquestions_nav>ul>.Select::after{
  content: '';
  width: 100%;
  height: 2px;
  background-color: #048ffc;
  position: absolute;
  bottom: -1px;
  left: 0;
}

.mark_box>.title{
  font-size: 22px;
}

.testquestions_classify{
  margin: 20px auto;
}
.testquestions_classify>.c_item{
  width: 190px;
  height: 106px;
  position: relative;
  box-shadow: 0 4px 8px 0 rgba(7, 17, 27, .1);
  border-radius: 10px;
  overflow: hidden;
  margin-right: 30px;
  cursor: pointer;
}
.testquestions_classify>.c_item:hover{
  transform: scale(1.05);
}
.testquestions_classify>.c_item>img{
  width: 190px;
  height: 106px;
}
.testquestions_classify>.c_item>span{
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 18px;
  color: #fff;
}

.testquestions_topic{
  min-height: 300px;
  margin-top: 30px;
  margin-bottom: 120px;
}

.testquestions_topic .topic_left{
  width: 230px;
  padding: 28px;
  background-color: #f7f8fb;
  color: #828282;
  border-radius: 10px;
  position:absolute;
}
.testquestions_topic .topic_left_position{
  position: fixed;
  top: 10px;
}

.topic_left_list{
  margin-bottom: 20px;
}
.topic_left_list:last-child{
  margin-bottom: 0px;
}
.testquestions_topic .topic_left img{
  display: inline-block;
  width: 10px;
  border: #ba5757;
}
.topic_left_title{
  font-size: 16px;
  margin-bottom: 5px;
  cursor: pointer;
}
.topic_ul{
  display: none;
}
.topic_ul>li{
  font-size: 12px;
  color: #737373;
  padding: 10px 18px;
  cursor: pointer;

}

.topic_right .title{
  display: inline-block;
  font-size: 22px;
  margin: 0;
  padding-bottom: 12px;
  position: relative;
}
.topic_right .title::after{
  content: '';
  width: 8px;
  height: 28px;
  background-color: #048ffc;
  position: absolute;
  left: -29px;
  top: 0;
}
.topic_right{
  width: 940px;
  padding:20px 28px;
  border-radius: 16px;
  border:1px #d2d2d2 solid;
}
.topic_number{
  font-size: 12px;
  color: #727272;
  font-weight: 600;
}

.topic_right_lsit{
  margin: 15px 0;
}
.topic_right_lsit_title{
  font-size: 16px;
  font-weight: 600;
}
.topic_right_ul>li{
  width: 224px;
  min-height: 84px;
  border-radius: 15px;
  margin: 10px 50px 10px 0;
  padding: 16px 20px;
  background-color: #f7f8fb;
  position: relative;
  overflow: hidden;
}
.topic_right_ul h6{
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
}
.topic_right_ul .topic_number{
  position: relative;
  left: -4px;

}

.topic_right_ul>li>.mask{
  width: 224px;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: rgba(0,0,0,0.5);
  z-index: 2;
  display: none;
}
.topic_right_ul>li:hover .mask{
  display: flex;
}
.topic_right_ul>li>.mask>a{
  width: 88px;
  height: 32px;
  line-height: 32px;
  background: #048ffc;
  border-radius: 16px;
  text-align: center;
  font-size: 14px;
  color: #fff;
  text-decoration: none;
}