.conter {
  width: 1200px;
  margin: 85px auto;
}
.topBox {
  width: 1200px;
  height: 135px;
  background: url('../../images/study/twobg.png');
  background-size: 100% 100%;
  text-align: center;
  line-height: 135px;
  font-size: 26px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: 5px;
  margin-bottom: 20px;
}
.mainBox {
  width: 1200px;
  background: #FFFFFF;
  box-shadow: 0px 2px 4px 0px rgba(221, 221, 221, 0.4);
  border-radius: 4px;
  padding-top: 3px;
  margin: 20px 0;
}
.mainBox .titMax {
  display: flex;
  justify-content: space-between;
  background: url('../../images/study/titbg.png');
  background-size: 100% 100%;
  width: 1152px;
  height: 62px;
  line-height: 62px;
  padding: 0 15px;
  background: linear-gradient(180deg, #CFE5FA 0%, #E8F3FC 64%, #F5FAFF 100%);
  border-radius: 4px 4px 0px 0px;
  margin: 4px auto;
}
.mainBox .titMax .left {
  width: 1200px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mainBox .titMax .left .iconTit {
  display: inline-block;
  width: 6px;
  height: 20px;
  background: #0088EE;
  border-radius: 2px;
  vertical-align: middle;
  margin-right: 8px;
}
.mainBox .titMax .left .title {
  vertical-align: middle;
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 550;
  color: #333333;
}
.mainBox .titMax .right a {
  display: inline-block;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #999999;
  line-height: 20px;
}
.mainBox .titMax .right a i {
  font-size: 25px;
}
.mainBox .titMax .right a:hover {
  color: #0088EE;
}
.mainBox .list {
  padding: 20px 15px;
}
.mainBox .list .item a {
  display: inline-block;
  width: 100%;
  border-bottom: 1px dotted #EEEEEE;
  line-height: 50px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.mainBox .list .item a .icond {
  display: inline-block;
  width: 32px;
  height: 32px;
  background: #F2F9FF;
  border-radius: 50%;
  margin-right: 15px;
  vertical-align: middle;
}
.mainBox .list .item a .imgbg {
  background: url('../../images/study/img.png');
  background-size: 100% 100%;
}
.mainBox .list .item a .video {
  background: url('../../images/study/video.png');
  background-size: 100% 100%;
}
.mainBox .list .item a .word {
  background: url('../../images/study/word.png');
  background-size: 100% 100%;
}
.mainBox .list .item a .title {
  font-size: 18px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #666666;
  vertical-align: middle;
}
.mainBox .list .item a .title:hover {
  color: #0088EE;
}
.pageBox {
  width: 1200px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  padding: 10px;
}