@charset "utf-8";

.course-box {
  width: 100%;
 background: url(../images/develop/max-bg.jpg) no-repeat;
  background-position: bottom;
  background-size: 100% auto;
}

.course {
  
  font-family: Microsoft YaHei-Bold, Microsoft YaHei;
  padding-top: 91px;
  padding-bottom: 91px;
 
  overflow: hidden;
}

/* .img-pc {
  display: block;
}
.img-phone {
  display: none;
} */
.phone-zhan {
  display: none;
}

.course img {
  max-width: 100%;
}

.f20 {
  font-size: 20px;
}

.f28 {
  font-size: 28px;
}

.course .about_t {
  display: flex;
  justify-content: center;
  /* margin-top: 90px; */
}

.course .about_t img {
  width: 20%;
}

.course .about_t_list {
  display: flex;
}

.course .about_t_list li {
  margin-bottom: 30%;
  position: relative;
}

.course .about_t_list li h2 {
  font-weight: bold;
  margin: 20px 0;
  width: 70%;
}
.course .list-right li h2{
    width: 80%;
    margin-left: 24%;
}
.course .about_t_list li p {
  font-size: 13px;
}

.course .about_t_list .picBox {
  position: relative;
  display: inline-block;
}

.course .about_t_list .about_year {
  position: absolute;
  bottom: -8%;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 16%;
}

.course .about_t_list .about_year img {
  position: absolute;
}

.course .about_t_list .about_year span {
  z-index: 5;
  color: #fff;
}

.course .about_t_list .drop {
  width: 4.4%;
  position: absolute;
  top: 28%;
}

.course .about_t_list .list-left {
  width: 50%;
  border-right: 1px dashed #bebebe;
  padding-top: 8%;
  position: relative;
}

.course .about_t_list .list-left .about_year {
  right: -2%;
}

.course .about_t_list .list-left .drop {
  right: -2.2%;
}

.course .about_t_list .list-left li {
  padding-right: 8%;
}

.course .about_t_list .list-left li:last-child {
  margin-bottom: 70px;
}

.course .about_t_list .list-right {
  width: calc(50% - 1px);
  padding-top: 30%;
}

.course .about_t_list .list-right li {
  padding-left: 8%;
  text-align: right;
}

.course .about_t_list .list-right .about_year {
  left: -2%;
}

.course .about_t_list .list-right .drop {
  left: -2.2%;
}

.course .about-pc {
  display: block;
}

.course .about-phone {
  display: none;
}

.course .endimg {
  width: 100%;
  display: flex;
  justify-content: center;
  position: relative;
  top: -33px;
  left: 1%;
}

.course .desc {
  padding-bottom: 6%;
}

.course .desc p {
  font-size: 16px;
  margin-top: 3%;
  text-indent: 2em;
}

.main {
  position: relative;
}

.main .mainbg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: -1;
}

.check-more-content {
  display: none;
}

.check-phone {
  display: none;
}

.check-pc {
  display: block;
  width: 264px;
  height: 76px;
  border-radius: 43px 43px 43px 43px;
  border: 1px solid #093682;
  font-weight: bold;
  font-size: 20px;
  color: #000000;
  line-height: 76px;
  text-align: center;
  margin: 0 auto;
}

@media screen and (max-width: 768px) {
  .f28 {
    font-size: 18px;
  }
}

@media screen and (max-width: 767px) {

  /* .img-pc {
    display: none;
  }
    */
  .img-phone {
    width: 100%;
    margin: 0 auto;
  }

  .check-pc {
    display: none;
  }

  .check-phone {
    display: block;
  }

  .course {
    padding: 1.7rem 0.58rem;
    padding-bottom: 2.6rem;
  }

  .about_t_list {
    display: flex;
    flex-direction: column;
  }

  .course .about_t {
    width: 100%;
    background: #093682;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.58rem 0;
    border-radius: 0.3rem;
  }

  .course .about_t img {
    width: 8.7rem;
    height: auto;
  }

  .course .about_t_list .list-left {
    width: 100%;
  }

  .course .about_t_list .list-left li {
    padding-right: 0;
    padding-left: 0.58rem;
  }

  .course .about_t_list {
    padding-left: 0.6rem;
  }

  .course .about_t_list .list-left {
    border-right: none;
    border-left: 1px dashed #bebebe;
  }

  .course .about_t {
    justify-content: flex-start;
  }

  .course .about_t_list .list-left .drop {
    right: unset;
    width: 0.8rem;
    height: 0.8rem;
    left: -0.4rem;
  }

  .course .about_t_list .list-left .about_year {
    right: unset;
    width: 2.8rem;
    left: -0.4rem;
    bottom: -0.8rem;
  }

  .course .about_t_list .list-right .drop {
    right: unset;
    width: 0.8rem;
    height: 0.8rem;
    left: -0.4rem;
  }

  .course .about_t_list .list-right .about_year {
    right: unset;
    width: 2.8rem;
    left: -0.4rem;
    bottom: -0.8rem;
  }

  .course .about_t_list li h2 {
    margin: 0.5rem 0;
    width: 100%;
  }

  .f20 {
    font-size: 0.65rem;
  }

  .f28 {
    font-size: 0.75rem;
  }

  .zhan-box {
    display: flex;
  }

  .phone-zhan {
    display: block;
    width: 2.6rem;
  }

  .h2-p-box {
    -ms-flex: 1 1 0%;
    /* IE10/11 */
    flex: 1 1 0%;
  }

  .course .about_t_list li {
    margin-bottom: 1.04rem;
  }

  .course .about_t_list .list-right {
    width: 100%;
    padding-top: 0;
    border-left: 1px dashed #bebebe;
    text-align: left;
  }

  .course .about_t_list li p {
    font-size: 0.65rem;
  }

  .course .about_t_list .list-right li {
    text-align: left;
  }

  .check-phone {
    display: block;
    width: 100%;
    height: 2.06rem;
    border-radius: 1.03rem;
    border: 1px solid #093682;
    font-weight: bold;
    font-size: 0.65rem;
    color: #000000;
    line-height: 2.06rem;
    text-align: center;
    margin: 0 auto;
  }

  .course .about-pc {
    display: none;
  }

  .course .about-phone {
    display: block;
  }
}