body {
  font-family:Microsoft YaHei;
  background-color: #f2f2f2;
}

.content3 {
    background-color: #f2f2f2;
    padding-bottom: 100px;
}
.content3 .subject {
    background: url(/images/202104/cpsj/kc_pic/kc_titleq.png) 0 75% no-repeat;
    padding-left: 400px;
    padding-top: 60px;
    color:#333;
    clear: both;
}
.content3 .subject .subject1{
    padding-left: 30px;
    font-weight:700;
    font-size:48px;
}
.content3 .subject .subject2{
    padding-left: 30px;
    font-weight:400;
    font-size:28px;
    /* line-height: 48px; */
}
.dt img {
    padding-top: 16px;
}
div.bs_show {
      margin: 0 auto;
    margin-top: 120px;
    max-width: 1440px;
   
}
div.bs_show div.outer_div {
       position: relative;
    width: 33.3%;
   
    font-size: 25px;
    float: left;
    margin-bottom: 60px;
}div.bs_show div.outer_div .qbt {
    margin: 0 19px;
    background: #fff;    padding: 12px;
}
div.bs_show div .in_div{
    padding-top: 56%;
    background-color: #efefef;
    position: relative;
    overflow: hidden;
}
div.bs_show div .in_div a {
    overflow: hidden;
    margin: 0;
}
div.bs_show div .in_div img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    max-width: 100%;
    transition: all 0.4s ease-in-out;
}

div.bs_show div .in_div_author{
   
       font-weight: 400;
    font-style: normal;
    padding: 0;
    text-indent: 1px;
    font-size: 18px;
    color: #333;
    line-height: 24px;
    margin: 5px 0px 5px 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    height: 48px;
}
div.bs_show div .in_div_author .teacher{
    float: right;
    padding-right: 22px;
}

@media screen and (max-width: 999px) {
div.bs_show div.outer_div {
    width: 50%;
}
}
@media screen and (max-width: 479px) {
div.bs_show div.outer_div {
    width: 100%;
}
}