.main{
  padding-bottom: 7.8125vw;
}
.study_img{
  padding-bottom: 2.08333vw;
  border-bottom: 1px solid #e6e6e6;
  margin-bottom: 0;
}
.study_img .active1{
  box-sizing: border-box;
  border: 0.2vw solid #cc0000;
  position: relative;
}
.study_img a:hover{
  transform: scale(1.1);
  transition: 0.3s transform ease-out;
}
.study_img .active1 .this{
  background: url(../images/sanjx.png) no-repeat;
  background-size: cover;
  width: 0.8em;
  height: 0.7em;
  position: absolute;
  bottom: -0.8em;
  left: 50%;
  transform: translateX(-50%);
}

.study li{
  display: flex;
}
.date_bg{
  background: #ececec;
  color: black;
  padding: 0.26041vw;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.study .cont_title{
  left: 6vw;
}
.study .cont_read{
  color: #bdbdbd;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
.cont_read .eye{
  display: inline-block;
  width: 16px;
  height: 11px;
  background: url(../images/yanj.png) no-repeat;
}
.study li:hover .date_bg{
  color: red;
  transition: 0.3s ease;
}
.study li:hover .eye{
  background: url(../images/yanj_red.png) no-repeat;
}

/* 移动端 */
@media screen and (max-width: 980px) {
  .date_bg{
    width: 15vw;
    height: 15vw;
  }
  .study .cont_title{
    left: 20vw;
  }
  
  .study_img{
    display: flex;
    justify-content: space-between;
    padding-bottom: 7vw;
  }
  .study_img a:hover{
    transform: scale(1);
  }
  .study_img a{
    width: 24%;
    height: 15vw;
    margin-top: 1vw;
    font-size: 10px;
  }
  .friend_link ul{
    width: 100%;
  }
  .friend_link a{
    padding: 2vw 0;
    flex: 0 0 25%;
    text-align: center;
  }

  .study_img .active1 .this{
    width: 0.7em;
    height: 0.5em;
    bottom: -0.6em;
  }
}