.container .content {
  background: url("../img/bc1.png") no-repeat top center #f0f4f7;
  background-size: 100% 100%;
}
.container .content .content_box {
  width: 1500px;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 85px 0 85px;
}
.container .content .content_box .section .con {
  display: flex;
  flex-wrap: wrap;
  margin-top: 60px;
  padding-bottom: 35px;
}
.container .content .content_box .section .con .item {
  width: 32%;
  margin-right: 2%;
  margin-bottom: 45px;
}
.container .content .content_box .section .con .item:nth-child(3n) {
  margin-right: 0;
}
.container .content .content_box .section .con .item .img {
  position: relative;
}
.container .content .content_box .section .con .item .img .btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.container .content .content_box .section .con .item .img .picture {
  width: 100%;
  display: block;
}
.container .content .content_box .section .con .item .img video {
  display: block;
  width: 100%;
}
.container .content .content_box .section .con .item .bottom {
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
  padding: 15px 20px;
}
.container .content .content_box .section .con .item .bottom .right .iconfont {
  font-size: 20px;
}

@media all and (max-width: 1565px) {
  .container .content .content_box {
    width: 100%;
    box-sizing: border-box;
    padding: 65px 7%;
  }
}
@media all and (max-width: 820px) {
  .container .content .content_box .section .con {
    flex-wrap: wrap;
  }
  .container .content .content_box .section .con .item {
    width: 48%;
    margin-bottom: 25px;
    margin-right: 4%;
  }
  .container .content .content_box .section .con .item:nth-child(3n) {
    margin-right: 4%;
  }
  .container .content .content_box .section .con .item:nth-child(2n) {
    margin-right: 0%;
  }
}
@media all and (max-width: 550px) {
  .container .content .content_box .section .con {
    flex-wrap: wrap;
  }
  .container .content .content_box .section .con .item {
    width: 100%;
    margin-right: 0 !important;
    margin-bottom: 25px;
  }
  .container .content .content_box .section .con .item:last-child {
    margin-bottom: 0;
  }
}

/*# sourceMappingURL=studyList.css.map */