.all {
  padding: 4.5% 0;
}

.event .tab {
  margin-top: 60px;
}
.event .tab > div {
  display: none;
  position: relative;
}
.event .tab > div:first-child {
  display: block;
}
.event .img {
  position: relative;
  height: 0;
  padding-bottom: 38.88%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
}
.event .img > img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.event .box {
  position: absolute;
  right: 0;
  width: 520px;
  background: #fff;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  margin-right: 80px;
  padding: 60px;
}
.event .tit {
  line-height: 1;
}
.event .des {
  line-height: 1.875;
  color: #222222;
  margin-top: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
.event .more {
  margin-top: 72px;
}

.vio {
cursor:pointer;
  margin-top: 60px;
  overflow: hidden;
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  background-color: #222222;
}
.vio .vio_bg {
  position: absolute;
  z-index: 2;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
.vio .vio_bg img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.vio .vio_bg::after {
  content: "";
  position: absolute;
  z-index: 2;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
}
.vio .play {
  cursor: pointer;
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  color: #fff;
}
.vio .play div {
  line-height: 1;
  margin-top: 20px;
}
.vio video {
  width: 100%;
  display: block;
}

.recommend {
  margin-top: 5.9%;
}
.recommend .img {
  position: relative;
  height: 0;
  padding-bottom: 73.9%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
  border: 1px solid #eeeeee;
}
.recommend .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  object-fit:cover;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.recommend .img:hover img {
  -webkit-transform: scale(1.05);
      -ms-transform: scale(1.05);
          transform: scale(1.05);
}
.recommend .tit {
  margin-top: 20px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  text-align: center;
}
.recommend .tit a {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  color: #222;
}
.recommend .tit a:hover {
  color: #F00000;
}
.recommend .sub {
  margin-top: 5px;
  color: #888888;
  line-height: 1;
  text-align: center;
}

.training {
  margin-top: 5.9%;
}
.training .img {
  position: relative;
  height: 0;
  padding-bottom: 63%;
  overflow: hidden;
  display: block;
  -webkit-transition: 0.5s;
  transition: 0.5s;
  border: 1px solid #eeeeee;
}
.training .img img {
  position: absolute;
  height: 100%;
  width: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  -o-object-fit: cover;
     object-fit: cover;
}
.training .img:hover {
  -webkit-box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
          box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
}
.training .tit {
  margin-top: 20px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  text-align: center;
}
.training .tit a {
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  color: #222;
}
.training .tit a:hover {
  color: #F00000;
}
.training .sub {
  margin-top: 20px;
  color: #888888;
  line-height: 1;
  text-align: center;
}

.sw {
  margin-top: 60px;
  position: relative;
}

.prev {
  left: -55px;
}

.next {
  right: -55px;
}

.point {
  display: none;
}

@media screen and (max-width: 1600px) {
  .event .tab {
    margin-top: 35px;
  }
  .event .box {
    margin-right: 50px;
    padding: 40px;
    width: 400px;
  }
  .event .des {
    margin-top: 15px;
  }
  .event .more {
    margin-top: 40px;
  }
  .vio {
    margin-top: 4%;
  }
  .sw .tit {
    margin-top: 15px;
  }
  .sw {
    margin-top: 35px;
  }
}
@media screen and (max-width: 1200px) {
  .event .tab {
    margin-top: 25px;
  }
  .event .box {
    padding: 30px;
    width: 350px;
  }
  .sw {
    margin-top: 25px;
  }
  .prev {
  left: -40px;
}

.next {
  right: -40px;
}
}
@media screen and (max-width: 768px) {
  .all {
    padding: 40px 0;
  }
  .event .box {
    position: relative;
    -webkit-transform: inherit;
        -ms-transform: inherit;
            transform: inherit;
    top: 0;
    width: 100%;
    margin-right: 0;
    padding: 25px 0 0;
  }
  .event .des {
    margin-top: 10px;
  }
  .event .more {
    margin-top: 25px;
  }
  .vio {
    margin-top: 30px;
  }
  .vio .play svg {
    width: 40px;
    height: 40px;
  }
  .recommend {
    margin-top: 40px;
  }
  .training {
    margin-top: 40px;
  }
  .sw .point {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin-top: 20px;
  }
  .sw_clk {
    display: none;
  }
}