.opreationBox {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-top: 100px;
}
.opreationBox .coverImg {
  display: block;
  width: 100%;
  height: 424px;
  -o-object-fit: cover;
     object-fit: cover;
  margin-top: 34px;
}
.opreationBox .watchBtn {
  display: inline-block;
  height: 36px;
  line-height: 36px;
  padding: 0 12px;
  color: #999;
  font-size: 18px;
  border-radius: 2px;
  border: 1px solid #CCCCCC;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  margin-left: 40px;
  margin-top: 44px;
}
.opreationBox .watchBtn:hover {
  color: #047E41;
  border-color: #047E41;
}
.opreationBox .title {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0 40px;
  font-size: 26px;
  font-weight: bold;
  letter-spacing: 2px;
  background: url(../image/jiantou_right.png) no-repeat right 40px center;
  background-size: 32px 32px;
}
.opreationBox .item {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 60px 28px 30px;
  background-color: #F8F8F8;
  cursor: pointer;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.opreationBox .item:hover {
  -webkit-transform: translateY(-10px);
          transform: translateY(-10px);
}

.bannerBox {
  height: 540px;
  position: relative;
}
.bannerBox .text {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 458px;
  height: 90px;
}
.bannerBox .bg {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}