.video-main {
  padding-top: 80px;
  box-sizing: border-box;
}

.video-main *{
  box-sizing: border-box;
}

.wrap{
  max-width: 1440px;
  min-width: 320px;
  margin: 0 auto;
}

.center-title {
  font-size: 32px;
  font-weight: bold;
  text-align: center;
  color: #333333;
  margin-bottom: 20px;
}

.item {
  margin-bottom: 20px;
}

.tit-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.tit-box .com-tit {
  font-size: 22px;
  font-weight: bold;
  color: #333;
}

.tit-box .more {
  position: relative;
}

.tit-box .more .text {
  line-height: 40px;
  font-size: 18px;
  color: #666;
}

.tit-box .more .text .iconfont {
  margin-left: 5px;
}

.tit-box .more ul {
  display: none;
  position: absolute;
  z-index: 99;
  left: 50%;
  top: 40px;
  width: 215px;
  transform: translateX(-50%);
  background: #fff;
  box-shadow: 0px 3px 7px 0px rgba(0, 0, 0, 0.35);
}

.tit-box .more li {
  padding: 5px 10px;
}

.tit-box .more li:hover {
  background-color: #febd01;
}

.tit-box .more li:hover a {
  color: #fff;
}

.tit-box .more:hover .text {
  color: #febd01;
}

.tit-box .more:hover ul {
  display: block;
}

.list ul {
  display: flex;
  flex-wrap: wrap;
}

.list li {
  width: 32%;
  margin-right: 2%;
  margin-bottom: 30px;
}

.list li:nth-child(3n) {
  margin-right: 0;
}

.list li:hover {
  box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.14);
}

.list .pro-img {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
}

.list .pro-img .img-box {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.list .pro-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list .pro-img .icon-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: 40px;
  color: #fff;
}

.list .pro-title {
  padding: 10px 20px;
}

.list .pro-title a {
  color: #333;
}

@media only screen and (max-width: 1630px) {
  .tit-box .more ul {
    left: auto;
    transform: translateX(0);
    right: 0;
  }
}

@media only screen and (max-width: 1040px) {
    .wrap {
      padding: 0 1rem;
    }
    .center-title {
      padding-top: 3rem;
      font-size: 2rem;
      margin-bottom: 1.5rem;
    }
    .item {
      margin-bottom: 1.5rem;
    }
    .tit-box {
      margin-bottom: 1rem;
    }
    .tit-box .com-tit {
      font-size: 1.6rem;
    }
    .tit-box .more {
      position: relative;
    }
    .tit-box .more .text {
      line-height: 1;
      font-size: 1.5rem;
    }
    .tit-box .more .text .iconfont {
      display: none;
    }
    .tit-box .more:hover .text {
      color: #666;
    }
    .tit-box .more:hover ul {
      display: none;
    }
    .list ul {
      display: flex;
      flex-wrap: wrap;
    }
    .list li {
      width: 100%;
      margin-right: 0;
      margin-bottom: 1.5rem;
      box-shadow: 0px 0px 5px 0px rgba(0, 0, 0, 0.14);
    }
    .list .pro-title {
      padding: 1rem;
    }
    .list .pro-title a {
      line-height: 1.5;
    }

}