@media screen and (max-width: 768px) {
  .col-xs-12 {
    padding: 0px;
    margin: 0px;
  }
  .x-listimg li {
    max-width: 768px;
  }
  .x-listimg li img {
    width: 100%;
  }
  .videoplay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
  }
  .videoplay img {
    width: 100%;
  }
  .container-fluid {
    padding: 0px;
    margin: 0px;
  }
  .txp_shadow {
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10;
  }
  .x-shadow {
    margin: auto;
    position: absolute;
    z-index: 3;
    left: 0;
    top: 20%;
    width: 100%;
    height: 100%;
  }
  .x-shadow video {
    width: 100%;
  }
  .x-newvideo {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
  }
  .x-videocolse {
    right: 0;
    width: 40px;
    height: 40px;
    position: absolute;
    top: 66px;
    color: #fff;
    z-index: 9999;
  }
  .x-imgbdc {
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-position: center 0px;
    background-size: auto 100%;
    background-color: transparent;
    width: 100%;
    height: 420px;
  }
}
@media screen and (max-width: 414px) {
  .x-imgbdc {
    background-repeat: no-repeat;
    background-attachment: scroll;
    background-position: center 0px;
    background-size: auto 100%;
    background-color: transparent;
    width: 100%;
    height: 280px;
  }
}
@media screen and (min-width: 768px) {
  .col-xs-12 {
    padding: 0px;
    margin: 0px;
  }
  .container-fluid {
    padding: 0px;
    margin: 0px;
  }
  .x-video {
    margin: 0 auto;
    width: 1200px;
  }
}
.x-listimg li {
  margin: 0 auto;
  background-color: black;
}
.x-listimg li img {
  width: 100%;
}