html,body{
    height: 100%;
}
body{
    position: relative;
    background: url("/resources/site/images/video/bg.jpg") no-repeat top center/cover;
    text-align: center;
    overflow: hidden;
}
.box{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);

}

.logo{
    width: 256px;
    height: 76px;
    margin: 50px auto 40px;
    background:url("/resources/site/images/video/logo.png") no-repeat center center;
}
.txt1{
     display: inline-block;
     margin: auto;
     font-weight: 600;
 }
.txt1 p{
    display: inline-block;
    vertical-align: middle;
    line-height: 30px;
    font-size: 20px;
    letter-spacing: 2px
}
.txt1 i{
    display: inline-block;
    width: 58px;
    height: 23px;
    vertical-align: middle;
    background:url("/resources/site/images/video/lbn_03.png") no-repeat center center;
}
.txt1 i:nth-child(3){
    background:url("/resources/site/images/video/lbn_05.png") no-repeat center center;
}
.videoBox{
    position: relative;
    width: 1093px;
    height: 712px;
    margin:10px auto;
    background: url("/resources/site/images/video/bg.png") no-repeat 0 0/cover;

}
.videoBox .vb{
    position: absolute;
    top: 45px;
    left: 42px;
    width: 1007px;
    height: 518px;
    overflow: hidden;
}
.videoBox .vb .bofang{
      display: block;
      width: 80px;
      height: 80px;
      position: absolute;
      bottom: 20px;
      left: 20px;
    border-radius: 50%;
    overflow: hidden;
  }
.videoBox .vb .bofang img{
    width: 100%;
    height: 100%;
    display: inline-block;
}
.videoBox video{
    position: absolute;
    top: -30px;
    left: 0;
    width: 1007px;
    height: 567px;
}
.videoBox .txt2{
    position: absolute;
    bottom: 96px;
    left: 0;
    width: 100%;
    font-size: 20px;
    text-align: center;
}