.live-fixed-box{
  position:fixed;
  display:none;
  padding:61px 27px 20px;
  bottom:80px;
  right:10px;
  background-image:url(https://tkww-static.tkww.hk/column/video/living.png),url(https://tkww-static.tkww.hk/column/video/living-bg.png);
  background-repeat:no-repeat,no-repeat;
  background-position:left 15px top 15px,left 0 top 0;
  background-size:111px auto,100% 100%;
  z-index:199;
}
.live-fixed-box-close{
  position:absolute;
  width:30px;
  right: 12px;
  top: 10px;
  cursor:pointer;
}
.live-fixed-box-inner iframe{
  width:500px;
  height:calc(500px * 9 / 16);
}
@media (max-width:1400px){
  .live-fixed-box{
    padding: 4.5vw 2vw 2vw;
    background-position: left 1vw top 1vw,left 0 top 0;
    background-size: 8vw auto,100% 100%;
  }
  .live-fixed-box-close{
    width: 2.5vw;
    top: 0.5vw;
    right: 0.6vw;
  }
  .live-fixed-box-inner iframe{
    width: 25vw;
    height: calc(25vw * 9 / 16);
  }
}
@media (max-width:1099px){
  .live-fixed-box{
    background-size: 10vw auto,100% 100%;
    padding: 5vw 2vw 2vw;
  }
  .live-fixed-box-inner iframe {
    width: 30vw;
    height: calc(30vw * 9 / 16);
  }
}
@media (max-width:767px){
  .live-fixed-box-inner iframe{
    width: 48vw;
    height: calc(48vw * 9 / 16);
  }
  .live-fixed-box{
    padding: 10vw 4vw 4vw;
    background-size: 18vw auto,100% 100%;
    background-position: left 1.5vw top 2vw,left 0 top 0;
    right:0;
  }
  .live-fixed-box-close{
    width:6vw;
  }
}