body {
  background: transparent;
}
.back_img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.lyl .show {
  position: relative;
  width: 88%;
  height: 30.5%;
  cursor: pointer;
  margin: 27.5% auto 0;
}
.lyl .canvas {
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: 1;
}
.lyl .backcanvas {
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: 0;
}
.lyl .showleft {
  height: 100%;
  width: 9%;
}
.lyl .showleft .showitem {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 18%;
}
.lyl .showright {
  width: 53%;
  height: 100%;
}
.lyl .showright .showitem {
  width: 100%;
  height: 18%;
  position: relative;
  z-index: 3;
}
.lyl .showright .showitem p {
  text-indent: 2em;
}
.game_btn_group {
  margin-top: 1%;
}