body {
  /* width: 100vw;
  height: 100vh;
  overflow:hidden;
  background:#000; */
}
#canvas {
  display: block;
  width: 100%;
  height: 100%;
  background: #000000;
}

.bg_ptys {
  background: url(/images/bg-ptys.jpg) no-repeat center top/cover;
  
}

.dataSecurity {
  margin-top: -1px;
}
/* url(../images/bg_lxdt.png) */
.dynamic {
  /* background: #e6e7ec no-repeat center top/cover; */
  background: url(../images/bg-index-sjaq.jpg) no-repeat center/cover;
}

.dynamic .zonghe {
  color: #000000;
}

.loading_mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #fff;
  z-index: 10000;
}

.loading_mask .loading_img {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
}