.main-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: space-between;
  padding: 10px;
  box-sizing: border-box;
}

#video-container {
  width: calc(100% - 310px);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.right-container {
  width: 300px;
  height: 100%;
  overflow: auto;
}

#video-container .video-box {
  background-color: #000;
  position: relative;
}

#video-container .video-box .tips {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  z-index: 1;

}
#video-container .video-box .tips .deviceoffline{
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

#video-container .video-box canvas {
  position: absolute;
}

#video-container.one-video .video-box {
  width: 100%;
  height: 100%;
}

#video-container.four-video .video-box {
  width: calc(50% - 2px);
  height: calc(50% - 2px);
}

#video-container.four-video .video-box:nth-child(1) {
  margin-bottom: 4px;
}

#video-container.four-video .video-box:nth-child(1) {
  margin-bottom: 4px;
}

.video-box .title-container {
  position: absolute;
  top: 0;
  width: 100%;
  height: 40px;
  background-color: rgb(73 162 238 / 45%);
  color: #00faff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
  box-sizing: border-box;
  z-index: 1;
}

.video-box .title-container .alg {
  width: 300px;
  position: relative;
}

.video-box .title-container ul {
  display: none;
  background-color: rgb(131 186 233 / 45%);
}

.video-box .title-container:hover ul {
  display: block;
  position: absolute;
  top: 30px;
  left: 40px;
  max-height: 300px;
  overflow: auto;
}

.video-box .title-container:hover ul li {
  width: 100%;
  height: 32px;
  box-sizing: border-box;
  padding: 5px;
  cursor: pointer;
}


/* 加载中 */
.icon-dot {
  position: relative;
  display: block;
  border-radius: 50%;
  background-color: #39f;
  width: 40px;
  height: 40px;
  animation: ani-spin-bounce 1s 0s ease-in-out infinite;
}

@keyframes ani-spin-bounce {
  0% {
    transform: scale(0);
  }

  100% {
    transform: scale(1);
    opacity: 0;
  }
}

.layui-tree-main{
  position: relative;
}