/*灰遮罩*/
.layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  z-index: 9;
}

.layer .cover {
  display: block;
}

.layer .close {
  width: 24px;
  height: 24px;
  display: block;
  position: absolute;
  top: 16px;
  right: 16px;
  background: url(../images/common/close.png) no-repeat;
  opacity: 1;
}

.layer .layer-box {
  position: absolute;
  top: 15%;
  left: 15%;
  width: 70%;
  height: 70%;
}
.cover {
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.5;
  filter: alpha(opacity=50);
  text-indent: -1000px;
  overflow: hidden;
  transition: all 0.7s ease;
  -webkit-transition: all 0.7s ease;
}
.cloudWise-video{
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 640px) {
  .layer .layer-box{top:35%; height:35%;}
}