.lazy {
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  will-change: opacity;
  /* 优化动画性能 */
}
.lazy.lazy-loaded {
  opacity: 1;
}
.blur {
  filter: url(blur.svg#blur);
  -webkit-filter: blur(3px);
  -moz-filter: blur(3px);
  -ms-filter: blur(3px);
  filter: blur(3px);
  filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius=3, MakeShadow=false); /* IE6~IE9 */
}
.wh100{
  width:100%;
  height:100%;
}
.thumb-img-blur{
  width: 100%;
  height:100%;
  position: relative;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  overflow:hidden;
}
.thumb-img-blur:after{
  content: "";
  display: block;
  width: 100%;
  z-index: -1;
  position: relative;
  padding-top: 56.25%;
}
.thumb-img-blur .blursvg{
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
}
.thumb-img-blur .thumb-img-a a{
  display: block;
  width: 100%;
  height: 100%;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  position: absolute;
}
.index-lunbo .thumb-img-blur:after{
  padding-top:450px;
}