.content3 {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.content3 .bg {
  width: 100%;
}
.content3 > div {
     text-align: center;
    /* position: absolute; */
    left: 0;
    right: 0;
    /* top: -10px; */
    bottom: 0;
    margin: 15% auto;
    height: 170px;
}
.content3 .icon {
  width: 90px;
  margin: 0 auto;
}
.content3 .icon img {
  width: 100%;
}
.content3 p {
  font-size: 32px;
  color: #fff;
  margin-bottom: 36px;
}
.content3:hover .icon img {
  -webkit-animation: pulsate-fwd 0.8s ease-in-out infinite both;
  animation: pulsate-fwd 0.8s ease-in-out infinite both;
}
.video-cover {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 9999;
}
.video-cover .mask {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  opacity: 0.8;
  filter: alpha(opacity=80);
}
.video-cover video {
  width: 980px;
  position: absolute;
  left: 0;
  right: 0;
  top: -2000px;
  bottom: 0;
  margin: auto;
}
@-webkit-keyframes pulsate-fwd {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  50% {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@keyframes pulsate-fwd {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  50% {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
  }
  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}
@-webkit-keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}
@keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}
@-webkit-keyframes tracking-out-contract {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
}
@keyframes tracking-out-contract {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 1;
  }
  100% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
}
@-webkit-keyframes heartbeat {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-transform-origin: center center;
    transform-origin: center center;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  10% {
    -webkit-transform: scale(0.91);
    transform: scale(0.91);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  17% {
    -webkit-transform: scale(0.98);
    transform: scale(0.98);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  33% {
    -webkit-transform: scale(0.87);
    transform: scale(0.87);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  45% {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
}
@keyframes heartbeat {
  from {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-transform-origin: center center;
    transform-origin: center center;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  10% {
    -webkit-transform: scale(0.91);
    transform: scale(0.91);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  17% {
    -webkit-transform: scale(0.98);
    transform: scale(0.98);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  33% {
    -webkit-transform: scale(0.87);
    transform: scale(0.87);
    -webkit-animation-timing-function: ease-in;
    animation-timing-function: ease-in;
  }
  45% {
    -webkit-transform: scale(1);
    transform: scale(1);
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
}