@charset "UTF-8";
/* 主体 */
.main-top {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.main-top .video1 {
  width: 100%;
  z-index: 1;
}

.slide {
  width: 30px;
  height: 57px;
  position: absolute;
  bottom: 62px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  z-index: 2;
}

.slide .s_line {
  width: 2px;
  height: 32px;
  background-color: #fff;
  border-radius: 2px;
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -1px;
  -webkit-transform-origin: 50% 100%;
          transform-origin: 50% 100%;
  -webkit-transform: rotateX(0deg);
          transform: rotateX(0deg);
}

.slide .s_line {
  -webkit-animation: s_line-a 3s .3s linear both infinite;
          animation: s_line-a 3s .3s linear both infinite;
}

.slide span {
  display: block;
  font-size: 12px;
  color: #fff;
  letter-spacing: 2px;
  position: absolute;
  bottom: 0;
  left: 1px;
}

@-webkit-keyframes s_line-a {
  0% {
    height: 32px;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 1;
  }
  20% {
    height: 32px;
    -webkit-transform: rotateX(90deg);
            transform: rotateX(90deg);
    opacity: 1;
  }
  30% {
    height: 32px;
    -webkit-transform: rotateX(90deg);
            transform: rotateX(90deg);
    opacity: 0;
  }
  31% {
    height: 0;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 0;
  }
  50% {
    height: 32px;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 1;
  }
  100% {
    height: 32px;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 1;
  }
}

@keyframes s_line-a {
  0% {
    height: 32px;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 1;
  }
  20% {
    height: 32px;
    -webkit-transform: rotateX(90deg);
            transform: rotateX(90deg);
    opacity: 1;
  }
  30% {
    height: 32px;
    -webkit-transform: rotateX(90deg);
            transform: rotateX(90deg);
    opacity: 0;
  }
  31% {
    height: 0;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 0;
  }
  50% {
    height: 32px;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 1;
  }
  100% {
    height: 32px;
    -webkit-transform: rotateX(0deg);
            transform: rotateX(0deg);
    opacity: 1;
  }
}