.cate-height {
  height: 500px;
  
}

#banner {
  width: 920px;
  height: 500px;
  padding-top: 10px;
}

#banner > .left-item {
  width: 590px;
  padding: 0 10px;
}

#banner > .right-item {
  width: 330px;
}

#caroutsel-main{
  width: 100%;
  height: 350px;
  background-color: #e0e0e0;
}

#caroutsel-main .carousel-inner {
  height: 100%;
}

#ad-1 {
  height: 140px;
  margin: 0;
  padding-top: 10px;
}

#ad-1 li {
  width: 183px;
  background-color: #fcfcfc;
}

#carousel-brand {
  background-color: white;
}
#carousel-brand .carousel-item{
  height: 100px;
}
#carousel-brand .carousel-control-prev{
  width: 40px;
}
#carousel-brand .carousel-control-next{
  width: 40px;
}
#carousel-brand .carousel-control-prev-icon{
  background-image: url()
}

#index-user-box {
  background-image: url('https://lankamicro.oss-accelerate.aliyuncs.com/images/logo3.png');
  background-repeat: no-repeat;
  background-size: contain;
}

#index-about{
  background-image: url('https://lankamicro.oss-accelerate.aliyuncs.com/images/theme/robot_ic.jpg');
  background-position: bottom;
  background-repeat: no-repeat;
}

.sp-banner-box {
  width: 570px;
  height: 350px;
  overflow: hidden;
}

@keyframes k_spimg{
  0% {
    left: 0px;
    top: -100px;
  }

  30% {
    left: 0px;
    top: -450px
  }

  50% {
    left: -600px;
    top: -450px;

  }

  75% {
    left: -1200px;
    top: -450px;
  }

  100% {
    left: -1200px;
    top: -100px;
  }

}

.spimg {
  animation: k_spimg 10s;
  animation-iteration-count:infinite;
  position: relative;
  top: -100px;

}