/***主顏色***/
:root {
  --bgColor: #FFFFFB;
  --mainColor: #82663A;
}

/***********/
.home {
  background: url(img/banner1.jpg) center no-repeat;
  background-size: cover;
  animation-name: banner;
  animation-duration: 20s;
  animation-iteration-count: infinite;
}

.home .cover {
  background: linear-gradient(to bottom, rgba(255, 255, 251, 0.2) 0%, rgb(255 255 251 / 45%) 50%, rgba(255, 255, 251, 0.2) 100%);
}

.about {
  background: url(img/aboutBg.jpg) center no-repeat fixed;
  background-size: cover;
}

@keyframes banner {
  0% {
    background: url(img/banner1.jpg) center no-repeat;
    background-size: cover;
  }

  28% {
    background: url(img/banner1.jpg) center no-repeat;
    background-size: cover;
  }

  33% {
    background: url(img/banner2.jpg) center no-repeat;
    background-size: cover;
  }

  61% {
    background: url(img/banner2.jpg) center no-repeat;
    background-size: cover;
  }

  66% {
    background: url(img/banner3.jpg) center no-repeat;
    background-size: cover;
  }

  95% {
    background: url(img/banner3.jpg) center no-repeat;
    background-size: cover;
  }

  100% {
    background: url(img/banner1.jpg) center no-repeat;
    background-size: cover;
  }
}


.menu ol {

  justify-content: center !important;

}

.menu ol li {
  justify-content: center !important;
}

.center_btn {
  margin-left: auto;
  margin-right: auto;
}

.item,
img {
  width: 100%;
  height: 100%;
}

@media screen and (max-width:576px) {
  .home {
    display: flex;
    width: 100%;
    height: calc(45vh - 100px);
  }
}