._About-intro-container .item {
  margin: 20px auto;
  text-align: center;
}
._About-intro-container .item h2 {
    display: inline-block;
    font-size: 30px;
    font-weight: 400;
    color: #333;
    text-align: center;
    margin: 0 auto 40px;
    position: relative;
}
._About-intro-container .item h2:after {
      content: "";
      display: block;
      position: absolute;
      bottom: -6px;
      height: 3px;
      left: 20%;
      right: 20%;
      background: #00ae66;
}
._About-intro-container .item1 {
  width: 95%;
  max-width: 900px;
}
._About-intro-container .item1 .text {
    text-align: left;
    line-height: 32px;
    font-size: 16px;
    color: #666666;
    margin-bottom: 15px;
}
._About-intro-container .item2 {
  background: #fff;
  padding-top: 80px;
}
._About-intro-container .item2 .content {
    padding: 40px 50px;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}
._About-intro-container .item2 .content .split-line {
      border-top: 1px solid #e8e8e8;
      position: relative;
      height: 8px;
      top: 59px;
}
._About-intro-container .item2 .content .year {
      overflow: hidden;
      text-align: center;
      display: inline-block;
}
._About-intro-container .item2 .content .year li {
        position: relative;
        float: left;
        padding-bottom: 25px;
        font-size: 0;
        cursor: pointer;
}
._About-intro-container .item2 .content .year li .img-active {
          height: 47px;
          width: 19.5px;
          -webkit-transform: translateY(-6px);
                  transform: translateY(-6px);
}
._About-intro-container .item2 .content .year li .down-arrow {
          width: 14px !important;
          height: 8px !important;
          position: absolute;
          bottom: 13px;
          left: 71%;
}
._About-intro-container .item2 .content .year li .down-arrow-first {
          left: 42%;
}
._About-intro-container .item2 .content .year li .none {
          display: none;
}
._About-intro-container .item2 .content .year li .dis-block {
          display: block;
}
._About-intro-container .item2 .content .year li + li {
          padding-left: 75px;
}
._About-intro-container .item2 .content .month-ul {
      text-align: center;
      overflow: hidden;
      display: inline-block;
}
._About-intro-container .item2 .content .month-ul li {
        margin-top: 20px;
}
._About-intro-container .item2 .content .month-ul li .month {
          font-size: 0px;
          color: #505050;
          font-weight: 700;
}
._About-intro-container .item2 .content .month-ul li .month img {
            height: 32px;
            width: 13.5px;
}
._About-intro-container .item2 .content .month-ul li .month-content {
          margin-top: 4px;
          color: #505050;
          font-size: 14px;
          font-family: PingFangSC-Regular;
}
._About-intro-container .item3 {
  padding-top: 80px;
}
._About-intro-container .item3 .album-list {
    max-width: 750px;
    width: 100%;
    margin: 20px auto 40px;
}
._About-intro-container .item3 .album-list li {
      float: left;
      max-width: 250px;
      width: 33.333%;
      text-align: center;
      padding: 20px 0 30px;
}
._About-intro-container .item3 .album-list li i {
        width: 120px;
        height: 120px;
        display: block;
        margin: 0 auto 10px;
        background-image: url(../img/aboutsprite.b8db7199.png);
        transition: all ease-in-out 0.2s;
}
._About-intro-container .item3 .album-list li i:hover {
          -webkit-transform: scale(0.7) rotate(1440deg);
                  transform: scale(0.7) rotate(1440deg);
}
._About-intro-container .item3 .album-list li span {
        color: #333;
        font-size: 18px;
}
._About-intro-container .item3 .album-list .cjkh i {
      background-position: 0 0;
}
._About-intro-container .item3 .album-list .ygcz i {
      background-position: -250px 0;
}
._About-intro-container .item3 .album-list .zrwjs i {
      background-position: -250px -124px;
}
._About-intro-container .item3 .album-list .tlx i {
      background-position: -125px -125px;
}
._About-intro-container .item3 .album-list .jjqz i {
      background-position: 0 -125px;
}
._About-intro-container .item3 .album-list .jjgszz i {
      background-position: -125px 0;
}
@media (max-width: 640px) and (min-width: 0) {
._About-intro-container {
    margin-top: -40px;
}
._About-intro-container .item1 .text {
      font-size: 14px;
}
._About-intro-container .item3 .album-list li i {
      zoom: 0.6;
}
._About-intro-container .item2 {
      padding-top: 30px;
}
._About-intro-container .item2 .content {
        padding-top: 0px;
}
._About-intro-container .item2 .content .split-line {
          top: 50px;
}
._About-intro-container .item2 .content .year li img {
          width: 10px;
}
._About-intro-container .item2 .content .year li .img-active {
          width: 10px;
          height: 38px;
}
._About-intro-container .item2 .content .year li .down-arrow {
          left: 56%;
}
._About-intro-container .item2 .content .year li .down-arrow-first {
          left: 38%;
}
._About-intro-container .item2 .content .year li + li {
          padding-left: 15px;
}
}