body {
  background-color: #fff;
}



.sj-class {
  display: none;
}


@media only screen and (max-width: 480px) {
  .pc-class {
    display: none;
  }

  .sj-class {
    display: block;
    margin: 0 8px;
    padding: 0;
  }

  .js-pic {
    min-width: 50%;
    min-height: 100%;
    margin: 0 auto;
    height: 100%;
    display: block;
    overflow: hidden;
  }

  .sj-leixing-title {
    height: 100px;
  }

  .sj-leixing-content {
    margin: 0 12px;
  }

  .sj-leixing-ul {
    margin: 10px 0;
    padding: 0;
  }

  .sj-leixing-li {
    width: 31%;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border: 1px solid #fff;
    border-radius: 20px;
    color: #B3B3B3;
    background-color: #F2F4F4;
    display: inline-block;
  }

  .sj-leixing-item {
    color: #fff;
    background-color: #BF0000;
  }

  .sj-haoneirong, .sj-pinpai, .sj-zhiku {
    display: none;
  }

  .sj-show {
    display: block;
  }

  .js-leixing-cont {
    margin: 20px 0;
    padding: 30px 20px 0 20px;
    border: 1px solid #BF0000;
    border-radius: 12px;
  }

  .js-cont-title {
    text-align: center;
    margin: 10px 0;
    position: relative;
  }

  .js-cont-t {
    font-size: 16px;
    font-weight: 700;
    color: #BF0000;
  }

  .js-cont-i {
    position: absolute;
    width: 50px;
    left: 0;
    bottom: 0;
  }

  .js-cont-p {
    font-size: 12px;
    font-weight: 400;
    margin: 10px 0;
  }

  .js-cont-img {
    height: 100px;
  }
  
  .sj-index-xuanfu {
    width: 120px;
    position: fixed;
    right: -30px;
    bottom: 120px;
    display: none;
  }

  .sj-index-qianyan, .sj-index-leixing, .sj-index-qiye, .sj-index-jiaru {
    padding: 1px 0;
  }

  .sj-index-dian {
    width: 65px;
    height: 65px;
    position: fixed;
    right: 0;
    bottom: 50px;
  }

  .sj-index-lower {
    display: none;
  }

}