@media (min-width: 992px) {
    .gallery-top {
        height: 612px;
      }
      .big-banner-item {
        height: 756px;
      }
      .m-t-150{
          margin-top: 150px;
      }
      .mt-t-66{
          margin-top: 66px;
      }
      .m-b-128{
          margin-bottom: 128px;
      }
      .p-r-56 {
        padding-right: 56px;
      }
  }
  .banner-box .por_abs{
    position: absolute ;
    bottom: 50px ;
    right: 50px ;
  }
  .por_abs a{
    display: inline-block;
    width: 115px;
    height: 44px;
    line-height: 44px;
    background: #000;
    color: #fff;
    text-align: center;
    margin: 0 12px;
  }
  .action-btn {
    width: 142px;
    height: 54px;
    background: #191919;
    font-size: 18px;
    color: #FFFFFF; 
    text-align: center;
    line-height: 54px; 
  }
  @media (max-width: 991px) {
    .gallery-top {
        height: 412px;
      }
      .big-banner-item {
        height: 456px;
      }
      .m-t-150{
          margin-top: 50px;
      }
      .mt-t-66{
          margin-top: 26px;
      }
      .m-b-128{
          margin-bottom: 68px;
      }
  }
  @media (max-width: 375px) {
    .gallery-top {
        height: 256px;
      }
      .big-banner-item {
        height: 256px;
      }
      .m-t-150{
          margin-top: 30px;
      }
      .mt-t-66{
          margin-top: 16px;
      }
      .m-b-128{
          margin-bottom: 48px;
      }
      .p-l-40 {
          padding-left: 15px;
      }
      .action-btn {
        width: 102px;
        height: 44px;
        line-height: 44px;
        font-size: 14px;
      }
      .btn-box {
          text-align: center;
      }
  }
.hidden {
    overflow: hidden;
}
.thumbs-item {
    height: 100%;
    max-width: 100%;
}

.goods-show {
    height: 613px;
}

.min-swiper {
    height: 72px !important;
}
html, body {
    position: relative;
    height: 100%;
  }
  body {
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color:#000;
    margin: 0;
    padding: 0;
  }
  .swiper-slide {
    background-size: cover;
    background-position: center;
  }
  .gallery-top {
  
    width: 100%;
  }
  .gallery-thumbs {
    height: 20%;
    box-sizing: border-box;
    padding: 24px 0 0 0;
  }
  .gallery-thumbs .swiper-slide {
    height: 100%;
    opacity: 0.4;
  }
  .gallery-thumbs .swiper-slide-thumb-active {
    opacity: 1;
  }
  .title-bor {
      border-bottom: 2px solid #676767;
      padding-bottom: 16px;
  }
  .characteristics{
    font-size: 20px;
    color: #B3B3B3;
  }
  .args{
    font-size: 20px;
    font-weight: bold;
    color: #1A1A1A;
  }
  .introduce .list-item{
      list-style: disc;
      color: #A31313;
  }
  .introduce {
      padding-left: 34px;
      padding-top: 34px;
  }
  .item-text {
    font-size: 18px;
    color: #333333;
  }

  .big-title {
    font-size: 24px;
    font-weight: bold;
    color: #A31313;
  }