  .g_slide {
    position: relative;
    width: 100%;
    height: 324px;
    overflow: hidden;
    z-index: -1;
  }

  @media (min-width: 576px) {
    .g_slide {
      position: relative;
      width: 100%;
      height: 431px;
      overflow: hidden;
      z-index: -1;
    }
  }

  @media (min-width: 768px) {
    .g_slide {
      position: relative;
      width: 100%;
      height: 558px;
      overflow: hidden;
      z-index: -1;
    }
  }

  @media (min-width: 992px) {
    .g_slide {
      position: relative;
      width: 100%;
      height: 674px;
      overflow: hidden;
      z-index: -1;
    }
  }

  @media (min-width: 1200px) {
    .g_slide {
      position: relative;
      width: 100%;
      height: 787px;
      overflow: hidden;
      z-index: -1;
    }
  }
  
  .g_slide .item {
    display: none;
    position: absolute;
    left: 0;
    top: 0;
  }
  
  .switch_main {
    position: relative;
    width: 100%;
  }
  
  .g_slide .switch_nav {
    width: 100%;
    position: absolute;
    right: 0;
    bottom: 10px;
    z-index: 11;
    text-align: center;
  }
  
  .g_slide .switch_nav_item {
    display: inline-block;
    margin: 0 10px 0 0;
    width: 13px;
    height: 13px;
    line-height: 200px;
    overflow: hidden;
    font-size: 0;
    border-radius: 100%;
    background: #b7b7b7;
    text-align: center;
    font-size: 18px;
    color: #fff;
  }
  
  .g_slide .switch_nav_item:hover { text-decoration: none; }
  
  .g_slide .switch_nav_item_current { background: #eda714; }
  
  .g_slide .prev,
  .g_slide .next {
    position: absolute;
    top: 50%;
    z-index: 10;
    margin-top: -15px;
    width: 18px;
    height: 30px;
    overflow: hidden;
    background: url(slide.png) no-repeat;
    transition: margin-left .3s ease, margin-right .3s ease;
  }
  
  .g_slide .prev {
    left: -18px;
    _left: 10px;
  }
  
  .g_slide .next {
    right: -18px;
    _right: 10px;
    background-position: -19px 0;
  }
  
  .g_slide .prev:hover { background-position: 0 -70px; }
  
  .g_slide .next:hover { background-position: -19px -70px; }
  
  .g_slide:hover .prev { margin-left: 28px; }
  
  .g_slide:hover .next { margin-right: 28px; }