.g_slide {
  position: relative;
  
  overflow: hidden;
}

.g_slide .item {
  display: none;
  position: absolute;
  left: 0;
  top: 0;
}

.switch_main { position: relative; }

.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: #eb6100; }

.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; }