.banner {
  height: 462px;
  background: #e4e4e4 url('../img/banner_bg.png') repeat-x;
 /*  overflow-y: hidden; */
  text-align: center;
 
}
 .banner{overflow:hidden;}
 .dg-container {
  width: 100%;
  height: 462px;
  position: relative;
  
  margin: 0 auto;
}
.dg-wrapper {
  width: 1048px;
  height: 462px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -o-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-perspective: 1000px;
  -moz-perspective: 1000px;
  -o-perspective: 1000px;
  -ms-perspective: 1000px;
  perspective: 1000px;
}
.dg-wrapper a {
  width: 1048px;
  height: 462px;
  display: block;
  background: #000;
  position: absolute;
  left: 0;
  top: 0;
}
.dg-wrapper a.dg-transition {
  -webkit-transition: all 0.5s ease-in-out;
  -moz-transition: all 0.5s ease-in-out;
  -o-transition: all 0.5s ease-in-out;
  -ms-transition: all 0.5s ease-in-out;
  transition: all 0.5s ease-in-out;
}
.dg-wrapper a img {
  display: block;
  padding: 0;
}
.dg-wrapper a div {
  font-style: italic;
  text-align: center;
  line-height: 50px;
  text-shadow: 1px 1px 1px rgba(255, 255, 255, 0.5);
  color: #333;
  font-size: 16px;
  width: 100%;
  bottom: -55px;
  display: none;
  position: absolute;
}
.dg-wrapper a.dg-center div {
  display: block;
}
.dg-container .dg-prev,
.dg-container .dg-next {
  position: absolute;
  z-index: 100;
  top: 0;
  height: 462px;
  width: 30%;
  display: block;
  cursor: pointer;
}
.dg-container .dg-prev {
  left: 0;
}
.dg-container .dg-next {
  right: 0;
}