.banner_wrap { 
    width: 100%;
    overflow:hidden;
 }
 .banner_content { 
    width: 1920px;
    position: relative;
    left: 50%;
 }
.banner {
    width:1920px;
    height:600px;
    position: relative;
    left: -50%;
}
.banner-bg {
    width:100%;
    position:absolute;
    left:0px; 
    top:0px;
    height:600px;
    display:block;
    overflow:hidden;
}
.banner-bg li {
    width:100%;
    height:600px;
    display:block;
}
.banner-main {
    width: 1920px;
    height: 600px; 
    position: relative;
}
.banner-main li {
    width: 1920px;
    height:600px;
}

.banner .banner_next,
.banner .banner_prev {
  cursor: pointer;
  opacity: 0;
  filter: alpha(opacity=0);
  position: absolute;
  top: 145px;
  -webkit-transition: opacity .15s linear;
     -moz-transition: opacity .15s linear;
      -ms-transition: opacity .15s linear;
          transition: opacity .15s linear;
}

.banner .banner_next {
  right: -50px;
}

.banner .banner_prev {
  left: -50px;
}

.banner:hover .banner_next { opacity: 1; filter: alpha(opacity = 100); }
.banner:hover .banner_prev { opacity: 1; filter: alpha(opacity = 100); }

.banner .banner_menuWrap {
  position: absolute;
  width: 1100px;
  left: 50%;
  top: 72px;
  margin-left: -550px;
  z-index: 100;
}

.banner .banner_menuWrap .banner_menuSet {
  position: absolute;
  width: 100%;
  margin: 0 auto;
  top: 500px;
  text-align: center;
  font-size: 0;
  border-radius: 20px;
}

.banner .banner_menuWrap .banner_menuSet li {
  cursor: pointer;
  margin: 0 3px;
  display: inline;
}
.banner .banner_menuWrap .banner_menuSet li {
  cursor: pointer;
  position: relative;
  display: inline-block;
  width: 12px;
  height: 12px;
  background: rgba(255,255,255,0.6);
  border-radius: 10px; 
  font: 16px/20px "Microsoft yahei";
  text-align: center;
  color: #fff;
  margin: 0 3px;
  overflow: hidden;
}


.banner .banner_menuWrap .banner_menuSet li span {
    width: 12px; 
    height: 12px;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 2;
}

.banner .banner_menuWrap .banner_menuSet li em {
    width: 25px; 
    height: 25px;
    position: absolute;
    left: -25px;
    bottom: 0;
    background: #df1d35;
    z-index: 1;
}

@keyframes btn{
    0% { left: -26px; }
    100% { left: -2px; }
}

.select { background: #df1d35!important; }

.DB_C_1 {
    position:absolute;
    left:526px;
    top:150px;
}

.DB_C_2 {
    position:absolute;
    left:440px;
    top:71px;
}

.DB_C_3 {
    position:absolute;
    left:624px;
    top:30px;
}

.DB_C_4 {
    position:absolute;
    left:350px;
    top:176px;
}

.DB_C_5 {
    position:absolute;
    left:400px;
    top:176px;
}

.DB_C_6 {
    position:absolute;
    left:316px;
    top:152px;
}

.DB_C_7 {
    position:absolute;
    left:415px;
    top:116px;
}

.DB_L_1 {
    position:absolute;
    left:60px;
    top:0px;}
.DB_L_2 {
    position:absolute;
    left:222px;
    top:80px;
    _position:absolute;
}
.DB_L_3 {
    position:absolute;
    top:330px;
    left:502px;
    _position:absolute;
}