/*首页banner*/
.topbanner{
  position:relative;
  height: 791px;
}
.DB_tab25{
   position: absolute;
    width: 100%;
    height: 791px;
    overflow: hidden;
    cursor: pointer;
    top:0;
    z-index: 9
}
.DB_tab25 .DB_bgSet{
   position: relative;
}
.DB_tab25 .DB_bgSet li{
   position: absolute;
    width: 100%;
    display: none;
    height: 791px;
    background-size: 100% 100% !important;
}
.DB_tab25 .DB_imgSet{
   position: absolute;
    width: 1920px;
    margin-left: -860px;
    left: 50%;
}
.DB_tab25 .DB_imgSet .DB_1_1{
   position: absolute;
    top: 300px;
    left: 350px;
}
.DB_tab25 .DB_imgSet .DB_1_2{
   position: absolute;
    top: 480px;
    left: 415px;
}
.DB_tab25 .DB_imgSet .DB_1_3{
}
.DB_tab25 .DB_imgSet .DB_2_1{
   position: absolute;
    top: 250px;
    left: 350px;
}
.DB_tab25 .DB_imgSet .DB_2_2{
   position: absolute;
    top: 420px;
    left: 415px;
}.DB_tab25 .DB_imgSet .DB_2_3{
}
.DB_tab25 .DB_imgSet .DB_3_1{
   position: absolute;
    top: 280px;
    left: 350px;
}
.DB_tab25 .DB_imgSet .DB_3_2{
   position: absolute;
    top: 470px;
    left: 420px;
}
.DB_tab25 .DB_imgSet .DB_3_3{
}
.DB_tab25 .DB_menuWrap{
   position: absolute;
    width: 1600px;
    margin-left: -800px;
    left: 50%;
}
.DB_tab25 .DB_menuWrap .DB_menuSet{
   position: absolute;
    text-align: center;
    width: 100%;
    font-size: 0px;
    top: 650px;
    border-radius: 20px;
}
.DB_tab25 .DB_menuWrap .DB_menuSet LI{
   margin: 0px 3px;
    display: inline;
    cursor: pointer;
}
.DB_tab25 .DB_prev{
   position: absolute;
    display: none;
    top: 400px;
    cursor: pointer;
    left:235px;
}
.DB_tab25 .DB_next{
   position: absolute;
    display: none;
    top: 400px;
    cursor: pointer;
    right:235px;
}
<!--0.00020194053649902-->