*{margin:0;padding:0;font-size: 0;}
html {
    min-width: 320px;
    max-width: 640px;
    margin: 0 auto;
    font-size: 0;
    font-family: "siyuan";
}
body{
    display: none;
    min-width: 320px;
    max-width: 640px;
    margin: 0 auto;
    font-size: 0;
    font-family: "siyuan";
}
img{display: block}
.banner_box2{
    width:100%;
    min-width: 320px;
    max-width: 640px;
    max-height:700px ;
    min-height:86%;
    position:absolute;
    top:5.1%;
    left:0;
    margin:0 auto ;

}
.banner_box2 div.wrap2 {
    width: 100%;
    /*绝对居中*/
    height: 100% !important;
    position: absolute;
    top: 0; right: 0; bottom: 0;  left: -2%;
    margin: auto;
}
/*设置图片相关样式*/
.banner_box2 .wrap2.imgs_box2 {
    width: 100%;
    height: inherit;
    position: relative;
}
.banner_box2 ul.imgs_box2 li {
    width: inherit;
    height: inherit;
    /*绝对定位，图片重叠，默认隐藏*/
    position: absolute;
    opacity: 0;
    border-radius: 6px;
    /* border: solid 1px #67a6c7;*/
}
.banner_box2 ul.imgs_box2 li img {
    width: 100%;
    opacity: 0.87;
}

/*设置指示器相关样式*/
.idots-boxB{
    width:100%;
    height: 6%;
    position: absolute;
    right: 0; bottom:0;  left: 0;
    margin: 0 auto;

}
ul.idots_box_B {
    width: 100%;
    text-align: center;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 10;
}
ul.idots_box_B .idot-itemB {
    width:14%;
    height:5%;
    margin: 3px;
    display: inline-block;
    cursor: pointer;
    transition: background .25s linear;
}

ul.idots_box_B li.active_B {
    width:14%;
    height:5%;
    margin: 3px;
    -webkit-transform: scale(1.03);
    -moz-transform: scale(1.03);
    -ms-transform: scale(1.03);
    -o-transform: scale(1.03);
    transform: scale(1.03);
}
ul.idots_box_B .idot-itemB img{
    width:100%;
}
 .weixuanzhong{
    display: inline-block ;
}
.xuanzhong{
    display: none ;
}
 .active_B .weixuanzhong{
    display: none;
}
 .active_B .xuanzhong{
    display: inline-block ;
}