.bottom{
    width: 100%;
    height: 4.1rem;
    bottom: 1px solid #323232;
    background: #202020;
}
.bottom_center{
    width: 15rem;
    height: 4.1rem;
    margin: 0 auto;
}
.bottom_box1{
    width: 4.5rem;
    height: 3.1rem;
    border-right: 1px solid #323232;
    float: left;
    
}
.bottom_box2{
       width: 5.2rem;
    height: 3.1rem;
    border-right: 1px solid #323232;
    float: left;
    margin-left: 0.7rem;
    padding-right: 0.5rem;
}
.bottom_box3{
    width: 3rem;
    height: 3.1rem;
    float: left;
    margin-left: 0.5rem;
}
.bottom_title1{
    font-size: 0.3rem;
    position: relative;
    text-indent: 0.1rem;
    color: #fff;
    font-family: pb;
    margin-bottom: 0.2rem;
}
.bottom_box1 .swiper_list li{
      padding: 0px !important;
    margin-top: 0px !important;
    font-size: 0.18rem;
    height: auto;
    line-height: 0.5rem;
    color: #9c9c9c;
    background: content-box;
    
}
.bottom_box1 .swiper_list li img{
    margin-right: 0.1rem;
}
.bottom_box2 .swiper_list li{
    padding: 0px !important;
    margin-top: 0px !important;
    font-size: 0.2rem;
    line-height: 0.4rem;
    position: relative;
    color: #9c9c9c;
}
.bottom .yuan{
    float: left;
    margin-right: 0.1rem;
    width: 0.32rem;
}
.bottom_box3 .swiper_list li{
    padding: 0px !important;
    margin-top: 0px !important;
    float: left;
    width: 50%;
    font-size: 0.16rem;
    text-align: center;
}
.bottom .yuan2{
    width: 1.27rem;
}
.bottom_logo{
    width: 100%;
    height: 0.8rem;
    background: #202020;
    border-top: 1px solid #323232;
}
.bottom_logo_center{
    width: 15rem;
    height: 0.8rem;
    margin: 0 auto;
    text-align: center;
    line-height: 0.8rem;
    font-size: 0.16rem;
    color: rgba(255, 255, 255, 0.6);
}
.bottom .yuan1{
    float: left;
    margin-top: 0.18rem;
}
.bottom .swiper_list li{
    color: #9c9c9c;
}
.super{
    width: 100%;
    max-width: 19.2rem;
    height: 5.3rem;
    background: url(../rotarydrill/img/530.jpg) no-repeat;
    background-size: 100% 100%;
    margin: 0 auto;
}
.supercenter{
    width: 15rem;
    height: 5.3rem;
    margin: 0 auto;
    position: relative;
}
.supertitle{
    width: 5.75rem;
    height: auto;
    font-size: 0.2rem;
    line-height: 0.36rem;
    text-align: left;
    color: #fff;
    position: absolute;
    top: 1.3rem;
    left: 0rem;
}


#bkform3{
    position: fixed;
    z-index: 99999;
    top: 0%;
    display: none;
}

.hint{
  font-size: 0.18rem;
  color: red;
}