.banner_box {
    position: relative;
}

.banner {
    width: 100%;
    height: 600px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.banner11 {
    display: none;
}

.imgbox {
    width: 100%;
    height: 600px;
    position: relative;
    overflow: hidden;
}

.img {
    position: absolute;
    display: none;
    left: 50%;
    margin-left: -960px;
    display: inline;
}

.im {
    display: block;
}

.change {
    height: 100px;
    display: block;
    position: absolute;
    z-index: 20;
    opacity: 0.4;
    transition: 0.4s;
    top: 50%;
    margin-top: -50px
}

.change:hover {
    opacity: 1;
}

.pre {
    left: 1%;
}

.next {
    right: 1%;
}

.cirbox {
    width: 88px;
    position: absolute;
    bottom: 15px;
    z-index: 10;
    left: 50%;
    margin-left: -20px;
    cursor: pointer;
}

.cir {
    width: 12px;
    height: 12px;
    background-color: white;
    opacity: 0.4;
    float: left;
    border-radius: 6px;
    margin: 0 5px 0 5px;
    cursor: pointer;
}

.cir:hover {
    background-color: cyan;
    transition: 0.8s;
}

.cr {
    opacity: 1;
}

.cr:hover {
    background-color: white;
}

#slider {
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.controls li {
    top: 50%;
    margin-top: -30px
}

.controls li:nth-child(1) {
    left: 0;
}

.controls li:nth-child(2) {
    right: 0;
}

.pagination li {
    background-color: #ddd;
}

.pagination li.active {
    background-color: #000;
}

.responsive {
    width: 100%;
    height: auto;
}

.clearfix:after {
    content: "";
    display: table;
    clear: both;
}

#slider {
    display: none;
}


/* 移动端页面 */

.footer_tel {
    width: 100%;
    height: 80px;
    background: rgba(0, 0, 0, 0.6);
    position: fixed;
    bottom: 0;
    left: 0;
    display: flex;
}

.footer_tel .footer_tr {
    display: flex;
}

.footer_tel .telspan {
    width: 94%;
    height: 60px;
    background-color: #ffba1e;
    border-radius: 15px;
    margin: 10px auto;
    position: relative;
}

.footer_tel .footer_tel_a {
    position: absolute;
    top: 3px;
    left: 38%;
}

.telspan img {
    width: 50px;
    height: 50px;
    float: left;
    position: absolute;
    top: 5px;
    left: 13%;
}

.footer_tel_a .telspan_a {
    font-size: 18px;
    color: #FFF;
}

.footer_tel_a .telspan_b {
    color: #FFF;
    font-size: 22px;
    font-weight: bold;
}

.footer_tel {
    display: none;
}

@media screen and (max-width:640px) {
    .banner {
        display: none;
    }
    #slider {
        display: block;
    }
    .banner11 .imgbox img {
        width: 100%;
    }
    .banner11 {
        width: 100%;
        overflow: hidden;
    }
    .footer_tel {
        display: block;
    }
}