footer{
    width: 100%;
    height: 400px;
    background: #262f40;
    position: relative;
}
footer .con{
    max-width: 1140px;
    height: 100%;
    position: relative;
    margin: auto;
}

footer .con .left{
    position: absolute;
    left: 0;
    top: 60px;
}

footer .con .left .smallTilte{
    color: #fff;
    font-size: 18px;
    line-height: 20px;
    -webkit-text-stroke:1px #979797;
    text-stroke:1px #979797;
}
footer .con .left h3{
    color: #fff;
    font-size: 26px;
    line-height: 40px;
    margin-top: 18px;
}

footer .con .left h3::after{
    content: '';
    display: block;
    width: 50px;
    height:2px;
    background: #ff4400;
    box-shadow:0 1px 2px 0 rgba(255,110,12,0.42);
    border-radius:2px;
    margin-top: 10px;
    }
footer .con .left p{
    color: #ffffff;
    font-size: 16px;
    line-height: 24px;
    margin-top: 10px;
}
footer .con  .kxEvm{
    width: 200px;height: 200px;position: absolute;
    top: 80px;right: 0;
}
footer .bottom{
    position: absolute;
    bottom: 0;
    width: 100%;
    background: #191f2d;
    color: #4f525e;
    font-size: 14px;
    line-height: 50px;
    text-align: center;
}
.goTop{
    position: fixed;
    bottom: 100px;
    right: 0;
    width: 50px;
}
.top{
    position: relative;
    /* background:linear-gradient(214deg,rgba(236,242,248,1) 0%,rgba(186,216,238,1) 100%); */
}
.top .mainImg{
    /* width: 1320px; */
    width: 100%;
    margin: auto;
}
.gongneng{
    position: relative;
    width: 1320px;
    margin: auto;
}
.gongneng .gongnengImg{
    width: 100%;
}
.gongneng .gongneng_con{
    position: absolute;
    bottom: 0;
    right: 80px;
    width: 489px;
    height: 100%;
    background: rgba(0,0,0,0.75);
}
.gongneng .gongneng_con .con{
    width: 489px;
    height: 100%;
    overflow: hidden;
    position: relative;
}
.gongneng .gongneng_con .logo{
    width: 50px;
    height: 50px;
    margin: 50px auto 10px;
    border-radius: 50%;
}
.gongneng ul{
    position: absolute;
    width: 100%;
    right: 0;
}
.gongneng ul li{
    text-align: center;
    width: 160px;
    margin-top: 30px;
    display: inline-block;
}
.gongneng ul li  img{
    width: 34px;
    margin: auto;
    margin-bottom: 20px;
}
.gongneng ul li span{
    font-size: 14px;
    color: #ffffff;
}
.buttonRight{
    width: 30px;
    position: absolute;
    right: -34px;
    bottom: 170px;
    cursor: pointer;
}
.about_us{
    width: 1140px;
    margin: auto;
    text-align: center;
    margin-bottom: 80px;
}
.about_us h3{
    color: #212121;
    font-size: 28px;
    line-height: 40px;
    margin-top: 60px;
}
.about_us .title_hint{
    color: #999999;
    font-size: 12px;
    line-height: 20px;
    margin-top: 10px;
}
.about_us .about_us_con{
    margin-top: 50px;
}
.about_us .about_us_con img{
    width: 47%;
    float: left;
    height: 240px;
}
.about_us .about_us_con .content{
    width: 47%;
    float: right;
    text-align: left;
    background:rgba(0,0,0,0.03);
    padding:50px 20px;
    height: 240px;
    box-sizing: border-box;
}
.about_us .about_us_con .content p{
    color: #5C5C5C;
    font-size: 12px;
    line-height: 20px;
}
.about_us .about_us_con .content .title{
    color: #212121;
    font-size: 16px;
    padding-bottom: 20px;
}
 /* //万能清除浮动 */
 .clear:after {
    clear: both;
    content: " ";
    display: block;
    height: 0;
    overflow: hidden;
    visibility: hidden;
}
.clear {
    zoom: 1;
}
.downApp{
    /* width: 130px;
    height: 60px;
    background: url(img/下载@2x.png) no-repeat;
    background-size: 100%;
    display: block;
    position: absolute;
    top: 40%;
    left: 11%; */
}