/* 鼠标跟随 --> */

#c-followDot {
    position: fixed;
    top: 0;
    left: 0;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: #f20000;
    z-index: 999;
    pointer-events: none;
}

#c-followDot .c-default {
    position: absolute;
    top: -18px;
    left: -18px;
    width: 40px;
    height: 40px;
    border: 1px solid #9c9c9c;
    border-radius: 50%;
    opacity: .2;
    box-sizing: border-box;
    z-index: 99;
    -webkit-transition: all 0.6s;
    transition: all 0.6s;
}

#c-followDot .c-hover {
    position: absolute;
    top: -38px;
    left: -38px;
    width: 80px;
    height: 80px;
    background-color: #bbb;
    border-radius: 50%;
    opacity: .12;
    z-index: 98;
    box-sizing: border-box;
    transform: scale(0, 0);
    -webkit-transform: scale(0, 0);
    -webkit-transition: all 0.6s;
    transition: all 0.6s;
}

#c-followDot.c-active .c-default {
    transform: scale(0, 0);
    -webkit-transform: scale(0, 0);
}

#c-followDot.c-active .c-hover {
    transform: scale(1, 1);
    -webkit-transform: scale(1, 1);
}
.top-30{
    padding-top:30px;
}
.color_444 {
    color: #444;
}

.color_777 {
    color: #777;
}

.box-center > div{
    padding-top:60px;
}

.desc {
    padding:20px;
}

.desc .desc_title {
    margin: 20px;
}

.desc .title2 {
    color: rgb(119, 119, 119);
    text-align: center;
}
.icon-i{
    margin-bottom:10px;
}
.bg-f8{
    background: #f8f8f8;
}
.bg-fff{
    background: #fff;
}
.bg-f5{
    background: #efefef;
}

.bg-black {
    width: 100%;
    /*height: 580px;*/
    background-color: #2d3337;
    /*background-color:#f5f9ff;*/
    overflow: hidden;
}
.smart-2 {
    text-align: center;
}
.smart-2 h1 {
    margin-top: 0;
    padding-top: 60px;
    color: #fff;
}
.smart-2 .smart-title {
    font-size: 14px;
    color: #57be91;
}