div.one, div.three {
    padding: 3% 0;
    clear: both;
    overflow: auto;
}

div.one ul {
    width: 90%;
    margin: 6% auto 0;
    clear: both;
    overflow: auto;
}

div.one ul li {
    float: left;
    width: 20%;
    text-align: center;
}

div.one ul li img {
    width: auto;
    height: 48px;
    display: inline-block;
}

div.one ul li h6 {
    color: #07bad5;
    margin: 10% 0 8%;
    font-size: 14px;
    line-height: 22px;
    font-weight: 400;
}

div.one ul li p {
    color: #666666;
    font-size: 14px;
    line-height: 24px;
    font-weight: 400;
}

div.two {
    background: #373d41;
}

div.two ul {

    overflow: hidden;
}

div.two ul li {
    float: left;
    width: 20%;
    height: auto;
    text-align: center;
    position: relative;
    overflow: hidden;
}

div.two ul li > img {
    width: 100%;
    height: auto;
    position: relative;
}

div.two ul li>div {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
}

div.two ul li i.bg {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    bottom: 0;
    background: rgba(0, 194, 222, 0.9);
}
div.two ul li i.bgg {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: rgba(55, 65, 61, 0.65);
}
div.two ul li > div img {
    position: absolute;
    top: 47px;
    left: 50%;
    transform: translate(-50%, 0);
    width: auto;
    height: 60px;
}

div.two ul li > div b {
    width: 20px;
    height: 2px;
    background: #fff;
    display: block;
    position: absolute;
    top: 150px;
    left: 50%;
    transform: translate(-50%, 0);
}

div.two ul li > div p {
    width: 100%;
    text-align: center;
    font-size: 24px;
    line-height: 32px;
    color: #fff;
    font-weight: 400;
    position: absolute;
    top: 200px;
    left: 50%;
    transform: translate(-50%, 0);
}

div.three ul {
    margin: 6% auto 0;
    width: 96%;
    padding-right: 3.333%;
}

div.three ul li {
    background: #f5f5f5;
    padding: 3%;
    width: 24%;
    margin-left: 3.33%;
    float: left;
}

div.three ul li h5 {
    color: #333;
    text-align: center;
    font-size: 18px;
    font-weight: 400;
    margin: 0 auto;

}

div.three ul li img {
    width: 100%;
    height: auto;
    display: block;
    margin: 12% auto;
}

div.three ul li p {
    width: 90%;
    margin: 0 auto;
    color: #666666;
    font-size: 12px;
    font-weight: 400;
    line-height: 20px;
}

div.four {
    background: #f5f5f5;
    padding: 3% 0;
    clear: both;
    overflow: auto;
}

div.four ul {
    width: 90%;
    margin: 6% auto 0;
    clear: both;
    overflow: auto;
}

div.four ul li {
    float: left;
    width: 20%;
    height: auto;
}

div.four ul li img {
    display: block;
    margin: 12% auto;
    width: auto;
    height: 40px;
}

div.four ul li p {
    color: #666666;
    font-size: 14px;
    text-align: center;
}
div.float-tool{
    position: fixed;
    top: 70%;
    right: 1%;
    width: 44px;
    box-shadow: 0 6px 12px 0 rgba(0,0,0,.15);
    background-color: #33cde5;
    text-align: center;
    padding: 1% 0;
}
div.float-tool span{
    cursor: default;
    display: inline-block;
    width: 14px;
    font-size: 14px;
    color: #fff;
    line-height: 17px;
}