.business-bottom3 {
    height: 650px
}

.business-bottom3 li {
    float: left;
    width: 240px;
    height: 140px;
    background: url("img/12L_logo.png?20200304");
    background-size: 100% auto
}

.business-bottom3 .items1 {
    background-position: 0 0
}

.business-bottom3 .items2 {
    background-position: 0 -150px
}

.business-bottom3 .items3 {
    background-position: 0 -300px
}

.business-bottom3 .items4 {
    background-position: 0 -450px
}

.business-bottom3 .items5 {
    background-position: 0 -600px
}

.business-bottom3 .items6 {
    background-position: 0 -750px
}

.business-bottom3 .items7 {
    background-position: 0 -900px
}

.business-bottom3 .items8 {
    background-position: 0 -1050px
}

.business-bottom3 .items9 {
    background-position: 0 -1200px
}

.business-bottom3 .items10 {
    background-position: 0 -1350px
}

.business-bottom3 .items11 {
    background-position: 0 -1500px
}

.business-bottom3 .items12 {
    background-position: 0 -1650px
}

.business-bottom3 .items13 {
    background-position: 0 -1800px
}

.business-bottom3 .items14 {
    background-position: 0 -1950px
}

.business-bottom3 .items15 {
    background-position: 0 -2100px
}

.f10-bg {
    background-color: #f4f4f7
}

.f10-ul {
    font-size: 0
}

.f10-ul>li {
    display: inline-block;
    width: 45%;
    vertical-align: top;
    margin-left: 90px;
    font-size: 14px
}

.f10-ul>li:first-child {
    margin-left: 0
}

.f10-ul-lst {
    margin-top: 32px
}

.f10-ul-lst>li {
    margin-bottom: 10px
}

.f10-ul-lst>li>span {
    vertical-align: middle
}

.f10-ul-lst>li>a {
    display: inline-block;
    vertical-align: middle;
    max-width: 80%;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    color: #595961
}

.f10-ul-lst>li>a:hover {
    text-decoration: underline
}

.f10-ptb {
    padding-top: 60px;
    padding-bottom: 60px
}

.f10-tt {
    position: absolute;
    top: 40px;
    left: 20px;
    color: #fff
}