.solution-title {
    width: 100%;
    height: 500px;
    box-sizing: 100% 100%;
    background-repeat: no-repeat;
    position: relative;
    min-width: 1200px;
}
.solution-title>div {
    width: 100%;
    height: 60px;
    background-color: rgba(0, 0, 0, 0.6);
    position: absolute;
    left: 0;
    bottom: 0;
    min-width: 1200px;
}
.solution-title-main>li{
    float: left;
    color: #fff;
    line-height: 60px;
    width: 66px;
    margin: 0 84px;
    text-align: center;
    position: relative;
}
.solution-title-main>li:nth-child(5) {
    margin-right: 0;
}
.solution-title-main>li>a{
    color: #fff;
}
.about-titles{
    font-weight: bold;
    font-size: 24px;
    color: #4B4B4B;
    padding: 90px 0 21px 0;
}
.company-info img{
    max-width: 100%;
}