.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;
}
.history-content{
    padding: 70px 106px 100px;
    background-color: #fff;
    overflow: hidden;
}
.history-wrap{
    width:100%;
    position: relative;
}
.history-wrap-left{
    padding:20px 491px 20px 0;
}
.history-wrap-right{
    padding:20px 0 20px 491px;
}
.history-line::after{
    content: "";
    width: 6px;
    height: 100%;
    background-color: #7baaf0;
    position: absolute;
    top: 0;
    left:492px;
}
.history-line-img{
    position: absolute;
    top: calc((100% - 30px)/2);
    left:480px;
    z-index: 99;
}
.hidden1{
    opacity: 0;
}
.history-wrap-left>div,.history-wrap-right>div{
    margin-right:30px;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.6)
}
.history-wrap-right>div{
    margin-left:30px;
}
.history-line>div>div{
    padding: 15px;
}
.history-info{
    word-wrap:break-word;
}
.history-time{
    background-color: #e5e5e5;
   font-weight: 700;
}