.solution{
    color: #666;
    border-bottom-color:rgb(217, 223, 224);
    border-bottom-style:solid;
    border-bottom-width:0.8px;
}
.subnavbox{
    width: 60%;
    max-width: 1200px;
    margin:0 auto;
    /* overflow-x: scroll; */
    /* overflow-y: hidden; */
    font-size: 14px
}
.subnavbox li span{
    padding: 16px 0;
    display: inline-block;
    cursor: pointer;
}
.subnavbox ul{
    min-width: 800px;
}

.subnavbox .this{
    color: #007aff;
}
.subnavbox .this span::after{
    content:"";
    position: absolute;
    display: block;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #007aff;
}

.content{
    display: flex;
    align-items: center;
    padding: 50px 60px;
}
.content .title{
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 20px;
}
.content .subtitle{
    font-size: 14px;
    line-height: 1.5;
}

.subtitle p{text-align: justify; margin-top:10px}
.content .right{
    flex: 0 0 40%;
    padding: 30px 0 0 30px;
}
.content .right img{
    width: 80%;
}

.contentbox{
    display: none;
}
.projectsbox{
    display: none;
}
.active{
    display: block;
}

.projects{
    margin-bottom: 50px;
}
.projects .title{
    font-size: 22px;
    font-weight: 700;
    text-align: center;
    padding-bottom: 15px;
}
.projectstab{
    margin: 35px auto 0;
}
.projectstab li{
    margin-right: 40px;
    cursor: pointer;
}
.projectstab li:last-child{
    margin-right: 0;
}
.projectstab .this{
    color: #007aff;
}
.projectstab .this::after{
    content:"";
    position: absolute;
    display: block;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #007aff;
}


.projectslist{
    display: flex;
    flex-wrap: wrap;
    gap: 30px 30px;
    margin: 30px 60px 30px;
}
.projectslist li{
    flex: 0 0 calc(33.3% - 30px);
}
.projectslist li img{
    width: 100%;
    height: 100%;
    display: block;
}
.projectslist p{
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: rgba(52, 151, 218, .8);
    padding: 14px;
    font-size: 14px;
    color: #fff;
}

.more li:nth-child(n+4){
    display: block;
}

.projectsbox .button{
    width: 126px;
    margin: 30px auto 0;
    position: relative;
    display: flex;
    height: 32px;
    line-height: 30px;
    padding: 0 20px;
    color: #369ce0;
    border:1px solid #369ce0;
    border-radius: 32px;
    text-decoration: none;
    white-space: nowrap;
    text-align: center;
    font-size: 14px;
    cursor: pointer;
    transition: all .3s;
    align-items: center;
}
.projectsbox .button img{
    width: 16px;
    margin-left: 8px;
}
.projectsbox .button:hover {
    background-color: rgba(54, 156, 224, .2);
}

@media (min-width: 1000px) and (max-width: 1200px) {
}
@media (max-width: 1000px) {
    .projectslist li{
        flex: 0 0 calc(100%);
    }
    .subnavbox{
        overflow-x: scroll;
        overflow-y: hidden;
    }
    .content{
        display: block;
    }
    .content .right{
        padding: 0;
        margin-top: 20px;
    }
}
@media (max-width: 500px) {
    .projectslist li{
        flex: 0 0 calc(100%);
    }
}