.sub-box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    display: -webkit-flex;
}

.sub-box {
    width: 1190px;
    margin: 100px auto 120px;
}

.sub-box aside {
    width: 190px;
    margin-right: 10px;
    /* height: 3008px; */
}

.sub-content {
    width: 990px;
}

.sub-content ul {
    margin-left: 100px;
}

.title-box {
    cursor: pointer;
    text-align: center;
    font-size: 16px;
    font-family: 'Noto Sans SC';
    color: #fff;
    width: 220px;
    margin-left: 325px;
    margin-top: 20px;
    line-height: 44px;
    background-color: #005DA2;
}

.qualification-images ul {
    margin-top: 52px;
    margin-bottom: 0;
    width: 900px;
}

.qualification-images ul li {
    float: left;
    margin-left: -100px;
    margin-right: 90px;
    height: 233px;
}

.qualification-images ul li p {
    margin-top: 15px;
    margin-bottom: 0;
    text-align: center;
    color: #666;
    font: 14px 'Noto Sans SC';
    line-height: 18px;
}

.qualification-images ul li img {
    width: 210px;
    height: 133px;
}

article aside div .sidenav {
    /* height: 1483px */
}

.blank_painter {
    margin: 80px auto;
}