.header-title h5::before {
    content: '';
    display: inline-block;
    width: 80px;
    height: 50px;
    margin-right: 8px;
    vertical-align: middle;
    background-image: url("https://www.vmvps.cn//themes/web/www/upload/local6a015fcd474bf.png");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}