.right-box-item img { height: 100%; }
@media screen and (max-width: 768px) {
    /* 面包屑导航 */
    .breadcrumb, .content-box { width: calc(100% - 40px) !important; margin: 0px 20px; }
    .content-box { flex-direction: column; }
    .content-box .left { width: 100% !important; margin: 0px; }
    .content-box .right { width: 100% !important; margin-bottom: 30px; }
    .content-box .right img { max-width: 100% !important; }
    .right-box { flex-direction: column; }
    .right-box-item { width: 100% !important; margin-bottom: 20px; height: 100px !important; }
    .right-box-item img { height: 100px !important; }
    .right h1 { font-size: 24px !important; }
}