.cert-row {
    overflow: hidden;
    /* contain float and let text flow */
    margin-bottom: 36px;
}

.cert-row .side-img {
    float: left;
    display: block;
    width: 378px;
    max-width: 50%;
    height: auto;
    margin: 0 20px 0 0;
}
.cert-row:nth-child(2n) .side-img {
    float: right;
    margin: 0 0 0 20px;
}
.cert-row .side-text {
    /* 不设固定宽度，让文本在图片旁占用剩余空间，图片结束后自动占满全宽 */
    font-size: 18px;
    line-height: 1.8;
    color: #222;
    font-weight: 400;
    box-sizing: border-box;
    word-break: break-word;
}
.side-text-title{
    font-weight: bold;
    font-size: 24px;
    color: #000000;
    line-height: 36px;
}
/* 响应式：小屏时改为垂直排列 */
@media (max-width:800px) {
    .cert-row {
        margin-bottom: 20px;
        display: flex;
        flex-direction: column-reverse;
        gap: 10px;
        align-items: stretch;
    }
    .cert-row .side-img,
    .cert-row .side-text {
        float: none;
        width: 100%;
        max-width: 100%;
    }
    .cert-row .side-img{
        margin: 0 0 0 0 !important;
    }
    .cert-row .side-text {
        padding-top: 0;
        font-size: 15px;
        line-height: 2.1;
    }
    .side-text-title{
        font-size: 18px;
        line-height: 18px;
        margin-bottom: 9px;
    }
}