.demo-layout {
    .jing-col {
        margin-bottom: 10px;
        color: var(--van-white);
        font-size: 13px;
        line-height: 30px;
        text-align: center;
        background-clip: content-box;
    }
    .jing-col:nth-child(odd) {
        background-color: #39a9ed;
    }
    .jing-col:nth-child(even) {
        background-color: #66c6f2;
    }
}