client-app/style/my/info.scss

.hc-my-info-page {
    :deep(.hc-my-info-list) .uni-list-item {
        .uni-list-item__content-title {
            color: #999;
        }
        .uni-list-item__extra-text {
            color: #3b4144;
            font-size: 14px;
        }
    }
}