/* 780px reading column + 24px gap + 300px ad + outer margins. */
.sp-reader-promo {
    max-width: 780px;
    margin: 0 auto;
}

.wuwu-ad-slot[data-ad-slot="pc_reader_right_rail"] {
    display: none !important;
}

@media (min-width: 1140px) {
    body:has([data-ad-slot="pc_reader_right_rail"].is-ready:not([hidden])) .sp-read-wrap,
    body:has([data-ad-slot="pc_reader_right_rail"].is-ready:not([hidden])) .sp-reader-promo {
        margin-left: calc((100% - 1104px) / 2);
        margin-right: auto;
    }

    .wuwu-ad-slot[data-ad-slot="pc_reader_right_rail"].is-ready:not([hidden]) {
        bottom: auto;
        display: block !important;
        height: 250px;
        right: max(18px, calc((100% - 1104px) / 2));
        top: 80px;
        width: 300px;
    }
}