/* ribbon-marks · 详情页：标题下垂一条写着分类名的丝带 */
.rm-reading { max-width: 900px; }
.rm-reading .detail-breadcrumb { padding: 4px 0 12px; color: var(--rm-soft); }
.rm-reading .detail-breadcrumb a { color: var(--rm-indigo); font-weight: 600; }
.rm-reading .detail-top-ad:has(.ad) { margin: 4px 0 24px; }

.rm-folio { background: var(--rm-page); box-shadow: 0 1px 0 var(--rm-line), 6px 6px 0 #dcdfeb; }
.rm-folio-head { padding: 26px 34px 18px; border-bottom: 1px solid var(--rm-line); }
.rm-folio-head h1 { margin: 0 0 16px; font-family: var(--rm-display); font-weight: 400; font-size: clamp(2rem, 4.2vw, 2.9rem); line-height: 1.1; }
.rm-folio-line { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 0; font-size: .92rem; color: var(--rm-soft); }
.rm-folio-line > * { min-width: 0; }
.rm-folio-by { font-weight: 600; color: var(--rm-ink); overflow-wrap: anywhere; }
.rm-folio-body { padding: 24px 34px 18px; }
.rm-folio-body .detail-summary { padding: 14px 18px; border-left: 4px solid var(--rm-r); background: var(--rm-desk); line-height: 1.6; }
.rm-folio-body .detail-prose { max-width: 68ch; font-size: 1.08rem; line-height: 1.78; }
.rm-folio-body .detail-prose a { color: var(--rm-indigo); }

.rm-flip { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin: 30px 0 8px; }
.rm-flip-link { display: grid; gap: 4px; padding: 14px 18px; background: var(--rm-page); box-shadow: 0 1px 0 var(--rm-line); }
.rm-flip-link small { font-size: .76rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--rm-soft); }
.rm-flip-link span { font-family: var(--rm-display); font-size: 1.15rem; line-height: 1.3; }
.rm-flip-link:hover span { text-decoration: underline; }
.rm-flip-next { grid-column: 2; text-align: right; }

@media (max-width: 767px) {
    .rm-folio-head { padding: 16px 14px 14px; }
    .rm-folio-head h1 { font-size: 1.7rem; margin-bottom: 12px; }
    .rm-folio-body { padding: 16px 14px 10px; }
    .rm-flip { grid-template-columns: minmax(0, 1fr); }
    .rm-flip-next { grid-column: auto; text-align: left; }
}