/* ══ 구속사 시리즈 (저자소개 · 도서소개) ══ */
.pk-page-rseries { --rs-serif: 'Noto Serif KR', 'Nanum Myeongjo', serif; --rs-card: #fff; --rs-line: var(--cream-dark); }
.pk-page-rseries .rs-wrap { display: flex; flex-direction: column; gap: 32px; max-width: 1200px; }
.pk-page-rseries .rs-eyebrow { margin: 0 0 8px; font-size: 13px; font-weight: 700; color: var(--point); letter-spacing: 1px; }
.pk-page-rseries .rs-text { font-size: 16px; line-height: 1.9; color: #2A3747; }
.pk-page-rseries .rs-text strong { color: var(--ink); }
.pk-page-rseries .rs-text ul li { margin-bottom: 4px; }

/* 버튼 */
.pk-page-rseries .rs-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding-top: 16px; border-top: 1px solid var(--rs-line); }
.pk-page-rseries .rs-btn { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 22px; border-radius: 999px;
  background: var(--point); border: 1px solid var(--point); color: #fff; font-size: 14px; font-weight: 700; transition: background .15s, border-color .15s; }
.pk-page-rseries .rs-btn:hover { background: #1F48B8; border-color: #1F48B8; color: #fff; }
.pk-page-rseries .rs-btn i { font-size: 16px; }
.pk-page-rseries .rs-btn-line { background: #fff; border-color: #C9D3E3; color: var(--ink); }
.pk-page-rseries .rs-btn-line:hover { background: var(--cream); border-color: var(--point); color: var(--point); }
.pk-page-rseries .rs-back { display: none; align-items: center; gap: 4px; margin-left: auto; font-size: 13px; font-weight: 700; color: var(--ink-mid); }
.pk-page-rseries .rs-back:hover { color: var(--point); }

/* ── 저자소개 ── */
.pk-page-rseries .rs-profile { display: flex; flex-wrap: wrap; background: var(--rs-card); border: 1px solid var(--rs-line); border-radius: 12px; overflow: hidden; }
.pk-page-rseries .rs-photo { flex: 1 1 320px; max-width: 420px; min-height: 360px; background: var(--cream-dim); }
.pk-page-rseries .rs-photo img { display: block; width: 100%; height: 100%; max-height: 560px; object-fit: cover; object-position: center 20%; border-radius: 0; }
.pk-page-rseries .rs-photo.is-empty { display: flex; align-items: center; justify-content: center; color: #B8C4D4; font-size: 64px; }
.pk-page-rseries .rs-profile-body { flex: 999 1 460px; min-width: 0; padding: 48px; display: flex; flex-direction: column; justify-content: center; gap: 24px; }
.pk-page-rseries .rs-name { margin: 0; font-family: var(--rs-serif); font-size: 36px; font-weight: 700; line-height: 1.3; color: var(--ink); letter-spacing: -0.5px; }
.pk-page-rseries .rs-sign { display: block; width: 160px; height: 52px; object-fit: contain; object-position: left center; margin-top: 12px; mix-blend-mode: multiply; }
.pk-page-rseries .rs-bio { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; font-size: 15px; line-height: 1.6; color: #2A3747; }
.pk-page-rseries .rs-bio li { display: flex; gap: 16px; }
.pk-page-rseries .rs-bio-k { flex: 0 0 72px; color: var(--ink-lt); font-weight: 700; }
.pk-page-rseries .rs-bio-v { flex: 1; min-width: 0; }

.pk-page-rseries .rs-essay { background: var(--rs-card); border: 1px solid var(--rs-line); border-radius: 12px; padding: 48px; }
.pk-page-rseries .rs-essay-in { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.pk-page-rseries .rs-essay-title { margin: 0; font-family: var(--rs-serif); font-size: 28px; font-weight: 700; line-height: 1.45; color: var(--ink); }
.pk-page-rseries .rs-essay .rs-eyebrow { margin-bottom: -12px; }
.pk-page-rseries .rs-text p { margin: 0 0 1.1em; }
.pk-page-rseries .rs-text p:last-child { margin-bottom: 0; }
.pk-page-rseries .rs-text blockquote { margin: 8px 0 1.4em; padding: 24px 28px; border: 0; border-radius: 12px; background: var(--cream);
  font-family: var(--rs-serif); font-size: 22px; line-height: 1.6; color: var(--ink); text-align: center; }
.pk-page-rseries .rs-text blockquote p { margin: 0; }
.pk-page-rseries .rs-text blockquote p + p:last-child { margin-top: 6px; font-family: var(--sans); font-size: 14px; color: var(--ink-lt); }

.pk-page-rseries .rs-more { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px;
  padding: 18px 20px 18px 24px; border-radius: 12px; background: var(--cream); border: 1px solid var(--rs-line); }
.pk-page-rseries .rs-more-text { flex: 1 1 220px; min-width: 0; font-size: 15px; font-weight: 700; line-height: 1.6; color: var(--ink); word-break: keep-all; }
.pk-page-rseries .rs-more-text p { margin: 0; }
.pk-page-rseries .rs-more .rs-btn { flex-shrink: 0; }

/* 저자의 다른 책 (근현대사 시리즈 · 설교집) */
.pk-page-rseries .rs-others { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 24px; }
.pk-page-rseries .rs-other { display: flex; flex-direction: column; gap: 16px; padding: 36px 40px; background: var(--rs-card); border: 1px solid var(--rs-line); border-radius: 12px; }
.pk-page-rseries .rs-other .rs-eyebrow { margin-bottom: -8px; }
.pk-page-rseries .rs-other-title { margin: 0; font-family: var(--rs-serif); font-size: 24px; font-weight: 700; line-height: 1.4; color: var(--ink); }
.pk-page-rseries .rs-other-text { font-size: 15px; line-height: 1.85; color: #2A3747; }
.pk-page-rseries .rs-vols { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rs-line); }
.pk-page-rseries .rs-vols li { display: flex; gap: 14px; padding: 11px 0; border-bottom: 1px solid var(--rs-line); font-size: 14.5px; line-height: 1.55; color: var(--ink); }
.pk-page-rseries .rs-vols-k { flex: 0 0 52px; color: var(--point); font-weight: 700; }
.pk-page-rseries .rs-vols-v { flex: 1; min-width: 0; word-break: keep-all; }
.pk-page-rseries .rs-other .rs-actions { margin-top: auto; border-top: 0; padding-top: 4px; }

/* ── 도서소개: 책장 ── */
.pk-page-rseries .rs-shelf-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px 16px; flex-wrap: wrap; margin-bottom: 16px; }
.pk-page-rseries .rs-shelf-head h2 { margin: 0; display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--ink); }
.pk-page-rseries .rs-shelf-head h2::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: var(--point); }
.pk-page-rseries .rs-shelf-head p { margin: 0; font-size: 14px; color: var(--ink-lt); }
.pk-page-rseries .rs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 28px 20px;
  background: var(--rs-card); border: 1px solid var(--rs-line); border-radius: 12px; padding: 32px 28px 28px; }
.pk-page-rseries .rs-book { display: flex; flex-direction: column; align-items: center; min-width: 0; }
.pk-page-rseries .rs-pick { all: unset; box-sizing: border-box; cursor: pointer; width: 100%; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.pk-page-rseries .rs-pick:focus-visible { outline: 2px solid var(--point); outline-offset: 4px; border-radius: 12px; }
.pk-page-rseries .rs-cover { display: flex; align-items: flex-end; justify-content: center; width: 144px; height: 205px; padding: 8px; border-radius: 12px; transition: background .15s; }
.pk-page-rseries .rs-cover img { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; border-radius: 3px;
  filter: drop-shadow(0 8px 12px rgba(22,33,46,.2)); transition: transform .2s ease; }
.pk-page-rseries .rs-pick:hover .rs-cover img { transform: translateY(-6px); }
.pk-page-rseries .rs-pick[aria-pressed="true"] .rs-cover { background: #E6EDFC; }
.pk-page-rseries .rs-cover.is-empty { align-items: center; color: #B8C4D4; font-size: 40px; background: var(--cream); }
.pk-page-rseries .rs-cover-soon { box-sizing: border-box; align-items: center; margin: 0 0 10px; width: 128px; height: 189px; padding: 0; border-radius: 4px; border: 1px dashed #B8C4D6;
  background: var(--cream); color: var(--ink-lt); font-size: 13px; font-weight: 700; text-align: center; }
.pk-page-rseries .rs-book.is-soon { padding-top: 8px; }
.pk-page-rseries .rs-vol { font-size: 12px; font-weight: 700; color: var(--point); letter-spacing: .5px; }
.pk-page-rseries .rs-book.is-soon .rs-vol { color: var(--ink-lt); }
.pk-page-rseries .rs-title { max-width: 150px; font-size: 14px; font-weight: 700; line-height: 1.45; color: var(--ink); word-break: keep-all; }

/* ── 도서소개: 책 소개 ── */
.pk-page-rseries .rs-detail { display: flex; flex-wrap: wrap; gap: 40px; padding: 40px; background: var(--rs-card); border: 1px solid var(--rs-line); border-radius: 12px; scroll-margin-top: 96px; }
.pk-page-rseries .rs-detail[hidden] { display: none; }
.pk-page-rseries .rs-detail-cover { flex: 0 0 240px; display: flex; justify-content: center; align-items: flex-start; }
.pk-page-rseries .rs-detail-cover img { display: block; width: 220px; height: auto; max-height: 340px; object-fit: contain; border-radius: 4px;
  filter: drop-shadow(0 16px 22px rgba(22,33,46,.22)); position: sticky; top: 112px; }
.pk-page-rseries .rs-detail-cover.is-empty { align-items: center; height: 300px; background: var(--cream); border-radius: 8px; color: #B8C4D4; font-size: 56px; }
.pk-page-rseries .rs-detail-body { flex: 999 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.pk-page-rseries .rs-book-title { margin: 0; font-family: var(--rs-serif); font-size: 32px; font-weight: 700; line-height: 1.35; color: var(--ink); word-break: keep-all; }
.pk-page-rseries .rs-detail .rs-text { max-width: 760px; }
.pk-page-rseries.js-rs .rs-back { display: inline-flex; }
.pk-page-rseries .rs-shelf { scroll-margin-top: 96px; }

@media (max-width: 960px) {
  .pk-page-rseries .rs-profile-body, .pk-page-rseries .rs-essay, .pk-page-rseries .rs-detail, .pk-page-rseries .rs-other { padding: 32px; }
  .pk-page-rseries .rs-name { font-size: 30px; }
  .pk-page-rseries .rs-detail { gap: 28px; }
}
@media (max-width: 600px) {
  .pk-page-rseries .rs-wrap { gap: 24px; }
  .pk-page-rseries .rs-photo { max-width: none; min-height: 0; }
  .pk-page-rseries .rs-photo img { max-height: 420px; }
  .pk-page-rseries .rs-profile-body, .pk-page-rseries .rs-essay, .pk-page-rseries .rs-detail, .pk-page-rseries .rs-other { padding: 24px 20px; }
  .pk-page-rseries .rs-other-title { font-size: 21px; }
  .pk-page-rseries .rs-name { font-size: 26px; }
  .pk-page-rseries .rs-bio li { flex-direction: column; gap: 2px; }
  .pk-page-rseries .rs-bio-k { flex-basis: auto; }
  .pk-page-rseries .rs-essay-title { font-size: 22px; }
  .pk-page-rseries .rs-text { font-size: 15px; line-height: 1.85; }
  .pk-page-rseries .rs-text blockquote { padding: 20px; font-size: 18px; }
  .pk-page-rseries .rs-grid { grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); gap: 20px 8px; padding: 20px 10px; }
  .pk-page-rseries .rs-pick { gap: 8px; }
  .pk-page-rseries .rs-cover { width: 100%; max-width: 104px; height: 138px; padding: 5px; }
  .pk-page-rseries .rs-cover-soon { width: 84px; height: 124px; }
  .pk-page-rseries .rs-vol { font-size: 11px; letter-spacing: 0; }
  .pk-page-rseries .rs-title { font-size: 12.5px; }
  .pk-page-rseries .rs-detail-cover { flex-basis: 100%; }
  .pk-page-rseries .rs-detail-cover img { width: 180px; position: static; }
  .pk-page-rseries .rs-book-title { font-size: 25px; }
  .pk-page-rseries .rs-btn { height: 42px; padding: 0 18px; }
}