/* ===== book.css — 癌症不用怕書籍頁 ===== */

/* 覆蓋 site 預設小字 */
.mi__block { font-size: 18px; }

/* 版面：封面左 + 介紹右 */
.bk__layout {
  display: flex;
  gap: 40px;
  margin-bottom: 52px;
  align-items: flex-start;
}

.bk__cover {
  flex: 0 0 240px;
  text-align: center;
}

.bk__cover img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.18);
}

.bk__intro {
  flex: 1;
  min-width: 0;
}

.container .mainContent .mainInfo .mi__block .bk__title {
  font-size: 1.5em;
  color: #333;
  margin: 0 0 20px;
  padding-bottom: 0;
  border-bottom: none;
  line-height: 1.4;
}

.bk__author {
  color: #555;
  margin-bottom: 20px;
}

.bk__pubinfo {
  color: #888;
  font-size: 0.9em;
  line-height: 1.8;
  margin-bottom: 36px;
}

.bk__tagline {
  color: #555;
  line-height: 1.8;
  margin-bottom: 24px;
}

.bk__content { margin-bottom: 48px; }

/* 小節標題 */
.bk__section-title {
  font-size: 1.2em;
  color: #555;
  border-bottom: 2px solid #c06060;
  padding-bottom: 7px;
  margin: 0 0 18px;
}

/* 三大功法區塊 */
.bk__parts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.bk__part {
  background: #fdf8f6;
  border: 1px solid #eee;
  padding: 14px 18px;
  border-radius: 8px;
}

.bk__part__label {
  display: inline-block;
  background: #c06060;
  color: #fff;
  font-size: 0.85em;
  padding: 2px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.bk__part strong { display: block; color: #333; margin-bottom: 4px; }
.bk__part p { color: #555; margin: 0; line-height: 1.75; }

/* 作者說明 */
.bk__about { margin-bottom: 48px; }

.bk__quote {
  line-height: 2;
  color: #555;
  margin: 12px 0 8px;
  padding: 0;
  border-left: none;
  font-style: normal;
}

.bk__quote__src { color: #555; text-align: right; margin: 0; }

/* 推薦人 */
.bk__endorsements { margin-bottom: 48px; }

.bk__endorsers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.bk__endorser {
  background: #fdf8f6;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 18px 20px;
}

.bk__endorser strong { display: block; font-size: 1.05em; color: #333; margin-bottom: 8px; }
.bk__endorser span { color: #555; display: block; margin-bottom: 10px; }
.bk__endorser p { color: #555; line-height: 1.75; margin: 0; }

.bk__endorser__note { margin-top: 12px; font-size: 0.9em; color: #888; }

/* 圖書館 */
.bk__library { margin-bottom: 48px; }
.bk__library p { margin-bottom: 10px; color: #555; }

.bk__lib__list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: #555;
  line-height: 2;
}

.bk__lib__list a { color: #c06060; text-decoration: underline; }

/* CTA */
.bk__cta {
  background: #fdf0f0;
  border-radius: 8px;
  padding: 32px;
  text-align: center;
  margin-bottom: 32px;
}

.bk__cta h2 { color: #c06060; font-size: 1.25em; margin-bottom: 12px; }
.bk__cta p { color: #555; line-height: 1.8; margin-bottom: 0; }

.bk__cta__btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 22px;
  flex-wrap: wrap;
}

.bk__btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: opacity 0.15s;
}

.bk__btn:hover { opacity: 0.85; text-decoration: none; }
.bk__btn--primary { background: #c06060; color: #fff; }
.bk__btn--secondary { background: #fff; color: #c06060; border: 2px solid #c06060; }

/* RWD — 對應站點 breakpoints */

/* ---- Tablet: 769px – 1300px ---- */
@media all and (max-width: 1300px) and (min-width: 769px) {
  .bk__layout { gap: 28px; }
  .bk__cover { flex: 0 0 200px; }
  .bk__content, .bk__about, .bk__endorsements, .bk__library { margin-bottom: 40px; }
  .bk__cta { padding: 26px 28px; }
}

/* ---- Mobile: ≤ 768px ---- */
@media all and (max-width: 768px) {
  .mi__block { font-size: 20px; }
  .bk__layout { flex-direction: column; gap: 20px; margin-bottom: 36px; }
  .bk__cover { flex: none; width: 180px; margin: 0 auto; }
  .bk__content, .bk__about, .bk__endorsements, .bk__library { margin-bottom: 32px; }
  .bk__parts { grid-template-columns: 1fr; }
  .bk__endorsers { grid-template-columns: 1fr; }
  .bk__cta { padding: 22px 18px; }
  .bk__cta__btns { flex-direction: column; align-items: stretch; }
  .bk__btn { text-align: center; padding: 14px 20px; }
}