/* SpineCare V38-M · 讲师完整双语长文阅读与打印
   产品路径: public/faculty-reading-v38.css
   配合 renderFacultyContent 的稳定锚点 / 段落导航 / 回到介绍顶部
   阅读断点: 390 / 1440 · 打印: 不截断长段、二维码、来源，字号可读 */

.faculty-reading-v38 {
  --fr-ink: var(--ink, #183c37);
  --fr-muted: var(--muted, #65716b);
  --fr-line: var(--line, #dedfd9);
  --fr-soft: var(--soft, #f4f5ef);
  --fr-accent: var(--accent, #1f6b5c);
  --fr-paper: var(--paper, #fbfaf6);
  --fr-zh-size: 17px;
  --fr-en-size: 14px;
  --fr-nav-size: 13px;
  --fr-label-size: 12px;
  margin: 30px 0 42px;
  overflow-wrap: anywhere;
  scroll-margin-top: 16px;
}

.faculty-reading-v38:focus {
  outline: none;
}

.faculty-reading-v38 .section-heading h2 {
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.3;
}

/* 来源区：屏幕与打印均完整，不截断 */
.faculty-reading-v38 .faculty-profile-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 18px 0 16px;
  max-width: 960px;
}

.faculty-reading-v38 .faculty-profile-sources .text-link {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* 段落导航 */
.faculty-reading-v38 .faculty-pnav {
  margin: 0 0 22px;
  padding: 14px 16px 12px;
  border: 1px solid var(--fr-line);
  border-radius: 12px;
  background: var(--fr-soft);
  max-width: 960px;
}

.faculty-reading-v38 .faculty-pnav-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 10px;
}

.faculty-reading-v38 .faculty-pnav-title {
  margin: 0;
  font-size: var(--fr-label-size);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fr-muted);
}

.faculty-reading-v38 .faculty-pnav-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
}

.faculty-reading-v38 .faculty-back-top,
.faculty-reading-v38 .faculty-pnav-sources {
  font-size: var(--fr-nav-size);
  color: var(--fr-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.faculty-reading-v38 .faculty-back-top-bottom {
  margin: 16px 0 0;
  max-width: 960px;
}

.faculty-reading-v38 .faculty-pnav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px 12px;
  max-height: none;
  overflow: visible;
}

.faculty-reading-v38 .faculty-pnav-link {
  display: block;
  padding: 6px 8px;
  border-radius: 8px;
  color: var(--fr-ink);
  text-decoration: none;
  font-size: var(--fr-nav-size);
  line-height: 1.45;
  border: 1px solid transparent;
}

.faculty-reading-v38 .faculty-pnav-link:hover {
  background: var(--fr-paper);
  border-color: var(--fr-line);
}

.faculty-reading-v38 .faculty-pnav-link:focus-visible {
  outline: 2px solid var(--fr-accent);
  outline-offset: 2px;
}

.faculty-reading-v38 .faculty-pnav-num {
  font-variant-numeric: tabular-nums;
  color: var(--fr-accent);
  font-weight: 600;
  margin-right: 4px;
}

.faculty-reading-v38 .faculty-pnav-text {
  color: var(--fr-muted);
}

/* 正文段落：中文默认完整同时可见，不折叠 */
.faculty-reading-v38 .faculty-paragraphs {
  max-width: 960px;
}

.faculty-reading-v38 .faculty-pair {
  padding: 18px 0;
  border-bottom: 1px solid var(--fr-line);
  min-width: 0;
  max-height: none;
  overflow: visible;
  scroll-margin-top: 16px;
}

.faculty-reading-v38 .faculty-pair:focus {
  outline: none;
}

.faculty-reading-v38 .faculty-pair:focus-visible {
  outline: 2px solid var(--fr-accent);
  outline-offset: 4px;
}

.faculty-reading-v38 .faculty-pair-label {
  margin: 0 0 6px;
  font-size: var(--fr-label-size);
  line-height: 1.4;
  color: var(--fr-muted);
}

.faculty-reading-v38 .faculty-pair-num {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--fr-accent);
}

.faculty-reading-v38 .faculty-pair-role {
  text-transform: none;
  opacity: 0.85;
}

.faculty-reading-v38 .faculty-pair p {
  margin: 0;
  overflow-wrap: anywhere;
  white-space: normal;
  max-height: none;
}

.faculty-reading-v38 .faculty-zh {
  font-size: var(--fr-zh-size);
  line-height: 1.85;
  color: var(--fr-ink);
}

.faculty-reading-v38 .faculty-original {
  font-size: var(--fr-en-size);
  line-height: 1.8;
  color: var(--fr-muted);
  margin-top: 9px !important;
}

.faculty-reading-v38 .faculty-pair-title .faculty-zh {
  font-weight: 600;
}

.faculty-reading-v38 .faculty-pair-contact {
  padding: 12px 0;
}

/* 缺源 / 身份特例（与原语义一致，仅补充阅读版式） */
.faculty-reading-v38.faculty-content-gap,
.faculty-reading-v38.faculty-specialty,
.faculty-content.faculty-content-gap,
.faculty-content.faculty-specialty {
  padding: 22px;
  border: 1px solid var(--fr-line);
  border-radius: 12px;
  background: var(--fr-soft);
}

.faculty-content-gap p,
.faculty-specialty p {
  margin-bottom: 0;
}

.faculty-role-note {
  font-size: 13px;
  color: var(--fr-muted);
}

/* 390 窄屏 */
@media (max-width: 480px) {
  .faculty-reading-v38 {
    --fr-zh-size: 16px;
    --fr-en-size: 13px;
    --fr-nav-size: 13px;
    margin: 22px 0 32px;
  }

  .faculty-reading-v38 .faculty-pnav {
    padding: 12px;
  }

  .faculty-reading-v38 .faculty-pnav-list {
    grid-template-columns: 1fr;
  }

  .faculty-reading-v38 .faculty-pair {
    padding: 15px 0;
  }

  .faculty-reading-v38 .faculty-profile-sources {
    gap: 12px;
  }

  .faculty-reading-v38.faculty-content-gap,
  .faculty-reading-v38.faculty-specialty {
    padding: 18px;
  }
}

/* 1440 宽屏：正文限宽、导航可多列，长文可读 */
@media (min-width: 1200px) {
  .faculty-reading-v38 {
    --fr-zh-size: 18px;
    --fr-en-size: 15px;
  }

  .faculty-reading-v38 .faculty-paragraphs {
    max-width: 920px;
  }

  .faculty-reading-v38 .faculty-pnav {
    max-width: 920px;
  }
}

/* 浏览器打印：不截断长段/来源，字号可读，中英均印 */
@media print {
  .faculty-reading-v38 {
    --fr-zh-size: 12pt;
    --fr-en-size: 11pt;
    --fr-label-size: 9pt;
    margin: 0 0 12pt;
    overflow: visible;
  }

  .faculty-reading-v38 .faculty-pnav {
    display: none;
  }

  .faculty-reading-v38 .faculty-back-top-bottom {
    display: none;
  }

  .faculty-reading-v38 .faculty-pair {
    break-inside: auto;
    page-break-inside: auto;
    padding: 8pt 0;
    max-height: none !important;
    overflow: visible !important;
  }

  .faculty-reading-v38 .faculty-pair-label {
    display: block;
  }

  .faculty-reading-v38 .faculty-zh,
  .faculty-reading-v38 .faculty-original {
    max-height: none !important;
    overflow: visible !important;
    white-space: normal !important;
  }

  .faculty-reading-v38 .faculty-profile-sources {
    display: block;
    max-height: none !important;
    overflow: visible !important;
  }

  .faculty-reading-v38 .faculty-profile-sources .text-link {
    display: inline;
    margin-right: 12pt;
  }

  .faculty-reading-v38 .faculty-profile-sources a[href]::after {
    content: " (" attr(href) ")";
    font-size: 9pt;
    color: #444;
    word-break: break-all;
  }

  .faculty-reading-v38 .section-note {
    font-size: 10pt;
    line-height: 1.5;
  }

  a {
    text-decoration: underline;
    color: inherit;
  }
}