levelfly.github.io/bird-breeding-codex.html at master · levelfly/levelfly.github.io · GitHub

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<!DOCTYPE html>
<html lang="zh-Hant">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>鳥類繁殖全書 · Codex Avium</title>
<meta name="description" content="和尚鸚鵡、金頭凱克、大金黃鸚鵡繁殖與商業營運完整指南 — 寫給有經驗的繁殖者，基於 150+ 文獻，7 種語言">
<meta name="audience" content="65歲退休繁殖者；語調親切實務，避免學術堆砌">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600;1,700&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Noto+Serif+TC:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
<style>
/* ═══════════════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════════════ */
:root {
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  --parchment-light: #fdf9f0;
  --parchment-mid:   #f3ebd9;
  --parchment-dark:  #ede1c8;
  --parchment-edge:  #d4c5a5;

  /* Ink palette */
  --ink:             #1a1612;
  --ink-soft:        #3d342a;
  --ink-muted:       #6b5d4b;
  --ink-faint:       #8a7d68;

  /* Forest / structural */
  --forest:          #1e3a2b;
  --forest-deep:     #0f2418;
  --forest-mid:      #2d5a3a;
  --sage:            #7a8f6c;
  --sage-light:      #a8b89a;

  /* Accent colours */
  --terracotta:      #b84e28;
  --terracotta-light:#d26b3f;
  --rust:            #8a3a1d;
  --ochre:           #c49830;
  --gold:            #d4a945;
  --gold-soft:       #e6c675;

  /* Species accent colours */
  --monk:            #2d7a3a;   /* 和尚鸚鵡 — green like their plumage */
  --monk-soft:       rgba(45, 122, 58, 0.12);
  --caique:          #d4a945;   /* 金頭凱克 — gold like their head */
  --caique-soft:     rgba(212, 169, 69, 0.12);
  --golden:          #d4a945;   /* 大金黃鸚鵡 — same as caique gold, the bird IS golden */
  /* --sabia and --sabia-soft removed (vol5 deleted) */

  /* Lines */
  --line:            rgba(61, 52, 42, 0.22);
  --line-soft:       rgba(61, 52, 42, 0.10);
  --line-strong:     rgba(61, 52, 42, 0.55);

  /* Shadows */
  --shadow-soft:     0 2px 20px rgba(26, 22, 18, 0.06);
  --shadow-lift:     0 20px 60px -20px rgba(26, 22, 18, 0.20);
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/* ═══════════════════════════════════════════════════
   RESET & BASE
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*, *::before, *::after {
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html {
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  -moz-osx-font-smoothing: grayscale;
}

body {
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  background-image:
    radial-gradient(ellipse 80% 50% at 10% 0%,   rgba(45, 122, 58, 0.09),  transparent 70%),
    radial-gradient(ellipse 70% 60% at 100% 40%,  rgba(212, 169, 69, 0.07), transparent 70%),
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/* ═══════════════════════════════════════════════════
   TEXTURE OVERLAYS
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.grain {
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  opacity: 0.45;
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  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch' seed='42'/%3E%3CfeColorMatrix values='0 0 0 0 0.1 0 0 0 0 0.08 0 0 0 0 0.05 0 0 0 0.35 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.vignette {
  position: fixed;
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  pointer-events: none;
  z-index: 99;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(61, 52, 42, 0.08) 100%);
}

/* ═══════════════════════════════════════════════════
   PROGRESS BAR
═══════════════════════════════════════════════════ */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--monk), var(--caique));
  z-index: 200;
  transition: width 0.15s ease-out;
  box-shadow: 0 0 12px rgba(45, 122, 58, 0.4);
}

/* ═══════════════════════════════════════════════════
   SIDE NAVIGATION (desktop, >1280px)
═══════════════════════════════════════════════════ */
.side-nav {
  position: fixed;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
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  font-family: 'Cormorant Garamond', serif;
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  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  max-height: 90vh;
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}

.side-nav::-webkit-scrollbar { width: 2px; }
.side-nav::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }

.side-nav::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.side-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.side-nav li.nav-divider {
  height: 1px;
  background: var(--line);
  margin: 0.4rem 0;
  margin-left: 1.5rem;
}

.side-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-muted);
  text-decoration: none;
  padding-left: 0.15rem;
  transition: all 0.3s ease;
  line-height: 1.3;
}

.side-nav a::before {
  content: "";
  width: 0.8rem;
  height: 1px;
  flex-shrink: 0;
  background: var(--line-strong);
  transition: all 0.3s ease;
}

.side-nav a:hover,
.side-nav a.active {
  color: var(--terracotta);
  letter-spacing: 0.15em;
}

.side-nav a:hover::before,
.side-nav a.active::before {
  width: 1.4rem;
  background: var(--terracotta);
  box-shadow: 0 0 8px rgba(184, 78, 40, 0.4);
}

/* Species-tinted active states */
.side-nav a[data-species="monk"].active,
.side-nav a[data-species="monk"]:hover {
  color: var(--monk);
}
.side-nav a[data-species="monk"].active::before,
.side-nav a[data-species="monk"]:hover::before {
  background: var(--monk);
  box-shadow: 0 0 8px rgba(45, 122, 58, 0.4);
}
.side-nav a[data-species="caique"].active,
.side-nav a[data-species="caique"]:hover {
  color: var(--caique);
}
.side-nav a[data-species="caique"].active::before,
.side-nav a[data-species="caique"]:hover::before {
  background: var(--caique);
  box-shadow: 0 0 8px rgba(212, 169, 69, 0.4);
}

@media (max-width: 1280px) {
  .side-nav { display: none; }
}

/* ═══════════════════════════════════════════════════
   MOBILE NAV (hamburger, ≤1280px)
═══════════════════════════════════════════════════ */
.mobile-nav-toggle {
  display: none;
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 300;
  width: 2.6rem;
  height: 2.6rem;
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  background: var(--parchment-light);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  box-shadow: var(--shadow-soft);
  transition: background 0.2s;
}

.mobile-nav-toggle:hover { background: var(--parchment-mid); }

.mobile-nav-toggle span {
  display: block;
  width: 1.3rem;
  height: 1px;
  background: var(--ink-soft);
  transition: all 0.3s ease;
}

.mobile-nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.mobile-nav-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1280px) {
  .mobile-nav-toggle { display: flex; }
}

.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26, 22, 18, 0.55);
  z-index: 150;
  backdrop-filter: blur(2px);
}

.mobile-nav-overlay.open { display: block; }

.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 90vw);
  background: var(--parchment-light);
  z-index: 200;
  overflow-y: auto;
  padding: 4rem 1.5rem 2rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 1px solid var(--line);
}

.mobile-nav-panel.open { transform: translateX(0); }

.mobile-nav-panel ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.mobile-nav-panel li.nav-divider {
  height: 1px;
  background: var(--line);
  margin: 0.6rem 0;
}

.mobile-nav-panel a {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--ink-soft);
  text-decoration: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  border-left: 2px solid transparent;
  transition: all 0.2s ease;
}

.mobile-nav-panel a:hover,
.mobile-nav-panel a.active {
  color: var(--terracotta);
  border-left-color: var(--terracotta);
  padding-left: 1rem;
  background: rgba(184, 78, 40, 0.04);
}

.mobile-nav-panel a[data-species="monk"]:hover,
.mobile-nav-panel a[data-species="monk"].active {
  color: var(--monk);
  border-left-color: var(--monk);
  background: var(--monk-soft);
}
.mobile-nav-panel a[data-species="caique"]:hover,
.mobile-nav-panel a[data-species="caique"].active {
  color: var(--caique);
  border-left-color: var(--caique);
  background: var(--caique-soft);
}

.mobile-nav-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

/* ═══════════════════════════════════════════════════
   LAYOUT CONTAINERS
═══════════════════════════════════════════════════ */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

.column {
  max-width: 720px;
  margin: 0 auto;
}

.wide {
  max-width: 980px;
  margin: 0 auto;
}

section {
  scroll-margin-top: 2rem;
}

/* ═══════════════════════════════════════════════════
   FRONTISPIECE / COVER
═══════════════════════════════════════════════════ */
.frontispiece {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
}

.frontispiece::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 4rem;
  transform: translateX(-50%);
  width: 1px;
  height: 3rem;
  background: linear-gradient(var(--ink), transparent);
}

.frontispiece-meta {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  margin-bottom: 3rem;
}

.frontispiece-meta span {
  display: inline-block;
  margin: 0 0.75rem;
  color: var(--terracotta);
}

.frontispiece h1 {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 500;
  line-height: 0.95;
  color: var(--forest-deep);
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
}

.frontispiece h1 em {
  font-style: italic;
  color: var(--terracotta);
  font-weight: 400;
}

.frontispiece .latin-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  color: var(--forest);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
  font-weight: 400;
}

.frontispiece .edition {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 2rem;
  line-height: 1.7;
}

.frontispiece .ornament {
  margin: 2.5rem 0 1.5rem;
  color: var(--terracotta);
  opacity: 0.7;
}

.frontispiece .subtitle {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-style: italic;
  font-size: clamp(1.1rem, 2.2vw, 1.5rem);
  color: var(--ink-soft);
  max-width: 640px;
  line-height: 1.5;
  margin: 1rem auto 0;
  font-weight: 400;
}

.frontispiece .subtitle .sci {
  font-style: italic;
  color: var(--forest);
  font-weight: 500;
}

/* Species colour dots in frontispiece */
.species-dots {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.species-dot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.species-dot::before {
  content: "";
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  flex-shrink: 0;
}

.species-dot.monk::before   { background: var(--monk); }
.species-dot.caique::before { background: var(--caique); }
.species-dot.golden::before { background: var(--golden); }

.scroll-hint {
  margin-top: 4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-muted);
  animation: fade-bob 3s ease-in-out infinite;
}

@keyframes fade-bob {
  0%, 100% { opacity: 0.4; transform: translateY(0); }
  50%       { opacity: 1;   transform: translateY(6px); }
}

/* ═══════════════════════════════════════════════════
   VOLUME STRUCTURE
═══════════════════════════════════════════════════ */
.volume {
  padding: 5rem 0 3rem;
}

.volume-header {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 2px solid var(--line);
  position: relative;
  text-align: left;
}

/* Top rule above volume header — thick decorative line pair */
.volume-header::before {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--terracotta) 0%, var(--parchment-edge) 100%);
  margin-bottom: 1.5rem;
  border-radius: 2px;
}

.volume-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--terracotta);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.8rem;
}

.volume-label::before {
  content: "";
  width: 3rem;
  height: 1px;
  background: var(--terracotta);
  flex-shrink: 0;
}

.volume h2 {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 500;
  color: var(--forest-deep);
  line-height: 1;
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}

.volume-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.35rem;
  color: var(--ink-muted);
  font-weight: 400;
  margin-top: 0.3rem;
  line-height: 1.45;
}

/* Volume intro paragraph — appears in vol3, renders as a brief lede */
.volume-intro {
  font-family: 'Noto Serif TC', serif;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(61, 52, 42, 0.04);
  border-left: 3px solid var(--line-strong);
  font-style: normal;
}

/* Bottom rule below volume header */
.volume-header::after {
  content: "";
  display: block;
  width: 4rem;
  height: 2px;
  background: var(--terracotta);
  margin-top: 1.5rem;
  border-radius: 1px;
}

/* Species-tinted volume headers */
.volume.vol-monk   .volume-label { color: var(--monk); }
.volume.vol-monk   .volume-label::before { background: var(--monk); }
.volume.vol-monk   .volume-header::before { background: linear-gradient(90deg, var(--monk) 0%, var(--parchment-edge) 100%); }
.volume.vol-monk   .volume-header::after  { background: var(--monk); }
.volume.vol-monk   .volume-header { border-bottom-color: rgba(45, 122, 58, 0.35); }

.volume.vol-caique .volume-label { color: var(--caique); }
.volume.vol-caique .volume-label::before { background: var(--caique); }
.volume.vol-caique .volume-header::before { background: linear-gradient(90deg, var(--caique) 0%, var(--parchment-edge) 100%); }
.volume.vol-caique .volume-header::after  { background: var(--caique); }
.volume.vol-caique .volume-header { border-bottom-color: rgba(212, 169, 69, 0.35); }

.vol-golden .volume-header h2 { color: var(--forest-deep); }
.volume.vol-golden .volume-label { color: var(--golden); }
.volume.vol-golden .volume-label::before { background: var(--golden); }
.volume.vol-golden .volume-header::before { background: linear-gradient(90deg, var(--golden) 0%, var(--parchment-edge) 100%); }
.volume.vol-golden .volume-header::after  { background: var(--golden); }
.volume.vol-golden .volume-header { border-bottom-color: rgba(212, 169, 69, 0.35); }

/* ═══════════════════════════════════════════════════
   SECTION RULE (ornamental divider between volumes)
═══════════════════════════════════════════════════ */
.section-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 5rem 0 4rem;
  gap: 1.5rem;
  color: var(--terracotta);
  position: relative;
}

/* Double line effect: outer faint + center rule */
.section-rule::before,
.section-rule::after {
  content: "";
  flex: 1;
  max-width: 14rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 40%, transparent);
}

/* Subtle text label VOLUME BREAK above the rule */
.section-rule svg {
  width: 2.4rem;
  height: 2.4rem;
  opacity: 0.85;
  filter: drop-shadow(0 1px 2px rgba(184, 78, 40, 0.2));
}

/* ═══════════════════════════════════════════════════
   PART LABELS (within volumes)
═══════════════════════════════════════════════════ */
.part-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.part-label::before {
  content: "";
  width: 2rem;
  height: 1px;
  background: var(--terracotta);
}

.part-title {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 500;
  color: var(--forest-deep);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.part-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.3rem;
  color: var(--ink-muted);
  margin-bottom: 3rem;
  font-weight: 400;
}

/* ═══════════════════════════════════════════════════
   PROSE / BODY TEXT
═══════════════════════════════════════════════════ */
.prose p {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
  font-weight: 400;
}

.prose p.lead {
  font-size: 1.3rem;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 400;
  margin-bottom: 2rem;
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-style: italic;
}

.prose h3 {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: 1.8rem;
  color: var(--forest);
  margin-top: 3rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.prose h4 {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: 1.35rem;
  color: var(--forest-mid);
  margin-top: 2.25rem;
  margin-bottom: 0.8rem;
  font-weight: 600;
  letter-spacing: 0;
  padding-left: 0.9rem;
  border-left: 3px solid var(--sage-light);
  line-height: 1.35;
}

.prose strong { color: var(--ink); font-weight: 700; }
.prose em { font-style: italic; }

.prose .sci {
  font-style: italic;
  color: var(--forest);
  font-weight: 500;
}

.prose a {
  color: var(--terracotta);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: all 0.2s;
}

.prose a:hover {
  color: var(--rust);
  border-bottom-color: var(--terracotta);
}

.prose ul, .prose ol {
  margin: 1.1rem 0 1.6rem 2rem;
  color: var(--ink-soft);
}

.prose ul li { list-style: none; position: relative; padding-left: 0.25rem; }
.prose ul li::before {
  content: "▸";
  position: absolute;
  left: -1.25rem;
  color: var(--terracotta);
  font-size: 0.85em;
  top: 0.1em;
}

.prose ol { list-style: decimal; }
.prose ol li { padding-left: 0.25rem; }
.prose ol li::marker { color: var(--terracotta); font-weight: 600; }

.prose li { margin-bottom: 0.6rem; line-height: 1.75; font-size: 1.03rem; }

/* ═══════════════════════════════════════════════════
   DROP CAP
═══════════════════════════════════════════════════ */
.drop-cap::first-letter {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-size: 5.5rem;
  float: left;
  line-height: 0.82;
  padding: 0.4rem 0.6rem 0 0;
  color: var(--terracotta);
  font-style: italic;
}

/* ═══════════════════════════════════════════════════
   CHAPTER BLOCKS
═══════════════════════════════════════════════════ */
.chapter-block {
  padding: 2.5rem 0 2rem;
  border-bottom: 2px solid var(--parchment-edge);
  position: relative;
}

.chapter-block:first-of-type { border-top: 2px solid var(--parchment-edge); }

.chapter-block > h3 {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--forest-deep);
  line-height: 1.3;
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line-soft);
}

.chapter-block .chapter-num {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-style: normal;
  font-size: 0.72rem;
  color: #fff;
  background: var(--terracotta);
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-right: 0.75rem;
  vertical-align: middle;
  text-transform: uppercase;
  box-shadow: 0 2px 6px rgba(184, 78, 40, 0.3);
}

.chapter-block .chapter-title {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--forest-deep);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.chapter-block .chapter-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-top: -0.5rem;
  margin-bottom: 1rem;
}

.chapter-block .chapter-body {
  font-size: 0.97rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.chapter-block p {
  margin-bottom: 1.05rem;
  line-height: 1.82;
  font-size: 1rem;
}

.chapter-block h4 {
  font-family: 'Cormorant Garamond', 'Noto Serif TC', serif;
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--forest);
  margin-top: 1.75rem;
  margin-bottom: 0.65rem;
  padding-left: 0.85rem;
  border-left: 3px solid var(--sage-light);
  line-height: 1.35;
}

.chapter-block ul, .chapter-block ol {
  margin: 0.9rem 0 1.1rem 0;
  padding-left: 1.8rem;
}

.chapter-block ul { list-style: none; }
.chapter-block ul li { position: relative; padding-left: 0.2rem; }
.chapter-block ul li::before {
  content: "▸";
  position: absolute;
  left: -1.3rem;
  color: var(--terracotta);
  font-size: 0.82em;
  top: 0.1em;
}

.chapter-block ol { list-style: decimal; }
.chapter-block ol li::marker { color: var(--terracotta); font-weight: 600; }

.chapter-block li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
  font-size: 0.98rem;
}

/* strong inside chapter blocks — darker, bolder, not terracotta */
.chapter-block strong { color: var(--ink); font-weight: 700; }

/* ── Tables (readability-first) ── */
.chapter-block table,
.appendix table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  line-height: 1.6;
  border: 1px solid var(--parchment-edge);
  border-radius: 6px;
  overflow: hidden;
}

.chapter-block th, .chapter-block td,
.appendix th, .appendix td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--parchment-edge);
  text-align: left;
  vertical-align: top;
}

.chapter-block th,
.appendix th {
  background: var(--forest-deep);
  color: var(--parchment-light);
  font-family: 'Noto Serif TC', serif;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--forest);
}

.chapter-block tr:nth-child(odd) td,
.appendix tr:nth-child(odd) td {
  background: var(--parchment-light);
}

.chapter-block tr:nth-child(even) td,
.appendix tr:nth-child(even) td {
  background: var(--parchment-mid);
}

.chapter-block tr:hover td,
.appendix tr:hover td {
  background: rgba(196, 152, 48, 0.12);
  transition: background 0.15s ease;
}

.chapter-block tr:last-child td,
.appendix tr:last-child td {
  border-bottom: none;
}

/* ── Blockquotes ── */
.chapter-block blockquote {
  border-left: 3px solid var(--ochre);
  padding: 0.75rem 1.25rem;
  margin: 1.25rem 0;
  background: var(--parchment-light);
  font-style: italic;
  color: var(--ink-soft);
  border-radius: 0 4px 4px 0;
}

.chapter-block .prose {
  /* Reset for prose wrappers used by some agents */
}

/* ═══════════════════════════════════════════════════
   SVG DIAGRAMS — Responsive + Lightbox
═══════════════════════════════════════════════════ */
.svg-diagram {
  margin: 2rem 0;
  text-align: center;
  cursor: zoom-in;
  position: relative;