/* ==========================================================================
   DREAM PRINT - SHAN HAI JING COLLECTION STYLESHEET
   Aesthetic: Ancient Chinese Mythology × Archaeological Bestiary × Dark Museum
   ========================================================================== */

:root {
  --bg-primary: #07080b;
  --bg-secondary: #0b0d13;
  --bg-surface: #11141c;
  --bg-surface-elevated: #161a24;
  --bg-card: rgba(18, 22, 32, 0.7);
  --bg-card-hover: rgba(26, 32, 46, 0.85);

  --text-primary: #f5f5f7;
  --text-secondary: #9aa3b2;
  --text-muted: #5e6878;
  --text-gold: #d8b87a;
  --text-gold-light: #f3dfb0;

  --accent-gold: #c5a059;
  --accent-gold-glow: rgba(197, 160, 89, 0.25);
  --accent-bronze: #8c7355;
  --accent-cyan: #4ea8de;
  --accent-cyan-glow: rgba(78, 168, 222, 0.2);

  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-gold: rgba(216, 184, 122, 0.25);
  --border-glow: rgba(216, 184, 122, 0.5);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-serif: "Songti SC", "SimSun", "STSong", "Cinzel", "Noto Serif SC", serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;
  --max-width: 1400px;
  --header-height: 70px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%;
  height: auto;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Typography Presets */
.serif-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--text-gold-light);
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-gold);
  margin-bottom: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background: rgba(216, 184, 122, 0.08);
  border: 1px solid rgba(216, 184, 122, 0.2);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 780px;
}

/* ==========================================================================
   Header Navigation Bar
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height, 70px);
  z-index: 1000;
  display: flex;
  align-items: center;
  background: rgba(7, 8, 11, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(7, 8, 11, 0.94);
  border-bottom-color: rgba(216, 184, 122, 0.22);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: #ffffff;
  transition: opacity var(--transition-fast);
}

.brand-logo:hover {
  opacity: 0.85;
}

.brand-logo-icon,
.header-logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(49, 134, 240, 0.6));
  transition: transform var(--transition-fast);
}

.brand-logo:hover .header-logo-img {
  transform: scale(1.05);
}

.brand-logo-text,
.brand-name {
  font-family: inherit;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1;
  display: inline-block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  background: rgba(255, 255, 255, 0.03);
  padding: 5px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.86rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.nav-pill-active {
  color: #ffffff;
  background: rgba(216, 184, 122, 0.16);
  border: 1px solid rgba(216, 184, 122, 0.35);
  box-shadow: 0 0 12px var(--accent-gold-glow);
}

.mobile-nav-cta,
.mobile-menu-backdrop {
  display: none !important;
}

.header-actions-group,
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-action {
  display: flex;
  align-items: center;
}

.btn-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(216, 184, 122, 0.18) 0%, rgba(140, 115, 85, 0.28) 100%);
  border: 1px solid rgba(216, 184, 122, 0.38);
  color: var(--text-gold-light);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-sizing: border-box;
  white-space: nowrap;
}

.btn-contact:hover {
  background: var(--text-gold);
  color: #07080b;
  box-shadow: 0 0 18px rgba(216, 184, 122, 0.4);
  transform: translateY(-1px);
}

.lang-switch-btn,
.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(216, 184, 122, 0.25);
  font-size: 0.80rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-fast);
  box-sizing: border-box;
  white-space: nowrap;
}

.lang-switch-btn:hover,
.lang-switch:hover {
  border-color: rgba(216, 184, 122, 0.5);
  background: rgba(216, 184, 122, 0.08);
  color: var(--text-gold-light);
}

.lang-switch-btn span,
.lang-switch span {
  transition: color var(--transition-fast), font-weight var(--transition-fast);
  line-height: 1;
}

.lang-switch-btn span.active,
.lang-switch span.active {
  color: var(--text-gold-light);
  font-weight: 700;
}

.lang-switch-btn .lang-slash,
.lang-switch .lang-slash {
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.72rem;
  line-height: 1;
}

.mobile-toggle {
  display: none;
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(216, 184, 122, 0.28);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 4px;
  padding: 0;
  cursor: pointer;
  box-sizing: border-box;
  transition: all var(--transition-fast);
  z-index: 1001;
}

.mobile-toggle:hover {
  background: rgba(216, 184, 122, 0.12);
  border-color: var(--text-gold);
}

.mobile-toggle span {
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background-color: var(--text-gold);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  display: block;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ==========================================================================
   Chapter 1: HERO SECTION (Fullbleed Video Background)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
  background-color: #07080b;
}

.hero-video-bg-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.hero-bg-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.hero-video-scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 50%, rgba(7, 8, 11, 0.1) 0%, rgba(7, 8, 11, 0.55) 55%, rgba(7, 8, 11, 0.95) 100%),
              linear-gradient(90deg, rgba(7, 8, 11, 0.92) 0%, rgba(7, 8, 11, 0.68) 42%, rgba(7, 8, 11, 0.08) 80%, rgba(7, 8, 11, 0.3) 100%),
              linear-gradient(0deg, rgba(7, 8, 11, 0.85) 0%, transparent 25%);
  pointer-events: none;
  z-index: 1;
}

.hero-container-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-editorial-left {
  max-width: 700px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.15;
  margin: 16px 0 24px;
}

.hero-desc {
  font-size: 1.15rem;
  color: #b0bac8;
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 44px;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #d8b87a 0%, #b88d44 100%);
  color: #07080b;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(216, 184, 122, 0.35);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
}

.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(216, 184, 122, 0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: #f1f5f9;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(216, 184, 122, 0.35);
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #cbd5e1;
  background: rgba(7, 8, 11, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-gold);
  box-shadow: 0 0 8px var(--accent-gold-glow);
}

/* ==========================================================================
   Chapter 2: THE BOOK SECTION (古籍) - Redesigned Balanced Museum Layout
   ========================================================================== */
.book-section {
  padding: 120px 0;
  background: linear-gradient(180deg, #07080b 0%, #0b0e14 50%, #07080b 100%);
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.book-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(216, 184, 122, 0.3) 50%, transparent 100%);
}

.book-header {
  text-align: center;
  max-width: 880px;
  margin: 0 auto 60px;
}

.book-header .section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  line-height: 1.25;
  color: #ffffff;
  margin-top: 12px;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.book-header .section-desc {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-gold-light);
  font-weight: 500;
  max-width: 760px;
  margin: 0 auto;
}

.book-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: stretch;
}

.book-codex-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(18, 22, 32, 0.85) 0%, rgba(10, 13, 19, 0.95) 100%);
  border: 1px solid rgba(216, 184, 122, 0.22);
  padding: 44px 40px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.book-codex-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(216, 184, 122, 0.5) 50%, transparent 100%);
  opacity: 0.6;
}

.book-codex-card:hover {
  border-color: rgba(216, 184, 122, 0.45);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.75), 0 0 30px rgba(216, 184, 122, 0.12);
  transform: translateY(-4px);
}

.book-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.book-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--text-gold-light);
  text-transform: uppercase;
}

.book-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-gold);
  box-shadow: 0 0 8px var(--accent-gold-glow);
}

.book-card-seal {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.78rem;
  color: var(--text-gold);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(216, 184, 122, 0.4);
  background: rgba(216, 184, 122, 0.08);
  letter-spacing: 0.15em;
}

.book-quote-block {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  line-height: 1.75;
  color: var(--text-gold-light);
  font-style: italic;
  margin-bottom: 22px;
  padding-left: 18px;
  border-left: 3px solid var(--text-gold);
}

.book-card-p {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 14px;
}

.book-card-p.highlighted {
  color: #e2e8f0;
  font-size: 1.0rem;
}

.book-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed rgba(216, 184, 122, 0.15);
}

.book-chip {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.book-codex-card:hover .book-chip {
  color: var(--text-secondary);
  border-color: rgba(216, 184, 122, 0.2);
}

@media (max-width: 900px) {
  .book-cards-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ==========================================================================
   Chapter 3: THE WORLD SECTION (山海图)
   ========================================================================== */
.world-section {
  padding: 120px 0;
  background: #080b10;
  position: relative;
}

.world-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.world-nodes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.world-node-card {
  border-radius: var(--radius-lg);
  background: rgba(17, 22, 32, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 32px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.world-node-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 184, 122, 0.35);
  background: rgba(23, 30, 44, 0.85);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 24px var(--accent-gold-glow);
}

.world-node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.world-node-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: #ffffff;
  font-weight: 600;
}

.world-node-beast {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--text-gold);
  background: rgba(216, 184, 122, 0.1);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(216, 184, 122, 0.2);
}

.world-node-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Chapter 4: THE BESTIARY (异兽图鉴 - Editorial Unregular Gallery)
   ========================================================================== */
.bestiary-section {
  padding: 120px 0;
  background: #07080b;
  position: relative;
}

.bestiary-header {
  margin-bottom: 56px;
  max-width: 800px;
}

.bestiary-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.creature-item-card {
  position: relative;
  width: 100%;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(16, 21, 30, 0.92) 0%, rgba(9, 12, 18, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
  padding: 48px 52px;
  gap: 48px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.creature-item-card:hover {
  transform: translateY(-6px);
  border-color: rgba(216, 184, 122, 0.45);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 36px var(--accent-gold-glow);
}

.creature-card-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 2;
  height: 100%;
}

.creature-card-top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.creature-exhibit-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--text-gold);
  background: rgba(216, 184, 122, 0.12);
  border: 1px solid rgba(216, 184, 122, 0.28);
  padding: 4px 10px;
  border-radius: 6px;
}

.creature-series-tag {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a3c2e0;
  font-weight: 600;
}

.creature-card-title {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 12px;
}

.creature-story-quote {
  margin: 0 0 16px 0;
  padding: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--text-gold-light);
  text-shadow: 0 0 12px rgba(243, 223, 176, 0.18);
}

.creature-card-story {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #9cb2c7;
  margin-bottom: 24px;
  font-weight: 300;
}

/* Key Value Matrix */
.creature-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: 100%;
  margin-bottom: 26px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.spec-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #64748b;
  font-weight: 500;
}

.spec-val {
  font-size: 0.88rem;
  font-weight: 500;
  color: #f1f5f9;
  line-height: 1.35;
}

/* Footer Badge & Button */
.creature-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  gap: 16px;
}

.creature-craft-badge {
  display: flex;
  align-items: center;
  gap: 8px;
}

.craft-bullet-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-gold);
  box-shadow: 0 0 8px var(--text-gold);
  flex-shrink: 0;
}

.craft-note-text {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: #94a3b8;
  font-weight: 400;
}

.btn-card-inquire {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 9999px;
  background: #ffffff;
  color: #07080b;
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.btn-card-inquire:hover {
  background: var(--text-gold);
  color: #07080b;
  box-shadow: 0 0 20px rgba(216, 184, 122, 0.5);
  transform: translateY(-2px);
}

/* Right Visual Display */
.creature-card-visual {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: radial-gradient(circle at center, #1b212d 0%, #0d1017 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.creature-visual-frame {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.creature-card-visual img {
  width: 100%;
  height: 100%;
  max-height: 440px;
  object-fit: contain;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.4));
}

.creature-item-card:hover .creature-card-visual img {
  transform: scale(1.04);
}

/* ==========================================================================
   Chapter 5: FROM MYTH TO FORM (形塑)
   ========================================================================= */
.myth-to-form-section {
  padding: 120px 0;
  background: linear-gradient(180deg, #07080b 0%, #0c0f16 100%);
  position: relative;
}

.stages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.stage-card {
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 32px 24px;
  transition: all var(--transition-normal);
}

.stage-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 184, 122, 0.35);
  background: rgba(255, 255, 255, 0.05);
}

.stage-num-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-gold);
  margin-bottom: 12px;
}

.stage-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 14px;
  line-height: 1.35;
}

.stage-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Chapter 6: THE SCULPTURE (雕塑之髓)
   ========================================================================== */
.sculpture-section {
  padding: 120px 0;
  background: #080a0f;
  position: relative;
}

.sculpt-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.sculpt-card {
  border-radius: var(--radius-lg);
  background: rgba(18, 23, 33, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 32px;
  transition: all var(--transition-normal);
}

.sculpt-card:hover {
  border-color: rgba(216, 184, 122, 0.3);
  transform: translateY(-3px);
}

.sculpt-card-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: #ffffff;
  margin-bottom: 12px;
}

.sculpt-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Chapter 7: THE MAKING (工法)
   ========================================================================== */
.making-section {
  padding: 120px 0;
  background: #07080b;
  position: relative;
}

.making-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.making-card {
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(22, 28, 40, 0.7) 0%, rgba(12, 16, 23, 0.9) 100%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  padding: 32px 24px;
}

.making-card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 12px;
}

.making-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   Chapter 8: THE CREATURES RETURN (归来)
   ========================================================================== */
.return-section {
  padding: 140px 0;
  background: radial-gradient(circle at center, rgba(30, 38, 54, 0.5) 0%, rgba(7, 8, 11, 0.98) 80%);
  text-align: center;
  position: relative;
}

.return-content {
  max-width: 860px;
  margin: 0 auto;
}

.return-title {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  line-height: 1.2;
  color: #ffffff;
  margin: 20px 0 28px;
}

.return-p {
  font-size: 1.15rem;
  color: #b0bac8;
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ==========================================================================
   Chapter 9: BUILD YOUR OWN BESTIARY (打造藏馆)
   ========================================================================== */
.build-section {
  padding: 100px 0;
  background: #080a0f;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.build-card-wrapper {
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(24, 30, 44, 0.8) 0%, rgba(12, 15, 22, 0.95) 100%);
  border: 1px solid rgba(216, 184, 122, 0.25);
  padding: 56px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 48px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.build-perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.build-perk-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #e2e8f0;
}

.build-perk-bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-gold);
  box-shadow: 0 0 10px var(--text-gold);
}

/* ==========================================================================
   Chapter 10: COLLECTOR FAQ SECTION (常见问答与藏家须知 - 2x2 Dark Gold Grid)
   ========================================================================== */
.faq-section {
  padding: 120px 0;
  background: linear-gradient(180deg, #07080b 0%, #0b0e14 50%, #07080b 100%);
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.faq-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(216, 184, 122, 0.3) 50%, transparent 100%);
}

.faq-header {
  text-align: center;
  max-width: 880px;
  margin: 0 auto 60px;
}

.faq-header .section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  line-height: 1.25;
  color: #ffffff;
  margin-top: 12px;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.faq-header .section-desc {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--text-gold-light);
  max-width: 760px;
  margin: 0 auto;
}

.faq-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: stretch;
}

.faq-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(18, 22, 32, 0.85) 0%, rgba(10, 13, 19, 0.95) 100%);
  border: 1px solid rgba(216, 184, 122, 0.22);
  padding: 38px 34px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(16px);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.faq-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, rgba(216, 184, 122, 0.5) 50%, transparent 100%);
  opacity: 0.6;
}

.faq-card:hover {
  border-color: rgba(216, 184, 122, 0.45);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.75), 0 0 30px rgba(216, 184, 122, 0.12);
  transform: translateY(-4px);
}

.faq-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-card-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-gold);
  letter-spacing: 0.05em;
}

.faq-card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--text-gold-light);
  background: rgba(216, 184, 122, 0.08);
  border: 1px solid rgba(216, 184, 122, 0.3);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.faq-card-title {
  font-family: var(--font-sans);
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.45;
  color: #ffffff;
  margin-bottom: 14px;
}

.faq-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
  flex: 1;
}

.faq-card-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px dashed rgba(216, 184, 122, 0.15);
}

.faq-chip {
  font-size: 0.78rem;
  color: var(--text-gold-light);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
}

.faq-card:hover .faq-chip {
  border-color: rgba(216, 184, 122, 0.25);
  background: rgba(216, 184, 122, 0.06);
}

@media (max-width: 900px) {
  .faq-cards-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ==========================================================================
   Chapter 11: BESPOKE INQUIRY & DIRECT MAKER HUB (底部定制与工坊直通)
   ========================================================================== */
.contact-hub-section {
  padding: 100px 0 120px;
  background: #080b10;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
}

.contact-hub-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: stretch;
}

.hub-channel-card,
.inquiry-form-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, rgba(17, 22, 33, 0.85) 0%, rgba(10, 13, 19, 0.95) 100%);
  border: 1px solid rgba(216, 184, 122, 0.2);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7);
  padding: 48px;
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hub-top-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #4ea8de;
  background: rgba(78, 168, 222, 0.1);
  border: 1px solid rgba(78, 168, 222, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  width: fit-content;
}

.hub-title {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 14px;
}

.hub-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
}

.hub-channels-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.hub-channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hub-channel-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(216, 184, 122, 0.35);
  transform: translateX(4px);
}

.hub-channel-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hub-channel-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(216, 184, 122, 0.1);
  border: 1px solid rgba(216, 184, 122, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-gold);
  flex-shrink: 0;
}

.hub-channel-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 2px;
}

.hub-channel-val {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hub-channel-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-gold);
  background: rgba(216, 184, 122, 0.1);
  border: 1px solid rgba(216, 184, 122, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.hub-trust-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.hub-trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.hub-trust-icon {
  width: 18px;
  height: 18px;
  color: var(--text-gold);
  flex-shrink: 0;
}

/* Form Side */
.inquiry-form-header {
  margin-bottom: 28px;
}

.inquiry-form-title {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 8px;
}

.inquiry-form-sub {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.form-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 0.92rem;
  font-family: inherit;
  outline: none;
  transition: all var(--transition-fast);
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-gold);
  box-shadow: 0 0 12px var(--accent-gold-glow);
}

.form-control option {
  background: #0f131a;
  color: #ffffff;
}

textarea.form-control {
  min-height: 110px;
  resize: vertical;
}

.btn-form-submit {
  width: 100%;
  padding: 16px;
  border-radius: var(--radius-md);
  background: #1e2533;
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 8px;
}

.btn-form-submit:hover {
  background: var(--text-gold);
  color: #07080b;
  border-color: var(--text-gold);
  box-shadow: 0 8px 24px rgba(216, 184, 122, 0.4);
  transform: translateY(-1px);
}

.form-status-msg {
  display: none;
  padding: 12px;
  margin-top: 14px;
  border-radius: var(--radius-sm);
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid rgba(46, 204, 113, 0.3);
  color: #2ecc71;
  font-size: 0.9rem;
  text-align: center;
}

.form-bottom-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 14px;
}

/* ==========================================================================
   Minimal Footer
   ========================================================================== */
.site-footer {
  padding: 60px 0 40px;
  background: #050608;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-minimal-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-minimal-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-minimal-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

.footer-minimal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
}

.footer-minimal-nav a {
  color: var(--text-secondary);
  font-size: 0.88rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-minimal-nav a:hover {
  color: var(--text-gold);
}

.footer-minimal-social {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: flex-end;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 0.82rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(216, 184, 122, 0.3);
}

.footer-minimal-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
  background: #0f131a;
  border: 1px solid rgba(216, 184, 122, 0.3);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  padding: 36px;
  text-align: center;
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: #ffffff;
}

.wechat-modal-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.wechat-modal-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.qr-code-wrapper {
  width: 200px;
  height: 200px;
  margin: 0 auto 20px;
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wechat-qr-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.wechat-id-display {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-gold);
  background: rgba(216, 184, 122, 0.1);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 16px;
}

/* ==========================================================================
   Responsive Adaptations (多端响应式适配)
   ========================================================================== */

/* --- Tablet / Medium Screens (<= 1024px) --- */
@media (max-width: 1024px) {
  .hero-grid-layout,
  .book-layout,
  .creature-item-card,
  .build-card-wrapper,
  .contact-hub-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .world-nodes-grid,
  .sculpt-grid,
  .stages-grid,
  .making-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .faq-cards-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-minimal-wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }

  .footer-minimal-social {
    justify-content: flex-start;
  }
}

/* --- Mobile Landscape & Portrait (<= 768px) --- */
@media (max-width: 768px) {
  :root {
    --header-height: 62px;
  }

  .container {
    padding: 0 20px !important;
  }

  /* Header & Navigation */
  .site-header {
    height: 62px !important;
  }

  .header-actions-group {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
  }

  .header-action {
    display: none !important;
  }

  .lang-switch-btn,
  .lang-switch {
    height: 36px !important;
    padding: 0 12px !important;
    font-size: 0.78rem !important;
  }

  .mobile-toggle {
    display: flex !important;
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
  }

  /* Backdrop blur and dim overlay */
  .mobile-menu-backdrop {
    display: block !important;
    position: fixed !important;
    top: 62px !important;
    left: 0 !important;
    width: 100vw !important;
    height: calc(100vh - 62px) !important;
    background: rgba(0, 0, 0, 0.65) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: opacity 0.28s ease !important;
    z-index: 990 !important;
  }

  .mobile-menu-backdrop.active,
  body.menu-open .mobile-menu-backdrop {
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  body.menu-open {
    overflow: hidden !important;
  }

  /* Nav Menu Drawer */
  .nav-menu {
    position: fixed !important;
    top: 62px !important;
    left: 0 !important;
    width: 100% !important;
    max-height: calc(100vh - 62px - 16px) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    background: #0f1117 !important;
    border-radius: 0 0 24px 24px !important;
    border: none !important;
    border-bottom: 1px solid rgba(216, 184, 122, 0.3) !important;
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 16px 16px 24px !important;
    gap: 10px !important;
    transform: translateY(-100%) !important;
    opacity: 0 !important;
    pointer-events: none !important;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease !important;
    box-shadow: 0 24px 50px rgba(0, 0, 0, 0.9) !important;
    z-index: 999 !important;
    list-style: none !important;
  }

  .nav-menu.active {
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }

  .nav-menu > li {
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
  }

  .nav-menu .nav-link {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: 100% !important;
    padding: 13px 16px !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    color: var(--text-primary) !important;
    border-radius: 12px !important;
    background: rgba(255, 255, 255, 0.04) !important;
    text-align: left !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    box-sizing: border-box !important;
    text-decoration: none !important;
    transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease !important;
  }

  .nav-menu .nav-link:hover,
  .nav-menu .nav-link.nav-pill-active {
    background: rgba(216, 184, 122, 0.16) !important;
    color: var(--text-gold-light) !important;
    border-color: rgba(216, 184, 122, 0.4) !important;
    box-shadow: none !important;
  }

  .nav-menu .nav-link::after {
    display: none !important;
  }

  /* Mobile Dropdown Row & Accordion */
  .nav-dropdown {
    width: 100% !important;
  }

  .nav-dropdown-trigger-wrap {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    border-radius: 12px !important;
    background: rgba(255, 255, 255, 0.04) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
    transition: background 0.18s ease, border-color 0.18s ease !important;
  }

  .nav-dropdown.is-open .nav-dropdown-trigger-wrap {
    background: rgba(216, 184, 122, 0.12) !important;
    border-color: rgba(216, 184, 122, 0.35) !important;
  }

  .nav-dropdown-trigger-wrap .nav-dropdown-trigger {
    width: auto !important;
    flex: 1 1 auto !important;
    min-width: 0 !important;
    background: transparent !important;
    border: none !important;
    padding: 13px 16px !important;
    color: var(--text-primary) !important;
    font-size: 1rem !important;
    font-weight: 500 !important;
    text-decoration: none !important;
    text-align: left !important;
    cursor: pointer !important;
  }

  .nav-dropdown.is-open .nav-dropdown-trigger {
    color: var(--text-gold-light) !important;
    font-weight: 600 !important;
  }

  .nav-dropdown-arrow-btn {
    width: 44px !important;
    height: 48px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    color: var(--text-secondary) !important;
    background: transparent !important;
    border: none !important;
    padding: 0 12px 0 0 !important;
    flex-shrink: 0 !important;
  }

  .dropdown-chevron {
    transition: transform 0.25s ease, stroke 0.2s ease !important;
  }

  .nav-dropdown.is-open .dropdown-chevron {
    transform: rotate(180deg) !important;
    stroke: var(--text-gold-light) !important;
  }

  /* Mobile Contact CTA */
  .mobile-nav-cta {
    display: block !important;
    width: 100% !important;
    margin-top: 6px !important;
    padding-top: 10px !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
  }

  .mobile-menu-contact-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: 46px !important;
    border-radius: 23px !important;
    font-size: 0.98rem !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, rgba(216, 184, 122, 0.32) 0%, rgba(140, 115, 85, 0.48) 100%) !important;
    border: 1px solid rgba(216, 184, 122, 0.5) !important;
    color: var(--text-gold-light) !important;
    text-decoration: none !important;
    box-shadow: 0 4px 14px rgba(216, 184, 122, 0.2) !important;
    transition: transform 0.18s ease, box-shadow 0.18s ease !important;
  }

  .mobile-menu-contact-btn:hover,
  .mobile-menu-contact-btn:active {
    transform: translateY(-1px) !important;
    box-shadow: 0 6px 18px rgba(216, 184, 122, 0.3) !important;
  }

  /* General Section Typography & Spacings */
  .book-section,
  .world-section,
  .bestiary-section,
  .myth-to-form-section,
  .sculpture-section,
  .making-section,
  .return-section,
  .build-section,
  .faq-section,
  .contact-hub-section {
    padding: 64px 0 !important;
  }

  .section-title {
    font-size: 1.9rem !important;
    line-height: 1.25 !important;
    margin-bottom: 12px !important;
  }

  .section-desc {
    font-size: 0.95rem !important;
    line-height: 1.7 !important;
  }

  .book-header,
  .world-header,
  .faq-header {
    margin-bottom: 40px !important;
  }

  /* Chapter 1: Hero Section */
  .hero-section {
    min-height: auto !important;
    padding-top: calc(62px + 28px) !important;
    padding-bottom: 56px !important;
  }

  .hero-title {
    font-size: 2.2rem !important;
    line-height: 1.2 !important;
    margin-bottom: 16px !important;
  }

  .hero-desc {
    font-size: 0.98rem !important;
    line-height: 1.7 !important;
    margin-bottom: 24px !important;
  }

  .hero-actions {
    flex-direction: column !important;
    width: 100% !important;
    gap: 12px !important;
    margin-bottom: 28px !important;
  }

  .btn-hero-primary,
  .btn-hero-secondary {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 13px 20px !important;
  }

  .hero-badges-row {
    gap: 8px !important;
  }

  .hero-badge-pill {
    font-size: 0.75rem !important;
    padding: 5px 12px !important;
  }

  /* Chapter 2: Book Codex Section */
  .book-cards-grid {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .book-codex-card {
    padding: 28px 20px !important;
    border-radius: var(--radius-lg) !important;
  }

  .book-card-seal {
    font-size: 0.82rem !important;
  }

  .book-quote-block {
    font-size: 1rem !important;
    line-height: 1.65 !important;
    margin-bottom: 16px !important;
  }

  .book-card-p {
    font-size: 0.9rem !important;
  }

  /* Chapter 3: The World */
  .world-nodes-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .world-node-card {
    padding: 24px 18px !important;
    border-radius: var(--radius-lg) !important;
  }

  /* Chapter 4: The Bestiary Cards */
  .bestiary-cards-grid {
    gap: 28px !important;
  }

  .creature-item-card {
    grid-template-columns: 1fr !important;
    padding: 24px 18px !important;
    gap: 24px !important;
    border-radius: var(--radius-lg) !important;
  }

  .creature-card-visual {
    min-height: 260px !important;
    max-height: 320px !important;
  }

  .creature-card-visual img {
    max-height: 280px !important;
  }

  .creature-card-title {
    font-size: 1.7rem !important;
  }

  .creature-story-quote {
    font-size: 0.98rem !important;
    line-height: 1.6 !important;
    margin-bottom: 14px !important;
  }

  .creature-card-story {
    font-size: 0.88rem !important;
    line-height: 1.7 !important;
    margin-bottom: 18px !important;
  }

  .creature-specs-grid {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    padding: 14px 16px !important;
    margin-bottom: 18px !important;
  }

  .creature-card-footer {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 14px !important;
    padding-top: 16px !important;
  }

  .creature-craft-badge {
    justify-content: flex-start !important;
  }

  .btn-card-inquire {
    width: 100% !important;
    justify-content: center !important;
    padding: 12px 20px !important;
    text-align: center !important;
  }

  /* Chapter 5: Myth to Form (Stages) */
  .stages-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    margin-top: 32px !important;
  }

  .stage-card {
    padding: 24px 18px !important;
  }

  /* Chapter 6: Sculpture */
  .sculpt-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    margin-top: 32px !important;
  }

  .sculpt-card {
    padding: 24px 18px !important;
  }

  /* Chapter 7: Making */
  .making-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    margin-top: 32px !important;
  }

  .making-card {
    padding: 24px 18px !important;
  }

  /* Chapter 8: Return to Primordial */
  .return-title {
    font-size: 2.1rem !important;
    margin: 16px 0 20px !important;
  }

  .return-p {
    font-size: 0.95rem !important;
    line-height: 1.75 !important;
  }

  /* Chapter 9: Collection & Bespoke */
  .build-card-wrapper {
    grid-template-columns: 1fr !important;
    padding: 28px 18px !important;
    gap: 28px !important;
    border-radius: var(--radius-lg) !important;
  }

  .build-perks-list {
    gap: 14px !important;
  }

  /* Chapter 10: FAQ */
  .faq-cards-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .faq-card {
    padding: 24px 18px !important;
    border-radius: var(--radius-lg) !important;
  }

  .faq-card-title {
    font-size: 1.15rem !important;
  }

  /* Chapter 11: Contact Hub & Form */
  .contact-hub-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .hub-channel-card,
  .inquiry-form-card {
    padding: 28px 18px !important;
    border-radius: var(--radius-lg) !important;
  }

  .hub-channel-item {
    padding: 14px 16px !important;
  }

  .form-grid-2col {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .btn-form-submit {
    width: 100% !important;
    justify-content: center !important;
    padding: 14px 20px !important;
  }

  /* Modals */
  .modal-box {
    max-width: 92vw !important;
    padding: 28px 18px !important;
    border-radius: 20px !important;
  }

  .qr-code-wrapper {
    width: 160px !important;
    height: 160px !important;
    margin: 0 auto 16px !important;
  }

  /* Footer Minimal Layout */
  .site-footer {
    padding: 48px 0 32px !important;
  }

  .footer-minimal-wrap {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 24px !important;
    margin-bottom: 32px !important;
  }

  .footer-minimal-desc {
    max-width: 100% !important;
    font-size: 0.84rem !important;
    line-height: 1.65 !important;
  }

  .footer-minimal-nav {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 10px 18px !important;
  }

  .footer-minimal-nav a {
    font-size: 0.85rem !important;
  }

  .footer-minimal-social {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
    justify-content: flex-start !important;
  }

  .footer-social-link {
    padding: 8px 14px !important;
    font-size: 0.82rem !important;
  }

  .footer-minimal-bottom {
    flex-direction: column !important;
    gap: 12px !important;
    text-align: center !important;
    padding-top: 20px !important;
  }

  #btn-back-to-top {
    bottom: 20px !important;
    right: 20px !important;
    width: 42px !important;
    height: 42px !important;
  }
}

/* --- Small Mobile Phones (<= 480px) --- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px !important;
  }

  .section-title {
    font-size: 1.65rem !important;
  }

  .section-desc {
    font-size: 0.90rem !important;
  }

  .hero-title {
    font-size: 1.85rem !important;
  }

  .hero-desc {
    font-size: 0.92rem !important;
  }

  .return-title {
    font-size: 1.75rem !important;
  }

  .hub-channel-item {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 10px !important;
    padding: 14px !important;
  }

  .hub-channel-badge {
    margin-left: 54px !important;
    align-self: flex-start !important;
  }

  .book-codex-card,
  .creature-item-card,
  .stage-card,
  .sculpt-card,
  .making-card,
  .build-card-wrapper,
  .faq-card,
  .hub-channel-card,
  .inquiry-form-card {
    padding: 22px 14px !important;
  }

  .creature-card-title {
    font-size: 1.55rem !important;
  }
}


/* ==========================================================================
   INTERACTIVE ANIMATIONS & TRANSITIONS ENGINE (山海经交互与过渡特效)
   ========================================================================== */

/* Top Antique Gold Scroll Progress Bar */
#shanhai-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2.5px;
  width: 0%;
  background: linear-gradient(90deg, #9b722b 0%, #d8b87a 50%, #fff0cc 100%);
  box-shadow: 0 0 10px rgba(216, 184, 122, 0.8), 0 0 20px rgba(216, 184, 122, 0.4);
  z-index: 99999;
  pointer-events: none;
  transition: width 0.1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Scroll Reveal Engine */
.reveal-on-scroll,
.apple-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-revealed,
.apple-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger Delays for Cascade Entrances */
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* Interactive Cursor Spotlight Glow Effect on Cards */
.book-codex-card,
.world-node-card,
.creature-item-card,
.sculpt-card,
.making-card,
.faq-card,
.hub-channel-card,
.inquiry-form-card,
.stage-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              background 0.4s ease;
}

.book-codex-card::after,
.world-node-card::after,
.creature-item-card::after,
.sculpt-card::after,
.making-card::after,
.faq-card::after,
.hub-channel-card::after,
.inquiry-form-card::after,
.stage-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(450px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(216, 184, 122, 0.12), transparent 55%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 1;
  border-radius: inherit;
}

.book-codex-card:hover::after,
.world-node-card:hover::after,
.creature-item-card:hover::after,
.sculpt-card:hover::after,
.making-card:hover::after,
.faq-card:hover::after,
.hub-channel-card:hover::after,
.inquiry-form-card:hover::after,
.stage-card:hover::after {
  opacity: 1;
}

/* Ensure inner content stays above spotlight overlay */
.book-codex-card > *,
.world-node-card > *,
.creature-item-card > *,
.sculpt-card > *,
.making-card > *,
.faq-card > *,
.hub-channel-card > *,
.inquiry-form-card > *,
.stage-card > * {
  position: relative;
  z-index: 2;
}

/* Interactive Card Hover Tilts & Micro-Lifting */
.creature-item-card {
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.creature-item-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 184, 122, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(216, 184, 122, 0.1);
}

.creature-visual-frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.creature-visual-frame img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.7s ease;
}

.creature-item-card:hover .creature-visual-frame img {
  transform: scale(1.05);
  filter: contrast(1.04) brightness(1.02);
}

/* Luxury Light Shimmer on Primary CTA Buttons */
.btn-hero-primary,
.btn-form-submit,
.btn-card-inquire,
.btn-contact {
  position: relative;
  overflow: hidden;
}

.btn-hero-primary::after,
.btn-form-submit::after,
.btn-card-inquire::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 30%;
  height: 200%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.35) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: rotate(25deg);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-hero-primary:hover::after,
.btn-form-submit:hover::after,
.btn-card-inquire:hover::after {
  opacity: 1;
  animation: goldShimmer 1.2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes goldShimmer {
  0% { transform: translateX(-120%) rotate(25deg); }
  100% { transform: translateX(450%) rotate(25deg); }
}

/* Gold Pulse Glow on Badges and Status Dots */
.hero-badge-dot,
.book-badge-dot,
.craft-bullet-dot,
.build-perk-bullet {
  animation: goldDotPulse 3s ease-in-out infinite;
}

@keyframes goldDotPulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 6px var(--accent-gold-glow);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.3);
    box-shadow: 0 0 14px rgba(216, 184, 122, 0.95), 0 0 20px rgba(216, 184, 122, 0.4);
    opacity: 1;
  }
}

/* Floating "Back to Top" Button */
#btn-back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(216, 184, 122, 0.3);
  color: var(--text-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 16px rgba(216, 184, 122, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0.4s ease,
              border-color 0.3s ease,
              background 0.3s ease,
              box-shadow 0.3s ease;
}

#btn-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

#btn-back-to-top:hover {
  border-color: rgba(216, 184, 122, 0.8);
  background: rgba(23, 30, 44, 0.95);
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.7), 0 0 24px rgba(216, 184, 122, 0.45);
  color: #ffffff;
}

/* Active Nav Pill Transition */
.nav-link {
  position: relative;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 18px;
  height: 2px;
  background: var(--text-gold);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 8px var(--accent-gold-glow);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-link.nav-pill-active {
  color: #ffffff;
}

.nav-link.nav-pill-active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Modal Fluid Transition */
.modal-overlay {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease, backdrop-filter 0.35s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  transform: scale(0.92) translateY(20px);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease;
}

.modal-overlay.active .modal-box {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Hero Content Entrance Animation */
@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(28px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-editorial-left {
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}