/* ==========================================================================
   DaoStillness (道玄功) - Luxury Design System
   Color Palette: Obsidian (#07080A), Velvet Slate (#0E1116), Champagne Gold (#D4AF37)
   ========================================================================== */

:root {
  --bg-deep: #07080A;
  --bg-surface: #0E1015;
  --bg-card: rgba(16, 19, 26, 0.75);
  --bg-card-hover: rgba(24, 28, 38, 0.85);
  --bg-glass: rgba(11, 13, 18, 0.82);

  --gold-300: #F6E6B4;
  --gold-400: #E5C378;
  --gold-500: #D4AF37;
  --gold-600: #AA8722;
  --gold-700: #7A5F14;
  --gold-glow: rgba(212, 175, 55, 0.22);
  --gold-border: rgba(212, 175, 55, 0.28);
  --gold-border-bright: rgba(212, 175, 55, 0.65);

  --text-primary: #F0F2F6;
  --text-secondary: #9DA6B8;
  --text-muted: #646E82;
  --text-gold: #E5C378;

  --font-serif: -apple-system, 'Didot', 'Bodoni MT', 'Songti SC', 'Cinzel', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 9999px;

  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
  background: radial-gradient(circle at 50% 0%, #151822 0%, var(--bg-deep) 60%);
}

/* Canvas Particle Backdrop */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.65;
}

.content-wrapper {
  position: relative;
  z-index: 2;
}

/* Typography Helpers */
.font-serif {
  font-family: var(--font-serif);
}

.gold-gradient-text {
  background: linear-gradient(135deg, #FFF0C2 0%, #D4AF37 50%, #9C7823 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gold-gradient-subtle {
  background: linear-gradient(180deg, #FFFFFF 0%, #D0D5DD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 860px;
}

/* Header & Navigation */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 18px 0;
  background: rgba(7, 8, 10, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-smooth);
}

.header-nav.scrolled {
  padding: 12px 0;
  background: rgba(7, 8, 10, 0.92);
  border-bottom: 1px solid var(--gold-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--text-primary);
}

.seal-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold-500);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  color: var(--gold-400);
  font-size: 18px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.25) 0%, rgba(7, 8, 10, 0.8) 100%);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
}

.brand-subtitle {
  display: block;
  font-size: 0.7rem;
  color: var(--gold-400);
  letter-spacing: 0.25em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover {
  color: var(--gold-300);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--gold-400);
  transition: var(--transition-smooth);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Toggle Button */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  padding: 3px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-pill);
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
}

.lang-btn.active {
  background: var(--gold-500);
  color: #07080A;
  font-weight: 700;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 0 80px;
  position: relative;
}

.hero-aura {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, rgba(7, 8, 10, 0) 70%);
  filter: blur(50px);
  pointer-events: none;
}

.ancient-maxim {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 24px;
  border-radius: var(--radius-pill);
  background: rgba(212, 175, 55, 0.06);
  border: 1px solid var(--gold-border);
  color: var(--gold-300);
  font-size: 0.88rem;
  letter-spacing: 0.2em;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}

.ancient-maxim span.dot {
  width: 6px;
  height: 6px;
  background-color: var(--gold-400);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--gold-400);
}

.hero-heading {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4.8rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.8;
  font-weight: 300;
}

.hero-mirror-quote {
  max-width: 680px;
  margin: 0 auto 48px;
  padding: 24px 32px;
  border-left: 2px solid var(--gold-500);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  text-align: left;
  font-style: italic;
  color: #D1D7E0;
  font-size: 1.02rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* Luxury Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-primary-gold {
  background: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 60%, #AA8722 100%);
  color: #07080A;
  border: 1px solid var(--gold-400);
  box-shadow: 0 4px 25px rgba(212, 175, 55, 0.35);
}

.btn-primary-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 35px rgba(212, 175, 55, 0.55);
  filter: brightness(1.08);
}

.btn-outline-gold {
  background: rgba(7, 8, 10, 0.5);
  color: var(--gold-300);
  border: 1px solid var(--gold-border);
  backdrop-filter: blur(10px);
}

.btn-outline-gold:hover {
  border-color: var(--gold-400);
  background: rgba(212, 175, 55, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.15);
}

/* Section Header */
.section {
  padding: 120px 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 16px;
  font-weight: 600;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.25;
  margin-bottom: 20px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
  line-height: 1.8;
}

.text-center {
  text-align: center;
}

.text-center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* The Sovereign's Dilemma (Cards Grid) */
.dilemma-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 60px;
}

.luxury-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
}

.luxury-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-border-bright), transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.luxury-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-border);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 25px rgba(212, 175, 55, 0.1);
}

.luxury-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--gold-400);
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

.luxury-card:hover .card-icon {
  background: var(--gold-500);
  color: #07080A;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--gold-400);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Interactive Energy Compass Section */
.compass-container {
  margin-top: 60px;
  background: radial-gradient(circle at 50% 50%, rgba(26, 31, 44, 0.5) 0%, rgba(10, 12, 16, 0.85) 100%);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: center;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
}

@media (max-width: 960px) {
  .compass-container {
    grid-template-columns: 1fr;
    padding: 30px 20px;
    gap: 40px;
  }
}

.radar-chart-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.radar-svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.25));
}

.radar-polygon {
  fill: rgba(212, 175, 55, 0.25);
  stroke: var(--gold-400);
  stroke-width: 2;
  transition: all 0.3s ease;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.slider-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.slider-header span.val {
  color: var(--gold-400);
  font-family: monospace;
  font-weight: 700;
}

.luxury-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  transition: var(--transition-smooth);
}

.luxury-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--gold-400);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.7);
  transition: var(--transition-smooth);
}

.luxury-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  background: #FFF;
}

.assessment-result-box {
  margin-top: 28px;
  padding: 20px;
  background: rgba(212, 175, 55, 0.05);
  border: 1px dashed var(--gold-border);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.assessment-result-title {
  color: var(--gold-300);
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Value Ladder / Pricing Section */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
  align-items: stretch;
}

.tier-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 44px 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
}

.tier-card.featured {
  border-color: var(--gold-500);
  background: radial-gradient(circle at 50% 0%, rgba(212, 175, 55, 0.12) 0%, rgba(13, 16, 23, 0.9) 70%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), 0 0 30px rgba(212, 175, 55, 0.15);
  transform: scale(1.02);
}

@media (max-width: 1024px) {
  .tier-card.featured {
    transform: none;
  }
}

.tier-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 100%);
  color: #07080A;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 4px 18px;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.tier-header {
  margin-bottom: 28px;
}

.tier-level {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  color: var(--gold-400);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.tier-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.tier-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
}

.tier-price {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 600;
  color: var(--gold-300);
}

.tier-price-period {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.tier-desc {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 24px;
  min-height: 48px;
}

.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
}

.tier-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: #CFD5E2;
}

.tier-feature-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--gold-400);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Master Bio & Sanctuary Section */
.sanctuary-box {
  background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.08) 0%, rgba(13, 16, 23, 0.9) 70%);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 60px;
}

@media (max-width: 860px) {
  .sanctuary-box {
    grid-template-columns: 1fr;
    padding: 36px 24px;
    gap: 36px;
  }
}

.sanctuary-quote {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1.45;
  color: var(--gold-300);
  margin-bottom: 24px;
}

/* Sacred Application Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 5, 7, 0.88);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

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

.modal-content {
  background: #0D1016;
  border: 1px solid var(--gold-border);
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.9), 0 0 40px rgba(212, 175, 55, 0.15);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 44px;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: var(--transition-smooth);
}

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

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 26px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  color: var(--gold-300);
  transform: rotate(90deg);
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--gold-300);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 500;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold-400);
  background: rgba(212, 175, 55, 0.05);
  box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

.crypto-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 4px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--gold-border);
  font-size: 0.78rem;
  color: var(--gold-300);
  margin-top: 6px;
}

/* Footer */
.footer {
  background: #050608;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 80px 0 40px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--gold-400);
  margin-top: 14px;
  max-width: 440px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
}

.footer-legal-links {
  display: flex;
  gap: 24px;
}

.footer-legal-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-legal-links a:hover {
  color: var(--gold-300);
}

/* Language Visibility Controls */
[data-lang-content="zh"] {
  display: block;
}

[data-lang-content="en"] {
  display: none;
}

body.lang-en [data-lang-content="zh"] {
  display: none !important;
}

body.lang-en [data-lang-content="en"] {
  display: block !important;
}

/* Inline language elements */
span[data-lang-content="zh"], a[data-lang-content="zh"] {
  display: inline;
}

span[data-lang-content="en"], a[data-lang-content="en"] {
  display: none;
}

body.lang-en span[data-lang-content="zh"], body.lang-en a[data-lang-content="zh"] {
  display: none !important;
}

body.lang-en span[data-lang-content="en"], body.lang-en a[data-lang-content="en"] {
  display: inline !important;
}

/* ==========================================================================
   Cinematic Luxury Video Player
   ========================================================================== */
.cinema-player-wrapper {
  position: relative;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
}

.cinema-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.15) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.cinema-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #050608;
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.95), 0 0 45px rgba(212, 175, 55, 0.15);
  transition: var(--transition-smooth);
}

.cinema-box:hover {
  border-color: var(--gold-400);
  box-shadow: 0 35px 90px rgba(0, 0, 0, 1), 0 0 60px rgba(212, 175, 55, 0.25);
}

.cinema-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% 50%, rgba(7, 8, 10, 0.35) 0%, rgba(7, 8, 10, 0.75) 100%);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
  transition: var(--transition-smooth);
  z-index: 5;
}

.video-overlay.playing {
  opacity: 0;
  pointer-events: none;
}

.video-play-btn {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F3E5AB 0%, #D4AF37 60%, #AA8722 100%);
  color: #07080A;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 0 35px rgba(212, 175, 55, 0.6);
  transition: var(--transition-smooth);
}

.video-overlay:hover .video-play-btn {
  transform: scale(1.12);
  box-shadow: 0 0 50px rgba(212, 175, 55, 0.85);
  filter: brightness(1.1);
}

.video-title-wrap {
  text-align: center;
}

.video-tag-text {
  font-size: 1.15rem;
  color: var(--gold-300);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
  font-weight: 500;
}

.video-sub-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

/* ==========================================================================
   Master Portrait Styling (法相呈现)
   ========================================================================== */
.master-portrait-wrap {
  margin: 36px auto 44px;
  max-width: 380px;
  position: relative;
  text-align: center;
}

.master-portrait-wrap::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  height: 90%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.22) 0%, transparent 70%);
  filter: blur(35px);
  pointer-events: none;
}

.master-portrait-border {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 6px;
  background: linear-gradient(135deg, rgba(243, 229, 171, 0.45) 0%, rgba(212, 175, 55, 0.2) 50%, rgba(170, 135, 34, 0.35) 100%);
  border: 1px solid var(--gold-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.9), 0 0 35px rgba(212, 175, 55, 0.15);
  overflow: hidden;
}

.master-portrait-img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 4px);
  display: block;
}

.portrait-caption {
  margin-top: 14px;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--gold-300);
}

/* ==========================================================================
   Comprehensive Mobile Ergonomics (解决手机端拥挤狭窄问题)
   ========================================================================== */
@media (max-width: 768px) {
  .container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .section {
    padding: 50px 0 !important;
  }

  /* Header on Mobile */
  .header-nav {
    padding: 10px 0 !important;
  }

  .nav-container {
    gap: 8px !important;
  }

  .brand-logo {
    gap: 8px !important;
  }

  .seal-icon {
    width: 32px !important;
    height: 32px !important;
    font-size: 0.95rem !important;
  }

  .brand-title {
    font-size: 1.05rem !important;
    letter-spacing: 0.1em !important;
  }

  .brand-subtitle {
    font-size: 0.65rem !important;
  }

  .nav-actions {
    gap: 6px !important;
  }

  .lang-btn {
    padding: 3px 8px !important;
    font-size: 0.7rem !important;
  }

  .nav-actions .btn {
    padding: 6px 12px !important;
    font-size: 0.72rem !important;
  }

  /* Hero Section */
  .hero-section {
    padding: 105px 0 45px !important;
    min-height: auto !important;
  }

  .hero-heading {
    font-size: 1.95rem !important;
    line-height: 1.25 !important;
    margin-bottom: 18px !important;
  }

  .hero-subtitle {
    font-size: 0.95rem !important;
    line-height: 1.75 !important;
    margin-bottom: 26px !important;
    padding: 0 4px !important;
  }

  .ancient-maxim {
    padding: 6px 14px !important;
    font-size: 0.75rem !important;
    margin-bottom: 16px !important;
  }

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

  .hero-actions .btn {
    width: 100% !important;
    padding: 14px 20px !important;
    font-size: 0.92rem !important;
  }

  /* Master Portrait on Mobile */
  .master-portrait-wrap {
    max-width: 280px !important;
    margin: 20px auto 30px !important;
  }

  /* Cards & Narrative Blocks: drastically open up horizontal breathing space */
  .card, .narrative-block, .path-card, .tier-card, .sanctuary-box {
    padding: 22px 16px !important;
    border-radius: 12px !important;
    margin-bottom: 16px !important;
  }

  .verse-line {
    font-size: 0.92rem !important;
    line-height: 1.85 !important;
    margin-bottom: 12px !important;
  }

  .chapter-title {
    font-size: 1.35rem !important;
    margin-bottom: 14px !important;
  }

  /* Grid layouts collapse smoothly */
  .grid-3, .grid-4, .tiers-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .tier-price {
    font-size: 2.1rem !important;
  }

  /* Compass on Mobile */
  .compass-container {
    padding: 20px 14px !important;
    gap: 20px !important;
    margin-top: 24px !important;
  }

  .radar-svg {
    max-width: 280px !important;
  }

  .modal-content {
    padding: 24px 16px !important;
    max-height: 94vh !important;
  }

  .footer-top {
    flex-direction: column !important;
    gap: 26px !important;
  }

  .footer-bottom {
    flex-direction: column !important;
    text-align: center !important;
    gap: 14px !important;
  }

  .footer-legal-links {
    justify-content: center !important;
    gap: 14px !important;
    flex-wrap: wrap !important;
  }
}