:root {
  --bg-app: #F2EFE9;
  --bg-scene-top: #F1ECE2;
  --bg-card: #FCFBFA;
  --bg-panel: #F4F7F5;
  --bg-surface-muted: #E8EFEA;
  --primary: #6B8E7B;
  --primary-strong: #678775;
  --primary-soft: #759684;
  --foreground: #4A5D53;
  --body: #333333;
  --secondary: #5C7566;
  --subtle: #8A9A91;
  --muted: #A0B0A6;
  --inverse: #FFFFFF;
  --soft: #E8EFEA;
  --default: #EAE6DF;
  --tint: #D5E0D8;
  --ai-bubble: #E7DAC8;

  --font-serif: "Noto Serif SC", Georgia, "Songti SC", "SimSun", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", STHeiti, "Microsoft Yahei", Tahoma, Simsun, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(57, 68, 63, 0.06), 0 1px 2px rgba(57, 68, 63, 0.04);
  --shadow-md: 0 4px 12px rgba(57, 68, 63, 0.08), 0 2px 4px rgba(57, 68, 63, 0.04);
  --shadow-lg: 0 12px 32px rgba(57, 68, 63, 0.10), 0 4px 8px rgba(57, 68, 63, 0.05);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.t-hero {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--foreground);
}

.t-section {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--foreground);
}

.t-lead {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.8;
  color: var(--subtle);
  max-width: 52ch;
}

.t-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}

.section-label {
  margin-bottom: var(--space-sm);
}

.section-lead {
  margin-top: var(--space-md);
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--inverse);
  box-shadow: 0 6px 20px rgba(107, 142, 123, 0.28);
}

.btn-primary:hover {
  background: var(--primary-strong);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(107, 142, 123, 0.34);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary);
  border: 1.5px solid var(--soft);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--tint);
  background: var(--bg-panel);
  color: var(--primary);
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--primary-strong);
  background: var(--bg-surface-muted);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) 0;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  background: rgba(252, 251, 250, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--foreground);
}

.nav-brand-mark {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-muted);
  border: 1px solid var(--tint);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a:not(.btn) {
  font-size: 0.9rem;
  color: var(--subtle);
  transition: color 0.2s ease;
}

.nav-links a:not(.btn):hover {
  color: var(--primary);
}

.nav-cta {
  padding: 0.6rem 1.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--foreground);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--space-5xl) + 3rem) 0 var(--space-4xl);
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-glow-1 {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 55vw;
  height: 55vw;
  max-width: 700px;
  max-height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 142, 123, 0.10) 0%, transparent 70%);
  animation: drift 10s ease-in-out infinite alternate;
}

.hero-glow-2 {
  position: absolute;
  bottom: -10%;
  left: -8%;
  width: 45vw;
  height: 45vw;
  max-width: 560px;
  max-height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(231, 218, 200, 0.35) 0%, transparent 70%);
  animation: drift 12s ease-in-out infinite alternate-reverse;
}

.hero-orb {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(117, 150, 132, 0.08) 0%, transparent 65%);
  animation: breathe 6s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes drift {
  from { transform: translate(0, 0); }
  to { transform: translate(30px, -20px); }
}

@keyframes breathe {
  0%, 100% {
    transform: translate(-50%, -50%) scale(0.96);
    opacity: 0.7;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.08);
    opacity: 1;
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-tag {
  margin-bottom: var(--space-xl);
}

.hero-title {
  margin-bottom: var(--space-lg);
  max-width: 14ch;
}

.hero-lead {
  margin-bottom: var(--space-2xl);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  animation: float 3s ease-in-out infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--muted), transparent);
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

.value-section {
  background: linear-gradient(180deg, var(--bg-app) 0%, var(--bg-scene-top) 100%);
}

.value-header {
  margin-bottom: var(--space-3xl);
  max-width: 58ch;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.value-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-2xl) var(--space-xl);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.value-icon {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-panel);
  color: var(--primary);
  font-size: 1.35rem;
  margin-bottom: var(--space-lg);
}

.value-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.value-card p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--subtle);
}

.ifs-section {
  background: linear-gradient(180deg, var(--bg-app) 0%, var(--bg-scene-top) 100%);
}

.ifs-header,
.features-header,
.scenes-header,
.reading-header {
  margin-bottom: var(--space-3xl);
  max-width: 55ch;
}

.ifs-grid,
.scenes-grid,
.reading-grid {
  display: grid;
  gap: var(--space-lg);
}

.ifs-grid,
.scenes-grid {
  grid-template-columns: repeat(3, 1fr);
}

.ifs-card,
.scene-card,
.reading-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ifs-card:hover,
.scene-card:hover,
.reading-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.ifs-card {
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
  overflow: hidden;
}

.ifs-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-soft), var(--primary));
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.ifs-card-num {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-surface-muted);
  color: var(--primary);
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.ifs-card h3,
.scene-card h3,
.reading-card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--foreground);
}

.ifs-card h3 {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.ifs-card p,
.scene-card p,
.reading-card p,
.feature-content p,
.reading-footnote p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--subtle);
}

.features-section {
  background: var(--bg-card);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  margin-bottom: var(--space-4xl);
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--bg-panel) 0%, var(--bg-surface-muted) 100%);
  position: relative;
  overflow: hidden;
}

.feature-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(107, 142, 123, 0.06) 0%, transparent 60%);
}

.feature-icon-large {
  position: relative;
  z-index: 1;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: linear-gradient(180deg, var(--primary-soft) 0%, var(--primary) 100%);
  color: var(--inverse);
  font-size: 2.2rem;
  box-shadow: 0 12px 28px rgba(107, 142, 123, 0.22);
}

.feature-content h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--space-sm);
}

.feature-content p {
  max-width: 44ch;
}

.scenes-section {
  background: linear-gradient(180deg, var(--bg-scene-top) 0%, var(--bg-app) 100%);
}

.scene-card {
  padding: var(--space-2xl);
  position: relative;
}

.scene-quote {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--tint);
  position: absolute;
  top: var(--space-lg);
  left: var(--space-xl);
  user-select: none;
}

.scene-card h3 {
  font-size: 1.1rem;
  margin: var(--space-lg) 0 var(--space-sm);
  padding-top: var(--space-lg);
}

.scene-tag {
  display: inline-block;
  margin-top: var(--space-md);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  color: var(--primary);
  background: var(--bg-surface-muted);
  border-radius: var(--radius-full);
}

.reading-section {
  background: linear-gradient(180deg, rgba(252, 251, 250, 0.55) 0%, var(--bg-card) 100%);
}

.reading-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.reading-card {
  padding: var(--space-2xl);
  border: 1px solid rgba(213, 224, 216, 0.8);
}

.reading-card-featured {
  grid-column: 1 / -1;
  background: linear-gradient(180deg, rgba(244, 247, 245, 0.95) 0%, rgba(252, 251, 250, 1) 100%);
}

.reading-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-muted);
  color: var(--primary-strong);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-lg);
}

.reading-card h3 {
  font-size: 1.18rem;
  line-height: 1.45;
  margin-bottom: var(--space-sm);
}

.reading-points {
  list-style: none;
  display: grid;
  gap: 0.65rem;
  margin: var(--space-lg) 0 var(--space-xl);
}

.reading-points li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--secondary);
  font-size: 0.92rem;
}

.reading-points li::before {
  content: "";
  position: absolute;
  top: 0.72rem;
  left: 0;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--primary-soft);
}

.reading-icon {
  width: 3rem;
  height: 3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-panel);
  color: var(--primary);
  font-size: 1.35rem;
  margin-bottom: var(--space-lg);
}

.reading-link {
  margin-top: var(--space-lg);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--primary-strong);
  font-size: 0.92rem;
  font-weight: 600;
}

.reading-link:hover {
  color: var(--primary);
}

.video-guide-section {
  background: linear-gradient(180deg, var(--bg-scene-top) 0%, var(--bg-app) 100%);
}

.video-guide-header {
  margin-bottom: var(--space-3xl);
  max-width: 55ch;
}

.video-guide-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.video-player-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-player-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #0f1614;
}

.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-player-meta {
  padding: var(--space-xl) var(--space-2xl);
}

.video-player-meta h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--space-xs);
}

.video-player-meta p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--subtle);
}

.video-guide-channel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: var(--space-2xl);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(213, 224, 216, 0.8);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-guide-channel:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.channel-icon {
  width: 3.2rem;
  height: 3.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--bg-panel);
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.video-guide-channel h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: var(--space-sm);
}

.video-guide-channel p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--subtle);
  margin-bottom: var(--space-xl);
}

.reading-footnote {
  margin-top: var(--space-xl);
  padding: var(--space-lg) var(--space-xl);
  background: rgba(244, 247, 245, 0.9);
  border: 1px solid rgba(213, 224, 216, 0.8);
  border-radius: var(--radius-md);
}

.cta-section {
  position: relative;
  background: var(--foreground);
  color: var(--inverse);
  padding: var(--space-5xl) 0;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 142, 123, 0.15) 0%, transparent 65%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-inner .t-section {
  color: var(--inverse);
  margin-bottom: var(--space-md);
}

.cta-inner .t-lead {
  color: rgba(255, 255, 255, 0.65);
  margin: 0 auto var(--space-2xl);
}

.cta-btn {
  background: var(--inverse);
  color: var(--primary-strong);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.cta-btn:hover {
  background: var(--bg-card);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.16);
}

.footer {
  background: var(--bg-app);
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--default);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--foreground);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-beian {
  margin-left: var(--space-md);
}

.footer-beian a {
  font-size: 0.8rem;
  color: var(--muted);
  text-decoration: none;
}

.footer-beian a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--subtle);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@media (max-width: 960px) {
  .reading-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 2.5rem;
    --space-4xl: 3rem;
    --space-5xl: 4rem;
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .nav {
    padding: var(--space-sm) 0;
  }

  .nav-links {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-card);
    padding: calc(56px + var(--space-lg)) var(--space-lg) var(--space-lg);
    border-bottom: 1px solid var(--soft);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
    z-index: 99;
  }

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

  .nav-links a:not(.btn) {
    display: block;
    padding: var(--space-md) 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--soft);
    color: var(--foreground);
  }

  .nav-links a:not(.btn):last-of-type {
    border-bottom: none;
  }

  .nav-links .btn {
    display: none;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(74, 93, 83, 0.35);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 98;
  }

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

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    position: relative;
    z-index: 100;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--space-4xl) + 1rem) 0 var(--space-3xl);
  }

  .hero-title {
    max-width: 100%;
    font-size: clamp(1.8rem, 8vw, 2.6rem);
    line-height: 1.35;
  }

  .hero-lead {
    margin-bottom: var(--space-xl);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .hero-actions .btn,
  .cta-inner .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
  }

  .hero-orb {
    width: 180px;
    height: 180px;
  }

  .hero-scroll-hint {
    display: none;
  }

  .t-section {
    font-size: clamp(1.4rem, 6vw, 1.9rem);
  }

  .t-lead {
    font-size: 1rem;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .value-grid,
  .ifs-grid,
  .scenes-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .ifs-header,
  .features-header,
  .scenes-header,
  .reading-header {
    margin-bottom: var(--space-xl);
  }

  .ifs-card,
  .scene-card,
  .reading-card {
    padding: var(--space-xl);
  }

  .ifs-card-num {
    width: 2.25rem;
    height: 2.25rem;
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
  }

  .video-guide-grid {
    grid-template-columns: 1fr;
  }

  .video-guide-channel {
    align-items: center;
    text-align: center;
  }

  .video-guide-channel .btn {
    width: 100%;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
  }

  .feature-row.reverse {
    direction: ltr;
  }

  .feature-visual {
    min-height: 200px;
  }

  .feature-icon-large {
    width: 64px;
    height: 64px;
    font-size: 1.6rem;
  }

  .feature-content h3 {
    font-size: 1.2rem;
  }

  .scene-quote {
    font-size: 2rem;
    top: var(--space-md);
    left: var(--space-lg);
  }

  .scene-card h3 {
    padding-top: var(--space-md);
    margin: var(--space-md) 0 var(--space-sm);
  }

  .cta-section {
    padding: var(--space-4xl) 0;
  }

  .footer {
    padding: var(--space-xl) 0;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md) var(--space-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}