:root {
  --color-primary: #2D3436;
  --color-secondary: #636E72;
  --color-accent: #74B9FF;
  --color-accent-2: #A29BFE;
  --color-light: #B2BEC3;
  --color-white: #FFFFFF;
  --color-bg: #FAFAFA;
  --color-bg-dark: #1A1A1A;
  --color-divider: #757575;
  
  --font-cn: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-6xl: 4.5rem;
  
  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  --navbar-height: 60px;
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
  --shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.08);
  --shadow-hover-deep: 0 16px 40px rgba(0, 0, 0, 0.18), 0 8px 20px rgba(0, 0, 0, 0.12);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-cn);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-primary);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
}

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

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

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: var(--z-fixed);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

@supports not (backdrop-filter: blur(12px)) {
  .navbar {
    background: rgba(255, 255, 255, 0.98);
  }
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  box-sizing: border-box;
  position: relative;
}
 

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-en);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.navbar-brand:hover {
  transform: scale(1.02);
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-lg);
}

.brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

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

.nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  padding: var(--spacing-sm) 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-primary);
}

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

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  position: absolute;
  right: var(--spacing-xl);
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs);
  background: rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-md);
}

.lang-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  pointer-events: auto;
  background: transparent;
  border: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.lang-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.lang-btn:hover {
  color: var(--color-primary);
  background: rgba(0, 0, 0, 0.06);
}

.lang-btn.active {
  color: var(--color-white);
  background: var(--color-primary);
}

.mobile-menu-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto !important;
  z-index: calc(var(--z-fixed) + 10);
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.mobile-menu-toggle:active {
  background: rgba(0, 0, 0, 0.1);
  transform: scale(0.95);
}

.menu-icon {
  position: relative;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.menu-icon::before,
.menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition-fast);
}

.menu-icon::before {
  top: -6px;
}

.menu-icon::after {
  bottom: -6px;
}

.mobile-menu-toggle.active .menu-icon {
  background: transparent;
}

.mobile-menu-toggle.active .menu-icon::before {
  transform: translateY(0) rotate(45deg);
}

.mobile-menu-toggle.active .menu-icon::after {
  transform: translateY(0) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-white);
  padding: calc(var(--navbar-height) + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xl);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: var(--spacing-2xl);
  box-sizing: border-box;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-close {
  position: absolute;
  top: calc(var(--navbar-height) + var(--spacing-md));
  right: var(--spacing-lg);
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  z-index: 10;
}

.close-icon {
  position: relative;
  width: 24px;
  height: 24px;
}

.close-icon::before,
.close-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: translateY(-50%) rotate(45deg);
}

.close-icon::after {
  transform: translateY(-50%) rotate(-45deg);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.mobile-nav-link {
  font-size: 28px;
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  padding: var(--spacing-sm) 0;
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  text-decoration: none;
  display: block;
}

.mobile-nav-link:hover {
  opacity: 0.7;
}

.mobile-nav-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.mobile-lang-switcher {
  display: flex;
  gap: var(--spacing-md);
  margin-top: auto;
}

.mobile-lang-switcher .lang-btn {
  font-size: var(--font-size-lg);
  padding: var(--spacing-sm) var(--spacing-lg);
}

@media (min-width: 769px) {
  .mobile-menu {
    display: none;
  }
  
  .mobile-lang-switcher {
    display: none;
  }
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

.hero-video-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-dark);
  background-image: url('../img/hero/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
}

.hero-video-fallback.active {
  opacity: 1;
}

.hero-video-container.video-error .hero-video {
  display: none;
}

.hero-video-container.video-error .hero-video-fallback {
  opacity: 1;
}

.hero-video-container.video-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  animation: heroVideoSpinner 1s linear infinite;
  z-index: 2;
}

@keyframes heroVideoSpinner {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .hero-video {
    object-fit: cover;
  }
}

@media (max-width: 480px) {
  .hero-video-container {
    background-position: center center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-video {
    display: none;
  }
  
  .hero-video-fallback {
    opacity: 1;
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 26, 26, 0.3) 0%,
    rgba(26, 26, 26, 0.5) 50%,
    rgba(26, 26, 26, 0.7) 100%
  );
}

.floating-images-container {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.floating-images-container .floating-image-wrapper {
  pointer-events: auto;
}

.hero-content {
  position: relative;
  z-index: 100;
  text-align: center;
  padding: var(--spacing-xl);
}

.brand-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 8vw, var(--font-size-6xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-lg);
}

.brand-cn,
.brand-en {
  display: inline-block;
  cursor: default;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.brand-divider {
  color: rgba(255, 255, 255, 0.4);
  font-weight: var(--font-weight-normal);
}

.brand-tagline {
  font-size: clamp(1.5rem, 5vw, var(--font-size-3xl));
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: 0.15em;
  line-height: 1.4;
  margin-bottom: var(--spacing-2xl);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5), 0 0 40px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .brand-tagline {
    font-size: clamp(1.25rem, 4vw, var(--font-size-2xl));
    letter-spacing: 0.12em;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.5);
  }
}

@media (max-width: 480px) {
  .brand-tagline {
    font-size: clamp(1.125rem, 5vw, var(--font-size-xl));
    letter-spacing: 0.1em;
    padding: 0 var(--spacing-md);
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  min-width: 140px;
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.6);
  animation: float 2s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
}

.scroll-text {
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@keyframes float {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(8px);
  }
}

.page {
  padding-top: calc(var(--navbar-height) + var(--spacing-4xl));
  padding-bottom: var(--spacing-4xl);
  min-height: 100vh;
}

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.page-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.section-divider {
  height: 1px;
  background: var(--color-divider);
  border: 0;
  margin: 4px 0 24px;
}

@media (max-width: 768px) {
  .section-divider {
    margin: 2px 0 16px;
  }
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
}

@media (max-width: 640px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(20px);
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: 100%;
  min-height: 280px;
}

@media (max-width: 1024px) {
  .product-card {
    min-height: 260px;
  }
}

@media (max-width: 640px) {
  .product-card {
    min-height: auto;
    max-width: 400px;
    margin: 0 auto;
  }
}

.product-card.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.product-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover-deep);
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.product-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg);
  width: 100%;
}

.product-image a {
  display: block;
  width: 100%;
  height: 100%;
}

.product-image a:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.product-image a:focus:not(:focus-visible) {
  outline: none;
}

.product-image a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-img-default {
  display: block;
}

.product-img-hover {
  display: none;
}

.product-card:hover .product-image > a > picture > .product-img-default {
  transform: scale(1.03);
}

.product-card[data-has-hover="true"]:hover > .product-image > a > picture > .product-img-default,
.product-card[data-has-hover="true"]:hover > .product-image > picture > .product-img-default {
  display: none;
}

.product-card[data-has-hover="true"]:hover > .product-image > a > picture > .product-img-hover,
.product-card[data-has-hover="true"]:hover > .product-image > picture > .product-img-hover {
  display: block;
}

.product-info {
  padding: 12px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

@media (max-width: 640px) {
  .product-info {
    padding: var(--spacing-md);
  }
}

.product-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: 6px;
  line-height: 1.3;
  transition: transform var(--transition-normal);
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: 10px;
  flex: 1;
  transition: transform var(--transition-normal);
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  transition: transform var(--transition-normal);
}

.tag {
  padding: 3px 8px;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  background: rgba(116, 185, 255, 0.1);
  border-radius: var(--radius-sm);
  transition: transform var(--transition-normal);
}

.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  justify-content: flex-start;
}

.team-grid .team-card {
  flex: 0 0 calc(33.333% - var(--spacing-xl));
  max-width: calc(33.333% - var(--spacing-xl));
}

@media (max-width: 1024px) {
  .team-grid .team-card {
    flex: 0 0 calc(50% - var(--spacing-xl));
    max-width: calc(50% - var(--spacing-xl));
  }
}

@media (max-width: 768px) {
  .team-grid {
    flex-direction: column;
    align-items: stretch;
  }
  
  .team-grid .team-card {
    flex: 1 1 100%;
    max-width: 100%;
  }
}

.team-intro-section {
  margin: var(--spacing-xl) 0;
  padding: 0;
}

.team-intro-section.animate-in {
  animation: none;
}

.team-intro,
.team-vision {
  font-size: 1rem;
  color: #374151;
  line-height: 1.75;
  margin-bottom: var(--spacing-lg);
  text-align: left;
  font-weight: 400;
}

.team-intro:last-child,
.team-vision:last-child {
  margin-bottom: 0;
}

.team-section-header {
  opacity: 1;
  transform: none;
}

.team-section-header.animate-in {
  animation: none;
}

.team-section-title,
.team-members-title {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.4;
  color: var(--color-primary);
}

.team-section-title {
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.team-members-title {
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.team-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.team-card:hover,
.team-card:focus-visible {
  transform: none;
  box-shadow: var(--shadow-sm);
}

.team-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.member-avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg);
}

.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-info {
  flex: 1;
}

.member-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.member-role {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
}

.member-description {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  line-height: var(--line-height-normal);
}

@media (max-width: 768px) {
  .member-avatar {
    width: 80px;
    height: 80px;
  }
  
  .member-name {
    font-size: var(--font-size-base);
  }
}

.footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-xl) 0;
}

.footer .container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-copyright {
  font-size: var(--font-size-sm);
}

.footer-nav {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-link:hover,
.footer-link:focus {
  color: var(--color-white);
}

.page-transition-out {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.page-transition-in {
  opacity: 1;
  transform: translateY(0);
}

.animate-target {
  opacity: 0;
  transform: translateY(20px);
}

.animate-target.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

@media (max-width: 768px) {
  .navbar-container {
    justify-content: center;
  }
  
  .navbar-nav {
    display: none;
  }
  
  .navbar-actions {
    right: var(--spacing-lg);
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .language-switcher {
    display: none;
  }
  
  .brand-title {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .brand-divider {
    display: none;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .footer .container {
    flex-direction: column;
    text-align: center;
  }
}

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

@media (prefers-color-scheme: dark) {
  :root {
    --color-divider: #9E9E9E;
  }
}

@supports (grid-template-columns: subgrid) {
  .team-grid {
    grid-template-columns: subgrid;
  }
}

.floating-image-wrapper {
  position: absolute;
  z-index: 1;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: auto;
}

.floating-image-wrapper:active {
  cursor: grabbing;
}

.floating-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  pointer-events: none;
}

.floating-image-wrapper:hover .floating-image,
.floating-image-wrapper.dragging .floating-image {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.floating-image-wrapper.dragging .floating-image {
  transform: scale(1.05);
}

.floating-image-wrapper.dragging {
  z-index: 10;
}

@media (max-width: 768px) {
  .floating-image-wrapper {
    cursor: grab;
  }

  .floating-image-wrapper:active {
    cursor: grabbing;
  }
}

@media (prefers-reduced-motion: reduce) {
  .floating-image-wrapper .floating-image {
    transition: none;
  }
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  margin-top: var(--spacing-2xl);
}

@media (max-width: 1024px) {
  .social-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
}

.social-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(20px);
  min-height: 200px;
}

@media (max-width: 640px) {
  .social-card {
    min-height: 180px;
  }
}

.social-card.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.social-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover-deep);
}

.social-card:focus-within {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

.social-card-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-2xl);
  height: 100%;
  text-decoration: none;
  color: inherit;
  box-sizing: border-box;
  gap: var(--spacing-lg);
}

@media (max-width: 640px) {
  .social-card-link {
    padding: var(--spacing-xl);
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }
}

.social-card-link:focus {
  outline: none;
}

.social-card-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
  border-radius: var(--radius-lg);
}

.social-card-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-bg) 0%, rgba(0, 0, 0, 0.05) 100%);
  transition: transform var(--transition-normal);
}

.social-card:hover .social-card-icon {
  transform: scale(1.05);
}

@media (max-width: 640px) {
  .social-card-icon {
    width: 72px;
    height: 72px;
  }
}

.social-card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.social-icon-placeholder {
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  font-family: var(--font-en);
}

.social-card-content {
  flex: 1;
  min-width: 0;
}

@media (max-width: 640px) {
  .social-card-content {
    width: 100%;
  }
}

.social-platform-name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
}

@media (max-width: 640px) {
  .social-platform-name {
    font-size: var(--font-size-xl);
  }
}

.social-platform-id {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}

.social-platform-desc {
  font-size: var(--font-size-base);
  color: var(--color-secondary);
  line-height: var(--line-height-relaxed);
}

@media (max-width: 640px) {
  .social-platform-desc {
    font-size: var(--font-size-sm);
  }
}

.social-card-arrow {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-light);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.social-card:hover .social-card-arrow {
  color: var(--color-accent);
  transform: translateX(4px);
}

@media (max-width: 640px) {
  .social-card-arrow {
    display: none;
  }
}

.social-page .page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-secondary);
  margin-top: var(--spacing-sm);
}

@media (max-width: 640px) {
  .social-page .page-subtitle {
    font-size: var(--font-size-base);
  }
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.nav-dropdown-toggle::after {
  content: '';
  position: static;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform 150ms ease;
  flex-shrink: 0;
  background: none;
}

.nav-dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

.nav-dropdown-toggle:hover::after,
.nav-dropdown-toggle:focus::after {
  position: static;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid currentColor;
  background: none;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 160px;
  padding: var(--spacing-sm) 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-dropdown);
  margin-top: var(--spacing-sm);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu:hover,
.nav-dropdown-toggle[aria-expanded="true"] + .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav-dropdown-item {
  display: block;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--color-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-dropdown-item:hover,
.nav-dropdown-item:focus {
  background: rgba(116, 185, 255, 0.1);
  color: var(--color-accent);
  outline: none;
}

.nav-dropdown-item:first-child {
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.nav-dropdown-item:last-child {
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.mobile-nav-dropdown {
  position: relative;
}

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

.mobile-nav-dropdown-toggle::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform 150ms ease;
  flex-shrink: 0;
}

.mobile-nav-dropdown.open .mobile-nav-dropdown-toggle::after {
  transform: rotate(180deg);
}

.mobile-nav-dropdown-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  background: rgba(0, 0, 0, 0.03);
}

.mobile-nav-dropdown.open .mobile-nav-dropdown-menu {
  max-height: 300px;
}

.mobile-nav-dropdown-item {
  display: block;
  padding: var(--spacing-md) var(--spacing-xl);
  padding-left: var(--spacing-2xl);
  color: var(--color-secondary);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.mobile-nav-dropdown-item:hover,
.mobile-nav-dropdown-item:focus {
  color: var(--color-primary);
  background: rgba(116, 185, 255, 0.1);
}

@media (max-width: 768px) {
  .nav-dropdown-menu {
    display: none;
  }
}

.novels-page {
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(116, 185, 255, 0.05) 100%);
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-4xl);
}

.novels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 320px));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  justify-content: center;
}

@media (max-width: 768px) {
  .novels-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
}

.book-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  transform: translateY(20px);
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

.book-card.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover-deep);
}

@media (max-width: 768px) {
  .book-card {
    flex-direction: column;
    max-width: 100%;
  }
  
  .book-card:hover {
    transform: none;
  }
}

.book-card-link {
  width: 100%;
  aspect-ratio: 3 / 4;
  display: block;
  position: relative;
  overflow: visible;
  background: var(--color-bg);
  perspective: 1200px;
  perspective-origin: center center;
}

@media (max-width: 1024px) {
  .book-card-link {
    overflow: hidden;
  }
  
  .book-card-cover,
  .book-card-cover-placeholder {
    transform: translate(-50%, -50%) !important;
  }
  
  .book-card-cover::before,
  .book-card-cover::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .book-card-link {
    width: 100%;
    aspect-ratio: 3 / 4;
  }
  
  .book-card-cover,
  .book-card-cover-placeholder {
    width: 75% !important;
    height: 85% !important;
    transform: translate(-50%, -50%) !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    margin: 0 !important;
  }
  
  .book-card:hover .book-card-cover {
    transform: translate(-50%, -50%) !important;
    box-shadow: 
      0 6px 20px rgba(0, 0, 0, 0.2),
      0 3px 10px rgba(0, 0, 0, 0.15) !important;
  }
}

.book-card-cover {
  width: 70%;
  height: 80%;
  overflow: visible;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotateY(-15deg);
  transform-style: preserve-3d;
  border-radius: 3px 6px 6px 3px;
  box-shadow: 
    -6px 0 12px -4px rgba(0, 0, 0, 0.35),
    0 8px 25px rgba(0, 0, 0, 0.25),
    0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
              box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-card-cover::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 12px;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.25) 0%,
    rgba(0, 0, 0, 0.12) 40%,
    rgba(0, 0, 0, 0.03) 70%,
    rgba(255, 255, 255, 0.08) 90%,
    rgba(255, 255, 255, 0.25) 100%
  );
  border-radius: 3px 0 0 3px;
  z-index: 1;
  pointer-events: none;
}

.book-card-cover::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 3%;
  width: 1px;
  height: 94%;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.04) 50%,
    rgba(0, 0, 0, 0.08) 100%
  );
  border-radius: 1px;
  z-index: 2;
  pointer-events: none;
}

.book-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  display: block;
  border-radius: 3px 8px 8px 3px;
}

.book-card-cover-placeholder {
  width: 100%;
  height: 100%;
  margin: 0;
  top: 0;
  left: 0;
  transform: none;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 2px;
  box-shadow: 
    0 4px 8px rgba(0, 0, 0, 0.15),
    0 2px 4px rgba(0, 0, 0, 0.1),
    inset 0 0 10px rgba(0, 0, 0, 0.05);
}

.book-card:hover .book-card-cover {
  transform: translate(-50%, -50%) rotateY(-20deg);
  box-shadow: 
    -10px 0 18px -6px rgba(0, 0, 0, 0.45),
    0 12px 35px rgba(0, 0, 0, 0.3),
    0 6px 16px rgba(0, 0, 0, 0.2);
}

.book-card-info {
  flex: 1;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.book-card-header {
  margin-bottom: var(--spacing-sm);
}

.book-card-genre {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(116, 185, 255, 0.1);
  color: #636E72;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-xs);
  width: fit-content;
}

.book-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-card-author {
  font-size: var(--font-size-sm);
  color: #74B9FF;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}

.book-card-description {
  flex: 1;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.book-card-desc-line {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xs);
}

.book-card-desc-line:first-child {
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
}

.book-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.book-card-word-count {
  padding: 3px 8px;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  color: #74B9FF;
  background: rgba(116, 185, 255, 0.1);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.book-card-status {
  padding: 3px 8px;
  font-size: 12px;
  font-weight: var(--font-weight-medium);
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.products-page {
  position: relative;
  padding-bottom: var(--spacing-3xl);
}

.scroll-indicator {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: 0;
  z-index: 10;
}

.scroll-indicator-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulse-bounce 2s ease-in-out infinite;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.scroll-indicator-circle:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-hover);
}

.scroll-indicator-circle svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.scroll-indicator-text {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.05em;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

@keyframes pulse-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

@keyframes scroll-arrow {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  50% {
    opacity: 0.5;
    transform: translateY(6px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-indicator-circle svg {
  animation: scroll-arrow 1.5s ease-in-out infinite;
}

@media (max-width: 768px) {
  .scroll-indicator {
    padding: var(--spacing-lg) 0;
  }
  
  .scroll-indicator-circle {
    width: 40px;
    height: 40px;
  }
  
  .scroll-indicator-circle svg {
    width: 20px;
    height: 20px;
  }
  
  .scroll-indicator-text {
    font-size: var(--font-size-xs);
  }
}

.scroll-indicator {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.scroll-indicator.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 768px) {
  .scroll-indicator {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: transparent;
  }
  
  .scroll-indicator-circle {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }
  
  .scroll-indicator-text {
    color: rgba(45, 52, 54, 0.8);
    text-shadow: none;
  }
}

@media (min-width: 769px) {
  .scroll-indicator {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {
  .novels-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }
}

.book-card {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  perspective: 1000px;
  opacity: 0;
  transform: translateY(30px);
}

.book-card.animate-in {
  animation: fadeInUp 0.8s ease forwards;
}

@media (max-width: 768px) {
  .book-card {
    flex-direction: column;
    align-items: center;
  }
}

.book-wrapper {
  position: relative;
  width: 240px;
  height: 360px;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.book-card:hover .book-wrapper {
  transform: rotateY(-25deg) translateY(-10px);
}

@media (max-width: 768px) {
  .book-wrapper {
    width: 200px;
    height: 300px;
  }
  
  .book-card:hover .book-wrapper {
    transform: none;
  }
}

.book-spine {
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 100%;
  background: linear-gradient(90deg, #8B7355 0%, #A08060 50%, #8B7355 100%);
  transform: rotateY(90deg) translateX(-15px);
  transform-origin: left center;
  border-radius: 2px 0 0 2px;
  box-shadow: inset -2px 0 4px rgba(0, 0, 0, 0.3);
}

.book-spine::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 8px;
  width: 2px;
  background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 768px) {
  .book-spine {
    display: none;
  }
}

.book-front {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  border-radius: 0 4px 4px 0;
  overflow: hidden;
}

.book-cover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #2c3e50 100%);
  border-radius: 0 4px 4px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--spacing-lg);
  box-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.1),
    0 4px 8px rgba(0, 0, 0, 0.1),
    0 8px 16px rgba(0, 0, 0, 0.1),
    inset 0 0 20px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.book-cover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    linear-gradient(90deg, rgba(0,0,0,0.1) 0%, transparent 3%, transparent 97%, rgba(0,0,0,0.1) 100%),
    linear-gradient(180deg, rgba(255,255,255,0.05) 0%, transparent 30%);
  pointer-events: none;
}

.book-cover-2 {
  background: linear-gradient(135deg, #8B4513 0%, #A0522D 50%, #8B4513 100%);
}

.book-cover-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  flex: 1;
}

.book-genre {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
  width: fit-content;
}

.book-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.3;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.book-author {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  font-weight: var(--font-weight-normal);
}

.book-decoration {
  position: absolute;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 60px;
  height: 60px;
  opacity: 0.2;
}

.book-decoration-line {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.5);
  transform: rotate(-45deg);
}

.book-decoration-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.book-pages {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 95%;
  height: calc(100% - 5px);
  transform: translateZ(-5px);
  transform-origin: bottom right;
}

.book-page {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, #f5f5f0 0%, #e8e8e3 100%);
  border-radius: 0 2px 2px 0;
  transform-origin: bottom right;
}

.book-page::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  height: 1px;
  background: rgba(0, 0, 0, 0.05);
  box-shadow: 0 15px 0 rgba(0, 0, 0, 0.05), 0 30px 0 rgba(0, 0, 0, 0.05);
}

.book-page-1 {
  transform: translateZ(-2px);
  opacity: 0.9;
}

.book-page-2 {
  transform: translateZ(-4px);
  opacity: 0.8;
}

.book-page-3 {
  transform: translateZ(-6px);
  opacity: 0.7;
}

.book-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f8f8f5 0%, #f0f0eb 100%);
  border-radius: 4px;
  transform: rotateY(180deg);
  backface-visibility: hidden;
  padding: var(--spacing-lg);
  box-shadow: 
    0 -2px 4px rgba(0, 0, 0, 0.1),
    0 -4px 8px rgba(0, 0, 0, 0.1),
    inset 0 0 20px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-back-content {
  text-align: center;
}

.book-back-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.book-back-description {
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.book-back-meta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  font-size: var(--font-size-xs);
  color: var(--color-light);
}

.book-word-count,
.book-status {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(116, 185, 255, 0.1);
  border-radius: var(--radius-sm);
}

.book-info-mobile {
  display: none;
}

@media (max-width: 768px) {
  .book-info-mobile {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 300px;
  }
  
  .book-title-mobile {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
  }
  
  .book-author-mobile {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
  }
  
  .book-description-mobile {
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
  }
  
  .book-tags-mobile {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }
  
  .book-tag {
    padding: 3px 8px;
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    background: rgba(116, 185, 255, 0.1);
    border-radius: var(--radius-sm);
  }
}