```css
/* ============================================
   香蕉社区 - 星河纪元动漫网页版
   Style: Glassmorphism + Dark Mode Support
   ============================================ */

/* ---------- CSS Variables & Reset ---------- */
:root {
  --bg-primary: #F8F4FF;
  --bg-secondary: #FFFFFF;
  --bg-glass: rgba(255, 255, 255, 0.65);
  --bg-glass-hover: rgba(255, 255, 255, 0.85);
  --text-primary: #1A1A2E;
  --text-secondary: #2D2D44;
  --text-muted: #6B7280;
  --accent: #6B4CFF;
  --accent-light: #7C5CFC;
  --accent-gradient: linear-gradient(135deg, #7C5CFC 0%, #4A6CF7 100%);
  --border-color: rgba(107, 76, 255, 0.15);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-blur: blur(16px) saturate(180%);
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0F0A1E;
    --bg-secondary: #1A1230;
    --bg-glass: rgba(30, 20, 60, 0.65);
    --bg-glass-hover: rgba(40, 28, 80, 0.85);
    --text-primary: #F0EBFF;
    --text-secondary: #D4CCF0;
    --text-muted: #9B8FC0;
    --accent: #8B6FFF;
    --accent-light: #9D84FF;
    --accent-gradient: linear-gradient(135deg, #8B6FFF 0%, #5B7FFF 100%);
    --border-color: rgba(139, 111, 255, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ---------- Container ---------- */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header & Navigation ---------- */
header {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.logo h1 {
  font-size: 1.8rem;
  color: var(--text-primary);
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-fast);
}

.logo h1:hover {
  transform: scale(1.02);
}

.logo h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav ul {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

nav a {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: width var(--transition-smooth);
  border-radius: var(--radius-full);
}

nav a:hover {
  color: var(--accent);
}

nav a:hover::after {
  width: 100%;
}

/* ---------- Hero Section ---------- */
.hero {
  background: var(--accent-gradient);
  padding: 80px 0;
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  transform: rotate(45deg);
  animation: heroGlow 8s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { opacity: 0.5; transform: rotate(45deg) scale(1); }
  50% { opacity: 1; transform: rotate(45deg) scale(1.1); }
}

.hero-content {
  color: #FFFFFF;
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.hero-content h2 {
  font-size: 2.4rem;
  margin-bottom: 16px;
  font-weight: 800;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  animation: fadeInUp 0.8s ease-out;
}

.hero-content p {
  font-size: 1.1rem;
  opacity: 0.95;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Section Layout ---------- */
.section {
  margin: 56px 0;
  animation: fadeInUp 0.6s ease-out both;
}

.section-title {
  font-size: 1.8rem;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--accent-light);
  display: inline-block;
  position: relative;
  font-weight: 700;
}

.section-title span {
  color: var(--accent);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 30%;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  animation: titleGlow 2s ease-in-out infinite;
}

@keyframes titleGlow {
  0%, 100% { opacity: 1; width: 30%; }
  50% { opacity: 0.7; width: 40%; }
}

/* ---------- Manga Grid Cards ---------- */
.manga-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.manga-card {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth);
  border: 1px solid var(--border-color);
  position: relative;
}

.manga-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg);
  background: var(--bg-glass-hover);
}

.manga-card img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-smooth);
}

.manga-card:hover img {
  transform: scale(1.05);
}

.manga-info {
  padding: 16px;
}

.manga-info h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-weight: 700;
}

.manga-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
  line-height: 1.5;
}

.manga-info .tag {
  display: inline-block;
  background: var(--accent-gradient);
  color: #FFFFFF;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  margin-top: 8px;
  font-weight: 500;
  transition: transform var(--transition-fast);
}

.manga-card:hover .tag {
  transform: scale(1.05);
}

/* ---------- Recommend Cards ---------- */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.recommend-card {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth);
  border: 1px solid var(--border-color);
}

.recommend-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  background: var(--bg-glass-hover);
}

.recommend-card img {
  width: 100%;
  height: auto;
  transition: transform var(--transition-smooth);
}

.recommend-card:hover img {
  transform: scale(1.03);
}

.recommend-info {
  padding: 20px;
  flex: 1;
}

.recommend-info h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-weight: 700;
}

.recommend-info p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  line-height: 1.6;
}

/* ---------- Detail Section ---------- */
.detail-section {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: background var(--transition-smooth);
}

.detail-section:hover {
  background: var(--bg-glass-hover);
}

.detail-section h3 {
  color: var(--text-primary);
  font-size: 1.4rem;
  margin-bottom: 16px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.detail-section h4 {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 20px;
  margin-bottom: 10px;
  font-weight: 600;
}

.detail-section p {
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.8;
}

/* ---------- Character Cards ---------- */
.character-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.character-card {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth);
}

.character-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: var(--bg-glass-hover);
}

.character-card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 12px;
  border: 3px solid var(--accent-light);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.character-card:hover img {
  transform: scale(1.05);
  border-color: var(--accent);
}

.character-card h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 6px;
  font-weight: 700;
}

.character-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ---------- Platform Section ---------- */
.platform-section {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: background var(--transition-smooth);
}

.platform-section:hover {
  background: var(--bg-glass-hover);
}

.platform-section h3 {
  color: var(--text-primary);
  font-size: 1.4rem;
  margin-bottom: 16px;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.platform-section h4 {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-top: 20px;
  margin-bottom: 10px;
  font-weight: 600;
}

.platform-section p {
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.8;
}

/* ---------- App Download ---------- */
.app-download {
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  padding: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.app-download::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  animation: heroGlow 6s ease-in-out infinite;
}

.app-download h3 {
  color: #FFFFFF;
  font-size: 1.6rem;
  margin-bottom: 16px;
  font-weight: 800;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 1;
}

.app-download p {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
}

.btn {
  display: inline-block;
  background: #FFFFFF;
  color: var(--accent);
  padding: 14px 36px;
  border-radius: var(--radius-full);
  font-weight: 700;
  margin: 0 8px;
  transition: transform var(--transition-fast), box-shadow var(--transition-smooth), background var(--transition-fast);
  border: 2px solid transparent;
  position: relative;
  z-index: 1;
  font-size: 1rem;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  background: #F0EBFF;
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #FFFFFF;
  color: #FFFFFF;
}

/* ---------- Comments Section ---------- */
.comments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.comment-card {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background var(--transition-smooth);
}

.comment-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: var(--bg-glass-hover);
}

.comment-card .user {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 1rem;
}

.comment-card .time {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 8px;
}

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

/* ---------- Layout & Sidebar ---------- */
.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}

.sidebar {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  height: fit-content;
  border: 1px solid var(--border-color);
  position: sticky;
  top: 100px;
  transition: background var(--transition-smooth);
}

.sidebar:hover {
  background: var(--bg-glass-hover);
}

.sidebar h3 {
  color: var(--text-primary);
  font-size: 1.2rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-color);
  font-weight: 700;
}

.sidebar ul {
  margin-bottom: 20px;
}

.sidebar li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  transition: padding-left var(--transition-fast), color var(--transition-fast);
}

.sidebar li:hover {
  padding-left: 8px;
  color: var(--accent);
}

.sidebar li:last-child {
  border-bottom: none;
}

.sidebar .rank-num {
  display: inline-block;
  background: var(--accent-gradient);
  color: #FFFFFF;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  text-align: center;
  line-height: 24px;
  font-size: 0.8rem;
  margin-right: 8px;
  flex-shrink: 0;
  font-weight: 700;
}

.sidebar .stat {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-left: auto;
}

/* ---------- Footer ---------- */
footer {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  margin-top: 60px;
  padding: 40px 0 20px;
  border-top: 1px solid var(--border-color);
  transition: background var(--transition-smooth);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 2;
}

.footer-bottom a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

/* ---------- Scrollbar Styling ---------- */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    margin-top: 40px;
  }

  .hero-content h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    justify-content: center;
    gap: 16px;
  }

  nav a {
    font-size: 0.9rem;
  }

  .hero {
    padding: 60px 0;
  }

  .hero-content h2 {
    font-size: 1.6rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .manga-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
  }

  .recommend-grid {
    grid-template-columns: 1fr;
  }

  .character-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .character-card img {
    width: 100px;
    height: 100px;
  }

  .app-download {
    padding: 32px 20px;
  }

  .app-download h3 {
    font-size: 1.3rem;
  }

  .btn {
    padding: 12px 24px;
    margin: 8px 4px;
    font-size: 0.95rem;
  }

  .detail-section,
  .platform-section {
    padding: 24px;
  }

  .comments-grid {
    grid-template-columns: 1fr;
  }

  .footer-links {
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .manga-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .manga-info {
    padding: 12px;
  }

  .manga-info h3 {
    font-size: 1rem;
  }

  .manga-info p {
    font-size: 0.8rem;
  }

  .manga-info .tag {
    font-size: 0.75rem;
    padding: 2px 8px;
  }

  .character-grid {
    grid-template-columns: 1fr;
  }

  .character-card img {
    width: 120px;
    height: 120px;
  }

  .sidebar .stat {
    font-size: 1rem;
  }

  .footer-bottom {
    font-size: 0.8rem;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Focus Accessibility ---------- */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Selection Color ---------- */
::selection {
  background: var(--accent);
  color: #FFFFFF;
}

/* ---------- Print Styles ---------- */
@media print {
  header,
  .hero,
  .sidebar,
  .app-download,
  footer {
    display: none;
  }

  body {
    background: #FFFFFF;
    color: #000000;
  }

  .section {
    margin: 24px 0;
  }
}
```