```css
/* ===== 基础样式重置 ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== 自定义属性（主题变量） ===== */
:root {
  --primary: #6B4CFF;
  --primary-light: #A78BFA;
  --primary-gradient: linear-gradient(135deg, #6B4CFF 0%, #4A6CF7 100%);
  --secondary: #1A1A2E;
  --secondary-light: #3B2A5E;
  --bg-page: #F8F4FF;
  --bg-card: #FFFFFF;
  --bg-card-alt: #F8F4FF;
  --bg-glass: rgba(255, 255, 255, 0.7);
  --text-primary: #1A1A2E;
  --text-secondary: #2D2D44;
  --text-muted: #666;
  --border-color: #E8E0F5;
  --shadow-sm: 0 4px 20px rgba(26, 26, 46, 0.08);
  --shadow-md: 0 8px 25px rgba(107, 76, 255, 0.15);
  --shadow-lg: 0 5px 20px rgba(107, 76, 255, 0.4);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 50%;
  --transition-fast: 0.2s;
  --transition-base: 0.3s;
  --transition-slow: 0.5s;
  --glass-blur: blur(20px);
  --glass-saturate: saturate(180%);
}

/* 暗色模式变量覆盖 */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-page: #0f0e1a;
    --bg-card: #1a1930;
    --bg-card-alt: #232141;
    --bg-glass: rgba(26, 25, 48, 0.7);
    --text-primary: #f0eefc;
    --text-secondary: #c9c4e8;
    --text-muted: #8a87a8;
    --border-color: #2d2b4d;
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 25px rgba(107, 76, 255, 0.2);
    --shadow-lg: 0 5px 20px rgba(107, 76, 255, 0.3);
  }
}

/* ===== 基础元素 ===== */
html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
}

a {
  color: #4A6CF7;
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

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

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

/* ===== 容器 ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* ===== 头部导航 ===== */
header {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  padding: 20px 0;
  border-bottom: 4px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  backdrop-filter: var(--glass-blur) var(--glass-saturate);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
}

.logo h1 {
  font-size: 2.2em;
  color: #FFFFFF;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: fadeInDown 0.8s ease-out;
}

.logo span {
  color: var(--primary-light);
}

nav ul {
  display: flex;
  list-style: none;
  flex-wrap: wrap;
  gap: 20px;
}

nav a {
  color: #F5F0FF;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 20px;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base);
  font-size: 0.95em;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary-light);
  transition: width var(--transition-base);
}

nav a:hover {
  background: var(--primary);
  color: #FFFFFF;
  text-decoration: none;
  transform: translateY(-2px);
}

nav a:hover::after {
  width: 60%;
}

/* ===== 主内容布局 ===== */
main {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
  padding: 30px 0;
  animation: fadeInUp 0.6s ease-out;
}

.content {
  min-width: 0;
}

.sidebar {
  min-width: 0;
}

/* ===== 通用区块 ===== */
section {
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  backdrop-filter: var(--glass-blur) var(--glass-saturate);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

section:hover {
  box-shadow: var(--shadow-md);
}

h2 {
  color: var(--text-primary);
  font-size: 1.8em;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--primary);
  position: relative;
  transition: color var(--transition-base);
}

h2::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary-light);
  transition: width var(--transition-base);
}

section:hover h2::after {
  width: 120px;
}

h3 {
  color: var(--text-primary);
  font-size: 1.4em;
  margin: 20px 0 15px;
  transition: color var(--transition-base);
}

/* ===== 卡片网格 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.anime-card {
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  border: 1px solid var(--border-color);
  position: relative;
}

.anime-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.anime-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.anime-card:hover::before {
  transform: scaleX(1);
}

.anime-card img {
  width: 100%;
  height: auto;
  aspect-ratio: 5/7;
  object-fit: cover;
  transition: transform var(--transition-slow), filter var(--transition-base);
}

.anime-card:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.card-body {
  padding: 15px;
}

.card-body h3 {
  font-size: 1.1em;
  margin: 0 0 8px;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.card-body p {
  font-size: 0.85em;
  color: var(--text-secondary);
  margin: 4px 0;
}

.card-body .rating {
  color: var(--primary);
  font-weight: bold;
  font-size: 1em;
}

/* ===== 标签 ===== */
.tag {
  display: inline-block;
  background: var(--primary-gradient);
  color: #FFFFFF;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75em;
  margin: 3px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.tag:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-block;
  background: var(--primary-gradient);
  color: #FFFFFF;
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: bold;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
  border: none;
  cursor: pointer;
  font-size: 1em;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  color: #FFFFFF;
  background: linear-gradient(135deg, #7b5cff, #5a7cf7);
}

.btn-secondary {
  background: var(--secondary);
}

.btn-secondary:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
}

/* ===== 详情框 ===== */
.detail-box {
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin: 15px 0;
  border-left: 4px solid var(--primary);
  transition: border-left-color var(--transition-base), transform var(--transition-base);
}

.detail-box:hover {
  border-left-color: var(--primary-light);
  transform: translateX(5px);
}

.detail-box p {
  margin: 10px 0;
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

/* ===== 角色卡片 ===== */
.character-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

.character-card {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 15px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.character-card:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.character-card img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: 10px;
  border: 3px solid var(--primary);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.character-card:hover img {
  border-color: var(--primary-light);
  transform: rotate(5deg);
}

.character-card h4 {
  color: var(--text-primary);
  margin: 8px 0;
}

.character-card p {
  font-size: 0.85em;
  color: var(--text-secondary);
}

/* ===== 评论区 ===== */
.comment-box {
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  padding: 15px;
  margin: 10px 0;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-base);
}

.comment-box:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-sm);
  background: var(--bg-glass);
}

.comment-box .user {
  font-weight: bold;
  color: var(--primary);
}

.comment-box .time {
  font-size: 0.8em;
  color: var(--text-muted);
  margin-left: 10px;
}

.comment-box p {
  margin-top: 8px;
  color: var(--text-primary);
}

/* ===== 侧边栏 ===== */
.sidebar-widget {
  background: var(--bg-glass);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  backdrop-filter: var(--glass-blur) var(--glass-saturate);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.sidebar-widget:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.sidebar-widget h3 {
  color: var(--text-primary);
  font-size: 1.2em;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary);
}

.sidebar-widget ul {
  list-style: none;
}

.sidebar-widget li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--border-color);
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: padding-left var(--transition-fast), color var(--transition-fast);
}

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

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

.sidebar-widget .rank {
  color: var(--primary);
  font-weight: bold;
  margin-right: 10px;
  min-width: 25px;
  text-align: center;
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2px 6px;
  font-size: 0.85em;
}

.sidebar-widget .data {
  color: var(--text-primary);
  font-weight: 500;
  margin-left: auto;
  padding-left: 10px;
}

/* ===== APP 区块 ===== */
.app-section {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.app-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.2) 0%, transparent 50%);
  animation: pulse 4s ease-in-out infinite;
}

.app-section h2 {
  color: #FFFFFF;
  border-bottom-color: var(--primary);
}

.app-section h2::after {
  background: var(--primary-light);
}

.app-section p {
  color: #F5F0FF;
  max-width: 800px;
  margin: 15px auto;
  position: relative;
  z-index: 1;
}

.app-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 25px;
  position: relative;
  z-index: 1;
}

.app-buttons .btn {
  background: #FFFFFF;
  color: var(--secondary);
}

.app-buttons .btn:hover {
  background: var(--primary-light);
  color: #FFFFFF;
}

.app-buttons .btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.app-buttons .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* ===== 页脚 ===== */
footer {
  background: var(--secondary);
  color: #F5F0FF;
  padding: 40px 0 20px;
  margin-top: 40px;
}

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

.footer-links a {
  color: var(--primary-light);
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
  transform: translateY(-2px);
  text-decoration: none;
}

.footer-info {
  text-align: center;
  font-size: 0.85em;
  color: #F5F0FF;
  border-top: 1px solid var(--secondary-light);
  padding-top: 20px;
}

.footer-info p {
  margin: 5px 0;
}

.footer-info a {
  color: var(--primary-light);
}

.footer-info a:hover {
  color: #FFFFFF;
}

/* ===== 动画 ===== */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

/* ===== 滚动动画（元素进入视口时） ===== */
.anime-card,
.character-card,
.comment-box,
.sidebar-widget,
.detail-box {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease-out forwards;
}

.anime-card:nth-child(1) { animation-delay: 0.05s; }
.anime-card:nth-child(2) { animation-delay: 0.1s; }
.anime-card:nth-child(3) { animation-delay: 0.15s; }
.anime-card:nth-child(4) { animation-delay: 0.2s; }
.anime-card:nth-child(5) { animation-delay: 0.25s; }
.anime-card:nth-child(6) { animation-delay: 0.3s; }
.anime-card:nth-child(7) { animation-delay: 0.35s; }
.anime-card:nth-child(8) { animation-delay: 0.4s; }
.anime-card:nth-child(9) { animation-delay: 0.45s; }
.anime-card:nth-child(10) { animation-delay: 0.5s; }
.anime-card:nth-child(11) { animation-delay: 0.55s; }
.anime-card:nth-child(12) { animation-delay: 0.6s; }

/* ===== 响应式布局 ===== */
@media (max-width: 1024px) {
  main {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: -1;
  }

  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

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

  nav ul {
    justify-content: center;
    gap: 10px;
  }

  nav a {
    font-size: 0.85em;
    padding: 6px 10px;
  }

  .logo h1 {
    font-size: 1.6em;
  }

  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
  }

  .app-section {
    padding: 25px;
  }

  .app-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  section {
    padding: 15px;
  }

  h2 {
    font-size: 1.5em;
  }

  h3 {
    font-size: 1.2em;
  }

  .character-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
  }

  .character-card img {
    width: 90px;
    height: 90px;
  }

  .container {
    padding: 0 12px;
  }

  .detail-box {
    padding: 15px;
  }

  .comment-box {
    padding: 12px;
  }

  .sidebar-widget {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
  }

  .card-body {
    padding: 10px;
  }

  .card-body h3 {
    font-size: 0.95em;
  }

  .card-body p {
    font-size: 0.75em;
  }

  .tag {
    font-size: 0.65em;
    padding: 2px 8px;
  }

  .app-section {
    padding: 20px;
  }

  .app-buttons {
    gap: 10px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9em;
  }

  .footer-links {
    gap: 12px;
  }

  .footer-info {
    font-size: 0.75em;
  }
}

/* ===== 暗色模式额外调整 ===== */
@media (prefers-color-scheme: dark) {
  header {
    background: linear-gradient(135deg, #1a1930 0%, #2d2b4d 100%);
  }

  .btn {
    background: linear-gradient(135deg, #7b5cff, #5a7cf7);
  }

  .btn-secondary {
    background: #2d2b4d;
  }

  .btn-secondary:hover {
    background: #3d3a6d;
  }

  .anime-card img {
    filter: brightness(0.9);
  }

  .anime-card:hover img {
    filter: brightness(1.1);
  }

  .app-section {
    background: linear-gradient(135deg, #1a1930 0%, #2d2b4d 100%);
  }

  footer {
    background: #1a1930;
  }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-page);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 5px;
  transition: background var(--transition-base);
}

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

/* ===== 选中文本样式 ===== */
::selection {
  background: var(--primary);
  color: #FFFFFF;
}

/* ===== 焦点样式（无障碍） ===== */
:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

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