```css
/* ===== 基础重置与设计变量 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0b0d1a;
  --bg-secondary: #12152b;
  --bg-card: rgba(30, 34, 64, 0.75);
  --bg-nav: rgba(10, 12, 26, 0.85);
  --bg-footer: #0b0d1a;
  --text-primary: #eef0ff;
  --text-secondary: #b4b8d4;
  --text-muted: #7a80a8;
  --accent: #ffb86b;
  --accent-secondary: #bd93f9;
  --accent-tertiary: #6bc5ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius: 18px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-height: 70px;
  --gradient-banner: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

/* 暗色模式 */
@media (prefers-color-scheme: light) {
  :root {
    --bg-primary: #f5f3ff;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-nav: rgba(255, 255, 255, 0.9);
    --bg-footer: #1a1a2e;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a68;
    --text-muted: #6b6b8e;
    --border: rgba(0, 0, 0, 0.08);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --gradient-banner: linear-gradient(135deg, #6b4cff 0%, #8b5cf6 100%);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
  }
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: linear-gradient(135deg, #2a2a4a 0%, #1a1a3a 100%);
  border-radius: 12px;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

a {
  color: var(--accent-secondary);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

a:hover {
  color: var(--accent);
  text-decoration: none;
}

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}

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

h1, h2, h3 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1rem;
  background: var(--gradient-banner);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 1.2rem;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* ===== 卡片与组件 ===== */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.6s ease both;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-banner);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  border-color: var(--accent-secondary);
}

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

.card:hover img {
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.badge {
  background: var(--accent);
  color: #1a1a2e;
  padding: 4px 14px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
}

.btn {
  background: var(--gradient-banner);
  color: #ffffff;
  border: none;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  display: inline-block;
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
  box-shadow: 0 4px 16px rgba(107, 76, 255, 0.3);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(107, 76, 255, 0.5);
  background: linear-gradient(135deg, #5a3ef7 0%, #7c4dff 100%);
}

.btn-light {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-secondary);
}

/* ===== 头部导航 ===== */
header {
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
  min-height: var(--nav-height);
}

header a[href="/"] {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

header a[href="/"] span {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-banner);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
  transition: var(--transition);
}

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

/* ===== 主内容 ===== */
main.container {
  margin-top: 32px;
  animation: fadeIn 0.8s ease both;
}

section {
  margin-bottom: 48px;
  position: relative;
}

section h2 {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  margin-bottom: 24px;
  position: relative;
}

section h2::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-banner);
  border-radius: 4px;
}

/* ===== 网格布局 ===== */
.anime-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}

.anime-grid .card {
  padding: 10px;
  animation: fadeInUp 0.6s ease both;
  animation-delay: calc(var(--i, 0) * 0.05s);
}

.anime-grid .card img {
  border-radius: 12px;
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.anime-grid .card h3 {
  font-size: 1.1rem;
  margin-top: 10px;
  margin-bottom: 4px;
}

.anime-grid .card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

.anime-grid .card p:last-child {
  color: var(--accent);
  font-weight: bold;
  margin-top: 8px;
  font-size: 1rem;
}

/* ===== 新番推荐 ===== */
.new-anime-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.new-anime-grid .card {
  overflow: hidden;
}

.new-anime-grid .card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 12px;
}

/* ===== 详细介绍 ===== */
.detail-card {
  padding: 32px;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.detail-card img {
  width: 100%;
  max-height: 450px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 20px;
}

.detail-card h3 {
  margin-top: 24px;
  margin-bottom: 12px;
  font-size: 1.3rem;
  color: var(--accent);
}

.detail-card p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

/* ===== 角色卡片 ===== */
.character-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}

.character-grid .card {
  text-align: center;
  padding: 16px;
}

.character-grid .card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 12px;
  border: 3px solid var(--accent);
  transition: var(--transition);
}

.character-grid .card:hover img {
  transform: scale(1.1);
  border-color: var(--accent-secondary);
}

.character-grid .card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.character-grid .card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ===== 平台介绍 ===== */
.platform-card {
  background: var(--gradient-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  line-height: 1.8;
}

.platform-card p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ===== APP下载 ===== */
.app-download {
  background: var(--gradient-banner);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  color: #ffffff;
}

.app-download::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.app-download p {
  color: #ffffff;
  margin-bottom: 16px;
}

.app-download .btn {
  background: #ffffff;
  color: var(--accent);
  margin-right: 12px;
}

.app-download .btn:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* ===== 用户评论 ===== */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.review-grid p {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: var(--transition);
  color: var(--text-secondary);
}

.review-grid p:hover {
  transform: translateX(4px);
  border-color: var(--accent);
  color: var(--text-primary);
}

/* ===== 侧边栏 ===== */
aside {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 40px;
}

aside h2 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  border-left: none;
  padding-left: 0;
}

aside h3 {
  font-size: 1.1rem;
  margin-top: 20px;
  margin-bottom: 8px;
  color: var(--accent);
}

aside ol, aside ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

aside li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

aside p {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

aside strong {
  color: var(--text-primary);
}

/* ===== 页脚 ===== */
footer {
  background: var(--bg-footer);
  color: var(--text-secondary);
  padding: 32px 0;
  margin-top: 48px;
  border-top: 1px solid var(--border);
}

footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}

footer p {
  margin-bottom: 8px;
}

footer a {
  color: var(--text-secondary);
  margin-right: 16px;
}

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

footer a::after {
  display: none;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-20px) scale(1.05);
  }
}

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

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

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

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

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    padding: 12px 20px;
    gap: 12px;
  }

  nav {
    width: 100%;
    justify-content: center;
    gap: 8px 16px;
    padding-bottom: 12px;
    overflow-x: auto;
    white-space: nowrap;
  }

  nav a {
    font-size: 0.85rem;
    padding: 6px 8px;
  }

  main.container {
    padding: 0 12px;
  }

  .anime-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
  }

  .anime-grid .card {
    padding: 8px;
  }

  .anime-grid .card h3 {
    font-size: 0.95rem;
  }

  .anime-grid .card p {
    font-size: 0.75rem;
  }

  .new-anime-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
  }

  .character-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px;
  }

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

  .detail-card {
    padding: 16px;
  }

  .app-download {
    padding: 24px;
  }

  .app-download .btn {
    display: block;
    margin-bottom: 12px;
    margin-right: 0;
    text-align: center;
  }

  footer .container {
    flex-direction: column;
    text-align: center;
  }

  footer a {
    margin-right: 8px;
  }

  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 8px;
  }

  .anime-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .anime-grid .card {
    padding: 6px;
  }

  .anime-grid .card h3 {
    font-size: 0.85rem;
  }

  .anime-grid .card p {
    font-size: 0.7rem;
  }

  .new-anime-grid {
    grid-template-columns: 1fr;
  }

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

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

  aside {
    padding: 16px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.85rem;
  }
}

/* ===== 滚动动画 ===== */
@media (prefers-reduced-motion: no-preference) {
  .card {
    animation: fadeInUp 0.6s ease both;
  }

  .card:nth-child(2n) {
    animation-delay: 0.1s;
  }

  .card:nth-child(3n) {
    animation-delay: 0.2s;
  }

  .card:nth-child(4n) {
    animation-delay: 0.3s;
  }

  .card:nth-child(5n) {
    animation-delay: 0.4s;
  }

  .card:nth-child(6n) {
    animation-delay: 0.5s;
  }

  .card:nth-child(7n) {
    animation-delay: 0.6s;
  }

  .card:nth-child(8n) {
    animation-delay: 0.7s;
  }

  .card:nth-child(9n) {
    animation-delay: 0.8s;
  }

  .card:nth-child(10n) {
    animation-delay: 0.9s;
  }
}

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

/* ===== 焦点可见性 ===== */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 打印样式 ===== */
@media print {
  header, footer, aside, .btn, .app-download {
    display: none !important;
  }

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

  .card {
    border: 1px solid #cccccc;
    box-shadow: none;
  }
}
```