```css
:root {
  --primary: #6C5CE7;
  --primary-light: #A29BFE;
  --secondary: #00B894;
  --accent: #FD79A8;
  --bg-dark: #0F0F1A;
  --bg-card: rgba(255, 255, 255, 0.08);
  --bg-card-hover: rgba(255, 255, 255, 0.12);
  --text-dark: #F0F0F5;
  --text-secondary: #B8B8C8;
  --border-glass: rgba(255, 255, 255, 0.15);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --gradient-banner: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* 基础重置与全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background: var(--bg-dark);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  transition: background 0.3s ease;
}

/* 暗色模式（默认） */
body {
  background: linear-gradient(135deg, #0F0F1A 0%, #1A1A2E 50%, #16213E 100%);
  background-attachment: fixed;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
  background: #1A1A2E;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--primary-light), var(--secondary));
}

/* 通用容器 */
main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  margin: 3rem 0;
  position: relative;
}

/* 动画滚动进入 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section {
  animation: fadeInUp 0.8s ease-out both;
}

/* Header 样式 */
header {
  background: rgba(15, 15, 26, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

header h1 {
  font-size: 2.2rem;
  background: var(--gradient-banner);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
  display: inline-block;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 20px rgba(108, 92, 231, 0.3);
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  list-style: none;
  padding: 0.5rem 0;
}

nav ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 1.2rem;
  border-radius: 30px;
  transition: var(--transition);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

nav ul li a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
}

nav ul li a:hover {
  color: var(--text-dark);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-glass);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

nav ul li a:hover::before {
  left: 100%;
}

/* 区块标题 */
h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  position: relative;
  padding-bottom: 1rem;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--gradient-banner);
  border-radius: 2px;
  transition: width 0.3s ease;
}

h2:hover::after {
  width: 100%;
}

h3 {
  font-size: 1.2rem;
  margin: 1rem 0 0.5rem;
  color: var(--text-dark);
  transition: var(--transition);
}

/* 电影网格 */
.movie-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
  padding: 1rem 0;
}

.movie-grid article {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  position: relative;
  transform: translateY(0);
}

.movie-grid article:hover {
  transform: translateY(-10px) scale(1.02);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover);
  border-color: rgba(255, 255, 255, 0.3);
}

.movie-grid img {
  width: 100%;
  height: auto;
  aspect-ratio: 5/7;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: brightness(0.9);
}

.movie-grid article:hover img {
  transform: scale(1.05);
  filter: brightness(1);
}

.movie-grid article p {
  padding: 0.2rem 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  gap: 0.5rem;
}

.movie-grid article p:first-of-type {
  padding-top: 1rem;
}

.movie-grid article p:last-of-type {
  padding-bottom: 1rem;
}

/* 精品推荐区 */
#featured article {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

#featured article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

#featured article:hover {
  transform: translateX(10px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover);
}

#featured article:hover::before {
  opacity: 1;
}

#featured img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
  transition: var(--transition);
}

#featured article:hover img {
  transform: scale(1.02);
}

#featured article p {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

/* 影视详细介绍 */
#detail article {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

#detail article::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.3), transparent);
  border-radius: 50%;
  pointer-events: none;
}

#detail article:hover {
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-hover);
}

#detail img {
  max-width: 300px;
  border-radius: var(--radius-sm);
  float: left;
  margin-right: 2rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

#detail img:hover {
  transform: scale(1.02);
}

#detail p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

#detail strong {
  color: var(--text-dark);
}

/* 演员介绍 */
#cast {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

#cast article {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

#cast article::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-banner);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

#cast article:hover::before {
  transform: scaleX(1);
}

#cast article:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
}

#cast img {
  width: 180px;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

#cast article:hover img {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
}

#cast p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0.3rem 0;
}

/* 平台介绍 */
#about {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

#about:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover);
}

#about p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
  font-size: 1.05rem;
}

/* APP下载 */
#app-download {
  text-align: center;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(0, 184, 148, 0.2));
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  transition: var(--transition);
}

#app-download:hover {
  transform: scale(1.01);
  box-shadow: var(--shadow-hover);
}

#app-download p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.download-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.download-buttons a {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--gradient-banner);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.download-buttons a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.download-buttons a:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(108, 92, 231, 0.5);
}

.download-buttons a:hover::before {
  left: 100%;
}

/* 用户评论 */
#user-reviews {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

#user-reviews article {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 1.2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

#user-reviews article::before {
  content: '“';
  position: absolute;
  top: -10px;
  left: 10px;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.3;
  font-family: Georgia, serif;
}

#user-reviews article:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover);
}

#user-reviews time {
  color: var(--text-secondary);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.5rem;
}

#user-reviews p:last-child {
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
}

/* 侧边栏 */
aside {
  margin-top: 3rem;
}

#sidebar {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

#sidebar:hover {
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-hover);
}

#sidebar h3 {
  color: var(--primary-light);
  font-size: 1.1rem;
  margin-top: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border-glass);
  position: relative;
}

#sidebar h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-banner);
}

#sidebar ol, #sidebar ul {
  list-style: none;
  padding-left: 0;
}

#sidebar li {
  padding: 0.6rem 0;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
  padding-left: 1rem;
  position: relative;
}

#sidebar li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-light);
  opacity: 0;
  transition: opacity 0.3s ease;
}

#sidebar li:hover {
  color: var(--text-dark);
  padding-left: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
}

#sidebar li:hover::before {
  opacity: 1;
}

/* Footer */
footer {
  background: rgba(15, 15, 26, 0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-glass);
  padding: 3rem 2rem;
  margin-top: 4rem;
  text-align: center;
}

footer h2 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

footer ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

footer ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
}

footer ul li a:hover {
  color: var(--text-dark);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

footer p {
  color: var(--text-secondary);
  margin: 0.5rem 0;
  font-size: 0.9rem;
}

footer p a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

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

/* 响应式设计 */
@media (max-width: 768px) {
  main {
    padding: 0 1rem;
  }

  header {
    padding: 0.8rem 1rem;
  }

  header h1 {
    font-size: 1.6rem;
  }

  nav ul {
    gap: 0.5rem;
    justify-content: center;
  }

  nav ul li a {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }

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

  #featured article {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  #featured img {
    max-width: 100%;
  }

  #detail img {
    float: none;
    margin-right: 0;
    max-width: 100%;
    width: 100%;
  }

  #cast {
    grid-template-columns: 1fr;
  }

  #user-reviews {
    grid-template-columns: 1fr;
  }

  #app-download {
    padding: 2rem 1rem;
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }

  .download-buttons a {
    width: 80%;
    text-align: center;
  }

  footer {
    padding: 2rem 1rem;
  }

  footer ul {
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .movie-grid {
    grid-template-columns: 1fr;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav ul li a {
    display: block;
    width: 100%;
    text-align: center;
  }

  #sidebar {
    padding: 1rem;
  }
}

/* 悬停动画增强 */
@media (hover: hover) {
  .movie-grid article:hover p {
    color: var(--text-dark);
  }

  #featured article:hover p {
    color: var(--text-dark);
  }
}

/* 渐变Banner效果 */
#hot-movies::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
  animation: rotate 20s linear infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 卡片光泽效果 */
.movie-grid article::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s;
  pointer-events: none;
}

.movie-grid article:hover::after {
  left: 100%;
}

/* 性能优化 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

article {
  isolation: isolate;
}

/* 打印样式优化 */
@media print {
  header, footer, aside, #app-download {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  section {
    break-inside: avoid;
  }
}
```