```css
/* 奇优影院 - 完整样式表 */
/* 设计风格：影视科技 · 深空渐变 · 毛玻璃质感 */
:root {
  --bg: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-footer: #1e293b;
  --text-primary: #1f2937;
  --text-secondary: #334155;
  --text-heading: #0f172a;
  --text-footer: #cbd5e1;
  --text-footer-heading: #f8fafc;
  --accent: #2563eb;
  --accent-light: #60a5fa;
  --border: rgba(148, 163, 184, 0.25);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 16px 48px rgba(37, 99, 235, 0.15);
  --hover-bg: #f1f5f9;
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #334155 100%);
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(255, 255, 255, 0.3);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --blur: blur(20px);
  --section-space: 80px;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.8);
  --bg-footer: #020617;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-heading: #ffffff;
  --text-footer: #94a3b8;
  --text-footer-heading: #f8fafc;
  --accent: #60a5fa;
  --accent-light: #93c5fd;
  --border: rgba(148, 163, 184, 0.2);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 16px 48px rgba(96, 165, 250, 0.2);
  --hover-bg: rgba(51, 65, 85, 0.3);
  --gradient-hero: linear-gradient(135deg, #020617 0%, #0f172a 40%, #1e293b 100%);
  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.7;
  transition: background 0.5s ease, color 0.3s ease;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--accent), var(--accent-light));
  border-radius: 10px;
}

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* 标题系统 */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin: 3rem 0 1.5rem;
  padding-left: 1.25rem;
  border-left: 5px solid transparent;
  border-image: linear-gradient(180deg, var(--accent), var(--accent-light)) 1;
  position: relative;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 1.25rem;
  width: 60px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 10px;
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  margin: 1.8rem 0 0.8rem;
}

h4 {
  font-size: 1.15rem;
  margin: 1.2rem 0 0.5rem;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

/* 工具类 */
.sub-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.text-muted {
  color: var(--text-secondary);
}

.bg-soft {
  background: var(--bg-card);
}

.border-line {
  border-color: var(--border);
}

/* 卡片系统 */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

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

/* 网格系统 */
.grid {
  display: grid;
  gap: 28px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 按钮 */
.btn {
  display: inline-block;
  background: var(--gradient-accent);
  color: #ffffff;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
  z-index: -1;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.4);
  color: #fff;
}

.btn:hover::before {
  left: 100%;
}

.btn:active {
  transform: translateY(0);
}

/* 导航栏 */
.navbar {
  position: sticky;
  top: 0;
  background: var(--glass-bg);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow);
  background: var(--bg-card);
}

.nav-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo em {
  font-style: normal;
  font-size: 1.2rem;
  -webkit-text-fill-color: initial;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  margin-left: 8px;
  font-weight: 500;
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 40px;
  transition: var(--transition);
  position: relative;
}

.nav-links a::after {
  display: none;
}

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

.nav-links a.active {
  color: var(--accent);
  background: var(--hover-bg);
}

.menu-icon {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}

.menu-icon:hover {
  background: var(--hover-bg);
}

/* Hero区域 */
.hero {
  background: var(--gradient-hero);
  padding: 100px 0;
  margin-bottom: 2rem;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(96, 165, 250, 0.3), transparent 70%);
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2), transparent 70%);
  animation: float 12s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(5deg); }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: #ffffff;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.hero p {
  color: #e2e8f0;
  font-size: 1.25rem;
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.banner-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 40px;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* 面包屑 */
.breadcrumb {
  padding: 20px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: var(--accent);
}

.breadcrumb span {
  color: var(--text-secondary);
}

/* 文章卡片 */
.total-articles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-card {
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--accent), var(--accent-light)) 1;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.article-card::after {
  content: '→';
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-20px);
  transition: var(--transition);
}

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

.article-card:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.article-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--text-heading);
  transition: color 0.3s ease;
}

.article-card:hover h3 {
  color: var(--accent);
}

.article-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.article-card a {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.article-card a::after {
  display: none;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  transition: var(--transition);
  cursor: pointer;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-heading);
  font-size: 1.05rem;
  transition: color 0.3s ease;
  padding: 12px 0;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question span {
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.3s ease;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-question.active span {
  transform: rotate(45deg);
}

.faq-answer {
  margin-top: 12px;
  color: var(--text-primary);
  line-height: 1.8;
  padding-right: 40px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 标签 */
.tag {
  background: var(--gradient-accent);
  color: white;
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-block;
  transition: var(--transition);
}

.tag:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

/* 页脚 */
.footer {
  background: var(--bg-footer);
  color: var(--text-footer);
  padding: 60px 0 24px;
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.footer h4 {
  color: var(--text-footer-heading);
  font-size: 1.1rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 10px;
}

.footer a {
  color: var(--text-footer);
  transition: color 0.3s ease;
}

.footer a:hover {
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer p {
  color: var(--text-footer);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* 返回顶部 */
.back-to-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  background: var(--gradient-accent);
  color: white;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
  cursor: pointer;
  border: none;
  z-index: 99;
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.4);
}

/* 友情链接 */
.friend-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  padding: 20px 0;
}

.friend-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--transition);
}

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

/* 分割线 */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* 列表样式 */
ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

ol li {
  margin-bottom: 8px;
  line-height: 1.8;
  color: var(--text-primary);
}

ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

ul li {
  margin-bottom: 8px;
  line-height: 1.8;
  color: var(--text-primary);
}

/* 图片懒加载 */
.lazy-img {
  background: var(--hover-bg);
  position: relative;
  overflow: hidden;
}

.lazy-img::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  100% { left: 100%; }
}

/* 深色模式切换按钮 */
#darkToggle {
  cursor: pointer;
  user-select: none;
  padding: 8px 16px;
  border-radius: 40px;
  background: var(--hover-bg);
  transition: var(--transition);
}

#darkToggle:hover {
  background: var(--accent);
  color: white;
}

/* 动画效果 */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero {
    padding: 80px 0;
  }
}

@media (max-width: 900px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--border);
    gap: 8px;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links a {
    margin: 4px 0;
    padding: 12px 20px;
    width: 100%;
    text-align: center;
  }
  
  .menu-icon {
    display: block;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .card {
    padding: 24px;
  }
  
  .back-to-top {
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4, .total-articles {
    grid-template-columns: 1fr;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .card {
    padding: 20px;
    border-radius: 16px;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .article-card {
    padding: 20px;
  }
  
  .faq-answer {
    padding-right: 0;
  }
  
  .back-to-top {
    bottom: 16px;
    right: 16px;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
  
  .logo {
    font-size: 1.5rem;
  }
}

/* 打印样式 */
@media print {
  .navbar, .hero, .back-to-top, .footer, .menu-icon, #darkToggle {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .container {
    max-width: 100%;
    padding: 0;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* 无障碍访问 */
@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;
  }
}

/* 焦点可见性 */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 选中文本样式 */
::selection {
  background: var(--accent);
  color: white;
}

/* 卡片内链接优化 */
.card a {
  font-weight: 600;
}

/* 表格样式（备用） */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--hover-bg);
  font-weight: 600;
}

/* 代码块样式 */
code {
  background: var(--hover-bg);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}

pre {
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  border: 1px solid var(--border);
  margin: 16px 0;
}

pre code {
  background: none;
  padding: 0;
  color: var(--text-primary);
}

/* 区块间距 */
section {
  margin-bottom: var(--section-space);
}

section:last-of-type {
  margin-bottom: 40px;
}

/* 联系卡片 */
.contact-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.contact-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.contact-card h3::before {
  content: '📌';
  font-size: 1.2rem;
}

/* 资质卡片 */
.cert-card {
  background: linear-gradient(135deg, var(--bg-card), transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.cert-card h4 {
  color: var(--accent);
  margin-bottom: 12px;
}

/* 响应式容器 */
@media (min-width: 1600px) {
  .container {
    max-width: 1440px;
  }
}

/* 动画延迟 */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* 图片响应式 */
img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* 视频容器 */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #000;
}

.video-container iframe,
.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* 播放按钮 */
.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--gradient-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.3);
  border: 4px solid rgba(255, 255, 255, 0.3);
}

.play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.4);
}

.play-btn::after {
  content: '▶';
  color: white;
  font-size: 2rem;
  margin-left: 4px;
}

/* 评分星星 */
.rating {
  display: flex;
  align-items: center;
  gap: 4px;
  color: #fbbf24;
  margin: 8px 0;
}

.rating span {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-left: 8px;
}

/* 标签组 */
.tag-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0;
}

/* 信息提示框 */
.info-box {
  background: var(--hover-bg);
  border-left: 4px solid var(--accent);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 16px 0;
}

.warning-box {
  background: rgba(251, 191, 36, 0.1);
  border-left-color: #f59e0b;
}

.error-box {
  background: rgba(239, 68, 68, 0.1);
  border-left-color: #ef4444;
}

.success-box {
  background: rgba(16, 185, 129, 0.1);
  border-left-color: #10b981;
}

/* 统计数字 */
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* 合作伙伴 */
.partners {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 20px 0;
}

.partner-logo {
  opacity: 0.6;
  filter: grayscale(1);
  transition: var(--transition);
  cursor: pointer;
}

.partner-logo:hover {
  opacity: 1;
  filter: grayscale(0);
  transform: scale(1.05);
}

/* 时间线 */
.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg);
}

/* 滚动条动画 */
@keyframes scrollHint {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

/* 移动端优化 */
@media (max-width: 600px) {
  .stat-number {
    font-size: 2rem;
  }
  
  .play-btn {
    width: 60px;
    height: 60px;
  }
  
  .play-btn::after {
    font-size: 1.5rem;
  }
  
  .timeline {
    padding-left: 24px;
  }
  
  .timeline-item::before {
    left: -22px;
    width: 10px;
    height: 10px;
  }
}

/* 横向滚动 */
.horizontal-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 20px 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.horizontal-scroll > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.horizontal-scroll::-webkit-scrollbar {
  height: 6px;
}

.horizontal-scroll::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 10px;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* 骨架屏 */
.skeleton {
  background: linear-gradient(90deg, var(--hover-bg) 25%, var(--bg-card) 50%, var(--hover-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  min-height: 100px;
}

/* 最后确保所有元素都有过渡 */
* {
  transition-property: background-color, border-color, color, box-shadow, transform, opacity;
  transition-duration: 0.3s;
  transition-timing-function: ease;
}

/* 性能优化 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}
```