```css
/* ===== 非凡影院 全站样式 ===== */
/* 全局变量与暗色模式 */
:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-footer: #0f172a;
  --text-primary: #1e293b;
  --text-secondary: #334155;
  --text-heading: #0f172a;
  --text-link: #2563eb;
  --text-btn: #ffffff;
  --border-color: #e2e8f0;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  --hero-overlay: rgba(15, 23, 42, 0.7);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0b1120;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-footer: #0b1120;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e1;
    --text-heading: #f8fafc;
    --text-link: #60a5fa;
    --border-color: #334155;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
  }
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a {
  color: var(--text-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--text-link);
  opacity: 0.85;
}

ul,
ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input,
textarea {
  font-family: inherit;
  border: none;
  outline: none;
}

/* ===== 容器 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* ===== 导航栏 ===== */
.navbar {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
  transition: var(--transition-base);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-heading);
  transition: transform 0.2s ease;
}

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

.logo svg {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.3));
  transition: transform 0.3s ease;
}

.logo:hover svg {
  transform: rotate(-5deg) scale(1.05);
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--text-link);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary);
  border-radius: 30px;
  padding: 6px 16px;
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.search-box:focus-within {
  border-color: var(--text-link);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-box input {
  background: transparent;
  color: var(--text-primary);
  padding: 6px;
  width: 140px;
  transition: width 0.3s ease;
}

.search-box input:focus {
  width: 180px;
}

.search-box button {
  background: none;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.search-box button:hover {
  transform: scale(1.1);
  color: var(--text-link);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text-primary);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
}

.menu-toggle:hover {
  background: var(--border-color);
}

/* ===== 首屏Hero ===== */
.hero-section {
  background: var(--gradient-hero);
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
  color: #f8fafc;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(100, 116, 139, 0.15) 0%, transparent 70%);
  animation: float 8s ease-in-out infinite reverse;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.1); }
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

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

.hero-content h1 {
  font-size: 2.8rem;
  margin: 0 0 16px;
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  line-height: 1.2;
  font-weight: 800;
}

.hero-content p {
  font-size: 1.2rem;
  color: #e2e8f0;
  line-height: 1.6;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  margin-bottom: 24px;
}

.hero-btn {
  display: inline-block;
  background: var(--gradient-primary);
  color: #ffffff;
  padding: 14px 32px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-base);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  position: relative;
  overflow: hidden;
}

.hero-btn::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 ease;
}

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

.hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* ===== 通用标题 ===== */
.section-title {
  font-size: 2rem;
  color: var(--text-heading);
  margin-bottom: 32px;
  position: relative;
  font-weight: 700;
  line-height: 1.3;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  margin-top: 8px;
  border-radius: 2px;
  transition: width 0.3s ease;
}

.section-title:hover::after {
  width: 100px;
}

/* ===== 卡片网格 ===== */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

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

.card h3 {
  color: var(--text-heading);
  font-size: 1.3rem;
  margin-top: 0;
  margin-bottom: 12px;
  font-weight: 600;
}

.card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.card .link {
  color: var(--text-link);
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  margin-top: 12px;
  transition: transform 0.2s ease;
}

.card .link:hover {
  transform: translateX(5px);
}

/* ===== 文章列表 ===== */
.article-list {
  list-style: none;
  padding: 0;
}

.article-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-base);
  border-radius: var(--radius-sm);
  padding-left: 16px;
  padding-right: 16px;
}

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

.article-list h3 {
  margin: 0 0 6px;
  font-size: 1.15rem;
}

.article-list h3 a {
  color: var(--text-heading);
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-list h3 a:hover {
  color: var(--text-link);
}

.article-list .meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 8px;
}

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

.article-list .link {
  color: var(--text-link);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.95rem;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow);
  border-color: var(--text-link);
}

.faq-question {
  padding: 18px 24px;
  font-weight: 600;
  color: var(--text-heading);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s ease;
  font-size: 1.05rem;
}

.faq-question:hover {
  background: var(--bg-primary);
}

.faq-question span {
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.3s ease;
  color: var(--text-link);
}

.faq-answer {
  padding: 0 24px 18px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  display: none;
  line-height: 1.8;
  animation: fadeIn 0.3s ease;
}

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

/* ===== 表格 ===== */
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.info-table th,
.info-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.info-table th {
  background: var(--bg-secondary);
  color: var(--text-heading);
  font-weight: 600;
}

.info-table td {
  color: var(--text-secondary);
}

.info-table tr:last-child td {
  border-bottom: none;
}

.info-table tr:hover td {
  background: var(--bg-primary);
}

/* ===== 页脚 ===== */
.footer {
  background-color: var(--bg-footer);
  color: #cbd5e1;
  padding: 48px 0 0;
  margin-top: 48px;
  position: relative;
}

.footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}

.footer-col {
  flex: 1;
  min-width: 180px;
}

.footer-col h4 {
  color: #f8fafc;
  margin-bottom: 16px;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  transition: var(--transition-base);
  position: relative;
  padding-left: 0;
}

.footer-col a:hover {
  color: #ffffff;
  padding-left: 8px;
}

.footer-col p {
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 8px;
}

.footer-bottom {
  text-align: center;
  padding: 24px 20px;
  border-top: 1px solid #1e293b;
  margin-top: 32px;
  color: #94a3b8;
  font-size: 0.9rem;
}

/* ===== 返回顶部 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--gradient-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  transition: var(--transition-base);
  z-index: 1000;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* ===== 通用按钮 ===== */
.btn-more {
  display: inline-block;
  background: var(--gradient-primary);
  color: #fff;
  padding: 10px 24px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-base);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-more:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3);
}

/* ===== 数字动画 ===== */
.stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-heading);
  display: block;
  margin-bottom: 4px;
}

/* ===== 其他组件 ===== */
.breadcrumb {
  background: transparent;
  padding: 16px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.breadcrumb a {
  color: var(--text-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--text-heading);
}

.howto-box {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
  transition: var(--transition-base);
}

.howto-box:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.howto-box h3 {
  color: var(--text-heading);
  margin-bottom: 16px;
  font-size: 1.3rem;
}

.howto-box ol {
  padding-left: 24px;
  color: var(--text-secondary);
  line-height: 2;
}

.howto-box ol li::marker {
  color: var(--text-link);
  font-weight: 600;
}

.howto-box p {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.highlight {
  color: var(--text-heading);
  font-weight: 600;
}

.svg-placeholder {
  background: linear-gradient(135deg, var(--border-color), var(--bg-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ===== 统计区域 ===== */
.stat-section {
  display: flex;
  gap: 40px;
  justify-content: center;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  flex-wrap: wrap;
  text-align: center;
}

.stat-section div {
  flex: 1;
  min-width: 150px;
}

.stat-section p {
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 768px) {
  .navbar {
    padding: 10px 0;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 12px;
    padding: 16px 0;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    margin-top: 8px;
    box-shadow: var(--shadow);
    animation: slideDown 0.3s ease;
  }

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

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .search-box {
    order: 3;
    width: 100%;
    margin-top: 8px;
  }

  .search-box input {
    width: 100%;
  }

  .search-box input:focus {
    width: 100%;
  }

  .hero-section {
    padding: 60px 0;
    min-height: 350px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

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

  .section-title {
    font-size: 1.6rem;
  }

  .grid-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer .container {
    flex-direction: column;
    gap: 24px;
  }

  .footer-col {
    min-width: 100%;
  }

  .stat-section {
    flex-direction: column;
    gap: 24px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
    font-size: 1.2rem;
  }

  .article-list li {
    padding-left: 12px;
    padding-right: 12px;
  }

  .faq-question {
    padding: 16px 20px;
    font-size: 1rem;
  }

  .faq-answer {
    padding: 0 20px 16px;
  }

  .howto-box {
    padding: 20px;
  }
}

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

  .hero-content h1 {
    font-size: 1.6rem;
  }

  .hero-btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

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

  .card {
    padding: 20px;
  }

  .logo {
    font-size: 1.2rem;
  }

  .logo svg {
    width: 28px;
    height: 28px;
  }
}

/* ===== 打印样式 ===== */
@media print {
  .navbar,
  .hero-section,
  .footer,
  .back-to-top,
  .search-box,
  .menu-toggle {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .card,
  .howto-box,
  .faq-item {
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* ===== 滚动动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--text-link);
  border-radius: 4px;
}

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

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

/* ===== 选择颜色 ===== */
::selection {
  background: var(--text-link);
  color: white;
}
```