```css
/* ===== www91 - 影视动漫综合资源导航站 ===== */
/* 风格：现代影视 + 动漫活力 + 毛玻璃质感 */

:root {
  --primary: #0a3d62;
  --primary-dark: #082c47;
  --primary-light: #1e5a8a;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --bg: #f9fafb;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.6);
  --text-primary: #1f2937;
  --text-secondary: #3e4c5e;
  --text-muted: #4b5563;
  --text-invert: #f8fafc;
  --border-light: #e5e7eb;
  --shadow: rgba(0, 0, 0, 0.06);
  --shadow-hover: rgba(0, 0, 0, 0.12);
  --hover-bg: #f1f5f9;
  --code-bg: #f1f5f9;
  --gradient-hero: linear-gradient(135deg, #0a3d62 0%, #1e5a8a 50%, #3b82c4 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9), rgba(255,255,255,0.5));
  --blur: blur(12px);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --primary: #3b82c4;
  --primary-dark: #1e5a8a;
  --primary-light: #60a5fa;
  --accent: #fbbf24;
  --accent-light: #fcd34d;
  --bg: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.6);
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-invert: #0f172a;
  --border-light: #334155;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-hover: rgba(0, 0, 0, 0.5);
  --hover-bg: #1e293b;
  --code-bg: #1e293b;
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e5a8a 100%);
  --gradient-card: linear-gradient(145deg, rgba(30,41,59,0.9), rgba(15,23,42,0.5));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(245, 158, 11, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(30, 90, 138, 0.08) 0%, transparent 40%);
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

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

/* ===== 导航栏 - 毛玻璃效果 ===== */
.navbar {
  background: var(--bg-glass);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 4px 20px var(--shadow);
  transition: var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  flex-wrap: wrap;
}

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.logo::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-hero);
  border-radius: 4px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.logo:hover::after {
  transform: scaleX(1);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-primary);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  position: relative;
  transition: var(--transition);
}

.nav-links a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-links a:hover {
  color: var(--primary);
  border-bottom-color: transparent;
}

.nav-links a:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 40px;
  padding: 4px 4px 4px 16px;
  backdrop-filter: var(--blur);
  transition: var(--transition);
  box-shadow: 0 2px 8px var(--shadow);
}

.search-box:focus-within {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(30, 90, 138, 0.15);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.9rem;
  padding: 8px 0;
  color: var(--text-primary);
  width: 160px;
  transition: width 0.3s ease;
}

.search-box input:focus {
  width: 200px;
}

.search-box button {
  background: var(--primary);
  border: none;
  border-radius: 40px;
  padding: 8px 20px;
  color: white;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(10, 61, 98, 0.3);
}

.search-box button:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(10, 61, 98, 0.4);
}

.dark-toggle,
.menu-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 30px;
  padding: 8px 16px;
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  backdrop-filter: var(--blur);
}

.dark-toggle:hover,
.menu-toggle:hover {
  background: var(--hover-bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow);
}

/* 移动菜单 */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--bg-glass);
  backdrop-filter: var(--blur);
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  animation: slideDown 0.3s ease;
}

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

.mobile-menu a {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.mobile-menu a:hover {
  color: var(--primary);
  padding-left: 8px;
}

/* ===== 首屏 Hero - 渐变Banner ===== */
.hero {
  padding: 80px 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  color: white;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.1);
  animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: white;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero h1 span {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero h1 span::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  border-radius: 4px;
  transform: scaleX(0.8);
  transform-origin: center;
  animation: underline 1.5s ease forwards;
}

@keyframes underline {
  to { transform: scaleX(1); }
}

.hero p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 600px;
  line-height: 1.8;
}

.hero svg {
  width: 100%;
  max-width: 420px;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  animation: float 4s ease-in-out infinite;
  border-radius: 20px;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  background: white;
  color: var(--primary);
  padding: 14px 32px;
  border-radius: 40px;
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
  border: 2px solid transparent;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.btn:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border: 2px solid white;
  color: white;
  box-shadow: none;
}

.btn-outline:hover {
  background: white;
  color: var(--primary);
  border-color: white;
}

/* ===== 通用区块 ===== */
.section {
  padding: 80px 0;
  position: relative;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 48px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 80px;
  height: 4px;
  background: var(--gradient-hero);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.section-title:hover::after {
  width: 120px;
}

/* ===== 卡片网格 ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}

.card {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-hero);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px var(--shadow-hover);
  border-color: var(--primary-light);
}

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

.card h3 {
  font-size: 1.4rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

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

.card p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.card a {
  font-weight: 600;
  color: var(--primary);
}

.badge {
  background: var(--gradient-hero);
  color: white;
  padding: 4px 14px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(10, 61, 98, 0.3);
}

/* ===== 文章列表 ===== */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article-item {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.article-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-hero);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
}

.article-item:hover {
  background: var(--hover-bg);
  transform: translateX(8px);
  box-shadow: 0 8px 24px var(--shadow);
}

.article-item:hover::before {
  transform: scaleY(1);
}

.article-item h3 {
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 6px;
  transition: color 0.3s ease;
}

.article-item:hover h3 {
  color: var(--primary);
}

.article-item .meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-item .meta::before {
  content: "📅";
  font-size: 0.85rem;
}

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

.read-more {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.read-more:hover {
  gap: 8px;
  color: var(--primary-dark);
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 16px var(--shadow);
}

.faq-question {
  padding: 20px 28px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
  transition: var(--transition);
  user-select: none;
}

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

.faq-question span {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
  color: var(--primary);
}

.faq-answer {
  padding: 0 28px 24px;
  color: var(--text-secondary);
  display: none;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.faq-item.active {
  border-color: var(--primary-light);
  box-shadow: 0 8px 24px var(--shadow);
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question span {
  transform: rotate(180deg);
}

/* ===== 表格 ===== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px var(--shadow);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 600px;
}

.data-table th {
  background: var(--primary);
  color: white;
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
}

.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  transition: background 0.2s ease;
}

.data-table tbody tr:hover {
  background: var(--hover-bg);
}

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

/* ===== HowTo ===== */
.howto-step {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  padding: 24px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  border-left: 6px solid var(--primary);
  transition: var(--transition);
  box-shadow: 0 2px 12px var(--shadow);
}

.howto-step:hover {
  transform: translateX(8px);
  border-left-color: var(--accent);
  box-shadow: 0 8px 24px var(--shadow-hover);
}

.howto-step h4 {
  color: var(--text-primary);
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.howto-step p {
  color: var(--text-secondary);
}

/* ===== 联系 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.contact-grid h3 {
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 1.3rem;
}

.contact-grid p {
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-grid p::before {
  content: "•";
  color: var(--accent);
  font-size: 1.2rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: var(--text-invert);
  padding: 64px 0 24px;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-hero);
}

.footer a {
  color: #cbd5e1;
  transition: var(--transition);
}

.footer a:hover {
  color: white;
  padding-left: 4px;
}

.footer .container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer h4 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.1rem;
  position: relative;
  padding-bottom: 8px;
}

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

.footer p,
.footer li {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer li:hover {
  transform: translateX(4px);
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  margin-top: 48px;
  color: #cbd5e1;
  font-size: 0.9rem;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  background: var(--bg-card);
  backdrop-filter: var(--blur);
  padding: 12px 24px;
  border-radius: 40px;
  display: inline-block;
  margin: 32px 0;
  border: 1px solid var(--border-light);
  font-size: 0.9rem;
  color: var(--text-muted);
  box-shadow: 0 2px 8px var(--shadow);
  transition: var(--transition);
}

.breadcrumb:hover {
  box-shadow: 0 4px 16px var(--shadow-hover);
}

.breadcrumb a {
  color: var(--primary);
  font-weight: 500;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ===== 返回顶部 ===== */
#backTop {
  position: fixed;
  bottom: 40px;
  right: 30px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  z-index: 999;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

#backTop:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* ===== 滚动动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    margin: 0 auto 32px;
  }

  .btn-group {
    justify-content: center;
  }

  .hero svg {
    max-width: 300px;
    margin: 0 auto;
  }

  .section-title {
    font-size: 1.8rem;
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .mobile-menu {
    display: flex;
  }

  .hero-content {
    grid-template-columns: 1fr;
  }

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

  .footer .container {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .search-box {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 60px 0;
  }

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

  .section {
    padding: 60px 0;
  }

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

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .card {
    padding: 24px;
  }

  .article-item {
    padding: 20px;
  }

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

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

  .footer .container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .nav-actions {
    gap: 8px;
  }

  .dark-toggle {
    padding: 8px 12px;
    font-size: 0.85rem;
  }

  #backTop {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
  }
}

@media (min-width: 901px) {
  .menu-toggle {
    display: none;
  }
}

/* ===== 暗色模式优化 ===== */
[data-theme="dark"] .card,
[data-theme="dark"] .article-item,
[data-theme="dark"] .faq-item,
[data-theme="dark"] .howto-step {
  backdrop-filter: var(--blur);
  background: var(--bg-card);
}

[data-theme="dark"] .btn {
  background: var(--primary);
  color: white;
}

[data-theme="dark"] .btn:hover {
  background: var(--primary-light);
}

[data-theme="dark"] .btn-outline {
  border-color: var(--primary-light);
  color: var(--primary-light);
}

[data-theme="dark"] .btn-outline:hover {
  background: var(--primary-light);
  color: white;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 10px;
  border: 2px solid var(--bg);
}

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

/* ===== 选中文本 ===== */
::selection {
  background: var(--accent);
  color: var(--primary-dark);
}

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

/* ===== 打印样式 ===== */
@media print {
  .navbar,
  .footer,
  #backTop,
  .btn-group,
  .search-box,
  .dark-toggle,
  .menu-toggle {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .container {
    max-width: 100%;
    padding: 0;
  }
}
```