/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 基础样式 */
:root {
  --primary-color: #8B5CF6;
  --secondary-color: #EC4899;
  --accent-color: #F59E0B;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-light: #9CA3AF;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-dark: #111827;
  --border-color: #E5E7EB;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-logo i {
  margin-right: 0.5rem;
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

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

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary-color);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.search-btn,
.menu-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.search-btn:hover,
.menu-toggle:hover {
  background: var(--bg-secondary);
  color: var(--primary-color);
}

.menu-toggle {
  display: none;
}

/* 搜索栏 */
.search-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(-100%);
  transition: transform 0.3s ease;
  z-index: 999;
}

.search-bar.active {
  transform: translateY(0);
}

.search-container {
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
  gap: 1rem;
}

.search-container input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 2rem;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.search-container input:focus {
  border-color: var(--primary-color);
}

.search-submit,
.search-close {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.75rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
}

.search-submit:hover,
.search-close:hover {
  background: var(--secondary-color);
  transform: scale(1.1);
}

/* 英雄区域 */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-primary);
  overflow: hidden;
  margin-top: 70px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../lb/bjt.webp') center/cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-text h1 {
  font-size: 3.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  text-decoration: none;
  border-radius: 2rem;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: var(--secondary-color);
  color: white;
}

.btn-primary:hover {
  background: #DB2777;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background: white;
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.character-showcase {
  position: relative;
  width: 100%;
  height: 55vh;
  min-height: 360px;
  max-height: 560px;
}

.character-card {
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

.character-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.character-card.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.character-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: white;
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
}

.character-info h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.character-info p {
  font-size: 1rem;
  opacity: 0.9;
}

/* 通用区块样式 */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 特色内容 */
.features {
  padding: 5rem 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* 热门角色 */
.popular-characters {
  padding: 5rem 0;
}

.characters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.character-item {
  text-align: center;
}

.character-image {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
  background: white;
}

.character-image img {
  width: 100%;
  height: 300px;
  object-fit: contain;
  background: white;
  transition: transform 0.3s ease;
}

.character-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.character-item:hover .character-overlay {
  opacity: 1;
}

.character-item:hover .character-image img {
  transform: scale(1.1);
}

.character-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.character-item p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* 最新作品 */
.latest-works {
  padding: 5rem 0;
  background: var(--bg-secondary);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.work-card {
  background: white;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.work-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.work-image {
  position: relative;
  height: 250px;
  overflow: hidden;
  background: white;
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: white;
  transition: transform 0.3s ease;
}

.work-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.work-card:hover .work-overlay {
  opacity: 1;
}

.work-card:hover .work-image img {
  transform: scale(1.1);
}

.work-actions {
  display: flex;
  gap: 1rem;
}

.like-btn,
.share-btn {
  background: rgba(255, 255, 255, 0.9);
  border: none;
  padding: 0.75rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-primary);
}

.like-btn:hover,
.share-btn:hover {
  background: white;
  transform: scale(1.1);
}

.work-info {
  padding: 1.5rem;
}

.work-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.artist {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.work-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.work-stats span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.view-more {
  text-align: center;
}

/* 创作者推荐 */
.featured-artists {
  padding: 5rem 0;
}

.artists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.artist-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.artist-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.artist-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.artist-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.artist-info {
  flex: 1;
}

.artist-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.artist-info p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.artist-stats {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

/* 页脚 */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.footer-logo i {
  margin-right: 0.5rem;
  font-size: 1.8rem;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

/* 通用联系信息的可读性（非页脚区域） */
.contact-info {
  color: var(--text-secondary);
}

.contact-info i {
  color: var(--primary-color);
}

/* 页脚中的联系信息在深色背景下的对比度 */
.footer .contact-info p {
  color: rgba(255, 255, 255, 0.8);
}

.footer .contact-info i {
  color: rgba(255, 255, 255, 0.95);
}

/* 覆盖页脚内联系信息的背景，避免白底遮挡 */
.footer .contact-info {
  background: transparent;
  border: none;
  padding: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
  margin-bottom: 0.5rem;
}

/* 返回顶部 */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--primary-color);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
}

/* 漫画专区页面样式 */
.page-header {
  background: var(--gradient-primary);
  color: white;
  padding: 6rem 0 3rem;
  text-align: center;
  margin-top: 70px;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.25rem;
  opacity: 0.9;
}

.filters {
  background: white;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
}

.filter-group {
  margin-bottom: 2rem;
}

.filter-group:last-child {
  margin-bottom: 0;
}

.filter-group h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.filter-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.875rem;
}

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

.comics-grid {
  padding: 3rem 0;
  background: var(--bg-secondary);
}

.comics-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.comic-card {
  background: white;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  cursor: pointer;
}

.comic-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.comic-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.comic-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.comic-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.comic-card:hover .comic-overlay {
  opacity: 1;
}

.comic-card:hover .comic-image img {
  transform: scale(1.1);
}

.comic-actions {
  display: flex;
  gap: 1rem;
}

.comic-actions button {
  background: rgba(255, 255, 255, 0.9);
  border: none;
  padding: 0.75rem;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 60px;
}

.comic-actions button:hover {
  background: white;
  transform: scale(1.1);
}

.comic-actions button span {
  font-size: 0.75rem;
  font-weight: 600;
}

.comic-info {
  padding: 1.5rem;
}

.comic-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.comic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
}

.comic-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.comic-stats span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.load-more {
  text-align: center;
}

.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.liked {
  color: #EC4899 !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  /* 让移动端下拉菜单在激活时显示 */
  .nav-container { position: relative; }
  .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-color);
    z-index: 1001;
    gap: 0.25rem;
  }
  .nav-menu.active li { margin: 0; }
  .nav-menu.active a { padding: 0.75rem 0; display: block; }
  
  .menu-toggle {
    display: block;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }
  
  .hero-text h1 {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .features-grid,
  .characters-grid,
  .works-grid,
  .artists-grid {
    grid-template-columns: 1fr;
  }
  
  .artist-card {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
  
  .page-header h1 {
    font-size: 2rem;
  }
  
  .page-header p {
    font-size: 1rem;
  }
  
  .filter-options {
    justify-content: center;
  }
  
  .comics-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .nav-container {
    padding: 1rem;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .hero-text p {
    font-size: 1rem;
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 45px;
    height: 45px;
  }
}