@charset "UTF-8";

/* ============================================
   Theme A: 清新极简风格 (Fresh Minimalist)
   色彩体系：薄荷绿 + 天蓝 + 大量白色
   ============================================ */

:root {
  --primary: #10B981;
  --primary-light: #D1FAE5;
  --primary-dark: #059669;
  --secondary: #3B82F6;
  --secondary-light: #DBEAFE;
  --accent: #F59E0B;
  --accent-light: #FEF3C7;
  --bg-primary: #FAFBFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F3F4F6;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --border-color: #E5E7EB;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
* {
  box-sizing: border-box;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

/* ============================================
   导航栏样式
   ============================================ */
.theme-navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.theme-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.theme-navbar .site-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.theme-navbar .nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.theme-navbar .nav-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.theme-navbar .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
}

.theme-search-btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-lg);
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-search-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* 移动端导航按钮 */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

@media (max-width: 991px) {
  .mobile-menu-btn {
    display: block;
  }

  .navbar-nav-scroll {
    display: none;
  }

  .navbar-nav-scroll.show {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    padding: 1rem;
    box-shadow: var(--shadow-md);
  }

  .navbar-nav-scroll .navbar-nav {
    flex-direction: column;
  }
}

/* ============================================
   首页 Hero 区域 - 简约大图轮播
   ============================================ */
.hero-carousel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.hero-carousel .carousel-item img {
  border-radius: var(--radius-lg);
  aspect-ratio: 21/9;
  object-fit: cover;
}

.hero-carousel .carousel-caption {
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2rem;
}

.hero-carousel .carousel-caption p {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-carousel .carousel-indicators li {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin: 0 6px;
  background: rgba(255,255,255,0.5);
  border: none;
}

.hero-carousel .carousel-indicators li.active {
  background: var(--primary);
}

/* ============================================
   每日一句卡片 - 特色模块
   ============================================ */
.daily-quote-card {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.daily-quote-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 120px;
  color: var(--primary);
  opacity: 0.1;
  font-family: Georgia, serif;
  line-height: 1;
}

.daily-quote-text {
  font-size: 1.125rem;
  color: var(--text-primary);
  font-style: italic;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.daily-quote-author {
  margin-top: 1rem;
  text-align: right;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   Section 标题样式
   ============================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
}

.section-title .icon {
  width: 32px;
  height: 32px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.section-more {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition);
}

.section-more:hover {
  color: var(--primary);
}

/* ============================================
   文章列表卡片 - 极简风格
   ============================================ */
.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
  display: flex;
  gap: 1.25rem;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.article-card-image {
  flex-shrink: 0;
  width: 180px;
  height: 120px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.article-card:hover .article-card-image img {
  transform: scale(1.05);
}

.article-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
  transition: var(--transition);
}

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

.article-card-desc {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
  font-size: 0.813rem;
  color: var(--text-muted);
}

.article-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* 移动端适配 */
@media (max-width: 576px) {
  .article-card {
    flex-direction: column;
  }

  .article-card-image {
    width: 100%;
    height: 180px;
  }
}

/* ============================================
   加载更多按钮
   ============================================ */
.load-more-btn {
  background: var(--bg-secondary);
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 0.75rem 2.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.load-more-btn:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.load-more-btn:disabled {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ============================================
   侧边栏样式
   ============================================ */
.sidebar {
  position: sticky;
  top: 80px;
}

.sidebar-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.sidebar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-title i {
  color: var(--primary);
}

/* 热门文章列表 */
.hot-article-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

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

.hot-article-item:hover {
  padding-left: 0.5rem;
}

.hot-rank {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

.hot-rank.top-1 {
  background: var(--accent);
  color: white;
}

.hot-rank.top-2 {
  background: var(--primary);
  color: white;
}

.hot-rank.top-3 {
  background: var(--secondary);
  color: white;
}

.hot-article-title {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: var(--transition);
}

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

/* 视频列表 */
.video-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.video-item {
  transition: var(--transition);
}

.video-thumb {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 16/9;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.video-item:hover .video-thumb img {
  transform: scale(1.05);
}

.video-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  top: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent 50%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0.75rem;
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  color: white;
  opacity: 0.8;
  transition: var(--transition);
}

.video-item:hover .video-play {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.1);
}

.video-duration {
  background: rgba(0,0,0,0.7);
  color: white;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.video-info {
  padding-top: 0.5rem;
}

.video-title {
  font-size: 0.875rem;
  color: var(--text-primary);
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  transition: var(--transition);
}

.video-title:hover {
  color: var(--primary);
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-item {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
  font-size: 0.813rem;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid transparent;
}

.tag-item:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  text-decoration: none;
}

/* ============================================
   面包屑导航
   ============================================ */
.breadcrumb-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}

.breadcrumb-list a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb-list a:hover {
  color: var(--primary);
}

.breadcrumb-list .separator {
  color: var(--text-muted);
}

/* ============================================
   栏目页筛选器
   ============================================ */
.filter-bar {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.filter-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
}

.filter-row:last-child {
  border-bottom: none;
}

.filter-btn {
  padding: 0.375rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition);
  border: 1px solid transparent;
}

.filter-btn:hover {
  color: var(--primary);
  background: var(--primary-light);
}

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

/* ============================================
   分页组件
   ============================================ */
.pagination-wrapper {
  display: flex;
  justify-content: center;
  padding: 2rem 0;
}

.pagination {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.pagination .page-item .page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.pagination .page-item .page-link:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.pagination .page-item.active .page-link {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination .page-item.disabled .page-link {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ============================================
   文章详情页
   ============================================ */
.article-detail {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.article-detail-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 1rem;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.article-detail-meta span {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.article-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  text-decoration: none;
  transition: var(--transition);
}

.article-tag:hover {
  background: var(--primary);
  color: white;
}

.article-content {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--text-primary);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.article-content p {
  margin-bottom: 1.25rem;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

/* 文章投票 */
.article-vote {
  display: flex;
  justify-content: center;
  gap: 3rem;
  padding: 2rem 0;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.vote-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-secondary);
}

.vote-btn:hover {
  color: var(--primary);
  transform: scale(1.1);
}

.vote-btn i {
  font-size: 2rem;
}

.vote-btn span {
  font-size: 0.875rem;
}

/* 上下篇导航 */
.article-nav {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 2rem;
}

.article-nav-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.article-nav-item a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

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

/* 相关文章 */
.related-articles {
  margin-top: 2rem;
}

.related-articles-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary);
  margin-bottom: 1rem;
  display: inline-block;
}

.related-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.related-list li {
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border-color);
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.related-list a::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.related-list a:hover {
  color: var(--primary);
  padding-left: 0.5rem;
}

/* ============================================
   页脚
   ============================================ */
.theme-footer {
  background: var(--text-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 2.5rem 0;
  margin-top: 3rem;
}

.footer-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.footer-copyright {
  text-align: center;
  font-size: 0.875rem;
}

.footer-copyright a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: var(--transition);
}

.footer-copyright a:hover {
  color: white;
}

/* ============================================
   实用工具类
   ============================================ */
.text-primary { color: var(--primary) !important; }
.text-secondary-custom { color: var(--secondary) !important; }
.bg-primary-light { background: var(--primary-light) !important; }

/* 骨架屏加载占位 */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 渐入动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.5s ease-out forwards;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.25rem;
  }

  .article-detail {
    padding: 1.5rem;
  }

  .article-detail-title {
    font-size: 1.5rem;
  }

  .daily-quote-card {
    padding: 1.5rem;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 576px) {
  .hero-carousel .carousel-caption p {
    font-size: 1rem;
  }

  .footer-stats {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}