/* ===== 电竞周边收藏 - 样式表 ===== */
/* 主色调: #ff5722 (橙红色) */

/* ===== CSS 变量 ===== */
:root {
  --accent-color: #ff5722;
  --accent-dark: #e64a19;
  --accent-light: #ff8a65;
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-dark: #212121;
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-light: #ffffff;
  --border-color: #e0e0e0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 16px rgba(0,0,0,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --max-width: 1200px;
  --header-height: 64px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* ===== 布局容器 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== 页头 ===== */
.header {
  background: var(--bg-primary);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-color);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 1.1rem;
}

.nav {
  display: flex;
  gap: 30px;
}

.nav a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  gap: 8px;
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  width: 180px;
  font-size: 0.9rem;
}

.search-box button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-color);
  color: var(--text-light);
}

.btn-primary:hover {
  background: var(--accent-dark);
}

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

.btn-secondary:hover {
  background: var(--border-color);
}

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

.btn-outline:hover {
  background: var(--accent-color);
  color: var(--text-light);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

/* ===== Hero 区域 ===== */
.hero {
  background: linear-gradient(135deg, var(--bg-dark) 0%, #424242 100%);
  color: var(--text-light);
  padding: 60px 0;
  text-align: center;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.hero-cta {
  display: inline-flex;
  gap: 16px;
}

/* ===== 分类收藏夹 ===== */
.collections {
  padding: 40px 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: '';
  width: 4px;
  height: 24px;
  background: var(--accent-color);
  border-radius: 2px;
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.collection-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
  cursor: pointer;
}

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

.collection-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}

.collection-card:hover .collection-icon {
  background: var(--accent-color);
  color: var(--text-light);
}

.collection-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.collection-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ===== 书签卡片 ===== */
.bookmarks {
  padding: 40px 0;
  background: var(--bg-primary);
}

.bookmark-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bookmark-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.bookmark-card:hover {
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.bookmark-favicon {
  width: 48px;
  height: 48px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.bookmark-content {
  flex: 1;
  min-width: 0;
}

.bookmark-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bookmark-url {
  font-size: 0.875rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bookmark-meta {
  display: flex;
  gap: 12px;
  align-items: center;
}

.bookmark-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  padding: 4px 10px;
  background: var(--accent-light);
  color: var(--text-light);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
}

.tag-outline {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.bookmark-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ===== 文章列表 ===== */
.articles-section {
  padding: 40px 0;
  background: var(--bg-secondary);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-column {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.column-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--bg-secondary);
}

.column-icon {
  width: 32px;
  height: 32px;
  background: var(--accent-color);
  color: var(--text-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

.column-title {
  font-size: 1.1rem;
  font-weight: 600;
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-item {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  transition: background 0.2s;
}

.article-item:hover {
  background: var(--bg-secondary);
}

.article-thumb {
  width: 80px;
  height: 60px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.article-info {
  flex: 1;
  min-width: 0;
}

.article-title {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 20px 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

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

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

.breadcrumb-list .current {
  color: var(--text-primary);
  font-weight: 500;
}

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

/* ===== 分类页头部 ===== */
.category-header {
  padding: 40px 0;
  background: var(--bg-primary);
}

.category-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-stats {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.filter-tabs {
  display: flex;
  gap: 8px;
}

.filter-tab {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.filter-tab:hover {
  background: var(--border-color);
}

.filter-tab.active {
  background: var(--accent-color);
  color: var(--text-light);
}

/* ===== 标签云 ===== */
.tags-section {
  padding: 30px 0;
  background: var(--bg-secondary);
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-item {
  padding: 8px 16px;
  background: var(--bg-primary);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.tag-item:hover {
  background: var(--accent-color);
  color: var(--text-light);
}

.tag-count {
  margin-left: 4px;
  opacity: 0.7;
}

/* ===== 文章详情页 ===== */
.article-header {
  padding: 40px 0;
  background: var(--bg-primary);
}

.article-page-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.article-meta-bar span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-content-wrap {
  padding: 40px 0;
  background: var(--bg-secondary);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-primary);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-secondary);
}

.article-content h3 {
  font-size: 1.25rem;
  margin: 24px 0 12px;
}

.article-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

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

.article-content a {
  color: var(--accent-color);
  text-decoration: underline;
}

.article-content blockquote {
  border-left: 4px solid var(--accent-color);
  padding-left: 20px;
  margin: 24px 0;
  color: var(--text-secondary);
  font-style: italic;
}

/* ===== 详情卡片 ===== */
.detail-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.detail-row {
  display: flex;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.detail-label {
  width: 120px;
  font-weight: 500;
  color: var(--text-secondary);
}

.detail-value {
  flex: 1;
  color: var(--text-primary);
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 40px 0;
  background: var(--bg-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all 0.2s;
}

.related-card:hover {
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
}

.related-thumb {
  width: 100%;
  height: 120px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.related-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.related-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ===== 404 页面 ===== */
.error-page {
  min-height: calc(100vh - var(--header-height) - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}

.error-content {
  max-width: 500px;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 20px;
}

.error-title {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-desc {
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.error-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 40px 0 20px;
}

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

.footer-brand .logo {
  color: var(--text-light);
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: var(--accent-color);
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid #424242;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 768px) {
  .nav {
    display: none;
  }

  .search-box {
    display: none;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-cta {
    flex-direction: column;
  }

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

  .bookmark-card {
    flex-wrap: wrap;
  }

  .bookmark-meta {
    width: 100%;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .article-content {
    padding: 24px;
  }

  .error-code {
    font-size: 5rem;
  }
}

@media (max-width: 480px) {
  .collection-grid {
    grid-template-columns: 1fr;
  }

  .filter-tabs {
    flex-wrap: wrap;
  }

  .article-meta-bar {
    flex-wrap: wrap;
    gap: 12px;
  }
}