/* ========================================
   电竞周边收藏 - 样式表
   www.ngshouban.cn
   ======================================== */

/* CSS 变量定义 */
:root {
  --accent-color: #ff5722;
  --accent-light: #ff8a65;
  --accent-dark: #e64a19;
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --bg-hover: #252535;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6a6a7a;
  --border-color: #2a2a3a;
  --success: #4caf50;
  --warning: #ff9800;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 8px 30px rgba(255, 87, 34, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

ul {
  list-style: none;
}

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

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

.section {
  padding: 40px 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

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

/* ========================================
   页头 Header
   ======================================== */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

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

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-color);
  border-radius: 1px;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  gap: 8px;
  width: 240px;
}

.search-box input {
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  width: 100%;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-icon {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ========================================
   Hero 区域
   ======================================== */
.hero {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-color);
  color: var(--text-primary);
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition);
}

.hero-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ========================================
   分类集合
   ======================================== */
.collections {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.collection-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}

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

.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);
}

.collection-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

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

/* ========================================
   收藏卡片
   ======================================== */
.bookmark-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bookmark-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.bookmark-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.bookmark-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: var(--bg-secondary);
}

.bookmark-content {
  padding: 16px;
}

.bookmark-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bookmark-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.bookmark-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

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

.tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  transition: var(--transition);
}

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

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

/* ========================================
   面包屑导航
   ======================================== */
.breadcrumb {
  background: var(--bg-secondary);
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

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

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

.breadcrumb-current {
  color: var(--text-primary);
}

/* ========================================
   页面头部
   ======================================== */
.page-header {
  background: var(--bg-secondary);
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.page-desc {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ========================================
   筛选器
   ======================================== */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

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

.filter-tab {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--accent-color);
  color: var(--text-primary);
  border-color: var(--accent-color);
}

.filter-result {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ========================================
   标签云
   ======================================== */
.tag-cloud {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 40px;
}

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

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-item {
  background: var(--bg-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.tag-count {
  color: var(--text-muted);
  margin-left: 4px;
}

.tag-item:hover .tag-count {
  color: var(--text-primary);
  opacity: 0.8;
}

/* ========================================
   文章详情页
   ======================================== */
.article-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 20px;
}

.article-header {
  margin-bottom: 32px;
}

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

.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

.article-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
  background: var(--bg-secondary);
}

.article-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-content p {
  margin-bottom: 20px;
}

.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 32px 0 16px;
}

.article-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content ul li {
  list-style-type: disc;
}

.article-content ol li {
  list-style-type: decimal;
}

.article-content strong {
  color: var(--text-primary);
}

.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-primary);
  font-style: italic;
}

/* ========================================
   信息卡片
   ======================================== */
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 24px 0;
}

.info-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.9375rem;
}

.info-label {
  color: var(--text-muted);
}

.info-value {
  color: var(--text-primary);
  font-weight: 500;
}

/* ========================================
   相关推荐
   ======================================== */
.related-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

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

/* ========================================
   文章列表
   ======================================== */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-list-item {
  display: flex;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: var(--transition);
}

.article-list-item:hover {
  border-color: var(--accent-color);
}

.article-list-image {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

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

.article-list-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-list-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

.article-list-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ========================================
   三栏内容区
   ======================================== */
.content-triple {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.content-col {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.col-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.col-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.col-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.col-item:hover {
  color: var(--accent-color);
}

.col-item::before {
  content: '•';
  color: var(--accent-color);
}

/* ========================================
   404 页面
   ======================================== */
.error-page {
  min-height: calc(100vh - 64px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

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

.error-code {
  font-size: 8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.error-desc {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition);
}

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

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

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

/* ========================================
   页脚 Footer
   ======================================== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0 24px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-title {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

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

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

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

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

@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 0;
    gap: 12px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 20px;
  }

  .search-box {
    width: 100%;
    order: 2;
  }

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

  .hero-desc {
    font-size: 1rem;
  }

  .collections {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .collection-card {
    padding: 16px;
  }

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

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

  .article-list-item {
    flex-direction: column;
  }

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

  .filter-bar {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

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

  .article-image {
    height: 240px;
  }

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

  .error-actions {
    flex-direction: column;
  }

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

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

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

  .section {
    padding: 24px 0;
  }

  .container {
    padding: 0 16px;
  }
}