/* ===== 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: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --text-primary: #ffffff;
  --text-secondary: #b8c5d6;
  --text-muted: #7a8ba3;
  --border-color: #2d4059;
  --success: #4caf50;
  --warning: #ff9800;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 30px rgba(255, 87, 34, 0.2);
  --radius: 12px;
  --radius-sm: 6px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

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

ul {
  list-style: none;
}

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

/* ===== 页头 ===== */
.header {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 700;
}

.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: 1.2rem;
}

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

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: var(--transition);
}

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

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border-radius: 25px;
  padding: 8px 16px;
  border: 1px solid var(--border-color);
}

.search-box input {
  background: none;
  border: none;
  color: var(--text-primary);
  outline: none;
  width: 180px;
  font-size: 0.9rem;
}

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

.search-box button {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
}

/* ===== Hero 区域 ===== */
.hero {
  padding: 60px 0;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 87, 34, 0.1) 0%, transparent 100%);
}

.hero h1 {
  font-size: 2.5rem;
  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 p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 30px;
}

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

/* ===== 按钮样式 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-dark));
  color: white;
  box-shadow: 0 4px 15px rgba(255, 87, 34, 0.3);
}

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

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

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

/* ===== 分类标签 ===== */
.section-title {
  font-size: 1.5rem;
  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;
}

.categories {
  padding: 40px 0;
}

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

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

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

.category-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 87, 34, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.8rem;
}

.category-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.category-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== 收藏卡片 ===== */
.bookmarks {
  padding: 40px 0;
}

.bookmark-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.bookmark-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.bookmark-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.bookmark-favicon {
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.bookmark-title {
  flex: 1;
}

.bookmark-title h3 {
  font-size: 1rem;
  margin-bottom: 4px;
  line-height: 1.4;
}

.bookmark-title .url {
  font-size: 0.8rem;
  color: var(--text-muted);
  word-break: break-all;
}

.bookmark-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.bookmark-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

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

.tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: rgba(255, 87, 34, 0.1);
  color: var(--accent-light);
  border-radius: 12px;
}

.bookmark-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== 文章列表 ===== */
.articles-section {
  padding: 40px 0;
  background: rgba(15, 52, 96, 0.3);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.article-column h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--accent-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.article-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.article-item:hover {
  border-color: var(--accent-color);
  transform: translateX(4px);
}

.article-item .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-color);
  border-radius: 50%;
  flex-shrink: 0;
}

.article-item span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

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

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

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

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

.breadcrumb .current {
  color: var(--accent-light);
}

/* ===== 页面标题区 ===== */
.page-header {
  padding: 40px 0;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 87, 34, 0.1) 0%, transparent 100%);
}

.page-header h1 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-secondary);
}

/* ===== 筛选标签 ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

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

/* ===== 标签云 ===== */
.tag-cloud {
  padding: 30px 0;
}

.tag-cloud h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
}

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

.tag-item {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

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

/* ===== 文章详情页 ===== */
.article-detail {
  padding: 40px 0;
}

.article-container {
  max-width: 800px;
  margin: 0 auto;
}

.article-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.article-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border-color);
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 30px 0 16px;
  color: var(--accent-light);
}

.article-content h3 {
  font-size: 1.2rem;
  margin: 24px 0 12px;
}

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

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

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

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

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

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

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

.article-content img {
  border-radius: var(--radius);
  margin: 20px 0;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 40px 0;
  background: rgba(15, 52, 96, 0.3);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

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

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

.related-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.related-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== 404 页面 ===== */
.error-page {
  min-height: 60vh;
  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;
  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: 20px;
}

.error-content h1 {
  font-size: 2rem;
  margin-bottom: 16px;
}

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

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0 20px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: 0.9rem;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}

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

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== 响应式设计 ===== */
@media (max-width: 992px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .header .container {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 20px;
    gap: 12px;
  }

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

  .search-box {
    order: 2;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

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

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

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

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

  .article-content {
    padding: 24px;
  }
}

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

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