@charset "UTF-8";

/* ============================================
   Theme B: 现代杂志风格 (Modern Magazine)
   色彩体系：黑白灰 + 红色强调色
   ============================================ */

:root {
  --primary: #E11D48;
  --primary-light: #FEE2E2;
  --primary-dark: #BE123C;
  --secondary: #0F172A;
  --accent: #F97316;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-dark: #0F172A;
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-light: #FFFFFF;
  --border-color: #E2E8F0;
  --border-dark: #334155;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.25s ease;
  --font-display: 'Noto Serif SC', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 全局样式 */
* {
  box-sizing: border-box;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
  min-height: 100vh;
}

/* ============================================
   导航栏 - 杂志风黑色顶栏
   ============================================ */
.magazine-navbar {
  background: var(--bg-dark);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.magazine-navbar .navbar-top {
  border-bottom: 1px solid var(--border-dark);
  padding: 0.5rem 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.magazine-navbar .navbar-top a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.magazine-navbar .navbar-top a:hover {
  color: var(--primary);
}

.magazine-navbar .navbar-main {
  padding: 1rem 0;
}

.magazine-navbar .site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.magazine-navbar .site-name {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 2px;
}

.magazine-navbar .nav-menu {
  display: flex;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.magazine-navbar .nav-item {
  position: relative;
}

.magazine-navbar .nav-link {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
}

.magazine-navbar .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--primary);
  transform: translateX(-50%);
  transition: var(--transition);
}

.magazine-navbar .nav-link:hover,
.magazine-navbar .nav-link.active {
  color: var(--primary);
}

.magazine-navbar .nav-link:hover::after,
.magazine-navbar .nav-link.active::after {
  width: 100%;
}

.magazine-search-btn {
  background: var(--primary);
  color: var(--text-light);
  border: none;
  padding: 0.625rem 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.8125rem;
  transition: var(--transition);
}

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

/* 移动端菜单 */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* 移动端导航菜单 */
.mobile-nav-menu {
  display: none;
  background: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
}

.mobile-nav-menu.show {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 1rem;
}

.mobile-nav-item {
  margin-bottom: 0;
}

.mobile-nav-link {
  display: block;
  padding: 0.875rem 1rem;
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  border-bottom: 1px solid var(--border-dark);
  transition: var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary);
  background: rgba(225, 29, 72, 0.1);
}

@media (max-width: 991px) {
  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ============================================
   首页 Hero - 全宽轮播图
   ============================================ */
.hero-carousel {
  margin-bottom: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-slide {
  position: relative;
  overflow: hidden;
}

.hero-slide img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.carousel-item:hover .hero-slide img {
  transform: scale(1.03);
}

.hero-slide .hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4rem 3rem 2.5rem;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
}

.hero-slide .hero-category {
  display: inline-block;
  background: var(--primary);
  color: var(--text-light);
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.hero-slide .hero-title {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.3;
  margin: 0;
  max-width: 80%;
}

.hero-carousel .carousel-indicators {
  margin-bottom: 1.5rem;
}

.hero-carousel .carousel-indicators li {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin: 0 6px;
  background: rgba(255,255,255,0.4);
  border: none;
  transition: var(--transition);
}

.hero-carousel .carousel-indicators li.active {
  background: var(--primary);
  transform: scale(1.2);
}

.hero-carousel .carousel-control-prev,
.hero-carousel .carousel-control-next {
  width: 60px;
  opacity: 0;
  transition: var(--transition);
}

.hero-carousel:hover .carousel-control-prev,
.hero-carousel:hover .carousel-control-next {
  opacity: 1;
}

.hero-carousel .carousel-control-prev-icon,
.hero-carousel .carousel-control-next-icon {
  width: 44px;
  height: 44px;
  background-color: rgba(0,0,0,0.5);
  border-radius: 50%;
  background-size: 50%;
}

@media (max-width: 768px) {
  .hero-slide img {
    height: 320px;
  }

  .hero-slide .hero-title {
    font-size: 1.5rem;
    max-width: 100%;
  }

  .hero-slide .hero-overlay {
    padding: 3rem 1.5rem 1.5rem;
  }
}

/* ============================================
   Section 标题 - 杂志风格
   ============================================ */
.section-header {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  border-bottom: 3px solid var(--text-primary);
  padding-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--primary);
  margin-right: 1rem;
  transform: rotate(45deg);
}

.section-more {
  margin-left: auto;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
}

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

/* ============================================
   文章列表 - 杂志布局
   ============================================ */
.article-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.magazine-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.magazine-card:hover {
  background: var(--bg-secondary);
  margin: 0 -1rem;
  padding: 1.5rem 1rem;
}

.magazine-card-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16/10;
}

.magazine-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.magazine-card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.magazine-card-category {
  display: inline-block;
  background: var(--text-primary);
  color: var(--text-light);
  padding: 0.25rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.75rem;
  width: fit-content;
}

.magazine-card-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

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

.magazine-card-desc {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.magazine-card-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

@media (max-width: 768px) {
  .magazine-card {
    grid-template-columns: 1fr;
  }

  .magazine-card-image {
    aspect-ratio: 16/9;
  }
}

/* ============================================
   加载更多按钮
   ============================================ */
.load-more-btn {
  background: var(--text-primary);
  color: var(--text-light);
  border: none;
  padding: 1rem 3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  transition: var(--transition);
  cursor: pointer;
}

.load-more-btn:hover {
  background: var(--primary);
}

.load-more-btn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
}

/* ============================================
   侧边栏
   ============================================ */
.sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  margin-bottom: 2rem;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-title::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--primary);
  transform: rotate(45deg);
}

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

.hot-article-item:hover {
  background: var(--bg-secondary);
  margin: 0 -0.5rem;
  padding: 1rem 0.5rem;
}

.hot-rank {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-muted);
}

.hot-rank.top-1 { color: var(--primary); }
.hot-rank.top-2 { color: var(--accent); }
.hot-rank.top-3 { color: var(--text-primary); }

.hot-article-title {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.5;
  transition: var(--transition);
}

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

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

.tag-item {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

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

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

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

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

/* ============================================
   筛选栏
   ============================================ */
.filter-bar {
  background: var(--bg-secondary);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  border-left: 4px solid var(--text-primary);
}

.filter-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-secondary);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

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

/* ============================================
   分页
   ============================================ */
.pagination-wrapper {
  display: flex;
  justify-content: center;
  padding: 3rem 0;
}

.pagination {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.pagination .page-item .page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 0.75rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

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

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

/* ============================================
   文章详情页
   ============================================ */
.article-detail {
  max-width: 800px;
}

.article-detail-header {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.article-detail-category {
  display: inline-block;
  background: var(--primary);
  color: var(--text-light);
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.article-detail-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.article-detail-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.article-tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
}

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

.article-content {
  font-size: 1.125rem;
  line-height: 1.9;
  color: var(--text-primary);
}

.article-content img {
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}

.article-content h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* 文章投票 */
.article-vote {
  display: flex;
  justify-content: center;
  gap: 4rem;
  padding: 2.5rem 0;
  margin-top: 2rem;
  border-top: 3px solid var(--text-primary);
}

.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);
}

.vote-btn i {
  font-size: 2.5rem;
}

.vote-btn span {
  font-weight: 700;
  font-size: 1.125rem;
}

/* 上下篇导航 */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.article-nav-item {
  padding: 1.5rem;
  background: var(--bg-secondary);
  transition: var(--transition);
}

.article-nav-item:hover {
  background: var(--text-primary);
}

.article-nav-item:hover .nav-label,
.article-nav-item:hover .nav-title {
  color: var(--text-light);
}

.article-nav-item .nav-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.article-nav-item .nav-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition);
}

@media (max-width: 576px) {
  .article-nav {
    grid-template-columns: 1fr;
  }
}

/* 相关文章 */
.related-articles {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 3px solid var(--text-primary);
}

.related-articles-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

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

.related-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
}

.related-list a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

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

/* ============================================
   页脚
   ============================================ */
.magazine-footer {
  background: var(--bg-dark);
  color: var(--text-muted);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.footer-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  font-size: 0.8125rem;
}

.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.8125rem;
  text-align: center;
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-bottom a:hover {
  color: var(--primary);
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.375rem;
  }

  .article-detail-title {
    font-size: 1.75rem;
  }

  .hero-main .hero-title {
    font-size: 1.5rem;
  }

  .sidebar {
    position: static;
    margin-top: 3rem;
  }
}