/* ========================================
   动漫周边 - Newsletter 风格样式表
   www.dongmandaidu.cn
   主题色: #ff6b6b (动漫红)
   ======================================== */

/* CSS 变量 */
:root {
  --accent-color: #ff6b6b;
  --accent-dark: #e55a5a;
  --accent-light: #ff8585;
  --text-primary: #333;
  --text-secondary: #666;
  --text-muted: #999;
  --bg-primary: #fff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #f0f0f0;
  --border-color: #e0e0e0;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --radius: 8px;
  --max-width: 680px;
  --header-height: 60px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

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

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

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

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

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo a {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent-color);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
}

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

/* ========================================
   导航 Nav
   ======================================== */
.site-nav {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-inner a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

/* ========================================
   主内容区 Main
   ======================================== */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px;
}

/* ========================================
   Newsletter 头部
   ======================================== */
.newsletter-header {
  text-align: center;
  padding: 40px 0;
  border-bottom: 2px solid var(--accent-color);
  margin-bottom: 40px;
}

.issue-badge {
  display: inline-block;
  background: var(--accent-color);
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.newsletter-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.newsletter-greeting {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

/* ========================================
   本期内容列表
   ======================================== */
.toc-section {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 40px;
}

.toc-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.toc-list {
  list-style: none;
}

.toc-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.toc-number {
  width: 24px;
  height: 24px;
  background: var(--accent-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
}

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

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

/* ========================================
   特色内容 Featured
   ======================================== */
.featured-section {
  margin-bottom: 48px;
}

.featured-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.featured-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: var(--bg-tertiary);
}

.featured-content {
  padding: 28px;
}

.featured-label {
  display: inline-block;
  background: var(--accent-color);
  color: #fff;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.featured-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.featured-title a {
  color: inherit;
}

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

.featured-excerpt {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-color);
}

.read-more:hover {
  gap: 10px;
}

/* ========================================
   内容列表 Story List
   ======================================== */
.stories-section {
  margin-bottom: 48px;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-color);
}

.story-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.story-card {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 20px;
  box-shadow: var(--shadow);
}

.story-image {
  width: 140px;
  height: 100px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
  background: var(--bg-tertiary);
}

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

.story-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.75rem;
}

.story-category {
  color: var(--accent-color);
  font-weight: 600;
}

.story-date {
  color: var(--text-muted);
}

.story-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.story-title a {
  color: inherit;
}

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

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

/* ========================================
   三栏推荐区
   ======================================== */
.recommend-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.recommend-column {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.recommend-column h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-color);
}

.recommend-list {
  list-style: none;
}

.recommend-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

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

.recommend-list a {
  font-size: 0.875rem;
  color: var(--text-primary);
  display: block;
  line-height: 1.5;
}

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

.recommend-list .meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ========================================
   面包屑 Breadcrumb
   ======================================== */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

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

.breadcrumb span {
  margin: 0 8px;
  color: var(--text-muted);
}

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

/* ========================================
   分类页 Category
   ======================================== */
.category-header {
  text-align: center;
  padding: 40px 0;
  border-bottom: 2px solid var(--accent-color);
  margin-bottom: 40px;
}

.category-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.category-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 16px;
}

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

/* 期刊列表 */
.issue-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.issue-item {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow);
}

.issue-date {
  text-align: center;
  min-width: 60px;
}

.issue-date .day {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
}

.issue-date .month {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.issue-content {
  flex: 1;
}

.issue-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.issue-content h3 a {
  color: var(--text-primary);
}

.issue-content h3 a:hover {
  color: var(--accent-color);
}

.issue-content p {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.issue-count {
  font-size: 0.875rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ========================================
   分页 Pagination
   ======================================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 40px 0;
}

.pagination a,
.pagination span {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
}

.pagination a {
  background: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: var(--shadow);
}

.pagination a:hover {
  background: var(--accent-color);
  color: #fff;
}

.pagination .current {
  background: var(--accent-color);
  color: #fff;
}

.pagination .disabled {
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ========================================
   文章页 Article
   ======================================== */
.article-header {
  text-align: center;
  padding: 40px 0;
  border-bottom: 2px solid var(--accent-color);
  margin-bottom: 40px;
}

.article-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.article-meta .category {
  color: var(--accent-color);
  font-weight: 500;
}

/* 文章内容 */
.article-content {
  background: var(--bg-primary);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: var(--shadow);
}

.article-content h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.article-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

.article-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.article-content img {
  width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
}

.article-content ul,
.article-content ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.article-content a {
  color: var(--accent-color);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content blockquote {
  border-left: 4px solid var(--accent-color);
  padding: 16px 20px;
  margin: 24px 0;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* 快速链接 */
.quick-links {
  background: var(--bg-tertiary);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 40px;
}

.quick-links h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.quick-links ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.quick-links li {
  margin: 0;
}

.quick-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-primary);
}

.quick-links a::before {
  content: "→";
  color: var(--accent-color);
  font-weight: 600;
}

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

/* ========================================
   404 页面
   ======================================== */
.error-page {
  text-align: center;
  padding: 80px 20px;
}

.error-code {
  font-size: 6rem;
  font-weight: 700;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.2s;
}

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

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

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

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

/* ========================================
   页脚 Footer
   ======================================== */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.subscribe-box {
  text-align: center;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 32px;
}

.subscribe-box h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.subscribe-box p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.subscribe-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  max-width: 400px;
  margin: 0 auto;
}

.subscribe-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.875rem;
  outline: none;
}

.subscribe-form input:focus {
  border-color: var(--accent-color);
}

.subscribe-form button {
  padding: 12px 24px;
  background: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.subscribe-form button:hover {
  background: var(--accent-dark);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

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

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

.footer-copyright {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .site-logo a {
    font-size: 1.125rem;
  }

  .logo-icon {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }

  .issue-info {
    display: none;
  }

  .nav-inner {
    padding: 10px 16px;
    gap: 16px;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .nav-inner a {
    white-space: nowrap;
  }

  .main-content {
    padding: 24px 16px;
  }

  .newsletter-header {
    padding: 28px 0;
    margin-bottom: 28px;
  }

  .newsletter-title {
    font-size: 1.375rem;
  }

  .toc-section {
    padding: 20px;
    margin-bottom: 28px;
  }

  .featured-content {
    padding: 20px;
  }

  .featured-title {
    font-size: 1.25rem;
  }

  .story-card {
    flex-direction: column;
    padding: 20px;
  }

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

  .recommend-section {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .recommend-column {
    padding: 16px;
  }

  .issue-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
  }

  .issue-date {
    display: flex;
    align-items: baseline;
    gap: 6px;
  }

  .issue-date .day {
    font-size: 1.25rem;
  }

  .pagination a,
  .pagination span {
    min-width: 36px;
    height: 36px;
    font-size: 0.875rem;
  }

  .article-header {
    padding: 28px 0;
    margin-bottom: 28px;
  }

  .article-title {
    font-size: 1.375rem;
  }

  .article-content {
    padding: 24px 20px;
  }

  .article-content h2 {
    font-size: 1.25rem;
  }

  .article-content h3 {
    font-size: 1.0625rem;
  }

  .quick-links ul {
    grid-template-columns: 1fr;
  }

  .error-code {
    font-size: 4rem;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form button {
    width: 100%;
  }

  .footer-links {
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .breadcrumb {
    padding: 16px;
    font-size: 0.8125rem;
  }

  .category-title,
  .newsletter-title,
  .article-title {
    font-size: 1.25rem;
  }

  .featured-title {
    font-size: 1.125rem;
  }

  .story-title {
    font-size: 1rem;
  }
}