/* =============================================
   文章样式 - article.css
   功能：技术专栏/行业资讯详情页排版
   ============================================= */

/* 文章头部 */
.article-header {
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.4;
  font-weight: 700;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

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

.article-meta .tag {
  display: inline-block;
  padding: 3px 10px;
  background-color: rgba(255,107,107,0.1);
  color: var(--secondary);
  border-radius: 4px;
  font-size: 12px;
}

/* 文章正文 */
.article-body {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-dark);
}

.article-body h2 {
  font-size: 22px;
  color: var(--primary);
  margin: 36px 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-color);
  font-weight: 600;
}

.article-body h3 {
  font-size: 18px;
  color: var(--text-dark);
  margin: 28px 0 14px;
  font-weight: 600;
}

.article-body p {
  margin-bottom: 18px;
  text-align: justify;
}

.article-body ul,
.article-body ol {
  margin-bottom: 18px;
  padding-left: 24px;
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

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

.article-body strong {
  color: var(--primary);
  font-weight: 600;
}

.article-body a {
  color: var(--secondary);
  text-decoration: none;
}

.article-body a:hover {
  text-decoration: underline;
}

.article-body blockquote {
  margin: 20px 0;
  padding: 16px 20px;
  background-color: var(--page-bg);
  border-left: 4px solid var(--secondary);
  font-size: 14px;
  color: var(--text-muted);
}

.article-body code {
  background-color: #f0f0f5;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 14px;
  color: #c44569;
}

.article-body pre {
  background-color: var(--dark-bg);
  color: var(--text-white);
  padding: 20px;
  border-radius: 6px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 14px;
  line-height: 1.6;
}

.article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}

.article-body th,
.article-body td {
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  text-align: left;
}

.article-body th {
  background-color: var(--primary);
  color: var(--text-white);
  font-weight: 500;
}

.article-body tr:nth-child(even) {
  background-color: var(--page-bg);
}

/* 文章底部 */
.article-footer {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

.article-tags {
  margin-bottom: 24px;
}

.article-tags span {
  font-size: 14px;
  color: var(--text-muted);
  margin-right: 8px;
}

.article-tags a {
  display: inline-block;
  padding: 5px 14px;
  background-color: rgba(255,107,107,0.1);
  color: var(--secondary);
  border-radius: 4px;
  font-size: 13px;
  margin-right: 8px;
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

.article-tags a:hover {
  background-color: var(--secondary);
  color: var(--text-white);
}

/* 相关文章 */
.related-articles {
  margin-top: 30px;
}

.related-articles h4 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--secondary);
}

.related-articles ul li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.related-articles ul li a {
  color: var(--text-dark);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.related-articles ul li a:hover {
  color: var(--secondary);
}

.related-articles ul li .r-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* 上下篇导航 */
.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  gap: 20px;
}

.article-nav a {
  flex: 1;
  padding: 16px 20px;
  background-color: var(--card-bg);
  border-radius: 6px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.article-nav a:hover {
  border-color: var(--secondary);
}

.article-nav .nav-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.article-nav .nav-title {
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-nav a:hover .nav-title {
  color: var(--secondary);
}

/* 平板端 */
@media screen and (max-width: 1023px) {
  .article-header h1 {
    font-size: 24px;
  }
  
  .article-body h2 {
    font-size: 20px;
  }
  
  .article-body h3 {
    font-size: 17px;
  }
}

/* 手机端 */
@media screen and (max-width: 767px) {
  .article-header h1 {
    font-size: 20px;
  }
  
  .article-body h2 {
    font-size: 18px;
  }
  
  .article-body h3 {
    font-size: 16px;
  }
  
  .article-body {
    font-size: 15px;
  }
  
  .article-nav {
    flex-direction: column;
  }
  
  .article-meta {
    gap: 10px;
  }
}