/* article.css - 文章详情排版（技术文库/新闻中心页加载） */

/* ===== 文章头部 ===== */
.article-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.article-title {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.4;
  font-weight: 600;
}

.article-meta {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--text-gray);
}

.article-meta span {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  align-items: center;
}

.article-meta svg {
  width: 16px;
  height: 16px;
  fill: var(--text-gray);
  margin-right: 4px;
}

@media screen and (max-width: 767px) {
  .article-title {
    font-size: 22px;
  }
}

/* ===== 文章正文 ===== */
.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-dark);
}

.article-body p {
  margin-bottom: 20px;
  text-align: justify;
}

.article-body h2 {
  font-size: 24px;
  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: 20px;
  color: var(--primary);
  margin: 28px 0 14px;
  font-weight: 600;
}

.article-body h4 {
  font-size: 17px;
  color: var(--primary);
  margin: 20px 0 10px;
  font-weight: 600;
}

.article-body ul,
.article-body ol {
  margin: 16px 0 20px;
  padding-left: 28px;
}

.article-body ul li {
  list-style: disc;
  margin-bottom: 10px;
  line-height: 1.8;
}

.article-body ol li {
  list-style: decimal;
  margin-bottom: 10px;
  line-height: 1.8;
}

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

.article-body a {
  color: var(--secondary);
  text-decoration: underline;
  word-break: break-all;
}

.article-body a:hover {
  color: #c1121f;
}

.article-body blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  background-color: rgba(27,58,75,0.05);
  border-left: 4px solid var(--secondary);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--text-gray);
}

.article-body code {
  background-color: rgba(27,58,75,0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: "Courier New", monospace;
  font-size: 14px;
  color: var(--secondary);
}

.article-body pre {
  background-color: var(--dark-bg);
  color: var(--text-white);
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 20px 0;
  font-family: "Courier New", monospace;
  font-size: 14px;
  line-height: 1.6;
}

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

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

.article-body th {
  background-color: var(--primary);
  color: var(--text-white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 500;
}

.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.article-body tr:nth-child(even) {
  background-color: rgba(27,58,75,0.03);
}

@media screen and (max-width: 767px) {
  .article-body {
    font-size: 15px;
    line-height: 1.8;
  }
  .article-body h2 {
    font-size: 20px;
    margin: 28px 0 14px;
  }
  .article-body h3 {
    font-size: 18px;
  }
  .article-body blockquote {
    padding: 16px 20px;
  }
}

/* ===== 文章标签 ===== */
.article-tags {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.article-tags-title {
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 500;
}

/* ===== 文章导航（上一篇/下一篇） ===== */
.article-nav {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 16px;
}

.article-nav-prev,
.article-nav-next {
  max-width: 48%;
}

.article-nav-next {
  text-align: right;
  margin-left: auto;
}

.article-nav-label {
  font-size: 13px;
  color: var(--text-gray);
  margin-bottom: 6px;
}

.article-nav-title {
  font-size: 15px;
  color: var(--primary);
  font-weight: 500;
}

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

@media screen and (max-width: 767px) {
  .article-nav-prev,
  .article-nav-next {
    max-width: 100%;
    width: 100%;
    text-align: left;
  }
  .article-nav-next {
    margin-left: 0;
    text-align: left;
  }
}

/* ===== 相关文章推荐 ===== */
.related-articles {
  margin-top: 40px;
  padding-top: 32px;
  border-top: 2px solid var(--border-color);
}

.related-title {
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 20px;
  font-weight: 600;
}

.related-list {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 0 -10px;
}

.related-item {
  width: 50%;
  padding: 0 10px;
  margin-bottom: 12px;
}

.related-item a {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-align: start;
  -webkit-align-items: flex-start;
  align-items: flex-start;
  padding: 12px;
  background: #fff;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  color: var(--text-dark);
  font-size: 14px;
}

.related-item a:hover {
  border-color: var(--secondary);
  box-shadow: 0 2px 8px rgba(230,57,70,0.1);
}

.related-item svg {
  width: 16px;
  height: 16px;
  fill: var(--secondary);
  margin-right: 8px;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  margin-top: 2px;
}

@media screen and (max-width: 767px) {
  .related-item {
    width: 100%;
  }
}