html,
body {
  background: #e3eaf5 !important;
}
.container {
  display: flex;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  gap: 30px;
}

.main-content {
  flex: 1;
  padding: 20px;
  border-radius: 16px;
  width: 100%;
}

.sidebar {
  width: 300px;
  padding: 10px 0;
  margin-top: 150px;
  border-radius: 15px;
  background: white;
  height: fit-content;
}

.related-title {
  color: #3b5da4;
  font-size: 18px;
  padding: 0 10px 10px 10px;
  border-bottom: 2px solid #c5ccd8;
  margin: 0;
}

.article-title {
  font-size: 24px;
  margin-bottom: 20px;
  color: #3b5da4;
  text-align: center;
}
.article-subtitle {
  margin-bottom: 20px;
  padding-bottom: 20px;
  color: #616161;
  font-size: 18px;
  text-align: center;
}
.article-extend-box {
  padding-bottom: 20px;
  border-bottom: 1px solid #b0bed1;
  margin-bottom: 30px;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
}
.extend-item-box label {
  color: #999;
}
.extend-item-box span {
  color: #3b5da4;
}
.article-status {
  color: white;
  padding: 2px 4px;
  border-radius: 4px;
}
.article-status.valid {
  color: #3b5da4;
  background: none;
}
.article-status.invalid {
  color: white;
  background: #f56c6c;
}
.article-status.partInvalid {
  color: white;
  background: #909399;
}

.article-meta {
  color: #666;
  margin-bottom: 20px;
}

.article-content {
  line-height: 1.8;
  background: white;
  border-radius: 15px;
  padding: 20px;
  overflow: auto;
}

.article-content p {
  text-indent: 2em;
}

.related-articles {
  padding: 0 10px;
}

.related-article-item {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
}

.related-article-item:last-child {
  border-bottom: none;
}

.related-article-title {
  color: #595a5c;
  text-decoration: none;
}

.related-article-title:hover {
  color: #3b5da4;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 15px 0;
}

.tag {
  background: #f0f0f0;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  color: #666;
}

.tag-link {
  color: #3e7eff;
  cursor: pointer;
  text-decoration: none;
}

.video-container {
  margin: 20px 0;
  background: #f5f5f5;
  border-radius: 4px;
  overflow: hidden;
}

.video-container video {
  display: block;
  margin: 0 auto;
}