body {
  margin: 0;
  background: #f0f4f8;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #3a4150;
  line-height: 1.6;
}
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 20px;
}
.card {
  background: #fff;
  border-radius: 14px;
  padding: 40px;
  box-shadow: 0 8px 28px rgba(58,65,80,0.06);
}
h1 {
  font-size: 32px;
  color: #3d6a8a;
  margin: 0 0 8px;
  text-align: center;
}
.subtitle {
  color: #7a8a9a;
  font-size: 16px;
  margin: 0 0 40px;
  text-align: center;
}
.article-list {
  text-align: left;
  list-style: none;
  padding: 0;
  margin: 0;
}
.article-list li {
  border-bottom: 1px solid #eef2f6;
  padding: 16px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.article-list a {
  color: #4a7c9b;
  text-decoration: none;
  font-size: 18px;
  font-weight: 500;
  flex: 1;
}
.article-list a:hover {
  color: #3d6a8a;
}
.article-list .date {
  color: #9aabba;
  font-size: 14px;
  white-space: nowrap;
  margin-left: 16px;
}
.article-list .desc {
  color: #7a8a9a;
  font-size: 14px;
  margin: 4px 0 0;
}
.list-cover {
  width: 100%;
  border-radius: 6px;
  margin-bottom: 8px;
  display: block;
  aspect-ratio: 21/9;
  object-fit: cover;
}
.footer {
  margin-top: 40px;
  color: #9aabba;
  font-size: 14px;
  text-align: center;
}
.nav-bar {
  margin-bottom: 32px;
  font-size: 14px;
}
.nav-bar a {
  color: #4a7c9b;
  text-decoration: none;
}
.nav-bar a:hover {
  text-decoration: underline;
}

/* Article content styles */
.content h1 { font-size: 28px; color: #3d6a8a; margin: 0 0 8px; }
.content h2 { font-size: 22px; color: #4a7c9b; margin-top: 32px; }
.content h3 { font-size: 18px; color: #3a4150; margin-top: 24px; }
.content a { color: #4a7c9b; }
.content code {
  background: #f0f4f8;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}
.content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 16px 20px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 14px;
}
.content pre code {
  background: none;
  padding: 0;
  color: inherit;
}
.content blockquote {
  border-left: 4px solid #4a7c9b;
  margin: 16px 0;
  padding: 8px 16px;
  background: #e8f0f8;
  border-radius: 0 8px 8px 0;
  color: #4a6a7a;
}
.content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}
.content th, .content td {
  border: 1px solid #dde3ec;
  padding: 10px 14px;
  text-align: left;
}
.content th {
  background: #eef2f6;
  font-weight: 600;
}
.content img {
  max-width: 100%;
  border-radius: 8px;
}

.meta {
  color: #9aabba;
  font-size: 14px;
  margin: 8px 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eef2f6;
}

.tag-bar {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid #eef2f6;
  font-size: 14px;
  color: #7a8a9a;
}
.tag {
  display: inline-block;
  background: #e8f0f8;
  color: #4a7c9b;
  padding: 2px 10px;
  border-radius: 10px;
  margin: 0 4px;
  text-decoration: none;
  font-size: 13px;
}
.tag:hover {
  background: #4a7c9b;
  color: #fff;
}

.article-cover {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 24px;
  display: block;
}
.cover-wrap {
  margin: 0 -16px 8px;
}