.article-cover {
  width: 400px;
  height: 400px;
  max-width: 100%;
  margin: 0 auto 2rem;
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid #e5e7eb;
}

.article-cover__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #e5e7eb;
}

.article-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #111;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.article-header .meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: #6b7280;
  flex-wrap: wrap;
}

.article-header .article-summary {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #4b5563;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 3px solid #2563eb;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.article-body {
  font-size: 1rem;
  line-height: 1.85;
  color: #374151;
}

.article-body h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: #111;
}

.article-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
  color: #1f2937;
}

.article-body p {
  margin-bottom: 1.2rem;
}

.article-body img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 0.75rem;
  margin: 2rem auto;
  border: 1px solid #e5e7eb;
}

.article-body a {
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover {
  color: #1d4ed8;
}

.article-body blockquote {
  border-left: 4px solid #d1d5db;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  color: #6b7280;
  font-style: italic;
  background: #f9fafb;
  border-radius: 0 0.5rem 0.5rem 0;
}

.article-body code {
  background: #f3f4f6;
  padding: 0.2rem 0.5rem;
  border-radius: 0.3rem;
  font-size: 0.88em;
  color: #be185d;
  border: 1px solid #e5e7eb;
}

.article-body pre {
  background: #1f2937;
  border-radius: 0.75rem;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: none;
  padding: 0;
  color: #e5e7eb;
  border: none;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  overflow: hidden;
}

.article-body th,
.article-body td {
  padding: 0.75rem 1rem;
  border: 1px solid #e5e7eb;
  text-align: left;
}

.article-body th {
  background: #f9fafb;
  color: #111;
  font-weight: 600;
}

.article-body tr:nth-child(even) {
  background: #fafafa;
}

@media (max-width: 767.98px) {
  .article-header h1 {
    font-size: 1.5rem;
  }

  .article-cover {
    width: 100%;
    height: auto;
  }

  .article-cover__img {
    height: auto;
  }

  .article-container {
    padding: 2rem 0;
  }
}