/* 博客列表与阅读体验 */
.blog-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.blog-header {
  margin-bottom: 24px;
}

.blog-header h1 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-header p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 640px;
}

.blog-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.blog-stat {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.blog-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.blog-quick-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.blog-quick-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.blog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}

.blog-search {
  width: 100%;
}

.blog-search input {
  width: 100%;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-sans);
}

.blog-search input::placeholder {
  color: var(--text-muted);
}

.blog-search input:focus {
  outline: 2px solid color-mix(in srgb, var(--color-primary) 35%, transparent);
  border-color: var(--color-primary);
}

.blog-categories {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.blog-cat-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-category);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
}

.blog-cat-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.blog-cat-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.blog-featured {
  margin-bottom: 22px;
}

.blog-featured-label {
  margin: 0 0 10px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.blog-card-featured {
  border-color: color-mix(in srgb, var(--color-primary) 45%, var(--border-card));
  background: color-mix(in srgb, var(--color-primary-light) 35%, var(--bg-card));
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.blog-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.blog-card-category {
  padding: 2px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 11px;
}

.blog-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.blog-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.blog-card-external {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-tag);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.blog-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 15px;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
}

.blog-subscribe {
  margin-top: 36px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-card);
}

.blog-subscribe h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.blog-subscribe p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.blog-subscribe-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.blog-subscribe-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--bg-page);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.blog-subscribe-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

@media (max-width: 768px) {
  .blog-page {
    padding: 20px 16px 48px;
  }

  .blog-card {
    padding: 18px;
  }

  .blog-card-title {
    font-size: 16px;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}