/* ============================================================
   Blog Listing Page Styles
   ============================================================ */

/* ── 博客页布局 ─────────────────────────────────────────── */
.blog-layout {
  padding: 80px 0 60px;
}

/* ── 博客页头部 ─────────────────────────────────────────── */
.blog-header {
  background: linear-gradient(135deg, #F4F6F8 0%, #EDF2F7 100%);
  border-bottom: 1px solid var(--card-border);
  padding: 40px 0;
  margin-bottom: 36px;
}

.blog-header::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand) 0%, var(--red) 50%, var(--brand) 100%);
}

.blog-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}

.blog-header-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.blog-header-title {
  font-family: var(--font-zh);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 10px;
}

.blog-header-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

.blog-header-count {
  text-align: center;
  flex-shrink: 0;
}

.blog-count-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--brand);
  font-family: var(--font-en);
  line-height: 1;
}

.blog-count-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── 筛选标签 ─────────────────────────────────────────── */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.blog-filter {
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  color: var(--text-muted);
  transition: var(--t);
  font-family: var(--font-base);
}

.blog-filter:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.blog-filter.active {
  background: var(--brand);
  color: var(--white);
  border-color: var(--brand);
}

/* ── 博客文章卡片 ─────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.blog-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: var(--t);
}

.blog-card:hover {
  border-color: rgba(27, 79, 114, 0.25);
  box-shadow: var(--card-shadow-h);
  transform: translateY(-3px);
}

.blog-card-featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.blog-card-image {
  flex-shrink: 0;
}

.blog-card-featured .blog-card-image {
  width: 320px;
}

.blog-card:not(.blog-card-featured) .blog-card-image {
  width: 100%;
  height: 160px;
}

.blog-card-img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(27,79,114,0.05) 0%, rgba(27,79,114,0.08) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--card-border);
}

.blog-card:not(.blog-card-featured) .blog-card-img-placeholder {
  border-bottom: 1px solid var(--card-border);
  border-right: none;
}

.blog-card-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.blog-cat {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.blog-cat-blue {
  background: rgba(27, 79, 114, 0.08);
  color: var(--brand);
}

.blog-cat-red {
  background: rgba(217, 59, 59, 0.08);
  color: var(--red);
}

.blog-cat-gold {
  background: rgba(200, 136, 43, 0.1);
  color: #9A6B1A;
}

.blog-date {
  font-size: 0.75rem;
  color: var(--text-light);
}

.blog-card-title {
  font-family: var(--font-zh);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 10px;
}

.blog-card-featured .blog-card-title {
  font-size: 1.2rem;
}

.blog-card-excerpt {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
}

.blog-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.blog-readtime {
  font-size: 0.75rem;
  color: var(--text-light);
}

.blog-readlink {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--brand);
}

.blog-card:hover .blog-readlink {
  color: var(--red);
}

/* ── 响应式 ─────────────────────────────────────────── */
@media (max-width: 960px) {
  .blog-grid {
    grid-template-columns: 1fr 1fr;
  }
  .blog-card-featured {
    flex-direction: column;
  }
  .blog-card-featured .blog-card-image {
    width: 100%;
    height: 180px;
  }
}

@media (max-width: 600px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .blog-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .blog-layout {
    padding: 70px 0 40px;
  }
}

/* ── 新闻/文章卡片样式 ─────────────────────────────── */
.news-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-white, #fff);
  border: 1px solid var(--card-border, #E8D5C4);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  height: 100%;
  box-sizing: border-box;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(232, 119, 34, 0.15);
  border-color: var(--brand, #E87722);
}
.news-card-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  align-items: center;
}
.news-card-category {
  font-size: 0.78em;
  font-weight: 600;
  color: var(--brand, #E87722);
  background: rgba(232, 119, 34, 0.1);
  padding: 2px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.news-card-date {
  font-size: 0.8em;
  color: var(--text-muted, #888);
}
.news-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text, #333);
  margin: 0 0 10px;
  line-height: 1.5;
  font-family: 'Noto Serif SC', serif;
}
.news-card:hover .news-card-title {
  color: var(--brand, #E87722);
}
.news-card-excerpt {
  font-size: 0.88em;
  color: var(--text-muted, #666);
  line-height: 1.7;
  margin: 0 0 16px;
  flex: 1;
}
.news-card-cta {
  font-size: 0.82em;
  font-weight: 600;
  color: var(--brand, #E87722);
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ── 新闻网格布局 ───────────────────────────────── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 0;
}
@media (max-width: 640px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}