/* ============================================================
   ARTICLES PAGE - Content-Focused Design
   使用 products.css 的 Hero 区域，独立的文章列表样式
============================================================ */

/* ============================================================
   ARTICLES SECTION
============================================================ */
.articles-page {
  background: var(--white);
  padding: 52px 0 80px;
}

.articles-container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 40px;
}

/* ============================================================
   FILTER BAR
============================================================ */
.articles-filter {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding-bottom: 18px;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--line);
  flex-wrap: wrap;
}

.filter-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.filter-tab {
  min-height: 38px;
  padding: 9px 22px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-3);
  background: transparent;
  border: none;
  transition: all 0.25s var(--ease);
  cursor: pointer;
  position: relative;
}

.filter-tab:hover {
  color: var(--c1);
  background: var(--red-soft);
}

.filter-tab.active {
  color: var(--c1);
  background: var(--red-soft);
}

.filter-tab.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 2px;
  background: var(--c1);
  border-radius: 2px;
}

.articles-count {
  padding-top: 8px;
  font-size: 0.9rem;
  color: var(--muted);
  white-space: nowrap;
}

.articles-count strong {
  color: var(--c1);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ============================================================
   ARTICLES LIST
============================================================ */
.articles-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.article-item {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  min-height: 150px;
  background: var(--white);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: all 0.35s var(--ease);
  cursor: pointer;
}

.article-item:hover {
  border-color: var(--c1);
  box-shadow: 0 8px 24px rgba(155, 12, 14, 0.12);
  transform: translateY(-4px);
}

/* Article thumbnail - 更小的图片 */
.article-thumb {
  width: 180px;
  height: 180px;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--sand);
  flex-shrink: 0;
}

.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.article-item:hover .article-thumb img {
  transform: scale(1.08);
}

/* Article body - 内容为主 */
.article-body {
  min-width: 0;
  padding: 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-body h3 {
  font-family: var(--f-body);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s var(--ease);
}

.article-item:hover .article-body h3 {
  color: var(--c1);
}

.article-body p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* ============================================================
   PAGINATION
============================================================ */
.articles-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 56px;
}

.page-btn {
  min-width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-3);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.page-btn:hover {
  border-color: var(--c1);
  color: var(--c1);
  transform: translateY(-2px);
}

.page-btn.active {
  background: var(--c1);
  border-color: var(--c1);
  color: #fff;
}

.page-btn.next {
  padding: 0 20px;
  gap: 6px;
}

.page-btn.next i {
  font-size: 1.1rem;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .articles-container {
    padding: 0 32px;
  }

  .articles-list {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .articles-page {
    padding: 40px 0 60px;
  }

  .articles-container {
    padding: 0 20px;
  }

  .articles-filter {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 18px;
    margin-bottom: 28px;
  }

  .filter-tabs {
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 8px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    scroll-snap-type: x proximity;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-tab {
    width: auto;
    flex: 0 0 auto;
    min-height: 36px;
    white-space: nowrap;
    padding: 8px 18px;
    font-size: 0.85rem;
    text-align: center;
    scroll-snap-align: start;
  }

  .filter-tab.active::after {
    bottom: 3px;
    width: 28px;
  }

  .articles-count {
    padding-top: 0;
  }

  .articles-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .article-item {
    flex-direction: column;
    min-height: 0;
    border-radius: 12px;
  }

  .article-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .article-body {
    padding: 12px;
  }

  .article-body h3 {
    font-size: 0.9rem;
    line-height: 1.35;
    margin-bottom: 8px;
  }

  .article-body p {
    font-size: 0.78rem;
    line-height: 1.55;
    -webkit-line-clamp: 2;
  }

}

@media (max-width: 480px) {
  .articles-container {
    padding: 0 16px;
  }

  .filter-tab {
    padding: 7px 8px;
    font-size: 0.8rem;
  }

  .article-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .article-body {
    padding: 10px;
  }

  .article-body h3 {
    font-size: 0.84rem;
    margin-bottom: 7px;
  }

  .article-body p {
    font-size: 0.74rem;
    -webkit-line-clamp: 2;
  }

  .articles-pagination {
    margin-top: 40px;
    gap: 6px;
  }

  .page-btn {
    min-width: 38px;
    height: 38px;
    font-size: 0.85rem;
  }
}