/* ============================================================
   BLOG.CSS — Blog 模块
   包含：栏目页 / 详情页
   前缀：blog-
   依赖：common.css
   ============================================================ */

/* ============================================================
   BANNER
   ============================================================ */
.blog-banner {
  width: 100%;
  height: 380px;
  position: relative;
  overflow: hidden;
  background-color: #0F2E1A;
  background-image: url('/images/banner-news.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.4) 90%, rgba(0,0,0,0.4) 90%);
  z-index: 1;
}
.blog-banner-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
}
.blog-banner-content h1 {
  color: white;
  font-weight: 600;
  font-size: 3rem;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.blog-banner-content p {
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.3px;
  text-shadow: 0 1px 12px rgba(0,0,0,0.15);
}

/* ============================================================
   栏目页 — Tab + 新闻列表（一条一行）
   ============================================================ */
.blog-list-section { padding: 48px 0 80px; background: var(--gray-50); }

.blog-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
}
.blog-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 26px;
  border-radius: 60px;
  border: 1.5px solid var(--gray-300);
  background: white;
  color: var(--gray-700);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: 0.25s ease;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.2px;
  white-space: nowrap;
}
.blog-tab-btn i { font-size: 0.8rem; color: var(--gray-400); transition: 0.25s; }
.blog-tab-btn:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-light);
  transform: translateY(-2px);
}
.blog-tab-btn:hover i { color: var(--green); }
.blog-tab-btn.active {
  background: var(--green);
  border-color: var(--green);
  color: white;
  box-shadow: 0 6px 24px rgba(29,122,74,0.25);
}
.blog-tab-btn.active i { color: white; }

.blog-panel { display: none; animation: blogFadeUp 0.4s ease; }
.blog-panel.active { display: block; }
@keyframes blogFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.blog-news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 100%;
}

.blog-news-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  background: white;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: 0.25s ease;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  align-items: stretch;
  min-height: 200px;
}
.blog-news-item:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.blog-news-item .blog-news-img {
  position: relative;
  background: #E4EDE7;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 200px;
}
.blog-news-item .blog-news-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.blog-news-item:hover .blog-news-img img { transform: scale(1.04); }
.blog-news-item .blog-news-img .blog-fallback {
  font-size: 3rem;
  color: var(--green);
  opacity: 0.25;
}
.blog-news-item .blog-news-img .blog-date-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255,255,255,0.95);
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 30px;
  letter-spacing: 0.3px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  z-index: 2;
}

.blog-news-item .blog-news-body {
  padding: 28px 34px 28px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.blog-news-item .blog-news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 0.76rem;
  color: var(--gray-400);
}
.blog-news-item .blog-news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.blog-news-item .blog-news-meta i {
  font-size: 0.7rem;
  color: var(--green);
  opacity: 0.7;
}
.blog-news-item .blog-news-body h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 8px;
  line-height: 1.5;
  transition: color 0.2s;
}
.blog-news-item:hover .blog-news-body h3 { color: var(--green); }
.blog-news-item .blog-news-body p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 14px;
  max-width: 720px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-news-item .blog-news-body .blog-news-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s;
}
.blog-news-item:hover .blog-news-body .blog-news-link { gap: 12px; }
.blog-news-item .blog-news-body .blog-news-link i { font-size: 0.65rem; transition: 0.25s; }

/* 分页 */
.blog-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 56px;
}
.blog-pagination a,
.blog-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1.5px solid var(--gray-200);
  background: white;
  color: var(--gray-600);
  font-size: 0.85rem;
  font-weight: 500;
  transition: 0.2s;
  cursor: pointer;
}
.blog-pagination a:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-light);
}
.blog-pagination .active {
  background: var(--green);
  border-color: var(--green);
  color: white;
}
.blog-pagination .disabled { opacity: 0.4; cursor: not-allowed; }
.blog-pagination .disabled:hover {
  border-color: var(--gray-200);
  color: var(--gray-600);
  background: white;
}
.blog-pagination .dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  color: #999;
  user-select: none;
}

/* ============================================================
   详情页 — 面包屑
   ============================================================ */
.blog-breadcrumb-bar {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding: 18px 0;
}
.blog-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--gray-400);
  list-style: none;
}
.blog-breadcrumb li { display: flex; align-items: center; gap: 8px; }
.blog-breadcrumb li a { color: var(--gray-500); transition: 0.15s; }
.blog-breadcrumb li a:hover { color: var(--green); }
.blog-breadcrumb li i { font-size: 0.5rem; color: var(--gray-300); }
.blog-breadcrumb li.active { color: var(--green); font-weight: 500; }

/* ============================================================
   详情页 — 左右两栏
   ============================================================ */
.blog-detail-section { padding: 48px 0 72px; background: white; }

.blog-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 56px;
  align-items: start;
}

/* 左侧：文章 */
.blog-detail-main { min-width: 0; }

.blog-detail-header { margin-bottom: 28px; }
.blog-detail-header .blog-detail-category {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--green-light);
  color: var(--green);
  font-size: 0.76rem;
  font-weight: 500;
  padding: 5px 16px;
  border-radius: 40px;
  margin-bottom: 14px;
  letter-spacing: 0.3px;
  width: fit-content;
}
.blog-detail-header .blog-detail-category i { font-size: 0.68rem; }
.blog-detail-header h1 {
  font-size: 2rem;
  font-weight: 500;
  color: var(--gray-800);
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin-bottom: 16px;
}
.blog-detail-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 0.8rem;
  color: var(--gray-400);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--gray-200);
}
.blog-detail-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.blog-detail-meta i {
  font-size: 0.72rem;
  color: var(--green);
  opacity: 0.75;
}

.blog-detail-featured {
  width: 100%;
  height: 380px;
  border-radius: var(--radius);
  overflow: hidden;
  background: #E4EDE7;
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  margin-bottom: 36px;
}
.blog-detail-featured img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.blog-detail-featured .blog-fallback {
  font-size: 5rem;
  color: var(--green);
  opacity: 0.2;
}

.blog-detail-content {
  font-size: 0.98rem;
  color: var(--gray-600);
  line-height: 1.95;
}
.blog-detail-content p {
  font-size: 0.98rem;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 22px;
}
.blog-detail-content h2 {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gray-800);
  margin: 40px 0 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--green-light);
  letter-spacing: -0.01em;
}
.blog-detail-content h3 {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--gray-800);
  margin: 32px 0 14px;
}
.blog-detail-content ul { list-style: none; margin: 18px 0 24px; padding-left: 0; }
.blog-detail-content ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  font-size: 0.98rem;
  color: var(--gray-600);
  line-height: 1.9;
}
.blog-detail-content ul li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  opacity: 0.7;
}
.blog-detail-content blockquote {
  border-left: 4px solid var(--green);
  background: var(--green-light);
  padding: 20px 26px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  font-style: italic;
  color: var(--gray-700);
  font-size: 1rem;
  line-height: 1.85;
}
.blog-detail-content blockquote p { margin-bottom: 0; color: var(--gray-700); }

/* 标签 + 分享 */
.blog-detail-footer {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}
.blog-detail-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.blog-detail-tags .tag-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-500);
  margin-right: 4px;
}
.blog-detail-tags a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--gray-600);
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 30px;
  transition: 0.2s;
}
.blog-detail-tags a:hover {
  background: var(--green-light);
  color: var(--green);
  border-color: var(--green);
}
.blog-detail-tags a i { font-size: 0.65rem; color: var(--green); opacity: 0.7; }

.blog-detail-share { display: flex; align-items: center; gap: 8px; }
.blog-detail-share .share-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gray-500);
  margin-right: 4px;
}
.blog-detail-share a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-500);
  font-size: 0.85rem;
  transition: 0.2s;
  border: 1px solid var(--gray-200);
}
.blog-detail-share a:hover {
  background: var(--green);
  color: white;
  border-color: var(--green);
  transform: translateY(-2px);
}

/* 上下篇导航 */
.blog-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 44px;
}
.blog-post-nav a {
  display: flex;
  align-items: center;
  gap: 14px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 18px 20px;
  transition: 0.25s ease;
  text-decoration: none;
  color: inherit;
}
.blog-post-nav a:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.blog-post-nav .nav-arrow {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  transition: 0.25s;
}
.blog-post-nav a:hover .nav-arrow { background: var(--green); color: white; }
.blog-post-nav .nav-text { flex: 1; min-width: 0; }
.blog-post-nav .nav-label {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  margin-bottom: 3px;
}
.blog-post-nav .nav-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--gray-700);
  line-height: 1.4;
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-post-nav a:hover .nav-title { color: var(--green); }
.blog-post-nav .next { text-align: right; flex-direction: row-reverse; }
.blog-post-nav .next .nav-text { text-align: right; }

.blog-post-nav .disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* 右侧侧边栏 */
.blog-detail-sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.blog-sidebar-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.blog-sidebar-card .blog-sidebar-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--green-light);
  display: flex;
  align-items: center;
  gap: 9px;
}
.blog-sidebar-card .blog-sidebar-title i { font-size: 0.9rem; color: var(--green); }

.blog-category-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.blog-category-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 10px;
  background: white;
  border: 1px solid var(--gray-200);
  font-size: 0.88rem;
  color: var(--gray-600);
  font-weight: 450;
  transition: 0.2s;
}
.blog-category-list li a:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-light);
  transform: translateX(4px);
}
.blog-category-list li a .cat-name {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.blog-category-list li a .cat-name i {
  font-size: 0.8rem;
  color: var(--green);
  opacity: 0.8;
  width: 16px;
  text-align: center;
}
.blog-category-list li a .cat-count {
  font-size: 0.72rem;
  color: var(--gray-400);
  background: var(--gray-100);
  padding: 2px 9px;
  border-radius: 20px;
  font-weight: 500;
}
.blog-category-list li a:hover .cat-count { background: white; color: var(--green); }

.blog-sidebar-news { display: flex; flex-direction: column; gap: 16px; }
.blog-sidebar-news-item {
  display: flex;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
  transition: 0.2s;
}
.blog-sidebar-news-item:last-child { padding-bottom: 0; border-bottom: none; }
.blog-sidebar-news-item:hover .blog-sn-title { color: var(--green); }
.blog-sidebar-news-item .blog-sn-img {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 10px;
  overflow: hidden;
  background: #E4EDE7;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
}
.blog-sidebar-news-item .blog-sn-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.blog-sidebar-news-item:hover .blog-sn-img img { transform: scale(1.06); }
.blog-sidebar-news-item .blog-sn-img .blog-fallback {
  font-size: 1.6rem;
  color: var(--green);
  opacity: 0.25;
}
.blog-sidebar-news-item .blog-sn-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.blog-sidebar-news-item .blog-sn-date {
  font-size: 0.7rem;
  color: var(--gray-400);
  margin-bottom: 3px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.blog-sidebar-news-item .blog-sn-date i {
  font-size: 0.65rem;
  color: var(--green);
  opacity: 0.7;
}
.blog-sidebar-news-item .blog-sn-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
  line-height: 1.45;
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   BLOG 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .blog-news-item { grid-template-columns: 240px 1fr; }
  .blog-news-item .blog-news-body { padding: 24px 28px; }
  .blog-detail-layout { grid-template-columns: 1fr 300px; gap: 40px; }
  .blog-detail-featured { height: 340px; }
}

@media (max-width: 820px) {
  .blog-banner { height: 300px; }
  .blog-banner-content h1 { font-size: 2.4rem; }
  .blog-news-item { grid-template-columns: 200px 1fr; min-height: 180px; }
  .blog-news-item .blog-news-body h3 { font-size: 1.1rem; }
  .blog-news-item .blog-news-body { padding: 20px 22px; }
  .blog-detail-layout { grid-template-columns: 1fr; gap: 48px; }
  .blog-detail-header h1 { font-size: 1.8rem; }
  .blog-detail-featured { height: 300px; }
  .blog-detail-sidebar { position: static; }
  .blog-post-nav { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .blog-banner { height: 240px; background-position: 50% 30%; }
  .blog-banner-content h1 { font-size: 1.8rem; }
  .blog-banner-content p { font-size: 0.9rem; }

  .blog-list-section { padding: 36px 0 56px; }
  .blog-tabs { gap: 8px; margin-bottom: 32px; }
  .blog-tab-btn { padding: 8px 18px; font-size: 0.82rem; }
  .blog-tab-btn i { font-size: 0.75rem; }

  .blog-news-item { grid-template-columns: 1fr; min-height: auto; }
  .blog-news-item .blog-news-img { min-height: 200px; max-height: 220px; }
  .blog-news-item .blog-news-body { padding: 20px 20px 24px; }
  .blog-news-item .blog-news-body h3 { font-size: 1.1rem; }
  .blog-news-item .blog-news-body p { font-size: 0.86rem; }

  .blog-pagination { margin-top: 40px; }
  .blog-pagination a, .blog-pagination span { min-width: 36px; height: 36px; font-size: 0.8rem; }

  .blog-breadcrumb-bar { margin-top: 64px; padding: 14px 0; }
  .blog-detail-section { padding: 32px 0 48px; }
  .blog-detail-header h1 { font-size: 1.5rem; }
  .blog-detail-meta { gap: 14px; font-size: 0.76rem; }
  .blog-detail-featured { height: 220px; margin-bottom: 28px; }
  .blog-detail-content p,
  .blog-detail-content ul li { font-size: 0.92rem; }
  .blog-detail-content h2 { font-size: 1.3rem; margin: 32px 0 14px; }
  .blog-detail-content h3 { font-size: 1.1rem; margin: 26px 0 12px; }
  .blog-detail-content blockquote { padding: 16px 20px; font-size: 0.92rem; }
  .blog-detail-footer { flex-direction: column; align-items: flex-start; }
  .blog-detail-content img{max-width: 100%;}
  .blog-post-nav { margin-top: 36px; }
  .blog-sidebar-card { padding: 22px 20px; }
}

@media (max-width: 480px) {
  .blog-banner { height: 200px; background-position: 50% 25%; }
  .blog-banner-content h1 { font-size: 1.4rem; }
  .blog-banner-content p { font-size: 0.8rem; }
  .blog-tabs { flex-direction: column; align-items: stretch; gap: 8px; }
  .blog-tab-btn { justify-content: center; padding: 10px 16px; }
  .blog-news-item .blog-news-img { min-height: 170px; max-height: 190px; }
  .blog-news-item .blog-news-body h3 { font-size: 1rem; }

  .blog-detail-header h1 { font-size: 1.3rem; }
  .blog-detail-featured { height: 180px; }
  .blog-detail-content h2 { font-size: 1.15rem; }
  .blog-detail-content h3 { font-size: 1rem; }
  .blog-post-nav .nav-title { font-size: 0.85rem; }
  .blog-sidebar-news-item .blog-sn-img { width: 70px; height: 70px; }
}