.series-banner-03 {
  background: url('../../public/images/course_covers/series03_banner.jpg') center/cover no-repeat;
  padding: 3rem 2rem;
  border-radius: 16px;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}
.series-banner-03::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.85) 0%, rgba(59, 130, 246, 0.85) 50%, rgba(139, 92, 246, 0.85) 100%);
}
.series-banner-03::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.series-banner-03 .series-banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
}
.series-banner-03 h1 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 1rem;
  font-weight: 700;
}
.series-banner-03 .series-desc {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 650px;
  margin: 0 auto 2rem;
}
.series-stats-03 {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.series-stats-03 .stat-item {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  border-radius: 10px;
  text-align: center;
}
.series-stats-03 .stat-number {
  display: block;
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
}
.series-stats-03 .stat-label {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}
.series-actions-03 {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.series-actions-03 .btn-primary {
  background: #fff;
  color: #10b981;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s;
}
.series-actions-03 .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}
.series-actions-03 .btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.series-actions-03 .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}
.article-card {
  background: #1a1a2e;
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  border: 1px solid rgba(16, 185, 129, 0.2);
}
.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}
.article-link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.article-link:hover .article-card-title {
  color: #6ee7b7;
}
.article-card-thumb {
  position: relative;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.article-card-thumb .thumb-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.thumb-bg.shop-guide {
  background-color: rgba(16, 185, 129, 0.3);
}
.thumb-bg.monetization {
  background-color: rgba(139, 92, 246, 0.3);
}
.article-card-thumb::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}
.article-card-thumb .card-icon {
  display: none;
}
.article-card-thumb .article-number {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(255, 255, 255, 0.9);
  color: #10b981;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  z-index: 2;
}
.article-card-thumb .article-source {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 500;
  z-index: 2;
  backdrop-filter: blur(6px);
}
.article-card-body {
  padding: 1.25rem;
}
.article-card-title {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-card-desc {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1.25rem 1.25rem;
}
.article-card-tags .tag {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
}
.article-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.article-card-meta .category {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
}
.article-card-meta .link-icon {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s;
}
.article-card:hover .article-card-meta .link-icon {
  color: #6ee7b7;
}
.article-card-meta .views-count {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
}
.article-card-meta .views-count i {
  margin-right: 4px;
}
.section-header-03 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.section-header-03 .title {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-header-03 .title i {
  color: #10b981;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: #6ee7b7;
}
.breadcrumb i {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.75rem;
}
.breadcrumb span {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 500;
}
.category-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.category-tab {
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}
.category-tab.active,
.category-tab:hover {
  background: rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}
@media (max-width: 768px) {
  .series-banner-03 h1 {
    font-size: 1.5rem;
  }
  .series-stats-03 {
    gap: 1rem;
  }
  .series-stats-03 .stat-item {
    padding: 0.75rem 1.5rem;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
}