body.ui-style-3 {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.main-content {
  padding: 40px 0;
  min-height: calc(100vh - 200px);
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 20px;
  line-height: 1.3;
}

.intro-text,
.page-intro {
  font-size: 16px;
  line-height: 1.8;
  color: #475569;
  margin-bottom: 30px;
}

.content-section {
  background: #fff;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.section-title {
  font-size: 24px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e2e8f0;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.video-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 20px;
  transition: all 0.3s ease;
}

.video-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  border-color: #2563eb;
}

.video-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.video-title a {
  color: #1e293b;
}

.video-title a:hover {
  color: #2563eb;
}

.video-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.meta-item {
  font-size: 13px;
  color: #64748b;
  background: #e2e8f0;
  padding: 3px 10px;
  border-radius: 4px;
}

.video-genre {
  font-size: 14px;
  color: #475569;
  margin-bottom: 8px;
}

.video-desc,
.list-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #64748b;
}

.rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px;
  background: #f8fafc;
  border-radius: 8px;
  transition: background 0.2s;
}

.rank-item:hover {
  background: #eff6ff;
}

.rank-num {
  font-size: 20px;
  font-weight: 700;
  color: #2563eb;
  min-width: 30px;
}

.rank-content {
  flex: 1;
}

.rank-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 5px;
}

.rank-title a {
  color: #1e293b;
}

.rank-meta {
  font-size: 13px;
  color: #64748b;
}

.video-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.list-item {
  padding: 15px;
  background: #f8fafc;
  border-left: 3px solid #2563eb;
  border-radius: 4px;
}

.list-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 5px;
}

.list-meta {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 8px;
}

.more-link {
  margin-top: 20px;
  text-align: center;
  font-size: 16px;
}

.more-link a {
  color: #2563eb;
  font-weight: 500;
}

.total-count {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 20px;
  padding: 10px 15px;
  background: #f1f5f9;
  border-radius: 6px;
  display: inline-block;
}

.rank-list-page {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.rank-item-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  transition: all 0.3s;
}

.rank-item-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border-color: #2563eb;
}

.rank-number {
  font-size: 28px;
  font-weight: 700;
  color: #2563eb;
  min-width: 40px;
  text-align: center;
}

.rank-info {
  flex: 1;
}

.rank-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #64748b;
  margin-top: 8px;
}

.topic-section {
  margin-bottom: 40px;
}

.topic-title {
  font-size: 22px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 15px;
  padding-left: 12px;
  border-left: 4px solid #2563eb;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 15px;
}

.topic-card {
  padding: 15px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  transition: all 0.2s;
}

.topic-card:hover {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.topic-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 5px;
}

.topic-card-title a {
  color: #1e293b;
}

.topic-card-meta {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 6px;
}

.topic-card-desc {
  font-size: 13px;
  line-height: 1.5;
  color: #64748b;
}

.latest-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.latest-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.latest-date {
  font-size: 14px;
  font-weight: 600;
  color: #2563eb;
  min-width: 100px;
}

.latest-content {
  flex: 1;
}

.latest-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 5px;
}

.latest-title a {
  color: #1e293b;
}

.latest-meta {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 8px;
}

.latest-summary {
  font-size: 14px;
  line-height: 1.6;
  color: #475569;
}

.detail-page {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.detail-title {
  font-size: 32px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 30px;
  line-height: 1.3;
}

.detail-info,
.detail-highlight,
.detail-summary,
.detail-review,
.detail-related {
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #e2e8f0;
}

.detail-related {
  border-bottom: none;
}

.section-heading {
  font-size: 22px;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 15px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.info-item {
  padding: 10px 15px;
  background: #f8fafc;
  border-radius: 6px;
  font-size: 15px;
}

.info-label {
  font-weight: 600;
  color: #475569;
}

.info-value {
  color: #1e293b;
}

.highlight-text {
  font-size: 18px;
  line-height: 1.8;
  color: #2563eb;
  font-weight: 500;
  padding: 15px 20px;
  background: #eff6ff;
  border-left: 4px solid #2563eb;
  border-radius: 4px;
}

.summary-text,
.review-text {
  font-size: 16px;
  line-height: 1.8;
  color: #475569;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.related-card {
  padding: 20px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  transition: all 0.3s;
}

.related-card:hover {
  background: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}

.related-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.related-title a {
  color: #1e293b;
}

.related-meta {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 8px;
}

.related-desc {
  font-size: 14px;
  line-height: 1.6;
  color: #64748b;
}

@media (max-width: 768px) {
  .page-title {
    font-size: 24px;
  }

  .detail-title {
    font-size: 24px;
  }

  .video-grid,
  .topic-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .detail-page {
    padding: 20px;
  }

  .content-section {
    padding: 20px;
  }

  .rank-item,
  .rank-item-card {
    flex-direction: column;
  }

  .latest-item {
    flex-direction: column;
  }

  .latest-date {
    min-width: auto;
  }
}

.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 50px 30px;
  border-radius: 12px;
  margin-bottom: 40px;
  text-align: center;
}

.hero-section .page-title {
  color: #fff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-section .intro-text {
  color: rgba(255,255,255,0.95);
  max-width: 900px;
  margin: 0 auto;
}