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

.page-title {
  font-size: 32px;
  color: #2c3e50;
  margin: 30px 0 20px;
  text-align: center;
  font-weight: 700;
}

.intro-section, .page-desc {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  margin-bottom: 30px;
  line-height: 1.8;
  font-size: 15px;
}

.section {
  margin-bottom: 50px;
}

.section-title {
  font-size: 26px;
  color: #2c3e50;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid #d9534f;
  font-weight: 600;
}

.section-desc {
  margin-bottom: 20px;
  font-size: 15px;
  color: #666;
}

.section-desc a {
  color: #d9534f;
  text-decoration: underline;
}

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

.video-card {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.video-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #2c3e50;
}

.video-card h3 a {
  color: #2c3e50;
}

.video-card h3 a:hover {
  color: #d9534f;
}

.video-card .meta {
  font-size: 13px;
  color: #999;
  margin-bottom: 12px;
}

.video-card .one-line {
  font-size: 14px;
  color: #666;
  margin-bottom: 12px;
  line-height: 1.6;
}

.video-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.video-card .tags span {
  background: #f0f0f0;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 12px;
  color: #666;
}

.video-card .rank {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #d9534f;
  color: #fff;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
}

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

.rank-preview {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.rank-item {
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #eee;
}

.rank-item:last-child {
  border-bottom: none;
}

.rank-item .num {
  width: 35px;
  height: 35px;
  background: #d9534f;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-right: 15px;
}

.rank-item a {
  flex: 1;
  font-size: 16px;
  color: #2c3e50;
}

.rank-item a:hover {
  color: #d9534f;
}

.rank-item .year {
  color: #999;
  font-size: 14px;
}

.more-link {
  text-align: center;
  margin-top: 25px;
}

.more-link a {
  color: #d9534f;
  font-size: 16px;
  font-weight: 500;
}

.more-link a:hover {
  text-decoration: underline;
}

.detail-page {
  background: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.detail-title {
  font-size: 36px;
  color: #2c3e50;
  margin-bottom: 25px;
  font-weight: 700;
}

.detail-meta {
  background: #f8f9fa;
  padding: 20px;
  border-radius: 6px;
  margin-bottom: 25px;
}

.meta-item {
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.8;
}

.meta-item .label {
  font-weight: 600;
  color: #666;
}

.meta-item .tag {
  background: #e9ecef;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 13px;
  margin-right: 6px;
  display: inline-block;
}

.one-line-box {
  background: #fff3cd;
  border-left: 4px solid #ffc107;
  padding: 15px 20px;
  margin-bottom: 25px;
  font-size: 16px;
  line-height: 1.6;
}

.detail-section {
  margin-bottom: 30px;
}

.detail-section h2 {
  font-size: 24px;
  color: #2c3e50;
  margin-bottom: 15px;
  font-weight: 600;
}

.detail-section p {
  font-size: 15px;
  line-height: 1.9;
  color: #555;
  text-align: justify;
}

.review-section {
  background: #f0f8ff;
  padding: 20px;
  border-radius: 6px;
}

.related-section {
  margin-top: 40px;
  padding-top: 30px;
  border-top: 2px solid #eee;
}

.related-section h2 {
  font-size: 24px;
  color: #2c3e50;
  margin-bottom: 20px;
  font-weight: 600;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.related-item {
  background: #f8f9fa;
  padding: 15px;
  border-radius: 6px;
  transition: background 0.3s;
}

.related-item:hover {
  background: #e9ecef;
}

.related-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.related-item h3 a {
  color: #2c3e50;
}

.related-item h3 a:hover {
  color: #d9534f;
}

.related-item p {
  font-size: 13px;
  color: #666;
  line-height: 1.5;
}

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

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

  .detail-page {
    padding: 20px;
  }

  .detail-title {
    font-size: 26px;
  }

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