.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }
.main-content { min-height: calc(100vh - 200px); }
.page-title { font-size: 2rem; margin-bottom: 1rem; color: #2c3e50; text-align: center; }
.page-intro { margin-bottom: 2rem; line-height: 1.8; color: #666; text-align: center; max-width: 800px; margin-left: auto; margin-right: auto; }

.hero-section { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 3rem 0; margin-bottom: 2rem; }
.hero-section .page-title { color: white; }
.intro-text { max-width: 800px; margin: 0 auto; font-size: 1.05rem; line-height: 1.8; }

.section-title { font-size: 1.5rem; margin: 2rem 0 1rem; color: #2c3e50; border-left: 4px solid #667eea; padding-left: 1rem; }
.section-intro { margin-bottom: 1.5rem; color: #666; }
section { margin-bottom: 3rem; }

.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.video-card { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: transform 0.3s, box-shadow 0.3s; }
.video-card:hover { transform: translateY(-4px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.video-title { font-size: 1.1rem; margin-bottom: 0.5rem; }
.video-title a { color: #2c3e50; text-decoration: none; }
.video-title a:hover { color: #667eea; }
.video-meta { font-size: 0.9rem; color: #999; margin-bottom: 0.5rem; }
.video-desc { font-size: 0.95rem; color: #666; line-height: 1.6; }

.video-list { display: flex; flex-direction: column; gap: 0.75rem; }
.video-item { background: white; padding: 1rem 1.5rem; border-radius: 6px; display: flex; justify-content: space-between; align-items: center; }
.item-title { color: #2c3e50; text-decoration: none; font-size: 1.05rem; flex: 1; }
.item-title:hover { color: #667eea; }
.item-meta { color: #999; font-size: 0.9rem; white-space: nowrap; margin-left: 1rem; }

.link-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.link-card { background: white; padding: 2rem; border-radius: 8px; text-decoration: none; color: inherit; transition: all 0.3s; border: 2px solid transparent; }
.link-card:hover { border-color: #667eea; transform: translateY(-4px); }
.link-card h3 { color: #2c3e50; margin-bottom: 0.5rem; font-size: 1.3rem; }
.link-card p { color: #666; line-height: 1.6; }

.list-content { display: flex; flex-direction: column; gap: 1rem; }
.list-card { background: white; padding: 1.5rem; border-radius: 8px; display: flex; gap: 1rem; align-items: flex-start; }
.rank-num { font-size: 1.5rem; font-weight: bold; color: #667eea; min-width: 40px; }
.group-tag { background: #667eea; color: white; padding: 0.25rem 0.75rem; border-radius: 4px; font-size: 0.85rem; white-space: nowrap; }
.date-tag { background: #f0f0f0; color: #666; padding: 0.25rem 0.75rem; border-radius: 4px; font-size: 0.85rem; white-space: nowrap; }
.card-content { flex: 1; }
.card-title { font-size: 1.15rem; margin-bottom: 0.5rem; }
.card-title a { color: #2c3e50; text-decoration: none; }
.card-title a:hover { color: #667eea; }
.card-meta { font-size: 0.9rem; color: #999; margin-bottom: 0.5rem; }
.card-desc { color: #666; line-height: 1.6; }

.video-detail { background: white; padding: 2rem; border-radius: 8px; }
.detail-title { font-size: 2rem; margin-bottom: 2rem; color: #2c3e50; border-bottom: 2px solid #e0e0e0; padding-bottom: 1rem; }
.detail-info h2, .detail-oneline h2, .detail-summary h2, .detail-review h2, .detail-related h2 { font-size: 1.3rem; margin: 1.5rem 0 1rem; color: #2c3e50; }
.info-list { list-style: none; line-height: 2; }
.info-list li { padding: 0.5rem 0; border-bottom: 1px solid #f0f0f0; }
.oneline-text { background: #f8f9fa; padding: 1rem; border-left: 4px solid #667eea; font-size: 1.1rem; line-height: 1.8; color: #2c3e50; }
.summary-text, .review-text { line-height: 2; color: #444; text-align: justify; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; margin-top: 1rem; }
.related-card { background: #f8f9fa; padding: 1rem; border-radius: 6px; transition: background 0.3s; }
.related-card:hover { background: #e9ecef; }
.related-title { font-size: 1rem; margin-bottom: 0.5rem; }
.related-title a { color: #2c3e50; text-decoration: none; }
.related-title a:hover { color: #667eea; }
.related-desc { font-size: 0.9rem; color: #666; line-height: 1.6; }

.site-footer { background: #2c3e50; color: white; padding: 2rem 0; margin-top: 3rem; text-align: center; }
.footer-content { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

@media (max-width: 768px) {
  .container { padding: 1rem; }
  .page-title { font-size: 1.5rem; }
  .hero-section { padding: 2rem 0; }
  .video-grid { grid-template-columns: 1fr; gap: 1rem; }
  .link-cards { grid-template-columns: 1fr; }
  .list-card { flex-direction: column; }
  .detail-title { font-size: 1.5rem; }
  .video-detail { padding: 1rem; }
}

.ui-style-0 body { --primary-color: #667eea; }
.ui-style-1 body { --primary-color: #f093fb; }
.ui-style-2 body { --primary-color: #4facfe; }
.ui-style-3 body { --primary-color: #43e97b; }
.ui-style-4 body { --primary-color: #fa709a; }
.ui-style-5 body { --primary-color: #30cfd0; }
.ui-style-6 body { --primary-color: #a8edea; }
.ui-style-7 body { --primary-color: #ff6a00; }
.ui-style-8 body { --primary-color: #ee0979; }
.ui-style-9 body { --primary-color: #7f7fd5; }
.ui-style-10 body { --primary-color: #86a8e7; }
.ui-style-11 body { --primary-color: #91eae4; }
.ui-style-12 body { --primary-color: #ff9a56; }
.ui-style-13 body { --primary-color: #ff6a88; }
.ui-style-14 body { --primary-color: #fcb045; }
.ui-style-15 body { --primary-color: #833ab4; }