body.ui-style-2 {
  --primary-color: #d32f2f;
  --secondary-color: #c62828;
  --bg-color: #f5f5f5;
  --card-bg: #fff;
  --text-color: #333;
  --border-color: #e0e0e0;
}

.hero { text-align: center; padding: 60px 20px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; border-radius: 12px; margin-bottom: 40px; }
.hero h1 { font-size: 2.5em; margin-bottom: 15px; font-weight: 700; }
.hero .subtitle { font-size: 1.1em; opacity: 0.9; }

section { margin-bottom: 50px; }
section h2 { font-size: 1.8em; margin-bottom: 20px; color: var(--primary-color); border-bottom: 3px solid var(--primary-color); padding-bottom: 10px; }

.site-intro { background: var(--card-bg); padding: 30px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); line-height: 1.8; }

.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
.video-card { background: var(--card-bg); padding: 20px; 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(-5px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.video-card h3 { font-size: 1.3em; margin-bottom: 10px; }
.video-card h3 a { color: var(--text-color); text-decoration: none; }
.video-card h3 a:hover { color: var(--primary-color); }
.video-card .meta { color: #666; font-size: 0.9em; margin-bottom: 8px; }
.video-card .oneline { color: #555; line-height: 1.6; }

.links-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.link-card { display: block; background: var(--card-bg); padding: 25px; border-radius: 8px; text-decoration: none; color: var(--text-color); box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: all 0.3s; border-left: 4px solid var(--primary-color); }
.link-card:hover { transform: translateX(5px); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.link-card h3 { font-size: 1.3em; margin-bottom: 10px; color: var(--primary-color); }
.link-card p { color: #666; line-height: 1.6; }

.video-list { list-style: none; background: var(--card-bg); padding: 20px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.video-list li { padding: 12px 0; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.video-list li:last-child { border-bottom: none; }
.video-list li a { text-decoration: none; color: var(--text-color); font-weight: 500; }
.video-list li a:hover { color: var(--primary-color); }
.video-list .meta { color: #999; font-size: 0.85em; }

.list-header { text-align: center; padding: 40px 20px; background: var(--card-bg); border-radius: 8px; margin-bottom: 30px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.list-header h1 { font-size: 2.2em; color: var(--primary-color); margin-bottom: 15px; }
.list-header p { font-size: 1.05em; color: #666; line-height: 1.8; max-width: 900px; margin: 0 auto; }

.list-content { display: flex; flex-direction: column; gap: 20px; }
.list-item { background: var(--card-bg); padding: 25px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); position: relative; transition: box-shadow 0.3s; }
.list-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.12); }
.list-item .rank { position: absolute; top: 20px; left: 20px; background: var(--primary-color); color: #fff; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 1.2em; }
.card-top .list-item { padding-left: 80px; }
.list-item h3 { font-size: 1.4em; margin-bottom: 10px; }
.list-item h3 a { color: var(--text-color); text-decoration: none; }
.list-item h3 a:hover { color: var(--primary-color); }
.list-item .meta { color: #666; margin-bottom: 10px; font-size: 0.95em; }
.list-item .tags { color: #888; font-size: 0.9em; margin-bottom: 10px; }
.list-item .summary { color: #555; line-height: 1.7; }
.list-item .date { display: inline-block; margin-top: 10px; padding: 4px 12px; background: #f0f0f0; border-radius: 4px; font-size: 0.85em; color: #666; }

.detail { background: var(--card-bg); padding: 40px; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.detail-header { text-align: center; padding-bottom: 30px; border-bottom: 2px solid var(--border-color); margin-bottom: 30px; }
.detail-header h1 { font-size: 2.5em; color: var(--primary-color); margin-bottom: 15px; }
.detail-header .oneline { font-size: 1.2em; color: #666; font-style: italic; }

.detail section { margin-bottom: 40px; }
.detail section h2 { font-size: 1.6em; margin-bottom: 20px; color: var(--secondary-color); border-left: 4px solid var(--primary-color); padding-left: 15px; border-bottom: none; }

.detail-info dl { display: grid; grid-template-columns: 120px 1fr; gap: 15px; line-height: 1.8; }
.detail-info dt { font-weight: bold; color: #666; }
.detail-info dd { color: var(--text-color); }

.detail-summary p, .detail-review p { line-height: 2; color: #444; font-size: 1.05em; text-align: justify; }

.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.related-card { background: #f9f9f9; padding: 20px; border-radius: 8px; transition: all 0.3s; border: 1px solid var(--border-color); }
.related-card:hover { background: #fff; box-shadow: 0 4px 12px rgba(0,0,0,0.1); transform: translateY(-3px); }
.related-card h3 { font-size: 1.15em; margin-bottom: 8px; }
.related-card h3 a { color: var(--text-color); text-decoration: none; }
.related-card h3 a:hover { color: var(--primary-color); }
.related-card .meta { color: #999; font-size: 0.85em; margin-bottom: 8px; }
.related-card .oneline { color: #666; font-size: 0.9em; line-height: 1.6; }

@media (max-width: 768px) {
  .hero h1 { font-size: 1.8em; }
  .video-grid { grid-template-columns: 1fr; }
  .links-grid { grid-template-columns: 1fr; }
  .detail { padding: 20px; }
  .detail-header h1 { font-size: 1.8em; }
  .detail-info dl { grid-template-columns: 100px 1fr; gap: 10px; }
  .related-grid { grid-template-columns: 1fr; }
}