.container { max-width: 1200px; margin: 0 auto; padding: 20px; }
h1 { font-size: 28px; margin: 20px 0; color: #222; }
h2 { font-size: 22px; margin: 20px 0 10px; color: #333; }
h3 { font-size: 18px; margin: 10px 0; }
.hero { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; padding: 60px 20px; text-align: center; }
.hero h1 { color: #fff; font-size: 32px; }
.hero .intro { margin-top: 20px; font-size: 16px; line-height: 1.8; max-width: 800px; margin-left: auto; margin-right: auto; }
.hot-section, .list-nav, .recent-section, .list-page, .detail-page { padding: 40px 20px; }
.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; margin-top: 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; }
.video-card:hover { transform: translateY(-5px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.video-card h3 a { color: #333; font-weight: 600; }
.video-card h3 a:hover { color: #ff6b6b; }
.video-card .meta { color: #999; font-size: 14px; margin: 8px 0; }
.video-card .oneline { color: #666; font-size: 14px; line-height: 1.6; }
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; margin-top: 20px; }
.nav-card { background: #fff; padding: 30px; border-radius: 8px; text-align: center; box-shadow: 0 2px 8px rgba(0,0,0,0.1); transition: all 0.3s; }
.nav-card:hover { transform: translateY(-5px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); background: #ff6b6b; color: #fff; }
.nav-card h3 { margin-bottom: 10px; }
.video-list { margin-top: 20px; }
.list-item { background: #fff; padding: 15px 20px; margin-bottom: 10px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; transition: all 0.3s; }
.list-item:hover { background: #f8f8f8; }
.list-item a { display: flex; width: 100%; justify-content: space-between; align-items: center; }
.list-item h4 { font-size: 16px; color: #333; }
.list-item .year { color: #999; font-size: 14px; }
.video-list-full { margin-top: 20px; }
.list-item-full { background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); position: relative; transition: all 0.3s; }
.list-item-full:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.15); }
.list-item-full .rank { position: absolute; top: 20px; left: 20px; background: #ff6b6b; color: #fff; padding: 5px 10px; border-radius: 4px; font-weight: 600; }
.list-item-full .date { position: absolute; top: 20px; right: 20px; color: #999; font-size: 14px; }
.list-item-full .item-content { margin-left: 60px; }
.list-item-full h3 a { color: #333; font-size: 18px; font-weight: 600; }
.list-item-full h3 a:hover { color: #ff6b6b; }
.list-item-full .meta { color: #999; font-size: 14px; margin: 8px 0; }
.list-item-full .summary { color: #666; font-size: 14px; line-height: 1.6; margin-top: 10px; }
.detail-page { background: #fff; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.detail-info { background: #f8f8f8; padding: 20px; border-radius: 8px; margin: 20px 0; }
.detail-info p { margin: 8px 0; font-size: 15px; }
.detail-highlight, .detail-summary, .detail-review, .detail-related { margin: 30px 0; }
.detail-highlight h2, .detail-summary h2, .detail-review h2, .detail-related h2 { border-left: 4px solid #ff6b6b; padding-left: 15px; }
.detail-highlight p, .detail-summary p, .detail-review p { font-size: 15px; line-height: 1.8; color: #555; margin-top: 15px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; margin-top: 20px; }
.related-card { background: #f8f8f8; padding: 20px; border-radius: 8px; transition: all 0.3s; }
.related-card:hover { background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.related-card h3 a { color: #333; font-size: 16px; }
.related-card h3 a:hover { color: #ff6b6b; }
.related-card p { color: #666; font-size: 14px; margin-top: 8px; line-height: 1.6; }
footer { background: #333; color: #fff; text-align: center; padding: 30px 20px; margin-top: 40px; }
@media (max-width: 768px) {
  .hero h1 { font-size: 24px; }
  .video-grid { grid-template-columns: 1fr; }
  .link-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .list-item-full .item-content { margin-left: 0; margin-top: 35px; }
}