*{margin:0;padding:0;box-sizing:border-box;}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.6;color:#333;background:#f5f5f5;}body.ui-style-14{--primary-color:#0084FF;--secondary-color:#FF9500;--text-color:#333;--bg-color:#f5f5f5;}.container{max-width:1200px;margin:0 auto;padding:0 20px;}header{background:#fff;box-shadow:0 2px 4px rgba(0,0,0,0.1);position:sticky;top:0;z-index:1000;}nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 20px;max-width:1200px;margin:0 auto;}.logo{font-size:1.5rem;font-weight:bold;color:var(--primary-color);text-decoration:none;}.nav-menu{display:flex;list-style:none;gap:2rem;flex-wrap:nowrap;}.nav-menu a{color:#666;text-decoration:none;transition:color 0.3s;}.nav-menu a:hover{color:var(--primary-color);}.breadcrumb{padding:1rem 0;font-size:0.9rem;color:#666;}.breadcrumb a{color:var(--primary-color);text-decoration:none;}.breadcrumb a:hover{text-decoration:underline;}.breadcrumb span{margin:0 0.5rem;}main{padding:2rem 0;min-height:60vh;}h1{font-size:2rem;margin-bottom:1rem;color:var(--primary-color);}h2{font-size:1.5rem;margin:2rem 0 1rem;color:#444;}section{background:#fff;padding:2rem;margin-bottom:2rem;border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.05);}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:1.5rem;}.video-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:1.5rem;transition:transform 0.3s,box-shadow 0.3s;}.video-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px rgba(0,0,0,0.15);}.video-card h3{font-size:1.2rem;margin-bottom:0.5rem;color:#333;}.video-card h3 a{color:inherit;text-decoration:none;}.video-card h3 a:hover{color:var(--primary-color);}.video-meta{display:flex;flex-wrap:wrap;gap:0.5rem;margin:0.5rem 0;font-size:0.9rem;color:#666;}.video-meta span{padding:0.2rem 0.5rem;background:#f0f0f0;border-radius:4px;}.video-description{margin-top:0.8rem;font-size:0.95rem;color:#666;line-height:1.5;}.detail-header{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;padding:3rem 2rem;border-radius:8px;margin-bottom:2rem;}.detail-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin:1.5rem 0;}.info-item{padding:0.8rem;background:rgba(255,255,255,0.1);border-radius:4px;}.info-label{font-size:0.9rem;opacity:0.8;margin-bottom:0.3rem;}.info-value{font-size:1.1rem;font-weight:500;}.tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin:1rem 0;}.tag{padding:0.4rem 0.8rem;background:rgba(255,255,255,0.2);border-radius:20px;font-size:0.9rem;}.summary-section,.review-section{line-height:1.8;margin:2rem 0;}.related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;}.related-item{padding:1rem;background:#f9f9f9;border-radius:6px;border:1px solid #e0e0e0;}.related-item h4{margin-bottom:0.5rem;}.related-item a{color:var(--primary-color);text-decoration:none;font-weight:500;}footer{background:#333;color:#fff;text-align:center;padding:2rem;margin-top:3rem;}@media (max-width:768px){.nav-menu{flex:1;justify-content:space-between;gap:0;padding:0 0.5rem;}.nav-menu li{flex:1 1 0;min-width:0;}.nav-menu a{display:block;text-align:center;font-size:0.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0.2rem;}.video-grid{grid-template-columns:1fr;}.detail-info{grid-template-columns:1fr;}}