*{margin:0;padding:0;box-sizing:border-box;}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#fff;color:#333;line-height:1.6;}a{color:#ff9800;text-decoration:none;transition:opacity 0.2s;}a:hover{opacity:0.8;}header{background:#fff;border-bottom:1px solid rgba(0,0,0,0.1);padding:1rem 0;position:sticky;top:0;z-index:100;}.container{max-width:1200px;margin:0 auto;padding:0 1rem;}.logo{font-size:1.5rem;font-weight:bold;color:#ff9800;margin-bottom:0.5rem;display:inline-block;}nav ul{list-style:none;display:flex;flex-wrap:nowrap;gap:1.5rem;justify-content:flex-start;align-items:center;}nav a{color:#333;font-weight:500;white-space:nowrap;}.breadcrumb{padding:1rem 0;font-size:0.9rem;color:#666;}.breadcrumb a{color:#666;}.breadcrumb span{margin:0 0.5rem;}main{min-height:60vh;padding:2rem 0;}h1{font-size:2rem;margin-bottom:1rem;color:#ff9800;}h2{font-size:1.5rem;margin:2rem 0 1rem;}h3{font-size:1.25rem;margin:1.5rem 0 0.75rem;}section{margin-bottom:3rem;}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin:1.5rem 0;}.card{border:1px solid rgba(0,0,0,0.1);border-radius:8px;padding:1.25rem;transition:transform 0.2s,box-shadow 0.2s;}.card:hover{transform:translateY(-4px);box-shadow:0 4px 12px rgba(0,0,0,0.1);}.card-title{font-size:1.1rem;font-weight:bold;margin-bottom:0.5rem;color:#333;}.card-meta{font-size:0.85rem;color:#666;margin-bottom:0.5rem;}.card-desc{font-size:0.9rem;line-height:1.5;color:#555;margin:0.5rem 0;}.card-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:0.75rem;}.tag{display:inline-block;padding:0.25rem 0.5rem;background:rgba(0,0,0,0.05);border-radius:4px;font-size:0.8rem;color:#666;}.detail-header{margin-bottom:2rem;}.detail-meta{display:flex;flex-wrap:wrap;gap:1rem;margin:1rem 0;font-size:0.9rem;color:#666;}.detail-section{margin:2rem 0;}.detail-section h3{border-left:4px solid #ff9800;padding-left:0.75rem;}.related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;margin-top:1rem;}.related-item{padding:1rem;border:1px solid rgba(0,0,0,0.1);border-radius:6px;}footer{background:rgba(0,0,0,0.02);padding:2rem 0;text-align:center;color:#666;font-size:0.9rem;margin-top:4rem;}@media (max-width:768px){nav ul{justify-content:space-between;gap:0;}nav ul li{flex:1 1 0;min-width:0;text-align:center;}nav a{display:block;font-size:0.85rem;padding:0.25rem;overflow:hidden;text-overflow:ellipsis;}.cards{grid-template-columns:1fr;}h1{font-size:1.5rem;}}