*{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;}a{color:#0066cc;text-decoration:none;}a:hover{text-decoration:underline;}nav{background:#fff;border-bottom:1px solid #e0e0e0;padding:0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 4px rgba(0,0,0,0.1);}nav ul{list-style:none;display:flex;flex-wrap:nowrap;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0;}nav ul li{flex:1 1 0;min-width:0;text-align:center;}nav ul li a{display:block;padding:1rem 0.5rem;color:#333;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}nav ul li a:hover{background:#f0f0f0;text-decoration:none;}@media (max-width:767px){nav ul{flex-wrap:nowrap;overflow-x:visible;}nav ul li{flex:1 1 0;min-width:0;}nav ul li a{font-size:0.85rem;padding:0.8rem 0.3rem;}}.breadcrumb{padding:1rem 1.5rem;background:#fff;border-bottom:1px solid #e0e0e0;font-size:0.9rem;color:#666;}.breadcrumb a{color:#0066cc;margin:0 0.5rem;}.breadcrumb a:first-child{margin-left:0;}.breadcrumb span{margin:0 0.5rem;color:#999;}main{max-width:1200px;margin:0 auto;padding:2rem 1.5rem;}h1{font-size:2rem;margin-bottom:1.5rem;color:#222;font-weight:700;}h2{font-size:1.5rem;margin:2rem 0 1rem;color:#333;font-weight:600;}h3{font-size:1.25rem;margin:1.5rem 0 0.75rem;color:#444;}p{margin-bottom:1rem;line-height:1.8;}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin:2rem 0;}.card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 8px rgba(0,0,0,0.1);transition:transform 0.2s,box-shadow 0.2s;}.card:hover{transform:translateY(-4px);box-shadow:0 4px 16px rgba(0,0,0,0.15);}.card h3{margin:0 0 0.5rem;font-size:1.2rem;}.card .meta{font-size:0.85rem;color:#666;margin-bottom:0.5rem;}.card .desc{font-size:0.95rem;color:#555;line-height:1.6;}.card .tags{margin-top:0.75rem;display:flex;flex-wrap:wrap;gap:0.5rem;}.card .tag{background:#e8f4f8;color:#0066cc;padding:0.25rem 0.75rem;border-radius:12px;font-size:0.8rem;}section{margin:3rem 0;padding:2rem;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,0.1);}.detail-header{margin-bottom:2rem;}.detail-info{background:#fafafa;padding:1.5rem;border-radius:8px;margin:1.5rem 0;}.detail-info p{margin:0.5rem 0;}.btn{display:inline-block;padding:0.75rem 1.5rem;background:#0066cc;color:#fff;border-radius:4px;font-weight:500;transition:background 0.2s;}.btn:hover{background:#0052a3;text-decoration:none;}@media (max-width:768px){main{padding:1rem;}h1{font-size:1.5rem;}h2{font-size:1.25rem;}.card-grid{grid-template-columns:1fr;gap:1rem;}section{padding:1rem;}}ul,ol{margin-left:0;padding-left:0;list-style-position:inside;}ul li,ol li{margin-bottom:0.5rem;}