*{margin:0;padding:0;box-sizing:border-box;}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";line-height:1.6;background:#fff;color:#333;font-size:16px;}.container{max-width:1200px;margin:0 auto;padding:0 20px;}header{background:#fff;border-bottom:1px solid #e0e0e0;padding:15px 0;position:sticky;top:0;z-index:100;}.logo{font-size:24px;font-weight:bold;color:#dc2626;text-decoration:none;display:inline-block;margin-bottom:10px;}nav ul{list-style:none;display:flex;flex-wrap:nowrap;justify-content:space-between;align-items:center;gap:5px;}nav li{flex:1 1 0;min-width:0;}nav a{color:#333;text-decoration:none;font-size:14px;padding:8px 5px;display:block;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border-radius:4px;transition:all 0.2s;}nav a:hover{background:#dc2626;color:#fff;}.breadcrumb{padding:15px 0;font-size:14px;color:#666;}.breadcrumb a{color:#dc2626;text-decoration:none;}.breadcrumb a:hover{text-decoration:underline;}main{padding:30px 0;min-height:calc(100vh - 200px);}h1{font-size:28px;margin-bottom:20px;color:#1e3a8a;line-height:1.3;}h2{font-size:22px;margin:30px 0 15px;color:#1e3a8a;}h3{font-size:18px;margin:20px 0 10px;color:#444;}p{margin-bottom:15px;line-height:1.8;}.intro{background:#f5f5f5;padding:25px;border-radius:8px;margin-bottom:30px;border-left:4px solid #dc2626;}.section{margin-bottom:40px;}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px;}.card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:20px;transition:all 0.3s;}.card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,0.1);border-color:#dc2626;}.card-title{font-size:18px;font-weight:bold;margin-bottom:10px;color:#1e3a8a;}.card-title a{color:inherit;text-decoration:none;}.card-title a:hover{color:#dc2626;}.card-meta{font-size:13px;color:#666;margin-bottom:10px;}.card-desc{font-size:14px;color:#555;line-height:1.6;}.tags{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0;}.tag{display:inline-block;padding:4px 10px;background:#f0f0f0;color:#666;font-size:12px;border-radius:4px;}.detail-header{margin-bottom:30px;}.detail-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;background:#f9f9f9;padding:20px;border-radius:8px;margin:20px 0;}.meta-item{font-size:14px;}.meta-label{font-weight:bold;color:#666;margin-right:8px;}.detail-content{margin:30px 0;}.related{margin-top:40px;padding-top:30px;border-top:2px solid #e0e0e0;}.related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:15px;margin-top:20px;}.related-item{background:#f9f9f9;padding:15px;border-radius:6px;border:1px solid #e0e0e0;}.related-item h4{font-size:16px;margin-bottom:8px;}.related-item h4 a{color:#1e3a8a;text-decoration:none;}.related-item h4 a:hover{color:#dc2626;}.related-item p{font-size:13px;color:#666;margin:0;}footer{background:#f5f5f5;padding:20px 0;text-align:center;margin-top:50px;border-top:1px solid #e0e0e0;font-size:14px;color:#666;}.error-page{text-align:center;padding:60px 20px;}.error-page h1{font-size:48px;margin-bottom:20px;}.error-page p{font-size:18px;margin-bottom:30px;}.btn{display:inline-block;padding:12px 30px;background:#dc2626;color:#fff;text-decoration:none;border-radius:6px;font-size:16px;transition:all 0.3s;}.btn:hover{opacity:0.9;transform:translateY(-2px);}@media (max-width:768px){nav ul{gap:3px;}nav a{font-size:12px;padding:6px 3px;}.logo{font-size:20px;}h1{font-size:24px;}.card-grid{grid-template-columns:1fr;}.detail-meta{grid-template-columns:1fr;}.related-list{grid-template-columns:1fr;}}