*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.8;color:#1a1a1a;background:#f5f5f5;-webkit-font-smoothing:antialiased}.header{background:#fff;border-bottom:1px solid #e0e0e0;position:-webkit-sticky;position:sticky;top:0;z-index:100}.header-inner{max-width:1120px!important;margin:0 auto!important;display:flex!important;justify-content:space-between!important;align-items:center!important;padding:16px 24px!important;width:100%!important;box-sizing:border-box!important}.logo{display:flex;align-items:center;gap:14px}.logo,.logo:hover{text-decoration:none}.logo-badge{width:52px;height:52px;background:linear-gradient(135deg,#d32f2f,#b71c1c);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;font-weight:700;font-family:PingFang SC,Microsoft YaHei,sans-serif;box-shadow:0 2px 8px rgba(211,47,47,.35);flex-shrink:0}.logo-text h1{font-size:1.6rem;font-weight:700;color:#1a1a1a;letter-spacing:-.3px;line-height:1.2}.logo-text p{font-size:.82rem;color:#666;margin-top:3px}.nav ul{list-style:none;display:flex;gap:28px;align-items:center}.nav a{text-decoration:none;color:#333;font-size:.95rem;font-weight:500;transition:color .2s;padding:8px 0}.nav a:hover{color:#d32f2f}.nav .btn-subscribe{background:#d32f2f;color:#fff;padding:9px 22px;border-radius:4px;font-weight:500;transition:background .2s}.nav .btn-subscribe:hover{background:#b71c1c;color:#fff}.main-layout{display:grid;grid-template-columns:300px 1fr;grid-gap:32px;gap:32px;max-width:1120px;margin:0 auto;padding:32px 24px 60px}.sidebar{background:#fff;border-radius:8px;padding:24px;height:-moz-fit-content;height:fit-content;position:-webkit-sticky;position:sticky;top:100px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.sidebar-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid #d32f2f}.sidebar-header h2{font-size:1rem;font-weight:600;color:#1a1a1a}.sidebar-header .badge{background:#ffebee;color:#d32f2f;font-size:.75rem;padding:2px 8px;border-radius:10px;font-weight:500}.sidebar-list{list-style:none}.sidebar-list li{margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid #f0f0f0}.sidebar-list li:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.sidebar-list a{text-decoration:none;color:#333;font-size:.92rem;line-height:1.6;transition:color .2s;display:block}.sidebar-list a:hover{color:#d32f2f}.sidebar-list .date{display:block;font-size:.8rem;color:#999;margin-top:8px}.content{background:#fff;border-radius:8px;padding:32px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.section-header{display:flex;align-items:center;gap:12px;margin-bottom:28px;padding-bottom:12px;border-bottom:2px solid #d32f2f}.section-header h2{font-size:1.2rem;font-weight:600;color:#1a1a1a}.section-header .line{flex:1 1;height:2px;background:linear-gradient(90deg,#d32f2f,transparent)}.featured-article{margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid #e0e0e0}.featured-article .featured-image{width:100%;height:280px;object-fit:cover;border-radius:8px;margin-bottom:20px;background:linear-gradient(135deg,#667eea,#764ba2)}.featured-article h2{font-size:1.55rem;font-weight:700;margin-bottom:12px;color:#1a1a1a;line-height:1.4}.featured-article h2 a{text-decoration:none;color:inherit;transition:color .2s}.featured-article h2 a:hover{color:#d32f2f}.featured-article .meta{color:#999;font-size:.85rem;margin-bottom:16px}.featured-article .excerpt{color:#444;line-height:1.9;font-size:1.05rem;margin-bottom:16px}.article-list{list-style:none!important}.article-item{padding:24px 0!important;border-bottom:1px solid #f0f0f0!important;display:flex!important;flex-direction:row!important;gap:20px!important;align-items:flex-start!important;width:100%!important}.article-item>*{flex-shrink:0!important}.article-item:last-child{border-bottom:none!important}.article-item .thumbnail{width:200px!important;height:120px!important;object-fit:cover!important;border-radius:6px!important;background:linear-gradient(135deg,#667eea,#764ba2)!important;flex-shrink:0!important;display:block!important}.article-item .article-content{flex:1 1!important;min-width:0!important;display:block!important;width:auto!important}.article-item h3{font-size:1.25rem;font-weight:600;margin-bottom:10px;color:#1a1a1a;line-height:1.4}.article-item h3 a{text-decoration:none;color:inherit;transition:color .2s}.article-item h3 a:hover{color:#d32f2f}.article-item .meta{color:#999;font-size:.85rem;margin-bottom:12px}.article-item .excerpt{color:#555;line-height:1.8;font-size:.98rem}.read-more{display:inline-block;margin-top:12px;color:#d32f2f;text-decoration:none;font-size:.9rem;font-weight:500;transition:opacity .2s}.read-more:hover{opacity:.8}.article-page{background:#f5f5f5;padding:40px 24px 60px;min-height:calc(100vh - 200px)}.article-detail{background:#fff;border-radius:8px;padding:48px 56px;margin:0 auto;max-width:800px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.article-title{font-size:2rem;font-weight:700;line-height:1.3;margin-bottom:16px;color:#1a1a1a;letter-spacing:-.3px}.article-meta{color:#999;font-size:.9rem;margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid #e0e0e0}.article-content{line-height:2;font-size:1.05rem;color:#222}.article-content h2{font-size:1.5rem;font-weight:600;margin-top:48px;margin-bottom:20px;color:#1a1a1a;padding-bottom:12px;border-bottom:2px solid #d32f2f}.article-content h3{font-size:1.2rem;font-weight:600;margin-top:36px;margin-bottom:16px;color:#1a1a1a}.article-content h4{font-size:1.05rem;font-weight:600;margin-top:28px;margin-bottom:12px;color:#1a1a1a}.article-content p{margin-bottom:24px;text-align:justify}.article-content strong{font-weight:600;color:#1a1a1a}.article-content ol,.article-content ul{margin-bottom:24px;padding-left:24px}.article-content li{margin-bottom:12px;line-height:1.9}.article-content blockquote{border-left:3px solid #d32f2f;margin:32px 0;color:#555;font-style:italic;background:#fafafa;padding:16px 20px;border-radius:0 4px 4px 0}.article-content code{background:#f5f5f5;padding:3px 8px;border-radius:4px;font-family:SF Mono,Monaco,Inconsolata,monospace;font-size:.9em;color:#d63384}.article-content pre{background:#1a1a1a;color:#f8f8f2;padding:24px;border-radius:8px;overflow-x:auto;margin:32px 0;font-size:.9rem;line-height:1.6}.article-content pre code{background:transparent;color:inherit;padding:0}.article-content table{width:100%;border-collapse:collapse;margin:32px 0;font-size:.95rem;overflow:hidden;border-radius:6px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.article-content table thead{background:#d32f2f;color:#fff}.article-content table thead th{padding:14px 16px;text-align:left;font-weight:600;font-size:.95rem}.article-content table tbody tr{border-bottom:1px solid #e0e0e0}.article-content table tbody tr:nth-child(2n){background:#fafafa}.article-content table tbody tr:hover{background:#f5f5f5}.article-content table tbody td{padding:14px 16px;color:#333;line-height:1.6}.article-content hr{border:none;height:1px;background:#e0e0e0;margin:40px 0}.article-content a{color:#d32f2f;text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}.article-content a:hover{border-bottom-color:#d32f2f}.footer{background:#fff;border-top:1px solid #e0e0e0;padding:48px 0;margin-top:40px}.footer-content{text-align:center;max-width:720px;margin:0 auto;padding:0 24px}.footer h3{font-size:1.1rem;font-weight:600;color:#1a1a1a;margin-bottom:16px}.footer p{color:#666;font-size:.95rem;line-height:2;margin-bottom:12px}.footer-bottom{margin-top:32px;padding-top:24px;border-top:1px solid #f0f0f0;color:#999;font-size:.85rem}.footer-bottom a{color:#d32f2f;text-decoration:none}.back-link{display:inline-block;margin-bottom:24px;color:#666;text-decoration:none;font-size:.9rem;transition:color .2s}.back-link:hover{color:#d32f2f}@media (max-width:900px){.main-layout{grid-template-columns:1fr}.sidebar{position:static}.header-inner{flex-direction:column;gap:16px}.nav ul{gap:16px;flex-wrap:wrap;justify-content:center}.article-detail{padding:32px 24px}.article-content table{font-size:.85rem}.article-content table tbody td,.article-content table thead th{padding:10px 12px}.featured-article .featured-image{height:200px}.article-item{grid-template-columns:1fr}.article-item .thumbnail{width:100%;height:160px}}.articles-page{background:#f5f5f5;padding:40px 24px 60px;min-height:calc(100vh - 200px)}.articles-container{max-width:1120px;margin:0 auto}.page-title{font-size:2rem;font-weight:700;color:#1a1a1a;margin-bottom:40px;padding-bottom:20px;border-bottom:2px solid #d32f2f}.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(500px,1fr));grid-gap:32px;gap:32px}.article-card{background:#fff;border-radius:8px;padding:32px;box-shadow:0 1px 3px rgba(0,0,0,.08);transition:transform .2s,box-shadow .2s;border:1px solid #e0e0e0}.article-card:hover{transform:translateY(-4px);box-shadow:0 8px 16px rgba(0,0,0,.12)}.article-card h2{font-size:1.4rem;font-weight:600;margin-bottom:12px;color:#1a1a1a;line-height:1.4}.article-card h2 a{text-decoration:none;color:inherit;transition:color .2s}.article-card h2 a:hover{color:#d32f2f}.article-card .article-meta{color:#999;font-size:.85rem;margin-bottom:16px}.article-card .article-excerpt{color:#444;line-height:1.9;font-size:.98rem;margin-bottom:20px}.article-card .read-more{display:inline-block;color:#d32f2f;text-decoration:none;font-size:.9rem;font-weight:500;border-bottom:1px solid transparent;transition:border-color .2s}.article-card .read-more:hover{border-bottom-color:#d32f2f}.no-articles{text-align:center;color:#666;padding:60px 20px;font-size:1.1rem}@media (max-width:768px){.articles-grid{grid-template-columns:1fr}.article-card{padding:24px}.article-card h2{font-size:1.2rem}}