:root{--bg:#ffffff;--surface:#f8f9fa;--surface-2:#f1f3f5;--ink:#111827;--muted:#6b7280;--quiet:#9ca3af;--faint:#d1d5db;--line:#e5e7eb;--accent:#2563eb;--accent-bg:#eff6ff;--success:#16a34a;--warning:#ca8a04;--danger:#dc2626;--mono:"SFMono-Regular",ui-monospace,Menlo,Monaco,Consolas,monospace;--sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--radius:8px;--radius-sm:5px}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{border:0;background:none;cursor:pointer}a{color:inherit;text-decoration:none}.app-root{display:grid;grid-template-rows:56px 1fr;min-height:100vh}.topnav{position:-webkit-sticky;position:sticky;top:0;z-index:100;gap:16px;padding:0 20px;background:var(--bg);border-bottom:1px solid 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rgba(124,58,237,.12);transform:translateY(-2px)}.res-card-banner{display:flex;align-items:center;gap:10px;padding:16px 18px 10px;border-bottom:1px solid rgba(139,92,246,.12);background:linear-gradient(135deg,rgba(139,92,246,.1),rgba(59,130,246,.08))}.res-card-icon{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,var(--res-a,#7c3aed),var(--res-b,#3b82f6));display:flex;align-items:center;justify-content:center;flex-shrink:0}.res-card-tag{font-size:11px;font-weight:700;color:#7c3aed;text-transform:uppercase;letter-spacing:.08em}.res-card-body{padding:16px 18px;flex:1 1;display:flex;flex-direction:column;gap:10px}.res-card-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.45}.res-card-desc{font-size:13px;color:var(--muted);line-height:1.6}.res-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}.res-tag{font-size:11px;font-weight:600;padding:3px 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rgba(0,0,0,.08)}.featured-green{background:#f0fdf4;border-color:#bbf7d0}.featured-blue{background:#eff6ff;border-color:#bfdbfe}.featured-purple{background:#faf5ff;border-color:#e9d5ff}.featured-card-head{display:flex;align-items:center;justify-content:space-between}.featured-cat{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.featured-star{color:var(--quiet);font-size:16px;line-height:1;padding:0}.featured-model-name{font-size:18px;font-weight:700;letter-spacing:-.01em;line-height:1.2}.featured-model-desc{font-size:12px;color:var(--muted);line-height:1.5}.featured-tags{display:flex;flex-wrap:wrap;gap:5px}.ftag{padding:2px 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1;display:flex;flex-direction:column;gap:6px}.home-article-title{font-size:13px;font-weight:700;line-height:1.4;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.home-article-meta{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--quiet);margin-top:auto}.article-page{max-width:780px}.article-header{margin-bottom:32px}.article-cat-badge{display:inline-block;padding:4px 14px;border-radius:20px;font-size:12px;font-weight:700;color:#fff;margin-bottom:14px}.article-title{font-size:28px;font-weight:800;line-height:1.35;color:var(--ink);margin-bottom:12px}.article-summary{font-size:15px;color:var(--muted);line-height:1.7;margin-bottom:16px}.article-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--quiet);margin-bottom:12px}.article-meta-sep{color:var(--faint)}.article-tags{display:flex;flex-wrap:wrap;gap:6px}.article-content{line-height:1.8;color:var(--ink)}.article-content 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th{background:var(--surface-2);font-weight:600;text-align:left}.md-table td,.md-table th{padding:8px 12px;border:1px solid var(--line)}.article-footer-nav{display:flex;align-items:center;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}.article-back{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--accent)}@media (max-width:768px){.blog-cards,.home-article-cards{grid-template-columns:1fr}.article-title{font-size:22px}}