:root{color-scheme:light dark;--bg: #0b1020;--bg-elev: #121933;--card: #161e3d;--text: #eef2ff;--muted: #a7b0d4;--accent: #6ea8ff;--accent-2: #8b5cf6;--border: rgba(255, 255, 255, .08);--ok: #34d399;--danger: #f87171;--radius: 14px;--shadow: 0 10px 40px rgba(0, 0, 0, .35);--font: "Inter", "PingFang SC", "Noto Sans SC", system-ui, sans-serif}@media(prefers-color-scheme:light){:root{--bg: #f5f7ff;--bg-elev: #ffffff;--card: #ffffff;--text: #0f172a;--muted: #475569;--border: rgba(15, 23, 42, .08);--shadow: 0 10px 30px rgba(15, 23, 42, .08)}}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:var(--font);background:radial-gradient(1200px 600px at 20% -10%,rgba(110,168,255,.18),transparent),radial-gradient(900px 500px at 90% 0%,rgba(139,92,246,.16),transparent),var(--bg);color:var(--text);min-height:100%;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}main{width:min(1100px,calc(100% - 2rem));margin:0 auto;padding:1.5rem 0 4rem}.site-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--border)}.site-header .inner{width:min(1100px,calc(100% - 2rem));margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 0}.brand{font-weight:700;letter-spacing:.02em;color:var(--text)}.nav{display:flex;gap:1rem;flex-wrap:wrap}.nav a{color:var(--muted)}.nav a:hover{color:var(--text)}.hero{margin:2rem 0 1.5rem;padding:1.75rem;border:1px solid var(--border);border-radius:calc(var(--radius) + 4px);background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 12%,var(--card)),var(--card));box-shadow:var(--shadow)}.hero h1{margin:0 0 .5rem;font-size:clamp(1.6rem,3vw,2.2rem)}.hero p{margin:0 0 1rem;color:var(--muted)}.search-box{display:flex;gap:.5rem;flex-wrap:wrap}.search-box input{flex:1;min-width:220px;border:1px solid var(--border);background:var(--bg-elev);color:var(--text);border-radius:12px;padding:.85rem 1rem;font-size:1rem}.search-box input:focus{outline:2px solid var(--accent);outline-offset:1px}.search-box button,.btn{border:0;border-radius:12px;padding:.85rem 1.1rem;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:600;cursor:pointer}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}.chip{border:1px solid var(--border);background:var(--bg-elev);color:var(--muted);border-radius:999px;padding:.35rem .8rem;font-size:.9rem}.chip.active,.chip:hover{color:var(--text);border-color:var(--accent)}.grid{display:grid;gap:.85rem}.card{border:1px solid var(--border);background:var(--card);border-radius:var(--radius);padding:1rem 1.1rem}.card h2,.card h3{margin:0 0 .4rem;font-size:1.05rem}.muted{color:var(--muted)}.breadcrumb{color:var(--muted);font-size:.9rem;margin-bottom:1rem}.faq-answer{white-space:pre-wrap;font-size:1.05rem}.meta-row{display:flex;flex-wrap:wrap;gap:.75rem;color:var(--muted);font-size:.9rem;margin:1rem 0}.cite{border-left:3px solid var(--accent);padding:.5rem .85rem;background:color-mix(in srgb,var(--accent) 8%,transparent);border-radius:0 10px 10px 0;margin:.5rem 0}.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid var(--border);border-bottom-width:2px;border-radius:6px;padding:.1rem .4rem;font-size:.8rem;color:var(--muted)}.footer{width:min(1100px,calc(100% - 2rem));margin:2rem auto 3rem;color:var(--muted);font-size:.85rem;border-top:1px solid var(--border);padding-top:1rem}.cmdk{position:fixed;inset:0;background:#00000073;display:none;align-items:flex-start;justify-content:center;padding-top:12vh;z-index:50}.cmdk.open{display:flex}.cmdk-panel{width:min(680px,calc(100% - 1.5rem));background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.cmdk-panel input{width:100%;border:0;border-bottom:1px solid var(--border);background:transparent;color:var(--text);padding:1rem 1.1rem;font-size:1.05rem}.cmdk-panel input:focus{outline:none}.cmdk-list{max-height:360px;overflow:auto}.cmdk-item{display:block;padding:.75rem 1.1rem;color:var(--text);border-bottom:1px solid var(--border)}.cmdk-item[aria-selected=true],.cmdk-item:hover{background:color-mix(in srgb,var(--accent) 14%,transparent);text-decoration:none}.feedback{display:flex;gap:.5rem;align-items:center;margin-top:1.25rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}