*:root{--fg:#1a1a1a;--muted:#666;--accent:#7c3aed;--border:#e5e5e5;--soft:#f7f8fa}
*{box-sizing:border-box}
body{font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;color:var(--fg);line-height:1.6;background:var(--soft)}
header{background:#fff;border-bottom:1px solid var(--border);padding:14px 20px;display:flex;align-items:center;gap:8px}
header a{color:var(--accent);text-decoration:none;font-weight:600;display:flex;align-items:center;gap:8px}
.brandmark{width:26px;height:26px;border-radius:7px}
main{max-width:900px;margin:0 auto;padding:24px 20px 60px;background:#fff}
h1{font-size:32px;line-height:1.2;letter-spacing:-.01em;margin:0 0 8px}
h2{font-size:20px;margin:28px 0 10px}
.lede{color:var(--muted);margin:0 0 24px}
.ad{background:#f0f1f3;border:1px dashed #ccc;color:#999;font-size:12px;text-align:center;padding:28px 10px;margin:24px 0;border-radius:8px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.grid a{display:block;border:1px solid var(--border);border-radius:10px;padding:14px;color:var(--fg);text-decoration:none;box-shadow:0 1px 3px rgba(15,23,42,.05);transition:box-shadow .15s ease,transform .15s ease,border-color .15s ease}
.grid a:hover{border-color:var(--accent);box-shadow:0 6px 16px rgba(124,58,237,.15);transform:translateY(-2px)}
.grid a b{color:var(--accent)}
.tag{display:inline-block;font-size:11px;color:var(--muted);border:1px solid var(--border);border-radius:20px;padding:1px 9px;margin-top:6px}
.card{border:1px solid var(--border);border-radius:12px;padding:20px;margin:12px 0;box-shadow:0 2px 8px rgba(15,23,42,.05)}
.card h3{margin:0 0 6px;font-size:18px}
.ext{display:inline-block;margin-top:12px;background:var(--accent);color:#fff;padding:9px 14px;border-radius:8px;text-decoration:none;font-size:14px}
.related{margin-top:28px;font-size:14px}
.related a{color:var(--accent);text-decoration:none;margin-right:14px}
footer{border-top:1px solid var(--border);padding:20px;color:var(--muted);font-size:13px;text-align:center}
.badge{display:inline-block;font-size:11px;font-weight:700;color:#7c3aed;background:#f5f3ff;border:1px solid #ede9fe;padding:2px 8px;border-radius:20px;margin-top:6px}