:root{--bg:#fafafa;--card:#fff;--text:#222;--muted:#666;--border:#e5e5e5;--accent:#2563eb;--accent-hover:#1d4ed8;font-family:system-ui,-apple-system,Noto Sans TC,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.site{flex-direction:column;min-height:100vh;display:flex}.nav{background:var(--card);border-bottom:1px solid var(--border);z-index:10;justify-content:space-between;align-items:center;padding:12px 24px;display:flex;position:sticky;top:0}.brand{color:var(--text);font-size:20px;font-weight:800}.nav nav{gap:16px;display:flex}.nav nav a{color:var(--muted);font-weight:500}.nav nav a.active,.nav nav a[aria-current=page]{color:var(--text);font-weight:700}.container{flex:1;width:100%;max-width:960px;margin:0 auto;padding:32px 20px}.footer{text-align:center;color:var(--muted);border-top:1px solid var(--border);padding:24px;font-size:14px}.hero{padding:32px 0}.hero h1{margin:0 0 12px;font-size:40px}.muted{color:var(--muted)}.row{flex-wrap:wrap;align-items:center;gap:12px;margin:16px 0;display:flex}.btn{background:var(--accent);color:#fff;border:1px solid var(--accent);cursor:pointer;border-radius:8px;padding:8px 16px;display:inline-block}.btn:hover{background:var(--accent-hover);color:#fff;text-decoration:none}.btn.secondary{color:var(--text);border-color:var(--border);background:#fff}.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin:16px 0;display:grid}.card{background:var(--card);border:1px solid var(--border);color:inherit;border-radius:12px;padding:16px;display:block}.card:hover{border-color:var(--accent);text-decoration:none}.card h3{margin:0 0 8px}.list{flex-direction:column;gap:12px;margin-top:16px;display:flex}.article{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px}.excerpt{color:var(--muted);border-left:4px solid var(--border);padding-left:12px;font-size:18px}.markdown{line-height:1.7}.markdown pre{color:#eee;background:#111;border-radius:8px;padding:12px;overflow:auto}.markdown code{background:#eee;border-radius:4px;padding:2px 6px}.markdown pre code{background:0 0;padding:0}.badge{background:#fef3c7;border:1px solid #fcd34d;border-radius:999px;padding:2px 8px;font-size:12px}.form{flex-direction:column;gap:12px;max-width:640px;display:flex}.form label{flex-direction:column;gap:6px;font-weight:600;display:flex}.form input,.form textarea,.form select{border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:15px}.error{color:#dc2626}input{border:1px solid var(--border);border-radius:8px;min-width:240px;padding:8px 12px}