:root{--blue:#2563eb;--ink:#172033;--muted:#64748b;--line:#e2e8f0;--bg:#f5f7fb;--danger:#dc2626}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}.wrap{max-width:1080px;margin:42px auto;padding:0 18px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 10px 30px rgba(15,23,42,.05);margin-bottom:18px}.narrow{max-width:620px;margin-left:auto;margin-right:auto}h1{font-size:26px;margin:0 0 8px}h2{font-size:19px}.muted{color:var(--muted);line-height:1.7}.notice{padding:13px 15px;background:#eff6ff;border-left:4px solid var(--blue);border-radius:8px;line-height:1.7}.danger{color:var(--danger)}label{display:block;font-weight:600;margin:15px 0 6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit;background:#fff}textarea{min-height:90px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.btn{display:inline-block;border:0;border-radius:9px;padding:11px 18px;background:var(--blue);color:#fff;text-decoration:none;cursor:pointer;font-weight:600}.btn.secondary{background:#475569}.btn.danger{background:var(--danger);color:#fff}nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:11px 8px;vertical-align:top}.code{font-family:ui-monospace,monospace;font-size:16px;letter-spacing:1px}.badge{display:inline-block;padding:3px 8px;border-radius:99px;background:#e2e8f0}.ok{background:#dcfce7;color:#166534}@media(max-width:680px){.wrap{margin:18px auto}.card{padding:18px}.grid{grid-template-columns:1fr}table{display:block;overflow:auto}}