:root{--bg: #f7f8fa;--card: #ffffff;--ink: #1f2329;--muted: #6b7280;--line: #e5e7eb;--brand: #2563eb;--danger: #dc2626;--ok: #059669;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink)}.app{max-width:960px;margin:0 auto;padding:0 16px 48px}.topbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line)}.brand strong{font-size:20px;margin-right:8px}.brand span{color:var(--muted);font-size:13px}nav{display:flex;gap:6px;flex-wrap:wrap}nav a{padding:6px 12px;border-radius:6px;text-decoration:none;color:var(--muted);font-size:14px}nav a.active{background:var(--brand);color:#fff}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;margin-top:20px}.card h2{margin:0 0 4px;font-size:17px}.card p.hint{margin:0 0 16px;color:var(--muted);font-size:13px}label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}input,select,textarea{width:100%;padding:8px 10px;font-size:14px;border:1px solid var(--line);border-radius:6px;background:#fff}textarea{min-height:72px;font-family:inherit}button{margin-top:14px;padding:9px 16px;font-size:14px;cursor:pointer;border:none;border-radius:6px;background:var(--brand);color:#fff}button.secondary{background:#eef2ff;color:var(--brand)}button.danger{background:var(--danger)}button:disabled{opacity:.55;cursor:not-allowed}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}.row>*{flex:1 1 180px}table{width:100%;border-collapse:collapse;margin-top:14px;font-size:14px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600;font-size:12px}.notice{margin-top:14px;padding:10px 12px;border-radius:6px;font-size:14px}.notice.ok{background:#ecfdf5;color:var(--ok)}.notice.err{background:#fef2f2;color:var(--danger)}.notice.info{background:#eff6ff;color:var(--brand)}code{background:#f3f4f6;padding:1px 6px;border-radius:4px;font-size:13px;word-break:break-all}.badge{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;background:#f3f4f6;color:var(--muted)}.badge.ok{background:#ecfdf5;color:var(--ok)}.badge.warn{background:#fffbeb;color:#b45309}.footer{margin-top:40px;color:var(--muted);font-size:12px;text-align:center}