:root{--bg:#f6f7f9;--card:#fff;--ink:#1f2430;--muted:#6b7280;--line:#e5e7eb;--acc:#0f62fe;--acc-ink:#fff;--ok:#16a34a;--warn:#d97706;--err:#dc2626}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,Segoe UI,Microsoft YaHei,sans-serif}a{color:var(--acc);text-decoration:none}.topbar{display:flex;align-items:center;gap:16px;background:#101828;color:#fff;padding:0 24px;height:52px}.topbar .brand{font-weight:700;letter-spacing:.5px}.topbar .brand span{color:#7cb0ff}.topbar .spacer{flex:1 1}.topbar .who{color:#cbd5e1;font-size:13px}.topbar button{background:transparent;color:#cbd5e1;border:1px solid #475569;border-radius:6px;padding:4px 12px;cursor:pointer}.wrap{max-width:1080px;margin:0 auto;padding:24px 20px 80px}h1{font-size:22px;margin:8px 0 20px}h2{font-size:16px;margin:28px 0 12px;border-left:4px solid var(--acc);padding-left:10px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px;margin:12px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px}.card .k{color:var(--muted);font-size:12px}.card .v{font-size:22px;font-weight:700;margin-top:4px}.card .v.small{font-size:15px}.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0}.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}input,select{border:1px solid var(--line);border-radius:6px;padding:7px 10px;font-size:13px;background:#fff;min-width:140px}input:focus,select:focus{outline:2px solid #bcd4ff;border-color:var(--acc)}button.btn{background:var(--acc);color:var(--acc-ink);border:none;border-radius:6px;padding:8px 16px;font-size:13px;cursor:pointer}button.btn:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:6px 12px;font-size:12px;cursor:pointer}table{border-collapse:collapse;width:100%;font-size:13px;margin-top:8px}td,th{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left;white-space:nowrap}th{color:var(--muted);font-weight:600;background:#fafbfc}tr:hover td{background:#f4f7ff}.tag{display:inline-block;border-radius:20px;padding:1px 10px;font-size:12px}.tag.ok{background:#e7f6ec;color:var(--ok)}.tag.warn{background:#fdf3e2;color:var(--warn)}.tag.err{background:#fdeaea;color:var(--err)}.tag.off{background:#eef0f3;color:var(--muted)}.msg{margin:10px 0;padding:8px 12px;border-radius:8px;font-size:13px}.msg.err{background:#fdeaea;color:var(--err)}.msg.ok{background:#e7f6ec;color:var(--ok)}.muted{color:var(--muted);font-size:12px}.login-bg{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f172a,#1e3a8a)}.login-card{background:#fff;border-radius:14px;padding:36px 40px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.35)}.login-card h1{font-size:20px;text-align:center;margin-bottom:4px}.login-card .sub{text-align:center;color:var(--muted);font-size:12px;margin-bottom:22px}.login-card input{width:100%;margin-bottom:12px}.login-card .btn{width:100%;padding:10px}