:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-soft:#eff6ff;--bg:#f6f7f9;--surface:#fff;--border:#e5e7eb;--text:#1f2937;--text-muted:#6b7280;--danger:#dc2626;--success:#16a34a;--radius:10px;--shadow:0 1px 3px #0000000f;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Segoe UI,Microsoft YaHei,Inter,system-ui,sans-serif;font-size:14px;line-height:1.6}*{box-sizing:border-box}body{background:var(--bg);margin:0}h1,h2,h3,h4{margin:0;font-weight:600}input,textarea,select,button{color:inherit;font-family:inherit;font-size:14px}input[type=text],input[type=password],input[type=number],textarea,select{border:1px solid var(--border);background:var(--surface);border-radius:8px;outline:none;width:100%;padding:8px 10px;transition:border-color .15s}input:focus,textarea:focus,select:focus{border-color:var(--primary)}textarea{resize:vertical;line-height:1.6}.btn{border:1px solid var(--border);background:var(--surface);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;transition:all .15s;display:inline-flex}.btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}.btn-danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}.btn-sm{padding:4px 10px;font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.card+.card{margin-top:16px}.card-title{justify-content:space-between;align-items:center;margin-bottom:14px;font-size:15px;font-weight:600;display:flex}.field{margin-bottom:14px}.field label{color:var(--text-muted);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.field-hint{color:var(--text-muted);margin-top:4px;font-size:12px}.inline{align-items:center;gap:8px;display:flex}.muted{color:var(--text-muted)}.error{color:var(--danger);font-size:13px}.success{color:var(--success);font-size:13px}.empty{text-align:center;color:var(--text-muted);padding:24px 0;font-size:13px}.modal-mask{z-index:100;background:#11182773;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:12px;width:460px;max-height:86vh;padding:22px 24px;overflow-y:auto}.modal-title{margin-bottom:18px;font-size:16px;font-weight:600}.modal-actions{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}