.aii-opcost{--aii-blue:#003366;--aii-blue-600:#336699;--aii-text:#333333;--aii-text-2:#666666;--aii-bg:#fff;--aii-border:#e5e7eb;font-family:Poppins,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Helvetica Neue","PingFang SC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--aii-text);background:#fff}
.aii-opcost .aii-wrap{border:1px solid var(--aii-border);border-radius:16px;padding:16px;background:#fff}
.aii-opcost h2{color:var(--aii-blue);font-size:1.5rem;margin:0 0 8px}
.aii-opcost .hr{height:1px;background:var(--aii-border);margin:8px 0}
.aii-opcost .aii-grid{display:grid;grid-template-columns:1fr;gap:16px}
.aii-opcost .stack{display:grid;gap:10px}
.aii-opcost .row{display:grid;grid-template-columns:220px 1fr;gap:10px;align-items:center}
.aii-opcost label{font-weight:600;color:var(--aii-text);line-height:1.2}
.aii-opcost input,.aii-opcost select{background:#FAFAFA;border:1px solid var(--aii-border);border-radius:12px;padding:10px;width:100%;min-height:44px;color:var(--aii-text)}
.aii-opcost .inline{display:flex;gap:10px;align-items:center}
.aii-opcost .muted{color:var(--aii-text-2);font-size:.9rem}
.aii-opcost .btn{padding:10px 18px;border-radius:50px;border:1px solid var(--aii-blue);background:var(--aii-blue);color:#fff;cursor:pointer;min-height:44px;display:inline-flex;align-items:center;justify-content:center;font-weight:600}
.aii-opcost .btn:hover{background:var(--aii-blue-600);border-color:var(--aii-blue-600)}
.aii-opcost .btn.outline{background:#fff;color:var(--aii-blue)}
.aii-opcost .tag{display:inline-block;border:1px solid var(--aii-border);border-radius:999px;padding:4px 10px;font-size:.85rem;color:var(--aii-text-2);background:#fff}
.aii-opcost .cards{display:grid;grid-template-columns:1fr;gap:12px;margin-top:12px}
.aii-opcost .card{border:1px solid var(--aii-border);border-radius:16px;background:#fafafa;padding:14px}
.aii-opcost .card h3{margin:0 0 8px;color:var(--aii-text);font-size:1.1rem}
.aii-opcost .kpi{display:flex;justify-content:space-between;align-items:center;border-top:1px dashed var(--aii-border);padding:8px 0}
.aii-opcost .kpi:first-child{border-top:none}
.aii-opcost .kpi .v{font-weight:700}
@media (max-width: 768px){
  .aii-opcost .row{grid-template-columns:1fr}
  .aii-opcost .inline{flex-wrap:wrap}
  .aii-opcost h2{font-size:1.25rem}
  .aii-opcost .aii-grid{gap:14px}
}
@media (min-width: 821px){
  .aii-opcost .aii-grid{grid-template-columns:1.15fr .85fr}
  .aii-opcost .cards{grid-template-columns:repeat(3,1fr)}
}