.nbgc4-widget{border:1px solid #e5e7eb;border-radius:16px;padding:20px;max-width:700px;margin:24px auto;font-family:system-ui}
.nbgc4-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.nbgc4-row label{font-weight:600;margin-bottom:6px;display:block}
.nbgc4-full{grid-column:1/3}
.nbgc4-row input,.nbgc4-row select{width:100%;padding:12px;border:1px solid #dadada;border-radius:10px;font-size:16px}
.nbgc4-suffix-wrap{position:relative}
.nbgc4-suffix{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:#777}
.nbgc4-actions{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.nbgc4-btn{padding:12px 16px;border:0;border-radius:10px;background:#2563eb;color:#fff;font-weight:600;cursor:pointer}
.nbgc4-btn.ghost{background:#eee;color:#000}
.nbgc4-result{margin-top:16px;padding:12px;border:1px dashed #ccc;border-radius:10px;background:#fafafa}
@media(max-width:600px){.nbgc4-grid{grid-template-columns:1fr}.nbgc4-full{grid-column:1/2}}