.svc-wrapper{max-width:680px;margin:20px auto;padding:16px;border-radius:8px;border:1px solid #eee;background:#fff}
.svc-row{display:flex;flex-direction:column;margin-bottom:12px}
.svc-label{font-weight:600;margin-bottom:8px}
.svc-input,.svc-select{padding:8px;border:1px solid #ddd;border-radius:6px}
.svc-btn{padding:10px 14px;border-radius:8px;border:0;background:#074d42; color:#fff;cursor:pointer}
.svc-result{margin-top:12px;padding:12px;border-radius:6px;background:#f9f9f9}
.svc-value{font-size:1.2em;margin-bottom:6px}
.svc-explain{font-size:0.95em;color:#333}
.svc-error{color:#b00020}
.svc-hidden{display:none}