.bndc-wrap{max-width:580px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:#1a1a1a}
.bndc-header{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.bndc-icon{font-size:34px;line-height:1}
.bndc-title{font-size:22px!important;font-weight:600!important;margin:0 0 3px!important;padding:0!important;border:none!important;color:#1a1a1a!important}
.bndc-sub{font-size:13px;color:#666;margin:0}
.bndc-tabs{display:flex;gap:8px;margin-bottom:18px}
.bndc-tab{flex:1;padding:10px 8px;font-size:13px;font-weight:500;border:1px solid #d8d8d8;border-radius:10px;background:#fff;color:#555;cursor:pointer;transition:background .13s;display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center}
.bndc-tab:hover:not(.act){background:#eff6ff}.bndc-tab.act{background:#dbeafe;color:#1D4ED8;border-color:#93c5fd}
.bndc-tab-sub{font-size:11px;font-weight:400;opacity:.7}
.bndc-panel{display:none}.bndc-panel.act{display:block}
.bndc-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:4px}
@media(max-width:440px){.bndc-grid{grid-template-columns:1fr}}
.bndc-lbl{display:block;font-size:13px;font-weight:500;color:#555;margin-bottom:5px}
.bndc-iw{position:relative}
.bndc-iw input{width:100%;box-sizing:border-box;padding:9px 38px 9px 26px;border:1px solid #d0d0d0;border-radius:8px;font-size:14px;color:#1a1a1a;background:#fff;outline:none;transition:border-color .15s;-moz-appearance:textfield}
.bndc-iw input::-webkit-inner-spin-button,.bndc-iw input::-webkit-outer-spin-button{-webkit-appearance:none}
.bndc-iw input:focus{border-color:#1D4ED8;box-shadow:0 0 0 3px rgba(29,78,216,.1)}
.bndc-pre{position:absolute;left:8px;top:50%;transform:translateY(-50%);font-size:13px;color:#999;pointer-events:none}
.bndc-suf{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-size:11px;color:#999;pointer-events:none}
.bndc-sel{width:100%;box-sizing:border-box;padding:9px 12px;border:1px solid #d0d0d0;border-radius:8px;font-size:13px;color:#1a1a1a;background:#fff;outline:none;cursor:pointer;font-family:inherit}
.bndc-result-card{background:linear-gradient(135deg,#1D4ED8,#1e3a8a);border-radius:12px;padding:18px 22px;color:#fff;margin-top:12px;animation:bndc-in .22s ease}
@keyframes bndc-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.bndc-res-main{font-size:42px;font-weight:700;font-family:monospace;text-align:center;margin-bottom:4px}
.bndc-res-sub{font-size:14px;opacity:.8;text-align:center;margin-bottom:10px}
.bndc-res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid rgba(255,255,255,.2);padding-top:10px}
.bndc-extra{text-align:center}
.bndc-extra-val{font-size:14px;font-weight:700;font-family:monospace}
.bndc-extra-lbl{font-size:11px;opacity:.65;margin-top:2px}
.bndc-status{font-size:12px;background:rgba(255,255,255,.15);border-radius:6px;padding:4px 10px;display:inline-block;margin-top:6px}
.bndc-disclaimer{font-size:11px;color:#bbb;text-align:center;margin-top:8px}