.nb-tst{--nb-ink:#252525;--nb-accent:#ed5a32;--nb-soft:#fff5f1;--nb-border:#e7e7e7;color:var(--nb-ink);font-family:inherit;max-width:1180px;margin:0 auto}.nb-tst *{box-sizing:border-box}.nb-tst-hero{padding:28px 30px;margin-bottom:22px;border-radius:16px;background:linear-gradient(135deg,#242424,#393939);color:#fff}.nb-tst-eyebrow{font-size:12px;font-weight:800;letter-spacing:1.5px;color:#ff9b78}.nb-tst-hero h2{color:#fff;font-size:clamp(26px,4vw,38px);line-height:1.15;margin:9px 0}.nb-tst-hero p{margin:0;color:#eee}.nb-tst-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.nb-tst-card{border:1px solid var(--nb-border);border-radius:14px;padding:20px;background:#fff;box-shadow:0 5px 18px rgb(0 0 0 / .04);min-width:0}.nb-tst-card-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:17px}.nb-tst-icon{display:flex;align-items:center;justify-content:center;flex:0 0 42px;height:42px;border-radius:11px;background:var(--nb-soft);color:var(--nb-accent);font-weight:900;font-size:18px}.nb-tst-card h3{font-size:18px;line-height:1.3;margin:1px 0 5px;color:var(--nb-ink)}.nb-tst-card p{font-size:14px;line-height:1.5;margin:0;color:#666}.nb-tst-form label{display:block;font-weight:700;font-size:13px;margin:0 0 12px}.nb-tst-form input{display:block;width:100%;margin-top:7px;border:1px solid #d7d7d7;border-radius:8px;padding:12px;font:inherit;font-weight:400;min-height:44px;background:#fff;color:#222}.nb-tst-form input:focus{outline:2px solid rgb(237 90 50 / .22);border-color:var(--nb-accent)}.nb-tst-button{border:0;border-radius:8px;padding:12px 16px;background:var(--nb-accent);color:#fff;font-weight:800;cursor:pointer;min-height:44px}.nb-tst-button:hover{filter:brightness(.95)}.nb-tst-button:disabled{opacity:.65;cursor:wait}.nb-tst-result{margin-top:16px;padding:14px;border-radius:10px;background:#fafafa;border:1px solid #eee;overflow-wrap:anywhere}.nb-tst-result[hidden]{display:none}.nb-tst-status{font-weight:800;border-radius:7px;padding:10px 12px;margin-bottom:10px}.nb-tst-ok{background:#e8f7ed;color:#176c36}.nb-tst-warn{background:#fff1e8;color:#93411f}.nb-tst-row{padding:9px 0;border-bottom:1px solid #e8e8e8;display:grid;grid-template-columns:minmax(110px,34%) minmax(0,1fr);gap:12px;font-size:13px;line-height:1.5}.nb-tst-row:last-child{border-bottom:0}.nb-tst-row strong{color:#333}.nb-tst-row span{overflow-wrap:anywhere}.nb-tst-result h4{font-size:14px;margin:14px 0 7px}.nb-tst-list{padding-left:20px;margin:5px 0 12px;font-size:13px;line-height:1.6}.nb-tst-muted{font-size:13px;color:#666}.nb-tst-success{color:#176c36;font-size:13px;font-weight:700}.nb-tst-loading{margin:0;color:#555;font-size:13px}.nb-tst-error{margin:0;color:#9c2d1d;font-size:13px;font-weight:700}.nb-tst-chain{margin-top:12px}.nb-tst-chain-item{display:flex;flex-direction:column;gap:5px;padding:10px 0;border-bottom:1px solid #e8e8e8;font-size:13px}.nb-tst-chain-item:last-child{border-bottom:0}.nb-tst-chain-item small{color:#666;overflow-wrap:anywhere}.nb-tst-disclaimer{font-size:12px;line-height:1.6;color:#666;margin:20px 2px 0}.nb-tst-disclaimer strong{color:#333}@media(max-width:700px){.nb-tst-grid{grid-template-columns:1fr}.nb-tst-hero{padding:23px 20px}.nb-tst-card{padding:17px}.nb-tst-row{grid-template-columns:1fr;gap:3px}}