.wet-fuel-article{background:#fff;max-width:1220px;margin:0 auto}.intro-section{background:linear-gradient(145deg,#eef5f8,#dce7ee)}.lead-text{font-size:1.08rem;max-width:80ch}.controls-card{background:#f8fbfc;border:1px solid #d0dde3;border-radius:10px;padding:22px}.controls-section{position:sticky;top:12px;z-index:20}.controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.controls-grid label{display:block;margin-bottom:8px;font-weight:600;color:#304955}input[type=range]{width:100%}.info-card p{margin:0;font-size:1.1rem;font-weight:700}.summary-list{margin:0;padding-left:20px;line-height:1.8}.summary-list li{margin-bottom:8px}@media (max-width: 900px){.controls-section{position:static}}