.sp-help{max-width:1200px;margin:28px auto;padding:24px;border:1px solid #dce5ef;border-radius:16px;background:#fff;color:#25364b;line-height:1.7}.sp-help h1{font-size:clamp(1.6rem,4vw,2.3rem);font-weight:800;line-height:1.25}.sp-help h2{font-size:1.3rem;font-weight:750;margin-bottom:12px;color:#071a33}.sp-help h3{font-size:1.05rem;font-weight:700}.sp-help p{margin:8px 0 16px}.sp-help ul{list-style:disc;padding-left:22px}.sp-help a{color:#0b4fa1;text-decoration:underline;text-underline-offset:3px}.sp-help-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:22px}.sp-help-links{display:flex;flex-wrap:wrap;gap:12px 20px}.sp-section-nav{display:flex;gap:8px;overflow-x:auto;padding:12px max(16px,calc((100vw - 1200px)/2));background:#f3f6fa;border-block:1px solid #dce5ef}.sp-section-nav a{flex-shrink:0;padding:8px 12px;background:white;border:1px solid #dce5ef;border-radius:20px;color:#0b4fa1;font-size:14px}.sp-card-meta{padding:8px 18px;font-size:12px;color:#475569}.sp-save,.sp-buyer-button{background:white;border:1px solid #0b4fa1;border-radius:8px;padding:9px 14px;color:#0b4fa1;cursor:pointer;min-height:44px}.sp-save{margin:4px 16px 16px}.sp-save[aria-pressed=true]{background:#e8f2ff}.sp-shortlist-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:1px solid #e2e8f0;padding:12px 0}.sp-shortlist-row label{flex:1;min-width:150px}.sp-shortlist-row input{margin-right:10px}.sp-energy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr));gap:16px}.sp-energy-grid label{display:grid;gap:5px}.sp-energy-grid input{padding:10px;border:1px solid #94a3b8;border-radius:6px;min-width:0;width:100%;background:white}.sp-energy-result{display:block;padding:18px;background:#eff6ff;margin-top:18px;border-radius:10px;font-weight:600}.sp-help :focus-visible,.sp-section-nav :focus-visible,.sp-save:focus-visible{outline:3px solid #0b4fa1;outline-offset:3px}main h2[id],main section[id]{scroll-margin-top:130px}[hidden]{display:none!important}@media(max-width:640px){.sp-help{margin:20px 12px;padding:18px}.sp-section-nav{padding:10px 12px}.sp-shortlist-row{gap:8px}}