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p{margin-top:14px;font-size:16px;line-height:1.7}.er-welcome-options{grid-template-columns:1fr 1fr;gap:16px;margin:26px 0 20px;display:grid}.er-welcome-options button{color:var(--ink);text-align:left;cursor:pointer;background:#fff;border:1px solid #bac5b4;border-radius:10px;padding:20px 16px;transition:all .2s}.er-welcome-options button:hover{background:#edf1e9;border-color:#6d8161}.er-welcome-options strong{font-size:24px;line-height:1.3;display:block}.er-welcome-options button>span{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;margin-top:8px;font-size:15px;display:flex}.er-welcome-note{color:var(--muted);font-size:14px;line-height:1.7}.er-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.er-skip-link{border:1px solid var(--line);z-index:100;background:#fff;border-radius:4px;padding:12px 18px;transition:top .2s;position:fixed;top:-70px;left:10px}.er-skip-link:focus{top:10px}@media (max-width:1100px){.er-container{width:calc(100% - 48px)}.er-desktop-nav{display:none}.er-hero-grid{gap:30px}.er-hero-cta{align-items:flex-start}.er-hero-battery-pair{gap:8px;padding:8px 12px 18px}.er-hero-battery-pair img{height:180px}.er-hero-battery-pair figure{padding:8px 6px 16px}.er-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.er-product-card:last-child{grid-column:1/-1;grid-template-columns:1fr 1fr;display:grid}.er-product-card:last-child .er-product-image{height:100%}.er-form-layout{grid-template-columns:1fr}.er-closing-inner{flex-wrap:wrap}.er-closing .er-button{margin-left:0}}@media (max-width:850px){.er-section{padding:60px 0}.er-split{grid-template-columns:1fr;gap:32px}.er-hero{padding:45px 0}.er-hero-grid{grid-template-columns:1fr}.er-hero h1{font-size:38px}.er-hero-battery-pair img{height:220px}.er-proof-grid{grid-template-columns:1fr 1fr;gap:16px 0}.er-proof-grid>div:nth-child(odd){border-left:0;padding-left:0}.er-proof-note{text-align:left}.er-section-heading{display:block}.er-section-heading>p{max-width:100%;margin-top:14px}.er-lithium-grid .er-product-image{height:260px}.er-lithium-grid .er-product-image>img{width:240px;height:220px}.er-faq-layout{grid-template-columns:1fr;gap:30px}.er-manufacturing-visual>img{height:260px}}@media (max-width:640px){.er-container{width:calc(100% - 32px)}.er-nav{height:74px}.er-logo img{width:120px;height:44px}.er-nav-actions>.er-button{display:none}.er-hero h1{font-size:34px}.er-hero-cta{flex-direction:column;align-items:stretch;gap:16px}.er-hero-cta .er-button{width:100%}.er-hero-battery-pair img{height:170px}.er-hero-battery-pair figcaption{font-size:14px}.er-range-group-heading h3{font-size:25px}.er-product-grid{grid-template-columns:1fr}.er-product-card,.er-product-card:last-child{grid-column:auto;display:block}.er-product-image,.er-product-card:last-child .er-product-image{height:240px}.er-lithium-grid{grid-template-columns:1fr}.er-lithium-grid .er-product-image{height:280px}.er-lithium-grid .er-product-image>img{width:260px;height:240px}.er-technology-note{padding:22px}.er-field-grid{grid-template-columns:1fr;gap:18px}.er-form-battery-pair{gap:10px;padding:15px}.er-form-battery-pair img{height:160px}.er-lead-form{padding:24px 18px}.er-form-actions{flex-direction:column}.er-closing-inner{flex-direction:column;align-items:flex-start}.er-closing img{width:120px;height:120px;display:block}.er-footer-main{grid-template-columns:1fr}.er-footer-bottom{flex-direction:column;gap:14px}.er-footer{padding-bottom:90px}.er-mobile-cta{z-index:30;padding:10px 16px max(10px, env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fff;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -5px 20px #26382f14}.er-mobile-cta .er-button{flex:1;min-height:46px;padding:10px 14px;font-size:15px}.er-mobile-cta.hidden{display:none}.er-welcome-options{grid-template-columns:1fr}}