:root{--sf-primary: #1d4ed8;--sf-accent: #0ea5e9;--sf-glass: rgba(255, 255, 255, .72);--sf-radius: 16px;--sf-shadow: 0 12px 40px rgba(29, 78, 216, .12)}.sf-body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:linear-gradient(160deg,#f0f7ff,#fff 45%);color:#0f172a}.sf-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:var(--sf-glass);position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(29,78,216,.08)}.sf-logo{font-weight:700;color:var(--sf-primary);text-decoration:none}.sf-nav a{margin-left:1rem;color:#334155;text-decoration:none}.sf-main{max-width:1200px;margin:0 auto;padding:1.5rem 1rem 4rem}.sf-hero{padding:3rem 1.5rem;border-radius:var(--sf-radius);background:linear-gradient(135deg,var(--sf-primary),var(--sf-accent));color:#fff;box-shadow:var(--sf-shadow)}.sf-btn{display:inline-block;padding:.75rem 1.25rem;border-radius:999px;border:none;background:#e2e8f0;color:#0f172a;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.sf-btn:hover{transform:translateY(-2px);box-shadow:var(--sf-shadow)}.sf-btn--primary{background:#fff;color:var(--sf-primary)}.sf-product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;margin-top:1rem}.sf-card{background:var(--sf-glass);border-radius:var(--sf-radius);overflow:hidden;box-shadow:var(--sf-shadow);transition:transform .25s ease}.sf-card:hover{transform:translateY(-4px)}.sf-card a{text-decoration:none;color:inherit;display:block}.sf-card img{width:100%;aspect-ratio:1;-o-object-fit:cover;object-fit:cover}.sf-card__placeholder{aspect-ratio:1;background:#dbeafe}.sf-price{color:var(--sf-primary);font-weight:700}.sf-checkout-sticky{position:sticky;bottom:1rem;width:100%;text-align:center}.sf-float{position:fixed;right:1rem;bottom:5rem;width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;font-weight:700;box-shadow:var(--sf-shadow);z-index:50}.sf-float--wa{background:#22c55e;bottom:5rem}.sf-float--call{background:var(--sf-primary);bottom:1.25rem}.sf-animate{animation:sfFadeUp .6s ease both}@keyframes sfFadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){.sf-product-detail{display:block}}