:root{--color-bg: #ffffff;--color-text: #1a1a1a;--color-muted: #5a6470;--color-primary: #c8102e;--color-primary-dark: #9d0a23;--color-border: #e5e7eb;--color-surface: #f8f9fb;--color-surface-2: #f1f3f7;--max-width: 1080px;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}img,svg{max-width:100%;height:auto;display:block}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{line-height:1.25;margin:0 0 .6em;font-weight:700}h1{font-size:clamp(1.9rem,4vw,2.8rem)}h2{font-size:clamp(1.5rem,3vw,2rem)}h3{font-size:1.25rem}p{margin:0 0 1em}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-primary);color:#fff;padding:8px 16px;z-index:100}.skip-link:focus{left:8px;top:8px}.site-header{position:sticky;top:0;z-index:50;background:#fffffff2;backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--color-border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}.logo{font-weight:700;font-size:1.15rem;color:var(--color-text);white-space:nowrap}.logo:hover{text-decoration:none;color:var(--color-primary)}.nav{display:flex;gap:4px;flex-wrap:wrap}.nav a{padding:8px 12px;border-radius:var(--radius);color:var(--color-text);font-size:.95rem;font-weight:500}.nav a:hover{background:var(--color-surface);text-decoration:none}.nav a.active{color:var(--color-primary)}.btn{display:inline-block;padding:12px 24px;border-radius:var(--radius);font-weight:600;font-size:1rem;border:1px solid transparent;cursor:pointer;transition:background .15s ease,border-color .15s ease}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);text-decoration:none}.btn-outline{background:transparent;color:var(--color-primary);border-color:var(--color-primary)}.btn-outline:hover{background:var(--color-surface);text-decoration:none}.hero{padding:64px 0 48px;background:linear-gradient(180deg,var(--color-surface) 0%,#fff 100%)}.hero h1{margin-bottom:.4em}.hero .lead{font-size:1.2rem;color:var(--color-muted);max-width:640px;margin-bottom:1.5em}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.section{padding:48px 0}.section-alt{background:var(--color-surface)}.section h2{margin-bottom:.8em}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.grid-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.card{display:block;padding:24px;background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);color:inherit;transition:box-shadow .15s ease,transform .15s ease}.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);text-decoration:none}.card h3{margin-bottom:.4em;color:var(--color-text)}.card p{color:var(--color-muted);margin:0}.card-tag{display:inline-block;font-size:.8rem;color:var(--color-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.04em}.cta{padding:56px 0;background:var(--color-primary);color:#fff;text-align:center}.cta h2{color:#fff}.cta p{color:#ffffffe6;max-width:560px;margin:0 auto 1.5em}.cta .btn-primary{background:#fff;color:var(--color-primary)}.cta .btn-primary:hover{background:var(--color-surface)}.faq{padding:48px 0}.faq-item{border-bottom:1px solid var(--color-border);padding:16px 0}.faq-item summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:before{content:"+";display:inline-block;width:1em;color:var(--color-primary)}.faq-item[open] summary:before{content:"−"}.faq-answer{padding-top:8px;color:var(--color-muted)}.last-verified{font-size:.9rem;color:var(--color-muted);padding:12px 16px;background:var(--color-surface);border-radius:var(--radius);display:inline-block}.article{padding:48px 0}.article-body{max-width:720px}.article-body h2{margin-top:1.6em}.article-body ul,.article-body ol{padding-left:1.4em}.product{padding:48px 0}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}@media (max-width: 720px){.product-grid{grid-template-columns:1fr}}.product-price{font-size:2rem;font-weight:700;color:var(--color-primary)}.product-features{list-style:none;padding:0}.product-features li{padding:8px 0;border-bottom:1px solid var(--color-border)}.product-features li:before{content:"✓";color:#2e7d32;font-weight:700;margin-right:8px}.site-footer{background:#11161d;color:#c7ced8;padding:48px 0 24px;margin-top:48px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}@media (max-width: 720px){.footer-grid{grid-template-columns:1fr 1fr}}.footer-brand .brand-name{font-weight:700;font-size:1.1rem;color:#fff;margin-bottom:8px}.footer-brand .brand-desc{font-size:.9rem;color:#8a93a0}.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:12px}.footer-col ul{list-style:none;padding:0;margin:0}.footer-col li{margin-bottom:8px}.footer-col a{color:#c7ced8;font-size:.9rem}.footer-col a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:16px;border-top:1px solid #2a313a;font-size:.85rem;color:#8a93a0}.form-container{max-width:640px;margin:0 auto}.form-note{font-size:.9rem;color:var(--color-muted);margin-top:12px}.checklist{list-style:none;padding:0}.checklist li{padding:12px 16px;background:var(--color-surface);border-radius:var(--radius);margin-bottom:8px;display:flex;align-items:flex-start;gap:12px}.checklist input[type=checkbox]{margin-top:4px;width:18px;height:18px;accent-color:var(--color-primary)}