:root{--bg:#f8f8fc;--surface:#fff;--card:#fff;--text:#202239;--ink:#202239;--muted:#62647b;--line:#e5e5ef;--accent:#6552d9;--accent-dark:#5141b4;--accent-soft:#f0edff;--radius:18px;--shadow:0 5px 24px #28234407;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.6}a{color:inherit}button,input,select{font:inherit}button,a,select,input{touch-action:manipulation}button{cursor:pointer}img{max-width:100%}h1,h2,h3{color:var(--ink);line-height:1.2;letter-spacing:-.03em}p{color:var(--muted)}:focus-visible{outline:3px solid #8773ee;outline-offset:4px}.sp-wrap{width:min(1120px,calc(100% - 40px));margin:auto}.sp-header{background:white;border-bottom:1px solid var(--line)}.sp-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:84px}.sp-brand{display:inline-flex;align-items:center;flex-shrink:0}.sp-brand img{width:224px;height:auto;max-height:50px;object-fit:contain}.sp-nav nav{display:flex;align-items:center;gap:26px}.sp-nav nav a{text-decoration:none;font-weight:600;font-size:14px;color:var(--muted)}.sp-nav nav a:hover{color:var(--accent)}.skip-link{position:absolute;left:16px;top:-90px;background:white;padding:12px;z-index:100}.skip-link:focus{top:10px}.sp-home{width:100%;max-width:none;padding:0;margin:0}.sp-hero{padding-top:44px;padding-bottom:18px}.sp-kicker{font-size:12px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}.sp-hero h1{font-size:clamp(32px,4.7vw,54px);margin:0 0 18px;letter-spacing:-.045em}.sp-hero h1 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span:before{content:'✓';color:var(--accent);font-weight:bold;margin-right:7px}.sp-section{padding-top:34px;padding-bottom:38px}.sp-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:22px}.sp-heading>p{font-size:14px;max-width:365px;margin:0}.sp-section h2{font-size:clamp(25px,3vw,32px);margin:0 0 12px}.sp-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.sp-product{background:white;border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;box-shadow:var(--shadow);scroll-margin-top:20px}.sp-product .sp-kicker{font-size:11px;min-height:18px;letter-spacing:.06em}.sp-product-image{height:166px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}.sp-product-image img{width:100%;height:100%;object-fit:contain}.sp-product h3{font-size:20px;min-height:48px;margin:0 0 12px}.sp-product>p:not(.sp-kicker):not(.sp-merchant):not(.sp-spec){font-size:14px;min-height:66px;margin:0 0 12px}.sp-product .sp-spec{font-size:12px;background:#f7f6fd;padding:8px 10px;border-radius:7px;margin:0 0 18px;color:#4f4974}.sp-product .sp-btn{width:100%;margin-top:auto}.sp-merchant{font-size:12px;text-align:center;margin:6px 0 12px}.sp-owned{background:white;border:1px solid var(--line);color:var(--muted);border-radius:8px;min-height:42px;padding:8px;width:100%}.sp-owned[aria-pressed=true]{color:#356b52;background:#edf7f1;border-color:#bfdcc9}.sp-product details{font-size:13px;margin-top:14px}.sp-product summary{cursor:pointer;color:var(--muted);padding:5px 0}.sp-product details p{line-height:1.65}.sp-power-icon{height:136px;width:82px;border-radius:15px;background:linear-gradient(135deg,#3c3d42,#18191c);color:#fff;box-shadow:7px 9px 0 #eeeef4;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}.sp-power-icon:after{content:'';border:5px solid #34343b;border-left:none;width:25px;height:57px;border-radius:0 18px 18px 0;position:absolute;right:-27px;top:8px}.sp-power-icon span{font-size:25px;font-weight:650}.sp-power-icon small{font-size:8px;color:#dedee6}.sp-small{font-size:12px;line-height:1.6}.sp-checklist-section{background:#f0eef9;border-top:1px solid #e6e2f3;border-bottom:1px solid #e6e2f3}.sp-stock-controls{display:flex;gap:16px;margin:20px 0}.sp-stock-controls label{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:650}.sp-stock-controls select{border:1px solid #d6d1e7;border-radius:8px;padding:10px;background:white;max-width:100%}.sp-stock-result{font-weight:700;color:var(--ink);font-size:17px;margin:8px 0}.sp-check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:24px 0}.sp-check-item{background:white;border:1px solid #e1dced;border-radius:12px;padding:20px;display:flex;align-items:flex-start;gap:12px;cursor:pointer}.sp-check-item input{width:20px;height:20px;accent-color:var(--accent);margin:4px 0;flex-shrink:0}.sp-check-item strong{display:block;font-size:15px}.sp-check-item small{display:block;font-size:12px;color:var(--muted);margin-top:5px}.sp-note{background:#ffffffa6;padding:20px 24px;border-radius:12px;font-size:14px}.sp-note p{margin:8px 0}.sp-note a{font-size:12px;color:var(--accent);text-underline-offset:3px}.sp-extra-card{border:1px solid var(--line);border-radius:16px;background:white;display:flex;gap:30px;padding:28px;align-items:center;max-width:850px}.sp-extra-card img{width:220px;height:160px;object-fit:contain}.sp-extra-card h3{margin:0 0 12px;font-size:20px}.sp-extra-card p{font-size:14px}.sp-extra-card .sp-merchant{text-align:left}.sp-articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:24px 0}.sp-articles a{background:white;border:1px solid var(--line);padding:24px;border-radius:14px;text-decoration:none}.sp-articles h3{font-size:18px}.sp-articles p{font-size:14px}.sp-articles span{font-size:13px;font-weight:700;color:var(--accent)}.sp-next{border-top:1px solid var(--line);padding-top:20px}.sp-footer{background:white;border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}.sp-footer-top{display:flex;align-items:center;justify-content:space-between;gap:24px}.sp-footer-top nav{display:flex;gap:20px;flex-wrap:wrap}.sp-footer a{text-decoration:none}.sp-footer button{border:0;background:none;padding:0;color:inherit;font-size:inherit;text-decoration:underline}.sp-footer .sp-small{max-width:900px}.sp-footer small{font-size:11px}.sp-inline-products{width:min(1000px,calc(100% - 40px));margin:32px auto}.sp-flow-intro{max-width:800px;margin:auto auto 24px}.sp-flow-intro h1{font-size:34px}.sp-flow-intro .link-button{display:block;margin-top:15px}.article-wrap{max-width:850px;margin:auto}.article-wrap h1{font-size:clamp(28px,4vw,40px)}.article-wrap p{font-weight:400}.article-wrap a{color:var(--accent)}.article-wrap img.hero{max-height:280px;object-fit:cover}.btn{border-radius:10px}.card{border-color:var(--line);box-shadow:var(--shadow)}.sp-cookie{position:fixed;bottom:16px;right:16px;max-width:420px;z-index:100;background:white;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 32px #24213a24;padding:20px;font-size:13px}.sp-cookie p{margin:8px 0 16px}.sp-cookie-actions{display:flex;gap:10px}.sp-cookie button{border:1px solid var(--line);background:white;border-radius:8px;padding:10px 14px;font-weight:600}.sp-cookie button[data-consent=yes]{background:var(--accent);color:white}.sp-cookie[hidden]{display:none}@media(max-width:900px){.sp-nav nav{gap:15px}.sp-nav nav a{font-size:12px}.sp-brand img{width:190px}.sp-heading{display:block}.sp-heading>p{max-width:none;margin-top:12px}.sp-check-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.sp-wrap{width:calc(100% - 32px)}.sp-nav{display:block;padding:16px 0 12px;min-height:0}.sp-brand img{width:188px}.sp-nav nav{margin-top:12px;justify-content:space-between;gap:8px}.sp-nav nav a{font-size:11px;min-height:32px;display:flex;align-items:center}.sp-hero{padding-top:24px;padding-bottom:8px}.sp-hero h1{font-size:31px}.sp-hero>p:not(.sp-kicker){font-size:14px;line-height:1.6}.sp-hero-actions{gap:16px}.sp-hero-actions .sp-btn{font-size:13px;padding:11px 15px}.sp-text-link{font-size:13px}.sp-trust{gap:8px 14px;font-size:10px;margin-top:16px}.sp-section{padding-top:26px;padding-bottom:26px}.sp-section h2{font-size:24px}.sp-products{grid-template-columns:1fr;gap:16px}.sp-product{padding:20px}.sp-product-image{height:145px}.sp-product h3{min-height:0}.sp-product>p:not(.sp-kicker):not(.sp-merchant):not(.sp-spec){min-height:0}.sp-check-grid{grid-template-columns:1fr}.sp-stock-controls{display:block}.sp-stock-controls label{display:flex;justify-content:space-between;margin-bottom:10px}.sp-stock-controls select{max-width:72%;font-size:13px}.sp-stock-result{font-size:15px}.sp-note{padding:18px}.sp-extra-card{display:block;padding:20px}.sp-extra-card img{display:block;margin:auto auto 20px}.sp-extra-card .sp-btn{width:100%}.sp-extra-card .sp-merchant{text-align:center}.sp-articles{grid-template-columns:1fr}.sp-footer-top{display:block}.sp-footer-top nav{margin-top:16px;gap:12px;font-size:12px}.sp-cookie{bottom:10px;right:10px;left:10px;max-width:none}.sp-inline-products{width:calc(100% - 24px)}.sp-flow-intro h1{font-size:28px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.sp-reading{max-width:760px;margin:auto;background:white;border:1px solid var(--line);border-radius:16px;padding:32px}.sp-reading h1{font-size:clamp(28px,4vw,40px)}.sp-reading h2{margin-top:32px;font-size:24px}.sp-reading p,.sp-reading li{font-size:16px;line-height:1.8}.sp-reading li{margin:10px 0;color:var(--muted)}.sp-reading a{color:var(--accent)}.sp-reading table{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0}.sp-reading th,.sp-reading td{padding:10px;border-bottom:1px solid var(--line);text-align:left}.sp-reading .sp-small{font-size:12px}@media(max-width:680px){.sp-reading{padding:22px}.sp-reading p,.sp-reading li{font-size:14px}}

@media(max-width:680px){.sp-hero h1{font-size:28px}.sp-hero-actions,.sp-trust{display:none}.sp-hero{padding-bottom:0}.sp-product-image{height:112px}.sp-heading>p{font-size:13px}.sp-product{padding:18px}}

.sp-price-note{font-size:.8rem;line-height:1.5;color:#64748b;margin-top:24px;margin-bottom:24px}.buy-btn-inner>span{white-space:normal}


/* SEO reading and buying guides */
.sp-hero-intro{max-width:54ch;line-height:1.6;margin:16px 0 0}.sp-breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px}.sp-reading h1{overflow-wrap:break-word}.sp-reading h2{margin-top:28px}.sp-sources{border-top:1px solid var(--line);margin-top:28px;padding-top:12px}.sp-sources h2{font-size:18px}.sp-related{max-width:780px;margin:28px 0}.sp-related li{margin:10px 0}.sp-table-scroll{overflow-x:auto;max-width:100%;margin:18px 0}.sp-table-scroll table{width:100%;border-collapse:collapse;font-size:14px}.sp-table-scroll th,.sp-table-scroll td{padding:12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.sp-table-scroll th{background:var(--accent-soft)}.sp-choice-product{max-width:430px;margin:24px 0}.sp-article-image{display:block;max-width:100%;height:auto;border-radius:12px}.sp-flow-basics{margin:0 auto 20px;max-width:860px}.sp-flow-basics details{border:1px solid var(--line);border-radius:12px;padding:16px}.sp-flow-basics summary{cursor:pointer;font-weight:700}.sp-flow-basics li{margin:8px 0}.sp-flow-basics p{line-height:1.6}@media(max-width:680px){.sp-table-scroll th,.sp-table-scroll td{padding:8px;font-size:13px}.sp-hero-intro{font-size:14px;margin-top:12px}.sp-flow-basics{width:calc(100% - 32px)}}

.sp-reading a.sp-btn-primary{color:#fff}.sp-reading .sp-choice-product .sp-spec{font-size:13px}