:root{--red:#e82432;--ink:#171b24;--muted:#667085;--line:#e7e9ee;--bg:#f6f7f9}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,Arial,sans-serif;background:white}a{text-decoration:none;color:inherit}button{cursor:pointer;font:inherit}.top{background:#171b24;color:#fff;font-size:12px;padding:10px max(5%,calc((100% - 1160px)/2));display:flex;justify-content:space-between}.head{border-bottom:1px solid var(--line);background:white;position:sticky;top:0;z-index:10}.headin{max-width:1160px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:18px 20px;gap:20px}.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:20px}.logo img{width:46px;height:46px;object-fit:contain}.nav{display:flex;gap:25px;font-size:12px;font-weight:800;letter-spacing:.04em}.nav a:hover{color:var(--red)}.nav .active{color:var(--red)}.badge{background:#fff0f1;color:#d71928;padding:7px 11px;border-radius:30px;font-size:11px;font-weight:800}.wrap{max-width:1160px;margin:auto;padding:0 20px}.preview{background:#fff8e8;border-bottom:1px solid #f0dfb7;padding:12px 20px;text-align:center;font-size:13px}.tabs{display:flex;gap:9px;flex-wrap:wrap;margin:27px 0 10px}.tab{border:1px solid var(--line);background:white;border-radius:8px;padding:12px 17px;font-weight:750;font-size:13px}.tab.on{background:var(--ink);color:white;border-color:var(--ink)}.page{display:none}.page.on{display:block}.crumb{font-size:12px;color:#89909b;margin:33px 0 24px}.crumb b{color:var(--red)}.layout{display:grid;grid-template-columns:minmax(0,790px) 290px;gap:52px}.eyebrow{color:var(--red);font-weight:900;font-size:12px;letter-spacing:.13em;text-transform:uppercase}.hero h1{font-size:clamp(36px,4.2vw,57px);letter-spacing:-.055em;line-height:1.07;margin:15px 0 19px}.lead{color:#5c6471;line-height:1.8;font-size:16px;max-width:720px}.meta{display:flex;gap:12px;align-items:center;font-size:12px;color:#667085;margin:23px 0}.avatar{background:#1c2330;color:white;border-radius:50%;width:34px;height:34px;display:grid;place-items:center;font-weight:800}.heroimg{width:100%;height:340px;object-fit:cover;border-radius:13px;margin:5px 0 14px}.notice{font-size:12px;line-height:1.7;color:#67707d;background:#f7f8fa;padding:13px 16px;border-left:3px solid var(--red);margin:18px 0 36px}.sectiontitle{font-size:28px;letter-spacing:-.04em;margin:40px 0 8px}.sub{color:#737b87;font-size:14px;line-height:1.7}.glance{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:22px 0 42px}.glancerow{display:grid;grid-template-columns:105px minmax(0,1fr) 130px;gap:18px;align-items:center;padding:18px;border-bottom:1px solid var(--line)}.glancerow:last-child{border-bottom:0}.glancerow img{width:105px;height:85px;object-fit:cover;border-radius:8px;background:#eee}.pick{font-size:10px;font-weight:900;color:var(--red);text-transform:uppercase;letter-spacing:.09em}.glancerow h3{font-size:17px;margin:5px 0 7px}.glancerow p{margin:0;color:#737b87;font-size:12px;line-height:1.5}.jump{display:inline-block;color:#d91f2d;font-weight:800;font-size:11px;margin-top:8px}.btn{background:var(--red);border:1px solid var(--red);color:white;border-radius:6px;padding:12px 15px;font-size:12px;font-weight:850;display:inline-block;text-align:center}.btn.alt{background:white;color:var(--ink);border-color:#d6dae1}.btn:hover{filter:brightness(.93)}.glancerow .btn{width:100%}.card{border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:28px 0 42px}.cardtop{padding:22px 25px;background:#f9fafb;display:flex;justify-content:space-between;align-items:center;gap:12px}.cardtop h2{margin:7px 0 0;font-size:25px;letter-spacing:-.035em}.cardbody{padding:25px}.productimg{width:100%;height:315px;object-fit:cover;border-radius:9px}.proscons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}.pros,.cons{border-radius:10px;padding:18px;background:#eefaf3}.cons{background:#fff3f3}.pros h4,.cons h4{margin:0 0 12px}.pros p,.cons p{font-size:13px;line-height:1.7;margin:7px 0}.specs{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;margin:20px 0}.specs div{padding:13px;border-bottom:1px solid var(--line);font-size:12px}.specs div:nth-child(odd){background:#f8f9fa}.price{border:1px solid var(--line);border-radius:10px;padding:19px;margin:20px 0}.price h4{margin:0 0 12px}.retailer{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-top:1px solid var(--line);font-size:13px}.retailer .btn{padding:10px 16px}.video{background:linear-gradient(135deg,#171c27,#363e4d);height:220px;border-radius:10px;display:grid;place-items:center;color:white;text-align:center;margin:20px 0}.play{font-size:29px;border:2px solid #fff;border-radius:50%;width:64px;height:64px;display:grid;place-items:center;margin:auto auto 12px}.copy{font-size:14px;line-height:1.9;color:#535b67}.side{padding-top:6px}.sidebox{border:1px solid var(--line);border-radius:12px;padding:21px;margin-bottom:22px}.sidebox h3{font-size:15px;margin:0 0 15px}.sidebox a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;color:#515966}.sidebox a:last-child{border:0}.sidebox a:hover{color:var(--red)}.sidepromo{background:#1d2330;color:white;border-radius:12px;padding:25px}.sidepromo p{font-size:13px;color:#c8ccd5;line-height:1.7}.guide{background:#f8f9fb;border-radius:12px;padding:24px;margin:24px 0}.guide h3{margin-top:0}.faq{border-bottom:1px solid var(--line);padding:16px 0}.faq summary{font-weight:800;cursor:pointer}.faq p{font-size:13px;line-height:1.8;color:#667085}.author{display:flex;gap:16px;background:#f8f9fb;border-radius:12px;padding:24px;margin:32px 0}.author .avatar{flex:none;width:50px;height:50px}.author p{font-size:13px;color:#667085;line-height:1.7}.compare{width:100%;border-collapse:collapse;margin:26px 0 35px;font-size:13px}.compare th,.compare td{border:1px solid var(--line);padding:15px;text-align:left}.compare th{background:#f5f6f8}.compare img{width:90px;height:70px;object-fit:cover;border-radius:7px}.footer{margin-top:80px;background:#171b24;color:white;padding:45px 20px}.footin{max-width:1160px;margin:auto;display:flex;justify-content:space-between;gap:25px}.footin p{color:#aeb5c1;font-size:13px;line-height:1.7}.footin a{color:#fff}.count{color:#9da3ad;font-size:12px;font-weight:800}.note{background:#fff8e9;border:1px solid #f5e1b6;border-radius:9px;padding:13px 17px;color:#7e6536;font-size:12px;line-height:1.6}.mobilemenu{display:none}@media(max-width:900px){.layout{grid-template-columns:1fr}.side{display:none}.nav{gap:12px;font-size:10px}.heroimg{height:300px}}@media(max-width:620px){.top{display:none}.headin{padding:12px 16px}.nav{display:none}.mobilemenu{display:block}.logo{font-size:16px}.logo img{width:37px;height:37px}.hero h1{font-size:35px}.heroimg{height:220px}.glancerow{grid-template-columns:75px 1fr;gap:12px;padding:13px}.glancerow img{width:75px;height:75px}.glancerow .btn{grid-column:1/-1}.cardtop{padding:17px}.cardtop h2{font-size:21px}.cardbody{padding:15px}.productimg{height:220px}.proscons{grid-template-columns:1fr}.specs{grid-template-columns:1fr}.footin{display:block}.retailer{flex-wrap:wrap}.compare{display:block;overflow-x:auto;white-space:nowrap}.tabs{gap:6px}.tab{padding:10px;font-size:11px}}

/* Standalone multi-page prototype refinements */
:root{--red:#df2232}body{overflow-x:hidden}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #e82432;outline-offset:3px}.tab{text-decoration:none;display:inline-flex;align-items:center;transition:background .2s,border-color .2s,transform .2s}.tab:hover{border-color:#de2839;transform:translateY(-1px)}.tab.on{background:#df2232;border-color:#df2232;color:#fff}.nav a.active{color:#df2232}.head{box-shadow:0 5px 22px rgba(12,17,30,.035)}.card{box-shadow:0 8px 30px rgba(20,30,48,.035)}.cardtop{border-bottom:1px solid var(--line)}.glancerow:hover{background:#fcfcfd}.btn{transition:transform .2s,background .2s}.btn:hover{transform:translateY(-2px)}.heroimg{object-position:center}.pageindex{display:flex;gap:10px;align-items:center;margin:18px 0 0;color:#8a929e;font-size:12px}.pageindex a{color:var(--red);font-weight:700}.preview strong{color:#9d6312}.specs div{min-width:0}.pageintro{background:#fafbfc;border-bottom:1px solid #e9ebef;padding:8px 0}.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;z-index:1000;background:white;padding:12px}.mobilemenu{display:none!important}@media(max-width:620px){.preview{font-size:11px}.headin{gap:6px}.badge{font-size:9px}.top{display:none}.tabs{margin-top:18px}.hero h1{font-size:34px}.sectiontitle{font-size:25px}.glancerow h3{font-size:15px}.glancerow{grid-template-columns:72px minmax(0,1fr)}.tab{flex:1 1 calc(50% - 6px);justify-content:center}.footin{display:grid;grid-template-columns:1fr}}