:root{--accent:#ea580c;--accent2:#f59e0b;--ink:#351507;--muted:#667085;--line:#e5e7eb;--soft:#fff7ed;--card:#fff;--radius:18px;--shadow:0 10px 30px rgba(15,23,42,.08);--footer-bg:#2b1307;--footer-alt:#7c2d12;--hero-a:#431407;--hero-b:#c2410c;--surface:#fffaf5}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:#fff;line-height:1.58}.wrap{width:min(1180px,calc(100% - 32px));margin:auto}.announcement{background:#111;color:#fff;text-align:center;font-size:13px;padding:8px}.topbar{display:flex;align-items:center;gap:18px;padding:16px 0}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}.logo img{width:46px;height:46px;object-fit:contain;border-radius:10px}.grow{flex:1}.actions{display:flex;gap:8px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);padding:11px 16px;border-radius:999px;text-decoration:none;color:var(--ink);background:#fff;font-weight:700;font-size:14px}.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.dark{background:#111;color:#fff;border-color:#111}.nav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}.nav .wrap{display:flex;gap:22px;overflow:auto;padding:12px 0}.nav a{white-space:nowrap;color:#344054;text-decoration:none;font-size:14px;font-weight:650}.hero-strip{background:linear-gradient(100deg,#111 0%,#20252d 55%,#111 100%);color:white}.hero-strip .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:34px 0}.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:800;color:#98a2b3}.hero-strip h1{font-size:clamp(30px,5vw,54px);line-height:1.05;margin:10px 0}.hero-strip p{color:#d0d5dd;max-width:680px}.hero-art{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.hero-art img{width:100%;aspect-ratio:1/1.12;object-fit:cover;border-radius:16px;background:#222}.product{display:grid;grid-template-columns:88px minmax(0,1fr) minmax(320px,.9fr);gap:24px;padding:36px 0}.thumbs{display:grid;gap:10px;align-content:start}.thumb{border:1px solid var(--line);background:#fff;border-radius:12px;padding:4px;cursor:pointer}.thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:9px}.mainimg{border-radius:22px;background:var(--soft);overflow:hidden;min-height:560px;display:flex;align-items:center;justify-content:center}.mainimg img{width:100%;height:100%;max-height:680px;object-fit:cover}.product-info{padding:8px 0}.badge{display:inline-flex;background:#111;color:#fff;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800;letter-spacing:.08em}.product-info h2{font-size:32px;line-height:1.12;margin:12px 0 8px}.sku{font-size:12px;color:var(--muted)}.price{font-size:26px;font-weight:800;margin:16px 0 4px}.tax{font-size:13px;color:var(--muted)}.option{margin:18px 0}.option strong{display:block;margin-bottom:8px}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:#fff;font-size:13px}.chip.active{border:2px solid var(--ink);padding:8px 11px}.protect{background:var(--soft);border-radius:14px;padding:15px;margin:18px 0}.stock{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.stock>div{border:1px solid var(--line);border-radius:14px;padding:12px;font-size:13px}.full{width:100%}.section{padding:56px 0}.section.soft{background:var(--soft)}.section h2{font-size:clamp(26px,4vw,40px);line-height:1.1;margin:0 0 12px}.lead{font-size:18px;color:#475467;max-width:820px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 2px 6px rgba(15,23,42,.03)}.card h3{margin:4px 0 8px}.panel{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}.panel-head{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px;border-bottom:1px solid var(--line)}.panel-body{padding:20px}.info-controls{display:grid;grid-template-columns:1fr 1fr auto;gap:10px}.input{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff;color:var(--ink)}.results{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}.result{border-radius:14px;background:var(--soft);padding:15px;text-align:center}.result b{display:block;font-size:20px}.trade{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}.step{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}.step span{display:inline-flex;width:34px;height:34px;border-radius:50%;background:#111;color:#fff;align-items:center;justify-content:center;font-weight:800}details{border-bottom:1px solid var(--line);padding:15px 0}summary{cursor:pointer;font-weight:750}.article{max-width:900px}.article h2{margin-top:36px}.article h3{margin-top:24px}.article p{color:#344054}.article ul{color:#344054}.big-footer{background:#111;color:#fff;padding:48px 0 92px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.big-footer a{color:#d0d5dd;text-decoration:none;display:block;margin:8px 0}.big-footer h3{font-size:15px}.copyright{border-top:1px solid #333;margin-top:30px;padding-top:20px;color:#98a2b3;font-size:12px}.sticky{position:fixed;z-index:30;bottom:0;left:0;right:0;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding:8px max(12px,calc((100vw - 700px)/2));box-shadow:0 -8px 24px rgba(15,23,42,.08)}.sticky a{text-align:center;text-decoration:none;color:#111;font-size:12px;font-weight:800;padding:10px;border-radius:10px}.sticky a:nth-child(2){background:#111;color:#fff}.breadcrumbs{font-size:13px;color:var(--muted);padding:18px 0}.breadcrumbs a{color:inherit}.pagehero{padding:48px 0 30px;background:var(--soft)}.pagehero h1{font-size:clamp(34px,6vw,58px);line-height:1.05;margin:8px 0}.pagecontent{padding:42px 0 72px}.pagecontent .article{margin:auto}.banner3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0}.banner3 img{width:100%;border-radius:18px;aspect-ratio:1.45/1;object-fit:cover;background:#ddd}.notice{border-left:4px solid var(--accent);padding:14px 18px;background:var(--soft);border-radius:0 12px 12px 0}.mini-links{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.ratingrow{display:flex;gap:8px;align-items:center;color:#667085;font-size:13px}.stars{color:#111;letter-spacing:2px}
@media(max-width:900px){.hero-strip .wrap{grid-template-columns:1fr}.hero-art{max-width:580px}.product{grid-template-columns:70px 1fr}.product-info{grid-column:1/-1}.mainimg{min-height:420px}.cards,.trade{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.info-controls{grid-template-columns:1fr}.results{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.wrap{width:min(100% - 22px,1180px)}.topbar{padding:10px 0}.logo span{display:none}.actions .btn:not(.primary){display:none}.nav .wrap{gap:14px}.hero-strip .wrap{padding:24px 0}.hero-strip h1{font-size:34px}.hero-art{grid-template-columns:repeat(3,1fr)}.product{grid-template-columns:1fr;gap:14px;padding:22px 0}.thumbs{grid-template-columns:repeat(3,1fr);order:2}.mainimg{min-height:340px;order:1}.product-info{order:3}.product-info h2{font-size:27px}.cards,.trade,.footer-grid{grid-template-columns:1fr}.section{padding:40px 0}.stock{grid-template-columns:1fr}.banner3{grid-template-columns:1fr}.banner3 img{aspect-ratio:1.8/1}.sticky{padding:6px 10px}.sticky a{font-size:11px}}


/* v2: domain-specific visual identity */
:root{--accent2:#f59e0b;--footer-bg:#2b1307;--footer-alt:#7c2d12;--hero-a:#431407;--hero-b:#c2410c;--surface:#fffaf5}
body{background:var(--surface)}
.hero-strip{background:linear-gradient(118deg,var(--hero-a) 0%,var(--hero-b) 78%,var(--accent2) 145%)}
.hero-strip .eyebrow{color:rgba(255,255,255,.68)}
.btn.primary{box-shadow:0 7px 18px color-mix(in srgb,var(--accent) 24%,transparent)}
.section.lower-block{position:relative;overflow:hidden}
.section.lower-block.tone-a{background:var(--soft)}
.section.lower-block.tone-b{background:#fff}
.section.lower-block.tone-c{background:linear-gradient(135deg,var(--soft),#fff)}
.section.lower-block .eyebrow{color:var(--accent)}
.step span{background:var(--accent)}
.result{border:1px solid color-mix(in srgb,var(--accent) 14%,#e5e7eb)}
.big-footer{background:var(--footer-bg)}
.big-footer .copyright{border-top-color:rgba(255,255,255,.15)}
.sticky a:nth-child(2){background:var(--accent);color:#fff}

.theme-orange .lower-promo{background:linear-gradient(120deg,#3a1808 0%,var(--footer-alt) 48%,var(--accent) 130%);color:#fff}
.theme-orange .lower-promo .lead,.theme-orange .lower-promo .eyebrow{color:#fff}
.theme-orange .lower-steps .trade{grid-template-columns:1.2fr .9fr .9fr;align-items:stretch}
.theme-orange .lower-steps .step:first-child{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-8px)}
.theme-orange .lower-steps .step:first-child span{background:#fff;color:var(--accent)}
.theme-orange .lower-feature .card:nth-child(2){transform:translateY(14px)}
.theme-orange .footer-cardgrid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:14px}
.theme-orange .footer-card{padding:22px;border-radius:20px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10)}
.theme-orange .footer-card:first-child{background:linear-gradient(145deg,var(--footer-alt),rgba(255,255,255,.06))}

@media(max-width:900px){.theme-teal .lower-info .panel{grid-template-columns:1fr}.theme-teal .footer-split{grid-template-columns:1fr}.theme-orange .footer-cardgrid,.theme-rose .footer-columns{grid-template-columns:1fr 1fr}.theme-rose .lower-feature .cards{display:grid;grid-template-columns:1fr 1fr}.theme-rose .lower-feature .card:nth-child(n){grid-column:auto}.theme-violet .footer-bottomrow{grid-template-columns:1fr}}
@media(max-width:620px){.section.lower-block{width:auto!important;margin:0!important;border-radius:0!important;padding-left:0!important;padding-right:0!important}.theme-blue .lower-feature .cards,.theme-violet .lower-feature .cards,.theme-orange .lower-steps .trade,.theme-rose .lower-feature .cards,.theme-orange .footer-cardgrid,.theme-rose .footer-columns,.theme-teal .footer-links-grid{grid-template-columns:1fr}.theme-violet .lower-feature .card:last-child{grid-column:auto}.theme-orange .lower-steps .step:first-child,.theme-orange .lower-feature .card:nth-child(2){transform:none}.theme-rose .footer-cta{display:block}.theme-rose .footer-cta .actions{margin-top:16px}}