:root{--bg:#fffdf9;--fg:#2a211b;--muted:#7a6a5d;--accent:#b5562b;--line:#e7ded3}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;background:var(--bg);color:var(--fg)}
.lab-banner{background:#fff3c4;color:#5a4500;padding:8px 16px;font-size:13px;text-align:center}
.site-header{display:flex;gap:24px;align-items:center;padding:16px;border-bottom:1px solid var(--line)}
.site-header nav{display:flex;gap:16px;flex:1}.logo{font-weight:700;color:var(--accent);text-decoration:none}
.pdp{max-width:1080px;margin:0 auto;padding:16px}.crumbs{font-size:13px;color:var(--muted)}
.pdp-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:16px}
.gallery img{width:100%;height:auto}.sku{color:var(--muted);font-size:13px}
.rating{display:flex;gap:6px;align-items:center;color:#c58b00}
.was{color:var(--muted)}.off{color:var(--accent);font-weight:600}
.now{font-size:36px;font-weight:700}.now .dec{font-size:20px;vertical-align:top}
.stock.ok{color:#2f7d32}.stock.out .badge{background:#999;color:#fff;padding:2px 8px;border-radius:4px}.stock.pre{color:#1b5e9a}
button{padding:10px 18px;margin-top:8px}
.tab-head{display:flex;gap:16px;border-bottom:1px solid var(--line);margin-top:32px}.tab-head .active{font-weight:700}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);margin:12px 0}
.spec{display:contents}.spec .k,.spec .v{background:var(--bg);padding:8px}.spec .k{color:var(--muted)}
.rail{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{border:1px solid var(--line);padding:12px;color:inherit;text-decoration:none}
.site-footer{border-top:1px solid var(--line);padding:16px;color:var(--muted);font-size:13px;margin-top:48px}
.variants{border-collapse:collapse}.variants td,.variants th{border:1px solid var(--line);padding:6px 10px}
@media (max-width:720px){.pdp-grid,.rail{grid-template-columns:1fr}}