:root{--red:#c0392b;--ink:#1f2328;--muted:#6b7078;--line:#e6e8eb;--bg:#f5f6f7}
*{box-sizing:border-box}body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff}
a{color:inherit;text-decoration:none}
.demo{background:#1f2328;color:#fff;font-size:12px;text-align:center;padding:6px 12px;letter-spacing:.02em}
.top{border-bottom:1px solid var(--line)}.top .in{max-width:1200px;margin:0 auto;padding:14px 16px;display:flex;align-items:center;gap:24px}
.logo{font-weight:900;font-size:22px;letter-spacing:.02em;color:var(--red)}
.search{flex:1;max-width:520px;border:1px solid var(--line);border-radius:6px;padding:9px 12px;color:var(--muted);font-size:14px}
.icons{margin-left:auto;display:flex;gap:18px;font-size:13px;color:var(--muted)}
.nav{background:var(--red)}.nav .in{max-width:1200px;margin:0 auto;padding:0 16px;display:flex;gap:26px;overflow-x:auto}
.nav a{color:#fff;font-weight:700;font-size:14px;padding:11px 0;white-space:nowrap}
main{max-width:1200px;margin:0 auto;padding:18px 16px 48px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:14px}
h1{font-size:26px;margin:0 0 6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg)}
.card .b{padding:12px 14px;display:grid;gap:6px}.card .t{font-weight:700;font-size:14px;min-height:42px}
.price{color:var(--red);font-weight:900;font-size:22px}
.pp{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px;align-items:start}
.gallery .main{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--bg);border-radius:8px}
.thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.thumbs img{width:84px;height:64px;object-fit:cover;border-radius:6px;border:2px solid transparent;cursor:pointer;background:var(--bg)}
.thumbs img.on{border-color:var(--red)}
.box{border:1px solid var(--line);border-radius:8px;padding:18px}
.specs{margin:14px 0;border-top:1px solid var(--line)}.specs div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}.specs span{color:var(--muted)}
.buy{width:100%;border:0;border-radius:6px;background:var(--red);color:#fff;font-weight:800;font-size:16px;padding:14px;cursor:pointer;margin-top:6px}
.note{font-size:12px;color:var(--muted);margin-top:10px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:12px;text-align:center;padding:18px 16px}
@media(max-width:800px){.pp{grid-template-columns:1fr}.icons,.search{display:none}}