:root{--brand:#2563eb;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--bg:#f8fafc}*{box-sizing:border-box}body{color:var(--ink);background:var(--bg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.container{max-width:1120px;margin:0 auto;padding:0 20px}.topbar{border-bottom:1px solid var(--line);z-index:10;background:#fff;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;height:64px;display:flex}.brand{color:var(--ink);font-size:22px;font-weight:800}.brand span{color:var(--brand)}.nav a{color:var(--muted);margin-left:22px;font-size:14px;font-weight:600;text-decoration:none}.nav a:hover{color:var(--brand)}.hero{color:#fff;text-align:center;background:linear-gradient(135deg,#1e3a8a,#2563eb);padding:72px 0}.hero h1{margin:0 0 12px;font-size:40px}.hero p{opacity:.9;margin:0 0 24px;font-size:18px}.btn{color:var(--brand);background:#fff;border-radius:8px;padding:12px 28px;font-weight:700;text-decoration:none;display:inline-block}.block{padding:40px 0}.block h2{margin:0 0 20px;font-size:24px}.chips{flex-wrap:wrap;gap:10px;display:flex}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600}.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;display:grid}.card{border:1px solid var(--line);background:#fff;border-radius:12px;transition:box-shadow .15s;overflow:hidden}.card:hover{box-shadow:0 8px 24px #0f172a14}.thumb{aspect-ratio:4/3;color:var(--muted);background:#f1f5f9;justify-content:center;align-items:center;font-size:13px;display:flex}.thumb img{object-fit:cover;width:100%;height:100%}.card-body{padding:14px}.tag{color:var(--brand);background:#eff6ff;border-radius:6px;margin-bottom:8px;padding:3px 8px;font-size:11px;font-weight:700;display:inline-block}.card-body h3{margin:0 0 6px;font-size:15px;line-height:1.35}.sku{color:var(--muted);margin-bottom:10px;font-size:12px}.price-row{align-items:baseline;gap:8px;display:flex}.price{font-size:18px;font-weight:800}.strike{color:var(--muted);font-size:13px;text-decoration:line-through}.stock{margin-top:8px;font-size:12px;font-weight:600}.stock.in{color:#16a34a}.stock.out{color:#dc2626}.muted{color:var(--muted)}.error{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:16px}.footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;background:#fff;padding:24px 0;font-size:14px}