*{box-sizing:border-box}body{margin:0;font:17px/1.6 -apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a1a;background:#fafafa}
.w{max-width:860px;margin:0 auto;padding:0 20px}header{border-bottom:1px solid #e5e5e5;background:#fff}header .w{display:flex;justify-content:space-between;align-items:center;height:60px}
header a{color:#1a1a1a;text-decoration:none;font-weight:600}nav a{font-weight:400;margin-left:18px;color:#555}
h1{font-size:2.1em;line-height:1.2;margin:48px 0 12px}h2{margin-top:44px}.lead{font-size:1.15em;color:#444}
.buy{display:flex;align-items:center;gap:20px;margin:28px 0;flex-wrap:wrap}.price{font-size:2em;font-weight:700}
.btn{background:#111;color:#fff;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:600}.btn:hover{background:#333}
img{max-width:100%;border:1px solid #e5e5e5;border-radius:8px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
ul li{margin:6px 0}.note{color:#666;font-size:.92em}footer{border-top:1px solid #e5e5e5;margin-top:60px;padding:24px 0;color:#666;font-size:.9em}footer a{color:#666}