:root{--r:#DE010D;--w:#fff;--ink:#171717;--muted:#6b6b70;--soft:#f6f6f7}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--soft);color:var(--ink);font-family:Tahoma,Arial,sans-serif}
a{text-decoration:none;color:inherit}.shell{max-width:1180px;margin:auto;padding:18px}.top{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border:1px solid #ececee;border-radius:22px;padding:11px 14px;position:sticky;top:8px;z-index:20;box-shadow:0 10px 35px rgba(0,0,0,.05)}
.brand{display:flex;align-items:center;gap:10px;font-weight:900}.brand img{width:46px;height:46px;border-radius:14px;border:1px solid #eee}.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{border:0;border-radius:14px;padding:11px 15px;font:700 13px Tahoma;cursor:pointer;background:#efeff1}.btn.primary{background:var(--r);color:#fff}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;margin-top:18px}.photo,.info{background:#fff;border:1px solid #ececee;border-radius:28px;overflow:hidden}.photo{min-height:520px;display:grid;place-items:center;padding:14px}.photo img{width:100%;height:100%;max-height:650px;object-fit:contain;border-radius:20px}
.info{padding:28px;display:flex;flex-direction:column;justify-content:center}.eyebrow{color:var(--r);font-weight:900;font-size:13px}.info h1{font-size:clamp(28px,5vw,54px);margin:8px 0 12px;line-height:1.15}.meta{display:flex;gap:8px;flex-wrap:wrap}.chip{background:#fafafa;border:1px solid #ececee;border-radius:999px;padding:9px 12px;font-size:13px}.price{font-size:28px;font-weight:900;margin:20px 0;color:var(--r)}
section.box{margin-top:18px;background:#fff;border:1px solid #ececee;border-radius:28px;padding:22px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:12px;margin-bottom:14px}.section-title h2{margin:0;font-size:22px}.section-title span{color:var(--muted);font-size:12px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.card{border:1px solid #ececee;border-radius:20px;overflow:hidden;background:#fff}.card img{width:100%;aspect-ratio:1/1;object-fit:cover;background:#f5f5f5}.card .c{padding:11px}.card b{display:block;margin-bottom:7px}.card small{color:var(--muted)}
.install{display:flex;align-items:center;justify-content:space-between;gap:14px;background:linear-gradient(135deg,#fff,#fff5f5);border:1px solid #ffd9dc;border-radius:24px;padding:18px;margin-top:18px}.install img{width:68px;height:68px;border-radius:18px}
footer{text-align:center;color:#777;padding:34px 12px;font-size:12px}.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#171717;color:#fff;border-radius:999px;padding:11px 15px;font-size:12px;font-weight:700;z-index:99}
@media(max-width:820px){.hero{grid-template-columns:1fr}.photo{min-height:330px}.info{padding:20px}.grid{grid-template-columns:repeat(2,1fr)}.top{position:static}.actions .hide-mobile{display:none}}