.breadcrumbs{display:flex;gap:10px;color:var(--muted);font-size:13px;margin-bottom:25px}.breadcrumbs a{color:var(--blue);font-weight:700}.product-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:65px;align-items:start}.main-photo{height:560px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;display:flex;align-items:center;justify-content:center}.main-photo img{width:100%;height:100%;object-fit:contain}.photo-strip{display:flex;gap:10px;margin-top:12px;overflow:auto}.thumb{width:75px;height:75px;flex:0 0 auto;border:2px solid transparent;border-radius:9px;background:#fff;padding:4px;cursor:pointer}.thumb.selected{border-color:var(--cyan)}.thumb img{width:100%;height:100%;object-fit:contain}.product-copy{position:sticky;top:110px}.product-copy h1{font-size:clamp(34px,4vw,54px);line-height:1.05;letter-spacing:-1.5px;margin:10px 0 12px}.product-code{color:var(--muted);font-size:13px}.detail-price{font-size:40px;color:var(--navy);display:block;margin:25px 0 10px}.stock-pill{display:inline-block;border-radius:99px;padding:8px 13px;font-size:12px;font-weight:800}.in-stock{background:#d8f5e5;color:#166534}.ask-stock{background:#fff0c2;color:#7a5200}.description{margin:25px 0;color:#486581;line-height:1.7;border-top:1px solid var(--line);padding-top:22px}.detail-cart .button{width:100%;font-size:16px}.detail-whatsapp{display:block;text-align:center;color:#138a4b;font-weight:800;margin-top:18px}@media(max-width:850px){.product-layout{grid-template-columns:1fr;gap:28px}.main-photo{height:380px}.product-copy{position:static}.product-detail{padding-top:25px}.product-copy h1{font-size:36px}}