:root{
 --shadow1:0 4px 18px rgba(0,0,0,.18);
 --shadow2:0 4px 18px rgba(0,0,255,.18);
 --shadow3:0 4px 18px rgba(0,128,0,.18);
}
body{font-family:Arial;margin:0;background:#fff;color:#000}
.container{width:90%;max-width:1100px;margin:auto;padding:20px 0}
.info-box{background:#fff;padding:18px;border-radius:10px;margin-bottom:18px;position:relative}
.box-t1{box-shadow:var(--shadow1)}
.box-t2{box-shadow:var(--shadow2)}
.box-t3{box-shadow:var(--shadow3)}
.price-box{background:#fff;padding:12px;border-radius:8px;margin-top:10px}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.gallery img{width:100%;height:170px;object-fit:cover;border-radius:8px;cursor:pointer}
.sep{border:0;border-top:3px solid #ccc;margin:40px 0}

.share-btn{
 position:absolute;top:18px;right:18px;
 background:#06C755;color:#fff;
 padding:6px 14px;border-radius:6px;
 text-decoration:none;font-weight:bold;
 box-shadow:0 3px 10px rgba(0,0,0,0.2);
}

.floating-btn{position:fixed;right:22px;bottom:22px;background:#000;color:#fff;
 padding:12px 18px;border-radius:50px;text-decoration:none}

.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.85);
 justify-content:center;align-items:center}
.lightbox[aria-hidden="false"]{display:flex}
.lb-close{position:absolute;top:20px;right:20px;color:#fff;font-size:26px;background:none;border:0}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:none;border:0;
 color:#fff;font-size:48px}
.lb-prev{left:20px}.lb-next{right:20px}
#lbImg{max-width:90%;max-height:90%;border-radius:8px}


.floating-btn{
 z-index:9999 !important;
 animation: pulse 1.8s infinite ease-in-out;
 box-shadow:0 8px 22px rgba(0,0,0,0.25);
 border:2px solid #fff;
 font-weight:bold;
}

@keyframes pulse{
 0%{transform:scale(1);}
 50%{transform:scale(1.08);}
 100%{transform:scale(1);}
}