.product-detail-container{
max-width:1100px;
margin:auto;
font-family:Arial,Helvetica,sans-serif;
line-height:1.9;
color:#111;
font-size:17px;
}

.section{
margin-top:60px;
}

.section h2{
font-size:30px;
margin-bottom:18px;
font-weight:700;
}

.section h3{
font-size:22px;
margin-bottom:12px;
}

.grid-2{
display:grid;
grid-template-columns:1fr 1fr;
gap:40px;
align-items:center;
}

.grid-3{
display:grid;
grid-template-columns:1fr 1fr 1fr;
gap:30px;
}

.feature-box{
border:1px solid #ddd;
padding:24px;
border-radius:6px;
font-size:17px;
}

.product-img{
width:100%;
border-radius:6px;
}

.spec-table{
width:100%;
border-collapse:collapse;
margin-top:25px;
font-size:16px;
}

.spec-table th,
.spec-table td{
border:2px solid #000;
padding:12px;
text-align:center;
}

.spec-table th{
background:#f2f2f2;
font-weight:600;
}

.contact-box{
border:2px solid #000;
padding:35px;
text-align:center;
margin-top:50px;
font-size:18px;
}

.contact-box h2{
font-size:28px;
}

ul{
font-size:17px;
}

ol{
font-size:17px;
}

@media(max-width:768px){

.grid-2,
.grid-3{
grid-template-columns:1fr;
}

.section h2{
font-size:26px;
}

}