.product-detail-bg{
    width: 100%;
    background-image: url(../images/product/product_bacground2026072101.png);
    background-repeat: repeat;
    background-size: cover;
}

.product-detail-section{
    width:76%;
    max-width:1600px;
    padding: 120px 0;
    margin: 0 auto;
    display:flex;
    gap:100px;
    /*padding:0 30px;*/
    
}

/* ==========================
左侧图片区域
========================== */


.product-gallery{
    width:55%;
    display:flex;
    gap:40px;
}



/* 缩略图 */

.product-thumbs{
    width:90px;
    display:flex;
    flex-direction:column;
    gap:22px;
}

.thumb{

    width:75px;
    height:75px;
    cursor:pointer;
    border:1px solid transparent;
    transition:.3s;
}


.thumb:hover{
    opacity:.7;
}


.thumb.active{
    border:1px solid #222;
}


.thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
}


/* 主图 */

.product-main-image{
    flex:1;
    height:560px;
    background:#ffffff;
    display:flex;
    align-items:center;
    justify-content:center;
}



.product-main-image img{
    max-width:90%;
    max-height:90%;
    object-fit:contain;
    animation:fade .4s;
}

@keyframes fade{

    from{
        opacity:0;
        transform:scale(.98);
    }

    to{
        opacity:1;
        transform:scale(1);
    }

}


/* ==========================
右侧商品信息
========================== */


.product-info{
    width:45%;
    padding-top:10px;
}

.product-info h1{
    font-size:29px;
    font-weight:400;
    line-height:1.15;
    letter-spacing:-1px;
    margin-bottom:19px;
    color: #000;
}


.product-desc{

    font-size:13px;
    line-height:1.5;
    max-width:550px;
    color:#333;
}


.line{

    width:100%;
    height:1px;
    background:#b7a078;
    margin:30px 0 35px;

}

.price{
    font-size: 36px;
    font-weight: 400;
    letter-spacing: 1px;
    color: #000;

}

.tax{

    margin-top:10px;
    font-size:20px;
    letter-spacing:2px;
    color:#555;
}


/* 规格按钮 */

.size{
    margin-top:30px;
    width:170px;
    height:55px;
    background:white;
    border:1px solid #333;
    font-size:18px;
    cursor:pointer;


}

/* ==========================
购买区域
========================== */

.buy-area{
    margin-top:30px;
    display:flex;
    align-items:center;
}





.quantity{
    height:58px;
    width:170px;
    border:1px solid #333;
    display:flex;
    justify-content:space-around;
    align-items:center;
}




.quantity button{
    border:none;
    background:none;
    font-size:28px;
    cursor:pointer;
}





#number{
    font-size:20px;
}





.cart-btn{
    height:60px;
    width:300px;
    background:#241c0d;
    color:#fff;
    border:none;
    font-size:25px;
    cursor:pointer;
    transition:.3s;
}

.cart-btn:hover{
    background:#3b301c;
}







/* ==========================
移动端
========================== */


@media(max-width:900px){


	.product-detail-section{
	    flex-direction: column;
        margin: 10px auto;
        width: 90%;
        gap: 20px;
        padding: 50px 0;
	}



	.product-gallery,
	.product-info{
	    width:100%;
        gap: 10px;
	}


	.product-main-image{
	    height:400px;
	}


	.product-info h1{
	    font-size:26px;
	}


	.buy-area{
	    width:100%;
	}


	.cart-btn{
	    flex:1;
        font-size: 19px;
	}


}