.product_preview{
    padding: 23px 0 75px;
}
.product_preview .breadcrumbs{
    margin-bottom: 96px;
}
.product_preview .left{
    width: 43.75%;
}
.product_preview .right{
    width: 51.73%;
}
.product_preview .left .swiper_preview{
    overflow: hidden;
    margin-bottom: 16px;
}
.product_preview .left .swiper_preview .img{
    aspect-ratio: 628/534;
    background-color: #F4F4F4;
}
.product_preview .left .swiper_thumbs{
    overflow: hidden;
}
.product_preview .left .swiper_thumbs .img{
    aspect-ratio: 143/106;
    background-color: #F4F4F4;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
}


.product_preview .left .swiper_thumbs .swiper-slide-thumb-active{
    border-color: var(--primary);
}

.product_preview .right h1{
    font-size: 50px;
    line-height: 54px;
    color: #0a0a0a;
    margin-top: 10px;
}
.product_preview .right .cat{
    color: #626468;
}
.product_preview .right>p{
    margin-top: 29px;
    font-size: 18px;
    line-height: 26px;
    color: #42454d;
    margin-bottom: 35px;
}
.product_preview .right .attrs{
    border: 1px solid #e4e4e4;
    display: grid;
    grid-template-columns: repeat(2,1fr);
    border-bottom: none;
    border-right: none;
    margin-bottom: 25px;
}
.product_preview .right .attrs .item{
    padding: 17px 19px;
    border-bottom: 1px solid #e4e4e4;
    border-right: 1px solid #e4e4e4;
}
.product_preview .right .attrs span{
    font-size: 12px;
    font-weight: 600;
    color: #999999;
    display: inline-block;
    letter-spacing: 1px;
}
.product_preview .right .attrs p{
    font-size: 18px;
    color: #0d0d0d;
    font-weight: 700;
    margin-top: 10px;
}
.product_preview .right .info{
    display: flex;
    gap: 55px;
    padding: 17px 19px;
    background-color: #F4F4F4;
    border: 1px solid #e4e4e4;
    margin-bottom: 43px;
}
.product_preview .right .info .item span{
    font-size: 14px;
    color: #6b6b6b;

}
.product_preview .right .info .item p{
    font-size: 18px;
    font-weight: 700;
    color: #0d0d0d;
    margin-top: 6px;
}
.product_preview .right .btns{
    display: flex;
    gap: 12px;
}
.product_preview .right .btns .btn{
    flex: 1;
    text-align: center;
    clip-path: none;
    justify-content: center;
    cursor: pointer;
}
.product_preview .right .btns .btn:after{
    display: none;
}
.product_preview .right .btns .btn.black{
    background-color: #0D0D0D;
}
.product_preview .right .btns .btn:hover{
    background-color: #0D0D0D;
    color: white;
}
.product_preview .right .btns .btn.black:hover{
    background-color: var(--primary);
}
.product_preview .right .tech{
    font-size: 14px;
    color: #626468;
    margin-top: 18px;
    display: flex;
    align-items: center;
}
.product_preview .right .tech:before{
    content: "";
    width: 13px;
    height: 13px;
    display: inline-block;
    background: url('../img/icon_download.svg') no-repeat center/contain;
    margin-right: 10px;
}
.product_preview .right .tech a{
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    margin-left: 10px;
    display: flex;
    align-items: center;
}
.product_preview .right .tech a:after{
    content: "";
    width: 12px;
    height: 12px;
    display: inline-block;
    margin-left: 8px;
    background: url('../img/new_blank.svg') no-repeat center/contain;
}

.product_spec{
    padding: 145px 0;
    background-color: #F4F4F4;
}
.product_spec .head{
    margin-bottom: 25px;
}
.product_spec .nav{
    background-color: white;
    border: 1px solid #e4e4e4;
    margin-bottom: 20px;
    border-right: none;
}
.product_spec .nav .item{
    text-align: center;
    flex: 1;
    padding: 15px;
    border-right: 1px solid #e4e4e4;
    cursor: pointer;
}
.product_spec .nav .item p{
    font-size: 18px;
    font-weight: 600;
    color: #0d0d0d;
    margin-bottom: 3px;
}

.product_spec .nav .item span{
    font-size: 15px;

    color: #6b6b6b;
}
.product_spec .nav .item.active p{
    color: var(--primary);
}

.product_spec .nav .item.active{
    outline: 2px solid var(--primary);
}
.product_spec .panels .panel{
    display: none;
}
.product_spec .panels .panel.active{
    display: block;
}
.product_spec .info{
    background-color: white;
    padding: 26px 32px 20px;
    padding-right: 120px;
    justify-content: space-between;
}
.product_spec .info .flex{
    display: flex;
    gap: 53px;
}
.product_spec .info strong{
    font-size: 21px;
    font-weight: 700;
    color: #0d0d0d;
}
.product_spec .info span{
    font-size: 15px;
    color: #6b6b6b;
}
.product_spec .info p{
    font-weight: 700;
    font-size: 15px;
    margin-top: 10px;
    color: #0d0d0d;
}

.product_spec table th{
    line-height: 60px;
    padding: 0 30px;
    background-color: #0D0D0D;
    color: white;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-align: left;
    border: 1px solid #0D0D0D;
}
.product_spec table td{
    background-color: white;
    line-height: 64px;
    padding: 0 30px;
    border-bottom: 1px solid #e4e4e4;
    font-weight: 400;
    transition: all 0.3s;
}
.product_spec table tr td:nth-of-type(1){
    font-weight: 600;
}
.product_spec table tr td:nth-of-type(2){
    color: var(--primary);
    font-weight: 700;
}
.product_spec table tr:hover td{
    background-color: #FCF2F3;
}
.product_spec .bottom{
    padding: 22px 30px;
    background-color: white;
    border: 1px solid #e4e4e4;
}
.product_spec .bottom p{
    font-size: 15px;
    color: #6b6b6b;
}
.product_spec .bottom .btn_border{
    display: flex;
    align-items: center;
    line-height: 52px;
    font-size: 15px;
    letter-spacing: 1px;
}
.product_spec .bottom .btn_border:before{
    content: "";
    width: 17px;
    height: 17px;
    display: inline-block;
    margin-right: 20px;
    transition: all 0.3s;
    background: url('../img/file.svg') no-repeat center/contain;
}
.product_spec .bottom .btn_border:hover:before{
    filter: brightness(100);
}

.product_spec .tips{
    margin-top: 22px;
    font-size: 15px;
    line-height: 18px;
    color: #6b6b6b;
}
.product_spec .tips p + p{
    margin-top: 5px;
}


.page_products{
    padding: 150px 0 160px;
}
.page_products .head{
    margin-bottom: 40px;
}

/* ------------------------------------------------------------------
   Responsive
   ------------------------------------------------------------------ */
@media screen and (max-width: 1500px) {
  .product_preview .right .info {
    flex-wrap: wrap;
    gap: 18px 40px;
  }
}
@media screen and (max-width: 1024px) {
  .product_preview .breadcrumbs {
    margin-bottom: 40px;
  }
  .product_preview .right h1 {
    font-size: 40px;
    line-height: 44px;
  }
  .product_spec {
    padding: 90px 0;
  }
  .page_products {
    padding: 100px 0;
  }
}
@media screen and (max-width: 768px) {
  /* Preview */
  .product_preview {
    padding: 20px 0 50px;
  }
  .product_preview .breadcrumbs {
    margin-bottom: 30px;
  }
  .product_preview .main {
    flex-direction: column;
    gap: 30px;
  }
  .product_preview .left,
  .product_preview .right {
    width: 100%;
  }
  .product_preview .right h1 {
    font-size: 28px;
    line-height: 1.2;
  }
  .product_preview .right > p {
    font-size: 15px;
    line-height: 24px;
    margin-top: 20px;
    margin-bottom: 24px;
  }
  .product_preview .right .attrs {
    margin-bottom: 20px;
  }
  .product_preview .right .attrs p {
    font-size: 16px;
  }
  .product_preview .right .info {
    gap: 24px;
    padding: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
  }
  .product_preview .right .info .item p {
    font-size: 16px;
  }
  .product_preview .right .btns {
    gap: 10px;
  }
  /* Spec */
  .product_spec {
    padding: 50px 0;
  }
  .product_spec .head {
    margin-bottom: 20px;
  }
  .product_spec .nav {
    overflow-x: auto;
  }
  .product_spec .nav::-webkit-scrollbar {
    display: none;
  }
  .product_spec .nav .item {
    flex: 0 0 auto;
    min-width: 130px;
    padding: 12px;
  }
  .product_spec .nav .item p {
    font-size: 16px;
  }
  .product_spec .nav .item span {
    font-size: 13px;
  }
  .product_spec .info {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
  }
  .product_spec .info strong {
    font-size: 18px;
  }
  .product_spec .info .flex {
    flex-wrap: wrap;
    gap: 16px 24px;
  }
  /* Table → horizontal scroll */
  .product_spec .table {
    overflow-x: auto;
  }
  .product_spec .table table {
    min-width: 560px;
  }
  .product_spec table th {
    line-height: 48px;
    padding: 0 16px;
    font-size: 13px;
  }
  .product_spec table td {
    line-height: 48px;
    padding: 0 16px;
  }
  .product_spec .bottom {
    flex-wrap: wrap;
    gap: 12px;
    padding: 20px;
  }
  .product_spec .bottom .btn_border {
    line-height: 46px;
  }
  .product_spec .tips {
    font-size: 13px;
  }
  /* Products listing */
  .page_products {
    padding: 50px 0;
  }
  .page_products .head {
    margin-bottom: 24px;
  }
}
@media screen and (max-width: 576px) {
  .product_preview .right .btns {
    flex-direction: column;
  }
}