.tong .quan a.wrapper{
    position: relative;
    display: block;
    overflow: hidden;
}
.tong .quan a.wrapper:before {
    content: '';
    display: block;
    padding-bottom: 71%;
}
.tong .quan a.wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block; 
}
.le-nav .slide-item {
    cursor: pointer;
}
.le-nav .slide-item {
    flex: 25%;
    max-width: 25%;
    position: relative;
    padding: 10px;
}
.le-nav .slide-item.slick-current.slick-active:after {
    opacity: 0;
}
.le-nav .slide-item:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000000f5;
    opacity: 0.8;
    z-index: 3;
}
.content_single_project .quan .img, .content_single_project .le-nav .img {
    position: relative;
}
.content_single_project .le-nav .img:before {
    content: '';
    display: block;
    padding-bottom: 55%;
}
.content_single_project .quan .img img, .content_single_project .le-nav .img img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    object-fit: cover;
}
.dialog-type-lightbox { background-color: initial!important; display: none!important; }
div#elementor-lightbox-slideshow-single-img .swiper-slide.elementor-lightbox-item.swiper-slide-active .swiper-zoom-container { display: none; }
.col-6.righ_product_dv {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.product_inf h2 {
    color: var(--main_bgr);
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
    margin-bottom: 15px;
}
.related_project {
    padding-top: 50px;
    margin-top: 50px;
    border-top: 1px solid #ccc;
}
.related_project .section-title {
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--main_bgr);
}
.related_project .slide_wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.related_project .slide_wrapper .padding_ratio:before {
    padding-bottom: 70%;
}
.related_project .project_title {
    text-align: center;
    padding: 10px;
    font-weight: 700;
    font-size: 18px;
    color: #000;
}
.related_project .slide-item {
    padding: 0;
}
.related_project .slide_wrapper {
    padding-right: 10px;
}

@media (max-width: 640px){
    .content_single_project .le-nav .img:before {
        padding-bottom: 70%;
    }
    .col-6.left_product_dv, .col-6.righ_product_dv {
        padding-left: 10px;
        padding-right: 10px;
    }
    .righ_product_dv {
        padding-top: 20px;
    }
    .related_project {
        margin-top: 15px;
        padding-top: 15px;
    }
}