.product-detail-section{padding:50px 0 100px;background-color:var(--bg-color);overflow:visible}.product-detail-section .col-lg-6:first-child{display:flex;flex-direction:column}.product-gallery-wrapper{position:sticky;top:120px;max-height:calc(100vh - 120px);overflow-y:auto;overflow-x:hidden;z-index:10}.gallery-container{display:flex;gap:15px}.thumbnails-slider-wrapper{width:54px;flex-shrink:0;position:relative;height:calc(100% - 30px)}.thumbnails-swiper{height:450px;width:100%}.thumbnails-swiper .swiper-wrapper{flex-direction:column;align-items:center}.thumbnail-slide{width:50px!important;height:50px!important;border-radius:10px;overflow:hidden;cursor:pointer;border:2px solid transparent;transition:all .3s ease;background:var(--card-bg);position:relative}.thumbnail-slide img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.thumbnail-slide:hover{border-color:var(--primary-color);transform:scale(1.05)}.thumbnail-slide.swiper-slide-thumb-active{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.2)}.thumbnail-video-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:36px;height:36px;background:rgba(255,0,0,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;z-index:2}.video-thumbnail-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#1a1a2e 0,#16213e 100%);z-index:1}.main-slider-wrapper{flex:1;position:relative;border-radius:16px;overflow:hidden;background:var(--card-bg)}.main-slider-wrapper .main-nav-next,.main-slider-wrapper .main-nav-prev,.main-slider-wrapper .zoom-btn{opacity:0;visibility:hidden}.main-slider-wrapper:hover .main-nav-next,.main-slider-wrapper:hover .main-nav-prev,.main-slider-wrapper:hover .zoom-btn{opacity:1;visibility:visible}.main-swiper{width:100%;height:500px}.main-slide{display:flex;align-items:center;justify-content:center}.image-slide-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;cursor:zoom-in}.main-gallery-image{width:100%;height:100%;object-fit:contain;transition:transform .5s ease}.main-slide:hover .main-gallery-image{transform:scale(1.02)}.video-slide-container{width:100%;height:100%;position:relative}.video-slide-container iframe{width:100%;height:100%;border:none}.zoom-btn{position:absolute;top:15px;right:15px;width:44px;height:44px;background:var(--bg-color);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .3s ease;color:var(--text-color);font-size:16px;box-shadow:0 4px 15px rgba(0,0,0,.15)}.zoom-btn:hover{background:var(--primary-color);color:#fff;transform:scale(1.1)}.fullscreen-btn{display:none}.main-nav-next,.main-nav-prev{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;background:var(--bg-color);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:all .3s ease;color:var(--text-color);font-size:16px;box-shadow:0 4px 15px rgba(0,0,0,.15)}.main-nav-prev{left:15px}.main-nav-next{right:15px}.main-nav-next:hover,.main-nav-prev:hover{background:var(--primary-color);color:#fff}.main-nav-next.swiper-button-disabled,.main-nav-prev.swiper-button-disabled{opacity:.3;cursor:not-allowed}.main-swiper .swiper-pagination{bottom:15px}.video-slide-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#000}.video-slide-container iframe{width:100%;height:100%;border:none}.image-slide-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:var(--card-bg)}.main-gallery-image{max-width:100%;max-height:100%;object-fit:contain;transition:transform .3s ease}.thumbnail-video-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:28px;height:28px;background:rgba(var(--primary-rgb),.9);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;z-index:2}.video-thumbnail-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(0,0,0,.3),rgba(0,0,0,.1));border-radius:8px}.main-swiper .swiper-pagination-bullet{width:10px;height:10px;background:rgba(255,255,255,.5);opacity:1}.main-swiper .swiper-pagination-bullet-active{background:var(--primary-color);width:25px;border-radius:5px}.image-counter{display:flex;align-items:center;justify-content:center;gap:5px;position:absolute;bottom:0;font-size:14px;color:var(--text-secondary);padding:2px 10px;border-radius:12px;background:var(--primary-color);color:#fff}.image-counter .current-index{font-weight:700;color:var(--primary-color)}.image-counter .separator{color:var(--text-secondary)}.gallery-zoom-modal{position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,.95);z-index:9999;display:none;flex-direction:column;padding:0;opacity:0;transition:opacity .3s ease}.gallery-zoom-modal.active{display:flex;opacity:1}.zoom-modal-header{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:15px 20px;z-index:10002;background:linear-gradient(to bottom,rgba(0,0,0,.7),transparent)}.zoom-image-counter{color:#fff;font-size:14px;font-weight:500;background:rgba(255,255,255,.1);padding:8px 16px;border-radius:20px;backdrop-filter:blur(10px)}.zoom-modal-close{width:44px;height:44px;background:rgba(255,255,255,.1);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;font-size:20px;transition:all .3s ease;backdrop-filter:blur(10px)}.zoom-modal-close:hover{background:rgba(255,255,255,.2);transform:rotate(90deg)}.zoom-modal-content{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.zoom-image-wrapper{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%;overflow:hidden}.zoom-modal-image{max-width:90vw;max-height:85vh;object-fit:contain;transform-origin:center center;transition:transform .2s ease;cursor:zoom-in;user-select:none;-webkit-user-drag:none}.zoom-modal-image.zoomed{cursor:grab}.zoom-modal-image.dragging{cursor:grabbing;transition:none}.zoom-nav-next,.zoom-nav-prev{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;background:rgba(255,255,255,.1);border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;font-size:20px;transition:all .3s ease;z-index:10001;backdrop-filter:blur(10px)}.zoom-nav-prev{left:20px}.zoom-nav-next{right:20px}.zoom-nav-next:hover,.zoom-nav-prev:hover{background:rgba(255,255,255,.2);transform:translateY(-50%) scale(1.1)}.zoom-controls{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:12px;z-index:10001;background:rgba(0,0,0,.5);padding:10px 15px;border-radius:30px;backdrop-filter:blur(10px)}.zoom-control-btn{width:44px;height:44px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#fff;font-size:16px;transition:all .3s ease}.zoom-control-btn:hover{background:rgba(255,255,255,.25);transform:scale(1.1)}.zoom-level-indicator{display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:500;min-width:50px}.detail-product-info{padding-left:30px}.detail-product-badge{margin-bottom:15px}.badge-text{display:inline-block;padding:5px 15px;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));color:#fff;font-size:.8rem;font-weight:600;border-radius:20px;text-transform:uppercase;letter-spacing:1px}.detail-product-title{font-size:2.5rem;font-weight:700;color:var(--text-color);margin-bottom:15px;line-height:1.2;word-break:break-word}.detail-product-price{display:flex;align-items:baseline;gap:10px;margin-bottom:25px}.detail-current-price{font-size:2.5rem;font-weight:700;color:var(--primary-color)}.price-unit{font-size:1.1rem;color:var(--text-light)}.old-price{font-size:1.2rem;color:var(--text-light);text-decoration:line-through}.detail-product-features{margin-bottom:30px}.detail-product-features .feature-item{display:flex;align-items:flex-start;gap:15px;margin-bottom:20px;padding:15px;background-color:var(--bg-light);border-radius:10px;transition:all .3s ease}.detail-product-features .feature-item:hover{transform:translateX(5px);box-shadow:var(--shadow-sm)}.detail-product-features .feature-icon{width:50px;height:50px;background-color:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin:0}.detail-product-features .feature-icon i{font-size:1.2rem;color:var(--primary-color)}.detail-product-features .feature-content h4{font-size:1.1rem;font-weight:600;margin-bottom:5px;color:var(--primary-color)}.detail-product-features .feature-content p{font-size:.9rem;color:var(--text-light);margin:0}.detail-product-options{margin-bottom:30px}.option-group{margin-bottom:25px}.option-label{display:block;font-weight:600;color:var(--text-color);margin-bottom:10px}.quantity-selector{display:flex;align-items:center;gap:15px;margin-bottom:10px}.quantity-btn{width:40px;height:40px;border:none;background-color:var(--primary-light);color:var(--primary-color);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;font-weight:600}.quantity-btn:hover{background-color:var(--primary-color);color:#fff;transform:scale(1.1)}.quantity-input{width:80px;height:40px;text-align:center;border:2px solid var(--border-color);border-radius:10px;background-color:var(--input-bg);color:var(--text-color);font-weight:600}.quantity-input:focus{outline:0;border-color:var(--primary-color)}.quantity-note{color:var(--text-light);font-size:.85rem}.detail-product-actions{display:flex;align-items:center;gap:15px;margin-bottom:30px;flex-wrap:wrap}.btn-quote{min-width:180px;height:50px;font-size:1rem;font-weight:600}.quick-contact{background-color:var(--bg-light);border-radius:15px;padding:20px;border-left:4px solid var(--primary-color)}.contact-header{display:flex;align-items:center;gap:10px;margin-bottom:15px}.contact-header i{color:var(--primary-color);font-size:1.2rem}.contact-header h4{margin:0;font-size:1.1rem;color:var(--text-color)}.contact-info{display:flex;flex-direction:column;gap:10px}.contact-item{display:flex;align-items:center;gap:10px}.contact-item i{color:var(--primary-color);width:20px}.contact-item a{color:var(--text-color);text-decoration:none;font-weight:500;transition:color .3s ease}.contact-item a:hover{color:var(--primary-color)}.detail-product-tabs-section{padding:50px 0}.detail-product-tabs-wrapper{background-color:var(--card-bg);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.detail-product-nav-tabs{border-bottom:2px solid var(--border-color);background-color:var(--bg-light);padding:0 30px}.detail-product-nav-tabs .nav-link{border:none;color:var(--text-light);font-weight:600;padding:20px 25px;border-radius:0;position:relative;display:flex;align-items:center;gap:8px;transition:all .3s ease}.detail-product-nav-tabs .nav-link:hover{color:var(--primary-color);background-color:transparent}.detail-product-nav-tabs 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td:first-child{font-weight:600;color:var(--text-color)}.applications-grid{margin-top:30px}.application-card{background-color:var(--bg-light);border-radius:15px;padding:25px;text-align:center;height:100%;transition:all .3s ease;border:2px solid transparent}.application-card:hover{transform:translateY(-5px);border-color:var(--primary-color);box-shadow:var(--shadow)}.application-icon{width:60px;height:60px;background-color:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}.application-icon i{font-size:1.5rem;color:var(--primary-color)}.application-card h4{color:var(--text-color);margin-bottom:15px}.application-card ul{list-style:none;padding:0;text-align:left}.application-card ul li{color:var(--text-light);margin-bottom:8px;padding-left:15px;position:relative}.application-card ul 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.products-content{width:100%}@media (min-width:1401px){.related-products-section .product-grid{grid-template-columns:repeat(4,1fr)!important}}@media (min-width:1201px) and (max-width:1400px){.related-products-section .product-grid{grid-template-columns:repeat(3,1fr)!important}}@media (min-width:992px) and (max-width:1200px){.related-products-section .product-grid{grid-template-columns:repeat(3,1fr)!important;gap:15px!important}}@media (min-width:769px) and (max-width:991px){.related-products-section .product-grid{grid-template-columns:repeat(3,1fr)!important}}@media (max-width:768px){.related-products-section .product-grid{grid-template-columns:repeat(2,1fr)!important;gap:12px!important}}@media (max-width:576px){.related-products-section .product-grid{grid-template-columns:repeat(2,1fr)!important;gap:10px!important}}@media (max-width:375px){.related-products-section .product-grid{gap:8px!important}}@media (max-width:991.98px){.detail-product-info{padding-left:0;margin-top:30px}.detail-product-gallery-wrapper{position:relative;top:auto}.gallery-container{flex-direction:row}.thumbnails-swiper{height:350px}.main-swiper{height:400px}.detail-product-title{font-size:2rem}.detail-current-price{font-size:2rem}.detail-product-nav-tabs{padding:0 15px}.detail-product-nav-tabs .nav-link{padding:15px 10px;font-size:.9rem}.detail-product-tab-content{padding:30px 20px}}@media (max-width:767.98px){.gallery-container{flex-direction:column}.thumbnails-slider-wrapper{display:none!important}.main-slider-wrapper{border-radius:12px}.main-swiper{height:350px}.fullscreen-btn,.zoom-btn{width:40px;height:40px;font-size:14px}.fullscreen-btn{right:60px}.image-counter{display:none!important}.detail-product-title{font-size:1.8rem}.detail-current-price{font-size:1.8rem}.detail-product-actions{flex-direction:column;align-items:stretch}.btn-quote{min-width:auto;width:100%}.detail-action-icons{justify-content:center;margin-top:15px}.detail-product-nav-tabs .nav-link{padding:12px 8px;font-size:.8rem}.detail-product-nav-tabs .nav-link i{display:none}.fullscreen-nav-next,.fullscreen-nav-prev{width:45px;height:45px;font-size:18px}.fullscreen-nav-prev{left:15px}.fullscreen-nav-next{right:15px}}@media (max-width:575.98px){.main-swiper{height:300px}.zoom-btn{top:10px;right:10px;width:36px;height:36px;font-size:13px}.fullscreen-btn{top:10px;right:52px;width:36px;height:36px;font-size:13px}.detail-product-title{font-size:1.5rem}.detail-current-price{font-size:1.5rem}.detail-product-features .feature-item{padding:10px}.detail-product-features .feature-icon{width:40px;height:40px}.detail-product-features .feature-icon i{font-size:1rem}.color-options{justify-content:center}.detail-product-nav-tabs{white-space:nowrap}.detail-product-nav-tabs .nav-link{display:inline-flex;min-width:auto}.application-card,.certificate-card{margin-bottom:20px}.tab-content-wrapper h3{font-size:1.5rem}.contact-info{text-align:center}.contact-item{justify-content:center}.zoom-controls{bottom:20px;gap:10px}.zoom-control-btn{width:44px;height:44px;font-size:16px}.zoom-modal-close{top:15px;right:15px;width:44px;height:44px;font-size:20px}}*{transition:color .3s ease,background-color .3s ease,border-color .3s ease,transform .3s ease,box-shadow .3s ease}body.modal-open{overflow:hidden}