body {
            font-family: 'Vazirmatn', 'IRANSans', sans-serif; direction: rtl; background-color: #f8f8f8;
            display: flex; flex-direction: column; min-height: 100vh;
        }
        main.content-area-single-product { flex-grow: 1; }
        :root {
            --new-red-primary: #be1515; --new-red-darker: #a31111;
            --new-red-gradient: linear-gradient(to top, #a31111, #be1515);
            --primary-blue: #005691; --new-red-hover-bg: #fde8e8;
            --new-white: #ffffff;
        }

        /* ------------------------------------------------------------------------------------------------------------------------------------------------------ */
        .text-brand-red { color: var(--new-red-primary); }
        .bg-brand-red { background-color: var(--new-red-primary); }
        .hover\:bg-brand-red-darker:hover { background-color: var(--new-red-darker); }
        .border-brand-red { border-color: var(--new-red-primary); }
        .text-brand-blue { color: var(--primary-blue); }

        .focus\:border-brand-red:focus { border-color: var(--new-red-primary) !important; box-shadow: 0 0 0 2px rgba(190, 21, 21, 0.25) !important; }
        .focus\:ring-brand-red:focus { outline: 2px solid transparent; outline-offset: 2px; box-shadow: 0 0 0 3px rgba(190, 21, 21, 0.4); }
           /* -------------------------------------------------------------------------------------------------------------------------------------------------------- */
        .header-top-banner-container { position: relative; width: 100%; height: 70px; overflow: hidden; }
        .header-top-banner-container img { width: 100%; height: 100%; object-fit: cover; }
        .header-top-banner-text { position: absolute; inset: 0; display: flex; justify-content: center; align-items: center; color: white; text-shadow: 0 1px 3px rgba(0,0,0,0.7); }
        .header-top-banner-text h1 { font-size: 1.25rem; font-weight: 700; }
        @media (min-width: 768px) { .header-top-banner-text h1 { font-size: 1.5rem; } }
   /* -------------------------------------------------------------------------------------------------------------------------------------------------------------------- */
        nav.main-nav-single-product .nav-item-single-product { display: flex; align-items: center; padding: 0.75rem 0.6rem; text-decoration: none; color: #4B5563; font-weight: 500; font-size: 0.875rem; transition: background-color 0.3s ease, color 0.3s ease; border-radius: 0.375rem; }
        nav.main-nav-single-product .nav-item-single-product i.fas { margin-left: 0.375rem; }
        nav.main-nav-single-product .nav-item-single-product:hover { color: var(--new-red-primary); background-color: var(--new-red-hover-bg); }
        nav.main-nav-single-product .nav-item-single-product.parent-active-nav-item { color: var(--new-red-primary); font-weight: 600; border-bottom: 2px solid var(--new-red-primary); padding-bottom: calc(0.75rem - 2px); }
        nav.main-nav-single-product .nav-item-single-product.parent-active-nav-item i.fas,
        nav.main-nav-single-product .nav-item-single-product:hover i.fas { color: var(--new-red-primary); }

        nav.main-nav-single-product .header-actions-single-product a { display: flex; align-items: center; justify-content:center; padding: 0.5rem 0.75rem; border-radius: 0.375rem; text-decoration: none; font-size: 0.875rem; font-weight: 500; height: 2.75rem; transition: background-color 0.3s ease, color 0.3s ease; color: white; background-color: var(--new-red-primary); }
        nav.main-nav-single-product .header-actions-single-product a:hover { background-color: var(--new-red-darker); }
        nav.main-nav-single-product .header-actions-single-product a i.fas { color: white; }
        nav.main-nav-single-product .header-actions-single-product a.shopping-btn-single-product { position: relative; }
        nav.main-nav-single-product .header-actions-single-product #pageHeaderCartBadgeSingleProduct {
            position: absolute; top: -0.375rem; right: -0.375rem; background-color: white; color: var(--new-red-primary);
        }
    /* ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- */
        .mobile-nav-toggle-single-product { display: none; }
        @media (max-width: 767px) { nav.main-nav-single-product .desktop-nav-links-single-product { display: none; } .mobile-nav-toggle-single-product { display: block; } }
        #mobileMenuFlyoutSingleProduct a.mobile-nav-item-single-product { display: flex; align-items: center; padding: 0.75rem 1rem; border-radius: 0.375rem; font-size: 1rem; font-weight: 500; color: var(--new-red-primary); transition: background-color 0.3s ease, color 0.3s ease; }
        #mobileMenuFlyoutSingleProduct a.mobile-nav-item-single-product i.fas { margin-left: 0.5rem; }
        #mobileMenuFlyoutSingleProduct a.mobile-nav-item-single-product:hover { background-color: var(--new-red-hover-bg); }
        #mobileMenuFlyoutSingleProduct a.mobile-nav-item-single-product.parent-active-mobile-nav-item { background-color: var(--new-red-hover-bg); font-weight: 600; }
/* -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- */
        .footer-single-product-page { background-image: var(--new-red-gradient); color: #e5e5e5; }
        .footer-single-product-page .footer-contact-info-tailwind { background-color: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); color: #333; }
        .footer-single-product-page .footer-contact-info-tailwind .phone-number-tailwind { color: var(--primary-blue); }
        .footer-single-product-page .footer-contact-info-tailwind p { color: #555; }
        .footer-single-product-page .footer-column-links h3, .footer-single-product-page .footer-column-social h3, .footer-single-product-page .footer-tags-tailwind h4 { color: #ffffff; }
        .footer-single-product-page .footer-column-links ul li a, .footer-single-product-page .tag-list a, .footer-single-product-page .social-icons a { color: #d1d5db; }
        .footer-single-product-page .footer-column-links ul li a:hover, .footer-single-product-page .tag-list a:hover, .footer-single-product-page .social-icons a:hover { color: #ffffff; }
        .footer-single-product-page .tag-list a { background-color: rgba(255,255,255,0.05); }
        .footer-single-product-page .tag-list a:hover { background-color: rgba(255,255,255,0.1); }
        .footer-single-product-page .copyright-text { color: #cbd5e1; }
        .footer-single-product-page .logo-footer img { filter: brightness(0) invert(1) opacity(0.9); }
        .footer-single-product-page .trust-logos img { background-color: rgba(255,255,255,0.05); }
        .footer-single-product-page .trust-logos img:hover { background-color: rgba(255,255,255,0.1); }
        .footer-single-product-page .border-b { border-color: rgba(255,255,255,0.2); }
/* ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
        .product-gallery-main .swiper-container, .product-gallery-main.swiper { width: 100%; border-radius: 0.5rem; border: 1px solid #e5e7eb; }
        .product-gallery-main .swiper-slide { display: flex; align-items: center; justify-content: center; background-color: #f9fafb; min-height: 350px; }
        @media (min-width: 768px) { .product-gallery-main .swiper-slide { min-height: 450px; } }
        .product-gallery-main .swiper-slide img { display: block; max-width: 90%; max-height: 90%; object-fit: contain; }
        .product-gallery-thumbs .swiper-container, .product-gallery-thumbs.swiper { height: 90px; box-sizing: border-box; padding: 10px 0; }
        .product-gallery-thumbs .swiper-slide { width: 25%; height: 100%; opacity: 0.6; cursor: pointer; border: 2px solid transparent; border-radius: 0.375rem; overflow: hidden; transition: opacity 0.3s, border-color 0.3s; }
        .product-gallery-thumbs .swiper-slide img { width: 100%; height: 100%; object-fit: cover; }
        .product-gallery-thumbs .swiper-slide-thumb-active { opacity: 1; border-color: var(--new-red-primary); }
        .main-gallery-button-next, .main-gallery-button-prev { color: var(--new-red-primary); background-color: rgba(255, 255, 255, 0.8); width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 4px rgba(0,0,0,0.1); top: 50%; transform: translateY(-50%); }
        .main-gallery-button-prev { right: 10px; left: auto; } 
        .main-gallery-button-next { left: 10px; right: auto; } 
        .main-gallery-button-next::after, .main-gallery-button-prev::after { font-size: 1rem; }

        .product-tabs .product-tab-button { transition: color 0.2s, border-color 0.2s, background-color 0.2s; padding-bottom: 0.75rem; margin-left: 1.5rem; border-bottom-width: 2px; font-weight: 500; font-size: 0.95rem; color: #6b7280; border-color: transparent; }
        .product-tabs .product-tab-button:hover { color: #374151; border-color: #d1d5db; }
        .product-tabs .product-tab-button.active-tab { color: var(--new-red-primary); border-color: var(--new-red-primary); font-weight: 600; }
        .product-tabs .product-tab-button:last-child { margin-left: 0; }
        .product-tab-content { line-height: 1.75; }
        .product-tab-content ul { list-style: disc; margin-right: 1.5rem; margin-bottom: 1rem; }
        .product-tab-content ul li { margin-bottom: 0.25rem; }

        /* استایل محتوای توضیحات محصول  -----------------------------------------------------------------------------------------------------------------------------*/
        .product-description-content h2 { font-size: 1.5rem; font-weight: 700; margin-top: 1.75rem; margin-bottom: 0.75rem; color: var(--new-red-primary); border-bottom: 1px solid #e5e7eb; padding-bottom: 0.4rem; }
        .product-description-content h3 { font-size: 1.25rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.5rem; color: #374151; }
        .product-description-content p { line-height: 1.85; margin-bottom: 1.25rem; color: #4a5568; text-align: justify; font-size: 1rem; }
        @media (min-width: 768px) { .product-description-content p { font-size: 1.05rem; } }
        .product-description-content ul, .product-description-content ol { margin-bottom: 1.25rem; margin-right: 1.5rem; color: #4a5568; }
        .product-description-content ul li { list-style-type: disc; margin-bottom: 0.6rem; line-height: 1.7; }
        .product-description-content ol li { list-style-type: decimal; margin-bottom: 0.6rem; line-height: 1.7; }
        .product-description-content blockquote { border-right: 3px solid var(--new-red-primary); padding-right: 1rem; padding-left: 1rem; margin: 1.25rem 0; font-style: italic; color: #555; background-color: #f9fafb; padding-top: 0.5rem; padding-bottom: 0.5rem; border-radius: 0 0.25rem 0.25rem 0;}
        .product-description-content img.inline-product-image { max-width: 80%; height: auto; border-radius: 0.375rem; margin: 1.25rem auto; display: block; box-shadow: 0 4px 8px rgba(0,0,0,0.08); }
        .article-tags a { background-color: #eef2f7; color: #4a5568; padding: 0.3rem 0.85rem; border-radius: 9999px; font-size: 0.8rem; transition: background-color 0.2s, color 0.2s, box-shadow 0.2s; border: 1px solid #dee2e6; }
        .article-tags a:hover { background-color: var(--new-red-primary); color: white; border-color: var(--new-red-primary); box-shadow: 0 2px 5px rgba(190, 21, 21, 0.2); }
        .share-buttons a { transition: transform 0.2s ease-out, color 0.2s ease-out; }
        .share-buttons a:hover { transform: translateY(-2px) scale(1.05); }
        .share-buttons .fa-whatsapp:hover { color: #25D366; } .share-buttons .fa-telegram-plane:hover { color: #0088cc; } .share-buttons .fa-twitter:hover { color: #1DA1F2; }

        /* استایل کارت محصولات مشابه در اسلایدر ---------------------------------------------------------------------------------------------------------------------*/
        .related-products-swiper .swiper-slide { height: auto; display: flex; }
        .related-product-card {
            min-height: 430px; 
            width: 100%;
            display: flex; flex-direction: column;
            background-color: white; border-radius: 0.75rem;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
            overflow: hidden; transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
        }
        .related-product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
        }
        .related-product-card .product-image-container {
            height: 200px; overflow: hidden; background-color: #f3f4f6;
            display:flex; align-items:center; justify-content:center;
            border-top-left-radius: 0.75rem; border-top-right-radius: 0.75rem;
        }
        .related-product-card .product-image-container img {
            max-width: 100%; max-height: 100%; object-fit: contain;
            transition: transform 0.3s ease-out;
        }
        .related-product-card:hover .product-image-container img { transform: scale(1.05); }
        .related-product-card .product-title-fixed-height {
            height: 3.2rem; -webkit-line-clamp: 2; display: -webkit-box; -webkit-box-orient: vertical;
            overflow: hidden; text-overflow: ellipsis; line-height: 1.6rem;
             font-size: 0.875rem; 
             font-weight: 600;
        }
        .related-product-card .product-details { flex-grow: 1; display: flex; flex-direction: column; padding: 1rem; }
        .related-product-card .price-section { margin-top: auto; padding-top: 0.5rem; }
        .related-products-swiper .swiper-pagination {
             position: static; 
             margin-top: 1rem; 
        }
        .related-products-swiper .swiper-pagination-bullet-active { background-color: var(--new-red-primary) !important; }

        .section-title-underline::after { content: ''; display: block; width: 70px; height: 3px; background-color: var(--new-red-primary); margin: 8px auto 0; }