* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img, picture, svg, iframe {
    max-width: 100%;
    height: auto;
    display: block;
}

.page-load-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f8fafd;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-load-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-load-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #e8eef5;
    border-top-color: #0c4da2;
    border-radius: 50%;
    animation: page-load-spin 0.8s linear infinite;
}

@keyframes page-load-spin {
    to { transform: rotate(360deg); }
}


body {
    color: #333;
    line-height: 1.6;
    background-color: #f8fafd;
    font-family: 'Roboto', sans-serif;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    background-color: #0c4da2;
    color: white;
    padding: 12px 28px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.btn:hover {
    background-color: #083d87;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(12, 77, 162, 0.2);
}

.section-title {
    text-align: center;
    margin-bottom: 15px;
    font-size: 2.4rem;
    color: #0c4da2;
    position: relative;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: #0c4da2;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
    padding: 0 15px;
}

.page-title,
.section-main-title {
    text-align: center;
    padding: 1px 20px 40px;
    margin: 0 0 40px;
    color: #0c4da2;
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    position: relative;
}

.page-title::after,
.section-main-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 4px;
    background-color: #0c4da2;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.top-bar {
    background-color: #0c4da2;
    color: white;
    padding: 8px 0;
    font-size: 0.9rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.work-time {
    display: flex;
    align-items: center;
}

.work-time i {
    margin-right: 8px;
    color: #ffcc00;
}

.phone-top {
    font-weight: 700;
}

.phone-top i {
    margin-right: 8px;
    color: #ffcc00;
}

.main-header {
    background-color: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
}

.logo:hover {
    opacity: 0.8;
}

.logo-img {
    height: 60px;
    width: auto;
    margin-right: 15px;
}

.logo h1 {
    font-size: 1.8rem;
    color: #0c4da2;
    line-height: 1.2;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin: 0;
}

.logo span {
    font-size: 0.9rem;
    color: #666;
    display: block;
}

nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu > li {
    position: relative;
    margin-left: 25px;
}

.nav-menu > li > a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 8px 5px;
    transition: color 0.3s;
    position: relative;
    font-family: 'Montserrat', sans-serif;
}

.nav-menu > li > a:hover {
    color: #0c4da2;
}

.nav-menu > li > a.active {
    color: #0c4da2;
}

.nav-menu > li > a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #0c4da2;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 250px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 15px 0;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: #333;
    transition: background-color 0.3s;
    font-family: 'Roboto', sans-serif;
}

.dropdown-menu a:hover {
    background-color: #f0f7ff;
    color: #0c4da2;
}

.submenu {
    position: relative;
}

.submenu > a::after {
    content: '›';
    float: right;
    font-size: 1.2rem;
}

.submenu-content {
    position: absolute;
    top: 0;
    left: 100%;
    background-color: white;
    min-width: 250px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 15px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
}

.submenu:hover .submenu-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #0c4da2;
    cursor: pointer;
    z-index: 1001;
    position: absolute;
    right: 0;
    margin-right: 15px;
}

.banner {
    background: linear-gradient(135deg, rgb(11, 9, 143) 0%, rgb(0, 47, 255), rgba(16, 71, 255, 0.9) 100%), url('images/banner/main-banner.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.15) 100%);
    pointer-events: none;
}

.banner .container {
    position: relative;
    z-index: 1;
}

.banner-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px 25px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.banner-title {
    font-size: 3.2rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-subtitle {
    font-size: 1.6rem;
    margin-bottom: 30px;
    line-height: 1.5;
    font-weight: 500;
}

.banner-subtitle span {
    display: block;
    margin-bottom: 8px;
}

.banner-description {
    font-size: 1.3rem;
    margin-bottom: 40px;
    padding: 18px 24px;
    background-color: rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    border-left: 4px solid #ffcc00;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.banner-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    font-size: 1.2rem;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    border-radius: 4px;
}

.feature-item i {
    margin-right: 12px;
    color: #ffcc00;
    font-size: 1.3rem;
}

.advantages {
    padding: 80px 0;
    background-color: #f8fafd;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.advantage-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(12, 77, 162, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 280px;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(12, 77, 162, 0.15);
}

.advantage-icon {
    font-size: 2.8rem;
    color: #e63946;
    margin-bottom: 20px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-card p {
    color: #555;
    line-height: 1.6;
    font-size: 1rem;
}

.services-section {
    padding: 80px 0 60px;
    background-color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.service-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(12, 77, 162, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(12, 77, 162, 0.15);
    border-color: #0c4da2;
}

.service-img {
    height: 180px;
    background: linear-gradient(135deg, #0c4da2 0%, #1a6bff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3.2rem;
}

.service-content {
    padding: 22px;
    background: white;
    position: relative;
    z-index: 2;
}

.service-content h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: #0c4da2;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

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

.all-services {
    text-align: center;
    margin-top: 40px;
}

.products-section {
    padding: 80px 0 60px;
    background-color: #f8fafd;
}

.products-section .products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.products-section .product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(12, 77, 162, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #eaeaea;
    position: relative;
    height: 220px;
}

.products-section .product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(12, 77, 162, 0.15);
}

.products-section .product-img {
    height: 140px;
    background: linear-gradient(135deg, #0c4da2 0%, #1a6bff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.8rem;
}

.products-section .product-content {
    padding: 20px;
    text-align: center;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    position: relative;
    transition: background-color 0.3s ease;
}

.products-section .product-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.products-section .product-content h3 {
    font-size: 1.2rem;
    margin: 0;
    color: #0c4da2;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    position: relative;
    z-index: 2;
}

.products-section .product-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.all-products {
    text-align: center;
    margin-top: 40px;
}

.partners-section {
    padding: 80px 0;
    background-color: white;
}

.partners-container {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.partners-track {
    display: flex;
    animation: carousel 60s linear infinite;
    width: max-content;
    transform: translateZ(0);
    will-change: transform;
}

.partner-item {
    flex: 0 0 200px;
    height: 120px;
    margin: 0 20px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 15px rgba(12, 77, 162, 0.08);
    border: 1px solid #eaeaea;
    transition: transform 0.3s ease;
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(12, 77, 162, 0.15);
}

.partner-logo {
    font-weight: 600;
    color: #0c4da2;
    font-size: 1.2rem;
    font-family: 'Montserrat', sans-serif;
}

.partner-logo-img {
    max-width: 80%;
    max-height: 60%;
    object-fit: contain;
}

@keyframes carousel {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.partners-container:hover .partners-track {
    animation-play-state: paused;
}

footer {
    background-color: #0c4da2;
    color: #d1e2ff;
    padding: 60px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-company h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.footer-company p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-links h4, .footer-contact h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #d1e2ff;
    text-decoration: none;
    transition: color 0.3s;
    font-family: 'Roboto', sans-serif;
}

.footer-links ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 10px;
    color: #ffcc00;
    width: 20px;
    font-size: 1.1rem;
}

.social-icons {
    display: flex;
    margin-top: 20px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    margin-right: 10px;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: #ffcc00;
    color: #0c4da2;
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.9rem;
    color: #a0c1ff;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.overlay.active {
    display: block;
}

@media (max-width: 1200px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-section .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantage-card {
        height: 300px;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: none !important;
    }
    
    .bottom-navigation {
        display: block;
    }
    
    .bottom-nav-list {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        z-index: 1000;
        padding: 10px 0;
    }
    
    body {
        padding-bottom: 70px;
    }
    
    .header-container {
        padding: 12px 0;
    }
}

@media (max-width: 768px) {
    .banner {
        padding: 70px 0;
        background-attachment: scroll;
        backdrop-filter: none;
        background: linear-gradient(135deg, rgb(11, 9, 143) 0%, rgb(0, 47, 255) 100%);
    }
    
    .banner-content {
        padding: 20px 15px;
    }
    
    .banner-title {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-title,
    .section-main-title {
        font-size: 2rem;
        padding: 25px 15px 18px;
        margin-bottom: 24px;
    }

    .page-title::after,
    .section-main-title::after {
        bottom: 8px;
    }

    .products-section .products-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .products-section .product-card {
        height: auto;
        min-height: 240px;
        padding-bottom: 12px;
    }

    .products-section .product-content {
        height: auto;
        padding: 16px;
        align-items: flex-start;
    }

    .products-section .product-content h3 {
        font-size: 1rem;
        line-height: 1.3;
        white-space: normal;
    }

    .advantages-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .advantage-card {
        min-height: auto;
        padding: 20px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .top-bar .container {
        flex-direction: column;
        gap: 5px;
    }
    
    .logo h1 {
        font-size: 1.6rem;
    }
    
    .section-subtitle {
        margin: 0 auto 40px;
        font-size: 1rem;
        padding: 0 10px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-form input,
    .contact-form textarea {
        min-width: auto;
        width: 100%;
        word-wrap: break-word;
    }

    .partners-track {
        animation: none;
    }

    /* fix mobile performance: disable expensive theme effects */
    .banner, .partners-container, .advantage-card, .service-card, .product-card {
        will-change: auto;
        transform: translateZ(0);
    }
}


@media (max-width: 576px) {
    .page-title,
    .section-main-title {
        font-size: 1.9rem;
        padding: 40px 15px 28px;
        margin-bottom: 28px;
    }
    
    .banner-title {
        font-size: 1.8rem;
    }
    
    .banner-subtitle {
        font-size: 1.2rem;
    }
    
    .banner-description {
        font-size: 1.1rem;
        padding: 15px;
    }
    
    .feature-item {
        font-size: 1rem;
        padding: 10px 15px;
    }
    
    .service-img, .product-img {
        height: 150px;
    }
    
    .products-section .product-card {
        height: 180px;
    }

    .products-section .product-content h3 {
        font-size: 0.9rem;
        line-height: 1.2;
    }
    
    .service-card,
    .feature-item {
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 70vh;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .product-title {
        font-size: 1.1rem;
        min-height: auto;
        word-wrap: break-word;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        -webkit-box-orient: vertical;
    }
    
    .product-desc {
        font-size: 0.9rem;
        line-height: 1.4;
        word-wrap: break-word;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        line-clamp: 3;
        -webkit-box-orient: vertical;
    }
    
    .product-info {
        padding: 1rem;
    }
    
    .product-content h3 {
        font-size: 1rem;
        min-height: auto;
        word-wrap: break-word;
        overflow: visible;
        text-overflow: clip;
        display: block;
    }
    
    .product-content p {
        font-size: 0.85rem;
        line-height: 1.3;
        word-wrap: break-word;
        overflow: visible;
        text-overflow: clip;
        display: block;
    }
}

.social-icons .youtube,
.social-icons .ok {
    display: none;
}

.mobile-menu-btn {
    display: none !important;
}

.bottom-navigation {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 10px 0;
}

@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: block !important;
        position: absolute;
        right: 18px;
        top: 18px;
        z-index: 1003;
    }

    .nav-menu.active {
        display: flex !important;
        position: fixed !important;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255,255,255,0.95);
        flex-direction: column;
        padding: 80px 20px 20px;
        overflow-y: auto;
        z-index: 1002;
    }

    .nav-menu.active li {
        margin: 10px 0;
    }

    .nav-menu.active li a {
        display: block;
        padding: 12px 10px;
        font-size: 1.1rem;
        font-weight: 600;
    }

    .dropdown-menu,
    .submenu-content {
        display: block !important;
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        box-shadow: none !important;
        background: transparent !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .overlay.active {
        display: block;
        z-index: 1001;
    }
}

.bottom-nav-list {
    display: flex;
    justify-content: space-around;
    list-style: none;
    margin: 0;
    padding: 0;
}

.bottom-nav-item {
    flex: 1;
    text-align: center;
}

.bottom-nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 5px;
    text-decoration: none;
    color: #666;
    transition: color 0.3s ease;
}

.bottom-nav-link:hover,
.bottom-nav-link.active {
    color: #0c4da2;
}

.bottom-nav-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.bottom-nav-text {
    font-size: 0.65rem;
}

@media (max-width: 1024px) {
    .bottom-nav-list {
        gap: 2px;
    }
    
    .bottom-nav-text {
        font-size: 0.6rem;
    }
}

@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-btn {
        display: none !important;
    }
    
    .bottom-navigation {
        display: block;
    }
    
    .bottom-nav-list {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        z-index: 1000;
        padding: 10px 0;
    }
    
    body {
        padding-bottom: 70px;
    }
    
    .header-container {
        padding: 12px 0;
    }

    .service-card {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease; /* Уменьшили время анимации */
}

.service-card:hover {
    transform: translateY(-4px); /* Уменьшили подъем для плавности */
}

/* Оптимизация для мобильных */
@media (max-width: 768px) {
    .service-card {
        transition: none; /* Отключаем анимацию на мобилках для плавности скролла */
    }
    .service-card:hover {
        transform: none;
    }
}

/* Предзагрузка иконок сервисов */
.service-img img {
    content-visibility: auto; /* Экономит ресурсы */
    contain: strict;
}
}