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

    body {
        font-family: Arial, sans-serif;
        color: #333;
        line-height: 1.5;
        background-color: #fff;
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: all 0.2s ease;
    }

    .container-pkmm4 {
        max-width: 1140px;
        margin: 0 auto;
        padding: 20px 20px;
    }

    h1, h2, h3, h4 {
        font-weight: bold;
        color: #000;
    }

    h2 {
        text-align: center;
        font-size: 32px;
        margin-bottom: 25px;
    }

    p {
        margin-bottom: 15px;
        font-size: 16px;
    }

    .hero-pkmm4 {
        background-color: #122538;
        color: #fff;
        padding: 10px 0;
    }

    .hero-layout-pkmm4 {
        display: flex;
        align-items: center;
        gap: 60px;
    }

    .hero-text-pkmm4 {
        flex: 1;
    }

    .hero-image-frame-pkmm4 {
        flex: 0 0 500px;
        height: 350px;
        border: 8px solid #fff;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    }

        .hero-image-frame-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

    .hero-pkmm4 h1 {
        color: #fff;
        font-size: 42px;
        line-height: 1.2;
        margin-bottom: 25px;
    }

    .hero-pkmm4 p {
        font-size: 18px;
        opacity: 0.9;
        margin-bottom: 40px;
        line-height: 1.6;
    }

    .flex-row-pkmm4 {
        display: flex;
        gap: 50px;
        margin: 15px 0;
        align-items: center;
    }

        .flex-row-pkmm4.reverse {
            display: flex;
            flex-direction: row-reverse;
            align-items: center;
        }

    .col-image-pkmm4, .col-text-pkmm4 {
        flex: 1;
    }

    .text-block-beige-pkmm4 {
        background-color: #f5f7fa;
        padding: 50px;
        border-radius: 4px;
    }

    .image-stack-pkmm4 {
        display: flex;
        flex-direction: column !important;
        gap: 30px;
    }

    .img-large-pkmm4 {
        width: 100%;
        height: 350px;
        border-radius: 4px;
        overflow: hidden;
    }

        .img-large-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .img-large-pkmm4:hover img {
            transform: scale(1.05);
        }

    .img-sub-row-pkmm4 {
        display: flex;
        gap: 15px;
    }

    .img-small-pkmm4 {
        flex: 1;
        height: 200px;
        border-radius: 4px;
        overflow: hidden;
    }

        .img-small-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .img-small-pkmm4:hover img {
            transform: scale(1.05);
        }

    .img-zoom-container-pkmm4 {
        overflow: hidden;
        border-radius: 4px;
    }

        .img-zoom-container-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .img-zoom-container-pkmm4:hover img {
            transform: scale(1.05);
        }

    .principles-section-pkmm4 h2 {
        text-align: center;
        margin-bottom: 30px;
    }

    .principles-list-pkmm4 {
        margin-inline: 40px;
        list-style: none;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 100px;
        padding: 0;
    }

        .principles-list-pkmm4 li {
            position: relative;
            padding-left: 25px;
            font-size: 15px;
            line-height: 1.5;
        }

            .principles-list-pkmm4 li::before {
                content: '●';
                color: #f6851d;
                position: absolute;
                left: 0;
                font-size: 18px;
                top: -2px;
            }

    .features-list-pkmm4 {
        list-style: none;
        margin-top: 30px;
    }

    .feature-item-pkmm4 {
        display: flex;
        gap: 20px;
        margin-bottom: 35px;
        align-items: flex-start;
    }

    .feature-icon-pkmm4 {
        width: 50px;
        height: 50px;
        background-color: #122538;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 24px;
        flex-shrink: 0;
    }

    .feature-text-pkmm4 h4 {
        font-size: 18px;
        margin-bottom: 5px;
    }

    .feature-text-pkmm4 p {
        font-size: 14px;
        color: #555;
        margin-bottom: 0;
        line-height: 1.4;
    }

    .main-feature-img-pkmm4 {
        width: 100%;
        height: 450px;
        border-radius: 4px;
        overflow: hidden;
    }

        .main-feature-img-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .main-feature-img-pkmm4:hover img {
            transform: scale(1.05);
        }

    .services-section-pkmm4 {
        padding: 50px 0;
    }

    .services-grid-pkmm4 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        margin-top: 50px;
    }

    .service-card-pkmm4 {
        background-color: #fff;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        display: flex;
        flex-direction: column;
    }

    .card-image-pkmm4 {
        width: 100%;
        height: 220px;
        border-radius: 8px;
        overflow: hidden;
    }

        .card-image-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .card-image-pkmm4:hover img {
            transform: scale(1.05);
        }

    .card-content-pkmm4 {
        padding: 25px;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }

        .card-content-pkmm4 h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }

    .card-features-pkmm4 {
        list-style: none;
        margin-bottom: 20px;
        font-size: 14px;
        color: #666;
    }

        .card-features-pkmm4 li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 20px;
        }

            .card-features-pkmm4 li::before {
                content: '✓';
                color: #122538;
                position: absolute;
                left: 0;
            }

    .card-price-pkmm4 {
        font-size: 20px;
        font-weight: bold;
        color: #f6851d;
        margin-top: auto;
        margin-bottom: 20px;
    }

    .btn-card-pkmm4 {
        width: 100%;
        background-color: #122538;
        color: #fff;
        border: none;
        padding: 12px;
        border-radius: 4px;
        font-weight: bold;
        cursor: pointer;
        font-size: 15px;
        transition: all 0.3s ease;
        display: inline-block;
        text-align: center;
    }

    .btn-card-pkmm4:hover {
        color: white;
        background-color: #213e5e;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }

    .btn-card-pkmm4:active {
        transform: translateY(0) scale(0.96);
    }

    .btn-orange-pkmm4 {
        background-color: #f6851d;
        color: #fff;
        border: none;
        padding: 12px;
        border-radius: 4px;
        font-weight: bold;
        cursor: pointer;
        font-size: 15px;
        transition: all 0.3s ease;
        display: inline-block;
        text-align: center;
    }

    .btn-orange-pkmm4:hover {
        color: white;
        background-color: #e0781b;
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    }

    .btn-orange-pkmm4:active {
        transform: translateY(0) scale(0.96);
    }

    .btn-catalog-pkmm4 {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 300px;
        height: 240px;
        border: 6px solid #fff;
        border-radius: 8px;
        background-image: url('https://pkmm.ru/image/catalog/category/Profnastil/stenovoy/2025-05-23_190124.png');
        background-size: cover;
        background-position: center;
        text-decoration: none;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .btn-catalog-pkmm4:active {
        transform: scale(0.96);
    }

        .btn-catalog-pkmm4::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(18, 37, 56, 0.6);
            z-index: 1;
        }

    .btn-catalog-text-pkmm4 {
        position: relative;
        z-index: 2;
        color: #fff;
        font-size: 20px;
        font-weight: bold;
        text-align: center;
    }

    .btn-catalog-pkmm4:hover::before {
        background-color: rgba(246, 133, 29, 0.7);
    }

    .features-direction-pkmm4 {
        padding-bottom: 40px;
        background-color: #fff;
    }

    .direction-grid-pkmm4 {
        display: flex;
        gap: 50px;
        align-items: center;
    }

    .direction-steps-pkmm4 {
        flex: 1;
    }

    .direction-item-pkmm4 {
        display: flex;
        gap: 25px;
        margin-bottom: 30px;
        background-color: #f5f7fa;
        padding: 25px;
        border-radius: 4px;
        align-items: center;
    }

    .direction-number-pkmm4 {
        font-size: 48px;
        font-weight: bold;
        color: #f6851d;
        line-height: 1;
        opacity: 0.6;
    }

    .direction-text-pkmm4 h4 {
        font-size: 18px;
        margin-bottom: 5px;
    }

    .direction-text-pkmm4 p {
        font-size: 14px;
        color: #555;
        margin-bottom: 0;
    }

    .direction-main-img-pkmm4 {
        flex: 1;
        width: 100%;
        height: 500px;
        border-radius: 4px;
        overflow: hidden;
    }

        .direction-main-img-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .direction-main-img-pkmm4:hover img {
            transform: scale(1.05);
        }

    .faq-section-pkmm4 {
        background-color: #f9f9f9;
    }

    .faq-item-pkmm4 {
        background-color: #fff;
        margin-bottom: 15px;
        border-radius: 4px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.03);
    }

    details {
        padding: 20px;
        cursor: pointer;
    }

    summary {
        font-weight: bold;
        font-size: 16px;
        list-style: none;
        position: relative;
        padding-right: 30px;
    }

        summary::after {
            content: '+';
            position: absolute;
            right: 0;
            color: #f6851d;
            font-size: 20px;
            font-weight: bold;
            top: 50%;
            transform: translateY(-50%);
            transition: transform 0.3s;
        }

    details[open] summary::after {
        transform: translateY(-50%) rotate(45deg);
    }

    summary::-webkit-details-marker {
        display: none;
    }

    .faq-content-pkmm4 {
        padding-top: 20px;
        font-size: 15px;
        color: #666;
        line-height: 1.6;
    }

    .contacts-section-pkmm4 {
        background-color: #122538;
    }

    .contacts-section-pkmm4 h2 {
        color: #fff;
        margin-bottom: 40px;
        text-align: center;
    }

    .contacts-grid-pkmm4 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .contact-item-pkmm4 {
        border: 1px solid rgba(255, 255, 255, 0.2);
        padding: 30px;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        transition: border-color 0.3s;
    }

    .contact-item-pkmm4:hover {
        border-color: #f6851d;
    }

    .contact-icon-pkmm4 {
        color: #f6851d;
        margin-bottom: 20px;
    }

    .contact-info-pkmm4 p {
        margin-bottom: 0;
        font-size: 16px;
        color: #fff;
    }

    .contact-info-pkmm4 strong {
        display: block;
        margin-bottom: 10px;
        color: #f6851d;
        font-size: 12px;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .contact-info-pkmm4 a {
        color: #fff;
        text-decoration: none;
        transition: color 0.3s;
    }

    .contact-info-pkmm4 a:hover {
        color: #f6851d !important;
    }

    @media (max-width: 992px) {
        .contacts-grid-pkmm4 {
            grid-template-columns: 1fr;
            max-width: 400px;
            margin: 0 auto;
        }
    }

    .map-placeholder-pkmm4 {
        width: 100%;
        height: 400px;
        background-color: #eee;
        border-radius: 4px;
        background-image: url('https://pkmm.ru/image/catalog/tohir/ChatGPT%20Image%2025%20%D0%BC%D0%B0%D1%80.%202026%20%D0%B3.,%2009_13_00.jpg');
        background-size: cover;
        background-position: center;
    }

    .specs-section-pkmm4 {
        padding: 80px 0;
        background-color: #f5f7fa;
    }

    .specs-grid-pkmm4 {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
        margin-top: 50px;
    }

    .spec-card-pkmm4 {
        background-color: #fff;
        padding: 30px;
        border-radius: 8px;
        text-align: center;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }

    .spec-value-pkmm4 {
        font-size: 36px;
        font-weight: bold;
        color: #122538;
        margin-bottom: 10px;
    }

    .spec-label-pkmm4 {
        font-size: 14px;
        color: #666;
    }

    .coatings-section-pkmm4 {
        padding: 40px 0;
        background-color: #fff;
    }

    .coatings-grid-pkmm4 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        margin-top: 50px;
    }

    .coating-card-pkmm4 {
        background-color: #f5f7fa;
        border-radius: 8px;
        overflow: hidden;
    }

    .coating-img-pkmm4 {
        width: 100%;
        height: 180px;
        overflow: hidden;
        border-radius: 8px 8px 0 0;
    }

        .coating-img-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .coating-img-pkmm4:hover img {
            transform: scale(1.05);
        }

    .coating-content-pkmm4 {
        padding: 25px;
        border-left: 4px solid #f6851d;
    }

    .coating-card-pkmm4 h4 {
        font-size: 20px;
        margin-bottom: 15px;
        color: #122538;
    }

    .coating-card-pkmm4 p {
        font-size: 14px;
        color: #555;
        margin-bottom: 0;
    }

    .apps-grid-pkmm4 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
        margin-top: 50px;
    }

    .app-card-pkmm4 {
        background-color: #fff;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }

    .app-img-pkmm4 {
        width: 100%;
        height: 250px;
        overflow: hidden;
    }

        .app-img-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

    .app-card:hover .app-img-pkmm4 img {
        transform: scale(1.05);
    }

    .app-content-pkmm4 {
        padding: 20px;
    }

        .app-content-pkmm4 h4 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .app-content-pkmm4 p {
            font-size: 13px;
            color: #666;
            margin-bottom: 0;
        }

    .delivery-section-pkmm4 {
        padding: 39px 0;
        background-color: #fff;
    }

    .delivery-grid-pkmm4 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
        margin-top: 50px;
    }

    .delivery-card-pkmm4 {
        text-align: center;
        padding: 30px;
    }

    .delivery-icon-pkmm4 {
        width: 70px;
        height: 70px;
        background-color: #122538;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 20px;
        color: #fff;
        font-size: 28px;
    }

    .delivery-card-pkmm4 h4 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .delivery-card-pkmm4 p {
        font-size: 14px;
        color: #666;
    }

    .extras-section-pkmm4 {
        background-color: #f5f7fa;
        color: #333;
    }

        .extras-section-pkmm4 h2 {
            color: #122538;
            text-align: center;
        }

    .extras-grid-pkmm4 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
        margin-top: 50px;
    }

    .extra-card-pkmm4 {
        background-color: #fff;
        border-radius: 8px;
        overflow: hidden;
        transition: all 0.3s ease;
        text-decoration: none;
        color: #122538;
        display: block;
        box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    }

    .extra-card-pkmm4:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    }

    .extra-card-pkmm4:active {
        transform: translateY(-2px) scale(0.98);
    }

    .extra-img-pkmm4 {
        width: 100%;
        height: 200px;
        overflow: hidden;
    }

        .extra-img-pkmm4 img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

    .extra-card:hover .extra-img-pkmm4 img {
        transform: scale(1.05);
    }

    .extra-content-pkmm4 {
        padding: 25px;
    }

        .extra-content-pkmm4 h4 {
            color: #122538;
            font-size: 18px;
            margin-bottom: 10px;
        }

        .extra-content-pkmm4 p {
            color: #666;
            font-size: 14px;
            margin-bottom: 0;
        }

    .extra-arrow-pkmm4 {
        color: #f6851d;
        font-size: 20px;
        margin-top: 15px;
        display: inline-block;
    }

    @media (max-width: 992px) {
        .flex-row-pkmm4, .flex-row-pkmm4.reverse, .direction-grid-pkmm4, .contacts-grid-pkmm4 {
            flex-direction: column !important;
            gap: 30px;
        }

        .services-grid-pkmm4, .coatings-grid-pkmm4, .extras-grid-pkmm4 {
            grid-template-columns: repeat(2, 1fr);
        }

        .specs-grid-pkmm4, .apps-grid-pkmm4 {
            grid-template-columns: repeat(2, 1fr);
        }

        .hero-pkmm4 h1 {
            font-size: 32px;
        }
    }

    @media (max-width: 900px) {
        h2 {
            font-size: 24px !important;
        }

        .container-pkmm4 {
            padding: 0 14px;
        }

        .services-grid-pkmm4, .specs-grid-pkmm4, .coatings-grid-pkmm4, .apps-grid-pkmm4, .delivery-grid-pkmm4, .extras-grid-pkmm4,
        .principles-list-pkmm4, .img-sub-row-pkmm4 {
            grid-template-columns: 1fr;
            flex-direction: column;
        }

        .flex-row-pkmm4, .flex-row-pkmm4.reverse {
            flex-direction: column !important;
            gap: 20px;
        }

        .hero-pkmm4 {
            padding: 30px 0;
        }

            .hero-pkmm4 h1 {
                font-size: 24px;
            }

        .hero-image-frame-pkmm4 {
            flex: none;
            width: 100%;
            height: 250px;
        }

        .hero-layout-pkmm4 {
            gap: 30px;
        }

        .col-image-pkmm4, .col-text-pkmm4 {
            width: 100%;
        }

        .img-large-pkmm4, .main-feature-img-pkmm4 {
            height: 250px;
        }

        .img-small-pkmm4 {
            height: 150px;
        }

        .text-block-beige-pkmm4 {
            padding: 25px;
        }

        .feature-item-pkmm4 {
            gap: 15px;
        }

        .btn-orange-pkmm4 {
            width: 100%;
            text-align: center;
            padding: 12px 20px;
        }

        .services-grid-pkmm4, .service-card-pkmm4 {
            gap: 20px;
        }

        .card-image-pkmm4, .img-box-pkmm4 {
            height: 200px;
        }
    }

    @media (max-width: 768px) {
        .services-grid-pkmm4, .specs-grid-pkmm4, .coatings-grid-pkmm4, .apps-grid-pkmm4, .delivery-grid-pkmm4, .extras-grid-pkmm4 {
            grid-template-columns: 1fr;
        }

        .hero-pkmm4 {
            padding: 80px 0;
        }

            .hero-pkmm4 h1 {
                font-size: 28px;
            }

        h2 {
            font-size: 26px;
        }

        .text-block-beige-pkmm4 {
            padding: 30px;
        }

        .img-sub-row-pkmm4 {
            flex-direction: column;
        }
    }

    main {
        width: 100%;
        max-width: 1140px;
        margin: 0 auto;
        overflow-x: hidden;
    }