@media screen and (max-width: 1199px) {
    .layout {
        width: 100%;
        margin: 0 auto;
    }

    .layout-mobile {
        padding: 10px;
    }

    .block .product-right .product-item .product-info p {
        padding: 0;
    }

    .block .position {
        box-sizing: border-box;
        padding: 0 2%;
    }

    .block .classes {
        padding: 0 2%;
    }

        .block .classes .class-content img {
            max-width: 100%;
        }

    .block .class-content .news-item .news-img img {
        width: 100%;
        margin: 0;
        height: auto;
    }

    .block .class-content .news-item {
        width: 31.333333333%;
        padding: 2% 1%;
        margin: 15px 1%;
    }

    .download-list .download-item .download-img {
        width: 10%;
        float: left;
    }

    .download-list .download-item .download-info {
        width: 86%;
        float: right;
        text-align: left;
    }

    .block .classes .contact .contact-img {
        float: right;
        width: 100%;
        text-align: center;
    }

    .block .classes .contact .contact-content {
        float: left;
        width: 100%;
        text-align: left;
    }

    .block .product-right .product-info p {
        margin-top: 30px;
        font-size: 14px;
        text-align: justify;
        color: #666;
        line-height: 150%;
    }

    .block .product-right .product-info a p {
        margin-top: 10px;
        font-size: 14px;
        text-align: justify;
        color: #666;
        line-height: 120%;
    }

    .block .product-right .product-list .product-item .product-info .btn {
        display: inline-block;
        font-size: 16px;
        font-weight: 700;
        padding: 10px 20px;
        background-color: #303030;
        color: #fff;
        margin-top: 15px;
        margin-right: 10px;
    }

    .product-view {
        position: relative;
        width: 100%;
        float: left;
    }

    .block .shown_products_a_right h3 {
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 5;
        -webkit-box-orient: vertical;
    }

    .block .product-right {
        float: right;
        width: 72%;
        border-top: 2px solid #007fff;
        margin-right: 1%;
    }
}

@media screen and (max-width: 768px) {
    .block .class-content .news-item {
        width: 48%;
        padding: 2% 1%;
        margin: 15px 1%;
    }

    .download-list .download-item .download-img {
        width: 13%;
        float: left;
    }

    .download-list .download-item .download-info {
        width: 84%;
        float: right;
        text-align: left;
    }

        .download-list .download-item .download-info a {
            display: block;
            background-color: #303030;
            color: #fff;
            padding: 5px 0;
            margin-top: 10px;
            width: 150px;
            text-align: center;
            font-weight: 700;
            font-size: 14px;
        }

    .block .product-left {
        float: left;
        width: 100%;
    }

        .block .product-left .product-list ul {
            display: none;
        }

    .block .product-right {
        float: right;
        width: 100%;
        border-top: 2px solid #007fff;
        padding: 0;
        margin: 0;
        margin-top: 10px;
        padding: 0 15px;
        box-sizing: border-box;
    }

        .block .product-right .product-list .product-item .product-img {
            width: 100%;
        }

        .block .product-right .product-list .product-item .product-info {
            width: 100%;
        }

        .block .product-right .product-list {
            display: -webkit-flex;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }

            .block .product-right .product-list .product-item {
                width: 50%;
                box-sizing: border-box;
                display: -webkit-flex;
                display: flex;
                flex-wrap: wrap;
                justify-content: space-between;
                padding: 4% 1% 2% 1%;
                border-bottom: 1px solid #ccc;
            }

                .block .product-right .product-list .product-item .product-info .btn {
                    display: block;
                    width: 100%;
                    font-size: 16px;
                    font-weight: 700;
                    padding: 10px 20px;
                    background-color: #007fff;
                    color: #fff;
                    margin-top: 15px;
                    margin-right: 0;
                    text-align: center;
                    padding: 10px 0;
                }

    .opt {
        padding: 0 2%;
    }

    #send {
        padding: 0;
    }

    .opt_pt {
        padding: 0 2%;
    }

    #form1 {
        padding: 0 2%;
    }

    .owl-carousel .owl-controls {
        margin-top: 10px;
    }

    .owl-theme .owl-dots .owl-dot span {
        width: 50px;
        height: 5px;
        background: #303030;
        display: inline-block;
        border-radius: 30px;
        margin: 5px 7px;
    }

    .owl-theme .owl-dots .owl-dot.active span, .owl-theme .owl-dots .owl-dot:hover span {
        background-color: #007fff;
    }

    .owl-theme .owl-dots, .owl-theme .owl-nav {
        text-align: center;
        -webkit-tap-highlight-color: transparent;
    }

    .owl-dots .owl-dot {
        display: inline-block;
    }

    .block .product-right .product-info p {
        margin-top: 30px;
        font-size: 14px;
        text-align: justify;
        color: #666;
        line-height: 150%;
        padding: 0 2%;
    }

    .product-right h3 {
        padding: 0 2%;
    }

    .block .shown_products_a_right h3 {
        padding: 0;
    }
}

@media screen and (max-width: 640px) {
    .shown_products_a_left {
        float: left;
        border: 0;
        width: 100%;
    }

    .shown_products_a_right {
        float: right;
        text-align: left;
        width: 100%;
        margin-top: 0;
    }
}

@media screen and (max-width: 480px) {
    .block .product-right .product-list {
        justify-content: center;
    }

        .block .product-right .product-list .product-item {
            margin-top: 30px;
        }

    .download-list .download-item .download-img {
        width: 20%;
        float: left;
    }

    .download-list .download-item .download-info {
        width: 76%;
        float: right;
        text-align: left;
    }

    .col-l-1 {
        float: left;
        text-align: center;
        width: 100%;
    }

    .col-r-1 {
        float: right;
        text-align: center;
        width: 100%;
    }

    .block .class-content .form .form-item textarea, .block .class-content .form .form-item input {
        width: 100%;
    }

    .block .product-right .product-list .product-item {
        width: 96%;
        box-sizing: border-box;
        display: -webkit-flex;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        padding: 4% 1% 2% 1%;
        border-bottom: 1px solid #ccc;
    }

    #AboutPro h3 {
        width: 50%;
        float: left;
        margin-right: 0;
        text-align: center;
    }
}

.block .product-right .product-info a p {
    text-align: left;
}

.block .class-content .news-item {
    padding: 0;
    border: 1px solid #eee;
}