@media (min-width: 640px) and (max-width: 1920px) {

        .container {
            max-width: 100%;
            margin: 0;
            padding: 0;
        }

        body,
        html {
            padding: 0;
            margin: 0;
        }

        .title {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-left: 10%;
            margin-right: 10%;
            height: 80px;
        }

        .title_left {
            color: #B9984D;
            font-size: 24px;
            font-family: Arial, Helvetica, sans-serif, "微软雅黑";
        }

        .title_right {

            >div {
                margin-right: 40px;
                font-size: 14px;
                color: #808080;
                height: 77px;
                width: 70px;
                display: block;
                line-height: 77px;
                text-align: center;
                border: none;
                display: inline-block;
            }

            >div:nth-child(1) {
                border-bottom: 2px solid #B9984D;
                color: #B9984D;
            }

            >div:hover {
                cursor: pointer;
                color: #B9984D;
                border-bottom: 2px solid #B9984D;
            }

        }

        .vedio {
            position: relative;
        }

        .touch {
            height: 7px;
            width: 75px;
            position: absolute;
            top: 0;
            right: 13%;
            opacity: 0;
        }

        .link_us {
            height: 50px;
            width: 150px;
            background-color: #ffffff;
            position: absolute;
            top: 9px;
            right: 9%;
            text-align: center;
            line-height: 50px;
            border-radius: 3px;
            display: none;
            font-size: 12px;

        }

        .link_us:hover {
            color: #B9984D;
        }

        #open_btn,
        .dra {
            display: none;
        }

        .banner {
            display: none;
        }

        .vedio {
            height: 100%;
            width: 100%;

            >.vedio_content {
                height: auto;
                width: 100%;
                overflow: hidden;
            }
        }

        .banner_content {
            width: 100%;
            margin-top: 25%;
        }

        .banner_text3 {
            width: 100%;
            text-align: center;
            display: flex;
            justify-content: center;
        }

        .banner_text1 {
            font-size: 40px;
            text-align: center;
            font-weight: bold;
            letter-spacing: 10px;
            width: 100%;
        }

        .banner_text2 {
            text-align: center;
            background-color: #B9984D;
            width: 330px;
            height: 50px;
            line-height: 50px;
            font-size: 18px;
            transform: skew(-20deg);
            letter-spacing: 10px;
            margin-top: 10px;

            >div {
                transform: skew(20deg);
            }
        }

        .about {
            width: 100%;
            background-color: #f4f4f4;
            display: flex;
            justify-content: space-around;

            >div:nth-child(1) {
                width: 20%;
                color: #B9984D;
                font-weight: bold;
                font-size: 40px;
                text-align: center;
                margin-left: 6%;
				
            }

            >div:nth-child(2) {
                >div {
		
                    width: 65%;
                    color: #777777;
                    font-size: 15px;
                    letter-spacing: 2px;
                    line-height: 25px;
					 font-family: Arial, Helvetica, sans-serif, "微软雅黑", sans-serif;
					
                }
            }

            >div:nth-child(3) {
                width: 20%;
                height: 50px;
                color: #ffffff;
                text-align: center;
                line-height: 50px;

                >div {
                    background-color: #B9984D;
                    width: 50%;
                    border-radius: 5px;
                }
            }


            >div {
                margin-top: 3%;
            }
        }

        .about_img {
            height: 100%;

            >img {
                height: 60%;
                width: 100%;
                background-size: cover;
				
            }

        }

        .product {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            margin-top: 10%;
        }

        .product_content {
            width: 80%;
            display: flex;
            flex-direction: row;
        }

        .product_left {
            width: 35%;

            >div:nth-child(1) {
                width: 100%;
                height: 40%;
            }

            >div:nth-child(2) {
                width: 100%;
                height: 60%;

                >img {
				margin-top:-20px
                   /*  width: 100%;
                   height: 100%;
				   
                    background-size: cover;*/
                }
            }

        }

        .product_text {
            width: 50%;

            >div:nth-child(1) {
                color: #B9984D;
                font-size: 40px;
                font-weight: bold;
                text-align: left;
            }

            >div:nth-child(2) {
                width: 90%;
                font-size: 14px;
                display: flex;
                flex-direction: column;
                text-align: left;
                line-height: 30px;
                color: #777777;
				font-family: Arial, Helvetica, sans-serif, "微软雅黑", sans-serif;
				margin-top:5px
				
            }
        }

        .product_right {
            width: 65%;

            >img {
                width: 45%;
                flex-wrap: wrap;
                padding: 10px;
                transition: transform 0.3s ease;
            }

            >img:hover {
                transform: scale(1.05);
            }

        }

        .design {
            height: 750px;
            display: flex;
            flex-direction: row;
            margin-top: 5%;
            position: relative;

            >.design_left {
                width: 50%;
                height: 90%;
                background-color: #f4f4f4;
                padding-left: 10%;
                display: flex;
                flex-direction: column;
                position: relative;

                >div>.design_title {
                    color: #B9984D;
                    font-size: 40px;
                    font-weight: bold;

                }

                >.design_mobile {
                    top: 15%;
                    position: absolute;
                }

                >div>.design_text {
                    width: 40%;
                    font-size: 14px;
                    color: #777777;
                    line-height: 30px;
                    margin-top: 4%;
					font-family: Arial, Helvetica, sans-serif, "微软雅黑", sans-serif;
                }

                >div>.design_btn {
                    width: 18%;
                    background-color: #B9984D;
                    color: #ffffff;
                    line-height: 50px;
                    text-align: center;
                    margin-top: 5%;
                }
            }

            >.design_right {
                margin-top: 5%;
                position: absolute;
                left: 40%;

                >img {
                    height: 100%;
                    width: 100%;
                }
            }
        }

        .design_2 {
            >div:nth-child(1) {
                font-size: 32px;
                color: #B9984D;
                font-weight: bold;
                margin-left: 10%;
                margin-bottom: 2%;
            }
        }

        .design2_content {
            width: 100%;
            display: flex;
            flex-direction: row;
            position: relative;

            >.design2_img {
                width: 100%;

                >img {
                    width: 99%;
                }
            }

            >.design2_text {
                position: absolute;
                left: 60%;
                top: 0;
                bottom: 0;
                margin: auto;
                height: 70%;
                width: 30%;
                background-color: #ffffff;
                display: flex;
                flex-direction: column;
                justify-content: center;
                font-size: 14px;

                >div {
                    width: 60%;
                    font-size: 14px;
                    color: #777777;
                    line-height: 30px;
                    margin-left: 40%;
					font-family: Arial, Helvetica, sans-serif, "微软雅黑", sans-serif;

                }
            }
        }

        .news {
            width: 100%;
            margin-top: 5%;
        }

        .news_content {
            width: 85%;
            align-items: center;
            display: flex;
            flex-direction: row;
            justify-content: space-between;
            align-items: center;
            margin: auto;

            >div {
                width: 30%;
                padding: 2%;
            }

            >div:hover {
                box-shadow: #e5ebee 0px 0px 10px 0px;
                cursor: pointer;

                .title_c1 {
                    color: #B9984D;

                }
            }

        }

        .news_title {
            display: flex;
            flex-direction: row;
            justify-content: space-around;

            >.title_c1 {
                height: 80px;
                width: 100%;
                font-size: 16px;
                color: #000000;
            }

            >.title_c2 {
                width: 80%;
                color: #999999;
                font-size: 14px;
                text-align: right;
            }
        }

        .title_c3 {
            color: #666666;
            font-size: 14px;
            line-height: 30px;
        }

        .contact {

            >div:nth-child(1) {
                color: #B9984D;
                font-size: 32px;
                font-weight: bold;
                width: 80%;
                margin: 2% 0 2% 10%;
            }
        }

        .contact_img {
            width: 100%;
            height: 500px;
            background-color: grey;
            background-image: url('../img/img8.jpg');
            display: flex;
            flex-direction: column;
            justify-content: center;

            >div {
                text-align: center;
                margin-top: 10px;
            }

            >div:nth-child(1) {
                color: #ffffff;
                font-size: 14px;
            }

            >div:nth-child(2) {
                color: #B9984D;
                font-weight: 600;
                font-size: 39px;
            }

            >div:nth-child(3) {
                margin-left: 25%;
                width: 30%;
                margin: 0 auto;
                color: #ffffff;
                font-size: 12px;
            }

            >div:nth-child(4) {
                width: 100px;
                margin: 0 auto;
                background-color: #B9984D;
                color: #ffffff;
                height: 40px;
                margin-top: 1%;
                line-height: 40px;
            }
        }

        .contact_tel {
            background-color: #191a1a;
            color: #484848;
            font-size: 14px;
            height: 100px;
            line-height: 100px;
            display: flex;
            flex-direction: row;
            justify-content: space-around;
			font-family: Arial, Helvetica, sans-serif, "微软雅黑", sans-serif;
        }

        .contact_bot {
            height: 60px;
            background-color: #191a1a;
            color: #484848;
            font-size: 12px;
            text-align: center;
        }
    }