@media (max-width: 1200px){
    .nav .menu li {
        padding-left: 36px;
    }
    .product-list {
        margin: 0 16px;
        padding-left: 0px;
        padding-right: 0px;
    }
    .product-content{
        padding: 0 16px 0 16px;
    }
    .product-content h3 {
        padding-top: 10px;
    }
    .product-list .product-item {
        min-height: 346px;
    }
}
@media (max-width: 992px) {
    .navigation .artical-list-page{
        margin: 10px 0;
    }
    .nav .menu li {
        padding-left: 30px;
    }
    .mast{
        padding: 2em 0;
    }
    section {
        padding-top: 50px;
    }
    .product {
        padding-top: 40px;
    }
    .pro-cate {
        width: 180px;
    }
    .product-list {
        padding:0;
        margin: 0;
    }
    .product-list .product-item {
        min-height: 376px;
    }
    .customer-left {
        margin-top: 20px;
    }
    .news ul li {
        margin-top: 20px;
    }
    .header-bottom {
        display: none;
    }
    .contact ul li {
        width: 100%;
    }
     .purpose {
        clear: both;
        margin: 20px 0;
        padding-top: 20px;
    }

}
@media (max-width: 768px) {
    #hide-btn {
        position: fixed;
        top: 20px;
        right: 30px;
        display: block;
        z-index: 999;
    }
    .nav .menu{
        display: none;
        height: initial;
        width: 100%;
        overflow-y: auto;
        position: fixed;
        top: 70px;
        z-index: 99;
        background: #000000;
        padding: 20px;
        margin-left: -15px;
    }
    .index-menu{
        margin: 0 !important;
    }
    .index-menu li a{
        color: #ffffff !important;
    }
    .nav .menu li {
        display: block;
        padding: 10px 0;
        margin-top: 8px;
        text-align: left;
        border-bottom: 1px solid #ffffff;
    }
    .pro-cate{
        width: 100%;
    }
    .pro-cate .cate li {
        float: left;
        display: block;
        background: #f2f2f2;
        margin: 0 0.4em;
        border-radius: 5px;
    }
    .pro-cate ul li a, .pro-cate ul li a:hover {
        padding: 10px 0.8em;
        display: block;
        border-radius: 5px;
    }
    .pro-cate .contact-us {
        display: none;
    }
    .pro-cate .cate li:first-child{
        display: none;
    }
    .product-list {
        padding-top: 10px;
    }
    .product-list .product-item {
        min-height: 400px;
    }
	.header-middle .logo img {
		max-width: 40px;
	}
	.header .header-middle {
		top: 5px;
	}
    .mast{
        padding: 1em 0;
    }
    .insurance img {
        width: 100%;
    }
    .toplink {
        display: none;
    }
    .logo img{
        overflow-y: auto;
        position: absolute;
        top:0px;
    }
    .nbs-flexisel-nav-left {
        margin-top: 244px;
    }
    .nbs-flexisel-nav-right {
        margin-top: 244px;
    }
	footer .footer-contanct {
        display: block;
    }
	.p15 img {
		width:100% !important;
	}
}
@media (max-width:480px) {
	section {
		padding-top: 15px;
	}
	.about {
		padding-top:0px;
	}
	.about h1 {
		font-size: 17px;
		font-weight: bold;
		text-align: center;
		margin: 5px;
	}
	.about p {
		text-align: right;
	}
	.about p a {
		margin-top: 5px;
	}
	
	.about-info img {
		display:none;
	}
	.about-intro img {
		display:block;
	}
    .header .header-middle {
        padding-right: 0;
    }
    .about .col-md-5,.about .col-md-7 {
        padding-left: 0;
        padding-right: 0;
    }
	.product {
		padding: 0;
	}
	.product .product-left h2 {
		margin: 5px 0;
	}
    .product .product-left h2 a {
        font-size: 24px;
    }
	.product .product-left span+span {
		padding-top: 5px;
	}
	.product-list .product-item {
		margin-bottom:15px;
	}
    .product .col-md-3,.product .col-md-9,.product .col-md-4, .select .col-md-6,.customer .col-md-6,.news .col-md-4,.footer .col-md-8,footer .col-md-4, .product-list .col-md-3 {
        padding-left: 0;
        padding-right: 0;
    }
	.select h3 {
		margin: 5px 0;
	}
	.select .select-left li {
		margin-top: 15px;
	}
	.select .select-left li dl {
		margin-bottom: 0;
	}
	.product .product-left .more {
		margin-top: 5px;
	}
    .pro-cate .cate li {
        float: inherit;
        border-radius: 0;
		display: inline-block;
    }
    .pro-cate ul li a, .pro-cate ul li a:hover {
        border-radius: inherit;
    }
	.product-list-items {
		text-align: center;
	}
    .product-list-items .product-list .col-xs-6{
        width: 100%;
    }
	.product .product-index .col-md-9 .product-index-main {
		margin-bottom:15px;
	}
    .customer {
        padding-bottom: 0px;
    }
    .customer h4 {
        font-size: 24px;
		margin-bottom: 15px;
    }
	.customer .us-customer p+p {
		margin-top: 15px;
	}
    .customer-left {
        padding:10px;
		margin-top: 15px;
    }
    .news h4 {
        font-size: 24px;
		margin: 10px 0 0 0;
    }
	.news ul li {
		margin-top: 15px;
	}
    .news-bottom {
        padding: 38px 15px 24px 15px;
    }
    .artical-content .content {
        margin: 42px 0 50px 0;
    }
	.artical-content .content img {
		width: 80% !important;
		height: inherit !important;
	}
    .artical-bottom .btn-read {
        padding: 14px 30px;
        margin:0 5px 20px 0;
    }
	.nbs-flexisel-nav-left, .nbs-flexisel-nav-right {
		display:none;
	}
	.recommend-product .nbs-flexisel-nav-left,.recommend-product .nbs-flexisel-nav-right {
		margin-top: 340px !important;
	}
	.do-element-map {
		display:none;
	}
    .footer {
		padding: 15px 0 0 0;
    }
    .contact ul li dl {
        display: inherit;
    }
    .us-product img{
      padding: 5px 0 !important;
    }
    .contact .col-md-4 img {
        width: 15%;
    }
    .contact h1 {
        font-size: 24px;
		margin-top:0;
    }
    .contact span {
        margin-bottom: 15px;
    }
    .navigation .artical-list-page {
        margin: 40px 0 40px 0;
    }
    .artical-content h1 {
        font-size: 24px;
    }
    .contact .col-md-4 dt {
        font-size: 24px;
    }
    .contact .col-md-4 dd {
        font-size: 14px;
    }
	.contact-box {
		display:none;
	}
	.us-honor {
        padding-top: 0px;
    }
    .honor-cup {
        padding-top: 15px;
    }
	.copyright {
		margin-bottom:48px;
	}
	.copyright p {
		padding: 8px 0 8px 45px;
	}
	.nbs-flexisel-ul {
		position: initial;
		width: initial;
	}
	.nbs-flexisel-ul li {
		width:50% !important;
	}
	.product-content {
		padding: 0 5px;
	}
	.product .product-index .col-md-9 .product-index-main {
		padding-right: 0px;
		padding-left: 10px;
	}
	.about-us {
		margin-bottom: 15px;
	}
}
@media (max-width: 320px) {
    .nbs-flexisel-nav-left {
        margin-top: 362px;
    }
    .nbs-flexisel-nav-right {
        margin-top: 362px;
    }
    .footer .btn-reset {
        margin-left: 0;
    }
	footer .footer-contanct .bottom-main li {
		padding: 2px 18px;
	}
}