@media screen and (max-width: 1330px) {
	:root {
		--max: calc(100% - 30px);
		--size14: 14px;
		--size16: 14px;
		--size18: 16px;
		--size20: 18px;
		--size24: 20px;
		--size30: 22px;
		--size36: 24px;
		--size40: 28px;
		--size46: 30px;
		--size50: 36px;
		--size56: 40px;
		--size60: 40px;
	
		--top20: 20px;
		--top30: 30px;
		--top40: 40px;
		--top50: 40px;
		--top60: 50px;
		--top80: 60px;
		--top100: 80px;
		--top120: 100px;
	}
	.Contact{
		display: none;
	}
	.SUoSOu{
		margin-right: 0px;
	}
}

@media screen and (max-width: 992px) {
	:root {
		--size14: 12px;
		--size16: 14px;
		--size18: 14px;
		--size20: 16px;
		--size24: 18px;
		--size30: 20px;
		--size36: 20px;
		--size40: 22px;
		--size46: 24px;
		--size50: 28px;
		--size56: 30px;
		--size60: 36px;
	
		--top20: 10px;
		--top30: 20px;
		--top40: 30px;
		--top50: 30px;
		--top60: 40px;
		--top80: 50px;
		--top100: 60px;
		--top120: 60px;
	}
	.Chanpin_left{
		width: 100%;
	}
	.Chanpin_right{
		width: 100%;
		margin-top: 20px;
	}
	.logo{
		width: 150px;
	}
	.footer_ul:last-child{
		width: 100%;
		margin-top: 30px;
	}
	.footer_ul form{
		width: 100%;
	}
}


@media screen and (max-width: 768px) {
	:root {
		--size14: 12px;
		--size16: 12px;
		--size18: 12px;
		--size20: 14px;
		--size24: 16px;
		--size30: 16px;
		--size36: 18px;
		--size40: 18px;
		--size46: 20px;
		--size50: 20px;
		--size56: 22px;
		--size60: 24px;
	
		--top20: 10px;
		--top30: 15px;
		--top40: 20px;
		--top50: 20px;
		--top60: 25px;
		--top80: 30px;
		--top100: 30px;
		--top120: 30px;
	}

	.an {
		display: block;
	}

	.hertre {
		height: 60px;
		background: #fff;
		position: fixed;
		top: 0px;
		z-index: 999;
	}

	.logo{
		width: 120px;
	}
	.logo img:nth-child(1) {
        display: block !important;
    }

    .logo img:nth-child(2) {
        display: none !important;
    }

	.nav {
		width: 100%;
		top: 60px;
		height: calc(100% - 60px);
		position: fixed;
		background: #fff;
		display: none;
		left: 0;
		transform: translate(0%, 0%);
		transition: auto;
		border-top: 1px rgb(0, 0, 0, 0.1) solid;
		margin: 0;
	}

	.nav ul{
		gap: 0px;
	}

	.nav ul li {
		width: 100%;
		text-align: center;
		border-bottom: 1px rgb(0, 0, 0, 0.1) solid;
		line-height: 60px;
		font-size: 12px;
		padding: 0 20px;
		text-align: left;
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
		align-items: center;
		margin: auto;
		color: #000000 !important;
	}

	.nav ul li svg {
		display: block;
	}

	.nav_ul {
		position: static;
		width: 100%;
		padding-top: 0px;
		transition: auto;
		transform: translate(0%,0%)

	}

	.nav_ul a {
		width: 100%;
		background: none;
	}

	body {
		padding-top: 60px;
	}
	.Lianxi ul{
		grid-template-columns: 1fr;
	}
	.Lianxi ul li img{
		width: 50px;
	}
	.footer_left,
	.Hist_text,
	.Guanyu_img,
	.Chanpin_form form input,
	.Chanpin_form form input.submit,
	.Do_form form input.submit,
	.Have form input.submit,
	.Xinwen_img,
	.Have form input{
		width: 100%;
	}
	.Hist_img,
	.Guanyu_text{
		width: 100%;
		margin-top: 20px;
	}
	.Xinwen_text{
		flex: initial;
		width: 100%;
	}
	.Pro ul ,
	.ChanPin ul{
		grid-template-columns: 1fr 1fr;
		gap: 10px;
	}
	.ChanPin_Text a{
		line-height: 36px;
	}
	.Guanyu ul{
		display: grid;
		grid-template-columns: 1fr 1fr;
		gap: 10px;
	}
	.Guanyu_max{
		width: 100%;
		border: 1px solid #00000010;
		padding: 15px;
	}
	.Guanyu ul li::after{
		display: none;
	}
	.Guanyu ul li img{
		width: 30px;
		height: 30px
	}
	.Guanyu ul li h2{
		font-size: 30px;
	}
	.SUoSOu{
		width: 36px;
		height: 36px;
		margin-right: 50px;
	}
	.banner_index{
		margin: 50px auto;
	}
	.Hist_img img{
		height: auto;
	}
	.Ourtn ul{
		grid-template-columns: 1fr;
	}
	.Ourtn_img p{
		bottom: auto;
		top: 0;
		left: 0;
		transform: translate(0%,0%);
	}
	.Hangye ul{
		display: grid;
		grid-template-columns: 1fr 1fr;
		gap: 0px;
	}
	.Hangye_text{
		opacity: 1;
	}

	.footer_ul {
		margin-top: 20px;
	}

	.beian_max p {
		width: 100%;
		text-align: center;
		line-height: 2;
		
	}

}