@media screen and (min-width: 1500px) { 
    .section-zy .item{
        width: 25rem;
    }
}
/* 2k */
@media screen and (min-width: 1921px) { 
    .container{
        width: 50vw;
        max-width: 50vw;
    }
    .fixed-right{
        right: 22vw;
    }
    body{
        font-size: 36px;
    }
    .logo{
        margin-top: .5rem;
    }
    .banner-dev p{font-size: 1.2rem}
}
/* 4k */
@media screen and (min-width: 3800px) { 
    .container{
        width: 45vw;
        max-width: 45vw;
    }
    .fixed-right{
        right: 25vw;
    }
    body{
        font-size: 42px;
    }
    .banner-dev img{width:100%;margin-top: 2rem;}
}

@media screen and (min-width: 1201) and (max-width: 1400px){
	 .banner-dev .title-one{
		font-size: 1.2rem;
	}
}
@media screen and (min-width: 990px) and (max-width: 1200px) { 
    .section-rj .item{
        max-width: 30%;
        margin-bottom: 2rem;
        height: 22rem;
        flex: 0 0 30%;
    }
    .section-zy ul{
        padding: 1.2rem 1rem;
        margin-bottom: 0;
    }
    .pre-box{
        margin-left: .6rem;
    }
    .title-one{
    	font-size: 2.2rem;
    }
}
@media screen and (min-width: 769px) and (max-width: 990px) { 
    .ablout-box p{
        padding:0 3rem;
    }
    .help-box .item{
        font-size: 1.2rem;
    }
    .banner-box img,.banner-box img,.ablout-box img{
        width: 100%;
    }
    .pre-box{
        top: 6%;
        width: 76%;
    }
    .section-rj .item{
        max-width: 45%;
        height: 22rem;
        margin-bottom: 0;
    }
    .section-zy ul{
        padding: 1.2rem 1rem;
        margin-bottom: 0;
    }
    .section-fw .item{
        margin-bottom: 2rem;
    }
    .title-tt{
        padding: .3rem 1rem;
    }
    .pay-way h4 span{
        font-size: 1rem;
    }
    .taocan .item{
        max-width: 46%;
    }
    .way-select{
        padding-top: 0;
    }
     .title-one{
    	font-size: 2rem;
    }
    .text-left .title-one{
    	margin-top:2rem;
    }
}

@media screen and (max-width: 768px) { 
    body{
        font-size: 12px;
    }
    .pre-box{
        top: 5%;
      width: 76%;
    }
    footer,.footer-box{
        height: auto;
    }
    .footer-down{
        margin-top: 2rem;
        padding-left: 0;
        margin-bottom: 2rem;
    }
    .fixed-right{
        right: 0;
    }
    .section-ys{
        font-size: 1rem;
    }
    .section-fw .item{
        margin-bottom: 2rem;
    }
    .taocan .item{
        max-width: inherit;
    }
    .title-box{
        padding: 0 1rem;
    }
    .section-num{padding: 0;}
    .section-num h5{
        margin-top:2rem;
        font-size: 1.75rem;
    }
    
    .title-one{
        padding-top: 2rem;
        font-size: 1.6rem;
        margin-top: 0 !important;
    }
    .banner-dev img{
    	margin-top:2rem
    }

    .title-box p{
    	 font-size: 1rem;
    }
    .banner-dev .text-left{
    	text-align: center !important;
    }
    .help-box .item{
        width: 100%;
        max-width: 100%;
        margin-left: 15px;
        margin-right: 15px;
        margin-bottom:1rem;
    }
    .banner-box img{
        width: 100%;
    }
    .section-rj .item{
        padding-top: 2rem;
        max-width: 100%;
    }
    .ablout-box{
        padding: 1.5rem 0;
    }
    .section-yj{
        background: #f4faff;
    }
    .section-yj .item{
        padding-bottom: 2rem;
        justify-content:flex-start
    }
    .title-des{
        font-size: 1.2rem;
    }
    .ablout-box p{
        padding: 0;
    }
    .taocan:not(.huang) .row.mt-3r{
        margin-top: 1rem;
    }
    .pay-way{
        padding: 1rem;
    }
    .way-select{
        text-align: left;
        font-size: 1rem;
        display: inline-flex;
    }
    .form-check-inline{
        margin-right: 0;
    }
    .wap-header{
        display: flex;
        justify-content: flex-start;
    }
    .wap-hidden{
        display: none;
    }
    .wap-logo{
        width: 45vw;
    }
    .wap-language{
        display: inline-flex;
        align-items: center;
        justify-content: flex-end;
        width: 40vw;
        margin-left: auto;
    }
    .language{
        margin-left: 0;
        margin-top: 1rem;
    }
    .wap-class{
        cursor: pointer;
        display: block;
        margin-left: 1rem;
        margin-top: 1rem;
    }
    .wap-class svg{
        width: 1.2rem;
        height: 1.2rem;
    }
    #nav{
        position: fixed;
        right: 0;
        top: 5rem;
        z-index: 999;
        display: block;
        width: 100vw;
        height: 100vh;
        overflow: hidden;
        background-color: #fff;
    }
    #nav .item{
        width: 90%;
        padding-top: 1rem;
        padding-bottom: 2rem;
        margin-left: 5%;
        box-sizing: border-box;
        line-height: .5;
        height: 2.4rem !important;
        background-color: #fff;
        border-bottom: 1px solid #eee;
        overflow: inherit;
        text-align: left;
    }
    #nav .item.wapshow{
    	height: auto !important;
    }
    .contact-wap{
    	margin-top: 1rem;
    	padding-top: 1rem;
    	line-height: 1.8;
    	text-align: center;
    }  
    .contact-wap p{
    	margin-bottom: 0;
    	margin-top: .4rem;
    }
    .section-menu-group .item{padding: 1rem 0 .5rem;}
    .ly-box .item{
    	width: 43%;
    	margin: 1rem 11px;
    	height:auto ;
    	border-radius:1rem;
    }
    .ly-box{padding-top: 0;justify-content: flex-start;}
    .title-tt{
    	    width: 100%;
    padding: 0 1rem;
    margin: 0 0.2rem;
    }
    .title-tt h4{font-size: 1rem;}
    .price-title h3{
    	font-size: .9rem;
    }
    .price-title span{
    	margin-left: .5rem;
    	font-size: .8rem;
    }
    .taocan{
    	padding: 1rem;
    }
    .download-dev .item{
    	font-size: 1rem;
    }
}