@media only screen and (min-width:320px) and (max-width:767px){body{overflow-x:hidden;min-width:auto}.header,.main-content{width:100%}.header img,.img-wrap img{width:137px;margin:15px 0 0 5px}.header-item .close{text-align:right;color:#333;line-height:5px}.header-item .close .closeImg{width:24px;height:24px;margin:12px 10px 0;display:inline-block}.btn-mobile-nav,.header-wrap{height:50px;position:absolute}.header-item{background:#fff;color:#fff;width:50%;position:absolute;right:0;top:0;z-index:11;min-height:100vh;display:none}.header-item li{float:none;width:100%;height:50px;line-height:50px;font-size:15px;text-align:left;text-indent:30px}.header-item .off{background:0 0}.filter{background:#000;opacity:.4;width:100%;height:100%;z-index:1;position:fixed;left:0;top:0}.header-wrap{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);left:0;top:0;z-index:22;width:100%;background:0 0;border-bottom:1px solid #fff}.btn-mobile-nav{right:0;top:0;width:50px}.btn-mobile-nav i{display:block;background-size:100%;width:25px;height:25px;margin:15px 0 0 13px}.function-nav{background-image:url(../img/function-nav.png)}.mobile-nav{background-image:url(../img/nav.png)}.positionWrap{position:fixed;right:5px;bottom:5px;margin-top:-31px;width:62px;height:62px;text-align:center;line-height:62px;border:1px solid #f50;cursor:pointer;-webkit-transform:scale(.7);transform:scale(.7);background-color:#fff;z-index:333}.positionWrap:hover{background-color:#f50}.positionWrap .imgWth{display:none}.positionWrap:hover .imgWth{display:block;position:absolute;left:50%;top:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.banner-about.banner-about-h5{height:280px}.banner-about.banner-about-h5 .aboutImg-pc{display:none}.banner-about.banner-about-h5 .aboutImg-h5{display:block;width:100%}.banner-about-h5{height:280px;padding:0}.banner-about .aboutImg-pc{display:none}.banner-about .aboutImg-h5{display:block}.banner-about-h5 .banner-about .aboutImg-h5{width:417px;height:280px}}