@media only screen and (max-width: 1820px){
    .header{
        padding: 0 50px;
    }
    .header-nav-box{
        margin-right: 50px;
    }
}

@media only screen and (max-width: 1530px){
    .header-right{
        width: 1050px;
    }
    .header-nav-list{
        width: 1050px;
    }
    .header-nav-li{
        width: 106px;
    }
    .header-nav-li:nth-child(2){
        width: 120px;
    }
    .header-nav-li:nth-child(4){
        width: 100px;
    }
    .header-nav-li:nth-child(5){
        width: 170px;
    }
    .header-nav-li:nth-child(6){
        width: 150px;
    }
}

@media only screen and (max-width: 1400px) {
    .header{
        padding: 0 2.5%;
    }
    .header-right a{
        margin-left: 30px;
    }
    .header-nav-box{
        margin-right: 2.5%;
    }
}

@media only screen and (max-width: 1316px) {
    .header-right{
        width: 932px;
    }
    .header-nav-list{
        width: 932px;
    }
    .header-nav-li a{
        font-size: 12px;
    }
    .header-nav-li{
        width: 95px;
    }
    .header-nav-li:nth-child(2){
        width: 100px;
    }
    .header-nav-li:nth-child(4){
        width: 95px;
    }
    .header-nav-li:nth-child(5){
        width: 165px;
    }
    .header-nav-li:nth-child(6){
        width: 190px;
    }
}

@media only screen and (max-width: 1300px) {
    .footer-line{
        margin: 0 100px;
    }

}

@media only screen and (max-width: 1200px) {
    .header-nav-list{
        width: 844px;
    }
    .header-right a{
        font-size: 15px;
    }
    .header-right{
        width: 844px;
    }
}

@media only screen and (max-width: 992px) {
    .header-right{
        display: none;
    }
    .header-menu{
        display: flex;
    }
    .header{
        height: 50px;
    }
    .header-left img{
        width: 50px;
    }
    .header-nav{
        display: none;
    }
    .index-banner-tit{
        width: 100%;
        font-size: 30px;
        overflow: auto;
    }
    .index-banner-line{
        margin: 30px 0;
    }
    .index-banner-desc{
        font-size: 20px;
        margin-bottom: 60px;
    }
    .index-banner-btn{
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .index-banner-btn a{
        height: 50px;
        width: 49%;
        margin-right: 0;
        font-size: 14px;
        padding: 0 20px;
        margin-bottom: 10px;
    }
    .index-banner-more{
        width: auto;
        padding: 0 15px;
        font-size: 14px;
        top: 60px;
    }
    .apac-title-tit{
        font-size: 40px;
    }
    .apac-title-desc{
        font-size: 14px;
    }
    .meetin-countdown{
        margin-top: 70px;
    }
    .meetin-countdown-item{
        flex: 1;
        margin-right: 10px;
        padding: 20px;
        height: auto;
        border-radius: 20px;
    }
    .meetin-countdown-num{
        font-size: 36px;
        margin-bottom: 15px;
    }
    .meetin-countdown-desc{
        font-size: 10px;
    }
    .meetin-countdown-tip{
        margin-bottom: 15px;
    }
    .dates-list-li-left{
        margin-right: 40px;
        font-size: 18px;
    }
    .dates-list-li-item-time span{
        margin-right: 40px;
    }
    .dates-list-li-item-desc img{
        margin-right: 35px;
    }
    .dates-list-li-item-time{
        font-size: 18px;
    }
    .dates-list-li-item-desc{
        font-size: 20px;
    }
    .overview-con{
        display: block;
        margin-top: 60px;
    }
    .overview-left{
        width: 100%;
        margin-bottom: 40px;
    }
    .overview-tit{
        font-size: 48px;
        margin-bottom: 30px;
    }
    .overview-desc span{
        margin-top: -14px;
    }
    .overview-desc{
        font-size: 22px;
        margin-bottom: 50px;
    }
    .overview-item-left{
        margin-right: 30px;
    }
    .overview-item-tit{
        font-size: 18px;
    }
    .overview-item-desc{
        font-size: 20px;
    }
    .overview-jx{
        bottom: 40px;
        right: 30px;
    }
    .apac-years-img{
        position: static;
        margin-top: 40px;
    }
    .apac-years-tu{
        padding: 60px 0;
    }
    .apac-years-img img{
        width: 100%;
    }
    .apac-years-left img{
        width: 40px;
    }
    .apac-years-li-year{
        font-size: 18px;
    }
    .apac-years-list{
        width: 100%;
        height: 332px;
        margin-bottom: 40px;
        align-content: space-between;
    }
    .apac-years-li-line{
        width: 10px;
        margin: 0 8px;
    }
    .apac-years-li-city{
        font-size: 14px;
        width: 100px;
    }
    .apac-years-child{
        display: block;
    }
    .apac-years-after-line{
        width: 100%;
        margin-bottom: 60px;
    }
    .apac-years-after-desc{
        font-size: 24px;
    }
    .apac-years-after-tit{
        font-size: 56px;
    }
    .footer-right{
        display: none;
    }
    .footer-line{
        display: none;
    }
    .footer-left{
        width: 100%;
    }
    .footer{
        padding-top: 70px;
    }
    .footer-logo img{
        width: 80px;
    }
    .footer-info{
        width: 100%;
    }
    .footer-contact{
        width: 48%;
        margin-left: 20px;
    }
    .footer-contact-tit{
        margin-top: 30px;
    }
    .footer-contact-item-desc{
        font-size: 22px;
    }
    .footer-contact-item{
        margin-bottom: 50px;
    }
    .footer-info-line{
        margin-top: 50px;
        opacity: 0;
    }
    .footer-copyright{
        font-size: 14px;
        margin-bottom: 10px;
        margin-right: 0;
    }
    .footer-bottom{
        display: block;
        text-align: center;
        border-top: 1px solid rgba(255,255,255,0.2);
    }
    .footer-beian a{
        font-size: 14px;
    }
    .banner-img img{
        height: 370px;
        object-fit: cover;
    }
    .banner-con-tit{
        font-size: 48px;
    }
    .banner-con-desc{
        font-size: 20px;
    }
    .nav-li{
        font-size: 14px;
    }
    .nav-content{
        min-height: 50px;
        padding: 10px 0;
        overflow-x: auto;
    }
    .nav-content::-webkit-scrollbar{
        width: 0;
        height: 0;
    }
    .title-content-con span{
        font-size: 30px;
    }
    .title-content-con img{
        width: 25px;
    }
    .title-content-con{
        margin: 0 20px;
    }
    .about{
        padding: 70px 0;
    }
    .banner-box{
        height: calc(100% - 50px);
    }
    .about-con p{
        font-size: 16px;
    }
    .about-con-tu img{
        margin-right: 5px;
        width: calc((100% - 10px)/3);
    }
    .nav-box{
        min-width: 880px;
    }
    .about-con{
        margin-top: 40px;
    }
    .council-desc{
        font-size: 16px;
    }
    .council-table-th .council-table-td{
        font-size: 16px;
    }
    .council-table-td{
        font-size: 14px;
    }
    .council-table-box{
        min-width: 930px;
    }
    .council-table{
        overflow-x: auto;
    }
    .council-table::-webkit-scrollbar{
        width: 0;
        height: 0;
    }
    .council-remark a{
        font-size: 18px;
        line-height: 1.5;
    }
    .scientific-desc{
        font-size: 20px;
        margin-bottom: 80px;
    }
    .local{
        padding-bottom: 100px;
    }
    .local-item-tit span{
        font-size: 18px;
    }
    .local-item-desc{
        font-size: 18px;
    }
    .local-item:last-child .local-item-desc p{
        border: 0;
    }
    .program-con{
        margin-top: 60px;
    }
    .program-table-th .program-table-td{
        font-size: 16px;
    }
    .program-table-td{
        font-size: 14px;
    }
    .program-table-box{
        min-width: 930px;
    }
    .program-table{
        overflow-x: auto;
    }
    .program-table::-webkit-scrollbar{
        width: 0;
        height: 0;
    }
    .tour-connect-tit span{
        font-size: 18px;
        margin-left: 20px;
    }
    .tour-connect-tit{
        margin-bottom: 40px;
    }
    .tour-connect-con{
        height: auto;
        padding: 20px;
        margin-bottom: 40px;
    }
    .tour-connect-con-tit{
        font-size: 18px;
        line-height: 1.5;
        margin-bottom: 20px;
    }
    .tour-connect-con-desc{
        font-size: 16px;
        line-height: 1.5;
    }
    .tour-connect-li-con{
        margin-left: 20px;
    }
    .tour-connect-li-con{
        font-size: 16px;
        line-height: 1.5;
    }
    .tour-connect-li-con span{
        font-size: 18px;
    }
    .tour-connect-zu{
        display: block;
    }
    .tour-connect-zu-li{
        margin-right: 0;
        margin-bottom: 40px;
    }
    .tour-connect-zu-tit{
        font-size: 22px;
    }
    .tour-stay{
        padding: 40px 0;
    }
    .tour-stay-box{
        display: block;
    }
    .tour-stay-line{
        margin-right: 20px;
    }
    .tour-stay-tit{
        font-size: 18px;
    }
    .tour-stay-desc{
        font-size: 20px;
    }
    .tour-stay-left{
        margin-bottom: 30px;
    }
    .tour-stay-right{
        width: 100%;
        text-align: justify;
    }
    .tour-option-item-con{
        display: block;
    }
    .tour-option-item-img{
        width: 100%;
        margin-right: 0;
        margin-bottom: 30px;
    }
    .tour-option-item-tit{
        font-size: 20px;
    }
    .tour-option-item-info-text{
        font-size: 16px;
    }
    .tour-option-item-tit2{
        font-size: 18px;
    }
    .tour-know-tit{
        font-size: 22px;
    }
    .tour-option{
        padding: 50px 0 10px 0;
    }
    .registration{
        padding-top: 70px;
    }
    .registration-step{
        margin-top: 60px;
    }
    .registration-step-li{
        padding-left: 20px;
    }
    .registration-step-desc{
        font-size: 20px;
        line-height: 1.2;
    }
    .registration-pro-con{
        display: block;
        margin-top: 60px;
    }
    .registration-pro{
        padding: 70px 0;
    }
    .registration-pro-item{
        margin-bottom: 40px;
    }
    .registration-pro-item-tit{
        margin-bottom: 20px;
    }
    .registration-pol-tit{
        font-size: 30px;
        line-height: 1.2;
    }
    .registration-pol-tit span{
        margin-right: 20px;
    }
    .registration-pol-desc{
        text-align: justify;
    }
    .registration-pol-desc p{
        font-size: 16px;
        line-height: 2;
    }
    .registration-pol-table table th{
        font-size: 18px;
    }
    .registration-pol-table table td{
        font-size: 16px;
    }
    .registration-pol-table table{
        min-width: 930px;
    }
    .registration-pol-table{
        overflow-x: auto;
        display: block;
    }
    .registration-pol-table::-webkit-scrollbar{
        width: 0;
        height: 0;
    }
    .general-map{
        padding: 0 0 20px 0;
    }
    .general-tit{
        font-size: 22px;
    }
    .general-desc{
        font-size: 18px;
    }
    .general-transportation-li{
        display: block;
        margin-bottom: 50px;
    }
    .general-transportation-left{
        width: 100%;
        margin-right: 0;
        margin-bottom: 30px;
    }
    .general-transportation-top{
        font-size: 18px;
    }
    .general-transportation-bottom{
        font-size: 18px;
    }
    .general-transportation-line{
        margin-right: 25px;
    }
    .general-transportation-top:before{
        margin-right: 20px;
    }
    .general-transportation-list-text{
        font-size: 14px;
    }
    .general-transportation-bottom:before{
        margin-right: 20px;
    }
    .accommodation-li{
        display: block;
    }
    .accommodation-li-tu{
        width: 100%;
        margin-right: 0;
        margin-bottom: 30px;
    }
    .accommodation-li-con{
        padding-left: 0;
        padding-bottom: 20px;
    }
    .accommodation-li-tit{
        font-size: 20px;
        margin-bottom: 25px;
    }
    .accommodation-li-text{
        font-size: 18px;
    }
    .accommodation-li-text span:first-child{
        width: 125px;
    }
    .visa{
        padding-top: 60px;
    }
    .visa-top-text{
        margin-top: 50px;
    }
    .visa-top-tit{
        font-size: 20px;
    }
    .visa-top-desc{
        font-size: 18px;
        line-height: 1.2;
    }
    .visa-important-tit{
        font-size: 20px;
    }
    .visa-important-desc{
        font-size: 18px;
    }
    .visa-important{
        margin-bottom: 50px;
    }
    .visa-item-tit{
        font-size: 20px;
    }
    .visa-item-desc{
        font-size: 16px;
        text-align: justify;
    }
    .visa-table-tit{
        font-size: 20px;
        margin-top: 50px;
        margin-bottom: 30px;
    }
    .visa-table-th .visa-table-td{
        font-size: 18px;
    }
    .visa-table-td:first-child{
        font-size: 16px;
    }
    .visa-table-box{
        min-width: 930px;
    }
    .visa-table{
        overflow-x: auto;
    }
    .visa-table::-webkit-scrollbar{
        width: 0;
        height: 0;
    }
    .visa-table-td:last-child{
        font-size: 16px;
    }
    .visa-notes-tit span{
        font-size: 20px;
    }
    .visa-notes-desc{
        font-size: 16px;
        text-align: justify;
    }
    .meetin{
        padding: 50px 0 70px 0;
    }
    .index-banner-con{
        padding-bottom: 90px;
    }
    .download-con{
        margin-top: 60px;
    }
    .download-li{
        font-size: 16px;
    }
    .about-con-img img{
        height: 200px;
    }
    .contact-item-desc{
        font-size: 20px;
    }
    .contact-item-tit{
        font-size: 16px;
    }
    .accommodation-li-right{
        padding-left: 0;
        display: block;
    }
    .accommodation-li-map{
        width: 100%;
        margin-left: 0;
    }
    .welcome-box{
        display: block;
    }
    .welcome-left{
        width: 100%;
        margin-right: 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 30px;
    }
    .welcome-tu{
        width: 47%;
        margin-bottom: 0;
    }
    .welcome-tu-line{
        margin-right: 5px;
    }
    .welcome-tu-img img{
        width: 100%;
    }
    .welcome-tu-img span{
        width: 100%;
        font-size: 20px;
    }
    .welcome-right{
        width: 100%;
    }
    .welcome-right-tit{
        font-size: 18px;
    }
    .welcome-right-item{
        margin-right: 20px;
    }
    .welcome-right-item-tit{
        font-size: 18px;
    }
    .welcome-right-item-desc{
        font-size: 16px;
        line-height: 1.2;
        text-align: center;
        text-indent: 0;
        /*margin-left: 2em;*/
    }
    .discover-tit{
        font-size: 20px;
    }
    .discover-table-tit{
        width: 105px;
        padding: 15px 10px;
        line-height: 1.2;
        font-size: 16px;
    }
    .discover-table-desc{
        padding: 15px 20px;
        font-size: 14px;
    }
    .discover-text p img{
        margin-left: -2em;
    }
    .welcome-tu-desc{
        font-size: 16px;
        height: 32px;
    }
}

@media only screen and (max-width: 700px) {
    .about-con-img img{
        height: 150px;
    }
}

@media only screen and (max-width: 500px) {
    .about-con-img img{
        height: 100px;
    }
}