/************************************************************************************
more than 900
*************************************************************************************/
@media screen and (min-height: 900px) {


}

/************************************************************************************
smaller than 900
*************************************************************************************/
@media screen and (max-height: 900px) {
    .banner-txt3{
        top:18%;
    }
    .banner4-txt{
        margin-top:8%;
        background-size:80% 80%;
    }

}

/************************************************************************************
more than 1366
*************************************************************************************/
@media screen and (min-width: 1366px) {
    .logo{
        width:200px;
    }
    .nav-btn{
        width:112px;
    }
    .nav ul{
        margin-top:16%;
    }

    .nav ul li{
        font-size:38px;
    }
}



/************************************************************************************
smaller than 1366
*************************************************************************************/
@media screen and (max-width: 1366px) {
    .logo{
        width:200px;

    }
    .nav-btn{
        width:112px;
    }
    .nav ul{
        margin-top:16%;
    }
    .nav ul li{
        font-size:38px;
    }
    .banner3-txt ul li.first{
        font-size:15px;
        height:15px;
    }
    .tileOne{
        width: 100%;
        padding: 0 20px;
        font-size: 32px;
        line-height: 32px;
        box-sizing: border-box;
    }
    .tileTwo{
        width: 100%;
        padding: 0 20px;
        font-size: 30px;
        line-height: 34px;
        box-sizing: border-box;
    }
    .content{
        width: 100%;
        padding: 0 20px;
        font-size: 22px;
        line-height: 30px;
        box-sizing: border-box;
    }
    .bottom3{
        display: block;
    }
    .bottom3 > span{
        display: block;
        margin-bottom: 10px;
    }
    .buy_cen{
        padding:0 5%;
    }
    .buy_bottom{
        padding:0 5%;
    }
    .buy_cen_item_title{
        font-size: 24px;
    }
    .buy_bottom_item > span{
        font-size: 22px;
    }
}

@media screen and (max-width: 1050px) {
    .buy_bottom_item > span{
        font-size: 18px;
    }
    .buy_top{
        padding-top:300px;
    }
}

@media screen and (max-width: 920px) {
    .buy{
        overflow-y: auto;
    }
    .buy_bottom_item > span{
        font-size: 15px;
    }
    .buy_top{
        padding-top:300px;
    }
    .buy_cen{
        flex-wrap: wrap;
    }
    .buy_cen_item{
        margin-bottom:10px;
    }
}

/************************************************************************************
smaller than 640
*************************************************************************************/
@media screen and (max-width: 640px) {
    .logo{
        width:140px;
    }
    .nav-btn{
        width:81px;
    }
    .nav ul{
        margin-top:24%;
    }
    .nav ul li{
        font-size:32px;
    }
    .swiper-wrapper p{
        margin:0 auto;
        width:90%;
        font-size:12px;
        line-height:18px;
    }
    .swiper-wrapper h2{
        margin-top:15px;
        font-size:12px;
        line-height:12px;
    }
    .swiper-wrapper h1{
        margin-bottom:17px;
        font-size:12px;
        line-height:12px;
    }
    .banner1-text1{
        top:40%;
    }
    .banner1-text2{
        top:40%;
    }
    .banner2-text1{
        top:40%;
    }
    .banner2-text2{
        top:40%;
    }
    .banner3-text1{
        top:30%;
    }
    .banner3-text2{
        top:30%;
    }
    .switch img{
        width:40px;
    }
    .tileOne{
        width: 100%;
        padding: 0 20px;
        font-size: 26px;
        line-height: 26px;
        box-sizing: border-box;
    }
    .tileTwo{
        width: 100%;
        padding: 0 20px;
        font-size: 24px;
        line-height: 28px;
        box-sizing: border-box;
    }
    .content{
        width: 100%;
        padding: 0 20px;
        font-size: 16px;
        line-height: 26px;
        box-sizing: border-box;
    }
    .buy_cen{
        padding:0 4%;
    }
    .buy_top{
        padding-top:50px;
    }
    .buy_title{
        width: 100%;
        padding: 0 20px;
        font-size: 28px !important;
        line-height: 30px !important;
        box-sizing: border-box;
    }
    .buy_content{
        width: 100%;
        padding: 0 20px;
        font-size: 18px !important;
        line-height: 22px !important;
        box-sizing: border-box;
        margin-bottom: 50px;
    }
    .buy_cen::after {
        content: '';
        display: block;
        width: 140px;
        
    }
    .buy_cen_item_button > span{
        font-size:12px;
    }
    .buy_bottom{
        position: relative;
        flex-wrap: wrap;
        bottom:20px;
        margin-top:40px;
        align-items: center;
    }
    .buy_bottom_item{
        margin-bottom:10px;
    }
    .buy_bottom_item > img{
        width:50px;
        height:50px;
    }
    .buy_bottom_item > span{
        font-size:12px;
    }
    .banner3 {
        background: url("../image/mindex2bg.png") no-repeat center center / cover;
    }
    .banner3-center, .banner3-center-jp {
        position: relative;
        width: 100%;
        padding-top: 180px;
        margin: 0 auto;
        text-align: center;
        transform: none;
        top: auto;
        left: auto;
        padding-left: 0;
    }
    .banner3-title {
        font-size: 48px !important;
        line-height: 1.2 !important;
        margin-bottom: 30px;
        text-align: center !important;
    }
    .banner3-content {
        font-size: 18px !important;
        line-height: 1.7 !important;
        text-align: center !important;
        color: #4f7385;
        max-width: 70%;
        margin: 0 auto;
    }
    .bottom3 {
        width: 100%;
        height: auto;
        flex-direction: column;
        text-align: center;
        bottom: 0;
        padding: 15px 10%;
        transform: none;
        left: 0;
        background-color: #B7DDF0;
    }
    .footer-content {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .bottom3 .footer-content span {
        margin-bottom: 8px;
        font-size: 14px;
        text-align: center;
        font-family: "hmr" ,sans-serif;
        font-weight: 400;
        color: #0e2b3d;
    }
    .top {
        padding: 0 5%;
        top: 3%;
    }
    .yuyan-item {
        width: 80px;
        height: 30px;
        font-size: 16px;
    }
}

/************************************************************************************
smaller than 480
*************************************************************************************/
@media screen and (max-width: 480px) {
    .logo{
        width:120px;
    }
    .nav-btn{
        width:81px;
        margin-left:10px;
    }
    .nav ul{
        margin-top:32%;
    }
    .nav ul li{
        font-size:24px;
    }
    .switch img{
        width:30px;
    }
    .tileOne{
        width: 100%;
        padding: 0 20px;
        font-size: 20px !important;
        line-height: 30px !important;
        box-sizing: border-box;
    }
    .content{
        width: 100%;
        padding: 0 20px;
        font-size: 14px !important;
        line-height: 22px !important;
        box-sizing: border-box;
    }
    .bottom{
        font-size: 12px;
    }
    .bottom3 {
        padding: 10px 10%;
    }
    .footer-content {
        padding: 5px 0;
    }
    .bottom3 .footer-content span {
        margin-bottom: 6px;
        font-size: 10px;
    }
    .top {
        padding: 0 4%;
        top: 2%;
    }
    .yuyan-item {
        width: 60px;
        height: 25px;
        font-size: 14px;
        margin-left: 5px;
    }
    .banner3 .banner3-text2 .tileOne{
        font-family: "";
        font-weight:400;
    }
    .more{
        width: 170px;
        font-size: 14px;
    }
    .banner1-text2 .more{
        width: 180px;
    }
    .buy_bottom{
        padding:0 25%;
    }
    .banner3 {
        background: url("../image/mindex2bg.png") no-repeat center center / cover;
    }
    .banner3-center, .banner3-center-jp {
        padding-top: 15vh;
    }
    .banner3-title {
        font-size: 32px !important;
    }
    .banner3-content {
        font-size: 12px !important;
    }
    .banner3-center-jp .banner3-title {
        font-size: 36px !important;
    }
}

@media screen and (max-width: 380px) {
    .banner3-center, .banner3-center-jp {
        padding-top: 15vh;
    }
    .banner3-title {
        font-size: 32px !important;
        margin-bottom: 20px;
    }
    .banner3-content {
        font-size: 14px !important;
    }
    .banner3-center-jp .banner3-title {
        font-size: 32px !important;
    }
    .bottom3 {
        padding: 8px 10%;
    }
    .bottom3 .footer-content span {
        margin-bottom: 5px;
        font-size: 10px;
    }
    .top {
        padding: 0 3%;
        top: 1.5%;
    }
    .yuyan-item {
        width: 55px;
        height: 22px;
        font-size: 12px;
        margin-left: 4px;
    }
}

@media screen and (max-width: 320px) {
    .banner3-center, .banner3-center-jp {
        padding-top: 15vh;
    }
    .banner3-title {
        font-size: 32px !important;
        margin-bottom: 15px;
    }
    .banner3-content {
        font-size: 12px !important;
    }
    .banner3-center-jp .banner3-title {
        font-size: 28px !important;
    }
    .bottom3 {
        padding: 5px 10%;
    }
    .bottom3 .footer-content span {
        margin-bottom: 4px;
        font-size: 9px;
    }
    .banner3 {
        background-position: center 35%;
    }
}