@media screen and (max-width: 1024px) {
    .usa_tel a {
        font-size: 30px;
    }
    .usafr a:after {
        display: none;
    }

}
@media screen and (max-width: 768px) {
.usa-footer-top {
    display: none;
}
    .usa_top {
        display: none;
    }
    .usa_logo strong {
        font-size: 28px;
    }
    .usa_logo span {
        display: none;
    }
    .usa_tel a {
        font-size: 20px;
    }
    .usa_tel a {
        font-size: 26px;
        flex: 0 0 88%;
        margin-left: 0;
    }
    .usa_search {
        display: none;
    }
    .usanav_item a {
        font-size: 14px;
    }

}
@media screen and (max-width: 767px) {
    .usa_logo {
        flex: 0 0 50%;
    }
    .usa_tel {
        display: none;
    }
    .usa_middle_flex {
        height: 15vw;
    }
    .usa_nav_button {
        display: block;
    }
    .usa_logo strong {
        font-size: 6vw;
    }
    .navflex {
        background: #fff;
    }
    .usa_middle {
        background: #ffffff;
    }
    .usanav_item a {
        font-size: 3.74vw;
        text-align: left;
        padding: 0 15px;
        border-bottom: 1px solid #f3f4f8;
        height: 12vw;
        line-height: 12vw;
        color: #000000;
    }
    .usanav_item a:before {
        height: 1px;
        left: 0;
    }
    .usanav_item.active a:before {
        left: 50%;
    }
    .usanav_item:hover a:before {
        left: 50%;
    }
    .home_banner {
        padding-top: 0;
    }
    .banner img {
        object-fit: cover;
        height: 42vw;
    }
    .usa_heder {
        position: sticky;
        top: 0;
        z-index: 999;
        width: 100%;
    }
    .usa_pro {
        padding: 6% 0;
    }
    .usa_pro_flex {
        margin-top: 2%;
    }
    .usa_pro_box {
        margin-top: 4%;
        width: 48%;
    }
    .usa_title p {
        font-size: 5.4vw;
    }
    .usa_pro_box img {
        height: 30vw;
    }
    .usa_pro_p a {
        font-size: 3.74vw;
        height: 10vw;
        line-height: 10vw;
        padding-left: 3vw;
    }
    .usa_pro_show:after {
        height: 10vw;
    }
    .usa_pro_hidden h2 {
        font-size: 3.74vw;
        padding: 5vw 5vw 3vw;
    }
    .usa_pro_hidden ul {
        padding-left: 9vw;
    }
    .usa_pro_hidden ul li {
        font-size: 3vw;
    }
    .usa_hidden_more a {
        display: none;
    }
    .usa_order {
        padding: 6% 0;
    }
    .usa_order_flex {
        margin-top: 6%;
        flex-direction: column-reverse;
    }
    .usa_order_fl {
        flex: 0 0 100%;
        padding: 5%;
    }
    .usa_order_fr {
        flex: 0 0 100%;
        padding: 5%;
        margin-bottom: 6%;
        padding-bottom: 10%;
    }
    .order_fr_title h3 {
        font-size: 4.8vw;
    }
    .order_fr_title p {
        padding-bottom: 5%;
        margin-bottom: 5%;
        font-size: 3.74vw;
    }
.usanav_item.active a {
    color: #0266ca;
}
.usanav_item a:hover {
    color: #0266ca;
}
    .order_fr_bd .order_fr_input input {
        height: 10vw;
        line-height: 10vw;
        margin-bottom: 5%;
        font-size: 3.74vw;
    }
    .order_fr_bd .order_fr_input .input_submit{
        font-size: 3.74vw;
        height: 10vw;
        line-height: 10vw;
        margin: 0;
        padding: 0;
    }
    .usa_order_a {
        grid-gap: unset;
        gap: unset;
        margin-top: 5%;
        justify-content: space-between;
    }
    .usa_order_a a {
        height: 10vw;
        line-height: 10vw;
        width: 45%;
        padding: 0;
        font-size: 4.2vw;
        display: block;
        min-width: unset;
    }
    .usa_order_title h3 {
        font-size: 4.8vw;
    }
    .usa_order_text {
        font-size: 3.74vw;
        padding-top: 5%;
        margin-top: 5%;
    }
    .usa_quick {
        padding: 6% 0;
    }
    .usa_quick_box {
        width: 48%;
        margin-top: 4%;
        padding: 5%;
    }
    .usa_quick_flex {
        margin-top: 2%;
    }
    .usa_quick_box img {
        width: 8vw;
        height: 8vw;
    }
    .usa_quick_box h3 {
        font-size: 4.2vw;
        margin: 3% 0;
    }
    .usa_quick_box p {
        font-size: 3.4vw;
        line-height: 1.5;
    }
    .usa_quick_box span {
        font-size: 3.4vw;
        margin-top: 3%;
    }
    .usa_vuale {
        padding: 6%;
    }
    .usa_vuale h3 {
        font-size: 4.8vw;
        margin-bottom: 3%;
    }
    .usa_vuale p {
        font-size: 4.2vw;
    }
    .usa_vuale a {
        width: 40%;
        height: 10vw;
        line-height: 10vw;
        margin-top: 6%;
        border-radius: 5vw;
        font-size: 3.74vw;
    }
    .usa_vuale a:after {
        width: 96%;
        height: 9vw;
        line-height: 9vw;
        border-radius: 4.5vw;
    }
    .usa_anim {
        height: auto;
        left: 0;
        top: 0;
        transform: unset;
        position: unset;
    }
    .dance_footer {
        width: 100%;
    }
    .footer-left {
        top: 0;
        right: 0;
    }
    .footer-right {
        bottom: 0;
        left: 0;
    }
    .usa_our {
        padding: 6% 0;
    }
    .usa_our_box {
        width: 48%;
        margin-top: 4%;
        padding: 5%;
    }
    .usa_our_flex {
        margin-top: 2%;
    }
    .usa_our_box img {
        width: 8vw;
        height: 8vw;
    }
    .usa_our_box h3 {
        font-size: 4.2vw;
        margin: 3% 0;
    }
    .usa_our_box p {
        font-size: 3.4vw;
        line-height: 1.5;
        min-height: 8vw;
    }
    .usa_our_box span {
        font-size: 3.4vw;
        margin-top: 3%;
    }
    .usa_news {
        padding: 6% 0;
    }
    .usa_news_top {
        display: inline-block;
        margin: 0 auto;
        padding: 0px;
        text-align: center;
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: center;
        overflow-y: hidden;
        white-space: nowrap;
        padding-bottom: 10vw;
    }
.usa_news_hidden{
    overflow: hidden;
    height: 10vw;
    margin-top: 6%;
}    
.usa_news_top a {
    font-size: 4vw;
    margin: 0 3%;
}

.usa_news_box {
    width: 100%;
    margin-right: 0;
    margin-top: 4%;
}
.usa_news_box a {
    display: flex;
    justify-content: space-between;
    flex-direction: row-reverse;
}
.usa_news_thumb img {
    border-radius: 0 6px 6px 0;
}
.usa_news_text {
    padding: 5%;
    flex: 0 0 65%;
    border-radius: 6px 0 0 6px;
}
.usa_news_thumb {
    border-radius: 0 6px 6px 0;
    height: 27vw;
    flex: 0 0 35%;
}
.usa_news_text h3 {
    font-size: 3.74vw;
    margin-bottom: 8%;
    height: 9vw;
}
.usa_news_text span:last-child {
    display: none;
}
.usa_news_text span {
    font-size: 3.4vw;
}
.usa_news_box:first-child {
    margin-top: 0;
}
.usa_more a {
    height: 10vw;
    line-height: 10vw;
    font-size: 3.74vw;
    padding: 0 10vw;
    margin: 6% auto 0;
}
.usa_link {
    padding: 3% 0;
}
.usa_link_flex span {
    font-size: 3.74vw;
}
.usa_link_flex a {
    font-size: 3.74vw;
    padding-right: 3%;
}
.usa_details_fl {
    width: 100%;
    padding-right: 0;
}
.usa_details_fl:after {
    display: none;
}
.usa_details_fr {
    width: 100%;
    padding-left: 0;
}
.usa_details {
    padding: 5% 0;
}
.usa_details_title h1 {
    font-size: 4.2vw;
}
.usa_details_span span {
    width: 100%;
}
.usa_details_span {
    flex-wrap: wrap;
    font-size: 3.74vw;
    margin-bottom: 5%;
    padding: 3% 0;
}
.usa_weizhi a {
    font-size: 3.74vw;
}
.usa_weizhi  {
    font-size: 3.74vw;
}
.usa_pos {
    padding: 3% 0;
}
.usa_detail_blockquote {
    padding: 3% 5%;
    margin-top: 6vw;
}
.usa_detail_blockquote h6 {
    font-size: 3.74vw;
}
.usa_detail_blockquote p {
    font-size: 3.4vw;
}
.usa_prev_next {
    margin: 8% 0;
    flex-wrap: wrap;
}
.prev_next {
    width: 100%;
    font-size: 3.74vw;
    line-height: 2;
}
.prev_next a {
    font-size: 3.74vw;
}
.usa_like h3 {
    height: auto;
    line-height: unset;
    padding-bottom: 3%;
    font-size: 4.2vw;
    margin-bottom: 3%;
}
.usa_like_fr a {
    font-size: 3.74vw;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    height: auto;
    min-height: 10vw;
    margin-bottom: 7vw;
}
.usa_widget {
    margin-top: 6%;
}
.usa_widget h3 {
    height: auto;
    line-height: unset;
    padding-bottom: 3%;
    font-size: 4.2vw;
    margin-bottom: 3%;
}
.usa_widget h3:after {
    width: 17vw;
}
.usa_widget li {
    margin-bottom: 3%;
}
.usa_widget li a {
    font-size: 3.74vw;
}
.usa_lily {
    padding: 5%;
}
.usa_lily p {
    font-size: 4.8vw;
}
.usa_lily a {
    margin: 5% auto 0;
    height: 10vw;
    line-height: 10vw;
    font-size: 4.2vw;
    border-radius: 5vw;
}
.usa_lily span {
    font-size: 4.2vw;
}
.usa_widget:last-child {
    position: unset;
}

.usa_create {
    padding: 8% 0;
}
.usa_create_text h2 {
    font-size: 5.4vw;
}
.usa_create_text p {
    font-size: 3.74vw;
    text-align: center;
}
.usa_create_onlick a {
    margin: 3% 1.5% 0;
    width: 30vw;
    font-size: 3.74vw;
    height: 10vw;
    line-height: 10vw;
}



.usa-footer-top {
    display: none;
}
.usa-footer-bqba p {
    font-size: 13px;
}
.usa-index-advantage-link {
    padding-bottom: 6%;
}
.usa-fmoblie {
    display: block;
    margin-top: 50px;
    box-shadow: 0px -1px 5px 0 #00000047;
}
.usa-footermoblie {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 52px;
    background: #182434;
    -webkit-transition: transform .2s ease-out;
    -o-transition: transform .2s ease-out;
    transition: transform .2s ease-out;
    z-index: 99;
}
.usa-sjdb {
    display: flex;
    justify-content: space-between;
}
.usa-tb {
    width: 20%;
    text-align: center;
    padding: 7px 0 0;
}
.usa-tb.usa-vs a {
    color: rgb(235 156 3);
}
.usa-tb a {
    color: #ffffff;
    font-size: 12px;
    text-decoration: none;
}
.usa-tb i {
    display: block;
    font-size: 20px;
}
.usa-tb:last-child i {
    font-size: 0;
}

.usa_like ul li {
    margin-bottom: 3%;
    padding-bottom: 3%;
    border-bottom: 1px solid #f2f2f2;
    width: 100%;
    display: flex;
    margin-right: 0;
    justify-content: space-between;
    align-items: flex-start;
}

.usa_like_fl {
    width: 30%;
}

.usa_like_fr {
    width: 68%;
    padding: 0;
}
.usa_like_fl img {
    height: 23vw;
}

.usa_like ul li h4 {
    font-size: 3.4vw;
    margin-top: 3%;
}
.usa_like ul li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border: none;
}


.usa_widget ul li {
    margin-bottom: 3%;
    padding-bottom: 5%;
    border-bottom: 1px solid #f2f2f2;
}
.usa_widget ul li h4 {
    font-size: 3.4vw;
    margin-top: 3%;
}
.usa_widget ul li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border: none;
}








}