html,body{
    padding:0;
    margin:0;
}
a{
    display: block;
    text-decoration: none;
}
.technical-support{
    color:#808080;
}
@media screen and (max-width:500px) {


    .pc {
        display: none !important;
    }

    /* .swiper-button-next, .swiper-rtl .swiper-button-prev{
        right:var(--swiper-navigation-sides-offset,0px)!important;
        left:auto;
    }
    .swiper-button-prev, .swiper-rtl .swiper-button-next{
        left: var(--swiper-navigation-sides-offset,0px)!important;
    right: auto;
    } */

    .to_index{
        cursor: pointer;
    }


    .toptitle .t1 {
        display: none;
    }

    .toptitle {
        height: 50px;
        display: flex;
        padding: 0 27px 0 22px;
        align-items: center;
        justify-content: space-between;
    }

    .toptitle .icon {
        width: 91px;
        height: 21px;
        background-image: url(https://xiilon-1304667790.cos.ap-guangzhou.myqcloud.com/page%2Fimage%2Fxinlang_index_logo.png);
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
    }

    .top-menu-btn {
        position: relative;
        width: 15px;
        height: 12px;
        background-image: url(https://xiilon-1304667790.cos.ap-guangzhou.myqcloud.com/page%2Fimage%2Fxinlang_index_menu.png);
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain;

    }

    #top_menus {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
      
       width: 100vw;
        transform: translateX(100vw);
        transition: 0.5s;
        z-index: 10;
        overflow-y: scroll;
    }
    #top_menus .btn-list{
        float:right;
         width: 195px;
         background-color: #00000080;
         position: relative;
         height:100vh;
         overflow-y: scroll;
    }
    #top_menus .btn-list a{
        color:#fff;
        display: block;
    }

    #top_menus .cover{
        position: absolute;
    width: 100vw;
    height: 100vh;
    right: 0;
    top: 0;
    z-index: 0;
    }

    #top_menus.hover {
        transform: translateX(0);
        box-shadow: 0 0 5px 2px #00000010;
    }

    #top_menus .btn-list .btn.withchild::after {
        content: '';
        width: 0;
        height: 0;
        border-top: 10px solid #fff;
        border-left: 7px solid transparent;
        border-right: 7px solid transparent;
        transition: 0.5s;
        margin: 0 auto;
        display: block;
        position: absolute;
        right: 10px;
        top: 26px;
    }
    #top_menus .btn-list .btn.withchild:hover::after {
        transform: rotate(180deg);  
        border-top-color: #000;
    }
    #top_menus .btn-list .btn .btn-link{
        height:60px;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
font-weight: 400;
font-size: 24px;
transition: 0.3s;
color:#fff;
    }
    #top_menus .btn-list .btn{
        position: relative;
    }
    #top_menus .btn-list .btn .sub-btns{
        overflow: hidden;
    }
    #top_menus .btn-list .btn .sub-btn{
        height:0;
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
font-weight: 400;
font-size:20px;
transition: 0.3s;
color:#fff;
    }
    #top_menus .btn-list .btn:hover .sub-btn{
        height:40px;
    }


    #top_menus .btn-list .btn:hover .btn-link {
        background-color: #fff;
        color: #1A2556;
    }

    .box-btn {
        background-image: linear-gradient(135deg, #1C1A4F, #03B2B4);
        width: 127px;
        height: 45px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 35px auto 53px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        font-size: 17px;
        color: #FFFFFF;
        transition: 0.3s;
    }

    .box-btn:hover {
        box-shadow: 0 0 5px 2px #00000030;
    }

   


    .filling-box {
        padding: 69px 28px 35px;
        background-color: #f0f0f0;

    }

    .filling-box .t2 {
        margin-bottom: 31px;
    }

    .filling-box input,
    .filling-box textarea {
        background-color: #fff;
        border: 0;
        padding-left: 13px;
        font-size: 14px;
        color: #4d4d4d;
        display: block;
        width: 100%;
        height: 50px;
        margin-bottom: 13px;
    }

    .filling-box input::placeholder,
    .filling-box textarea::placeholder {
        color: #979797;
    }

    .filling-box textarea {
        height: 270px;
        margin-bottom: 0;
        resize: none;
        padding-top: 15px;
    }



    .footer {
        padding: 22px 29px;
        background-color: #000;
    }

    .footer .t1 {
        font-family: Source Han Sans CN;
        font-weight: bold;
        font-size: 16px;
        color: #FFFFFF;
        padding-left: calc(93px - 29px);
        position: relative;
    }

    .footer .t1::before {
        content: '';
        position: absolute;
        width: 62px;
        height: 15px;
        background-image: url(https://xiilon-1304667790.cos.ap-guangzhou.myqcloud.com/page%2Fimage%2Fxinlang_index_logo.png);
        background-repeat: no-repeat;
        background-position: center;
        background-size: contain;
        left: 0;
        top: 50%;
        margin-top: -7.5px;
    }

    .footer .t2 {
        font-weight: 400;
        font-size: 10px;
        color: #FFFFFF;
        line-height: 16px;
        margin-top: 5px;
    }

}

@media screen and (min-width:501px) {
    
    .mobile {
        display: none !important;
    }
    .animate__delay-250ms{
        animation-delay: 250ms;
    }
    .animate__delay-300ms{
        animation-delay: 300ms;
    }
    .animate__delay-500ms{
        animation-delay: 500ms;
    }
    .animate__delay-700ms{
        animation-delay: 700ms;
    }
    .animate__delay-750ms{
        animation-delay: 750ms;
    }
    .box-btn {
        background-image: linear-gradient(90deg, #1C1A4F, #03B2B4);
        width: 88px;
        height: 31px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 30px;
        font-weight: 400;
        font-size: 11px;
        color: #FFFFFF;
        cursor: pointer;
    }

    .box1 {
        min-width: 1366px;
        height:799px;
        position: relative;
        display: flex;
        align-items: flex-start;

    }

    .mobile {
        display: none !important;
    }

    .toptitle {
        position: absolute;
        top: 20px;
        left: 0;
        width: 100vw;
        min-width: 1366px;
        display: flex;
        align-items: center;
        z-index: 2;
        justify-content: center;

    }

    .toptitle .icon {
        width: 127px;
        cursor: pointer;
        height: 31px;
        margin-right: 6px;
        background-image: url(https://xiilon-1304667790.cos.ap-guangzhou.myqcloud.com/page%2Fimage%2Fxinlang_index_logo.png);
        background-size: contain;
        background-repeat: no-repeat;
        background-position: center;
    }

    .toptitle .t1 {
        font-weight: bold;
        font-size: 32px;
        color: #FFFFFF;
        line-height: 1;
        margin-right: 5px;
    }

    .toptitle .top-menu-btn {
        display: none;
    }

    #top_menus,#top_menus2 {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    #top_menus .btn-list,#top_menus2 .btn-list{
        display: flex;
        align-items: center;
    }

    #top_menus .btn-list .btn,#top_menus2 .btn-list .btn {
        margin: 0 14px;
        height:60px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 400;
        font-size: 14px;
        cursor: pointer;
        color: #FFFFFF;
        line-height: 1;
        position: relative;
    }
    #top_menus .btn-list .btn .btn-link,#top_menus2 .btn-list .btn .btn-link{
     color:#fff;
        text-decoration: none;
    }
    #top_menus .btn-list .btn .sub-btns,#top_menus2 .btn-list .btn .sub-btns{
        position: absolute;
        top:50px;
        left:50%;
        margin-left:-60px;
        background-color: #fff;
        
    }
    #top_menus .btn-list .btn:hover .sub-btns::before,#top_menus2 .btn-list .btn:hover .sub-btns::before{
        content: '';
        width:0px;
        height: 0px;
        border-top:7px solid #fff;
        border-right:7px solid transparent;
        border-left:7px solid transparent;
        position: absolute;
        transform: rotate(180deg);
        margin-top: -7px;
        margin-left: 53px;

        z-index: 0;
    }
    #top_menus .btn-list .btn .sub-btns .sub-btn,#top_menus2 .btn-list .btn .sub-btns .sub-btn{
        height:0;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #fff;
        color:#808080;
        width:120px;
        transition: 0.5s;
        overflow: hidden;
        position: relative;
        z-index: 1;
    }
    #top_menus .btn-list .btn:hover .sub-btns .sub-btn,#top_menus2 .btn-list .btn:hover .sub-btns .sub-btn{
        height:30px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #fff;
        color:#808080;
        transition: 0.5s;
    }
    #top_menus .btn-list .btn:hover .sub-btns .sub-btn:hover,#top_menus2 .btn-list .btn:hover .sub-btns .sub-btn:hover{
        background-color: #00000080;
        color:#fff;
    }

    .filling-box {
        padding-top: 78px;
        box-sizing: border-box;
        height: 629px;
        background-color: #F0F0F0;
    }

    .filling-box .t1 {
        font-weight: bold;
        font-size: 25px;
        color: #1A2556;
        text-align: center;
        line-height: 1;
    }

    .filling-box .t2 {
        font-weight: 400;
        font-size: 14px;
        margin-top: 8px;
        text-align: center;
        color: #1A2556;
        line-height: 1;

    }

    .filling-box .filling-inputs {
        height: 41px;
        display: flex;
        width: 935px;
        align-items: center;
        justify-content: space-between;
        margin: 33px auto;

    }

    .filling-box .filling-inputs input,
    .filling-box textarea {
        background-color: #fff;
        padding-left: 18px;
        font-weight: 400;
        height: 100%;
        border: 0;
        box-sizing: border-box;
        font-size: 11px;
        color: #979797;
        width: 453px;

    }

    .filling-box textarea {
        height: 160px;
        resize: none;
        padding-top: 10px;
        width: 935px;
        margin-left: auto;
        margin-right: auto;
        display: block;
    }

    .filling-box .box-btn {
        width: 167px;
        height: 38px;
        margin: 43px auto;
    }

    .footer {
        overflow: hidden;
        height: 189px;
        background-color: #000;
        position: relative;
    }

    .footer .t2 {
        margin: 109px auto 0;
        text-align: center;
        font-size: 14px;
        color: #FFFFFF;
        line-height: 18px;
    }


}