* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

/* 导航 */
.home_nav {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: none;
    transition: 0.5s;
    z-index: 222;
    padding: 16px 0;
    backdrop-filter: blur(10px);
    /* 模糊程度 */
}
.mobile_nav_icon_box{
    display: none;
}
.mobile_nav_icon {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.scroll_top_style {
    backdrop-filter: blur(0);
    /* 模糊程度 */
    background-color: #fff;
}

.flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.home_nav:hover ul {
    color: #fff;
}

.home_nav nav {
    transition: 0.5s;
    max-width: 1400px;
    width: 100%;
    border-radius: 2px;
    margin: auto;
    align-items: center;
    justify-content: space-between;
}

.home_nav nav .home_logo {
    height: 37px;
}

.home_nav nav ul {
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    color: #fff;
    position: relative;
    top: 10px;

}

.home_nav nav ul li a {
    display: inline-block;
    vertical-align: middle;
    -webkit-transform: perspective(1px) translateZ(0);
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    position: relative;
    overflow: hidden;
    padding-bottom: 20px;
    margin: 0 20px;
    color: #fff;
    cursor: pointer;
}

.scroll_top_style nav ul li a {
    color: #000000;
}

.scroll_top_style .language {
    color: #000000;
}

.scroll_top_style .language .icon {
    border-top: 6px solid #000;
}

.scroll_top_style .handle_box .start_btn {
    background-color: #5e53dd;
    color: #fff;
}

.handle_box {
    display: flex;
}

.language {
    font-size: 18px;
    color: #fff;
    margin-left: 30px;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.language .icon {
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #fff;
    /* 控制颜色和方向 */
    margin-left: 5px;
    transition: .5s;
}

/* .language:hover {
    color: #5e53dd;
} */

.language:hover .icon {
    /* border-top: 6px solid #000; */
    /* 控制颜色和方向 */
    transform: rotate(180deg);
}

.language .lang_img {
    width: 40px;
    margin-right: 8px;
}

.handle_box .start_btn {
    height: 42px;
    background-color: #ffffff;
    border-radius: 21px;
    font-size: 16px;
    color: #5e53dd;
    line-height: 42px;
    padding: 0 30px;
    margin-left: 20px;
    cursor: pointer;
}


.footer {
    margin-top: 127px;
}

.footer .contact_us {
    background-color: #f9fafb;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 0;
}

.footer .contact_us .title {
    font-size: 30px;
    color: #000000;
    font-weight: bold;
}

.footer .contact_us .text {
    font-size: 18px;
    color: #666666;
    margin: 20px 0 30px 0;
}

.footer .contact_us .btn {
    height: 42px;
    background-color: #5e53dd;
    border-radius: 21px;
    font-size: 16px;
    color: #ffffff;
    padding: 0 30px;
    display: inline-block;
    line-height: 42px;
}

.footer_nav {
    width: 100%;
    max-width: 1300px;
    margin: 60px auto 0;
    display: flex;
    justify-content: space-between;
    padding-bottom: 23px;
    border-bottom: 1px solid #e5e5e5;
}

.footer_nav .footer_logo {
    height: 37px;
}

.footer_nav .nav_box li {
    margin-right: 50px;
    cursor: pointer;
}

.footer_nav .nav_box li a {
    color: #000000;
}

.footer_nav .nav_box li:last-of-type {
    margin-right: 0;
}

.footer .footer_explain {
    font-size: 14px;
    color: #666666;
    padding: 23px 10px;
    text-align: center;
}


.popup_box,.popup2_box {
    display: none;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 99999;
}

.popup_content,.popup2_content {
    width: 690px;
    background-color: #ffffff;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 56px 40px 32px 40px;
    position: relative;
}

.popup_close ,.popup2_close{
    width: 20px;
    height: 20px;
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
}

.popup_close::before,
.popup_close::after,
.popup2_close::before,
.popup2_close::after{
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 2px;
    height: 18px;
    background-color: #333;
    transform-origin: center;
}

.popup_close::before,.popup2_close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.popup_close::after,.popup2_close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.popup_close:hover::before,
.popup_close:hover::after,
.popup2_close:hover::before,
.popup2_close:hover::after {
    background-color: #5e53dd;
}

.qrcode_text {
    font-size: 18px;
    color: #5e53dd;

}

.popup_content .copy_btn,.popup2_content .copy_btn {
    height: 22px;
    background-color: #5e53dd;
    border-radius: 4px;
    line-height: 22px;
    padding: 0 14px;
    font-size: 14px;
    color: #ffffff;
    margin: 10px 0;
    cursor: pointer;
}

.popup_content .explain,.popup2_content .explain {
    background-color: #f0f0f0;
    border-radius: 10px;
    width: 100%;
    box-sizing: border-box;
    padding: 23px 60px;
}

.popup_content .explain .label,.popup2_content .explain .label {
    font-size: 18px;
    color: #000000;
}

.popup_content .explain .text,.popup2_content .explain .text {
    font-size: 18px;
    color: #868686;
}

.mobile_nav {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.5);
    transform: translateX(-100%);
    visibility: hidden;
    z-index: 999999;
}

.mobile_nav .nav_content {
    width: 260px;
    padding: 24px;
    height: 100%;
    background: #fff;
    transform: translateX(-100%);
    transition: .3s;
}
.nav_content_logo{
    height: 24px;
}
.nav_content ul{
    padding-left: 10px;
    margin-top: 10px;
}
.nav_content li{
    margin: 10px 0;
}
.nav_content li a{
    font-size: 14px;
    color: #000;
    cursor: pointer;
}

/* 显示时 */
.mobile_nav.show {
    transform: translateX(0);
    visibility:visible;
}

.mobile_nav.show .nav_content {
    transform: translateX(0);
}
.mobile_nav .nav_content.nav_content_show{
    transform: translateX(-100%);
}

.nav_content_close {
    width: 20px;
    height: 20px;
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
}

.nav_content_close::before,
.nav_content_close::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 2px;
    height: 14px;
    background-color: #333;
    transform-origin: center;
}

.nav_content_close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.nav_content_close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.nav_content_close:hover::before,
.nav_content_close:hover::after {
    background-color: #5e53dd;
}
@media (max-width: 768px) {
    .mobile_nav_icon_box {
        display: inline-block;
    }

    .home_nav {
        padding: 10px 0;
    }

    .home_nav nav .home_logo_box {
        display: none;
    }

    .home_nav nav ul {
        display: none;
    }

    .home_nav nav {
        max-width: 768px;
        padding: 0 16px;
        box-sizing: border-box;
    }

    .language .lang_img {
        width: 20px;
    }

    .language {
        font-size: 14px;
    }

    .language .icon {
        border-left: 4px solid transparent;
        border-right: 4px solid transparent;
        border-top: 4px solid #fff;
    }

    .handle_box .start_btn {
        height: 38px;
        line-height: 38px;
        padding: 0 20px;
        font-size: 14px;
    }
    .footer{
        margin-top: 50px;
    }
    .footer .contact_us{
        padding: 30px 10px;
        box-sizing: border-box;
    }
    .footer .contact_us .title{
        font-size: 24px;
    }
    .footer .contact_us .text{
        text-align: center;
        font-size: 16px;
    }
    .footer_nav{
        margin-top: 30px;
        flex-direction: column;
        padding: 0 10px;
        box-sizing: border-box;
    }
    .footer_nav .footer_logo{
        width: 140px;
        height: auto;
    }
    .footer_nav .nav_box{
       flex-direction: column;
       align-items: flex-start;
    }
    .footer_nav .nav_box li{
        margin: 10px 0;
    }
    .popup_content,.popup2_content {
        max-width: calc(100vw - 20px);
        padding:40px 20px 20px 20px;
        box-sizing: border-box;
    }
    .popup_content .explain,.popup2_content .explain{
        padding: 20px;
    }
    .popup_content .explain .label,.popup2_content .explain .label{
        font-size: 16px;
    }
    .popup_content .explain .text,.popup2_content .explain .text{
        font-size: 14px;
    }
    .popup_close,.popup2_close{
        top: 10px;
        right: 10px;
    }
}