.page-header {
    --page-top-height: 92;
    --page-nav-height: 70;
    position: sticky;
    top: 0;
    left: 0;
    z-index: 2024;
    background-color: #fff;
}

.page-header .page-header__top {
    height: calc(var(--page-top-height) * var(--px));
    font-size: calc(18 * var(--px));
}
.page-header .page-header__top >.max-content-width {
    /* max-width: 1600px; */
}
.sitelogo {
    width: calc(200 * var(--px));
}

.page-header .page-header__top-fun .fun-item {
    color: #333;
    padding: 0 calc(20 * var(--px));
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: calc(10 * var(--px));
}
.page-header .page-header__top-fun .fun-item span:not(.icon) {
    border-bottom: 1px solid transparent;
    transition: border .3s linear;
}
.page-header .page-header__top-fun .fun-item:hover span:not(.icon) {
    border-bottom: 1px solid var(--thirdary);
}

.page-header .page-header__top-fun .fun-item::after {
    content: '';
    display: block;
    width: 1px;
    height: calc(18 * var(--px));
    background-color: #999;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.page-header .page-header__top-fun .fun-item:nth-last-of-type(1)::after {
    display: none;
}

.page-header .page-header__top-search {
    --l: 32;
    display: none;
    width: calc(var(--l) * var(--px));
    height: calc(var(--l) * var(--px));
    border-radius: 50%;
    border: 1px solid var(--primary);
}

.page-header .page-header__top-menu {
    width: calc(42 * var(--px));
    height: calc(28 * var(--px));
    display: none;
}

.page-header .page-header__top-menu .bar {
    --rotate: 45deg;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    border-radius: 10px;
    transform-origin: center;
    -webkit-transition: 0.3s;
    transition: 0.3s;
}

.page-header .page-header__top-menu.close {
    justify-content: center;
}

.page-header .page-header__top-menu.close .bar:nth-of-type(1) {
    transform: translateY(2px) rotate(var(--rotate));
}

.page-header .page-header__top-menu.close .bar:nth-of-type(2) {
    opacity: 0;
}

.page-header .page-header__top-menu.close .bar:nth-of-type(3) {
    transform: translateY(-2px) rotate(calc(-1 * var(--rotate)));
}

.page-header .page-nav {
    color: #fff;
    font-size: calc(20 * var(--px));
    height: calc(var(--page-nav-height) * var(--px));
    /* background-color: #1c41b6; */
    background-image: linear-gradient(to right, #0e459d, #0e60a9);
}

.page-header .page-nav .nav-content {
    /* max-width: 1600px; */
}

.page-header .page-nav .submenu {
    position: relative;
}
.page-header .page-nav .nav-content >.submenu:nth-child(3) .submenu:nth-child(5) .nav-menu{display:none!important;}
.page-header .page-nav .nav-content >.submenu:nth-child(3) .submenu:nth-child(5) >.submenu__title >.icon-arrow-down{display:none;}
.page-header .page-nav .submenu a {
    width: 100%;
    display: block;
}

.page-header .page-nav .mobile-fun {
    display: none;
}

.page-header .page-nav .nav-content>.nav-item,.page-header .page-nav .nav-content>.submenu>.submenu__title {
    height: calc(var(--page-nav-height) * var(--px));
    padding: calc(20 * var(--px));
    display: flex;
    align-items: center;
    border-bottom: none;
}

.page-header .page-nav .nav-content>.submenu .icon {
    margin-left: 10px;
    transform: none;
}
.page-header .page-nav .nav-content>.submenu>.submenu__title .icon {
    margin-left: 10px;
    transform: none;
}
.page-header .page-nav .nav-content>.submenu .nav-menu .nav-item{
    display: flex;
    align-items: center;
    position: relative;
}
.page-header .page-nav .submenu .nav-menu {
    width: calc(360 * var(--px));
    font-size: calc(16 * var(--px));
    line-height: 1.2;
    position: absolute;
    top: 100%;
    background-color: var(--primary);
    background-image: linear-gradient(to bottom, #0e459d, #0e60a9);
    display: none;
    z-index: 3;
}
.page-header .page-nav .submenu .nav-menu .nav-menu{top:0 !important;left:100%}

.page-header .page-nav .submenu .submenu__title,  .page-header .page-nav .submenu .nav-item {
    padding: calc(20 * var(--px));
    /* border-bottom: 1px solid rgba(255, 255, 255, .4); */
    cursor: pointer;
}

.page-header .page-nav .submenu:hover, .page-header .page-nav .submenu .nav-item:hover {
    background-color: var(--fourdary);
}

.page-header .page-nav .submenu .nav-item>a {
    display: block;
}

.page-header .page-nav .submenu .submenu__title {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-header .page-nav .submenu .submenu__title .icon {
    transform: rotate(-90deg);
}

.page-content {
    padding-bottom: calc(75 * var(--px));
}

.page-footer {
    color: #fff;
    font-size: calc(18 * var(--px));
    background-color: var(--primary);
    position: relative;
    background-image: linear-gradient(to right, #0e459d, #0e60a9);
}

.page-footer >.max-content-width {
    /* max-width: 1600px; */
}

.page-footer::before {
    content: '';
    display: block;
    height: calc(10 * var(--px));
    background-color: var(--secondary);
    position: relative;
    z-index: 4;
}
/* .page-footer::after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-image: linear-gradient(to right, #0e459d, #0e60a9);
    z-index: 1;
} */
.page-footer .max-content-width {
    position: relative;
    z-index: 5;
}

.page-footer .page-footer__content {
    padding-top: calc(60 * var(--px));
}

.page-footer .footer__left {
    flex: 0 1 auto;
}

.page-footer .footer__left .footer-logo {
    width: calc(200 * var(--px));
    display: block;
    margin-bottom: calc(36 * var(--px));
}

.page-footer .footer__left .footer-logo>img {
    width: 100%;
}

.page-footer .footer__left .info>li {
    display: flex;
    margin-bottom: calc(12 * var(--px));
}

.page-footer .footer__left .info>li section {
    padding-left: calc(12 * var(--px));
    line-height: 1.4;
}

.page-footer .footer__center {
    flex: 0 1 calc(800 / 1920 * 100vw);
    padding: 0 calc(48 * var(--px));
    gap: calc(24 * var(--px));
}

.page-footer .footer__center .footer-nav {
    flex: 0 0 auto;
}

.page-footer .footer__center .footer-nav>li {
    font-size: calc(24 * var(--px));
    line-height: 1.2;
    padding-bottom: calc(24 * var(--px));
    cursor: pointer;
}
.page-footer .footer__center .footer-nav>li.active span,
.page-footer .footer__center .footer-nav>li:hover span {
    text-decoration: underline #fff;
}

.page-footer .footer__center .footer-child__navs {
    flex: 1 0 0;
    color: rgba(255, 255, 255, .5);
    font-size: calc(18 * var(--px));
    line-height: 1.2;
}
.page-footer .footer__center .footer-child__navs .child-nav {
    display: none;
}
.page-footer .footer__center .footer-child__navs .child-nav li:has(.child-nav-header) {
    padding-bottom: 0;
}
.page-footer .footer__center .footer-child__navs .child-nav li .child-nav-header {
    padding-bottom: calc(12 * var(--px));
    cursor: pointer;
}
.page-footer .footer__center .footer-child__navs .child-nav li .child-nav-header .icon {
    margin-left: calc(8 * var(--px));
}
.page-footer .footer__center .footer-child__navs .child-nav li a{
    border-bottom: 1px solid transparent;
    transition: border .3s linear;
}
.page-footer .footer__center .footer-child__navs .child-nav li .child-nav-c {
    font-size: calc(16 * var(--px));
    display: none;
}
.page-footer .footer__center .footer-child__navs .child-nav li .child-nav-c li:hover a,
.page-footer .footer__center .footer-child__navs .child-nav >li:hover >a {
    border-bottom: 1px solid #fff;
}
.page-footer .footer__center .footer-child__navs .child-nav.show {
    display: block;
}

.page-footer .footer__center .footer-child__navs li {
    padding-bottom: calc(12 * var(--px));
}

.page-footer .footer__right {
    flex: 0 1 calc(340 / 1920 * 100%);
}

.page-footer .box {
    padding-bottom: calc(30 * var(--px));
}

.page-footer .box .box-title {
    line-height: 1.2;
    margin-bottom: calc(10 * var(--px));
}

.page-footer .follow-box .follows {
    gap: calc(16 * var(--px));
    position: relative;
    z-index: 3;
}
.page-footer .follow-box .follows .follow-item {
    position: relative;
    z-index: 4;
}
.page-footer .follow-box .follows .follow-item .logo {
    --l: 44;
    width: calc(var(--l) * var(--px));
    height: calc(var(--l) * var(--px));
    border-radius: 50%;
    border: calc(3 * var(--px)) solid #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-footer .follow-box .follows .follow-item .logo>img {
    /* width: calc(26 * var(--px)); */
    max-width: 70%;
}

.page-footer .follow-box .follows .follow-item .code {
    /* width: calc(100 * var(--px)); */
    /* height: calc(100 * var(--px)); */
    border-radius: calc(4 * var(--px));
    overflow: hidden;
    padding: calc(4 * var(--px));
    background-color: none;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -100%);
    z-index: -1;
    opacity: 0;
    transition: all .5s linear;
}
.page-footer .follow-box .follows .follow-item .code img{width:100px}
.page-footer .follow-box .follows .follow-item:has(.code) .logo:hover+ .code {
    transform: translate(-50%, -120%);
    opacity: 1;
    z-index: 1;
}

.page-footer .join-us-form .input-field {
    width: 100%;
    height: calc(44 * var(--px));
    padding: calc(10 * var(--px)) calc(14 * var(--px));
    background-color: #fff;
    border-radius: calc(4 * var(--px));
}

.page-footer .join-us-form .input-field input {
    font-size: calc(16 * var(--px));
    flex: 1 1 0;
    padding-right: calc(12 * var(--px));
}

.page-footer .join-us-form .input-field input::placeholder {
    color: #6c6c6c;
}

.page-footer .join-us-form .tip {
    font-size: calc(14 * var(--px));
    color: #a2a2a2;
    margin-top: calc(14 * var(--px));
}

.page-footer .join-us-form .btn {
    width: 100%;
    font-size: calc(24 * var(--px));
    background-color: var(--secondary);
    /* margin-top: calc(40 * var(--px)); */
}

.page-footer .join-us-form .btn .btn__content {
    align-items: flex-end;
}

.page-footer .join-us-form .btn .btn__content .btn-text {
    margin-left: calc(20 * var(--px));
}

.page-footer .partner {
    padding: calc(30 * var(--px)) 0;
}

.page-footer .partner .partner-item {
    width: max-content;
    flex: 0 0 auto;
    max-height: calc(68 * var(--px));
    display: flex;
}

.page-footer .partner .partner-item .img {
    height: calc(40 * var(--px));
    margin: 0 calc(40 * var(--px));
}

.page-footer .partner .partner-item:nth-of-type(1) .img {
    margin-left: 0;
}

.page-footer .partner .partner-item:nth-last-of-type(1) .img {
    margin-right: 0;
}

.page-footer .partner .partner-item img {
    height: 100%;
    display: block;
}

.page-footer .partner .partner-item::after {
    content: '';
    width: 1px;
    height: 100%;
    background-image: linear-gradient(to bottom, rgba(255, 255, 255, .1), rgba(255, 255, 255, 1), rgba(255, 255, 255, .1));
}

.page-footer .partner .partner-item:nth-last-of-type(1)::after {
    display: none;
}

.page-footer .footer__bottom {
    color: rgba(255, 255, 255, .3);
    line-height: 1.2;
    padding: calc(28 * var(--px)) 0;
    border-top: 1px solid rgba(255, 255, 255, .3);
}

.page-footer .footer__bottom .m-l-auto>span {
    margin-right: calc(16 * var(--px));
}

.page-footer .footer__bottom .m-l-auto>span:nth-last-of-type() {
    margin-right: 0;
}

#back-top {
    --d: 70;
    width: calc(var(--d) * var(--px));
    height: calc(var(--d) * var(--px));
    font-size: calc(24 * var(--px));
    border-radius: 50%;
    box-shadow: 0 0 calc(45 * var(--px)) 0 rgba(172, 172, 172, 0.39);
    background-color: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    right: calc(50 * var(--px));
    bottom: -10%;
    z-index: -1;
    opacity: 0;
    transition: bottom .6s ease-in-out,
        opacity .4s ease-in-out;
    overflow: hidden;
    cursor: pointer;
}

#back-top >img {
    height: calc(30 * var(--px));
    position: relative;
    z-index: 2;
}

#back-top::after {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0, 0, 0, .4);
    backdrop-filter: blur(10px);
    z-index: 1;
}

#back-top.visible {
    opacity: 1;
    bottom: 20%;
    z-index: 1000;
}

/* 移动端 */
.page-header .page-nav.mobile {
    height: 0;
    position: absolute;
    z-index: 1000;
    top: calc(var(--page-top-height)* var(--px));
    left: 0;
    right: 0;
    overflow: hidden;
    margin-left: 0;
    display: block;
    background: transparent;
    overflow: auto;
}

.page-header .page-nav.mobile .nav-content {
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-bottom: calc(24 * var(--px));
}

.page-header .page-nav.mobile .nav-content>.submenu {
    background-color: var(--primary);
}

.page-header .page-nav.mobile .nav-content>.submenu .nav-menu {
    position: static;
    width: 100%;
    background-color: transparent;
}

.page-header .page-nav.mobile .nav-content>.submenu .submenu {
    background-color: rgba(34, 63, 153, .8);
}

.page-header .page-nav.mobile .nav-content .submenu .nav-item {
    color: var(--primary);
    background-color: #fff;
}

.page-header .page-nav.mobile.open {
    height: calc(100vh - calc(var(--page-top-height)* var(--px)));
    overflow-x: hidden;
    overflow-y: auto;
}

.page-header .page-nav.mobile .page-header__overlay {
    position: absolute;
    width: 100%;
    height: 0;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, .7);
    z-index: -1;
    transition: height .3s ease-out;
}

.page-header .page-nav.mobile.open .page-header__overlay {
    height: 100%;
}

/* @media screen and (min-width: 1601px) {
    html {
        --px: 1px;
        --root-page-content-width: 1440px;
    }
} */

@media screen and (max-width: 1600px) {
    html {
        --root-page-max-width: 1920;
        --root-page-min-width: 1024;
        --max: calc((1440 / 1600) * 1px);
    }
}

@media screen and (max-width: 1440px) {

    /* .max-content-width {
        padding: 0 calc(24 * var(--px));
    } */
}

@media screen and (max-width: 1200px) {
    html {
        --root-page-max-width: 1600;
        --root-page-min-width: 1024;
        --max: calc((1440 / 1600) * 1px);
    }
}

@media screen and (max-width: 1024px) {
    .page-header .page-header__top-fun,
    .page-header .page-header__top-search{
        display: none;
    }

    .page-header .page-header__top-menu {
        display: flex;
    }

    .page-header .page-nav .mobile-fun {
        padding: calc(20* var(--px));
        display: flex;
        background-color: var(--primary);
    }

    .page-header .page-nav .mobile-fun .page-header__top-fun,
    .page-header .page-nav .mobile-fun .page-header__top-search {
        display: flex;
    }

    .page-header .page-nav .mobile-fun .page-header__top-fun {
        margin-left: 0;
    }

    .page-header .page-nav .mobile-fun .page-header__top-fun .fun-item {
        color: #fff;
    }
}

@media screen and (max-width: 1024px) {
    html {
        --root-page-min-width: 768;
        /* --root-page-max-width: 1200;
        --root-page-min-width: 768; */
    }

    /* .page-footer>.max-content-width {
        display: none;
    } */
}

@media screen and (max-width: 768px) {

    .page-nav,
    .page-banner .page-banner__content .page-history {
        display: none;
    }

    .page-banner .page-banner__content .page-banner__title {
        font-size: calc(60 * var(--px));
    }

    .section-box .title {
        font-size: calc(36 * var(--px));
        margin-bottom: calc(20* var(--px));
    }
    .page-footer .page-footer__content {
        flex-wrap: wrap;
    }
    .page-footer .footer__left {
        flex: 0 1 100%;
    }
    .page-footer .footer__center {
        display: none;
    }
    .page-footer .footer__right {
        margin-left: 0;
    }
    .page-footer .footer__bottom {
        flex-wrap: wrap;
    }
}

@media screen and (max-width: 550px) {
    .section-box {
        flex-wrap: wrap;
    }

    .section-box .img {
        margin-top: calc(20 * var(--px));
    }
    .page-footer .footer__bottom >.m-l-auto {
        margin-left: 0;
    }
}