.right-tools {
        margin-left: auto;
        display: inline-flex;
        align-items: center;
        gap: 8px; /* 靠近菜单：间距缩小 */
    }

    .right-tools .menu-open { margin: 0; }
:root {
    --animate-duration: 1s;
    --animate-delay: 1s;
    --animate-repeat: 1;
}

* {
    padding: 0;
    margin: 0;
}

::-webkit-scrollbar {
    background-color: #252531;
    border-radius: 4px;
    width: 8px;
}

::-webkit-scrollbar-thumb {
    background-color: #252531;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #30303f;
}

::-webkit-scrollbar-track {
    background-color: #0F0F16;
}


html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: #0A0F1E;
}

.home {
    width: 100%;
    overflow-x: hidden;
    color: #2c3e50;
}

/* banner */
.banner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 42px;
    width: 100%;
    height: 900px;
    text-align: center;
}

.banner .con .btn img {
    margin-top: -2px;
    margin-right: 6px;
    vertical-align: middle;
}

.banner .con .bannerCon {
    font-size: 83px;
    font-family: 'Montserrat-Bold';
    font-weight: 800;
    color: #fff;
    line-height: 111px;
}

.banner .con .logoImage4 {
    margin-top: 100px;
}

.banner .con .logoImage4 img {
    height: 80px;
}

.banner .con .subTitle {
    font-size: 18px;
    font-weight: 500;
    color: #fff;
    line-height: 1;
    margin-top: 60px;
    /*background-image: linear-gradient(270deg, #895FEB 0%, #3AC8EA 100%);*/
    /*background-clip: text;*/
    /*-webkit-background-clip: text;*/
    /*-webkit-text-fill-color: transparent;*/
}

.banner .con .btn {
    padding-left: 12px;
    padding-right: 12px;
    margin: 100px auto 0;
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    text-align: center;
    line-height: 36px;
    font-size: 16px;
    min-width: 109px;
    height: 36px;
    background: linear-gradient(270deg, #895FEB 0%, #3AC8EA 100%);
    transition: box-shadow 0.2s;
}
.banner .con .btn:hover {
    box-shadow: 0 0 15px #895FEB;
}
.banner .con .btnMore {
    position: relative;
    display: inline-block;
    padding-left: 10px;
    padding-right: 10px;
    background: url("./images/btn_border.png") no-repeat center / contain;
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 16px;
    min-width: 110px;
    height: 46px;
    line-height: 46px;
    text-align: center;
    margin: 30px auto 0;
}
.banner .con .supportSecure {
    color: #ccc;
    font-size: 16px;
    text-align: center;
    text-transform: uppercase;
    margin-top: 40px;
}

.swiper-con {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 50px auto 0;
}
.swiper-con img {
    width: 100%;
}
.swiper-con-btn {
    position: absolute;
    left: 50%;
    bottom: 10%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 12px;
    padding-right: 12px;
    background: linear-gradient(270deg, #895FEB 0%, #3AC8EA 100%);
    border-radius: 10px;
    font-size: 16px;
    min-width: 109px;
    height: 40px;
    color: #fff;
    transform: translateX(-50%);
    z-index: 100;
    cursor: pointer;
    transition: box-shadow 0.2s;
}
.swiper-con-btn:hover {
    box-shadow: 0 0 15px #895FEB;
}

/* about */
.about {
    position: relative;
    width: 100%;
    margin-top: 50px;
}

/* WHITEPAPER */
.whitePaper {
    display: block;
    text-decoration: none;
}
.whitePaper .con .wp-title {
    font-size: 45px;
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #fff;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.3;
}
.whitePaper .con .wp-desc {
    font-size: 20px;
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #ccc;
    text-align: center;
}

.whitePaper .con .btn {
    margin: 0 auto;
    margin-top: 40px;
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    text-align: center;
    line-height: 41px;
    font-size: 16px;
    font-family: 'Montserrat-Regular';
    height: 41px;
    padding: 0 15px;
    background: linear-gradient(270deg, #895FEB 0%, #3AC8EA 100%);
}

.whitePaper .con .btn img {
    vertical-align: middle;
    margin-left: 6px;
    margin-top: -2px;
}

/* Web */
.Web {
    padding-top: 150px;
    margin: 0 auto;
}

.Web .name {
    margin-top: 50px;
    font-size: 18px;
    font-family: 'Montserrat-Regular';
    font-weight: 400;
    color: #fff;
    line-height: 27px;
    text-align: center;
}

.Web .title {
    font-size: 60px;
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #fff;
    line-height: 60px;
    text-transform: uppercase;
    text-align: center;
}

.Web .list {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.Web .list .item .itemCon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: red;
}

.Web .list .item .itemCon:nth-child(1) {
    background: url(./images/web-04.png?2025101502) no-repeat center center;
    background-size: 100% 100%;


}


.Web .list .item .content {
    font-size: 18px;
    font-family: 'Montserrat-Regular';
    font-weight: 400;
    color: #fff;
    line-height: 27px;
}

.Web .list .item .itemName {
    font-size: 24px;
    font-family: 'Montserrat-Regular';
    font-weight: bold;
    color: #fff;
    line-height: 24px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    text-transform: uppercase;
}

.Web .list .item .itemName img {
    width: 60px;
    height: 66px;
}

.Web .list .item .itemName .gpt {
    width: 60px;
    height: 60px;
}

/* vision */
.vision {
    margin: 0 auto;
    position: relative;
}

.vision .left img {
    position: absolute;
}

.vision .one {
    position: absolute;
    left: 0;
    top: 0;
    width: 110px;
    height: 100px;
}

.vision .two {
    position: absolute;
    right: 0;
    top: 0;
    width: 110px;
    height: 100px;
}

.vision .three {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 110px;
    height: 100px;
}

.vision .four {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 110px;
    height: 100px;
}

.vision .con {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.vision .con .title {
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #fff;
    text-transform: uppercase;
}
.vision .con .desc {
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #ccc;
    font-size: 20px;
    margin-top: 20px;
}

.vision .con .bannerCon {
    font-size: 18px;
    font-family: 'Montserrat-Regular';
    font-weight: 400;
    color: #fff;
    line-height: 27px;
}

/* vecent */
.vecent {
    margin: 0 auto;
}

.vecent .con {
    margin-top: 70px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.vecent .con img {
    width: 335px;
    height: 338px;
    transition: transform .3s;
    cursor: pointer;
}
.vecent .con img:hover {
    transform: scale(1.05);
}

/* MAP */
.MAP {
    margin: 0 auto;
}

.MAP .title {
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #fff;
    text-align: center;
    text-transform: uppercase;
}
.MAP .desc {
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #ccc;
    text-align: center;
    font-size: 30px;
    margin-top: 20px;
}

.MAP .con {
    margin: 40px auto 0;
    background: url(./images/map01.ebef53d8.png) no-repeat center center;
    background-size: cover;
}

/* partners */
.partners {
    margin: 0 auto;
}

.partners .title {
    font-family: 'Montserrat-Bold';
    font-weight: bold;
    color: #fff;
    text-align: center;
    text-transform: uppercase;
}

/* bottom */
.bottom .con {
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
}

.bottom .right {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.bottom .right a {
    text-decoration: none;
    display: inline-block;
    font-family: 'Montserrat-Regular';
    font-weight: 400;
    color: #fff;
    text-transform: uppercase;
}


/* copyright */
.copyright {
    height: 68px;
    background: #333333;
    opacity: 0.6;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #fff;
    line-height: 21px;
    line-height: 68px;
    text-align: center;
}

/* video */
.video-out {
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    width: 600px;
    height: 350px;
    transform: translate(-50%, -50%);
}

.video-out .videoClose {
    position: absolute;
    right: 0;
    top: -30px;
    width: 30px;
    height: 30px;
    background: #277BC1;
    border-radius: 100%;
    font-size: 30px;
    color: #fff;
    line-height: 30px;
    text-align: center;
    cursor: pointer;
}

.video-box {
    width: 600px;
    height: 350px;
}

/* pc */
@media screen and (min-width: 769px) {
    /* nav */
    .h5-nav {
        display: none;
    }

    nav {
        height: 60px;
        line-height: 60px;
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(1, 2, 7, 0.85);

    }

    nav.status {
        background: #0A0F1E;
    }

    nav .con {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        width: 1280px;
        margin: 0 auto;
    }

    nav .con .logo {
        display: flex;
        align-items: center;
    }

    nav .con .logo img {
        height: 32px;
        width: auto; /* 自适应宽度 */
    }

    nav .con .list {
        line-height: 60px;
        height: 60px;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap; /* 不换行 */
        margin-left: 20px;
    }

    nav .con .list div {
        padding: 0 15px; /* 减小间距 */
        font-size: 14px; /* 字体稍微缩小 */
        color: #aa9f9f;
        cursor: pointer;
        white-space: nowrap; /* 强制不换行 */
        flex-shrink: 0; /* 防止被压缩 */
    }

    nav .con .list div.current a {
        color: #fff;
    }

    nav .con .list div a {
        position: relative;
        color: #fff;
        text-decoration: none;
        font-weight: 400;
        text-transform: uppercase;
    }
    nav .con .list div a:hover::before {
        width: 100%;
    }
    nav .con .list div a::before {
        content: '';
        position: absolute;
        left: 0;
        bottom: -10px;
        background-color: #fff;
        width: 0;
        height: 1px;
        transition: width 0.2s;
    }

    nav .con .list .language-dropdown {
        position: relative;
        margin-top: 0;
        display: inline-flex;
        align-items: center; /* 垂直居中与导航同高 */
        height: 60px;
    }

    nav .con .list .language-btn {
        background: transparent; /* 去掉背景色 */
        border: none;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 0 12px; /* 与导航保持一致 */
        height: 60px; /* 垂直居中 */
        color: #fff;
    }

    nav .con .list .language-btn:hover {
        transform: none;
        box-shadow: none;
    }

    nav .con .list .language-btn .language-icon {
        width: 18px;
        height: 18px;
        opacity: 0.9;
    }

    nav .con .list .language-btn .dropdown-arrow {
        width: 10px;
        height: 10px;
        transition: transform 0.3s ease;
        opacity: 0.8;
    }

    nav .con .list .language-text {
        font-size: 14px;
        color: #fff;
        text-transform: uppercase;
    }

    nav .con .list .dropdown-arrow {
        font-size: 10px;
        color: #fff;
        transition: transform 0.3s;
    }

    nav .con .list .language-dropdown-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        background: linear-gradient(145deg, #1e2746 0%, #2a3a54 100%);
        min-width: 160px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
        z-index: 1000;
        margin-top: 8px;
        padding: 0; /* 移除容器内边距 */
        border-radius: 12px;
        overflow: hidden;
        backdrop-filter: blur(10px);
    }

    nav .con .list .language-dropdown-menu.show {
        display: block;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    nav .con .list .language-option {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 0 0 0 12px; /* 左侧留出一点内边距 */
        width: 100%;
        box-sizing: border-box;
        text-decoration: none;
        color: #fff;
        font-size: 13px;
        transition: all 0.2s ease;
        border-bottom: none; /* 去掉分隔线 */
    }

    nav .con .list .language-option:last-child {
        border-bottom: none;
    }

    nav .con .list .language-option:hover {
        background: #1a1b23;
        transform: translateX(4px);
    }

    /* 去掉语言选项下方的白色下划线（继承自导航链接样式） */
    nav .con .list .language-option::before { display: none !important; }

    nav .con .list .language-option .flag-icon {
        font-size: 20px;
        line-height: 1;
    }

    nav .con .list .language-option .lang-name {
        font-weight: 500;
        letter-spacing: 0.3px;
    }


    /* banner */
    .h5-banner {
        display: none;
    }

    .banner .banner.pc-banner {
        width: 1920px;
        height: 900px;
    }

    .banner .con {
        position: absolute;
        width: 920px;
        left: 50%;
        top: 0;
        padding-top: 120px;
        height: 900px;
        margin-left: -460px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        background: url(./images/banner-01.0b74c9fb.png) no-repeat center center;
        text-align: center;
    }

    .banner .con .download-wrap {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 40px;
    }

    .banner .con .download-wrap .download {
        margin: 0 20px;
        position: relative;
    }

    .download-wrap .download .img-btn {
        width: 257px;
        height: 50px;
        cursor: pointer;
        border: 1px solid #858A94;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: #fff;
    }

    .download .img-btn .download-image {
        width: 30px;
        height: 30px;
        margin-right: 8px;

    }

    .download .img-btn .chrome-img {
        width: 24px;
        height: 24px;
        margin-right: 8px;

    }

    .banner .con .download-wrap .download-img {
        width: 150px;
        height: auto;
        margin: 20px auto 0;
        cursor: pointer;
    }

    .banner .con .download-wrap .qrcode {
        position: absolute;
        bottom: 60px;
        left: 50%;
        transform: translate(-50%, 10px);
        padding: 10px;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
        display: none;
        width: 120px;
        height: 120px;
        background: #fff;
        border-radius: 10px;

    }

    .banner .con .download-wrap .download-img:hover + .qrcode {
        display: block;
    }

    /* about */
    .about .con {
        width: 1074px;
        margin: 0 auto;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        gap: 40px;
    }

    .about .con .left img {
        width: 488px;
        height: 544px;
    }

    .about .con .bannerCon {
        font-size: 60px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        line-height: 60px;
        text-transform: uppercase;
    }
    .about .con .bannerDesc {
        font-size: 20px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        line-height: 1.2;
        margin-top: 20px;
    }

    .about .con .subTitle {
        font-family: 'Montserrat-Regular';
        font-weight: 400;
        line-height: 27px;
        margin-top: 45px;
    }

    .about .con .subTitle section {
        margin-bottom: 10px;
        font-size: 18px;
        color: #fff;
    }
    .about .con .subTitle p {
        margin-bottom: 20px;
        line-height: 1.25;
        font-size: 15px;
        color: #ccc;
    }

    /* whitePaper */
    .whitePaper .con {
        width: 600px;
        height: 600px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        justify-content: center;
        justify-content: center;
        align-items: center;
        background: url(./images/whitepaper.dde4d389.png) no-repeat center center;
    }

    /* Web */
    .Web {
        width: 1200px;
    }

    .Web .list .item {
        flex: 0 0 50%;
        margin-bottom: 45px;
        margin-top: 50px;
    }

    .Web .list .item .itemCon {
        width: 454px;
        min-height: 202px;
        padding: 30px;
    }

    .Web .list .item .itemCon:nth-child(1) {
        margin-right: 23px;
    }

    /* vision */
    .vision {
        width: 1074px;
        height: 682px;
        margin-top: 150px;
        margin-bottom: 200px;
    }

    .vision .left img {
        right: 10px;
        top: 30px;
        width: 611px;
        height: 545px;
    }

    .vision .con {
        height: 682px;
        width: 550px;
    }

    .vision .con .title {
        font-size: 60px;
        line-height: 60px;
    }

    .vision .con .bannerCon {
        font-size: 18px;
        font-weight: 400;
        line-height: 27px;
        margin-top: 50px;
    }

    /* vecent */
    .vecent {
        width: 1074px;
    }

    .vecent .title {
        font-size: 60px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        line-height: 60px;
        text-align: center;
        text-transform: uppercase;
    }
    .vecent .desc {
        font-size: 30px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #ccc;
        line-height: 1.2;
        text-align: center;
        margin-top: 20px;
    }

    /* MAP */
    .MAP {
        width: 1530px;
        margin-top: 200px;
    }

    .MAP .title {
        font-size: 60px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        line-height: 60px;
        text-align: center;
        text-transform: uppercase;
    }

    .MAP .con {
        width: 1530px;
        height: 1193px;
    }

    .MAP .con img {
        width: 713px;
        margin-left: 507px;
        margin-top: 100px;
    }

    /* partners */
    .partners {
        width: 100%;
        padding: 0 60px;
        box-sizing: border-box;
        margin-top: 50px;
    }

    .partners .title {
        font-size: 60px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        line-height: 60px;
        text-align: center;
        text-transform: uppercase;
    }

    .partners .con {
        margin-top: 70px;
    }

    .partners .con .image1 {
        margin-bottom: 15px;
        margin-right: 0;
    }

    .partners .cooperate {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 15px 10px;
    }

    .partners .msb {
        color: #fff;
        text-align: center;
        margin-top: 60px;
        font-size: 30px;
    }

    .partners .msb .text {
        padding-bottom: 8px;
        border-bottom: solid #fff 1px;
        cursor: pointer;
    }

    /* bottom */
    .bottom {
        height: 214px;
    }

    .bottom .con {
        width: 1200px;
        height: 214px;
    }

    .bottom .middle img {
        width: 150px;
        margin-right: 250px;
    }

    .bottom .right {
        width: 400px;
    }

    .bottom .right a {
        margin-left: 20px;
        width: 100px;
        line-height: 35px;
        height: 35px;
        font-size: 18px;
        font-weight: 400;
    }

}


/* h5 */
@media screen and (max-width: 768px) {
    .partners .con {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
    }

    /* nav */
    .pc-nav {
        display: none;
    }

    nav {
        height: 55px;
        box-shadow: 0px 0px 36px 4px rgba(181, 186, 196, 0.17);
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        z-index: 1000;
        line-height: 55px;
        background: #0A0F1E;
    }

    .page-left {
        display: flex;
        flex-direction: row;
        justify-content: flex-start; /* 让右侧元素通过 auto margin 靠右并相邻 */
        align-items: center;
    }

    .page-left .logo {
        display: flex;
        align-items: center;
        margin-left: 20px;
        font-size: 60px;
    }

    .page-left .logo img {
        height: 28px;
    }

    /* H5 顶部语言下拉（靠左于菜单，间距10px） */
    .h5-lang-dd {
        display: inline-flex;
        align-items: center;
        order: 1;
        margin-left: auto; /* 将语言图标推到最右侧，与菜单相邻 */
        margin-right: 0; /* 不要右外边距，间距由父容器 gap 控制 */
        position: relative;
    }

    .h5-lang-dd .language-btn {
        background: transparent;
        border: none;
        padding: 0;
        display: inline-flex;
        align-items: center;
        height: 24px; /* 与图标尺寸一致 */
        color: #fff;
    }

    .h5-lang-dd .language-btn .icon { width: 24px; height: 24px; }
    .h5-lang-dd .language-btn img {
        width: 24px;
        height: 24px;
        display: block;
        filter: brightness(0) invert(1); /* 转为白色 */
    }

    .page-left .menu-open { order: 2; }

    /* H5 顶部语言下拉的菜单与选项样式 */
    .h5-lang-dd .language-dropdown-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: auto;
        right: 0; /* 贴右侧，避免被遮挡 */
        min-width: 160px;
        background: linear-gradient(145deg, #1e2746 0%, #2a3a54 100%);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
        border-radius: 12px;
        margin-top: 8px;
        padding: 0;
        overflow: hidden;
        z-index: 1000;
        backdrop-filter: blur(10px);
    }

    .h5-lang-dd .language-dropdown-menu.show {
        display: block;
        animation: slideDown 0.3s ease-out;
    }

    .h5-lang-dd .language-option {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 6px 10px;
        color: #fff;
        text-decoration: none;
        font-size: 13px;
        transition: background 0.2s ease;
    }

    .h5-lang-dd .language-option:hover {
        background: #1a1b23;
    }

    .page-left .menu .icon {
        width: 50px;
        height: 20px;
        fill: #fff;
    }

    .svg-icon {
        width: 1.2em;
        height: 1.2em;
        vertical-align: middle;
        fill: currentColor;
        overflow: hidden;
    }

    .page-left .menu .close {
        width: 26px;
        height: 30px;
        fill: #fff;
        color: #fff;
        font-size: 24px;
    }

    .page-left .list {
        line-height: 55px;
        display: flex;
        flex-direction: column;
        position: absolute;
        right: 0;
        top: 55px;
        background: #fff;
        width: 100%;
        height: calc(100vh - 55px);
        box-shadow: 0px 0px 36px 4px rgba(181, 186, 196, 0.17);
    }

    .page-left .list .item {
        font-size: 26px;
        color: #000;
        cursor: pointer;
        line-height: 30px;
        height: 30px;
        font-weight: 400;
        margin-left: 20px;
        margin-top: 40px;
        font-family: "Manrope,sans-serif";
    }

    .page-left .list .item a {
        color: #000;
        text-decoration: none;
    }

    .page-left .list .language-dropdown {
        position: relative;
        margin-left: 20px;
        margin-top: 30px;
        display: inline-block;
    }

    .page-left .list .language-btn {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 16px;
        color: #fff;
        border-radius: 10px;
        transition: all 0.3s ease;
        box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
    }

    .page-left .list .language-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    }

    .page-left .list .language-btn .language-icon {
        width: 20px;
        height: 20px;
        opacity: 0.9;
    }

    .page-left .list .language-btn .dropdown-arrow {
        width: 12px;
        height: 12px;
        transition: transform 0.3s ease;
        opacity: 0.8;
    }

    .page-left .list .language-text {
        font-size: 14px;
        color: #fff;
        text-transform: uppercase;
    }

    .page-left .list .dropdown-arrow {
        font-size: 10px;
        color: #fff;
        transition: transform 0.3s;
    }

    .page-left .list .language-dropdown-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        background: linear-gradient(145deg, #1e2746 0%, #2a3a54 100%);
        min-width: 160px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
        z-index: 1000;
        margin-top: 8px;
        padding: 0; /* 移除容器内边距 */
        border-radius: 12px;
        overflow: hidden;
        backdrop-filter: blur(10px);
    }

    .page-left .list .language-dropdown-menu.show {
        display: block;
        animation: slideDown 0.3s ease-out;
    }

    .page-left .list .language-option {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 0 0 0 12px; /* 左侧留出一点内边距 */
        width: 100%;
        box-sizing: border-box;
        text-decoration: none;
        color: #fff;
        font-size: 13px;
        transition: all 0.2s ease;
        border-bottom: none; /* 去掉分隔线 */
    }

    .page-left .list .language-option::before { display: none !important; }

    .page-left .list .language-option:last-child {
        border-bottom: none;
    }

    .page-left .list .language-option:hover {
        background: #1a1b23;
        transform: translateX(4px);
    }

    .page-left .list .language-option .flag-icon {
        font-size: 20px;
        line-height: 1;
    }

    .page-left .list .language-option .lang-name {
        font-weight: 500;
        letter-spacing: 0.3px;
    }

    /* banner */
    .banner {
        width: 100%;
        height: auto;
        position: relative;
    }

    .pc-banner {
        display: none;
    }

    .banner .banner.h5-banner {
        width: 100%;
        display: block;
        left: 0;
        top: 0;
    }

    .banner .con {
        display: flex;
        flex-direction: column;
        justify-content: center;
        text-align: center;
        width: 300px;
        margin: 0 auto;
        position: absolute;
        top: 140px;
        left: 50%;
        margin-left: -146px;
        background: none;
    }

    .banner .con .download-wrap {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-top: 40px;
        flex-direction: column;
        /*background: red;*/

    }

    .banner .con .download-wrap .download {
        margin: 0 20px 20px;

    }

    .banner .con .download-wrap .download .img-btn {
        margin: 0 20px;
        width: 257px;
        height: 50px;
        border: 1px solid #858A94;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        color: #fff;

    }

    .download .img-btn .download-image {
        width: 30px;
        height: 30px;
        margin-right: 8px;

    }

    .download .img-btn .chrome-img {
        width: 24px;
        height: 24px;
        margin-right: 8px;

    }

    .banner .con .download-wrap .download-img {
        width: 120px;
        height: auto;
        margin: 20px auto 0;
    }

    .banner .con .download-wrap .qrcode {
        display: none;
    }


    .banner .con .bannerCon {
        font-size: 49px;
        font-family: 'Montserrat-Bold';
        font-weight: 800;
        color: #fff;
        line-height: 43px;
    }

    .banner .con .logoImage4 {
        margin-top: 100px;
    }

    .banner .con .logoImage4 img {
        width: 240px;
        height: auto;
    }

    .banner .con .subTitle {
        font-size: 14px;
        font-family: 'Montserrat-ExtraBold';
        font-weight: 500;
        color: #fff;
        text-shadow: 1px 4px 0px rgba(5, 10, 27, 0.83);
        margin-top: 20px;
    }

    .banner .con .btn {
        padding-left: 12px;
        padding-right: 12px;
        margin: 30px auto 0;
        text-decoration: none;
        border-radius: 10px;
        text-align: center;
        line-height: 36px;
        font-size: 16px;
        font-family: 'Montserrat-Regular';
        min-width: 109px;
        height: 36px;
        background: linear-gradient(270deg, #895FEB 0%, #3AC8EA 100%);
    }

    /* About */
    .about .con {
        margin: 0 20px;
        display: flex;
        flex-direction: column-reverse;
        justify-content: center;
        justify-content: center;
        align-items: center;
    }

    .about .con .bannerCon {
        font-size: 30px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        line-height: 60px;
        text-transform: uppercase;
    }
    .about .con .bannerDesc {
        font-size: 12px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        line-height: 1.2;
        margin-top: 20px;
    }

    .about .con .subTitle {
        font-size: 12px;
        font-family: 'Montserrat-Regular';
        font-weight: 400;
        color: #fff;
        line-height: 20px;
        margin-top: 20px;
    }

    .about .con .subTitle p {
        margin-bottom: 10px;
    }

    .about .con .left {
        margin-top: -60px;
    }

    .about .con .left img {
        width: 100%;
        transform: rotateZ(105deg) scale(0.75);
    }

    /* WHITEPAPER */
    .whitePaper .con {
        margin: 0 20px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        justify-content: center;
        align-items: center;
        background: url(./images/whitepaper.dde4d389.png) no-repeat center center;
        background-size: 100%;
        height: 300px;
    }

    .whitePaper .con .wp-title {
        font-size: 28px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        text-transform: uppercase;
        text-align: center;
        width: 200px;
    }

    .whitePaper .con .btn {
        margin: 0 auto;
        margin-top: 20px;
        color: #fff;
        text-decoration: none;
        border-radius: 5px;
        text-align: center;
        line-height: 21px;
        font-size: 12px;
        font-family: 'Montserrat-Regular';
        height: 21px;
        padding: 0 15px;
        background: linear-gradient(270deg, #895FEB 0%, #3AC8EA 100%);
    }

    .whitePaper .con .btn img {
        vertical-align: middle;
        margin-left: 6px;
        margin-top: -2px;
        width: 15px;
    }

    /* Web */
    .Web {
        margin: 0 20px;
    }

    .Web .title {
        font-size: 30px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        text-transform: uppercase;
    }

    .Web .name {
        margin-top: 20px;
        font-size: 12px;
        font-family: 'Montserrat-Regular';
        font-weight: 400;
        color: #fff;
        line-height: 22px;
    }

    .Web .list {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        margin-top: 22px;
    }

    .Web .list .item {
        margin-bottom: 22px;
    }

    .Web .list .item .itemCon {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 130px;
        padding: 22px 13px;
    }

    .Web .list .item .itemCon:nth-child(1) {
        /*background: url(./images/web-04.992afbe0.png) no-repeat center center;*/
        /*background-size: 100%;*/
    }

    .Web .list .item .content {
        font-size: 12px;
        font-family: 'Montserrat-Regular';
        font-weight: 400;
        color: #fff;
        line-height: 22px;
    }

    .Web .list .item .itemName {
        font-size: 14px;
        font-family: 'Montserrat-Regular';
        font-weight: bold;
        color: #fff;
        line-height: 24px;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
        text-transform: uppercase;
    }

    .Web .list .item .itemName img {
        width: 30px;
        height: 36px;
    }

    .Web .list .item .itemName .gpt {
        width: 30px;
        height: 30px;
    }

    /* vision */
    .vision {
        margin: 0 20px;
        position: relative;
        margin-top: 50px;
    }

    .vision .con {
        width: 100%;
        flex-direction: column;
    }

    .vision .con .title {
        font-size: 30px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        text-transform: uppercase;
        margin-top: 50px;
    }

    .vision .con .bannerCon {
        font-size: 12px;
        font-family: 'Montserrat-Regular';
        font-weight: 400;
        color: #fff;
        line-height: 22px;
        margin-top: 20px;
    }

    .vision .left {
        margin-top: -40px;
    }

    .vision .left img {
        width: 100%;
        position: relative;
    }

    .Web {
        padding-top: 50px;
    }

    /* vecent */
    .vecent {
        margin: 0 20px;
        margin-top: 50px;
    }

    .vecent .title {
        font-size: 22px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        text-transform: uppercase;
        text-align: center;
    }
    .vecent .desc {
        font-size: 12px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #ccc;
        line-height: 1.2;
        text-align: center;
        margin-top: 20px;
    }

    .vecent .con {
        margin-top: 20px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .vecent .con img {
        width: 100%;
        height: auto;
    }

    /* MAP */
    .MAP {
        margin: 0 auto;
        margin-top: 60px;
    }

    .MAP .title {
        font-size: 30px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        text-align: center;
        text-transform: uppercase;
    }

    .MAP .con {
        width: 100%;
        background: url(./images/map01.ebef53d8.png) no-repeat center center;
        background-size: cover;
        height: 600px;
        position: relative;
    }

    .MAP .con img {
        width: 300px;
        position: absolute;
        left: 50%;
        top: 50px;
        transform: translateX(-37%);
    }

    /* partners */
    .partners {
        margin: 0 16px;
        margin-top: -50px;
    }

    .partners .bottom-image {
        display: none;
    }

    .partners .title {
        font-size: 30px;
        font-family: 'Montserrat-Bold';
        font-weight: bold;
        color: #fff;
        text-align: center;
        text-transform: uppercase;
    }

    .partners .con {
        margin-top: 30px;
        gap: 11px;
    }

    .partners .con img {
        height: 43px;
    }

    /* video */
    .video-out {
        position: fixed;
        left: 50%;
        top: 50%;
        width: 300px;
        height: 180px;
        /*margin: -90px 0 0 -150px;*/
        transform: translate(-50%, -50%);

    }

    .video-out .videoClose {
        position: absolute;
        right: 0;
        top: -30px;
        width: 30px;
        height: 30px;
        background: #277BC1;
        border-radius: 100%;
        font-size: 30px;
        color: #fff;
        line-height: 30px;
        text-align: center;
        cursor: pointer;
    }

    .video-box {
        width: 300px;
        height: 180px;
    }

    .partners .msb {
        display: none;
        color: #fff;
        text-align: center;
        margin-top: 30px;
        font-size: 20px;
    }

    .partners .msb .text {
        border-bottom: solid #fff 1px;
    }

    /* bottom */
    .bottom {
        margin: 30px 0;
    }

    .bottom .con {
        margin: 0 20px;
        display: flex;
        flex-direction: row;
        align-items: center;
    }

    .bottom .middle img {
        width: 100px;
        height: auto;
    }

    .bottom .right {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
    }

    .bottom .right a {
        text-decoration: none;
        margin-left: 20px;
        line-height: 25px;
        height: 35px;
        width: 50px;
        font-size: 12px;
        font-family: 'Montserrat-Regular';
        font-weight: 400;
        color: #fff;
        text-transform: uppercase;
    }

    /* copyright */
    .copyright {
        height: 34px;
        background: #333333;
        opacity: 0.6;
        font-size: 12px;
        font-family: Source Han Sans CN;
        font-weight: 400;
        color: #fff;
        line-height: 21px;
        line-height: 34px;
        text-align: center;
    }

    .page-left .menu-open,
    .page-left .menu-off {
        margin-left: auto;
        margin-right: 15px;
    }
    .page-left .menu-off,
    .page-left .menu-list,
    .page-left .menu-topBg {
        display: none;
    }

    .menu-list .list-wrap {
        background: #0A0F1E;
        color: #fff;
        height: 100%;
    }

    .menu-list .list-wrap .item a {
        color: #fff;
    }
}

/* 让 H5 导航在宽度<=992px 时生效，避免同时出现两个导航 */
@media screen and (max-width: 992px) {
    .pc-nav { display: none; }
    .h5-nav { display: flex; }
}