body {
    background-color: #fafafa;
}

/*========== HEADER ==========*/
.header {
    transition: 0.35s ease-out;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-fixed);
    background: #ffffff;
    box-shadow: inset 0 -0.5px 0 0 rgba(0, 0, 0, 0.1);
}

@media screen and (min-width: 769px) {
    .header {
        transform: translateY(-100%);
    }
}
.nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 123px;
    padding: 16px 0 24px;
}

.nav_logo {
    width: 140px;
    height: 28px;
}

.nav_logo img {
    width: 100%;
}

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

.nav_item {
    margin-right: 80px;
    position: relative;
}

.nav_item_last {
    margin-right: 0;
}

.nav_link {
    color: var(--font-color-1);
    font-size: 14px;
    line-height: 19px;
    font-weight: 500;
    transition: 0.3s;
    font-family: MiSans_Medium;
}

.nav_link:hover {
    color: var(--first-color);
}

.nav_link::before {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0px;
    background-color: var(--first-color);
    width: 0%;
    height: 3px;
    transition: 0.3s ease;
}

.nav_link:hover:before {
    width: 100%;
}
.active_link {
    color: var(--first-color);
}

.active_link::before {
    width: 100%;
}

.nav__toggle {
    display: none;
    cursor: pointer;
}

.header_slide_down {
    transform: translateY(0);
}

.header_slide_up {
    transform: translateY(-100%);
}

/*========== INDEX ==========*/
.section {
    position: relative;
    z-index: 2;
}
/* index_page_1 */
.index_page_1 {
    background-image: url(https://gubesto.oss-cn-shanghai.aliyuncs.com/gubesto/img/home_img_banner.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-color: #fafafa;
    /* background-position-x: right;
    background-position-y: center; */
    overflow: hidden;
    position: sticky;
    top: 0;
    z-index: -1;
}

.banner_logo {
    position: absolute;
    top: 12px;
    left: 8.3333vw;
    width: 100px;
    height: 36px;
    z-index: 5;
}

.banner_logo img {
    width: 100%;
}

.banner_aside {
    height: 100vh;
}
.banner_text {
    position: absolute;
    top: 19.1489vh;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 5;
}

.banner_aside_1_img {
    width: 200px;
    height: 40px;
    margin: 0 auto;
}
.banner_aside_2 {
    margin-top: 60px;
    font-family: MiSans_Medium;
    font-weight: 500;
    font-size: 60px;
    color: #ffffff;
    line-height: 80px;
    letter-spacing: 4px;
    text-shadow: 0px 0px 24px rgba(0, 38, 63, 0.2);
    margin-left: 4px;
}

.banner_aside_3 {
    font-family: GothamSSm_Light;
    font-weight: 300;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 16px;
    text-transform: uppercase;
    /* letter-spacing: 16px; */
    text-shadow: 0px 0px 24px rgba(0, 38, 63, 0.2);
    margin-top: 8px;
    /* margin-left: 6px; */
}

.banner_aside_btn {
    width: 136px;
    height: 36px;
    background: #001a70;
    border-radius: 4px;
    margin-top: 60px;

    font-family: MiSans_Light;
    font-weight: 300;
    font-size: 14px;
    color: #fafafa;
    letter-spacing: 2px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

/* index_page_2 */
.index_page_2 {
    background-image: url(https://gubesto.oss-cn-shanghai.aliyuncs.com/gubesto/img/home_img_use.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.index_page_2_text {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 17vh;
}

.index_page_2_text_bg,
.index_page_1_text_bg {
    width: 100%;
    display: none;
}

.index_page_2_text_1 {
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 22px;
    letter-spacing: 4px;
}

.index_page_2_text_2 {
    font-family: GothamSSm_Black;
    /* font-weight: 900; */
    font-size: 46px;
    color: #333333;
    line-height: 60px;
    text-transform: uppercase;
    margin-top: 4px;
}

/* index_page_3 */
.index_page_3,
.index_page_4 {
    background-color: #fafafa;
}
.index_page_3_text {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 17vh;
    overflow: hidden;
}
.index_page_3_imgs {
    position: relative;
    width: 380px;
    height: calc(380px + 16px + 10.638vh);
    text-align: center;
    margin-top: 10.638vh;
    margin-bottom: calc(46px + 16px + 3.82978vh);
}

.index_page_3_imgs_1 > img,
.index_page_3_imgs_2 > img {
    width: 380px;
    height: 380px;
}
.index_page_3_imgs_1,
.index_page_3_imgs_2 {
    transition: all 0.38s ease-in;
    position: absolute;
    top: 0;
}
.index_page_3_imgs_1 {
    left: 0;
    opacity: 1;
}
.index_page_3_imgs_2 {
    right: -100%;
    opacity: 0;
}

.index_page_3_imgs_1_slide {
    left: -100%;
    opacity: 0;
}

.index_page_3_imgs_2_slide {
    right: 0;
    opacity: 1;
}

.index_page_3_imgs_text {
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 12px;
    color: #999999;
    line-height: 16px;
    margin-top: 10.638vh;
    display: inline-block;
}

.index_page_3_cg_btn {
    position: absolute;
    left: 50%;
    bottom: 3.8297vh;
    transform: translateX(-50%);
    width: 220px;
    height: 46px;
    background: #eeeeee;
    border-radius: 23px;
    padding: 4px;
}

.index_page_3_cg_btn_text,
.index_page_3_cg_btn_slide {
    width: 106px;
    height: 38px;
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: #999999;
    transition: all 0.38s ease-out;
}
.index_page_3_cg_btn_text_active {
    color: #fafafa;
}
.index_page_3_cg_btn_slide {
    background: #001a70;
    border-radius: 19px;
    position: absolute;
    z-index: -1;
    left: 4px;
    top: 4px;
}

.index_page_3_cg_btn_slide_rt {
    left: 110px;
}

/* index_page_4 */
.index_page_float_tit {
    padding-top: 17vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1;
}

.index_page_float_tit > p {
    font-family: MiSans_Normal;
    text-align: center;
}

.index_page_float_tit_1 {
    font-family: MiSans_Medium !important;

    /* font-weight: 500; */
    font-size: 18px;
    color: #001a70;
    line-height: 24px;
}

.index_page_float_tit_2 {
    max-width: 565px;
    font-weight: 400;
    font-size: 14px;
    color: #999999;
    line-height: 26px;
    margin-top: 24px;
    transition: color 0.3s ease;
}

.highlight {
    color: #001a70;
}

.index_page_float_hide {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.about_banner_bottom_ul {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 80px;
    padding-bottom: 21.27659vh;
}

.about_banner_bottom_li:nth-child(2) {
    margin: 0 200px;
}
.about_banner_bottom_li {
    display: flex;
    flex-direction: column;
}
.about_banner_bottom_tit {
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    line-height: 19px;
    font-family: MiSans_Normal;
}

.about_banner_bottom_desc {
    font-weight: 600;
    font-size: 34px;
    color: #001a70;
    line-height: 45px;
    display: flex;
    align-items: flex-start;
    margin-top: 10px;
    font-family: MiSans_Semibold;
}

.about_banner_bottom_desc > span {
    font-size: 30px;
    line-height: 39px;
    font-weight: 300;
    margin-top: -10px;
    font-family: MiSans_Light;
}

.index_page_float_banner {
    position: relative;
    height: calc(var(--vh, 1vh) * 100 * 3); /* 外层容器是图片高度的3倍 */
}

.image-container {
    width: 100vw;
    height: calc(var(--vh, 1vh) * 100);
    overflow: hidden;
    position: relative;
    display: contents;
}
.image-sticky {
    position: sticky;
    top: 0;
    z-index: 1001;
    height: auto;
}
.image-clip {
    will-change: clip-path;
    height: calc(var(--vh, 1vh) * 100);
    width: 100%;
    position: relative;
    overflow: hidden;
    clip-path: inset(9.1% 32.7%); /* 初始值：显示宽度34.6%，高度81.8% */
}
.fullscreen-image {
    will-change: transform;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;

    /* transform: scale(1.1); */
    /* transition: clip-path 0.2s ease, transform 0.2s ease; */
}

.image-container img:first-child {
    display: block;
}
.image-container img:last-child {
    display: none;
}

.text_wrap_pc::after {
    content: "";
    display: block; /* 强制换行 */
}
/*========== IMG POPUP ==========*/
.popup_img_wrapper {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: var(--z-fixed);
}

.popup_img_mask {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.5;
    background: #000;
}

.popup_img_canvas {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.popup_img_img {
    transform: scale(1) rotate(0deg);
    margin-left: 0px;
    margin-top: 0px;
    max-height: 100%;
    max-width: 100%;
}

.popup_img_btn_close {
    top: 40px;
    right: 40px;
    width: 40px;
    height: 40px;
    font-size: 24px;
    color: #fff;
    background-color: #606266;
    position: absolute;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    opacity: 0.8;
    cursor: pointer;
    box-sizing: border-box;
    user-select: none;
}

/*========== FOOTER ==========*/
.l_footer_in_header {
    display: none;
}

.footer_container {
    width: 72.9167vw;
    margin: 0 auto;
}
.page_bottm_img {
    width: 72.9167vw;
    margin: 17vh auto 24.2553vh;
}
.page_bottm_img > img {
    width: 100%;
}
.footer_div {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
}
.footer_section {
    flex: 1.5;
}
.footer_section:nth-child(3) {
    flex: 1;
}

.footer_section_tit {
    font-family: MiSans_Normal;
    font-weight: 400;
    font-size: 12px;
    color: #333333;
    line-height: 16px;
    margin-bottom: 24px;
}

.footer_section_ct {
    margin-bottom: 14px;
}
.footer_section_ct > p,
.footer_section > a,
.footer_div_bt_p {
    display: block;
    font-family: MiSans_Light;
    font-weight: 300;
    font-size: 12px;
    color: #666666;
    line-height: 16px;
}

.footer_section_ct > p:last-child {
    margin-top: 4px;
}

.footer_section_ct_qrcode {
    width: 60px;
    height: 60px;
}
.footer_div_bt {
    margin-top: 26px;
    padding: 24px 0;
    border-top: 1px solid rgba(0, 26, 112, 0.2);
}

.footer_all {
    overflow: hidden;
    position: sticky;
    bottom: 0;
    z-index: -2;
    background: #fafafa;
}

/*========== MEDIA QUERIES ==========*/
@media screen and (max-width: 960px) {
}

@media (max-width: 768px) {
    .nav {
        width: calc(100% - 12.8vw);
        margin: 0 auto;

        flex-direction: row;
        height: 44px;
        padding: 0;
    }

    .nav_logo {
        width: 80px;
        height: 28px;
    }
    .nav__toggle_bar {
        width: 18px;
        height: 0;
        border-bottom: 1.4px solid #001a70;
        flex-shrink: 0;
        /* background: #001a70; */
        transform-origin: center; /* 确保旋转中心点是元素的中心 */
        transition: 0.3s;
    }

    .nav__toggle {
        display: block;
        width: 24px;
        height: 24px;
        display: flex;
        align-items: center;
        flex-direction: column;
        justify-content: space-between;
        padding: 5px 0 6px;
    }
    /* 菜单图标动画 */
    .nav__toggle.open .nav__toggle_bar:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.open .nav__toggle_bar:nth-child(1) {
        transform: rotate(-45deg) translate(-3.9px, 4.5px);
    }

    .nav__toggle.open .nav__toggle_bar:nth-child(3) {
        transform: rotate(45deg) translate(-3.9px, -3.9px);
    }

    .nav_menu {
        visibility: hidden;
        opacity: 0;
        position: fixed;
        left: 0;
        top: 44px;
        width: 100%;
        height: 0;
        z-index: var(--z-fixed);
        transition: all 0.3s cubic-bezier(0.39, 0.575, 0.565, 1);
    }

    /* Show menu */
    .show-menu {
        visibility: visible;
        height: calc(100% - 44px);
        opacity: 1;
    }

    .nav_list {
        display: block;
        overflow-y: auto;
        background: #ffffff;
        height: 100%;
    }

    .nav_list::-webkit-scrollbar {
        display: none;
        /* 对于老版本的Webkit浏览器隐藏滚动条 */
    }

    .nav_item {
        margin-right: 0;
        width: 100%;
        height: 16vw;
        padding-left: 6.4vw;
        box-shadow: inset 0px -0.5px 0px 0px rgba(0, 0, 0, 0.1);
        display: flex;
        align-items: center;
    }

    .nav_link {
        display: flex;
        align-items: center;
        width: 100%;
        height: 100%;
    }
    .nav_link:hover:before {
        width: 0%;
    }
    .active_link::before {
        width: 0%;
    }

    /*========== INDEX ==========*/
    .index_page_1 {
        background-image: none;
    }
    .banner_aside {
        height: auto;
    }
    .banner_aside1 {
        height: 100vh;
        padding-top: 44px;
    }
    .banner_text {
        position: absolute;
        top: calc(44px + 16vw);
    }

    .banner_aside_1_img {
        width: 29.3333vw;
        height: auto;
    }
    .banner_aside_2 {
        margin-left: 0;
        margin-top: 6.4vw;
        font-size: 8vw;
        color: #ffffff;
        line-height: 10.4vw;
        letter-spacing: 0;
        text-shadow: 0vw 0vw 6.4vw rgba(0, 38, 63, 0.1);
    }
    .banner_aside_3 {
        margin-left: 0;
        margin-top: 1.0667vw;
        font-size: 2.4vw;
        color: rgba(255, 255, 255, 0.7);
        line-height: 2.9333vw;
        letter-spacing: 0;
    }

    .banner_aside_btn {
        width: 25.6vw;
        height: 6.9333vw;
        border-radius: 0.5333vw;
        margin-top: 9.6vw;

        font-size: 2.9333vw;
        letter-spacing: 0.2667vw;
    }

    /* index_page_2 */
    .index_page_2 {
        background-image: none;
    }

    .index_page_2_text {
        height: auto;
        padding-top: 0;
    }

    .index_page_2_text_bg {
        display: block;
        height: 176vw;
    }
    .index_page_1_text_bg {
        display: block;
        height: 100%;
    }
    .index_page_2_text_1 {
        font-size: 3.2vw;
        line-height: 4.2667vw;
        letter-spacing: 0.5333vw;
        position: absolute;
        top: 37.3333vw;
        width: 100%;
        text-align: center;
    }

    .index_page_2_text_2 {
        font-size: 5.3333vw;
        line-height: 6.4vw;
        margin-top: 0;
        position: absolute;
        top: 42.6667vw;
        width: 100%;
        text-align: center;
    }

    .banner_aside_btn2 {
        margin-top: 0;
        position: absolute;
        top: 60.8vw;
        width: 20.2667vw;
    }

    /* index_page_3 */
    .index_page_3_text {
        min-height: auto;
        padding-top: 70.6667vw;
    }
    .index_page_3_imgs {
        width: 69.3333vw;
        height: 88vw;
        margin-bottom: 12.2667vw;
        margin-top: 0;
    }

    .index_page_3_imgs_1 > img,
    .index_page_3_imgs_2 > img {
        width: 69.3333vw;
        height: 69.3333vw;
    }
    .index_page_3_imgs_text {
        margin-top: 14.4vw;
    }

    .index_page_3_cg_btn {
        margin-bottom: 12.2667vw;
        position: relative;
        left: 0;
        bottom: 0;
        transform: translateX(-0%);
        width: 52.2667vw;
        height: 10.6667vw;
        background: #ffffff;
        border-radius: 5.3333vw;
        padding: 0.5333vw;
        box-shadow: 0vw 0vw 6.4vw 0vw rgba(0, 0, 0, 0.06);
    }

    .index_page_3_cg_btn_text,
    .index_page_3_cg_btn_slide {
        width: 25.6vw;
        height: 9.6vw;
        font-size: 3.2vw;
    }
    .index_page_3_cg_btn_slide {
        border-radius: 4.8vw;
        left: 0.5333vw;
        top: 0.5333vw;
    }

    .index_page_3_cg_btn_slide_rt {
        left: 26.1333vw;
    }

    /* index_page_4 */
    .index_page_float_tit {
        padding-top: 37.3333vw;
    }

    .index_page_float_tit_1 {
        /* font-weight: 600; */
        font-size: 3.7333vw;
        line-height: 5.3333vw;
    }

    .index_page_float_tit_2 {
        max-width: 78.6667vw;
        font-size: 3.2vw;
        line-height: 5.3333vw;
        margin-top: 9.6vw;
    }

    .index_page_float_hide {
        height: 80vw;
    }

    .banner_aside_btn4 {
        width: 20.2667vw;
        margin-top: 12.2667vw;
    }

    .about_banner_bottom_ul {
        margin: 0 auto;
        margin-top: 16vw;
        padding-bottom: 0;
        width: calc(100% - 12.8vw);
        justify-content: space-between;
    }

    .about_banner_bottom_li:nth-child(2) {
        margin: 0;
    }

    .about_banner_bottom_tit {
        font-size: 2.4vw;
        line-height: 3.2vw;
    }

    .about_banner_bottom_desc {
        font-size: 4.8vw;
        line-height: 6.4vw;
        margin-top: 1.6vw;
    }

    .about_banner_bottom_desc > span {
        font-size: 4.2667vw;
        line-height: 5.8667vw;
        margin-top: -1.6vw;
    }

    .index_page_float_banner {
        /* height: 300vh; */
        height: calc(var(--vh, 1vh) * 100 * 2.5); /* 外层容器是图片高度的3倍 */
    }

    .image-clip {
        clip-path: inset(25% 17%); /* 初始值：显示宽度34.6%，高度81.8% */
    }
    .image-container img:first-child {
        display: none;
    }
    .image-container img:last-child {
        display: block;
    }

    .text_wrap_pc::after {
        content: "";
        display: inline; /* 强制换行 */
    }
    .text_wrap_phone::after {
        content: "";
        display: block; /* 强制换行 */
    }
    /*========== FOOTER ==========*/

    .page_bottm_img {
        width: calc(100% - 12.8vw);
        padding: 16vw 0;
        margin: 0 auto;
    }

    .footer_container {
        box-shadow: inset 0px 0.5px 0px 0px rgba(0, 0, 0, 0.1);
        padding: 0 6.4vw;
        width: 100%;
    }
    .l_footer_in_header {
        display: block;
    }
    .footer_div {
        flex-direction: column;
        align-items: flex-start;
    }
    .footer_section_tit {
        margin-bottom: 14px;
        padding-top: 9.6vw;
    }
    .footer_section > .footer_section_ct:last-child {
        margin-bottom: 0;
    }

    .footer_div_bt {
        margin-top: 36px;
        padding: 0 0 50px;
        border-top: none;
    }
    .footer_div_bt > .footer_section {
        margin-bottom: 4px;
    }
    .footer_all {
        background-color: #ffffff;
    }
}