/* ===== 1. Base/Global ===== */
@font-face {
    font-family: 'Poppins';
    src: url('../fonts/Poppins-Regular.woff2') format('woff2');
    font-weight: normal;
}

@font-face {
    font-family: 'Poppins';
    src: url('../fonts/Poppins-SemiBold.woff2') format('woff2');
    font-weight: 600;
}

:root {
    /*ui-scale-factor*/
    --rpx-75: clamp(0.75px, calc(0.026vw + 0.500px), 1px);
    --rpx-67: clamp(0.667px, calc(0.035vw + 0.334px), 1px);
    --rpx-50: clamp(.5px, 0.052vw, 1px);

    /*font-size-scale-factor*/
    --fpx-87: clamp(0.875px, calc(0.013vw + 0.75px), 1px);
    --fpx-75: clamp(0.75px, calc(0.026vw + 0.500px), 1px);
    --fpx-67: clamp(0.667px, calc(0.035vw + 0.334px), 1px);
    --fpx-50: clamp(.5px, 0.052vw, 1px);

    /*
    * 1px at 1920
    * 0.667px at 960
    */
    --rpx: var(--rpx-67);
    --fpx: var(--fpx-87);

    --wrapper-width: clamp(900px, calc(56.25vw + 360px), 1440px);
    --wrapper-margin: calc((100vw - var(--wrapper-width)) / 2);

    --serif-font: "Times New Roman", serif;
    --sans-serif-font: Poppins, "Source Han Sans CN", OpenSans, Arial, sans-serif;

    font-family: var(--sans-serif-font), serif;

    --theme-back: #080914;
    --theme-blue: #426CE9;
    --theme-violet: #A47CFF;
    --theme-gradient: linear-gradient(to bottom, #426CE9, #A47CFF);

    --header-height: calc(120 * var(--rpx));
    --breadcrumbs-height: calc(50 * var(--rpx));
    --page-padding-top: calc(var(--header-height-max) + var(--breadcrumbs-height));

    --inner-nav-max: calc(72 * var(--rpx));
    --inner-nav-min: calc(60 * var(--rpx));

    --no-header-100vh: calc(100vh - var(--header-height-max));
}

* {
    box-sizing: border-box;
    /*transition-timing-function: cubic-bezier(0.15, 1, 0.336, 1) !important;*/
    transition-timing-function: cubic-bezier(0.15, 1, 0.336, 1);
    font-family: inherit;
}

a {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}


p {
    margin-top: 0;
    margin-bottom: 0;
}

.desc p + p {
    margin-top: 1.25em;
}

html {
    color: #fff;
    font-size: calc(16 * var(--fpx));
    background-color: var(--theme-back);
}

body {
    font-size: clamp(14px, calc(0.20833vw + 12px), 16px);
    margin: 0;
    padding-right: 0 !important;
    min-height: 100vh;

    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.colored{
    background: linear-gradient(to right, #4D66E7 0%, #F3ECFF 50%, #9C7FFF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

sup {
    font-size: .5em;
    line-height: 1em;
    vertical-align: 0;
    transform: translateY(-80%);
    display: inline-block;
}

br.mobile {
    display: none;
}

@media (max-width: 750px) {
    br.mobile {
        display: block;
    }
}

.anchor {
    position: relative;
    display: none;
}

.wrapper {
    width: var(--wrapper-width);
    margin-left: auto;
    margin-right: auto;
}

section .wrapper {
    position: relative;
}

/*.page-content {
    padding-top: var(--header-height-max);
}*/

/* ===== 2. layer-mask ===== */
.layer-mask {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, .5);
    z-index: 500;
    opacity: 0;
    visibility: hidden;
    transition: .2s;
}

body.masked .layer-mask {
    opacity: 1;
    visibility: visible;
    transition: .4s;
}

.site-header {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 600;
    color: #fff;
    transform: translateY(0);
    transition: transform 0.4s cubic-bezier(0.15, 1, 0.336, 1), opacity 0.3s;
}

body.header-hidden .site-header {
    transform: translateY(-100%);
}

.site-header::before {
    content: "";
    position: absolute;
    width: 100%;
    height: calc(320 * var(--rpx));
    top: 0;
    left: 0;
    background: linear-gradient(to bottom, #0008, #0000);
    pointer-events: none;
    transition: .3s;
}

.site-header-sample, .inner-nav-sample {
    position: absolute;
    left: 0;
    width: 0;
    top: 0;
    z-index: 601;
}

.site-header-sample.min {
    height: var(--header-height-min);
}

.site-header-sample.max {
    height: var(--header-height-max);
}

.site-header-sample.diff {
    height: calc(var(--header-height-max) - var(--header-height-min));
}

.inner-nav-sample.min {
    height: var(--inner-nav-min);
}

.site-header.wireframe::before,
.site-header.solid::before {
    display: none;
}

.site-header.wireframe {
    border-bottom: 1px solid rgba(255, 255, 255, .3);
}

.site-header.solid,
.site-header.solid .nav-bar {
    color: #fff;
    background-color: transparent;
}

/* ===== 4. nav-bar, top-nav, top-nav-item, top-nav-link ===== */
.nav-bar {
    height: 100%;
    z-index: 620;
    position: relative;
    transition: .3s;
    border-bottom: 1px solid #fff3;
}

.nav-bar .wrapper {
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-right{
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    height: 100%;
    padding-top: calc(10 * var(--rpx));
}

.others-nav{
    font-size: calc(14 * var(--fpx-87));
    gap: calc(40 * var(--rpx));
    display: flex;
    align-items: center;
}

.top-nav-item:last-of-type{
    margin-right: calc(-25 * var(--rpx));
}

.top-nav {
    height: calc(64 * var(--rpx));
    display: flex;
    font-weight: normal;
    margin-left: calc(60 * var(--rpx));
}

.top-nav-item {
    flex: 0 0 auto;
    position: relative;
}

/* 顶栏光束：shader 中沿链接宽度 x 做两侧 falloff（约 0~0.15 / 0.85~1）与中心高斯（σ≈0.14）；
   .btn-more 侧翼为竖向条带，同一套规则在 light_back_effect 中改为沿高度 y。 */
.top-nav-link {
    padding-left: calc(25 * var(--rpx-50));
    padding-right: calc(25 * var(--rpx-50));

    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;

    position: relative;
    box-sizing: content-box;
    gap: calc(8em / 14);
    text-transform: uppercase;
    z-index: 620;
    overflow: visible;
    transition: background-color .22s ease-out, color .22s ease-out;
}

.top-nav-beam-layer {
    position: absolute;
    top: calc(-30 * var(--rpx));
    left: calc(-20 * var(--rpx));
    right: calc(-20 * var(--rpx));
    bottom: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.top-nav-link .link-text {
    position: relative;
    z-index: 2;
}

.light-back-effect-canvas {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.top-nav-link:hover,
.top-nav-link.nav-beam-hover-active,
.top-nav-item.active .top-nav-link {
    color: #fff;
}

.site-header .top-nav-item:hover,
.site-header .top-nav-link.active,
.site-header .top-nav-link:hover,
.site-header .top-nav-link.nav-beam-hover-active,
.site-header .top-nav-item.active .top-nav-link,
.site-header .breadcrumbs-bar,
.site-header .breadcrumbs-bar a {
    color: #fff;
}

.top-nav:hover{
    z-index: 640;
}

/* ===== 5. site-logo ===== */
.site-logo {
    height: calc(60 * var(--rpx-75));
    width: auto;
    transition: .3s;
}

.site-logo img {
    display: block;
    height: 100%;
    width: auto;
    filter: url(#white-overlay);
}

.icon-btn {
    position: relative;
    z-index: 620;
}

.icon-btn:hover {
    background-color: rgba(255, 255, 255, .25);
    cursor: pointer;
    transition: 1.2s cubic-bezier(0.15, 1, 0.336, 1);
}

/* btn-more, nav-btn-style, icon-btn (header buttons) */
.btn-more {
    cursor: pointer;
    color: #fff;
    height: calc(60em / 16);
    width: calc(220rem / 16);
    border-radius: calc(15em / 16);
    padding: 0 calc(30em / 16) calc(1em / 16);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: calc(40em / 16);
    position: relative;
    overflow: visible;
    border: none;
    outline: none;

    font-size: 1rem;
    font-weight: 500;
    white-space: nowrap;
}

.btn-more-light-back-side {
    box-sizing: border-box;
    position: absolute;
    top: -2%;
    height: 104%;
    width: calc(150 * var(--rpx));
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.btn-more-light-back-side--left {
    right: calc(100% - 15 * var(--rpx));
    left: unset;
}

.btn-more-light-back-side--right {
    left: calc(100% - 15 * var(--rpx));
    right: unset;
}

.btn-more .text,
.btn-more i.arr{
    position: relative;
    z-index: 210;
}

.btn-more i.arr{
    width: calc(18em / 16);
    flex: 0 0 auto;
    height: calc(18em / 16);
    background: url("../images/icon_arr_go.svg") center/contain no-repeat;
}

.btn-more::before{
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;

    pointer-events: none;
    border: 1px solid #fff6;
    border-radius: calc(15em / 16);
    mask-image: linear-gradient(to bottom, #ffff 0%, #fff0 100%);
    box-sizing: border-box;
    z-index: 220;
    transition: transform .3s;
}

.btn-more::after{
    z-index: 200;
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;

    background: var(--theme-gradient);
    border-radius: calc(15em / 16);
    transition: filter .2s, transform .3s;
}

.btn-more:hover::after{
    filter: brightness(1.1);
    transform: scale(1.05);
    transition: filter .4s, transform .5s cubic-bezier(0.15, 1, 0.336, 1);
}

.btn-more:hover::before{
    transform: scale(1.05);
    transition: filter .4s, transform .5s cubic-bezier(0.15, 1, 0.336, 1);
}

.nav-btn-style {
    position: relative;
}

.nav-btn-style::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border-radius: calc(23em / 14);
    visibility: hidden;
    opacity: 0;
    --glow-color: rgba(255, 255, 255, .25);
}

/* ===== 7. nav-sub-mask-layer ===== */
.nav-sub-mask-layer {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(0, 0, 0, .4);
    pointer-events: none;
    z-index: 589;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
}

.nav-sub-mask-layer.active {
    opacity: 1;
    visibility: visible;
}

/* ===== 8. nav-sub-bar ===== */
.nav-sub-bar {
    position: fixed;
    left: 0;
    top: var(--header-height);
    width: 100%;
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    z-index: 590;
    color: #fff;
    transform: scaleY(.8) translateY(-12%);
    opacity: 0;
    visibility: hidden;
    transition: transform .4s cubic-bezier(0.15, 1, 0.336, 1), opacity .3s, visibility .3s;
    pointer-events: none;
}

.nav-sub-bar.active {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

/* ===== 9. nav-sub-panel, col-single, col-link ===== */
.nav-sub-panel {
    display: none;
    width: 100%;
}

.nav-sub-panel.current {
    display: flex;
}

.col-links {
    max-height: calc(100vh - var(--header-height) - 140 * var(--rpx));
    overflow: auto;
}

.col-links::-webkit-scrollbar {
    width: 4px;
    background: #0002;
    border-radius: 2px;
}

.col-links::-webkit-scrollbar-thumb {
    border-radius: 2px;
    background-color: rgb(255, 255, 255, .5);
}

.col-links::-webkit-scrollbar-track {
    background: transparent;
}

.nav-sub-bar .col-single {
    padding: calc(40 * var(--rpx));
    border-left: 1px solid rgba(255, 255, 255, .1);
    border-right: 1px solid rgba(255, 255, 255, .1);
}

.nav-sub-bar .col-link {
    display: block;
    font-size: calc(18rem / 16);
    line-height: calc(24em / 18);
    padding-top: calc(8em / 18);
    padding-bottom: calc(8em / 18);
    transition: .2s;
    position: relative;
    color: #fff8;
}

.nav-sub-bar .col-link::after {
    content: "";
    font-size: inherit;
    width: calc(15 * var(--rpx-75));
    height: calc(13 * var(--rpx-75));
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    opacity: 0;
    transform: translateX(-100%);
    transition: .2s;
    background: url("../images/icon_arr_right.svg") center/contain no-repeat;
    filter: url(#blue-overlay);
    margin: auto;
}

.col-single .col-link{
    padding-right: calc(32 * var(--rpx));
}

.col-single .col-link:hover,
.col-link.active {
    color: #ffff;
}

.col-single .col-link:hover::after,
.nav-sub-bar .col-link.active::after {
    opacity: 1;
    transform: none;
    transition: opacity .3s, transform .4s cubic-bezier(0.15, 1, 0.336, 1);
}

/* ===== 10. breadcrumbs-bar ===== */
.breadcrumbs-bar {
    position: relative;
    color: rgba(255, 255, 255, .7);
    z-index: 580;
    transition: .2s;
}

.breadcrumbs-bar.collapsed {
    transform: translateY(-101%);
    transition: .6s cubic-bezier(0.15, 1, 0.336, 1);
}

.breadcrumbs-bar.wireframe {
    border-bottom: 1px solid rgba(255, 255, 255, .3);
}

.breadcrumbs-bar .wrapper {
    height: var(--breadcrumbs-height);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    overflow: hidden;
    white-space: nowrap;
}

.breadcrumbs-bar.solid,
.scrolled .breadcrumbs-bar {
    background-color: #1C1C1C;
    border-bottom-color: rgba(255, 255, 255, 0)
}

.breadcrumbs {
    font-size: calc(14em / 16);
    margin-bottom: 0;
    display: flex;
    padding-left: 0;
}

.breadcrumbs li {
    list-style: none;
    display: flex;
    align-items: center;
}

.breadcrumbs a.no-link {
    cursor: text;
}

.breadcrumbs a.no-link:hover {
    color: inherit;
}

.breadcrumbs li .next-level {
    width: calc(4em / 14);
    height: calc(8em / 14);
    padding-left: 1em;
    padding-right: 1em;
    background: url("../images/icon_angle_right_white.svg") center/contain no-repeat;
    opacity: .8;
}

.breadcrumbs li a:hover,
.breadcrumbs.light li a:hover {
    color: var(--theme-blue);
}

/* ===== 11. site-footer ===== */
.site-footer {
    width: 100%;
    background-color: var(--theme-back);
    margin-top: auto;
    margin-bottom: 0;
    justify-self: flex-end;

    position: relative;
    height: calc(1180 * var(--rpx-67));
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-end;
}

.footer-contact{
    width: 100%;
    justify-self: flex-start;
    margin-top: 0;
    margin-bottom: auto;

    padding-top: calc(90 * var(--rpx-50));
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 210;
}

.pill-tag{
    background: linear-gradient(to bottom, #4D66E700, #4D66E77f);
    font-size: 1rem;
    width: calc(140em / 16);
    height: calc(40em / 16);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: calc(20em / 16);
    position: relative;
    box-shadow: 0 1px 0 #fff4 inset;
}

.pill-tag-text{
    background: linear-gradient(to right, #fff, #fff6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-contact .contact-text{
    font-weight: 600;
    font-size: calc(68 * var(--fpx-50));
    line-height: 1.5;
    margin-top: calc(30 * var(--rpx));
}

.footer-contact .btn-ctn{
    margin-top: calc(34 * var(--rpx));
}

.footer-back{
    width: 100%;
    overflow: hidden;
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 190;
}

.footer-back-inner{
    width: clamp(1200px, calc(75vw + 480px), 1920px);
    height: clamp(737.5px, calc(46.0938vw + 295px), 1180px);
    position: relative;
}

.footer-back-canvas{
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    pointer-events: none;
}

.footer-back-svg{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 195;
    pointer-events: none;
}

.footer-back-logo{
    position: absolute;
    width: calc(1600% / 19.2);
    height: calc(368% / 11.8);
    top: calc(500% / 11.8);
    left: 0;
    right: 0;
    margin: auto;
    z-index: 192;
}

.footer-back-logo-svg,
.footer-back-logo-trail{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.footer-back-canvas{
    width: clamp(1200px, calc(75vw + 480px), 1920px);
    aspect-ratio: 1920 / 1180;
    display: block;
    pointer-events: none;
}

.site-footer .part1,
.site-footer .part2{
    position: relative;
    z-index: 200;
}

.site-footer .part1 {
    color: rgba(255, 255, 255, .6);
}

.site-footer .part1 a:hover,
.site-footer .part2 a:hover {
    color: var(--theme-violet);
}

.site-footer .part1 .wrapper {
    padding-bottom: calc(85 * var(--rpx-50));
}

.site-footer .row1{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-footer .row2{
    margin-top: calc(60 * var(--rpx));
    display: flex;
    justify-content: space-between;
}

.footer-info, .lang-switch {
    flex: 0 0 clamp(210px, calc(3.125vw + 180px), 240px);;
}

.footer-logo {
    display: block;
    height: auto;
    width: clamp(180px, calc(4.6875vw + 135px), 225px);
}

.footer-logo img {
    display: block;
    height: auto;
    width: 100%;
}

.site-footer .part1 .wrapper{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-nav {
    flex: 0 0 clamp(780px, calc(25vw + 540px), 1020px);
    display: flex;
    gap: calc(40 * var(--rpx-50));
    flex-wrap: wrap;
    justify-content: space-between;

    font-size: calc(14 * var(--fpx-87))
}

.footer-nav-col {
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

@media (max-width: 1366px) {
    .footer-nav {
        gap: calc(50 * var(--rpx)) calc(30 * var(--rpx));
        justify-content: flex-start;
    }
    .footer-nav-col {
        width: calc((100% - 90 * var(--rpx)) / 4);
    }
}

.footer-link {
    font-size: calc(12 * var(--fpx-87));
    text-transform: uppercase;
    color: #fff8;
    margin-bottom: calc(20em / 16);
}

.footer-link-sub {
    line-height: calc(24em / 16);
    padding-top: calc(3em / 16);
    padding-bottom: calc(3em / 16);
    display: block;
    color: #fff;
}

.site-footer .part2 {
    color: rgba(255, 255, 255, .8);
    border-top: 1px solid rgba(255, 255, 255, .4);
}

.site-footer .part2 a:hover {
    text-decoration: underline;
}

.site-footer .part2 .wrapper {
    height: calc(120 * var(--rpx));
    padding-bottom: calc(5 * var(--rpx));
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-footer .part2 .left {
    display: flex;
    gap: calc(40 * var(--rpx));
}

.site-footer .part2 .right {
    font-size: calc(14em / 16);
    gap: calc(40 * var(--rpx));
    display: flex;
}

/* ===== 12. page-header, page-inner-nav ===== */
.page-header {
    height: calc(320 * var(--rpx-75));
    position: relative;
    color: #fff;
    overflow: hidden;
    background-color: #000;
}

.page-header.slim{
    height: calc(240 * var(--rpx-75));
}

.page-header .page-header-back {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;

    transform-origin: var(--wrapper-margin) 50%;
}

.page-header .page-header-back img {
    transform-origin: var(--wrapper-margin) 50%;
}

.page-header-back img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-header-back::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: linear-gradient(to right, #0008, #0000);
    z-index: 210;
}

.page-header .wrapper {
    position: relative;
    z-index: 220;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.page-title {
    font-size: calc(88 * var(--rpx));
    font-weight: 500;
    line-height: 1em;
    transform-origin: left center;
}

.page-title-pre {
    font-size: calc(24 * var(--rpx));
    font-weight: 500;
    margin-bottom: calc(16 * var(--rpx));
    transform-origin: left center;
}

#smooth-content::before {
    content: "";
    width: 100%;
    height: 0;
    display: flow-root;
}

.page-inner-nav-placeholder {
    height: var(--inner-nav-max);
    position: relative;
    font-size: 1rem;
    font-weight: normal;
    z-index: 200;
}

.page-inner-nav-placeholder:has(.page-inner-nav.fixed){
    z-index: 300;
}

.page-inner-nav {
    position: relative;
    width: 100%;
    will-change: transform;
    display: flex;
    justify-content: flex-start;
    height: var(--inner-nav-max);
    padding-left: 0;
    padding-right: 0;
    border-top: 2px solid #fff3;
    border-bottom: 2px solid transparent;
}

.page-inner-nav.fixed {
    justify-content: flex-start;
    height: var(--inner-nav-min);
    position: fixed;
    left: 0;

    background-color: var(--theme-back);
    color: #fff;

    padding-left: var(--wrapper-margin);
    z-index: 800;
}

.page-inner-nav .inner-nav-page-title {
    width: 0;
    overflow: hidden;
    font-weight: 500;
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    padding-right: calc(64 * var(--rpx));
    position: relative;
    white-space: nowrap;
    pointer-events: none;

    opacity: 0;
}

.page-inner-nav.fixed .inner-nav-page-title {
    pointer-events: all;
}

.page-inner-nav .inner-nav-page-title::after {
    content: "";
    position: absolute;
    right: calc(32 * var(--rpx));
    width: 1px;
    height: 1.6em;
    top: .25em;
    bottom: 0;
    margin: auto;
    background-color: #fff;
}

.page-inner-nav .inner-nav-link {
    font-weight: 400;
    flex: 0 0 auto;
    width: auto;
    padding-left: 1em;
    padding-right: 1em;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: .2s border, .2s color;
    position: relative;
    margin-top: -2px;
    margin-bottom: -2px;
    margin-right: calc(40 * var(--rpx-50));
}

.page-inner-nav.fixed .inner-nav-link {
}

.page-inner-nav .inner-nav-link .en {
    display: none;
}

.page-inner-nav .inner-nav-link.muted {
    display: none;
}

.page-inner-nav .inner-nav-link:hover {
    color: var(--theme-blue);
    border-top-color: var(--theme-blue);
}

.page-inner-nav:not(.fixed) .inner-nav-page-title + .inner-nav-link {
    margin-left: calc(-64 * var(--rpx));
}

.page-inner-nav .inner-nav-link.active {
    color: var(--theme-blue);
    font-weight: 500;
    border-top: 2px solid var(--theme-blue);
}

/* ===== 13. content sections ===== */
.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: calc(40 * var(--rpx));
}

.section-title .text {
    text-transform: uppercase;
    font-size: calc(58 * var(--rpx));
    line-height: calc(68em / 58);
}

.section-title.tiny,
.section-title.tiny .text {
    font-size: calc(28 * var(--rpx));
    line-height: 1em;
    font-weight: normal;
    text-transform: none;
}

.content strong, b {
    font-weight: bold;
}

.content h2 {
    font-weight: 500;
    font-size: calc(38 * var(--rpx));
    margin-bottom: 1em;
    margin-top: 1.5em;
}

.content h3 {
    font-weight: 500;
    font-size: calc(28 * var(--rpx));
}

.content * + p {
    margin-top: 1em;
}

/* ===== 14. utilities ===== */
.flex-box {
    display: flex;
    --gap: calc(48 * var(--rpx));
    --gap-x: var(--gap);
    --gap-y: var(--gap);
    --column: 3;
    --item-width: calc((100% - var(--gap-x) * (var(--column) - 1)) / var(--column));
    gap: var(--gap-y) var(--gap-x);
    flex-wrap: wrap;
    width: 100%;
}

.flex-box .list-item,
.flex-box .flex-item {
    width: var(--item-width);
    flex: 0 0 auto;
}

.flex-box .flex-item.fullwidth {
    width: 100%;
}

.page-margin-top {
    margin-top: var(--page-padding-top);
}

.page-pad-top {
    padding-top: var(--page-padding-top);
}

.editor-link-mockup {
    height: 1.3em;
    line-height: 1.3em;
    margin: 0;
    padding: 0 0.5em;
    background: white;
    color: #99ccff;
    position: absolute;
    right: 0;
    top: 0;
    visibility: hidden;
    z-index: 999;
    font-size: 1rem;
}

body.wfEditorMode .editor-link-mockup {
    visibility: visible;
}

/* ===== 15. forms ===== */
.search-ctn {
    font-size: calc(18rem / 16);
    background-color: rgba(255, 255, 255, .2);
    height: calc(60em / 18);
    border-radius: calc(30em / 18);
    position: relative;
    flex: 0 0 calc(870% / 16 - 10 * var(--rpx));
}

.search-ctn input {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
    background-color: transparent;
    font-size: 1em;
    padding-left: calc(24em / 18);
    padding-right: calc(160em / 18);
    border-radius: calc(30em / 18);
    outline: none;
    color: #fff;
}

.search-ctn input::placeholder {
    color: rgba(255, 255, 255, .7);
}

.search-ctn input:focus {
    background-color: #fff;
    color: #000;
}

.search-ctn button {
    position: absolute;
    --gap: calc(10 * var(--rpx-50));
    top: var(--gap);
    right: var(--gap);
    height: calc(100% - 2 * var(--gap));
    font-family: inherit;
    outline: none;
}

.search-ctn button::after {
    --glow-color: #BE1D2380;
}

.form-contact {
    width: 100%;
    font-size: 1rem;
    position: relative;
    transition: opacity 0.3s;
}

.form-contact.loading {
    opacity: 0.6;
    pointer-events: none;
}

.form-contact.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    z-index: 1000;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.form-error-message {
    margin-bottom: 1.5rem;
}

.form-error-message .errors {
    margin: 0;
    padding: 0;
    list-style: none;
    color: #e31019;
    font-size: calc(18rem / 16);
}

.form-error-message .errors li {
    padding: 0.25em 0;
}

.form-fields {
    display: flex;
    flex-wrap: wrap;
    gap: calc(10 * var(--rpx));
}

.form-field.col1 {
    width: 100%;
}

.form-field.col2 {
    width: calc((100% - 10 * var(--rpx)) / 2);
}

.form-field.col3 {
    width: calc((100% - 20 * var(--rpx)) / 3);
}

.form-field {
    position: relative;
    width: 100%;
}

.form-field.top-field {
    z-index: 240;
}

.form-field input[type=text],
.form-field textarea,
.form-field .dropdown-ctn {
    display: block;
    width: 100%;
    border: none;
    border-radius: calc(30em / 16);
    line-height: calc(30em / 16);
    padding: calc(9em / 16) calc(20em / 16);
    font-size: inherit;
    outline: none;
    color: #fff;

    background: rgba(255, 255, 255, .1);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
}

.form-field .dropdown-ctn::after {
    content: "";
    width: calc(12em / 16);
    height: calc(14em / 16);
    background: url("/themes/basic/skin/images/icon_arr_down.svg") center/contain no-repeat;
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    right: calc(24em / 16);
    pointer-events: none;
}

.form-field .dropdown-ctn:hover {
    background-color: rgba(255, 255, 255, .2);
}

.form-field .dropdown-ctn.active {
    background-color: #fff;
    color: #000;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.form-field .dropdown-ctn {
    padding-right: calc(48em / 16);
}

input[type=checkbox] {
    display: none;
}

.agreement-field {
    cursor: pointer;
    margin-top: calc(20 * var(--rpx));
}

.agreement-field a {
    color: var(--theme-green);
    text-decoration: underline;
}

.submit-field {
    margin-top: calc(40 * var(--rpx));
}

input[type=checkbox] + i.checkbox-tick {
    width: calc(24em / 16);
    height: calc(24em / 16);
    background: rgba(255, 255, 255, .1);
    display: inline-block;
    vertical-align: middle;
    margin-right: .1em;
    cursor: pointer;
    border-radius: 50%;
}

input[type=checkbox] + i.checkbox-tick:hover {
    background: rgba(255, 255, 255, .2);
}

input[type=checkbox]:checked + i.checkbox-tick {
    background: url("/themes/basic/skin/images/icon_tick.svg") center/50% auto no-repeat var(--theme-green);
}

.form-field textarea {
    min-height: 160px;
    resize: vertical;
}

.form-field input[type='text']:focus,
.form-field textarea:focus {
    outline: none;
    background-color: #fff;
    color: #000
}

.form-field input[type='text']::placeholder,
.form-field textarea::placeholder {
    color: #999;
}

.form-field.error input[type="text"],
.form-field.error textarea,
.form-field.error .dropdown-ctn {
    border-color: #e31019;
}

.verification-field {
    position: relative;
    gap: calc(10 * var(--rpx));
}

.verification-field .verification-captcha {
    position: absolute;
    left: 100%;
    top: 0;
    height: 100%;
    width: auto;
    border-radius: 0 calc(30em / 16) calc(30em / 16) 0;
    overflow: hidden;
    flex: 0 0 auto;
}

.verification-group {
    display: flex;
    gap: calc(20 * var(--rpx));
    align-items: flex-start;
}

.verification-input {
    flex: 1;
}

.form-field .verification-input input[type="text"] {
    border-radius: calc(30em / 16) 0 0 calc(30em / 16);
}

.verification-captcha {
    flex: 0 0 auto;
}

.verification-captcha img {
    height: 100%;
    width: auto;
    display: block;
    cursor: pointer;
}

.btn-submit {
    width: calc(240 * var(--rpx));
    font-weight: 500;
}

.errors {
    margin-bottom: 1.5rem;
    color: #e31019;
}

@keyframes postedIn {
    0% {
        opacity: 0;
        transform: scale(.5);
    }
    0% {
        opacity: 1;
        transform: scale(1);
    }
}

.posted {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    height: calc(540 * var(--rpx));
    animation: postedIn 1.2s cubic-bezier(0.15, 1, 0.336, 1) forwards;
}

.posted-tick {
    width: calc(80 * var(--rpx));
    height: calc(80 * var(--rpx));
    border-radius: 50%;
    background: url("/themes/basic/skin/images/icon_tick.svg") center/50% auto no-repeat var(--theme-red);
    margin-bottom: calc(30 * var(--rpx));
}

.posted-text {
    font-size: calc(18rem / 16);
}

input[type="radio"] {
    display: none;
}

.radio-list {
    display: flex;
    flex-wrap: wrap;
    gap: calc(20 * var(--rpx));
}

.field-list label.radio-item {
    width: auto;
    display: flex;
    align-items: center;
    cursor: pointer;

    gap: calc(8 * var(--rpx));
}

/*input[type="radio"] + i.radio-mock {
    width: calc(26em / 18);
    height: calc(26em / 18);
    border-radius: 50%;
    flex: 0 0 auto;
    border: 1px solid rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.05);
}

input:checked[type="radio"] + i.radio-mock {
    border: none;
    background: url("/themes/basic/skin/images/icon_radio_check.svg") center/contain no-repeat;
}*/

/* ===== 16. other (dropdown, scroll-hint, etc.) ===== */
.dropdown-ctn {
    position: relative;
    cursor: pointer;
}

.dropdown-current {
    min-height: calc(30em / 18);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    color: #fff;
    outline: none;
}

.dropdown-current:focus {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, .3);
}

.dropdown-ctn.active .dropdown-current {
    color: #000;
}

.dropdown-current .pre-fixed {
    padding-right: .75em;
    border-right: 1px solid rgba(255, 255, 255, 0.3);
    margin-right: .75em;
}

.dropdown-current .placeholder {
    color: rgba(255, 255, 255, .7);
}

.dropdown-ctn.active .dropdown-current .placeholder {
    color: rgba(0, 0, 0, .7);
}

.title-dropdown .selected {
    flex: 1 0 auto;
    text-align: center;
}

.dropdown-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    border-radius: 0 0 calc(30em / 16) calc(30em / 16);
    max-height: 200px;
    overflow-y: auto;
    z-index: 300;
    display: none;
    padding: calc(20em / 16) 0;
    background-color: #F6F6F6;
}

.dropdown-options::-webkit-scrollbar {
    width: 4px;
}

.dropdown-options::-webkit-scrollbar-thumb {
    border-radius: 2px;
    background: #0002;
}

.dropdown-options::-webkit-scrollbar-track {
    background: transparent;
}

.dropdown-ctn.active .dropdown-options {
    display: block;
}

.dropdown-option {
    padding: calc(8em / 18) calc(20em / 18);
    cursor: pointer;
    transition: color 0.2s;
    line-height: calc(24em / 16);
}

.dropdown-option:hover {
    color: var(--theme-red);
    background-color: rgba(0, 0, 0, 0.02);
}

.dropdown-option:last-of-type{
    border-bottom: none;
}

@keyframes scrollHintAngleMove {
    0% {
        opacity: 0;
        transform: translateY(calc(-9em / 16));
    }

    33% {
        opacity: 1;
        transform: translateY(calc(-3em / 16));
    }

    67% {
        opacity: 1;
        transform: translateY(calc(3em / 16));
    }

    100% {
        opacity: 0;
        transform: translateY(calc(9em / 16));
    }
}

.scroll-hint {
    display: flex;
    align-items: center;
    gap: calc(15em / 16);
    color: #fff;
    padding: .5em;
    cursor: pointer;
    transition: transform .3s;
    transform-origin: left center;
}

.scroll-hint:hover {
    transform: scale(1.1);
    transition: transform .8s cubic-bezier(0.15, 1, 0.336, 1);
}

.scroll-hint-mouse {
    width: calc(24em / 16);
    height: calc(35.86em / 16);
    border-radius: calc(12em / 16);
    background-color: #fff;
    position: relative;
}

.scroll-hint-mouse i {
    width: calc(8em / 16);
    height: calc(4em / 16);
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    background: url("../images/icon_angle_down.svg") center/contain no-repeat;
    animation: scrollHintAngleMove 1.5s linear infinite;
    opacity: 0;
}

.scroll-hint-mouse i:nth-of-type(2) {
    animation-delay: .5s;
}

.scroll-hint-mouse i:nth-of-type(3) {
    animation-delay: 1s;
}


.sec1-tab:hover .tab-progress {
    background-color: rgba(255, 255, 255, .6);
    box-shadow: 0 0 5px 5px rgba(255, 255, 255, .2);
    transition: .4s;
}

.tab-progress {
    display: block;
    width: 100%;
    height: calc(6 * var(--rpx-75));
    border-radius: calc(3 * var(--rpx-75));
    background-color: rgba(255, 255, 255, .3);
    position: relative;
    overflow: hidden;
    transition: .2s;
}

.tab-progress .progress-value {
    height: 100%;
    width: 0;
    background-color: var(--theme-green);
    transition: width 0.1s linear;
}