:root {
    --primary-font: 'Roboto';
    --max-screen-width: 100vw;
    --max-screen-height: 100vh;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body {
    margin: 0;
    font-family: var(--primary-font), sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: #333333;
    text-align: left;
    background-color: #ffffff;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    max-width: var(--max-screen-width, 100vw);
    overflow: hidden auto;
}

.codetext {
    font-family: Courier, Consolas, monospace;
    color: #555;
    font-size: 13px;
}

.section {
    display: block;
    width: 100%;
}

.section-head {
    background-color: #111827;
    background-image: url(../images/gradient-hero.svg);
    background-position: center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 50px 10px 0;
}

.section-head__middle-contents {
    margin-top: 80px;
    margin-bottom: 60px;
}

.partner-name,
.section__heading,
.section-head__description,
.section-head__heading {
    font-family: var(--primary-font), sans-serif;
    font-size: 44px;
    line-height: 1.2;
    font-weight: 500;
    color: #fff;
    display: block;
    margin: 0;
}

.section__heading b,
.section-head__heading b {
    background-color: transparent;
    color: #276ef1;
    background-image: linear-gradient(180deg, #FFFFFF00 80%, #FFFFFF12 0%);
    border-radius: 0;
    background-position: 100%;
    background-size: 200%;
    transition: background-position .75s cubic-bezier(.29, 1.11, .74, 1.04);
    transition-delay: .5s;
    background-repeat: no-repeat;
    display: inline-block;
}

.section-head__description {
    color: rgba(255, 255, 255, .8);
    font-size: 18px;
    font-weight: 400;
    margin: 20px 0 0;
    text-align: left;
    line-height: 1.6;
}

.section-head__download-options {
    gap: 25px;
    margin: 40px 0 0;
}

.section-head__btn-download {
    display: flex;
    height: auto;
    width: 260px;
    aspect-ratio: 260 / 70;
    border-radius: 12px;
    background-color: #0078D4;
    color: #ffffff;
    padding: 0;
    margin: 0;
    justify-content: center;
    align-items: center;
    border: none !important;
    outline: none !important;
    box-shadow: none;
    text-decoration: none;
    user-select: none;
    transition: all .2s ease;
    cursor: pointer;
}

.section-head__btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    background: #0056b3;
}

.section-head__btn-download__info {
    gap: 9px;
}

.section-head__btn-download__info svg {
    fill: currentColor;
    width: 44px;
    height: auto;
}

.section-head__btn-download__info__text__created-date,
.section-head__btn-download__info__text__os-name {
    font-family: var(--primary-font), sans-serif;
    font-size: 18px;
    line-height: 1.3;
    font-weight: 500;
    color: #fff;
    margin: 0;
}

.section-head__btn-download__info__text__created-date {
    color: #e0e0e0;
    font-weight: 400;
    text-align: left;
    font-size: 14px;
}

.section-head__download-options__item__backdrop-animation {
    position: absolute;
    inset: 0;
    z-index: 5;
    background-color: rgba(255, 255, 255, .2);
    border-radius: 10px;
    cursor: text;
}

.section-head__download-options__item__backdrop-animation .spinner {
    background-color: transparent;
    border: none;
    cursor: text;
}

.section-head .codetext {
    color: #ebebeb;
    font-size: 15px;
}

.section-head__bottom-contents {
    padding: 30px 0 30px;
    gap: 5px;
}

.section-fourth,
.section-seconds {
    background-color: #fff;
    background-image: linear-gradient(180deg, #FFFFFF 50%, #F0F5FE 100%);
    padding: 50px 0;
}

.section__heading {
    color: #111827;
    font-size: 30px;
    text-align: center;
    font-weight: 700;
}

.section__heading b {
    background-image: linear-gradient(180deg, #FFFFFF00 80%, #F0F5FE 0%);
}

.container {
    padding-left: 0;
    padding-right: 0;
}

.section__videos-grid {
    margin-top: 50px;
}

.section__videos-wrapper {
    display: block;
    width: 100%;
    aspect-ratio: 16/9;
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid #E5E7EB;
    background-color: #ffffff;
}

.section__videos-desc {
    color: #6b7280;
    text-align: center;
    font-family: var(--primary-font), sans-serif;
    font-size: 16px;
    line-height: 1.5;
    font-weight: 400;
    margin: 15px 0 30px;
    display: block;
}

.section-fourth,
.section-third {
    border-top: 1px solid #E5E7EB;
    display: block;
    background-color: #fff;
    padding: 50px 0;
}

.frequently-questions,
.user-manual-guide {
    margin-top: 50px;
    text-align: center;
}

.frequently-questions__list,
.user-manual-guide__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: inline-flex;
    text-align: left;
    width: min(100%, 860px);
    flex-direction: column;
    gap: 25px;
}

.frequently-questions__item__content__description,
.frequently-questions__item__heading,
.user-manual-guide__content__text,
.user-manual-guide__heading {
    display: block;
    margin: 0;
    font-family: var(--primary-font), sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: #333;
    line-height: 1.5;
}

.user-manual-guide__content {
    margin: 5px 0 0;
    padding: 0;
}

.user-manual-guide__content__text {
    color: #555555;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.4;
}

.frequently-questions__list {
    gap: 20px;
}

.frequently-questions__list li {
    /*padding: 20px 0;*/
    border-bottom: 1px solid #dedede;
}

/*.frequently-questions__list li:not(:last-child) {*/
/*    border-bottom: 1px solid #E5E7EB;*/
/*}*/

.frequently-questions__item__button {
    padding: 0;
    margin: 0;
    outline: none !important;
    border: none !important;
    box-shadow: none !important;
    width: 100%;
    text-align: left;
    display: flex;
}

.frequently-questions__item__content {
    display: none;
}

.frequently-questions__item__content__description {
    font-weight: 400;
    font-size: 14px;
    /*color: #666666;*/
    line-height: 1.5;
    word-break: break-word;
    padding: 10px 15px;
    white-space: pre-line;
    border: 1px solid #dedede;
    background-color: #fafbfc;
    /*margin: 10px 0 0;*/
    border-bottom: 0;
    font-family: Monaco, Menlo, Consolas, "Courier New", monospace;
    color: #333333;
}

.frequently-questions__item__heading {
    font-size: 18px;
    font-weight: 700;
    max-width: calc(100% - 20px);
}

.frequently-questions__item__button {
    margin-bottom: 15px;
}

.frequently-questions__item__button svg {
    width: 13px;
    height: 13px;
    margin: 7px 0 0 auto;
    transition: transform .3s ease;
}

.frequently-questions__item__button.show svg {
    transform: rotate(180deg);
}

.partner-logo {
    width: 80px;
    height: auto;
}

.partner-name {
    font-size: 20px;
    margin: 20px 0 0;
}

.ictu-download-for-platform {
    padding: 5px 10px 5px 30px;
    background-color: #f3f6f6;
    color: #404040;
    /*box-shadow: 0px 1px 2px -1px rgba(255, 255, 255, 0.5) inset, 0px -2px 0px 0px rgba(0, 0, 0, 0.1) inset;*/
    -webkit-user-drag: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-transition: all 0.1s linear;
    -moz-transition: all 0.1s linear;
    transition: all 0.1s linear;
    transform: translateY(0);
}


.ictu-download-for-platform:hover {
    background-color: #e5ebeb;
    color: #404040;
}

.ictu-download-for-platform:active {
    transform: translateY(1px);
}

.ictu-download-for-platform::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    left: 0;
    width: 30px;
    height: 16px;
    text-align: center;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' x='0px' y='0px' viewBox='0 0 512 512' fill='%230078D4'%3E%3Cg%3E%3Cg%3E%3Cpolygon points='0,80 0,240 224,240 224,52'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpolygon points='256,48 256,240 512,240 512,16'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpolygon points='256,272 256,464 512,496 512,272'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpolygon points='0,272 0,432 224,460 224,272'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
}

.ictu-macos-platform-icon::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' x='0px' y='0px' viewBox='0 0 512.003 512.003' fill='%23555555'%3E%3Cg%3E%3Cg%3E%3Cpath d='M351.98,0c-27.296,1.888-59.2,19.36-77.792,42.112c-16.96,20.64-30.912,51.296-25.472,81.088 c29.824,0.928,60.64-16.96,78.496-40.096C343.916,61.568,356.556,31.104,351.98,0z'%3E%3C/path%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpath d='M459.852,171.776c-26.208-32.864-63.04-51.936-97.824-51.936c-45.92,0-65.344,21.984-97.248,21.984 c-32.896,0-57.888-21.92-97.6-21.92c-39.008,0-80.544,23.84-106.88,64.608c-37.024,57.408-30.688,165.344,29.312,257.28 c21.472,32.896,50.144,69.888,87.648,70.208c33.376,0.32,42.784-21.408,88-21.632c45.216-0.256,53.792,21.92,87.104,21.568 c37.536-0.288,67.776-41.28,89.248-74.176c15.392-23.584,21.12-35.456,33.056-62.08 C387.852,342.624,373.932,219.168,459.852,171.776z'%3E%3C/path%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/*.ictu-window-platform-icon:hover::before {*/
/*    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' x='0px' y='0px' viewBox='0 0 512 512' fill='%23FFFFFF'%3E%3Cg%3E%3Cg%3E%3Cpolygon points='0,80 0,240 224,240 224,52'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpolygon points='256,48 256,240 512,240 512,16'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpolygon points='256,272 256,464 512,496 512,272'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpolygon points='0,272 0,432 224,460 224,272'%3E%3C/polygon%3E%3C/g%3E%3C/g%3E%3C/svg%3E");*/
/*}*/

/*.ictu-macos-platform-icon:hover::before {*/
/*    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' x='0px' y='0px' viewBox='0 0 512.003 512.003' fill='%23FFFFFF'%3E%3Cg%3E%3Cg%3E%3Cpath d='M351.98,0c-27.296,1.888-59.2,19.36-77.792,42.112c-16.96,20.64-30.912,51.296-25.472,81.088 c29.824,0.928,60.64-16.96,78.496-40.096C343.916,61.568,356.556,31.104,351.98,0z'%3E%3C/path%3E%3C/g%3E%3C/g%3E%3Cg%3E%3Cg%3E%3Cpath d='M459.852,171.776c-26.208-32.864-63.04-51.936-97.824-51.936c-45.92,0-65.344,21.984-97.248,21.984 c-32.896,0-57.888-21.92-97.6-21.92c-39.008,0-80.544,23.84-106.88,64.608c-37.024,57.408-30.688,165.344,29.312,257.28 c21.472,32.896,50.144,69.888,87.648,70.208c33.376,0.32,42.784-21.408,88-21.632c45.216-0.256,53.792,21.92,87.104,21.568 c37.536-0.288,67.776-41.28,89.248-74.176c15.392-23.584,21.12-35.456,33.056-62.08 C387.852,342.624,373.932,219.168,459.852,171.776z'%3E%3C/path%3E%3C/g%3E%3C/g%3E%3C/svg%3E");*/
/*}*/

.context-menu-separator {
    padding: 0;
}

.context-menu-list.context-menu-root {
    padding: 5px;
    margin: 4px;
    background: #fff;
    border: none;
    border-radius: 2px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, .5);
    display: flex;
    justify-content: space-between;
    min-width: 197px;
}

@media (max-width: 1024px) {
    .section-head__heading {
        font-size: 34px;
    }

    .section-head__bottom-contents {
        gap: 10px;
    }
}

@media (max-width: 767px) {

    .user-manual-guide__heading,
    .frequently-questions__item__heading {
        font-size: 15px;
    }

    .frequently-questions__item__content__description,
    .user-manual-guide__content__text,
    .partner-name {
        font-size: 14px;
    }

    .section__heading,
    .section-head__heading {
        font-size: 20px;
        line-height: 1.5;
    }

    .section-head__description {
        font-size: 15px;
    }

    .section-head__middle-contents {
        margin-top: 50px;
        margin-bottom: 50px;
    }
}

@media (max-width: 575px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
}