#app {
    width: 100%;
    height: calc(100vh - 5em);
    font-size: calc(1rem * var(--baseFontSizeBL));
    --baseFontSizeBL: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
    color: var(--el-text-color-primary);
    overflow: hidden;
    overflow-y: auto;
}

.main {
    display: flex;
    box-sizing: border-box;
    width: 100vw;
    min-height: 100vh;
    height: calc(100vh - 5em);
    background: #ffffff;
    flex-direction: row;
    align-items: center;
    padding: 0 10vw;
    justify-content: center;
}

.main1,
.main3,
.main2 {
    box-sizing: border-box;
    width: 100vw;
    background: #ffffff;
    padding: 9em 10vw;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main3>img {
    height: 19vw;
    margin: 6em;
}

.main_left {
    display: flex;
    flex-direction: column;
    width: 35vw;
    height: 35vw;
    justify-content: center;
}

.main h1 {
    font-size: 6.5em;
    margin: 0;
}

.main2 h2 {
    font-size: 5em;
    margin: 0;
    margin-bottom: 1em;
}

.main1>h2 {
    margin-bottom: 1em;
    font-size: 5em;
}

.main3 h2 {
    font-size: 9em;
    margin: 0;
}

.main3 p {
    font-size: 3em;
    color: var(--el-text-color-regular);
}

.main p {
    font-size: 3em;
    margin: 2em 0;
    color: var(--el-text-color-regular);
    line-height: 1.5;
}

.main img {
    width: 35vw;
    height: 35vw;
}

.btns {
    font-size: 3em;
    display: flex;
    margin-top: 1em;
    color: var(--primaryColor);
    align-items: center;
}

.download {
    color: #fff;
    background: var(--primaryColor);
    padding: 0.5em 1.5em;
    border-radius: 2em;
    margin-right: 1em;
    cursor: pointer;
}

.tryOnline {
    cursor: pointer;
    display: flex;
    align-items: center;
}

.tryOnline svg {
    width: 1em;
    height: 1em;
    margin-top: 0.25em;
}

.tryOnline svg path {
    fill: var(--el-color-primary);
}

.tryOnline:hover {
    text-decoration: underline;
}

.main2_items {
    width: calc(65vw + 20em);
    display: grid;
    grid-template-columns: 50% 50%;
    justify-items: center;
}

.main2_item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-size: 2.5em;
    width: 22em;
    margin: 2em 0;
}

.main2_item_title {
    display: flex;
    align-items: center;
    margin-bottom: 0.5em;
}

.main2_item_title>div {
    background: var(--primaryColor);
    box-sizing: border-box;
    padding: 0.8em;
    border-radius: 10em;
    width: 3em;
    height: 3em;
    margin-right: 1em;
}

.main2_item svg {
    width: 100%;
    height: 100%;
}

.main2_item svg path {
    fill: #fff;
}

.main2_item h3 {
    text-align: center;
}

.main2_item p {
    margin: 0;
}

.main1_items {
    width: 65vw;
}

.main1_items_left {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1.5em 0 0;
}

.main1_item {
    margin: 0 0.5em;
    font-size: 1.6em;
    border: 1px solid;
    padding: 0.5em 2em;
    border-radius: 10em;
    cursor: pointer;
    font-weight: 700;
    white-space: nowrap;
    box-sizing: border-box;
}

.main1_items_right {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main1_items_right a {
    color: var(--primaryColor);
}

.main1_items_right a:hover {
    text-decoration: underline;
}

.main1_items_right span {
    font-size: 2.05em;
    margin: 1.5em;
}

.main1_items_right .btns {
    font-size: 0.8em;
    margin: 0;
    margin-left: 1.5em;
}

.main1_items_right>video {
    width: 100%;
    border-radius: 1.5em;
    box-shadow: 0 0 40px #cbcbcb;
}

.main1_items span,
.main1_items video {
    display: none;
}

.main1_items[data-type="ITM"] span[data-type="ITM"],
.main1_items[data-type="ITM"] video[data-type="ITM"],
.main1_items[data-type="TTM"] span[data-type="TTM"],
.main1_items[data-type="TTM"] video[data-type="TTM"],
.main1_items[data-type="MTM"] span[data-type="MTM"],
.main1_items[data-type="MTM"] video[data-type="MTM"],
.main1_items[data-type="ITI"] span[data-type="ITI"],
.main1_items[data-type="ITI"] video[data-type="ITI"],
.main1_items[data-type="VM"] span[data-type="VM"],
.main1_items[data-type="VM"] video[data-type="VM"],
.main1_items[data-type="VI"] span[data-type="VI"],
.main1_items[data-type="VI"] video[data-type="VI"],
.main1_items[data-type="VV"] span[data-type="VV"],
.main1_items[data-type="VV"] video[data-type="VV"] {
    display: flex;
    align-items: center;
}

.main1_items[data-type="ITM"] .main1_item[data-type="ITM"],
.main1_items[data-type="TTM"] .main1_item[data-type="TTM"],
.main1_items[data-type="MTM"] .main1_item[data-type="MTM"],
.main1_items[data-type="ITI"] .main1_item[data-type="ITI"],
.main1_items[data-type="VI"] .main1_item[data-type="VI"],
.main1_items[data-type="VV"] .main1_item[data-type="VV"],
.main1_items[data-type="VM"] .main1_item[data-type="VM"] {
    background: var(--el-color-primary);
    color: #fff;
    border-color: var(--el-color-primary);
}

.page_footer_item {
    margin-right: 5em !important;
}

@media screen and (max-width: 900px) {
    #app {
        font-size: 12px !important;
    }

    .main {
        display: flex;
        flex-direction: column;
        padding: 0 5vw;
        justify-content: flex-start;
        margin-top: 5em;
        height: fit-content;
        min-height: unset;
        margin-bottom: 10em;
        text-align: center;
    }

    .main_left {
        width: 100%;
        height: fit-content;
        gap: 2em;
    }

    .main_left h1 {
        font-size: 3em;
    }

    .main_left p {
        font-size: 1.5em;
        margin: 0;
    }

    .main_left .btns {
        font-size: 1.5em;
        justify-content: center;
    }

    .main img {
        width: 100%;
        height: unset;
    }

    .main1,
    .main3,
    .main2 {
        padding: 0 5vw;
        margin-bottom: 10em;
    }

    .main3 h2,
    .main2 h2,
    .main1>h2 {
        font-size: 2em;
        text-align: center;
    }

    .main1_items {
        width: 90vw;
    }

    .main1_items_right>video {
        border-radius: 1em;
    }

    .main1_items_left {
        row-gap: 1em;
        display: grid;
        grid-template-columns: repeat(2, calc(50% - 0.5em));
        justify-content: space-between;
    }

    .main1_item {
        font-size: 1em;
        border-radius: 0.25em;
        width: 100%;
        margin: 0;
    }

    .main1_items_right span {
        font-size: 1.5em;
        flex-direction: column;
        margin: 1.5em 0;
        gap: 1em;
        text-align: center;
    }

    .main1_items_right .btns {
        margin-left: 0;
    }

    .main2_items {
        width: 90vw;
        display: flex;
        flex-direction: column;
        gap: 3em;
    }

    .main2_item {
        width: 100%;
        font-size: 1.5em;
        text-align: center;
        box-shadow: 0 0 10px var(--el-border-color-darker);
        box-sizing: border-box;
        padding: 2em 1em;
        border-radius: 0.5em;
        margin: 0;
    }

    .main2_item_title {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .main2_item_title>div {
        margin: 0;
    }

    .main3 p {
        font-size: 1.5em;
        text-align: center;
    }

    .main3 .btns {
        font-size: 1.5em !important;
    }

    .main3>img {
        margin: 3em 0 0;
        height: fit-content;
        width: 100%;
    }
}