html {
    font-size: 62.5%; /* 1rem = 10px，简化计算 */
}

body {
    height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.cloud_wrap {
    background: url('/static/image/cloud_index_bg.png') #000000 no-repeat fixed;
    background-size: cover;
}

.cloud_wrap .head {
    width: 100%;
    height: 5.36vw; /* 103 / 1920 * 100 */
    background: url('/static/image/cloud_index_head.png') no-repeat center center;
    background-size: cover;
    margin-bottom: 1.56vw; /* 30 / 1920 * 100 */
}

.cloud_wrap .section {
    display: flex;
    box-sizing: border-box;
    width: 100%;
    max-width: 1920px;
    height: 80vh;
    padding: 0 0.73vw; /* 14 / 1920 * 100 */
}

.cloud_wrap .section .s_left,
.cloud_wrap .section .s_right {
    width: 26.56vw; /* 510 / 1920 * 100 */
    height: 80vh;
    display: flex;
    flex-direction: column;
    margin: auto 0;
}

.cloud_wrap .section .s_left {
    background: url('/static/image/cloud_index_left_bg.png') no-repeat center;
    background-size: cover;
}

.cloud_wrap .section .s_content {
    width: 45.1vw; /* 866 / 1920 * 100 */
    height: 80vh;
    background: url('/static/image/cloud_index_right_ball.png') no-repeat center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cloud_wrap .section .s_content .logo {
    width: 13.02vw; /* 250 / 1920 * 100 */
    height: 13.02vw;
    background: url('/static/image/cloud_index_logo.png') no-repeat center;
    background-size: cover;
}

.cloud_wrap .section .s_right {
    background: url('/static/image/cloud_index_right_bg.png') no-repeat center;
    background-size: cover;
}

.cloud_wrap .section .cloud_item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    flex: 1;
    cursor: pointer;
    padding: 1rem;
    box-sizing: border-box;
}

.cloud_wrap .section .cloud_item:hover img.active {
    display: inline-block;
}

.cloud_wrap .section .cloud_item:hover img.txt_r,
.cloud_wrap .section .cloud_item:hover img.icon_r {
    display: none;
}

.cloud_wrap .section .cloud_item .txt {
    width: 15.10vw; /* 223 / 1920 * 100 */
}

.cloud_wrap .section .cloud_item .icon {
    width: 6.77vw; /* 100 / 1920 * 100 */
}

.cloud_wrap .section .cloud_item .active {
    display: none;
}

.cloud_wrap .footer_content {
    text-align: center;
    color: #C2C5CA;
    font-size: 2rem;
    padding: 3rem;
    height: 2vh;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .cloud_wrap .head {
        height: 10vw;
        background-size: contain;
    }

    .cloud_wrap .section {
        flex-direction: column;
        padding: 0 2vw;
    }

    .cloud_wrap .section .s_left,
    .cloud_wrap .section .s_right,
    .cloud_wrap .section .s_content {
        width: 100%;
        height: auto;
    }

    .cloud_wrap .section .s_content .logo {
        width: 30vw;
        height: 30vw;
    }

    .cloud_wrap .section .cloud_item .txt {
        width: 25vw;
    }

    .cloud_wrap .section .cloud_item .icon {
        width: 12vw;
    }
}

@font-face {
    font-family: "QTypeCond Book";
    src: url("/static/ttf/QTypeCond-Medium.pfb.ttf");
}

._container {
    background-size: cover;
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: 100vh;
    overflow: hidden;
    min-width: 7.5rem;
}

._container .head {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-family: "QTypeCond Book";
    color: #FFFFFF;
    box-sizing: border-box;
    font-weight: bold;
    background-size: 100% 100% !important;
}

._container footer {
    position: relative;
}

._container footer img {
    width: 100%;
    height: 100%;
}

._container footer .footer_content {
    position: absolute;
    width: 100%;
    text-align: center;
    font-family: Arial, serif;
    font-size: 12px;
}