#ppt-play-container {
    display: none;
    justify-content: center;
    align-items: center;
}

.one-ppt {
    background-image: url(https://icivetmedia.foxconn.com/group1/M00/0D/3C/oYYBAGgkBBeEI2UcAAAAAOjmrOY502.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    width: 100%;
    position: relative;
    overflow: hidden;
}
    /* 16:9 宽高比计算：9 / 16 = 0.5625 → 56.25% */
    .one-ppt::before {
        content: "";
        display: block;
        padding-top: 56.25%; /* 控制宽高比 */
    }

    .one-ppt .ppt-c {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: start;
        justify-content: flex-start;
        flex-wrap: wrap;
        color: white;
        font-family: 'Microsoft YaHei', SimHei;
        text-align: left;
    }

        .one-ppt .ppt-c h2 {
            font-size: 4em;
            width: 100%;
            margin: 2% 4% 0.2% 4%;
            font-weight: 700;
        }

        .one-ppt .ppt-c h3 {
            font-size: 3em;
            font-weight: 500;
            color: #FF0;
        }

        .one-ppt .ppt-c .ppt-m {
            display: block;
            margin: 0 4%;
            width: 100%;
            height: 46em;
        }

    .one-ppt .ppt-ten {
        background-image: url("https://icivetmedia.foxconn.com/group1/M00/0D/3F/oYYBAGgkC7iEIYwDAAAAAGIeTGc130.png");
        background-repeat: no-repeat;
        background-size: 70%;
        background-position: center center;
    }

    .one-ppt .ppt-p4 {
        display: flex;
        align-items: start;
        justify-content: space-between;
        flex-wrap: wrap;
        align-content: space-around;
        height: 46em;
        margin-top: 0.5em;
    }

        .one-ppt .ppt-p4 .ppt-p4c {
            width: 45em;
            height: 21em;
            position: relative;
        }

            .one-ppt .ppt-p4 .ppt-p4c img {
                width: 90%;
                margin: 0 auto;
                display: block;
            }

    .one-ppt ul li {
        list-style-type: disc;
    }

    .one-ppt p, .one-ppt li {
        font-size: 1.5em;
    }

        .one-ppt li li {
            font-size: 1em;
        }

    .one-ppt ul, .one-ppt ol, .one-ppt ul li, .one-ppt ol li {
        line-height: inherit;
    }

    .one-ppt li {
        margin-top: 0.5em;
    }


    .one-ppt ul, .one-ppt ol {
        display: block;
        margin-block-start: 1em;
        margin-block-end: 1em;
        padding-inline-start: 3em;
        unicode-bidi: isolate;
    }

    .one-ppt .li-1 li {
        line-height: 200%;
    }


    .one-ppt .li-15 li {
        line-height: 160%;
    }

    .one-ppt .li-2 li {
        line-height: 140%;
    }

ul.ul-flex-2w {
    display: flex;
    flex-wrap: wrap;
}

    ul.ul-flex-2w li {
        width: 45%;
    }

.ppt-p4c-img {
    background-size: 30% auto;
    background-position: 90% 80%;
    background-repeat: no-repeat;
}

.ppt-btn-box {
    position: absolute;
    left: 0;
    bottom: 1em;
    width: 20em;
    height: 2.5em;
    padding-left: 3em;
    box-sizing: border-box;
}

.fullscreen-btn {
    width: 2.5em;
    height: 2.5em;
    display: inline-block;
    background-image: url("../images/fullscreen.svg");
    background-size: contain;
    background-repeat: no-repeat;
}

.fullscreen-quit-btn {
    background-image: url("../images/FullScreenQuit.svg");
}

.page-btn{
    display: none;
}

#ppt-play-container .page-btn {
    width: 3em;
    height: 3em;
    display: inline-block;
    margin: 0 0.5em;
    background-image: url(about:blank);
    background-size: contain;
    background-position: 0 0.3em;
    background-repeat: no-repeat;
}

#ppt-play-container .page-btn-pre {
    background-image: url("../images/PagePre.svg");
}
#ppt-play-container .page-btn-next {
    background-image: url("../images/PageNext.svg");
}

/** 2025/05/30 完善 */

.one-ppt .ppt-c .ppt-first {
    text-align: center;
    padding-top: 19em;
    width: 100%;
    position: relative;
    overflow:hidden;
}

    .one-ppt .ppt-c .ppt-first h2 {
        margin: 0;
    }

    .one-ppt .ppt-c .ppt-first h3 {
        color: #FFF;
        font-weight: 600;
        line-height: 200%;
    }

    .one-ppt .ppt-c .ppt-first::before {
        content: " ";
        width: 100%;
        height: 17em;
        background-image: linear-gradient( to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, 0.1) 100% );
        border-bottom: rgba(255, 255, 255, 0.08) solid 0.12em;
        position: absolute;
        top: 0;
        left: 0;
        border-radius: 0 0 100% 100%;
    }

.one-ppt .ppt-c .ppt-first p{
    width: 65%;
    margin: 0 auto;
    border-top: 0.1em solid #EEE;
    padding-top: 1.5em;
    text-align: right;
    color: rgba(255, 255, 255, 0.8);
    line-height: 150%;
}

.one-ppt .ppt-c .catalog-main li {
    font-size: 2em;
}

    .one-ppt .ppt-c .catalog-main li.no-disc {
        list-style-type: none;
        margin-left: -1.5em;
    }


.one-ppt .other-link{
    margin-top: 6em;
}

.one-ppt .other-link h3{
    font-size: 2.5em;
}

    .one-ppt .other-link a:link, .one-ppt .other-link a:visited {
        font-size: 2em;
        display: block;
        color: #FFF;
        width: 15em;
        line-height: 200%;
        margin: 1em auto;
        background-color: rgba(255, 255, 0, 0.2);
        border-radius: 0.3em;
        border: 0.1em solid #FFF;
    }
    .one-ppt .other-link a:hover {
        background-color: rgba(255, 255, 0, 0);
    }