html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    font-size: 100%;
    vertical-align: baseline;
}

html {
    line-height: 1;
}

ol, ul {
    list-style: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

caption, th, td {
    text-align: left;
    font-weight: normal;
    vertical-align: middle;
}

q, blockquote {
    quotes: none;
}

    q:before, q:after, blockquote:before, blockquote:after {
        content: "";
        content: none;
    }

a img {
    border: none;
}

article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
    display: block;
}

img {
    display: block;
    width: 100%;
    height: auto;
}

* {
    box-sizing: border-box;
}

body {
    background-color: #ffd525;
}

#wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    max-width: 768px;
    margin: 0 auto;
}

header {
    position: fixed;
    left: 50%;
    bottom: 0;
    width: 100%;
    max-width: 768px;
    z-index: 99;
    -ms-transform: translate(-50%, 0%);
    -webkit-transform: translate(-50%, 0%);
    transform: translate(-50%, 0%);
    transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    transition: transform 0.5s, -webkit-transform 0.5s;
}

    header ul {
        display: -webkit-flex;
        display: -ms-flexbox;
        display: flex;
        padding: 10px 0;
        overflow: hidden;
        background: rgba(238, 102, 27, 0.9);
        border-radius: 10px;
    }

        header ul li {
            -webkit-flex: 1;
            -ms-flex: 1;
            flex: 1;
            cursor: pointer;
            border-right: 2px solid #fff;
        }

            header ul li:last-of-type {
                border-right: none;
            }

#sub {
    position: fixed;
    width: 25%;
    max-width: 151px;
    right: 0;
    bottom: 0;
    z-index: 99;
    -ms-transform: translate(0%, -40%);
    -webkit-transform: translate(0%, -40%);
    transform: translate(0%, -40%);
    transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    transition: transform 0.5s, -webkit-transform 0.5s;
}

    #sub.on {
        -ms-transform: translate(100%, -40%);
        -webkit-transform: translate(100%, -40%);
        transform: translate(100%, -40%);
    }

    #sub ul {
        position: relative;
        width: 50%;
        left: 15%;
        margin: 0 auto;
    }

        #sub ul li {
            display: block;
            margin-bottom: 8%;
        }

            #sub ul li:last-of-type {
                margin-bottom: 0;
            }

    #sub .logo {
        width: 100%;
        display: block;
        margin: 0 auto;
    }

#logo {
    position: absolute;
    width: 16%;
    top: 0;
    right: 3%;
    margin-top: 2.5%;
}

#vdo {
    position: relative;
    display: block;
    width: 100%;
}

    #vdo:before {
        display: block;
        height: 0;
        content: "";
        padding-top: 56.25%;
    }

    #vdo iframe {
        position: absolute;
        display: block;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
    }
/** ¥H¤U2022/5/24 Dora¥[¤W **/
.sr-only {
    border: 0 !important;
    clip: rect(1px, 1px, 1px, 1px) !important; /* 1 */
    -webkit-clip-path: inset(50%) !important;
    clip-path: inset(50%) !important; /* 2 */
    height: 1px !important;
    margin: -1px !important;
    overflow: hidden !important;
    padding: 0 !important;
    position: absolute !important;
    width: 1px !important;
    white-space: nowrap !important;
}