* {
        box-sizing: border-box;
    }

    body {
        margin: 0;
    }

    * {
        box-sizing: border-box;
    }

    body {
        margin-top: 0px;
        margin-right: 0px;
        margin-bottom: 0px;
        margin-left: 0px;
        font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Roboto, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei", "Microsoft Jhenghei", sans-serif;
    }

    .logo path {
        pointer-events: none;
        fill: none;
        stroke-linecap: round;
        stroke-width: 7;
        stroke: rgb(255, 255, 255);
    }

    .wechat-group img {
        max-width: 220px;
        height: auto;
        border-top-left-radius: 8px;
        border-top-right-radius: 8px;
        border-bottom-right-radius: 8px;
        border-bottom-left-radius: 8px;
        margin-top: 0px;
        margin-right: auto;
        margin-bottom: 0px;
        margin-left: auto;
        width: 100%;
    }

    .welcome-img img {
        width: 100%;
    }

    .c19048 {
        display: none;
    }

    .c19064 {
        height: 100vh;
        padding-top: 60px;
    }

    .c19039 {
        background: url('../img/4.jpg')no-repeat right center;
    }