body {
    font-family:
            -apple-system,
            BlinkMacSystemFont,
            "PingFang SC",
            "Hiragino Sans GB",
            "Microsoft YaHei",
            "Noto Sans CJK SC",
            sans-serif;
}
.mobile{
        font-size: 16rem;
}
.mask-gradient {
        mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
        -webkit-mask-image: -webkit-linear-gradient(to bottom, black 60%, transparent 100%);
}
.nav_item.active{
        color: #ffffff;
        font-weight: bold;
}
@media screen and (max-width: 1024px) {
        body, html {
                min-width: 1024px;
        }
}