:root, [data-bs-theme=light] {
    --bs-warning-rgb: 254, 107, 3;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

.about-title {
    position: relative;
}

    .about-title:after {
        position: absolute;
        bottom: 0;
        left: 0;
        content: "企业简介";
        opacity: 25%;
        font-size: 4rem !important;
    }

.menu {
    display: flex;
    gap: 4em;
}
.menu-item {
    padding: 1em;
    border-radius: 1em;
}
.menu-item:hover {
    border: 1px solid rgba(var(--bs-warning-rgb));
    background-color:rgba(0,0,0,0.2);
}

.menu-item  em {
    font-size: 70%;
    font-style: normal;
}