@font-face {
    font-family: "Outfit";
    src: url(../font/Outfit-VariableFont_wght.ttf);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Outfit";
}

img {
    width: 100%;
    object-fit: cover;
    display: block;
}

video {
    object-fit: cover;
}

a {
    text-decoration: none;
}

b,
strong {
    font-weight: 400
}

em,
i {
    font-style: normal;
}

li {
    list-style: none;
}

input {
    border: 0;
    outline: 0;
}

button {
    outline: 0;
    border: 0;
    background-color: transparent;
    cursor: pointer;
}

.img-box {
    position: relative;
}

.img-box::before {
    content: '';
    display: block;
}

.img-box>img {
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: rgb(241, 241, 241);
}

main {
    flex: 1;
    margin: 0 auto;
}

:root {
    --logo: 200px;
    --width: 1340px;
    --searchBar: 280px;
    --button: 36px;
}

.center {
    width: var(--width);
    margin: 0 auto;
}

/* pe显示 */
@media screen and (max-width:749px) {
    body {
        max-width: 100%;
    }

    :root {
        --width: 100%;
        --searchBar: 100%;
    }

    footer .about {
        font-size: 10px;
    }
}