* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    /* font-family: 'microsoft yahei'; */
}

ul li {
    list-style: none;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

img {
    vertical-align: top;
    outline-width: 0ch;
}

.ml_mb_nav i {
    position: relative;
}

.ml_mb_nav i::after {
    content: '';
    position: absolute;
    width: 1px;
    height: 100%;
    left: -11px;
    background-color: var(--main-color);
    top: 0px;
}