body {
    background: #1c1c22;
    user-select: none;
}
ul {
    list-style: none;
    cursor: pointer;
}
a,span {
    color: #fff;
}
.menu h3 {
    padding: 20px;
    position: relative;
    margin-bottom: -20px;
}
.menu > ul {
    padding: 0 16px;
}
.menu > ul > li {
    padding: 20px 0;
    border-top: 2px solid #37383D;
}
.menu > ul > li:first-child {
    border-top: none;
}
.sub_menu {
    position: relative;
    margin: 0 20px;
    line-height: 40px;
    color: #fff;
    border-radius: 24px;
    font-size: 15px;
}
.sub_menu.active {
    background: #047BFB;
}
.sub_menu > img {
    margin-bottom: -4px;
}
.sub_menu > img:first-child {
    margin-left: 12px;
    margin-right: 6px;
}
.sub_menu > a {
    width: 80px;
    align-items: center;
}
.menu > ul > li > ul > li {
    margin-top: 20px;
}
.back_home {
    position: fixed;
    bottom: 46px;
    width: 80%;
    left: 50%;
    transform: translateX(-50%);
    line-height: 40px;
    text-align: center;
    color: #fff;
    background-color: #047BFB;
    border-radius: 24px;
    cursor: pointer;
}
.beian {
    position: fixed;
    bottom: 16px;
    width: 80%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
}
.imag_2 {
    float: right;
    margin-top: 10px;
    margin-right: 10px;
}