.bg {
    background: #00000088;
    width: 100%;
    height: 100vh;
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 998;
}

@media screen and (min-width: 900px) {
    #nav_botton {
        display: none;
    }
}

body {
    margin: 0;
    padding: 0;
    border: 0;
}

#nav_botton {
    width: 30px;
    height: 30px;
    border: 1px solid;
    text-align: center;
    right: 20px;
    font-size: 18px;
    font-weight: bold;
    line-height: 30px;
    position: fixed;
    top: 15px;
    z-index: 999;
    background: #fff;
}

a {
    text-decoration: none;
}

li {
    list-style-type: none;
}

#menu_list {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    background: #fff;
    display: none;
    z-index: 9999;
}

#menu_list ul {
    padding: 0;
    overflow: hidden;
}

#menu_list ul li {
    /* margin-bottom: 20px; */
    position: relative;
    overflow: hidden;
}

#menu_list ul li a {
    border-top: 1px solid #aaa;
    padding: 10px 60px;
    font-size: 18px;
    display: inline-block;
}

#menu_list ul li span {
    font-weight: bold;
    font-size: 18px;
    position: absolute;
    padding: 10px 20px 10px 0;
}

#exit {
    width: 100%;
    overflow: hidden;
    margin-bottom: 20px;
}

#exit div {
    float: left;
    font-size: 22px;
    color: #ff9012;
    margin-left: 10px;
    margin-top: 8px;
}

#exit .dh1 {
    color: aquamarine;
}

#exit span {
    font-size: 35px;
    font-weight: bold;
    float: right;
    margin-right: 20px;
}

#nav {
    overflow: hidden;
}

.menu_list2 {
    display: none;
    font-size: 18px;
}

.menu_list2 p a {
    color: #ff9012;
    font-weight: bold;
}