/* 底部揽 */

.nav {
    position: fixed;
    bottom: 0;
    max-width: 10rem;
    /*padding: 0.1rem 0;*/
    /*padding-top: 0.15rem;*/
   /*background-color: #ff9900;*/
    line-height: 24px;
    font: 14px Helvetica Neue, Helvetica, PingFang SC, Tahoma, Arial, sans-serif;
    padding: 10px 0;
    padding-top: 10px;
}
.nav_ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

a.nav_li {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.nav_li img {
    width: 50%;
}
.nav_ul_l {
    width: 40%;
    display: flex;
}
.nav_ul_r {
    width: 40%;
    display: flex;
}
.sys_btn {
    width: 20%;
    position: absolute;
    left: 0%;
    right: 0;
    bottom:35px;
    margin: 0 auto;
}
p.nav_p {
    /*color: #9f8ac3;*/
    font-size: 14px;
}
.nav_p_on {
    ;
    /*color: #2d2575 !important;*/
}