.menu {
    position: fixed;
    bottom: 0;
    z-index: 222;
    width: 100%;
    height: 1rem;
    margin-top: 0.34rem;
    background: #FFFFFF;
    border: 0.01rem solid #EEEEEE;
    display: flex;
    justify-content: center;
}

.menu .menu_nav {
    width: 33.3%;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.menu #frist {
    width: 100%;
    height: 0.46rem;
    background: url(../images/home.png) no-repeat center;
    background-size: .5rem .46rem;
}

.menu #three {
    width: 100%;
    height: 0.5rem;
    background: url(../images/user.png) no-repeat center;
    background-size: 0.44rem 0.5rem;
}

.menu .homecon {
    height: 0.28rem;
    font-size: 0.24rem;
    font-weight: 400;
    color: #B8B8B8;
    line-height: 0.28rem;
}

.menu #second {
    width: 100%;
    height: 1rem;
    background: url(../images/boock.png) no-repeat center;
    background-size: 0.88rem 1rem;
    margin-top: -0.3rem;
}

.blue1 #frist {
    background: url(../images/homeactive.png) no-repeat center top;
    background-size: .5rem .46rem;
}

.blue1 .homecon {
    color: #4078FF;
}

.blue2 #second {
    background: url(../images/bookactive.png) no-repeat center top;
    background-size: 0.88rem 1rem;
}

.blue2 .homecon {
    color: #4078FF;
}

.blue3 #three {
    background: url(../images/useractive.png) no-repeat center top;
    background-size: 0.44rem 0.5rem;
}

.blue3 .homecon {
    color: #4078FF;
}

body {
    padding-bottom: 1rem;
}