.menu_container{
    left: 0;
    top: 0;
    width: 100%;
    color: #fff;
    position: relative;
    z-index: 20;
}
.menu_container .menu_title{
    width: 100%;
    height: 0.98rem;
    background: #202629;
    position: fixed;
    left: 0;
    top: 0;
}
.menu_container .menu_title .menu_logo{
    float: left;
    margin: 0.13rem 0 0 0.28rem;
}
.menu_container .menu_title img{
    width: 1.59rem;
    height: 0.5rem;
}
.menu_container .menu_title .menu_attend{
    float: right;
    width: 1.4rem;
    height: 0.51rem;
    line-height: 0.51rem;
    text-align: center;
    font-size: 0.24rem;
    border: 3px #ffe537 solid;
    margin-top: 0.15rem;
    margin-right: 0.5rem;
}
.menu_container .menu_title .menu_switch{
    float: right;
    width: 0.44rem;
    height: 0.02rem;
    margin-right: 0.2rem;
    margin-top: 0.5rem;
    background: #fff;
    transition: 0.5s;

}
.menu_container .menu_title .menu_switch::after{
    content: "";
    display: block;
    height: 0.02rem;
    background: #fff;
    margin-top: 0.14rem;
    transition: 0.5s;
}
.menu_container .menu_title .menu_switch::before{
    content: "";
    display: block;
    height: 0.02rem;
    background: #fff;
    margin-top: -0.08rem;
    transition: 0.5s;
}
.menu_container .menu_title .menu_switch--expand{
    background-color: rgba(0, 0, 0, 0);
  
}
.menu_container .menu_title .menu_switch--expand::before{
    transform: rotate(45deg);
    margin-top: 0;
    background: #BC3129;
}
.menu_container .menu_title .menu_switch--expand::after{
    transform: rotate(-45deg);
    margin-top: -0.016rem;
    background: #BC3129;
}
.menu_container .menu_nav{
    position: fixed;
    right: 0;
    top: 0.98rem;
    width: 0;
    height: 0;
    opacity: 0;
    background-color: #202629;
    text-align: center;
    font-size: 0.3rem;
    transition: 0.5s;

}
.menu_container .menu_nav li{
    height: 1.36rem;
    line-height: 1.36rem;
    overflow: hidden;
}
.menu_container .menu_nav li a{
    color: inherit;
}
.menu_container .menu_nav.menu_nav--visible{
    opacity: 1;
    width: 100%;
    height: 100%;
}