.navi_btn {
    background:transparent url(../img/btn.png) no-repeat 0 0;
    display: block;
    width:35px;
    height: 35px;
    position: fixed;
    top:20px;
    right:20px;
    cursor: pointer;
    z-index: 200;
}
.peke {
    background-position: -35px 0;
}
.drawr {
    display: none;
    background-color: rgb(249, 241, 240);
    position: fixed;
    top: 0px;
    right:0;
    padding: 60px 10px 20px 20px;
    z-index: 100;
    height: 100vh;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.drawr .detail-btn{/* margin: 48px 8% 12px; */}

.drawr .banner img{width: 100%;margin: 0;}

@media screen and (max-width: 767px){
.drawr {
    width:80%;
}
}

@media screen and (min-width: 768px){
.drawr {
    width: 300px;
}
}

#menu li {
    width:260px;
}
#menu li a {
    color: #496f86;
    font-size: 14px;
    display: block;
    padding: 45px 20px 45px 10px;
    font-weight: 500;
}