img{
    width:100%;
}
#nav {
    /* border-top: 1px solid #dddddd; */
    position: fixed;
    bottom: -1px;
    width: 100%;
    height:50px;
    background-color: #fff;
    font-size: 12px;
    text-align: center;
    display: flex;
    z-index: 999;
    padding-top: 5px;
    box-sizing: initial;
    padding-bottom: constant(safe-area-inset-bottom);
    padding-bottom: env(safe-area-inset-bottom);

}
#nav:before{
    content: '';
    position: absolute;
    width: 200%;
    height: 1px;
    top: 0;
    border-top: 1px solid #dddddd;
    -webkit-transform-origin: 0 0;
    transform-origin: 0 0;
    -webkit-transform: scale(.5,.5);
    transform: scale(.5,.5);
    -webkit-box-sizing: border-box;
    box-sizing: border-box

    }
@supports (bottom: env(safe-area-inset-bottom)) {
    #nav {
        /*height:3.66rem;*/
        padding-bottom: calc(env(safe-area-inset-bottom) - 10px);
    }
}

.nav_icon {
    /* width: 1.1rem;
    height: 1.1rem; */
    width: 24px !important;
    height: 24px !important;
    /* background-color: red; */
    position: relative;
}

#nav .home,
#nav .gouwuche,
#nav .person {
    width: 33%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}
.cate{
    width: 33%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: relative;
}
#nav .home a,
#nav .cate a,
#nav .gouwuche a,
#nav .person a{
    color:black;
    cursor: pointer;
    width: 100%;
    /* text-align: center; */
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
#nav .active a{
    color: #E52F17;
}
a:hover{
    text-decoration: none;
    outline:none;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    color:black;
}

#nav .gouwuche .cart-num{
    position: absolute;
    background: #E52F17;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: 50%;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    right: -9px;
    top: 0px;
    display: none;

}
#nav .gouwuche .cart-num img{
    width:13px;
    display: inline-block;
}
/* html{
  font-family: PingFangSC-Regular,"Helvetica Neue", Helvetica, STHeiTi, Arial, sans-serif;
  filter: grayscale(100%);
   -webkit-filter: grayscale(100%);
  -moz-filter: grayscale(100%);
} */