*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    scrollbar-width: none;  
}
a{
    color: #000;

}
.container{
    width: 390px;
    margin: 0 auto;;
}
.banner img{
    width: 390px;
}
.common{
    margin-top: 20px;
    margin: 12px;
}
.nav{
    padding: 10px;
    border-radius: 8px; /* 添加8像素的圆角 */ 
    box-shadow: 0px 0px 14px  rgba(62, 79, 158, 0.12);
    margin-top: 16px;

}
.nav a{
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}
.nav span{
    color: #fa0a0a;
    font-size: 16px;
    font-weight: 900;
}