.bg {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    height: 4rem;
    background-color: #1d78fa;
}
.main {
    position: relative;
    z-index: 100;
}
.main h3 {
    padding: 1rem;
    text-align: center;
    color: #fff;
    font-size: .6rem;
}
.box {
    width: 90%;
    background-color: #fff;
    margin: 0 auto;
    padding: .4rem .3rem;
    border-radius: .2rem;
    box-shadow: 0 0 18px #fff;
}
    .box a {
        display: block;
        font-size: .45rem;
    }
    .price a {
        padding: .3rem;
        border-radius: .3rem;
        margin-bottom: .6rem;
        border: 1px solid #e4e4e4;
    }
    .price a.active {
        border: 1px solid #f96e2b;
    }
.id {
    border-bottom: 1px solid #e4e4e4;
    font-size: .45rem;
    padding-bottom: .3rem;
}
    .id input {
        border: none;
        outline: none;
        padding-left: .5rem;
        font-size: .45rem;
    }
    .click {
        border-radius: 1rem;
        color: #fff;
        text-align: center;
        padding:.2rem 0;
        margin-top: .5rem;
        background-color: #2079fb;
    }