.c-topAppBanner {
    color: #000;
    width: 92%;
    max-width: 420px;
    position: sticky;
    padding-bottom: 2rem;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    font-weight: bold;
    font-family: sans-serif;
    z-index:11;
}

.c-topAppBanner a{
    display: grid;
    grid-template-columns: 20% auto 1fr;
    border: 1px solid #000;
    border-radius: 1rem;
    background: #C10013;
    box-shadow: 0 .2rem .4rem 0.1rem rgba(0,0,0,.2);
    gap: 1rem;
    color: #fff;
    font-size: 2rem;
    overflow: hidden;
}

@media (max-width: 480px) {
    .c-topAppBanner a {
        font-size: 1.6rem;
    }
}

@media (max-width: 374px) {
    .c-topAppBanner a {
        font-size: 1.6rem;
    }
}

.c-topAppBanner__icon {
    background: #fff;
    display: flex;
    align-items: center;
    padding:0.5rem 1rem;
}

.c-topAppBanner__body {
    display: flex;
    justify-content: center;
    flex-direction: column;
    line-height:1.3;
}

.c-topAppBanner__body .small {
    font-size: 0.6em;
    margin-top: 0.2rem;
}


.c-topAppBanner__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-right: 0.5rem;
}

.c-topAppBanner__btn span {
    width: 100%;
    font-size: 0.8em;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: #000;
    gap: 0.5rem;
    border-radius: 2rem;
    padding: 0.2rem 0.5rem;
    transition: all 0.3s ease;
}

.c-topAppBanner__btn span:after {
    content: "";
    width: 0.6em;
    height: 0.6em;
    border-top: 2px solid #000;
    border-right: 2px solid #000;
    transform: rotate(45deg);
    color: #000;
    transition: all 0.3s ease;
}

@media (max-width: 480px) {
    .backToTop {
        display: none!important;
    }
}
.c-topAppBanner a:hover .c-topAppBanner__btn span{
    background: #000;
    color: #fff;
}
.c-topAppBanner a:hover .c-topAppBanner__btn span:after {
    border-color: #fff;
}