.footer {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    max-width: 100%;
    width: 100%;
    margin-top: 12px;
    padding: 22px 0;
    background: #D7DDE4;
    font-size: 16px;
    line-height: 125%;
    position: relative;
    z-index: 777;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    max-width: 1920px;
    width: 100%;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

.footer .copyright {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    color: #687E97;
}

.footer .copyright span {
    display: flex;
}

#back-to-top {
    position: fixed;
    bottom: 5px;
    left: 20px;
    display: none;
    z-index: 999;
    background: #0068F5;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
    display: flex;
}
#back-to-top svg {
    width: 24px;
    height: 24px;
}
#back-to-top.show {
    display: flex;
    opacity: 1;
}
#back-to-top.hide {
    opacity: 0;
}

@media (max-width: 1024px) {
    .footer {
        margin-top: 16px;
        padding: 10px 0;
    }
    .footer .copyright {
        font-size: 14px;
        line-height: 20px;
    }
    .footer .copyright span {
        display: flex;
        width: 12px;
        height: 12px;
    }
    .footer .copyright svg {
        display: flex;
        width: 12px;
        height: 12px;
    }
}