@media (min-width: 481px) {
    .footer .bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .footer .bottom .nav {
        max-width: 45%;
        flex-direction: row;
    }
    .footer .bottom .identifier {
        padding-right: 5%;
        text-align: right;
    }
}
@media (min-width: 768px) {
    html {
        font-size: 14px;
    }
    .footer .copyright {
        padding: 20px 0 30px;
        text-align: center;
        font-size: 13px;
    }
}
@media (min-width: 1025px) {
    .header {
        padding: 0 20px;
    }
    .menu {
        gap: 25px;
    }
}
@media (min-width: 1921px) {
    .header {
        height: 70px;
        padding: 0 30px;
    }
    .menu {
        gap: 30px;
    }
}

@media (min-width: 481px) and (max-width: 767px) {
    .header {
        padding: 0 15px;
    }
    .menu {
        gap: 15px;
    }
    .menu .nav a {
        padding: 0 12px;
        font-size: 13px;
    }
    .footer .top {
        padding: 50px 20px;
    }
    .footer .top .title {
        font-size: 28px;
    }
    .footer .top .social {
        margin: 25px 0;
        gap: 22px;
    }
    .footer .top .social img {
        width: 34px;
    }
    .footer .top .subtitle {
        font-size: 12px;
    }
    .footer .bottom {
        padding: 15px 20px;
    }
    .footer .bottom .nav .group >div {
        font-size: 12px;
    }
    .footer .bottom .nav .group div:first-child {
        font-size: 15px;
    }
    .footer .bottom .identifier div {
        max-width: 200px;
    }

    .dropdown >* {
        font-size: 13px;
    }
    .dropdown img {
        height: 12px;
    }
    .dropdown .dropdown-btn {
        padding: 10px 12px;
    }
    .dropdown .dropdown-btn span {
        margin: 0 8px;
    }
    .dropdown .dropdown-item {
        padding: 9px 0;
    }
}
@media (min-width: 768px) and (max-width: 1024px) {
    .header {
        padding: 0 20px;
    }
    .menu {
        gap: 20px;
    }
    .menu .nav a {
        padding: 0 15px;
        font-size: 14px;
    }
    .footer .top {
        padding: 60px 20px;
    }
    .footer .top .title {
        font-size: 32px;
    }
    .footer .top .social {
        margin: 26px 0;
        gap: 24px;
    }
    .footer .top .social img {
        width: 36px;
    }
    .footer .top .subtitle {
        font-size: 13px;
    }
    .footer .bottom .nav .group >div {
        font-size: 13px;
    }
    .footer .bottom .nav .group div:first-child {
        font-size: 16px;
    }

    .dropdown >*{
        font-size: 14px;
    }
    .dropdown img {
        height: 14px;
    }
    .dropdown .dropdown-btn {
        padding: 12px 15px;
    }
    .dropdown .dropdown-btn span {
        margin: 0 10px;
    }
    .dropdown .dropdown-item {
        padding: 10px 0;
    }
}
@media (min-width: 1025px) and (max-width: 1280px) {
    .menu .nav a {
        padding: 0 15px;
        font-size: 15px;
    }
    .footer .top {
        padding: 70px 25px;
    }
    .footer .top .title {
        font-size: 36px;
    }
    .footer .top .social {
        margin: 27px 0;
        gap: 26px;
    }
    .footer .top .social img {
        width: 38px;
    }
    .footer .top .subtitle {
        font-size: 14px;
    }
    .footer .bottom .nav .group >div {
        font-size: 14px;
    }
    .footer .bottom .nav .group div:first-child {
        font-size: 17px;
    }
    .dropdown >*{
        font-size: 15px;
    }
    .dropdown img {
        height: 15px;
    }
    .dropdown .dropdown-btn {
        padding: 13px 16px;
    }
    .dropdown .dropdown-btn span {
        margin: 0 12px;
    }
    .dropdown .dropdown-item {
        padding: 11px 0;
    }
}
@media (min-width: 1281px) and (max-width: 1920px) {
    .menu .nav a {
        padding: 0 15px;
        font-size: 16px;
    }
    .footer .top {
        padding: 90px 30px;
    }
    .footer .top .title {
        font-size: 40px;
    }
    .footer .top .social {
        margin: 30px 0;
        gap:30px;
    }
    .footer .top .social img {
        width: 44px;
    }
    .footer .top .subtitle {
        font-size: 15px;
    }
    .footer .bottom .nav .group >div {
        font-size: 15px;
    }
    .footer .bottom .nav .group div:first-child {
        font-size: 18px;
    }
    .dropdown >* {
        font-size: 16px;
    }
    .dropdown img {
        height: 16px;
    }
    .dropdown .dropdown-btn {
        padding: 14px 17px;
    }
    .dropdown .dropdown-btn span {
        margin: 0 14px;
    }
    .dropdown .dropdown-item {
        padding: 12px 0;
    }
}
@media (min-width: 1921px) {
    .menu .nav a {
        padding: 0 17px;
        font-size: 18px;
    }
    .footer .top {
        padding: 120px 40px;
    }
    .footer .top .title {
        font-size: 48px;
    }
    .footer .top .social {
        margin: 36px 0;
        gap: 36px;
    }
    .footer .top .social img {
        width: 48px;
    }
    .footer .top .subtitle {
        font-size: 16px;
    }
    .footer .bottom .nav .group >div {
        font-size: 16px;
    }
    .footer .bottom .nav .group div:first-child {
        font-size: 20px;
    }
    .dropdown >*{
        font-size: 18px;
    }
    .dropdown img {
        height: 18px;
    }
    .dropdown .dropdown-btn {
        padding: 15px 20px;
    }
    .dropdown .dropdown-btn span {
        margin: 0 15px;
    }
    .dropdown .dropdown-item {
        padding: 13px 0;
    }
}