html,
body {
    margin: 0;
    padding: 0;
    font-family: 'Microsoft JhengHei';
}

.nav {
    padding: 1.5rem 3.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav div a {
    font-size: 1.25rem;
    text-decoration: none;
    color: black;
    font-weight: bold;
}

.nav div a:nth-child(1) {
    margin-right: 30px
}

.kv img {
    width: 100%;
}

.cont {
    width: 100%;
}

.cont div {
    padding: 4rem 0;
}

.cont div p {
    max-width: 1080px;
    margin: 0 auto;
}

.cont div img {
    width: 100%;
}

.cont div:nth-child(even) {
    background: #F0F8FF;
}

footer {
    background: #1A2F6E;
    display: flex;
    color: white;
    align-items: center;
    justify-content: space-evenly;
    padding: 14px 0;
}

footer div {
    display: flex;
    align-items: center;
}

footer div img {
    margin-right: 14px
}

footer .footer_info {
    display: block;
}

footer .phone {
    display: none;
}

footer .phone a {
    text-decoration: underline;
    display: inline-block;
    color: #fff;
}

@media screen and (max-width: 1080px) {
    footer {
        flex-direction: column;
    }

    footer div {
        margin: 0.5rem auto;
    }
}

@media screen and (max-width: 768px) {
    .nav {
        padding: 1rem 1.5rem;
    }

    .cont div {
        padding: 1.5rem 0;
    }
}

@media screen and (max-width:576px) {
    footer {
        font-size: 20px;
    }

    footer .footer_info {
        display: none;
    }

    footer .phone {
        display: block;
    }

    footer .phone a {
        width: 50%;
    }

    footer .phone span:nth-child(1) {
        display: inline-block;
    }
}