* {
    margin: 0;
    padding: 0;
}


.footer_box {
    width: 100%;
    background: #F9FAFB;
    padding-top: calc(26px + 5rem);
    padding-bottom: calc(19px + 3rem);
    border-bottom: 1px #D8D8D8 solid;
}

.footer_box .footer {
    max-width: 1640px;
    width: 90%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    gap: calc(97px + 5rem);
}

.footer_left {
    width: 28.0488%;
}

.footer_logo .logo1 {
    width: calc(49px + 20rem);
}

.footer_logo .logo2 {
    width: calc(33px + 5rem);
    margin-top: calc(9px + 1rem);
}

.footer_mail {
    width: 100%;
    border-bottom: 1px solid #999999;
    padding-bottom: calc(2px + 0.5rem);
    margin-top: calc(3px + 4rem);
}

.footer_mail label {
    display: none;
}

.footer_mail .form-horizontal {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer_mail .form-horizontal input {
    background-color: transparent;
    border: none;
    outline: medium;
    font-family: Source Han Sans, Source Han Sans;
    ;
    font-weight: 300;
    font-size: calc(4px + 0.5rem);
    color: #666666;
}

.footer_mail img {
    width: calc(8px + 0.5rem);
}

.footer_right {
    flex: 1;
    display: flex;
    justify-content: flex-start;
    gap: calc(100px + 5rem);

}

.footer_right_nav .p1 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 350;
    font-size: calc(4px + 1rem);
    color: #152A3F;
    line-height: calc(5px + 1.5rem);
    margin-bottom: calc(1px + 1.5rem);
}

.footer_right_nav_item {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: calc(5px + 5rem);
    row-gap: calc(8px + 1rem);
}

.footer_right_nav_item .p2 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 350;
    font-size: calc(6px + 0.5rem);
    color: #666666;
    line-height: calc(3px + 1rem);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: calc(7px + 0.5rem);

}

.footer_right_nav_item .p2 img {
    width: calc(8px + 0.5rem);
}

.copyright_box {
    width: 100%;
    border-top: 1px #D8D8D8 solid;
    padding: calc(10px + 1.5rem) 0;
    background-color: #F9FAFB;
}

.copyright {
    max-width: 1740px;
    width: 90%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright .p1 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 350;
    font-size: calc(4px + 0.5rem);
    color: #999999;
    line-height: calc(10px + 0.5rem);
}

.footer_link_box {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: calc(10px + 0.5rem);
}

.footer_link_item {
    width: calc(2px + 2rem);
    height: calc(2px + 2rem);
    border-radius: 50%;
    background: rgba(216, 216, 216, 0.3);
}

.copyright_box {
    width: 100%;
    padding: calc(8px + 1rem) 0;
}

.copyright {
    max-width: 1640px;
    width: 90%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright .p1 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 350;
    font-size: calc(4px + 0.5rem);
    color: #999999;
    line-height: calc(10px + 0.5rem);
}

.footer_link {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: calc(10px + 0.5rem);
}

.footer_link_item {
    width: calc(2px + 2rem);
    height: calc(2px + 2rem);
    background: rgba(216, 216, 216, 0.3);
    border-radius: 50%;
    transition: .3s;
}

.footer_link_item a {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer_link_item a img {
    height: calc(4px + 0.5rem);
}

.footer_link_item:hover {
    background-color: #0054AC;
}

@media screen and (max-width: 1100px) {
    .footer_box .footer {
        flex-direction: column;
        justify-content: flex-start;
        gap: calc(10px + 1rem);
    }

    .footer_left {
        width: 100%;
    }

    .footer_logo {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .footer_logo .logo1 {
        width: 92%;
    }

    .footer_logo .logo2 {
        width: calc(33px + 13rem);
        margin-top: 0;
    }

    .footer_mail .form-horizontal input {
        font-size: calc(10px + 1rem);
        line-height: 1.5;
    }

    .footer_mail {

        padding-bottom: calc(5px + 0.5rem);

    }

    .footer_mail img {
        width: calc(12px + 0.5rem);
    }

    .footer_right {
        flex-direction: column;
        justify-content: flex-start;
        gap: calc(10px + 3rem);
    }

    .footer_right_nav {
        width: 100% !important;
    }

    .footer_right_nav .p1 {
        font-size: calc(14px + 1rem);
        line-height: 1.5;
    }

    .footer_right_nav_item .p2 {
        font-size: calc(10px + 1rem);
        line-height: 1.5;
    }

    .copyright {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: calc(10px + 1rem);
    }

    .copyright .p1 {
        font-size: calc(10px + 1rem);
    }

    .footer_link_item {
        width: calc(20px + 2rem);
        height: calc(20px + 2rem);

    }

    .footer_link_item a img {
        height: calc(10px + 0.5rem);
    }
}