body {
    margin: 0;
    padding: 0;
    font-family: 'Montserrat';
}

@font-face {
    font-family: 'Montserrat';
    src: url('../fonts/Montserrat-Light.otf') format('truetype');
}

@font-face {
    font-family: 'FFScala-Bold';
    src: url('../fonts/FFScala-Bold.otf') format('truetype');
}

hr {
    border: none;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
}

.main_content {
    width: 1200px;
}

button {
    cursor: pointer;
}

.flex_center_box {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex_center_column_box {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

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

.flex_column {
    flex-direction: column;
}

header {
    width: 100%;
    height: 100px;
    background-color: #fff;
    z-index: 99;
    transition: 400ms;
    box-shadow: 0 5px 10px rgba(0, 0, 0, .1);
}


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

.header_content .header_ul {
    display: flex;
}

.header_content .header_ul a {
    display: block;
    padding: 20px 15px;
    color: #333;
    font-size: 16px;
}

.header_content .header_ul a:hover {
    color: #b9153a;
    transition: 400ms;
}

.container {
    height: 1000px;
}

footer {
    background-color: #000;
    color: #fff;
    padding: 50px 0;
    width: 100%;
}

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

.footer_nav {
    display: flex;
}


.footer_nav li a {
    color: #fff;
    font-size: 14px;
}

.footer_nav li a:hover {
    color: #b9153a;
    transition: 400ms;
}

.footer_nav p {
    font-size: 14px;
    margin-bottom: 0;
}

.footer_nav p a {
    color: #fff;
}

.footer_nav p a:hover {
    color: #589cbc;
}


.footer_nav li {
    display: inline-block;
    margin-right: 10px;
}

.footer_nav li:last-child {
    margin-right: 0;
}

.footer_nav li:not(:last-child)::after {
    content: "|";
    color: white;
    margin-left: 5px;
}

.footer_address,
.footer_copyright {
    display: block;
}

.footer_contact_info {
    width: 50%;
    display: flex;
    justify-content: flex-end;
    flex-direction: column;
    font-size: 14px;
}

.footer_copyright {
    margin-top: 5px;
    line-height: 22px;
}

.detail_banner h1 {
    color: #fff;
    font-size: 62px;
    font-weight: 700;
    font-family: 'FFScala-Bold';
}

.detail_banner p {
    color: #fff;
    margin-top: 10px;
    text-align: center;
    line-height: 1.5;
}

.hr_title {
    background-color: #b9153a;
    height: 5px;
    width: 42px;
    margin: 15px 0;
}

.title_index {
    font-size: 30px;
}

.detail_banner {
    height: 350px;
}

.contact_link {
    color: #b9153a;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background-color: #f9f9f9;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background-color: #bbb;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background-color: #999;
}

#phone_menu_icon {
    display: none;
}

.nav-menu {
    display: none;
}

.nav-menu.show {
    max-height: 650px;
}

.index_banner {
    height: 710px;
}

.index_banner h1 {
    color: #fff;
    font-size: 66px;
    font-weight: 700;
    font-family: 'FFScala-Bold';
}

@media (min-width: 1920px) and (max-width: 2559px) {
    .main_content {
        width: 1600px;
    }

    .index_banner {
        height: 775px;
    }

    .index_banner h1 {
        font-size: 68px;
    }

    .index_banner_text p {
        font-size: 24px;
        line-height: 32px;
    }

    .index_banner_text button {
        padding: 15px 30px;
    }

    .title_index {
        font-size: 34px;
    }

    .index_service h2 {
        font-size: 44px;
    }

    .header_content .header_ul a {
        font-size: 18px;
    }

    .detail_banner {
        height: 400px;
    }

    .detail_banner h1 {
        font-size: 66px;
    }

    .detail_banner p {
        font-size: 18px;
        margin-top: 15px;
    }
}

@media (min-width: 2560px) {
    .main_content {
        width: 2000px;
    }

    .index_banner {
        height: 875px;
    }

    .index_banner h1 {
        font-size: 78px;
    }

    .index_banner_text p {
        font-size: 28px;
        margin-top: 25px;
        line-height: 36px;
    }

    .index_banner_text button {
        padding: 18px 35px;
        margin-top: 40px;
        font-size: 18px;
    }

    .title_index {
        font-size: 38px;
    }

    .index_service h2 {
        font-size: 48px;
    }

    .header_content .header_ul a {
        font-size: 20px;
    }

    .detail_banner {
        height: 450px;
    }

    .detail_banner h1 {
        font-size: 72px;
    }

    .detail_banner p {
        font-size: 20px;
        margin-top: 20px;
    }
}

@media screen and (max-width: 767px) {
    .header_nav {
        display: none;
    }

    .phone_footer_box {
        flex-direction: column;
    }

    .footer_contact_info {
        width: 100%;
    }

    footer {
        padding: 15px;
        box-sizing: border-box;
    }

    .footer_copyright {
        margin-top: 0px;
        text-align: center;
        line-height: 24px;
    }

    .footer_nav {
        display: none;
    }

    .main_content {
        width: 100%;
    }

    .phone_column_box {
        flex-direction: column;
    }

    header {
        padding: 15px;
        box-sizing: border-box;
        height: 80px;
        position: fixed;
        top: 0;
        left: 0;
    }

    .logo {
        height: 25px;
    }

    #phone_menu_icon {
        display: block;
        width: 40px;
        height: 40px;
    }

    .nav-menu {
        width: 100%;
        position: fixed;
        top: 80px;
        display: flex;
        background: #f4f7f9;
        margin: 0;
        padding: 0;
        transition: max-height 0.2s ease-out;
        overflow: hidden;
        max-height: 0;
        z-index: 999;
        box-shadow: 0 5px 5px rgba(186, 186, 186, 0.25);
    }

    .nav-menu a {
        color: #454545;
        padding: 18px 20px;
        text-decoration: none;
        text-align: center;
        font-size: 18px;
        border-top: 1px solid #dddcdc;

    }

    .nav-menu ul {
        width: 100%;
        display: flex;
        flex-direction: column;
    }

    .detail_banner {
        margin-top: 80px;
        font-size: 0;
        height: 300px;
        padding: 15px;
        box-sizing: border-box;
    }

    .detail_banner p {
        font-size: 16px;
        line-height: 1.3;
    }

    .detail_banner h1 {
        font-size: 46px;
    }
}