body {
    margin: 0;
    padding: 0;
    font-family: "Arial", "Helvetica Neue", "Helvetica", "Source Han Sans CN", "Microsoft Yahei", "SimSun", sans-serif;
}

h1,
h2,
h3 {
    margin: 0;
}

p {
    margin: 15px 0;
    line-height: 1.5em;
}


.header_big_box{
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #fff; 
    z-index: 999;
}

.senction_header .nav a {
    font-family: Arial, "Helvetica Neue", Helvetica;
    font-size: 14px;
    color: #000;
    letter-spacing: 1px;
}


.senction_header {
    display: flex;
    justify-content: space-between;
    max-width: 1280px;
    margin: auto;
}

.senction_header .logo_img {
    width: 15%;
    padding: 10px 0;
}

.senction_header .nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 85%;
    list-style: none;
}

.senction_header .nav a {
    text-decoration: none;
    color: #000000;
}

.senction_header .nav a:hover {
    color: #0170b9;
}

.senction_header .moble_icons .close_icon {
    display: none;
}

.senction_header .moble_icons .normal_icon {
    display: none;
}

.senction_header .nav_mobile {
    display: none;
}




.section_one {
    padding: 50px 0 550px 0;
    background-color: #E7EAF1;
    background-image: url(../images/dazubg3.png);
    background-position: bottom center;
    background-size: cover;
    margin-top: 70px;
    
}



.section_one .section_one_contain {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    max-height: 800px;
    margin: auto;
    overflow: hidden;
}

.section_one .section_one_contain .one_left_contain {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    min-height: 300px;
}

.section_one .section_one_contain .one_left_contain .one_left_title h1 {
    font-size: 40px;
    margin: 0;
    text-align: center;
}

.section_one .section_one_contain .one_left_contain .one_left_desc{
    margin-top: 30px;
    text-align: center;
}

.section_one .section_one_contain .one_left_contain .one_left_desc p {
    font-size: 18px;
}

.section_one .section_one_contain .one_left_contain .one_left_desc a{
    text-decoration: none;
    padding: 10px 25px;
    background-color: #003680;
    border-radius: 5px;
    color: #fff;
}

.section_one .section_one_contain .one_right_contain {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-left: 10px;
    width: 60%;
    display: none;
}

.section_one .section_one_contain .one_right_contain .one_right_img{
    width: 100%;
    visibility: hidden;
}

.section_one .section_one_contain .one_right_contain .one_right_img img{
    width: 100%;
    object-fit: cover;
}

.section_two {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.section_two .section_two_contain {
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: auto;
}

.section_two .section_two_contain .two_contain_title h1 {
    font-size: 30px;
    text-align: center;
}

.section_two .section_two_contain .two_contain_desc p {
    font-size: 18px;
    text-align: center;
}

.two_contain_boxs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
}

.two_contain_boxs .two_box_item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 15px;
    padding: 20px 20px;
    background-color: #E7EAF1;
    border-radius: 10px;
    box-shadow: 0px 1px 5px 0px #ccc;
}

.two_contain_boxs .two_box_item .box_item_img img {
    margin: auto;
    border-radius: 50%;
    width: 100px;
    height: 100px;
}

.two_contain_boxs .two_box_item .box_item_desc p {
    font-size: 16px;
    text-align: center;
}

.two_contain_boxs .two_box_item .box_item_title h2 {
    font-size: 16px;
    text-align: center;
    margin-top: 15px;
}

.section_three {
    padding: 100px 0;
    background-color: #E7EAF1;
}

.section_three .section_three_contain {
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: auto;
}

.section_three .section_three_contain .three_contain_title h1 {
    font-size: 30px;
    text-align: center;
    margin-bottom: 20px;
}

.three_contain_boxs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
}

.three_contain_boxs .three_box_item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 15px;
    padding: 20px 20px;
    background-color: #f5f5f5;
    border-radius: 10px;
    box-shadow: 0px 1px 5px 0px #ccc;
    min-height: 500px;
}

.three_contain_boxs .three_box_item .box_item_img img {
    margin: auto;
    border-radius: 50%;
    width: 55px;
    height: 55px;
}

.three_contain_boxs .three_box_item .box_item_title h2 {
    font-size: 20px;
    text-align: center;
    height: 66px;
    display: flex;
    align-items: center;
}

.three_contain_boxs .three_box_item .box_item_desc{
    text-align: center;
    min-height: 330px;
}

.three_contain_boxs .three_box_item .box_item_desc p {
    font-size: 16px;
    text-align: center;
    margin-bottom: 10px;
}

.three_contain_boxs .three_box_item .box_item_icon a:hover svg path{
    fill: #003680;
}


.section_four {
    padding: 100px 0;
    background-color: #f5f5f5;
}

.section_four .section_four_contain {
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: auto;
}

.section_four .section_four_contain .four_contain_title h1 {
    font-size: 30px;
    text-align: center;
}

.section_four .section_four_contain .four_contain_desc p {
    font-size: 18px;
    text-align: center;
}

.four_contain_boxs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
}

.four_contain_boxs .four_box_item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 15px;
    padding: 20px 20px;
    background-color: #E7EAF1;
    border-radius: 10px;
    box-shadow: 0px 1px 5px 0px #ccc;
    min-height: 250px;
}

.four_contain_boxs .four_box_item .box_item_title h2 {
    font-size: 20px;
    text-align: center;
    height: 40px;
    display: flex;
    align-items: center;
}

.four_contain_boxs .four_box_item .box_item_desc p {
    font-size: 16px;
    text-align: left;
    min-height: 120px;
    font-family: "Arial";
}



.section_five {
    padding: 100px 0;
    background-color: #fff;
}

.section_five .section_five_contain {
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: auto;
}

.section_five .section_five_contain .five_contain_title h1 {
    font-size: 30px;
    text-align: center;
    margin-bottom: 20px;
}

.section_five .section_five_contain .five_contain_desc p {
    font-size: 18px;
    text-align: center;
}

.five_contain_boxs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    width: 100%;
}

.five_contain_boxs .five_box_item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 15px;
    background-color: #f5f5f5;
    box-shadow: 0px 1px 5px 0px #ccc;
    border-radius: 0 0 10px 10px;
}

.five_contain_boxs .five_box_item p{
    margin: 15px;
    font-size: 16px;
    margin-top: 0;
    min-height: 95px;
    font-family: Arial;
}

.five_contain_boxs .five_box_item .box_item_video {
    width: 100%;
}

.five_contain_boxs .five_box_item .box_item_title h2 {
    font-size: 20px;
    text-align: center;
    display: flex;
    align-items: center;
    padding: 20px 20px;
}

.section_six{
    background-color: #fff;
}

.section_six .six_contain {
    max-width: 1200px;
    margin: auto;
    text-align: center;
    padding-bottom: 100px;
    padding-top: 100px;
}

.section_six .six_contain .btn_contact {
    padding: 20px 40px;
    font-size: 25px;
    font-weight: bold;
    color: #f5f5f5;
    background-color: #003686;
    border-radius: 50px;
    text-decoration: none;
}

.section_six .six_contain .btn_contact:hover {
    background-color: #0586dd;
}


.section_footer {
    background-color: #f9fafc;
    padding-top: 60px;
}

.footer_copy_right {
    background-color: #f9fafc;
}

.section_footer .footer_main {
    max-width: 1200px;
    margin: auto;
    display: flex;
    align-items: flex-start;
}

.section_footer .footer_main a:hover {
    color: #000 !important;
}


.section_footer .footer_main .footer_nav {
    display: flex;
    align-items: flex-start;
}

.section_footer .footer_main .footer_nav dl {
    margin: 0;
}

.section_footer .footer_main .footer_nav dl dt {
    margin-bottom: 20px;
}

.section_footer .footer_main .footer_nav dl dt a {
    color: #000;
    font-size: 14px;
    text-decoration: none;
}

.section_footer .footer_main .footer_nav dl {
    margin-right: 40px;
}

.section_footer .footer_main .footer_nav dl dd {
    margin: 0;
    margin-bottom: 10px;
}

.section_footer .footer_main .footer_nav dl dd a {
    transition: color .3s linear;
    color: rgba(0, 0, 0, .5);
    text-decoration: none;
    font-size: 14px;
    font-family: Arial;
}

.section_footer .footer_main .footer_contact .footer_contact_title {
    font-size: 14px;
    font-weight: bold;
    color: #000;
    margin-bottom: 10px;
    font-family: "Montserrat-Medium";
}

.section_footer .footer_main .footer_contact .footer_contact_phone {
    font-size: 32px;
    font-weight: 400;
    color: #000;
    margin-bottom: 10px;
    font-family: "Montserrat-Medium";
}

.section_footer .footer_main .footer_contact .footer_email a {
    font-size: 16px;
    color: #000;
    text-decoration: none;
    font-family: "Montserrat-Medium";
}

.section_footer .footer_main .footer_contact .footer_social {
    margin-top: 10px;
}

.section_footer .footer_main .footer_contact .footer_social ul {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 10px 0;
}

.section_footer .footer_main .footer_contact .footer_social ul li {
    margin-right: 26px;
}

.section_footer .footer_main .footer_contact .footer_social ul li svg{
    width: 18px;
}

.section_footer .footer_main .footer_contact .footer_social ul li a:hover svg path {
    fill: rgba(0, 0, 0, .5);
}

.footer_copy_right {
    padding: 10px 0;
    padding-top: 200px;
    padding-bottom: 50px;
}

.footer_copy_right .copy_contain {
    max-width: 1200px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: start;
}

.footer_copy_right .copy_contain a{
    text-decoration: none;
}

.footer_copy_right .copy_contain .copy_right {
    font-size: 12px;
    color: rgba(0, 0, 0, .2);

}

.footer_copy_right .copy_contain .copy_right a {
    font-size: 12px;
    color: rgba(0, 0, 0, .2);
}

.footer_copy_right .copy_contain .ft-link {
    margin-left: 30px;
}


.footer_copy_right .copy_contain .ft-link span {
    font-size: 12px;
    color: rgba(0, 0, 0, .2);
}

.footer_copy_right .copy_contain .ft-link a {
    font-size: 12px;
    color: rgba(0, 0, 0, .2);
    margin-right: 20px;
}



.line_div{
    width: 85px;
    height: 3px;
    background-color: #003680;
    margin: auto;
}




@media (max-width:760px) {

    .footer_copy_right .copy_contain .copy_right{
        line-height: 1.5em;
         margin-bottom: 10px;
    }

    .footer_copy_right .copy_contain .ft-link a{
        margin-right: 10px;
    }

    .section_one {
        background-image: url(../images/mobile_dz_bg.png);
    }


    .senction_header .nav {
        display: none;
    }

    .senction_header .logo_img {
        margin-left: 20px;
    }

    .senction_header .logo_img img{
        height: 34px;
    }

    .senction_header .moble_icons .normal_icon {
        display: block;
    }

    .senction_header .moble_icons {
        display: flex;
        justify-content: center;
        align-items: center;
        margin-right: 20px;
    }

    .senction_header .moble_icons img {
        height: 20px;
    }
    .m-menu i {
        transition: all .3s linear;
        display: block;
        width: 22px;
        height: 2px;
        background-color: #000;
        margin: 5px 0;
    }

    .senction_header .nav_mobile {
        list-style: none;
        position: fixed;
        top: 45px;
        right: 0px;
        z-index: 999;
        background-color: rgb(255, 255, 255);
        width: 100%;
        height: 100%;
    }

    .senction_header .nav_mobile .nav_mobile_ul{
        list-style: none;
        padding: 120px 24px 24px 24px;

    }

    .senction_header .nav_mobile .nav_mobile_ul li{
        margin-bottom: 30px;
    }

    .senction_header .nav_mobile .nav_mobile_ul li a{
        font-size: 20px;
    }

    .senction_header .nav_mobile a {
        text-decoration: none;
        color: #000000;
        line-height: 30px;
    }

    .senction_header .nav_mobile a:hover {
        color: #0170b9;
    }


    .section_footer .footer_main .footer_nav {
        display: none;
    }

    .section_footer .footer_main .footer_contact {
        margin: 20px;
    }

    .footer_copy_right .copy_contain {
        display: block;
        text-align: center;
    }

    .footer_copy_right .copy_contain .ft-link {
        margin: 0;
    }


}

@media(max-width:760px) {
    .section_one {
        padding: 0px;
        min-height: 540px;
    }

    .section_one .section_one_contain {
        display: block;
        padding: 10px;
        max-height: unset;
    }

    .section_one .section_one_contain .one_left_contain{
        width: 100%;
    }

    .section_one .section_one_contain .one_left_contain .one_left_title h1 {
        font-size: 26px;
        font-weight: normal;
        font-family: Arial;
    }

    .section_one .section_one_contain .one_right_contain {
        margin: 20px 0 0 0;
        width: 100%;
    }

    .section_one .section_one_contain .one_right_contain .one_right_img {
        width: 100%;
    }

    .section_one .section_one_contain .one_right_contain .one_right_img img {
        width: 100%;
        object-fit: cover;
        height: 200px;
    }

    .section_two {
        padding: 50px 0;
    }

    .section_two .section_two_contain .two_contain_title {
        padding-left: 10px;
        padding-right: 10px;
    }

    .section_two .section_two_contain .two_contain_desc {
        padding-left: 10px;
        padding-right: 10px;
    }

    .section_two .two_contain_boxs {
        display: block;
        margin-top: 0;
    }

    .two_contain_boxs .two_box_item {
        margin-top: 20px;
    }

    .section_three {
        padding: 50px 0;
    }

    .section_three .section_three_contain .three_contain_title {
        padding-left: 10px;
        padding-right: 10px;
    }

    .section_three .section_three_contain .three_contain_boxs {
        display: block;
        margin: 0;
    }

    .three_contain_boxs .three_box_item {
        margin-top: 20px;

    }

    .section_four {
        padding: 50px 0;
    }

    .section_four .section_four_contain .four_contain_title {
        padding-left: 10px;
        padding-right: 10px;
    }

    .section_four .section_four_contain .four_contain_desc {
        padding-left: 10px;
        padding-right: 10px;
    }

    .section_four .section_four_contain .four_contain_boxs {
        display: block;
        margin-top: 0;
    }

    .section_four .section_four_contain .four_contain_boxs .four_box_item {
        margin-top: 20px;
    }

    .section_five {
        padding: 50px 0;
    }

    .section_five .five_contain_boxs {
        display: block;
        margin-top: 0;
    }

    .section_five .five_contain_boxs .five_box_item {
        margin: 20px 0 0 0;
    }

    .five_contain_boxs .five_box_item .box_item_video iframe {
        width: 100vw;
    }

    .footer_copy_right{
        padding-top: 10px;
    }

    .footer_copy_right .copy_contain{
        text-align: left;
        padding: 0;
        max-width: 312px;
        margin: 0 20px;
    }

    .section_footer .footer_main .footer_contact .footer_contact_phone{
        margin-bottom: 0;
    }
    .section_footer .footer_main .footer_contact .footer_contact_title{
        margin-bottom: 0;
    }


}


@media(min-width:960px) {

    .header-lang {
    position: relative;
    z-index: 1;
    padding-right: 0;
    display: flex;
    align-items: center;
    margin-left: 40px;
    }
    .header-lang::after {
    right: -20px;
    }
    .header-lang .icons {
    width: 20px;
    height: 20px;
    cursor: pointer;
    }
    .header-lang .icons img {
    width: 100%;
    height: 100%;
    color: #333;
    transition: all 0.4s;
    }
    .header-lang .skiptranslate {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
    }
    .header-lang .skiptranslate .goog-te-gadget-simple {
    width: 20px;
    opacity: 0;
    }
    .header-lang .skiptranslate .goog-te-gadget-simple span {
    display: none;
    }
    .header-lang .lang-ul {
    width: 120px;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    padding: 10px 3px 3px;
    display: none;
    }
    .header-lang .lang-ul::before {
    content: '';
    width: 100%;
    height: calc(100% - 7px);
    background: #fff;
    box-shadow: 0 0 0.1rem 0 rgba(0, 0, 0, 0.1);
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 1;
    }
    .header-lang .lang-ul a {
    width: 100%;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: inherit;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
    color: #000;
    }
    .header-lang .lang-ul a:last-child {
    border-bottom: none;
    }
    .header-lang:hover .lang-ul {
    display: block;
    }
}
@media (max-width:959px) {
    .header-lang{
        display: none;
    }
}