.main_content img {
    width: 100%;
}

/*导航栏颜色更换*/
.header {
    background: #322d46;
}
.header a{
    color:#fff!important;
}

.header2 {
    background: #322d46;
    border-bottom: 1px solid #322d46;
}
    .header2 a {
        color: #fff !important;
    }


.header_content_right > ul > li:hover {
    background: #615886 !important;
}
.header_arrow ul {
    background: #615886 !important;
}

.lang-fr .header_li1_active {
    background: #615886!important;
}
.lang-en .header_li1_active {
    background: #615886 !important;
}
.lang-de .header_li1_active {
    background: #615886 !important;
}
.lang-es .header_li1_active {
    background: #615886 !important;
}


/*两个返回按钮*/
.main_content {
    position: relative;
}

.return_btn_div {
    position: absolute;
}

    .return_btn_div a {
        display: block;
        height: 100%;
    }

.return_index {
    left: 36%;
    top: 39%;
    width: 12%;
    height: 7%;
}

.return_contact {
    left: 49%;
    top: 39%;
    width: 12%;
    height: 7%;
}

@media screen and (max-width:477px){
    .return_index {
        left: 10%;
        top: 77%;
        width: 37%;
        height: 5%;
    }

    .return_contact {
        left: 53%;
        top: 77%;
        width: 37%;
        height: 5%;
    }
}