* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

}



body {

    font-family:

        "Microsoft YaHei",
        Arial;


    background: white;

    color: #123b78;


}



.header {


    height: 75px;


    background: #fff;


    box-shadow:
        0 2px 10px rgba(0, 0, 0, .1);


    position: fixed;


    top: 0;


    width: 100%;


    z-index: 999;


}




.nav {


    height: 100%;


    max-width: 1200px;


    margin: auto;


    display: flex;


    align-items: center;


    justify-content: space-between;


    padding: 0 20px;


}





.brand {


    display: flex;


    align-items: center;


    gap: 15px;


    font-weight: bold;


    font-size: 18px;


}



.brand img {


    width: 55px;


    height: 55px;


    object-fit: cover;


    border-radius: 50%;


}




nav {


    display: flex;


    gap: 35px;


}



nav a {


    text-decoration: none;


    color: #123b78;


}



nav a:hover {


    color: #0066cc;


}



.menu {


    display: none;


    font-size: 28px;


}





/*
宣传页展示核心
*/


.poster {


    width: 100%;


    padding-top: 75px;


    display: flex;


    justify-content: center;


    background: #fff;


}



.poster img {


    width: 100%;


    height: auto;


    display: block;


    object-fit: contain;


}



/*
电脑高清显示
*/


@media(min-width:1400px) {


    .poster img {


        max-width: 1400px;


    }


}





/*
SEO文字
*/


.seo {


    max-width: 1000px;


    margin: 40px auto;


    padding: 20px;


    line-height: 2;


    color: #555;


}



.seo h1 {


    color: #123b78;


    margin-bottom: 15px;


}







/*
手机底部按钮
*/


.mobile-bar {


    display: none;


}






@media(max-width:768px) {



    .header {


        height: 65px;


    }



    .brand span {


        font-size: 14px;


    }



    .brand img {


        width: 45px;


        height: 45px;


    }




    nav {


        display: none;


    }




    .menu {


        display: block;


    }



    .poster {


        padding-top: 65px;


    }





    .seo {


        padding: 20px;


        font-size: 14px;


    }




    .mobile-bar {


        display: flex;


        position: fixed;


        bottom: 0;


        left: 0;


        width: 100%;


        height: 55px;


        background: #06398a;


        z-index: 999;


    }



    .mobile-bar a {


        flex: 1;


        display: flex;


        align-items: center;


        justify-content: center;


        color: white;


        text-decoration: none;


        border-right: 1px solid rgba(255, 255, 255, .3);


        font-size: 16px;


    }



}


.language {

    display: flex;

    gap: 8px;

}


.language button {


    border: 1px solid #06398a;


    background: white;


    color: #06398a;


    padding: 5px 12px;


    cursor: pointer;


    border-radius: 4px;


}



.language button:hover {


    background: #06398a;

    color: white;


}



@media(max-width:768px) {


    .language {


        margin-left: auto;

        margin-right: 15px;


    }



    .language button {


        font-size: 12px;


        padding: 4px 8px;


    }


}