@charset "utf-8";

/**响应式模板**/
@media only screen and (max-width: 1039px) {
    /**（默认）导航**/
    #header .common {
        min-width: 100%;
    }
    .service_main {
        width: 100%;
    }

    .b_main{
        width: 100%;
    }
    ul.flipmenu li:nth-child(4) .flipmenu_box{
        width: 140px;
    }
     #header .common .navs ul li a{
        font-size: 28px;
        line-height: 48px;
    }
    .nav_main ul li h2 a,.nav_main ul li h2 a em{
        font-size: 36px;
        line-height: 48px;
    }
    ul.flipmenu li:nth-child(4) .flipmenu_box a{
        margin-left: 0;
        left: 0!important;
    }
    .flipmenu_box{
        height: 40px;
    }
    #header .common .navs{
        padding-top: 24px;
        padding-right: 12px;
    }
    .service_main .txt01{
        display: none;
    }
    .ser_02 h2{
        font-size: 36px;
        line-height: 48px;
    }
    .ser_02 ul li{
        width: 30vw;
    }
    .ser_04 ul li h4{
        font-weight: 400;
        font-size: 24px;
        line-height: 48px;
    }
        .nav_main ul {
        display: flex;
        flex-direction: column;
    }
    .nav_main h1{
        display: none;
    }
    .nav_main ul{
        display: flex;
        flex-direction: column;
    }
    .nav_main ul li{
        width: 200px!important;
        margin-bottom: 48px;
    }
    .nav_main{
        left: 10%!important;
    }
}

@media only screen and (max-width: 1200px) {
    /**（全屏）导航*/
    .nav_main {
        left: 50%;
        margin-left: -400px;
        top : 40%;
        margin-top: -250px;
    }

    .nav_main ul li {
        width: 20%;
    }
}

@media only screen and (max-height: 768px){
    /**（全屏）导航*/
    .nav_main {
        left: 50%;
        margin-left: -400px;
        top : 0;
        margin-top: 60px;
    }
}