@charset "utf-8";

/**响应式模板**/
@media only screen and (max-width: 999px) {
    /**（默认）导航**/
    #maincontent .left { left: 10%;}
    #maincontent .right{ right: 10%;}
}
@media only screen and (max-width: 1039px) {
    /**（默认）导航**/
    #header .common {
        min-width: 100%;
    }
}

@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;
    }
}