.header{
    max-width: 1920px;
    margin: auto;
}
.item-nav:hover .sub-nav {
    display: block;

}
.item-nav-activity  .sub-nav-bg{
    color:#1357a0;
}
.item-nav .sub-nav-bg{
    color:#333333;
    transition: color 0.5s;
}
.item-nav:hover  .sub-nav-bg{
    color:#1357a0;
    transition: color 0.5s;
}
.item-nav .sub-nav-bg::before { 
    content: '';
    position: absolute;
    bottom: 15px;
    left: 8px;
    right: 8px;
    width: 0;
    height:3px;
    background-color:#fff; 
    -webkit-transform: scaleX(0);
    transform: scaleX(0); 
    transition: -webkit-transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1), -webkit-transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    
} 
.item-nav:hover  .sub-nav-bg::before {  
    width: calc(100% - 16px); 
    background-color:#1357a0;
    color:#1357a0;
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    transition: -webkit-transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1), -webkit-transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
    
}
 
.item-nav-activity  .sub-nav-bg::before {  
    width: calc(100% - 16px); 
    background-color:#1357a0; 
    -webkit-transform: scaleX(1)!important;
    transform: scaleX(1)!important; 
}
.item-nav-activity  .sub-nav-bg  {  
    color:#1357a0; 
}
 
@media (max-width: 767px) {
    /*#menu-toggle .icon,#menu-toggle .icon:before, #menu-toggle .icon:after{*/
    /*    height: 2px!important;*/
    /*    width: 18px!important;*/

    /*}*/
    /*#menu-toggle .icon{*/
    /*    top: 9px!important;*/
    /*    left: 1px!important;*/
    /*}*/
    /*#menu-toggle .icon:before{*/
    /*    top: -6px!important;*/
    /*}*/
    /* #menu-toggle .icon:after{*/
    /*    top: 6px!important;*/
    /* }*/
}

#menu-toggle summary {
        width: 20px;
        height: 20px;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }
    #menu-toggle .icon{width:18px;height:2px;background-color:white;border-radius:2px;position:absolute;top:9px;left:1px;-webkit-transition-duration:0.5s;transition-duration:0.5s;transiting-timing-function:swing;}
    #menu-toggle .icon:before, #menu-toggle .icon:after{width:18px;height:2px;background-color:white;border-radius:2px;content:"";position:absolute;left:0;-webkit-transition-duration:0.5s;transition-duration:0.5s;-webkit-transition-timing-function:swing;transition-timing-function:swing;}
    #menu-toggle .icon:before{top:-6px;}
    #menu-toggle .icon:after{top:6px;}
    #menu-toggle[open] .icon{width:0;}
    #menu-toggle[open] .icon:before{-webkit-transform:translateY(6px) rotate(45deg);-ms-transform:translateY(6px) rotate(45deg);transform:translateY(6px) rotate(45deg);}
    #menu-toggle[open] .icon:after{-webkit-transform:translateY(-6px) rotate(-45deg);-ms-transform:translateY(-6px) rotate(-45deg);transform:translateY(-6px) rotate(-45deg);}