@media (max-width: 991px) {
    .mobile-side{
        display: block;
        position: fixed;
        z-index: 300;
        right: -100%;
        transition: 0.3s;
        top: 0;
        height: 100vh;
        max-width: 280px;
        background: #073c79;
        width: 100%;
        padding-top: 40px;
    }
    .open-menu .mobile-side{
        right: 0;
    }
    .mobile-side ul a{
        display: block;
        width: 100%;
        line-height: 48px;
        font-size: 15px;
        color: #fff;
        font-weight: 700;
        text-decoration: none;
        box-sizing: border-box;
        padding: 8px 15px;
        position: relative;
    }
    .mobile-side ul .sub-menu{
        display: none;
    }
    .mobile-side ul .open + .sub-menu{
        display: block;
    }
    .mobile-side ul .sub-menu a:after{
        display: none;
    }
    .mobile-side ul a:after{
        content: '';
        top: 40%;
        position: absolute;
        right: 20px;
        border: solid #fff;
        border-width: 0 3px 3px 0;
        height: 10px;
        width: 10px;
        display: inline-block;
        transform: rotate(45deg);
        -webkit-transform: rotate(45deg);
    }
    .mobile-side ul .sub-menu li{
        border-bottom: none;
    }
    .mobile-side ul li{
        display: block;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .header-nav{
        display: none;
    }

    .header-btn {
        display: flex;
        flex-flow: column;
        align-items: center;
        justify-content: space-between;
        width: 25px;
        height: 21px;
        position: relative;
        cursor: pointer;
    }

    .header-btn span {
        display: block;
        width: 100%;
        height: 3px;
        position: relative;
        background: #fff;
        transition: 0.3s;
        border-radius: 3px;
    }

    .open-menu .header-btn span:nth-child(2) {
        opacity: 0;
    }

    .open-menu .header-btn span:nth-child(3) {
        position: absolute;
        top: 8px;
        transform: rotate(-45deg);
    }

    .open-menu .header-btn span:nth-child(1) {
        position: absolute;
        top: 8px;
        transform: rotate(45deg);
    }


    .close-btn {
        display: flex;
        flex-flow: column;
        align-items: center;
        justify-content: space-between;
        width: 25px;
        height: 21px;
        margin-right: 24px;
        position: absolute;
        right: -9px;
        top: 20px;
        cursor: pointer;
    }

    .close-btn span {
        display: block;
        width: 100%;
        height: 3px;
        position: relative;
        background: #fff;
        transition: 0.3s;
        border-radius: 3px;
    }

    .open-menu .close-btn span:nth-child(2) {
        opacity: 0;
    }

    .open-menu .close-btn span:nth-child(3) {
        position: absolute;
        top: 8px;
        transform: rotate(-45deg);
    }

    .open-menu .close-btn span:nth-child(1) {
        position: absolute;
        top: 8px;
        transform: rotate(45deg);
    }
}


@media (max-width: 768px) {
    .top-cover h1:first-child{
        font-size: 26px;
    }
    .top-text .container{
        padding: 0;
    }
    .text-cover{
        padding: 30px 15px;
    }
}

@media (max-width: 590px) {
    .main-list-item{
        width: 100%;
    }
}