@media screen and (max-width: 768px) {
    body{
        font-size: 16px;
        line-height: 1.5;
    }
    .header{
        height: 72px;
        background-color: #fff;
    }
    .header-container{
        display: none;
    }
    .header-container2{
        position: relative;
    }
    .header-content{
        position: absolute;
        width: 94%;
        right: 3%;
        height: 72px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .logo-container{
        height: 72px;
        width: 240px;
        margin-left: 10px;
    }
    .logo-container a{
        display: block;
        margin-top: 16px;
    }
    .logo-container a img{
        width: 240px;
        height: 40px;
    }
    .nav-container img{
        width: 35px;
        height: 35px;
        cursor: pointer;

    }
    .active{
        display: none;
    }
    .menu-container{
        z-index: 1000;
        width: 100%;
        top: 72px;
        height: 0px;
        overflow: hidden;
        position: absolute;
        background-color: #fff;
        transition: all 500ms linear;
        padding: 0 30px;
    }
    .menu-item{
        height: 68px;
        overflow: hidden;
        border-bottom: 1px solid rgb(158, 150, 150);
        font-weight: bold;
        transition: all 100ms linear;

    }

    .menu-title{
        display: flex;
        height: 68px;
        padding-bottom: 20px;
        justify-content: space-between;
        align-items: center;
        margin: 10px 0 0px;
        padding-bottom: 10px ;
        position: relative;
    }
    .nav-link{
        display: flex;
        justify-content: space-around;
        align-items: center;
    }
    .icon{
        margin: 21px 5px;
        width: 25px;
        height: 25px;
        display: inline-block;
    }

    .expand-sub{
        cursor: pointer;
        display: block;
        width: 60px;
        height: 55px;
        color: #fff;
        position: absolute;
        right:30px;
        top: 13px
    }
    .expand-sub::after{
        content: "";
        display: block;
        border: solid #002b45;
        border-width: 0 2px 2px 0;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
        padding: 5px;
        pointer-events: none;
        position: absolute;
        top: 17px;
        left: 25px;
        -webkit-transition: all .15s ease-in-out;
        transition: all .15s ease-in-out;
        
    }
     .expand-sub--open::after {
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
        border-color: #0260a9;
    }
    .dropdown-container{
        padding-bottom: 20px;
    }
    .dropdown-item{
        height: 27px;
        line-height: 27px;
        margin-bottom: 8px;
    }
    .dropdown-item a{
        font-size: 16px;
        font-weight: normal;
    }
    .title{
        width: 100%;
        height: 116px;
        padding: 10px 0 10px;
        margin-bottom: 30px;
        background-color: #eff1f2;
    }
    .title-container{
        width: 94%;
        height: 100%;
        margin: 0 auto;
    }
     h2{
        color: #002b45;
        font-family: Isomer Semi Condensed Bold, sans-serif;
        font-weight: 600;
        font-size: 23px;
        line-height: 2;
    }
    h3{
        color: #002b45;
        line-height: 1.2;
        font-weight: 600;
        font-size: 20px;
        margin: 20px 0;
    }
    h4{
        color: #002b45;
        line-height: 1.2;
        font-weight: 600;
        font-size: 18px;
    }
    .title-container div{
        font-size: 16px;
        line-height: 1.5;
    }
    .item-container{
        width: 100%;
        margin: 30px auto 30px;
    }
    .text-container{
        width: 92%;
        margin: 0 auto 30px;
        font-size: 16px;
        line-height: 1.5;
    }
    .item-img{
        width: 100%;
        height: auto;
        margin: 40px 0;
        text-align: center;
    }
    
    .to-top{
        width: 50px;
        height: 50px;
        display: none;
        cursor: pointer;
        background-color: #002b45;
        position: fixed;
        bottom: 20px;
        right: 10px;
    }
    .to-top div{
        width: 50px;
        height: 50px;
        cursor: pointer;
        background-color: #002b45;

        color: #fff;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .to-top img{
        width:15px;
        height: 15px;

    }
    .footer{
        width: 94%;
        margin: 50px 3% 0;
        color: #002b45;

    }
    .footer-nav{
        margin: 0 auto 20px;

    }
    .footer-nav-container{
        width: 100%;
        border-bottom: 1px solid #000;
    }
    .footer-nav-item{
        width: 100%;

    }
    .footer-nav-item ul{
        width: 100%;
    }
    .footer-nav-item ul li{
        display: block;
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        margin: 15px 0;
    }
    .footer-title a{
        font-size: 16px;
        font-weight: bold;
    }
    .footer-nav-item ul li a:hover{
        text-decoration: underline;
    }
    .footer-contact-container{
        padding: 30px 50px 20px 0;
        border-bottom: 1px solid #000;

    }
    .h5{
        display: none !important;
    }
    .footer-contact-container a:hover{
        text-decoration: underline;
    }

    .footer-location{
        font-size: 16px;
        font-weight: bold;
        margin-bottom: 20px;
    }
    .footer-email{
        font-size: 16px;
        font-weight: bold;
        margin: 20px 0 10px;
    }

    .copyright-container{
        margin: 0 auto;
    }
    .copyright-text{
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .copyright{
        padding-top: 10px;
        font-size: 14px;
        line-height: 20px;
        padding-bottom: 20px;
    }
}
@media screen and (min-width: 768px) and (max-width: 1200px) {
    body{
        font-size: 18px;
        line-height: 1.5;
    }
    .header{
        height: 72px;
    }
    .header-container{
        display: none;
    }
    .header-container2{
        position: relative;
    }
    .header-content{
        position: absolute;
        width: 94%;
        right: 3%;
        height: 72px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .logo-container{
        height: 72px;
        width: 240px;
        margin-left: 10px;
    }
    .logo-container a{
        display: block;
        margin-top: 16px;
    }
    .logo-container a img{
        width: 240px;
        height: 40px;
    }
    .nav-container img{
        width: 35px;
        height: 35px;
        cursor: pointer;

    }
    .active{
        display: none;
    }
    .menu-container{
        z-index: 1000;
        width: 100%;
        top: 72px;
        height: 0px;
        overflow: hidden;
        position: absolute;
        background-color: #fff;
        transition: all 800ms linear;
        padding: 0 30px;
    }
    .menu-item{
        height: 68px;
        overflow: hidden;
        border-bottom: 1px solid rgb(158, 150, 150);
        font-weight: bold;
        transition: all 100ms linear;

    }

    .menu-title{
        display: flex;
        height: 68px;
        padding-bottom: 20px;
        justify-content: space-between;
        align-items: center;
        margin: 10px 0 0px;
        padding-bottom: 10px ;
        position: relative;
    }
    .nav-link{
        display: flex;
        justify-content: space-around;
        align-items: center;
    }
    .icon{
        margin: 21px 5px;
        width: 25px;
        height: 25px;
        display: inline-block;
    }

    .expand-sub{
        cursor: pointer;
        display: block;
        width: 60px;
        height: 55px;
        color: #fff;
        position: absolute;
        right:30px;
        top: 13px
    }
    .expand-sub::after{
        content: "";
        display: block;
        border: solid #002b45;
        border-width: 0 2px 2px 0;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
        padding: 5px;
        pointer-events: none;
        position: absolute;
        top: 17px;
        left: 25px;
        -webkit-transition: all .15s ease-in-out;
        transition: all .15s ease-in-out;
        
    }
     .expand-sub--open::after {
        -webkit-transform: rotate(45deg);
        transform: rotate(45deg);
        border-color: #0260a9;
    }
    .dropdown-container{
        padding-bottom: 20px;
    }
    .dropdown-item{
        height: 27px;
        line-height: 27px;
        margin-bottom: 8px;
    }
    .dropdown-item a{
        font-size: 16px;
        font-weight: normal;
    }
    .title{
        width: 100%;
        height: 122px;
        padding: 15px 0 15px;
        margin-bottom: 30px;
        background-color: #eff1f2;
    }
    .title-container{
        width: 94%;
        height: 100%;
        margin: 0 auto;
    }
     h2{
        color: #002b45;
        font-family: Isomer Semi Condensed Bold, sans-serif;
        font-weight: 600;
        font-size: 23px;
        line-height: 2;
    }
    h3{
        color: #002b45;
        line-height: 1.2;
        font-weight: 600;
        font-size: 20px;
        margin: 20px 0;
    }
    h4{
        color: #002b45;
        line-height: 1.2;
        font-weight: 600;
        font-size: 18px;
    }
    .title-container div{
        font-size: 18px;
        line-height: 1.5;
    }
    .item-container{
        width: 90%;
        margin: 30px auto 30px;
    }
    .text-container{
        width: 700px;
        margin: 0 auto 30px;
        font-size: 18px;
        line-height: 1.5;
    }
    .item-img{
        width: 100%;
        height: auto;
        margin: 40px 0;
        text-align: center;
    }
    
    .to-top{
        width: 55px;
        height: 55px;
        display: none;
        cursor: pointer;
        background-color: #002b45;
        position: fixed;
        bottom: 50px;
        right: 50px;
    }
    .to-top div{
        width: 55px;
        height: 55px;
        cursor: pointer;
        background-color: #002b45;

        color: #fff;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .to-top img{
        width:15px;
        height: 15px;

    }
    .footer{
        width: 94%;
        margin: 50px 3% 0;
        color: #002b45;

    }
    .footer-nav{
        margin: 0 auto 20px;

    }
    .footer-nav-container{
        width: 100%;
        border-bottom: 1px solid #000;
    }
    .address:hover{
        text-decoration: underline;
        cursor: pointer;

    }
    .footer-nav-item{
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
    .footer-nav-item ul{
        width: 19%;
    }
    .footer-nav-item ul li{
        display: block;
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        margin: 15px 0;
    }
    .footer-title a{
        font-size: 16px;
        font-weight: bold;
    }
    .footer-nav-item ul li a:hover{
        text-decoration: underline;
    }
    .footer-contact-container{
        padding: 30px 50px 20px 0;
        border-bottom: 1px solid #000;

    }
    .footer-contact-container a:hover{
        text-decoration: underline;
    }

    .footer-location{
        font-size: 16px;
        font-weight: bold;
        margin-bottom: 20px;
    }
    .footer-email{
        font-size: 16px;
        font-weight: bold;
        margin: 20px 0 10px;
    }

    .copyright-container{
        margin: 0 auto;
    }
    .copyright-text{
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .copyright{
        padding-top: 10px;
        font-size: 14px;
        line-height: 20px;
        padding-bottom: 20px;
    }
}
@media screen and (min-width: 1200px) {
    body{
        font-size: 18px;
        line-height: 1.5;
    }
    .header{
        height: 72px;
        z-index: 100;
    }
    .header-container{
        position: absolute;
        width: 90%;
        right: 0px;
        min-width: 1200px;
        height: 72px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .header-container2{
        display: none;
    }
    .logo-container{
        height: 72px;
        width: 300px;
        margin-left: 10px;
    }
    .logo-container a{
        display: block;
        margin-top: 16px;
    }
    .logo-container a img{
        width: 300px;
        height: 40px;
    }
    .nav-container{
        flex: 1;
        display: flex;
        flex-direction: row-reverse;
        position: relative;
    }
    .nav-list{
        position: relative;
        display: flex;
        justify-content:center;
        margin-right: 100px;
    }
    .nav-item{
        position: relative;
        height: 72px;
    }
    .nav-link{
        display: block;
        height: 72px;
        line-height: 72px;
        padding: 0 20px;
        color: #fff;
    }
    .nav-list>:last-child a{
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .icon{
        margin: 21px 5px;
        width: 25px;
        height: 25px;
        display: inline-block;
    }
    .nav-item:hover .nav-link{
        color: #ffc52c;
    }
    .nav-item:hover .dropdown-container{
        height: auto;
    }
    .mask::after{
        content: '';
        position: fixed;
        top: 72px;
        left: 0px;
        width: 100%;
        height: 100%;
        background-color: rgba(0,0,0,0.5);
        z-index: 9;
    }
    .dropdown-container{
        position: absolute;
        top: 72px;
        left: 0px;
        width: 170px;
        height: 0px;
        overflow: hidden;
        z-index:99;
        background-color: #fff;
        transition: height .5s ease-in-out;
    }

    .dropdown-list{
        padding: 15px 0px 0 15px;

    }
    .dropdown-item{
        margin-bottom: 10px;
        height: 24px;
        line-height: 24px;
    }
    .dropdown-item a{
        color:#000;
        font-size: 16px;
        width: 100%;
    }
    .dropdown-item:hover{
        text-decoration: underline;

    }

    .title{
        width: 100%;
        height: 172px;
        padding: 45px 0 45px;
        margin-bottom: 30px;
        background-color: #eff1f2;
    }
    .title-container{
        width: 76%;
        height: 100%;
        margin: 0 auto;
    }
     h2{
        color: #002b45;
        font-family: Isomer Semi Condensed Bold, sans-serif;
        font-weight: 600;
        font-size: 23px;
        line-height: 2;
    }
    h3{
        color: #002b45;
        line-height: 1.2;
        font-weight: 600;
        font-size: 20px;
        margin: 20px 0;
    }
    h4{
        color: #002b45;
        line-height: 1.2;
        font-weight: 600;
        font-size: 18px;
    }
    .title-container div{
        font-size: 18px;
        line-height: 1.5;
    }
    .item-container{
        width: 76%;
        margin: 30px auto 30px;
    }
    .text-container{
        width: 700px;
        margin: 0 auto 30px;
        font-size: 18px;
        line-height: 1.5;
    }
    .item-img{
        width: 100%;
        height: auto;
        margin: 40px 0;
        text-align: center;
    }
    
    .to-top{
        width: 55px;
        height: 55px;
        display: none;
        cursor: pointer;
        background-color: #002b45;
        position: fixed;
        bottom: 50px;
        right: 50px;
    }
    .to-top div{
        width: 55px;
        height: 55px;
        cursor: pointer;
        background-color: #002b45;

        color: #fff;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .to-top img{
        width:15px;
        height: 15px;

    }
    .footer{
        width: 76%;
        margin: 50px auto 0;
        color: #002b45;

    }
    .footer-nav{
        margin: 0 auto 50px;
        display: flex;
        justify-content: space-between;
    }
    .footer-nav-container{
        width: 65%;
        padding-right: 20px;
        border-right: 1px solid #000;
    }
    .footer-nav-item{
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
    .footer-nav-item ul{
        width: 19%;
    }
    .footer-nav-item ul li{
        display: block;
        width: 100%;
        font-size: 14px;
        line-height: 20px;
        margin: 15px 0;
    }
    .footer-title a{
        font-size: 16px;
        font-weight: bold;
    }
    .footer-nav-item ul li a:hover{
        text-decoration: underline;
    }
    .footer-contact-container{
        flex: 1;
        padding: 15px 50px 50px;
    }
    .address:hover{
        text-decoration: underline;
        cursor: pointer;

    }
    .footer-contact-container a:hover{
        text-decoration: underline;
    }

    .footer-location{
        font-size: 16px;
        font-weight: bold;
        margin-bottom: 20px;
    }
    .footer-email{
        font-size: 16px;
        font-weight: bold;
        margin: 20px 0 10px;
    }

    .copyright-container{
        margin: 0 auto;
    }
    .copyright-text{
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 10px;
    }
    .copyright{
        padding-top: 10px;
        font-size: 14px;
        line-height: 20px;
        border-top: 1px solid #000;
        padding-bottom: 20px;

    }
}
.header{
    width: 100%;
    position: relative;
    background-color: #002b45;

}